amiro-os / kernel / patches / QEI-driver.patch @ 69b23c6c
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commit a23878ddb85bb8fd069f02042f15ad4be2a0d709
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Author: Marc Rothmann <mrothmann@techfak.uni-bielefeld.de>
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Date: Mon Sep 17 11:40:39 2018 +0200
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Added QEI driver to HAL. |
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diff --git a/os/hal/hal.mk b/os/hal/hal.mk
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index f177a3f..64d96d9 100644
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--- a/os/hal/hal.mk
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+++ b/os/hal/hal.mk
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@@ -41,6 +41,9 @@ endif
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ifneq ($(findstring HAL_USE_ICU TRUE,$(HALCONF)),) |
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HALSRC += $(CHIBIOS)/os/hal/src/hal_icu.c |
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endif |
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+ifneq ($(findstring HAL_USE_QEI TRUE,$(HALCONF)),)
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+HALSRC += $(CHIBIOS)/os/hal/src/hal_qei.c
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+endif
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ifneq ($(findstring HAL_USE_MAC TRUE,$(HALCONF)),) |
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HALSRC += $(CHIBIOS)/os/hal/src/hal_mac.c |
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endif |
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@@ -94,6 +97,7 @@ HALSRC = $(CHIBIOS)/os/hal/src/hal.c \
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$(CHIBIOS)/os/hal/src/hal_i2c.c \ |
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$(CHIBIOS)/os/hal/src/hal_i2s.c \ |
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$(CHIBIOS)/os/hal/src/hal_icu.c \ |
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+ $(CHIBIOS)/os/hal/src/hal_qei.c \
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$(CHIBIOS)/os/hal/src/hal_mac.c \ |
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$(CHIBIOS)/os/hal/src/hal_mmc_spi.c \ |
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$(CHIBIOS)/os/hal/src/hal_pal.c \ |
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diff --git a/os/hal/include/hal_qei.h b/os/hal/include/hal_qei.h
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new file mode 100644
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index 0000000..aef5e62
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--- /dev/null
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+++ b/os/hal/include/hal_qei.h
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@@ -0,0 +1,148 @@
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+/*
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+AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
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+Copyright (C) 2016..2018 Thomas Schöpping et al.
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+
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+This program is free software: you can redistribute it and/or modify
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+it under the terms of the GNU General Public License as published by
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+the Free Software Foundation, either version 3 of the License, or
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+(at your option) any later version.
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+
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+This program is distributed in the hope that it will be useful,
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+but WITHOUT ANY WARRANTY; without even the implied warranty of
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+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+GNU General Public License for more details.
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+
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+You should have received a copy of the GNU General Public License
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+along with this program. If not, see <http://www.gnu.org/licenses/>.
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+*/
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+
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+/**
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+ * @file hal_qei.h
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+ * @brief QEI Driver macros and structures.
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+ *
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+ * @addtogroup QEI
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+ * @{
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+ */
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+
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+#ifndef _HAL_QEI_H_
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+#define _HAL_QEI_H_
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+
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+#if HAL_USE_QEI || defined(__DOXYGEN__)
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+
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+/*===========================================================================*/
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+/* Driver constants. */
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+/*===========================================================================*/
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+
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+/*===========================================================================*/
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+/* Driver pre-compile time settings. */
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+/*===========================================================================*/
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+
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+/*===========================================================================*/
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+/* Derived constants and error checks. */
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+/*===========================================================================*/
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+
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+/*===========================================================================*/
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+/* Driver data structures and types. */
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+/*===========================================================================*/
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+
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+/**
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+ * @brief Driver state machine possible states.
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+ */
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+typedef enum {
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+ QEI_UNINIT = 0, /**< Not initialized. */
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+ QEI_STOP = 1, /**< Stopped. */
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+ QEI_READY = 2, /**< Ready. */
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+ QEI_ACTIVE = 4, /**< Active. */
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+} qeistate_t;
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+
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+/**
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+ * @brief Type of a structure representing an QEI driver.
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+ */
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+typedef struct QEIDriver QEIDriver;
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+
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+#include "hal_qei_lld.h"
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+
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+/*===========================================================================*/
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+/* Driver macros. */
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+/*===========================================================================*/
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+
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+/**
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+ * @name Macro Functions
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+ * @{
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+ */
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+/**
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+ * @brief Enables the quadrature encoder.
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+ *
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+ * @param[in] qeip pointer to the @p QEIDriver object
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+ *
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+ * @iclass
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+ */
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+#define qeiEnableI(qeip) qei_lld_enable(qeip)
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+
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+/**
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+ * @brief Disables the quadrature encoder.
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+ *
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+ * @param[in] qeip pointer to the @p QEIDriver object
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+ *
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+ * @iclass
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+ */
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+#define qeiDisableI(qeip) qei_lld_disable(qeip)
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+
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+/**
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+ * @brief Returns the direction of the last transition.
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+ * @details The direction is defined as boolean and is
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+ * calculated at each transition on any input.
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+ *
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+ * @param[in] qeip pointer to the @p QEIDriver object
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+ * @return The request direction.
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+ * @retval FALSE Position counted up.
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+ * @retval TRUE Position counted down.
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+ * @iclass
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+ */
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+#define qeiGetDirectionI(qeip) qei_lld_get_direction(qeip)
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+
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+/**
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+ * @brief Returns the position of the encoder.
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+ * @details The position is defined as number of pulses since last reset.
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+ *
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+ * @param[in] qeip pointer to the @p QEIDriver object
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+ * @return The number of pulses.
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+ *
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+ * @iclass
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+ */
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+#define qeiGetPositionI(qeip) qei_lld_get_position(qeip)
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+
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+/**
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+ * @brief Returns the range of the encoder.
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+ * @details The range is defined as number of maximum pulse count.
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+ *
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+ * @param[in] qeip pointer to the @p QEIDriver object
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+ * @return The number of pulses.
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+ *
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+ * @iclass
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+ */
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+#define qeiGetRangeI(qeip) qei_lld_get_range(qeip)
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+/** @} */
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+
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+/*===========================================================================*/
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+/* External declarations. */
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+/*===========================================================================*/
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+
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+#ifdef __cplusplus
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+extern "C" {
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+#endif
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+ void qeiInit(void);
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+ void qeiObjectInit(QEIDriver *qeip);
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+ void qeiStart(QEIDriver *qeip, const QEIConfig *config);
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+ void qeiStop(QEIDriver *qeip);
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+ void qeiEnable(QEIDriver *qeip);
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+ void qeiDisable(QEIDriver *qeip);
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+#ifdef __cplusplus
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+}
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+#endif
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+
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+#endif /* HAL_USE_QEI */
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+
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+#endif /* _HAL_QEI_H_ */
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+
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+/** @} */
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diff --git a/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.c b/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.c
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index 6ade226..96c9da0 100644
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--- a/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.c
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+++ b/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.c
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@@ -34,6 +34,7 @@
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/* Driver local definitions. */
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/*===========================================================================*/
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+#if STM32_I2C_I2C1_USE_DMA
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#define I2C1_RX_DMA_CHANNEL \ |
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STM32_DMA_GETCHANNEL(STM32_I2C_I2C1_RX_DMA_STREAM, \
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STM32_I2C1_RX_DMA_CHN) |
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@@ -41,7 +42,9 @@
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#define I2C1_TX_DMA_CHANNEL \ |
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STM32_DMA_GETCHANNEL(STM32_I2C_I2C1_TX_DMA_STREAM, \
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STM32_I2C1_TX_DMA_CHN) |
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+#endif
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+#if STM32_I2C_I2C2_USE_DMA
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#define I2C2_RX_DMA_CHANNEL \ |
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STM32_DMA_GETCHANNEL(STM32_I2C_I2C2_RX_DMA_STREAM, \
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STM32_I2C2_RX_DMA_CHN) |
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@@ -49,7 +52,9 @@
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#define I2C2_TX_DMA_CHANNEL \ |
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STM32_DMA_GETCHANNEL(STM32_I2C_I2C2_TX_DMA_STREAM, \
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STM32_I2C2_TX_DMA_CHN) |
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+#endif
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+#if STM32_I2C_I2C3_USE_DMA
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#define I2C3_RX_DMA_CHANNEL \ |
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STM32_DMA_GETCHANNEL(STM32_I2C_I2C3_RX_DMA_STREAM, \
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STM32_I2C3_RX_DMA_CHN) |
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@@ -57,6 +62,7 @@
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#define I2C3_TX_DMA_CHANNEL \ |
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STM32_DMA_GETCHANNEL(STM32_I2C_I2C3_TX_DMA_STREAM, \
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STM32_I2C3_TX_DMA_CHN) |
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+#endif
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/*===========================================================================*/
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/* Driver constants. */
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@@ -72,6 +78,20 @@
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#define I2C_EV6_MASTER_REC_MODE_SELECTED \ |
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((uint32_t)(((I2C_SR2_MSL | I2C_SR2_BUSY)<< 16) | I2C_SR1_ADDR))
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+#define I2C_EV7_MASTER_REC_BYTE_RECEIVED \
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+ ((uint32_t)(((I2C_SR2_MSL | I2C_SR2_BUSY)<< 16) | I2C_SR1_RXNE))
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+
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+#define I2C_EV7_MASTER_REC_BYTE_RECEIVED_STOP \
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+ ((uint32_t)(I2C_SR1_RXNE))
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+
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+#define I2C_EV7_2_EV7_3_MASTER_REC_BYTE_QUEUED \
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+ ((uint32_t)(((I2C_SR2_MSL | I2C_SR2_BUSY)<< 16) | \
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+ I2C_SR1_BTF | I2C_SR1_RXNE))
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+
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+#define I2C_EV8_MASTER_BYTE_TRANSMITTING \
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+ ((uint32_t)(((I2C_SR2_MSL | I2C_SR2_BUSY | I2C_SR2_TRA)<< 16) | \
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+ I2C_SR1_TXE))
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+
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#define I2C_EV8_2_MASTER_BYTE_TRANSMITTED \ |
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((uint32_t)(((I2C_SR2_MSL | I2C_SR2_BUSY | I2C_SR2_TRA) << 16) | \ |
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I2C_SR1_BTF | I2C_SR1_TXE)) |
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@@ -129,8 +149,24 @@ static void i2c_lld_abort_operation(I2CDriver *i2cp) { |
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dp->SR1 = 0;
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/* Stops the associated DMA streams.*/
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- dmaStreamDisable(i2cp->dmatx);
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- dmaStreamDisable(i2cp->dmarx);
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+#if STM32_I2C_USE_I2C1 && STM32_I2C_I2C1_USE_DMA
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+ if (&I2CD1 == i2cp) {
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+ dmaStreamDisable(i2cp->dmatx);
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+ dmaStreamDisable(i2cp->dmarx);
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+ }
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+#endif
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+#if STM32_I2C_USE_I2C2 && STM32_I2C_I2C2_USE_DMA
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+ if (&I2CD2 == i2cp) {
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+ dmaStreamDisable(i2cp->dmatx);
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+ dmaStreamDisable(i2cp->dmarx);
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+ }
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+#endif
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+#if STM32_I2C_USE_I2C3 && STM32_I2C_I2C3_USE_DMA
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+ if (&I2CD3 == i2cp) {
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+ dmaStreamDisable(i2cp->dmatx);
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+ dmaStreamDisable(i2cp->dmarx);
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+ }
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+#endif
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} |
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/**
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@@ -236,13 +272,17 @@ static void i2c_lld_set_opmode(I2CDriver *i2cp) { |
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} |
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/**
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- * @brief I2C shared ISR code.
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+ * @brief I2C shared ISR code for DMA access.
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* |
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* @param[in] i2cp pointer to the @p I2CDriver object |
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* |
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* @notapi
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*/ |
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-static void i2c_lld_serve_event_interrupt(I2CDriver *i2cp) {
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+#if (STM32_I2C_USE_I2C1 && STM32_I2C_I2C1_USE_DMA) || \
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+ (STM32_I2C_USE_I2C2 && STM32_I2C_I2C2_USE_DMA) || \
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+ (STM32_I2C_USE_I2C3 && STM32_I2C_I2C3_USE_DMA) || \
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+ defined(__DOXYGEN__)
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+static void i2c_lld_serve_event_interrupt_dma(I2CDriver *i2cp) {
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I2C_TypeDef *dp = i2cp->i2c; |
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uint32_t regSR2 = dp->SR2; |
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uint32_t event = dp->SR1; |
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@@ -252,7 +292,7 @@ static void i2c_lld_serve_event_interrupt(I2CDriver *i2cp) { |
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done by the DMA.*/ |
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switch (I2C_EV_MASK & (event | (regSR2 << 16))) { |
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case I2C_EV5_MASTER_MODE_SELECT:
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- if ((i2cp->addr >> 8) > 0) {
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+ if ((i2cp->addr >> 8) > 0) {
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/* 10-bit address: 1 1 1 1 0 X X R/W */
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dp->DR = 0xF0 | (0x6 & (i2cp->addr >> 8)) | (0x1 & i2cp->addr); |
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} else {
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@@ -293,6 +333,140 @@ static void i2c_lld_serve_event_interrupt(I2CDriver *i2cp) { |
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if (event & (I2C_SR1_ADDR | I2C_SR1_ADD10))
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(void)dp->SR2;
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} |
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+#endif /* any I2CDx uses DMA mode */
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+
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+/**
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+ * @brief I2C shared ISR code for non-DMA access.
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+ *
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+ * @param[in] i2cp pointer to the @p I2CDriver object
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+ *
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+ * @notapi
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+ */
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+#if (STM32_I2C_USE_I2C1 && !STM32_I2C_I2C1_USE_DMA) || \
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+ (STM32_I2C_USE_I2C2 && !STM32_I2C_I2C2_USE_DMA) || \
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+ (STM32_I2C_USE_I2C3 && !STM32_I2C_I2C3_USE_DMA) || \
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+ defined(__DOXYGEN__)
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+static void i2c_lld_serve_event_interrupt_isr(I2CDriver *i2cp) {
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+ I2C_TypeDef *dp = i2cp->i2c;
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+ uint32_t regSR2 = dp->SR2;
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+ uint32_t event = dp->SR1;
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+
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+ switch (I2C_EV_MASK & (event | (regSR2 << 16))) {
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+ case I2C_EV5_MASTER_MODE_SELECT:
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+ dp->CR2 |= I2C_CR2_ITBUFEN;
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+ dp->DR = i2cp->addr;
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+ break;
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+ case I2C_EV6_MASTER_TRA_MODE_SELECTED:
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+ (void)dp->SR2; // clear ADDR flag
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+ /* EV8_1 */
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+ dp->DR = *(i2cp->txbuf);
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+
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+ ++i2cp->txbuf;
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+ --i2cp->txbytes;
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+
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+ /* if N == 1, skip the I2C_EV8_MASTER_BYTE_TRANSMITTING event
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| 336 |
+ * but enter I2C_EV8_2_MASTER_BYTE_TRANSMITTED next */
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| 337 |
+ if (i2cp->txbytes == 0) {
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| 338 |
+ dp->CR2 &= ~I2C_CR2_ITBUFEN;
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| 339 |
+ }
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+ break;
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+ case I2C_EV6_MASTER_REC_MODE_SELECTED:
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+ switch (i2cp->rxbytes) {
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+ case 1:
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| 344 |
+ dp->CR1 &= ~I2C_CR1_ACK;
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+ (void)dp->SR2; // clear ADDR flag
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| 346 |
+ dp->CR1 |= I2C_CR1_STOP;
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+ break;
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+ case 2:
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+ (void)dp->SR2; // clear ADDR flag
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+ /* EV6_1 */
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+ dp->CR1 |= I2C_CR1_POS;
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+ dp->CR1 &= ~I2C_CR1_ACK;
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+ dp->CR2 &= ~I2C_CR2_ITBUFEN;
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+ break;
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+ case 3: /* N == 3 is a very special case, since EV7 is completely skipped */
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+ (void)dp->SR2; // clear ADDR flag
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+ /* Disable the I2C_EV7_MASTER_REC_BYTE_RECEIVED event
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| 358 |
+ * but enter I2C_EV7_MASTER_REC_BYTE_RECEIVED_STOP next */
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| 359 |
+ dp->CR2 &= ~I2C_CR2_ITBUFEN;
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+ break;
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+ default: /* N > 2 */
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| 362 |
+ (void)dp->SR2; // clear ADDR flag
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| 363 |
+ break;
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| 364 |
+ }
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| 365 |
+ break;
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| 366 |
+ case I2C_EV7_MASTER_REC_BYTE_RECEIVED:
|
| 367 |
+ if (i2cp->rxbytes > 3) {
|
| 368 |
+ *(i2cp->rxbuf) = dp->DR;
|
| 369 |
+ ++i2cp->rxbuf;
|
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+ --i2cp->rxbytes;
|
| 371 |
+ }
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| 372 |
+ if (i2cp->rxbytes == 3) {
|
| 373 |
+ /* Disable this event for DataN-2, but force into event
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| 374 |
+ * I2C_EV7_2_EV7_3_MASTER_REC_BYTE_RECEIVED_QUEUED by not reading dp->DR. */
|
| 375 |
+ dp->CR2 &= ~I2C_CR2_ITBUFEN;
|
| 376 |
+ }
|
| 377 |
+ break;
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| 378 |
+ case I2C_EV7_MASTER_REC_BYTE_RECEIVED_STOP:
|
| 379 |
+ osalDbgAssert(i2cp->rxbytes == 1, "more than 1 byte to be received");
|
| 380 |
+ *(i2cp->rxbuf) = dp->DR;
|
| 381 |
+ --i2cp->rxbytes;
|
| 382 |
+ dp->CR2 &= ~(I2C_CR2_ITEVTEN | I2C_CR2_ITBUFEN);
|
| 383 |
+ _i2c_wakeup_isr(i2cp);
|
| 384 |
+ break;
|
| 385 |
+ case I2C_EV7_2_EV7_3_MASTER_REC_BYTE_QUEUED:
|
| 386 |
+ if (i2cp->rxbytes == 3) {
|
| 387 |
+ /* EV7_2 (N > 2) */
|
| 388 |
+ dp->CR1 &= ~I2C_CR1_ACK;
|
| 389 |
+ *(i2cp->rxbuf) = dp->DR;
|
| 390 |
+ ++i2cp->rxbuf;
|
| 391 |
+ dp->CR1 |= I2C_CR1_STOP;
|
| 392 |
+ *(i2cp->rxbuf) = dp->DR;
|
| 393 |
+ ++i2cp->rxbuf;
|
| 394 |
+ i2cp->rxbytes -= 2;
|
| 395 |
+ /* enable I2C_EV7_MASTER_REC_BYTE_RECEIVED_STOP event */
|
| 396 |
+ dp->CR2 |= I2C_CR2_ITBUFEN;
|
| 397 |
+ } else {
|
| 398 |
+ /* EV7_3 (N == 2) */
|
| 399 |
+ dp->CR1 |= I2C_CR1_STOP;
|
| 400 |
+ *(i2cp->rxbuf) = dp->DR;
|
| 401 |
+ ++i2cp->rxbuf;
|
| 402 |
+ *(i2cp->rxbuf) = dp->DR;
|
| 403 |
+ i2cp->rxbytes -= 2;
|
| 404 |
+
|
| 405 |
+ dp->CR1 &= ~I2C_CR1_POS;
|
| 406 |
+ dp->CR2 &= ~(I2C_CR2_ITEVTEN | I2C_CR2_ITBUFEN);
|
| 407 |
+
|
| 408 |
+ _i2c_wakeup_isr(i2cp);
|
| 409 |
+ }
|
| 410 |
+ break;
|
| 411 |
+ case I2C_EV8_MASTER_BYTE_TRANSMITTING:
|
| 412 |
+ dp->DR = *(i2cp->txbuf);
|
| 413 |
+ ++i2cp->txbuf;
|
| 414 |
+ --i2cp->txbytes;
|
| 415 |
+
|
| 416 |
+ /* if this was the last byte, ensure that this event is not entered again */
|
| 417 |
+ if (i2cp->txbytes == 0) {
|
| 418 |
+ dp->CR2 &= ~I2C_CR2_ITBUFEN;
|
| 419 |
+ }
|
| 420 |
+ break;
|
| 421 |
+ case I2C_EV8_2_MASTER_BYTE_TRANSMITTED:
|
| 422 |
+ if (i2cp->rxbytes > 0) {
|
| 423 |
+ /* start "read after write" operation (LSB of address = 1 => read) */
|
| 424 |
+ i2cp->addr |= 0x01;
|
| 425 |
+ dp->CR1 |= I2C_CR1_START | I2C_CR1_ACK;
|
| 426 |
+ } else {
|
| 427 |
+ dp->CR1 |= I2C_CR1_STOP;
|
| 428 |
+ dp->CR2 &= ~(I2C_CR2_ITEVTEN | I2C_CR2_ITBUFEN);
|
| 429 |
+ _i2c_wakeup_isr(i2cp);
|
| 430 |
+ }
|
| 431 |
+ break;
|
| 432 |
+ default:
|
| 433 |
+ osalDbgAssert(i2cp->rxbytes != 1, "more than 1 byte to be received");
|
| 434 |
+ break;
|
| 435 |
+ }
|
| 436 |
+}
|
| 437 |
+#endif /* any I2CDx uses non-DMA mode */
|
| 438 |
|
| 439 |
/**
|
| 440 |
* @brief DMA RX end IRQ handler.
|
| 441 |
@@ -302,6 +476,10 @@ static void i2c_lld_serve_event_interrupt(I2CDriver *i2cp) { |
| 442 |
* |
| 443 |
* @notapi
|
| 444 |
*/ |
| 445 |
+#if (STM32_I2C_USE_I2C1 && STM32_I2C_I2C1_USE_DMA) || \
|
| 446 |
+ (STM32_I2C_USE_I2C2 && STM32_I2C_I2C2_USE_DMA) || \
|
| 447 |
+ (STM32_I2C_USE_I2C3 && STM32_I2C_I2C3_USE_DMA) || \
|
| 448 |
+ defined(__DOXYGEN__)
|
| 449 |
static void i2c_lld_serve_rx_end_irq(I2CDriver *i2cp, uint32_t flags) { |
| 450 |
I2C_TypeDef *dp = i2cp->i2c; |
| 451 |
|
| 452 |
@@ -347,6 +525,7 @@ static void i2c_lld_serve_tx_end_irq(I2CDriver *i2cp, uint32_t flags) { |
| 453 |
of R/W transaction itself.*/ |
| 454 |
dp->CR2 |= I2C_CR2_ITEVTEN; |
| 455 |
} |
| 456 |
+#endif /* any I2CDx uses DMA mode */
|
| 457 |
|
| 458 |
/**
|
| 459 |
* @brief I2C error handler.
|
| 460 |
@@ -359,8 +538,24 @@ static void i2c_lld_serve_tx_end_irq(I2CDriver *i2cp, uint32_t flags) { |
| 461 |
static void i2c_lld_serve_error_interrupt(I2CDriver *i2cp, uint16_t sr) { |
| 462 |
|
| 463 |
/* Clears interrupt flags just to be safe.*/
|
| 464 |
- dmaStreamDisable(i2cp->dmatx);
|
| 465 |
- dmaStreamDisable(i2cp->dmarx);
|
| 466 |
+#if STM32_I2C_USE_I2C1 && STM32_I2C_I2C1_USE_DMA
|
| 467 |
+ if (&I2CD1 == i2cp) {
|
| 468 |
+ dmaStreamDisable(i2cp->dmatx);
|
| 469 |
+ dmaStreamDisable(i2cp->dmarx);
|
| 470 |
+ }
|
| 471 |
+#endif
|
| 472 |
+#if STM32_I2C_USE_I2C2 && STM32_I2C_I2C2_USE_DMA
|
| 473 |
+ if (&I2CD2 == i2cp) {
|
| 474 |
+ dmaStreamDisable(i2cp->dmatx);
|
| 475 |
+ dmaStreamDisable(i2cp->dmarx);
|
| 476 |
+ }
|
| 477 |
+#endif
|
| 478 |
+#if STM32_I2C_USE_I2C3 && STM32_I2C_I2C3_USE_DMA
|
| 479 |
+ if (&I2CD3 == i2cp) {
|
| 480 |
+ dmaStreamDisable(i2cp->dmatx);
|
| 481 |
+ dmaStreamDisable(i2cp->dmarx);
|
| 482 |
+ }
|
| 483 |
+#endif
|
| 484 |
|
| 485 |
i2cp->errors = I2C_NO_ERROR; |
| 486 |
|
| 487 |
@@ -407,7 +602,11 @@ OSAL_IRQ_HANDLER(STM32_I2C1_EVENT_HANDLER) {
|
| 488 |
|
| 489 |
OSAL_IRQ_PROLOGUE(); |
| 490 |
|
| 491 |
- i2c_lld_serve_event_interrupt(&I2CD1);
|
| 492 |
+#if STM32_I2C_I2C1_USE_DMA
|
| 493 |
+ i2c_lld_serve_event_interrupt_dma(&I2CD1);
|
| 494 |
+#else
|
| 495 |
+ i2c_lld_serve_event_interrupt_isr(&I2CD1);
|
| 496 |
+#endif
|
| 497 |
|
| 498 |
OSAL_IRQ_EPILOGUE(); |
| 499 |
} |
| 500 |
@@ -437,7 +636,11 @@ OSAL_IRQ_HANDLER(STM32_I2C2_EVENT_HANDLER) {
|
| 501 |
|
| 502 |
OSAL_IRQ_PROLOGUE(); |
| 503 |
|
| 504 |
- i2c_lld_serve_event_interrupt(&I2CD2);
|
| 505 |
+#if STM32_I2C_I2C2_USE_DMA
|
| 506 |
+ i2c_lld_serve_event_interrupt_dma(&I2CD2);
|
| 507 |
+#else
|
| 508 |
+ i2c_lld_serve_event_interrupt_isr(&I2CD2);
|
| 509 |
+#endif
|
| 510 |
|
| 511 |
OSAL_IRQ_EPILOGUE(); |
| 512 |
} |
| 513 |
@@ -469,7 +672,11 @@ OSAL_IRQ_HANDLER(STM32_I2C3_EVENT_HANDLER) {
|
| 514 |
|
| 515 |
OSAL_IRQ_PROLOGUE(); |
| 516 |
|
| 517 |
- i2c_lld_serve_event_interrupt(&I2CD3);
|
| 518 |
+#if STM32_I2C_I2C3_USE_DMA
|
| 519 |
+ i2c_lld_serve_event_interrupt_dma(&I2CD3);
|
| 520 |
+#else
|
| 521 |
+ i2c_lld_serve_event_interrupt_isr(&I2CD3);
|
| 522 |
+#endif
|
| 523 |
|
| 524 |
OSAL_IRQ_EPILOGUE(); |
| 525 |
} |
| 526 |
@@ -506,24 +713,30 @@ void i2c_lld_init(void) { |
| 527 |
i2cObjectInit(&I2CD1); |
| 528 |
I2CD1.thread = NULL;
|
| 529 |
I2CD1.i2c = I2C1; |
| 530 |
+#if STM32_I2C_I2C1_USE_DMA
|
| 531 |
I2CD1.dmarx = STM32_DMA_STREAM(STM32_I2C_I2C1_RX_DMA_STREAM); |
| 532 |
I2CD1.dmatx = STM32_DMA_STREAM(STM32_I2C_I2C1_TX_DMA_STREAM); |
| 533 |
+#endif
|
| 534 |
#endif /* STM32_I2C_USE_I2C1 */ |
| 535 |
|
| 536 |
#if STM32_I2C_USE_I2C2
|
| 537 |
i2cObjectInit(&I2CD2); |
| 538 |
I2CD2.thread = NULL;
|
| 539 |
I2CD2.i2c = I2C2; |
| 540 |
+#if STM32_I2C_I2C2_USE_DMA
|
| 541 |
I2CD2.dmarx = STM32_DMA_STREAM(STM32_I2C_I2C2_RX_DMA_STREAM); |
| 542 |
I2CD2.dmatx = STM32_DMA_STREAM(STM32_I2C_I2C2_TX_DMA_STREAM); |
| 543 |
+#endif
|
| 544 |
#endif /* STM32_I2C_USE_I2C2 */ |
| 545 |
|
| 546 |
#if STM32_I2C_USE_I2C3
|
| 547 |
i2cObjectInit(&I2CD3); |
| 548 |
I2CD3.thread = NULL;
|
| 549 |
I2CD3.i2c = I2C3; |
| 550 |
+#if STM32_I2C_I2C3_USE_DMA
|
| 551 |
I2CD3.dmarx = STM32_DMA_STREAM(STM32_I2C_I2C3_RX_DMA_STREAM); |
| 552 |
I2CD3.dmatx = STM32_DMA_STREAM(STM32_I2C_I2C3_TX_DMA_STREAM); |
| 553 |
+#endif
|
| 554 |
#endif /* STM32_I2C_USE_I2C3 */ |
| 555 |
} |
| 556 |
|
| 557 |
@@ -540,20 +753,24 @@ void i2c_lld_start(I2CDriver *i2cp) { |
| 558 |
/* If in stopped state then enables the I2C and DMA clocks.*/
|
| 559 |
if (i2cp->state == I2C_STOP) {
|
| 560 |
|
| 561 |
- i2cp->txdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
|
| 562 |
- STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
|
| 563 |
- STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
|
| 564 |
- STM32_DMA_CR_DIR_M2P;
|
| 565 |
- i2cp->rxdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
|
| 566 |
- STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
|
| 567 |
- STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
|
| 568 |
- STM32_DMA_CR_DIR_P2M;
|
| 569 |
-
|
| 570 |
#if STM32_I2C_USE_I2C1
|
| 571 |
if (&I2CD1 == i2cp) {
|
| 572 |
+#if STM32_I2C_I2C1_USE_DMA
|
| 573 |
bool b;
|
| 574 |
|
| 575 |
+ i2cp->txdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
|
| 576 |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
|
| 577 |
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
|
| 578 |
+ STM32_DMA_CR_DIR_M2P;
|
| 579 |
+ i2cp->rxdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
|
| 580 |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
|
| 581 |
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
|
| 582 |
+ STM32_DMA_CR_DIR_P2M;
|
| 583 |
+#endif
|
| 584 |
+
|
| 585 |
rccResetI2C1(); |
| 586 |
+
|
| 587 |
+#if STM32_I2C_I2C1_USE_DMA
|
| 588 |
b = dmaStreamAllocate(i2cp->dmarx, |
| 589 |
STM32_I2C_I2C1_IRQ_PRIORITY, |
| 590 |
(stm32_dmaisr_t)i2c_lld_serve_rx_end_irq, |
| 591 |
@@ -564,22 +781,52 @@ void i2c_lld_start(I2CDriver *i2cp) { |
| 592 |
(stm32_dmaisr_t)i2c_lld_serve_tx_end_irq, |
| 593 |
(void *)i2cp);
|
| 594 |
osalDbgAssert(!b, "stream already allocated");
|
| 595 |
+#endif
|
| 596 |
+
|
| 597 |
rccEnableI2C1(true);
|
| 598 |
nvicEnableVector(I2C1_EV_IRQn, STM32_I2C_I2C1_IRQ_PRIORITY); |
| 599 |
nvicEnableVector(I2C1_ER_IRQn, STM32_I2C_I2C1_IRQ_PRIORITY); |
| 600 |
|
| 601 |
+#if STM32_I2C_I2C1_USE_DMA
|
| 602 |
i2cp->rxdmamode |= STM32_DMA_CR_CHSEL(I2C1_RX_DMA_CHANNEL) | |
| 603 |
STM32_DMA_CR_PL(STM32_I2C_I2C1_DMA_PRIORITY); |
| 604 |
i2cp->txdmamode |= STM32_DMA_CR_CHSEL(I2C1_TX_DMA_CHANNEL) | |
| 605 |
STM32_DMA_CR_PL(STM32_I2C_I2C1_DMA_PRIORITY); |
| 606 |
+
|
| 607 |
+ /* I2C registers pointed by the DMA.*/
|
| 608 |
+ dmaStreamSetPeripheral(i2cp->dmarx, &dp->DR);
|
| 609 |
+ dmaStreamSetPeripheral(i2cp->dmatx, &dp->DR);
|
| 610 |
+#endif
|
| 611 |
+
|
| 612 |
+ /* Reset i2c peripheral.*/
|
| 613 |
+ dp->CR1 = I2C_CR1_SWRST;
|
| 614 |
+ dp->CR1 = 0;
|
| 615 |
+#if STM32_I2C_I2C1_USE_DMA
|
| 616 |
+ dp->CR2 = I2C_CR2_ITERREN | I2C_CR2_DMAEN;
|
| 617 |
+#else
|
| 618 |
+ dp->CR2 = I2C_CR2_ITERREN;
|
| 619 |
+#endif
|
| 620 |
} |
| 621 |
#endif /* STM32_I2C_USE_I2C1 */ |
| 622 |
|
| 623 |
#if STM32_I2C_USE_I2C2
|
| 624 |
if (&I2CD2 == i2cp) {
|
| 625 |
+#if STM32_I2C_I2C2_USE_DMA
|
| 626 |
bool b;
|
| 627 |
|
| 628 |
+ i2cp->txdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
|
| 629 |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
|
| 630 |
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
|
| 631 |
+ STM32_DMA_CR_DIR_M2P;
|
| 632 |
+ i2cp->rxdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
|
| 633 |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
|
| 634 |
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
|
| 635 |
+ STM32_DMA_CR_DIR_P2M;
|
| 636 |
+#endif
|
| 637 |
+
|
| 638 |
rccResetI2C2(); |
| 639 |
+
|
| 640 |
+#if STM32_I2C_I2C2_USE_DMA
|
| 641 |
b = dmaStreamAllocate(i2cp->dmarx, |
| 642 |
STM32_I2C_I2C2_IRQ_PRIORITY, |
| 643 |
(stm32_dmaisr_t)i2c_lld_serve_rx_end_irq, |
| 644 |
@@ -590,22 +837,52 @@ void i2c_lld_start(I2CDriver *i2cp) { |
| 645 |
(stm32_dmaisr_t)i2c_lld_serve_tx_end_irq, |
| 646 |
(void *)i2cp);
|
| 647 |
osalDbgAssert(!b, "stream already allocated");
|
| 648 |
+#endif
|
| 649 |
+
|
| 650 |
rccEnableI2C2(true);
|
| 651 |
nvicEnableVector(I2C2_EV_IRQn, STM32_I2C_I2C2_IRQ_PRIORITY); |
| 652 |
nvicEnableVector(I2C2_ER_IRQn, STM32_I2C_I2C2_IRQ_PRIORITY); |
| 653 |
|
| 654 |
+#if STM32_I2C_I2C2_USE_DMA
|
| 655 |
i2cp->rxdmamode |= STM32_DMA_CR_CHSEL(I2C2_RX_DMA_CHANNEL) | |
| 656 |
STM32_DMA_CR_PL(STM32_I2C_I2C2_DMA_PRIORITY); |
| 657 |
i2cp->txdmamode |= STM32_DMA_CR_CHSEL(I2C2_TX_DMA_CHANNEL) | |
| 658 |
STM32_DMA_CR_PL(STM32_I2C_I2C2_DMA_PRIORITY); |
| 659 |
+
|
| 660 |
+ /* I2C registers pointed by the DMA.*/
|
| 661 |
+ dmaStreamSetPeripheral(i2cp->dmarx, &dp->DR);
|
| 662 |
+ dmaStreamSetPeripheral(i2cp->dmatx, &dp->DR);
|
| 663 |
+#endif
|
| 664 |
+
|
| 665 |
+ /* Reset i2c peripheral.*/
|
| 666 |
+ dp->CR1 = I2C_CR1_SWRST;
|
| 667 |
+ dp->CR1 = 0;
|
| 668 |
+#if STM32_I2C_I2C2_USE_DMA
|
| 669 |
+ dp->CR2 = I2C_CR2_ITERREN | I2C_CR2_DMAEN;
|
| 670 |
+#else
|
| 671 |
+ dp->CR2 = I2C_CR2_ITERREN;
|
| 672 |
+#endif
|
| 673 |
} |
| 674 |
#endif /* STM32_I2C_USE_I2C2 */ |
| 675 |
|
| 676 |
#if STM32_I2C_USE_I2C3
|
| 677 |
if (&I2CD3 == i2cp) {
|
| 678 |
+#if STM32_I2C_I2C3_USE_DMA
|
| 679 |
bool b;
|
| 680 |
|
| 681 |
+ i2cp->txdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
|
| 682 |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
|
| 683 |
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
|
| 684 |
+ STM32_DMA_CR_DIR_M2P;
|
| 685 |
+ i2cp->rxdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
|
| 686 |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
|
| 687 |
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
|
| 688 |
+ STM32_DMA_CR_DIR_P2M;
|
| 689 |
+#endif
|
| 690 |
+
|
| 691 |
rccResetI2C3(); |
| 692 |
+
|
| 693 |
+#if STM32_I2C_I2C3_USE_DMA
|
| 694 |
b = dmaStreamAllocate(i2cp->dmarx, |
| 695 |
STM32_I2C_I2C3_IRQ_PRIORITY, |
| 696 |
(stm32_dmaisr_t)i2c_lld_serve_rx_end_irq, |
| 697 |
@@ -616,27 +893,35 @@ void i2c_lld_start(I2CDriver *i2cp) { |
| 698 |
(stm32_dmaisr_t)i2c_lld_serve_tx_end_irq, |
| 699 |
(void *)i2cp);
|
| 700 |
osalDbgAssert(!b, "stream already allocated");
|
| 701 |
+#endif
|
| 702 |
+
|
| 703 |
rccEnableI2C3(true);
|
| 704 |
nvicEnableVector(I2C3_EV_IRQn, STM32_I2C_I2C3_IRQ_PRIORITY); |
| 705 |
nvicEnableVector(I2C3_ER_IRQn, STM32_I2C_I2C3_IRQ_PRIORITY); |
| 706 |
|
| 707 |
+#if STM32_I2C_I2C3_USE_DMA
|
| 708 |
i2cp->rxdmamode |= STM32_DMA_CR_CHSEL(I2C3_RX_DMA_CHANNEL) | |
| 709 |
STM32_DMA_CR_PL(STM32_I2C_I2C3_DMA_PRIORITY); |
| 710 |
i2cp->txdmamode |= STM32_DMA_CR_CHSEL(I2C3_TX_DMA_CHANNEL) | |
| 711 |
STM32_DMA_CR_PL(STM32_I2C_I2C3_DMA_PRIORITY); |
| 712 |
+
|
| 713 |
+ /* I2C registers pointed by the DMA.*/
|
| 714 |
+ dmaStreamSetPeripheral(i2cp->dmarx, &dp->DR);
|
| 715 |
+ dmaStreamSetPeripheral(i2cp->dmatx, &dp->DR);
|
| 716 |
+#endif
|
| 717 |
+
|
| 718 |
+ /* Reset i2c peripheral.*/
|
| 719 |
+ dp->CR1 = I2C_CR1_SWRST;
|
| 720 |
+ dp->CR1 = 0;
|
| 721 |
+#if STM32_I2C_I2C3_USE_DMA
|
| 722 |
+ dp->CR2 = I2C_CR2_ITERREN | I2C_CR2_DMAEN;
|
| 723 |
+#else
|
| 724 |
+ dp->CR2 = I2C_CR2_ITERREN;
|
| 725 |
+#endif
|
| 726 |
} |
| 727 |
#endif /* STM32_I2C_USE_I2C3 */ |
| 728 |
} |
| 729 |
|
| 730 |
- /* I2C registers pointed by the DMA.*/
|
| 731 |
- dmaStreamSetPeripheral(i2cp->dmarx, &dp->DR);
|
| 732 |
- dmaStreamSetPeripheral(i2cp->dmatx, &dp->DR);
|
| 733 |
-
|
| 734 |
- /* Reset i2c peripheral.*/
|
| 735 |
- dp->CR1 = I2C_CR1_SWRST;
|
| 736 |
- dp->CR1 = 0;
|
| 737 |
- dp->CR2 = I2C_CR2_ITERREN | I2C_CR2_DMAEN;
|
| 738 |
-
|
| 739 |
/* Setup I2C parameters.*/
|
| 740 |
i2c_lld_set_clock(i2cp); |
| 741 |
i2c_lld_set_opmode(i2cp); |
| 742 |
@@ -659,11 +944,13 @@ void i2c_lld_stop(I2CDriver *i2cp) { |
| 743 |
|
| 744 |
/* I2C disable.*/
|
| 745 |
i2c_lld_abort_operation(i2cp); |
| 746 |
- dmaStreamRelease(i2cp->dmatx);
|
| 747 |
- dmaStreamRelease(i2cp->dmarx);
|
| 748 |
|
| 749 |
#if STM32_I2C_USE_I2C1
|
| 750 |
if (&I2CD1 == i2cp) {
|
| 751 |
+#if STM32_I2C_I2C1_USE_DMA
|
| 752 |
+ dmaStreamRelease(i2cp->dmatx);
|
| 753 |
+ dmaStreamRelease(i2cp->dmarx);
|
| 754 |
+ #endif
|
| 755 |
nvicDisableVector(I2C1_EV_IRQn); |
| 756 |
nvicDisableVector(I2C1_ER_IRQn); |
| 757 |
rccDisableI2C1(); |
| 758 |
@@ -672,6 +959,10 @@ void i2c_lld_stop(I2CDriver *i2cp) { |
| 759 |
|
| 760 |
#if STM32_I2C_USE_I2C2
|
| 761 |
if (&I2CD2 == i2cp) {
|
| 762 |
+#if STM32_I2C_I2C2_USE_DMA
|
| 763 |
+ dmaStreamRelease(i2cp->dmatx);
|
| 764 |
+ dmaStreamRelease(i2cp->dmarx);
|
| 765 |
+ #endif
|
| 766 |
nvicDisableVector(I2C2_EV_IRQn); |
| 767 |
nvicDisableVector(I2C2_ER_IRQn); |
| 768 |
rccDisableI2C2(); |
| 769 |
@@ -680,6 +971,10 @@ void i2c_lld_stop(I2CDriver *i2cp) { |
| 770 |
|
| 771 |
#if STM32_I2C_USE_I2C3
|
| 772 |
if (&I2CD3 == i2cp) {
|
| 773 |
+#if STM32_I2C_I2C3_USE_DMA
|
| 774 |
+ dmaStreamRelease(i2cp->dmatx);
|
| 775 |
+ dmaStreamRelease(i2cp->dmarx);
|
| 776 |
+ #endif
|
| 777 |
nvicDisableVector(I2C3_EV_IRQn); |
| 778 |
nvicDisableVector(I2C3_ER_IRQn); |
| 779 |
rccDisableI2C3(); |
| 780 |
@@ -730,10 +1025,43 @@ msg_t i2c_lld_master_receive_timeout(I2CDriver *i2cp, i2caddr_t addr,
|
| 781 |
/* Releases the lock from high level driver.*/
|
| 782 |
osalSysUnlock(); |
| 783 |
|
| 784 |
- /* RX DMA setup.*/
|
| 785 |
- dmaStreamSetMode(i2cp->dmarx, i2cp->rxdmamode);
|
| 786 |
- dmaStreamSetMemory0(i2cp->dmarx, rxbuf);
|
| 787 |
- dmaStreamSetTransactionSize(i2cp->dmarx, rxbytes);
|
| 788 |
+ /* RX (DMA) setup.*/
|
| 789 |
+#if STM32_I2C_USE_I2C1
|
| 790 |
+ if (&I2CD1 == i2cp) {
|
| 791 |
+#if STM32_I2C_I2C1_USE_DMA
|
| 792 |
+ dmaStreamSetMode(i2cp->dmarx, i2cp->rxdmamode);
|
| 793 |
+ dmaStreamSetMemory0(i2cp->dmarx, rxbuf);
|
| 794 |
+ dmaStreamSetTransactionSize(i2cp->dmarx, rxbytes);
|
| 795 |
+#else
|
| 796 |
+ i2cp->rxbuf = rxbuf;
|
| 797 |
+ i2cp->rxbytes = rxbytes;
|
| 798 |
+#endif
|
| 799 |
+ }
|
| 800 |
+#endif
|
| 801 |
+#if STM32_I2C_USE_I2C2
|
| 802 |
+ if (&I2CD2 == i2cp) {
|
| 803 |
+#if STM32_I2C_I2C2_USE_DMA
|
| 804 |
+ dmaStreamSetMode(i2cp->dmarx, i2cp->rxdmamode);
|
| 805 |
+ dmaStreamSetMemory0(i2cp->dmarx, rxbuf);
|
| 806 |
+ dmaStreamSetTransactionSize(i2cp->dmarx, rxbytes);
|
| 807 |
+#else
|
| 808 |
+ i2cp->rxbuf = rxbuf;
|
| 809 |
+ i2cp->rxbytes = rxbytes;
|
| 810 |
+#endif
|
| 811 |
+ }
|
| 812 |
+#endif
|
| 813 |
+#if STM32_I2C_USE_I2C3
|
| 814 |
+ if (&I2CD3 == i2cp) {
|
| 815 |
+#if STM32_I2C_I2C3_USE_DMA
|
| 816 |
+ dmaStreamSetMode(i2cp->dmarx, i2cp->rxdmamode);
|
| 817 |
+ dmaStreamSetMemory0(i2cp->dmarx, rxbuf);
|
| 818 |
+ dmaStreamSetTransactionSize(i2cp->dmarx, rxbytes);
|
| 819 |
+#else
|
| 820 |
+ i2cp->rxbuf = rxbuf;
|
| 821 |
+ i2cp->rxbytes = rxbytes;
|
| 822 |
+#endif
|
| 823 |
+ }
|
| 824 |
+#endif
|
| 825 |
|
| 826 |
/* Calculating the time window for the timeout on the busy bus condition.*/
|
| 827 |
start = osalOsGetSystemTimeX(); |
| 828 |
@@ -810,15 +1138,61 @@ msg_t i2c_lld_master_transmit_timeout(I2CDriver *i2cp, i2caddr_t addr,
|
| 829 |
/* Releases the lock from high level driver.*/
|
| 830 |
osalSysUnlock(); |
| 831 |
|
| 832 |
- /* TX DMA setup.*/
|
| 833 |
- dmaStreamSetMode(i2cp->dmatx, i2cp->txdmamode);
|
| 834 |
- dmaStreamSetMemory0(i2cp->dmatx, txbuf);
|
| 835 |
- dmaStreamSetTransactionSize(i2cp->dmatx, txbytes);
|
| 836 |
-
|
| 837 |
- /* RX DMA setup.*/
|
| 838 |
- dmaStreamSetMode(i2cp->dmarx, i2cp->rxdmamode);
|
| 839 |
- dmaStreamSetMemory0(i2cp->dmarx, rxbuf);
|
| 840 |
- dmaStreamSetTransactionSize(i2cp->dmarx, rxbytes);
|
| 841 |
+ /* TX (DMA) and RX (DMA) setup */
|
| 842 |
+#if STM32_I2C_USE_I2C1
|
| 843 |
+ if (&I2CD1 == i2cp) {
|
| 844 |
+#if STM32_I2C_I2C1_USE_DMA
|
| 845 |
+ dmaStreamSetMode(i2cp->dmatx, i2cp->txdmamode);
|
| 846 |
+ dmaStreamSetMemory0(i2cp->dmatx, txbuf);
|
| 847 |
+ dmaStreamSetTransactionSize(i2cp->dmatx, txbytes);
|
| 848 |
+
|
| 849 |
+ dmaStreamSetMode(i2cp->dmarx, i2cp->rxdmamode);
|
| 850 |
+ dmaStreamSetMemory0(i2cp->dmarx, rxbuf);
|
| 851 |
+ dmaStreamSetTransactionSize(i2cp->dmarx, rxbytes);
|
| 852 |
+#else
|
| 853 |
+ i2cp->txbuf = txbuf;
|
| 854 |
+ i2cp->txbytes = txbytes;
|
| 855 |
+ i2cp->rxbuf = rxbuf;
|
| 856 |
+ i2cp->rxbytes = rxbytes;
|
| 857 |
+#endif
|
| 858 |
+ }
|
| 859 |
+#endif
|
| 860 |
+#if STM32_I2C_USE_I2C2
|
| 861 |
+ if (&I2CD2 == i2cp) {
|
| 862 |
+#if STM32_I2C_I2C2_USE_DMA
|
| 863 |
+ dmaStreamSetMode(i2cp->dmatx, i2cp->txdmamode);
|
| 864 |
+ dmaStreamSetMemory0(i2cp->dmatx, txbuf);
|
| 865 |
+ dmaStreamSetTransactionSize(i2cp->dmatx, txbytes);
|
| 866 |
+
|
| 867 |
+ dmaStreamSetMode(i2cp->dmarx, i2cp->rxdmamode);
|
| 868 |
+ dmaStreamSetMemory0(i2cp->dmarx, rxbuf);
|
| 869 |
+ dmaStreamSetTransactionSize(i2cp->dmarx, rxbytes);
|
| 870 |
+#else
|
| 871 |
+ i2cp->txbuf = txbuf;
|
| 872 |
+ i2cp->txbytes = txbytes;
|
| 873 |
+ i2cp->rxbuf = rxbuf;
|
| 874 |
+ i2cp->rxbytes = rxbytes;
|
| 875 |
+#endif
|
| 876 |
+ }
|
| 877 |
+#endif
|
| 878 |
+#if STM32_I2C_USE_I2C3
|
| 879 |
+ if (&I2CD3 == i2cp) {
|
| 880 |
+#if STM32_I2C_I2C3_USE_DMA
|
| 881 |
+ dmaStreamSetMode(i2cp->dmatx, i2cp->txdmamode);
|
| 882 |
+ dmaStreamSetMemory0(i2cp->dmatx, txbuf);
|
| 883 |
+ dmaStreamSetTransactionSize(i2cp->dmatx, txbytes);
|
| 884 |
+
|
| 885 |
+ dmaStreamSetMode(i2cp->dmarx, i2cp->rxdmamode);
|
| 886 |
+ dmaStreamSetMemory0(i2cp->dmarx, rxbuf);
|
| 887 |
+ dmaStreamSetTransactionSize(i2cp->dmarx, rxbytes);
|
| 888 |
+#else
|
| 889 |
+ i2cp->txbuf = txbuf;
|
| 890 |
+ i2cp->txbytes = txbytes;
|
| 891 |
+ i2cp->rxbuf = rxbuf;
|
| 892 |
+ i2cp->rxbytes = rxbytes;
|
| 893 |
+#endif
|
| 894 |
+ }
|
| 895 |
+#endif
|
| 896 |
|
| 897 |
/* Calculating the time window for the timeout on the busy bus condition.*/
|
| 898 |
start = osalOsGetSystemTimeX(); |
| 899 |
diff --git a/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.h b/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.h
|
| 900 |
index 1328d47..68f91e1 100644
|
| 901 |
--- a/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.h
|
| 902 |
+++ b/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.h
|
| 903 |
@@ -104,6 +104,33 @@
|
| 904 |
#endif
|
| 905 |
|
| 906 |
/**
|
| 907 |
+ * @brief I2C1 DMA enable switch.
|
| 908 |
+ * @details If set to @p TRUE the I2C1 driver will use DMA.
|
| 909 |
+ * @note The default is @p TRUE.
|
| 910 |
+ */
|
| 911 |
+#if !defined(STM32_I2C_I2C1_USE_DMA) || defined(__DOXYGEN__)
|
| 912 |
+#define STM32_I2C_I2C1_USE_DMA TRUE
|
| 913 |
+#endif
|
| 914 |
+
|
| 915 |
+/**
|
| 916 |
+ * @brief I2C2 DMA enable switch.
|
| 917 |
+ * @details If set to @p TRUE the I2C2 driver will use DMA.
|
| 918 |
+ * @note The default is @p TRUE.
|
| 919 |
+ */
|
| 920 |
+#if !defined(STM32_I2C_I2C2_USE_DMA) || defined(__DOXYGEN__)
|
| 921 |
+#define STM32_I2C_I2C2_USE_DMA TRUE
|
| 922 |
+#endif
|
| 923 |
+
|
| 924 |
+/**
|
| 925 |
+ * @brief I2C3 DMA enable switch.
|
| 926 |
+ * @details If set to @p TRUE the I2C3 driver will use DMA.
|
| 927 |
+ * @note The default is @p TRUE.
|
| 928 |
+ */
|
| 929 |
+#if !defined(STM32_I2C_I2C3_USE_DMA) || defined(__DOXYGEN__)
|
| 930 |
+#define STM32_I2C_I2C3_USE_DMA TRUE
|
| 931 |
+#endif
|
| 932 |
+
|
| 933 |
+/**
|
| 934 |
* @brief I2C1 DMA priority (0..3|lowest..highest). |
| 935 |
* @note The priority level is used for both the TX and RX DMA streams but |
| 936 |
* because of the streams ordering the RX stream has always priority |
| 937 |
@@ -250,16 +277,19 @@
|
| 938 |
#endif
|
| 939 |
|
| 940 |
#if STM32_I2C_USE_I2C1 && \ |
| 941 |
+ STM32_I2C_I2C1_USE_DMA && \
|
| 942 |
!STM32_DMA_IS_VALID_PRIORITY(STM32_I2C_I2C1_DMA_PRIORITY) |
| 943 |
#error "Invalid DMA priority assigned to I2C1" |
| 944 |
#endif
|
| 945 |
|
| 946 |
#if STM32_I2C_USE_I2C2 && \ |
| 947 |
+ STM32_I2C_I2C2_USE_DMA && \
|
| 948 |
!STM32_DMA_IS_VALID_PRIORITY(STM32_I2C_I2C2_DMA_PRIORITY) |
| 949 |
#error "Invalid DMA priority assigned to I2C2" |
| 950 |
#endif
|
| 951 |
|
| 952 |
#if STM32_I2C_USE_I2C3 && \ |
| 953 |
+ STM32_I2C_I2C3_USE_DMA && \
|
| 954 |
!STM32_DMA_IS_VALID_PRIORITY(STM32_I2C_I2C3_DMA_PRIORITY) |
| 955 |
#error "Invalid DMA priority assigned to I2C3" |
| 956 |
#endif
|
| 957 |
@@ -316,7 +346,10 @@
|
| 958 |
#endif
|
| 959 |
#endif /* STM32_ADVANCED_DMA */ |
| 960 |
|
| 961 |
-#if !defined(STM32_DMA_REQUIRED)
|
| 962 |
+#if ((STM32_I2C_USE_I2C1 && STM32_I2C_I2C1_USE_DMA) || \
|
| 963 |
+ (STM32_I2C_USE_I2C2 && STM32_I2C_I2C2_USE_DMA) || \
|
| 964 |
+ (STM32_I2C_USE_I2C3 && STM32_I2C_I2C3_USE_DMA)) && \
|
| 965 |
+ !defined(STM32_DMA_REQUIRED)
|
| 966 |
#define STM32_DMA_REQUIRED
|
| 967 |
#endif
|
| 968 |
|
| 969 |
@@ -437,21 +470,52 @@ struct I2CDriver { |
| 970 |
*/ |
| 971 |
i2caddr_t addr; |
| 972 |
/**
|
| 973 |
- * @brief RX DMA mode bit mask.
|
| 974 |
- */
|
| 975 |
- uint32_t rxdmamode;
|
| 976 |
- /**
|
| 977 |
- * @brief TX DMA mode bit mask.
|
| 978 |
- */
|
| 979 |
- uint32_t txdmamode;
|
| 980 |
- /**
|
| 981 |
- * @brief Receive DMA channel.
|
| 982 |
- */
|
| 983 |
- const stm32_dma_stream_t *dmarx;
|
| 984 |
- /**
|
| 985 |
- * @brief Transmit DMA channel.
|
| 986 |
+ * @brief Anonymous union to store transmission related data for either DMA or non-DMA mode.
|
| 987 |
*/ |
| 988 |
- const stm32_dma_stream_t *dmatx;
|
| 989 |
+ union {
|
| 990 |
+ /**
|
| 991 |
+ * @brief Anonymous struct to store data for DMA mode.
|
| 992 |
+ */
|
| 993 |
+ struct {
|
| 994 |
+ /**
|
| 995 |
+ * @brief RX DMA mode bit mask.
|
| 996 |
+ */
|
| 997 |
+ uint32_t rxdmamode;
|
| 998 |
+ /**
|
| 999 |
+ * @brief TX DMA mode bit mask.
|
| 1000 |
+ */
|
| 1001 |
+ uint32_t txdmamode;
|
| 1002 |
+ /**
|
| 1003 |
+ * @brief Receive DMA channel.
|
| 1004 |
+ */
|
| 1005 |
+ const stm32_dma_stream_t *dmarx;
|
| 1006 |
+ /**
|
| 1007 |
+ * @brief Transmit DMA channel.
|
| 1008 |
+ */
|
| 1009 |
+ const stm32_dma_stream_t *dmatx;
|
| 1010 |
+ };
|
| 1011 |
+ /**
|
| 1012 |
+ * @brief Anonymous struct to store data for non-DMA mode.
|
| 1013 |
+ */
|
| 1014 |
+ struct {
|
| 1015 |
+ /**
|
| 1016 |
+ * @brief Receive buffer.
|
| 1017 |
+ */
|
| 1018 |
+ uint8_t *rxbuf;
|
| 1019 |
+ /**
|
| 1020 |
+ * @brief Size of the receive buffer.
|
| 1021 |
+ */
|
| 1022 |
+ size_t rxbytes;
|
| 1023 |
+ /**
|
| 1024 |
+ * @brief Transmit buffer.
|
| 1025 |
+ */
|
| 1026 |
+ const uint8_t *txbuf;
|
| 1027 |
+ /**
|
| 1028 |
+ * @brief Size of the transmit buffer.
|
| 1029 |
+ */
|
| 1030 |
+ size_t txbytes;
|
| 1031 |
+ };
|
| 1032 |
+ };
|
| 1033 |
/**
|
| 1034 |
* @brief Pointer to the I2Cx registers block.
|
| 1035 |
*/ |
| 1036 |
diff --git a/os/hal/ports/STM32/LLD/TIMv1/driver.mk b/os/hal/ports/STM32/LLD/TIMv1/driver.mk
|
| 1037 |
index 032d75a..13e3571 100644
|
| 1038 |
--- a/os/hal/ports/STM32/LLD/TIMv1/driver.mk
|
| 1039 |
+++ b/os/hal/ports/STM32/LLD/TIMv1/driver.mk
|
| 1040 |
@@ -10,10 +10,14 @@ endif
|
| 1041 |
ifneq ($(findstring HAL_USE_PWM TRUE,$(HALCONF)),) |
| 1042 |
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/hal_pwm_lld.c |
| 1043 |
endif |
| 1044 |
+ifneq ($(findstring HAL_USE_QEI TRUE,$(HALCONF)),)
|
| 1045 |
+PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.c
|
| 1046 |
+endif
|
| 1047 |
else |
| 1048 |
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/hal_gpt_lld.c |
| 1049 |
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/hal_icu_lld.c |
| 1050 |
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/hal_pwm_lld.c |
| 1051 |
+PLATFORMSRC += $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.c
|
| 1052 |
endif |
| 1053 |
|
| 1054 |
PLATFORMINC += $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1 |
| 1055 |
diff --git a/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.c b/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.c
|
| 1056 |
new file mode 100644
|
| 1057 |
index 0000000..700704a
|
| 1058 |
--- /dev/null
|
| 1059 |
+++ b/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.c
|
| 1060 |
@@ -0,0 +1,302 @@
|
| 1061 |
+/*
|
| 1062 |
+AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
|
| 1063 |
+Copyright (C) 2016..2018 Thomas Schöpping et al.
|
| 1064 |
+
|
| 1065 |
+This program is free software: you can redistribute it and/or modify
|
| 1066 |
+it under the terms of the GNU General Public License as published by
|
| 1067 |
+the Free Software Foundation, either version 3 of the License, or
|
| 1068 |
+(at your option) any later version.
|
| 1069 |
+
|
| 1070 |
+This program is distributed in the hope that it will be useful,
|
| 1071 |
+but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 1072 |
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 1073 |
+GNU General Public License for more details.
|
| 1074 |
+
|
| 1075 |
+You should have received a copy of the GNU General Public License
|
| 1076 |
+along with this program. If not, see <http://www.gnu.org/licenses/>.
|
| 1077 |
+*/
|
| 1078 |
+
|
| 1079 |
+/**
|
| 1080 |
+ * @file STM32/hal_qei_lld.c
|
| 1081 |
+ * @brief STM32 QEI subsystem low level driver.
|
| 1082 |
+ *
|
| 1083 |
+ * @addtogroup QEI
|
| 1084 |
+ * @{
|
| 1085 |
+ */
|
| 1086 |
+
|
| 1087 |
+#include "hal.h"
|
| 1088 |
+
|
| 1089 |
+#include "hal_qei.h"
|
| 1090 |
+
|
| 1091 |
+#if HAL_USE_QEI || defined(__DOXYGEN__)
|
| 1092 |
+
|
| 1093 |
+/*===========================================================================*/
|
| 1094 |
+/* Driver exported variables. */
|
| 1095 |
+/*===========================================================================*/
|
| 1096 |
+
|
| 1097 |
+/**
|
| 1098 |
+ * @brief QEID1 driver identifier.
|
| 1099 |
+ * @note The driver QEID1 allocates the complex timer TIM1 when enabled.
|
| 1100 |
+ */
|
| 1101 |
+#if STM32_QEI_USE_TIM1 || defined(__DOXYGEN__)
|
| 1102 |
+QEIDriver QEID1;
|
| 1103 |
+#endif
|
| 1104 |
+
|
| 1105 |
+/**
|
| 1106 |
+ * @brief QEID2 driver identifier.
|
| 1107 |
+ * @note The driver QEID1 allocates the timer TIM2 when enabled.
|
| 1108 |
+ */
|
| 1109 |
+#if STM32_QEI_USE_TIM2 || defined(__DOXYGEN__)
|
| 1110 |
+QEIDriver QEID2;
|
| 1111 |
+#endif
|
| 1112 |
+
|
| 1113 |
+/**
|
| 1114 |
+ * @brief QEID3 driver identifier.
|
| 1115 |
+ * @note The driver QEID1 allocates the timer TIM3 when enabled.
|
| 1116 |
+ */
|
| 1117 |
+#if STM32_QEI_USE_TIM3 || defined(__DOXYGEN__)
|
| 1118 |
+QEIDriver QEID3;
|
| 1119 |
+#endif
|
| 1120 |
+
|
| 1121 |
+/**
|
| 1122 |
+ * @brief QEID4 driver identifier.
|
| 1123 |
+ * @note The driver QEID4 allocates the timer TIM4 when enabled.
|
| 1124 |
+ */
|
| 1125 |
+#if STM32_QEI_USE_TIM4 || defined(__DOXYGEN__)
|
| 1126 |
+QEIDriver QEID4;
|
| 1127 |
+#endif
|
| 1128 |
+
|
| 1129 |
+/**
|
| 1130 |
+ * @brief QEID5 driver identifier.
|
| 1131 |
+ * @note The driver QEID5 allocates the timer TIM5 when enabled.
|
| 1132 |
+ */
|
| 1133 |
+#if STM32_QEI_USE_TIM5 || defined(__DOXYGEN__)
|
| 1134 |
+QEIDriver QEID5;
|
| 1135 |
+#endif
|
| 1136 |
+
|
| 1137 |
+/**
|
| 1138 |
+ * @brief QEID8 driver identifier.
|
| 1139 |
+ * @note The driver QEID8 allocates the timer TIM8 when enabled.
|
| 1140 |
+ */
|
| 1141 |
+#if STM32_QEI_USE_TIM8 || defined(__DOXYGEN__)
|
| 1142 |
+QEIDriver QEID8;
|
| 1143 |
+#endif
|
| 1144 |
+
|
| 1145 |
+/*===========================================================================*/
|
| 1146 |
+/* Driver local variables. */
|
| 1147 |
+/*===========================================================================*/
|
| 1148 |
+
|
| 1149 |
+/*===========================================================================*/
|
| 1150 |
+/* Driver local functions. */
|
| 1151 |
+/*===========================================================================*/
|
| 1152 |
+
|
| 1153 |
+/*===========================================================================*/
|
| 1154 |
+/* Driver interrupt handlers. */
|
| 1155 |
+/*===========================================================================*/
|
| 1156 |
+
|
| 1157 |
+/*===========================================================================*/
|
| 1158 |
+/* Driver exported functions. */
|
| 1159 |
+/*===========================================================================*/
|
| 1160 |
+
|
| 1161 |
+/**
|
| 1162 |
+ * @brief Low level QEI driver initialization.
|
| 1163 |
+ *
|
| 1164 |
+ * @notapi
|
| 1165 |
+ */
|
| 1166 |
+void qei_lld_init(void) {
|
| 1167 |
+
|
| 1168 |
+#if STM32_QEI_USE_TIM1
|
| 1169 |
+ /* Driver initialization.*/
|
| 1170 |
+ qeiObjectInit(&QEID1);
|
| 1171 |
+ QEID1.tim = STM32_TIM1;
|
| 1172 |
+#endif
|
| 1173 |
+
|
| 1174 |
+#if STM32_QEI_USE_TIM2
|
| 1175 |
+ /* Driver initialization.*/
|
| 1176 |
+ qeiObjectInit(&QEID2);
|
| 1177 |
+ QEID2.tim = STM32_TIM2;
|
| 1178 |
+#endif
|
| 1179 |
+
|
| 1180 |
+#if STM32_QEI_USE_TIM3
|
| 1181 |
+ /* Driver initialization.*/
|
| 1182 |
+ qeiObjectInit(&QEID3);
|
| 1183 |
+ QEID3.tim = STM32_TIM3;
|
| 1184 |
+#endif
|
| 1185 |
+
|
| 1186 |
+#if STM32_QEI_USE_TIM4
|
| 1187 |
+ /* Driver initialization.*/
|
| 1188 |
+ qeiObjectInit(&QEID4);
|
| 1189 |
+ QEID4.tim = STM32_TIM4;
|
| 1190 |
+#endif
|
| 1191 |
+
|
| 1192 |
+#if STM32_QEI_USE_TIM5
|
| 1193 |
+ /* Driver initialization.*/
|
| 1194 |
+ qeiObjectInit(&QEID5);
|
| 1195 |
+ QEID5.tim = STM32_TIM5;
|
| 1196 |
+#endif
|
| 1197 |
+
|
| 1198 |
+#if STM32_QEI_USE_TIM8
|
| 1199 |
+ /* Driver initialization.*/
|
| 1200 |
+ qeiObjectInit(&QEID8);
|
| 1201 |
+ QEID8.tim = STM32_TIM8;
|
| 1202 |
+#endif
|
| 1203 |
+}
|
| 1204 |
+
|
| 1205 |
+/**
|
| 1206 |
+ * @brief Configures and activates the QEI peripheral.
|
| 1207 |
+ *
|
| 1208 |
+ * @param[in] qeip pointer to the @p QEIDriver object
|
| 1209 |
+ *
|
| 1210 |
+ * @notapi
|
| 1211 |
+ */
|
| 1212 |
+void qei_lld_start(QEIDriver *qeip) {
|
| 1213 |
+ uint32_t arr, ccer;
|
| 1214 |
+
|
| 1215 |
+ if (qeip->state == QEI_STOP) {
|
| 1216 |
+ /* Clock activation and timer reset.*/
|
| 1217 |
+#if STM32_QEI_USE_TIM1
|
| 1218 |
+ if (&QEID1 == qeip) {
|
| 1219 |
+ rccEnableTIM1();
|
| 1220 |
+ rccResetTIM1();
|
| 1221 |
+ }
|
| 1222 |
+#endif
|
| 1223 |
+#if STM32_QEI_USE_TIM2
|
| 1224 |
+ if (&QEID2 == qeip) {
|
| 1225 |
+ rccEnableTIM2();
|
| 1226 |
+ rccResetTIM2();
|
| 1227 |
+ }
|
| 1228 |
+#endif
|
| 1229 |
+#if STM32_QEI_USE_TIM3
|
| 1230 |
+ if (&QEID3 == qeip) {
|
| 1231 |
+ rccEnableTIM3();
|
| 1232 |
+ rccResetTIM3();
|
| 1233 |
+ }
|
| 1234 |
+#endif
|
| 1235 |
+#if STM32_QEI_USE_TIM4
|
| 1236 |
+ if (&QEID4 == qeip) {
|
| 1237 |
+ rccEnableTIM4();
|
| 1238 |
+ rccResetTIM4();
|
| 1239 |
+ }
|
| 1240 |
+#endif
|
| 1241 |
+
|
| 1242 |
+#if STM32_QEI_USE_TIM5
|
| 1243 |
+ if (&QEID5 == qeip) {
|
| 1244 |
+ rccEnableTIM5();
|
| 1245 |
+ rccResetTIM5();
|
| 1246 |
+ }
|
| 1247 |
+#endif
|
| 1248 |
+#if STM32_QEI_USE_TIM8
|
| 1249 |
+ if (&QEID8 == qeip) {
|
| 1250 |
+ rccEnableTIM8();
|
| 1251 |
+ rccResetTIM8();
|
| 1252 |
+ }
|
| 1253 |
+#endif
|
| 1254 |
+ }
|
| 1255 |
+ else {
|
| 1256 |
+ /* Driver re-configuration scenario, it must be stopped first.*/
|
| 1257 |
+ qeip->tim->CR1 = 0; /* Timer disabled. */
|
| 1258 |
+ qeip->tim->DIER = 0; /* All IRQs disabled. */
|
| 1259 |
+ qeip->tim->SR = 0; /* Clear eventual pending IRQs. */
|
| 1260 |
+ qeip->tim->CCR[0] = 0; /* Comparator 1 disabled. */
|
| 1261 |
+ qeip->tim->CCR[1] = 0; /* Comparator 2 disabled. */
|
| 1262 |
+ qeip->tim->CNT = 0; /* Counter reset to zero. */
|
| 1263 |
+ }
|
| 1264 |
+
|
| 1265 |
+ /* Timer configuration.*/
|
| 1266 |
+ qeip->tim->PSC = 0;
|
| 1267 |
+ arr = qeip->config->range - 1;
|
| 1268 |
+ osalDbgAssert((arr <= 0xFFFF), "qei_lld_start(), #1" /*, "invalid range"*/);
|
| 1269 |
+ qeip->tim->ARR = arr & 0xFFFF;
|
| 1270 |
+
|
| 1271 |
+ /* CCMR1_CC1S = 01 - CH1 Input on TI1.
|
| 1272 |
+ CCMR1_CC2S = 01 - CH2 Input on TI2.*/
|
| 1273 |
+ qeip->tim->CCMR1 = TIM_CCMR1_CC1S_0 | TIM_CCMR1_CC2S_0;
|
| 1274 |
+
|
| 1275 |
+ ccer = 0;
|
| 1276 |
+ if (qeip->config->channels[0].mode == QEI_INPUT_INVERTED)
|
| 1277 |
+ ccer |= TIM_CCER_CC1P;
|
| 1278 |
+ if (qeip->config->channels[1].mode == QEI_INPUT_INVERTED)
|
| 1279 |
+ ccer |= TIM_CCER_CC2P;
|
| 1280 |
+ qeip->tim->CCER = ccer;
|
| 1281 |
+
|
| 1282 |
+ if (qeip->config->mode == QEI_COUNT_CH1)
|
| 1283 |
+ qeip->tim->SMCR = TIM_SMCR_SMS_1;
|
| 1284 |
+ else if (qeip->config->mode == QEI_COUNT_CH2)
|
| 1285 |
+ qeip->tim->SMCR = TIM_SMCR_SMS_0;
|
| 1286 |
+ else
|
| 1287 |
+ qeip->tim->SMCR = TIM_SMCR_SMS_0 | TIM_SMCR_SMS_1;
|
| 1288 |
+}
|
| 1289 |
+
|
| 1290 |
+/**
|
| 1291 |
+ * @brief Deactivates the QEI peripheral.
|
| 1292 |
+ *
|
| 1293 |
+ * @param[in] qeip pointer to the @p QEIDriver object
|
| 1294 |
+ *
|
| 1295 |
+ * @notapi
|
| 1296 |
+ */
|
| 1297 |
+void qei_lld_stop(QEIDriver *qeip) {
|
| 1298 |
+
|
| 1299 |
+ if (qeip->state == QEI_READY) {
|
| 1300 |
+ /* Clock deactivation.*/
|
| 1301 |
+ qeip->tim->CR1 = 0; /* Timer disabled. */
|
| 1302 |
+
|
| 1303 |
+#if STM32_QEI_USE_TIM1
|
| 1304 |
+ if (&QEID1 == qeip) {
|
| 1305 |
+ rccDisableTIM1();
|
| 1306 |
+ }
|
| 1307 |
+#endif
|
| 1308 |
+#if STM32_QEI_USE_TIM2
|
| 1309 |
+ if (&QEID2 == qeip) {
|
| 1310 |
+ rccDisableTIM2();
|
| 1311 |
+ }
|
| 1312 |
+#endif
|
| 1313 |
+#if STM32_QEI_USE_TIM3
|
| 1314 |
+ if (&QEID3 == qeip) {
|
| 1315 |
+ rccDisableTIM3();
|
| 1316 |
+ }
|
| 1317 |
+#endif
|
| 1318 |
+#if STM32_QEI_USE_TIM4
|
| 1319 |
+ if (&QEID4 == qeip) {
|
| 1320 |
+ rccDisableTIM4();
|
| 1321 |
+ }
|
| 1322 |
+#endif
|
| 1323 |
+#if STM32_QEI_USE_TIM5
|
| 1324 |
+ if (&QEID5 == qeip) {
|
| 1325 |
+ rccDisableTIM5();
|
| 1326 |
+ }
|
| 1327 |
+#endif
|
| 1328 |
+ }
|
| 1329 |
+#if STM32_QEI_USE_TIM8
|
| 1330 |
+ if (&QEID8 == qeip) {
|
| 1331 |
+ rccDisableTIM8();
|
| 1332 |
+ }
|
| 1333 |
+#endif
|
| 1334 |
+}
|
| 1335 |
+
|
| 1336 |
+/**
|
| 1337 |
+ * @brief Enables the quadrature encoder.
|
| 1338 |
+ *
|
| 1339 |
+ * @param[in] qeip pointer to the @p QEIDriver object
|
| 1340 |
+ *
|
| 1341 |
+ * @notapi
|
| 1342 |
+ */
|
| 1343 |
+void qei_lld_enable(QEIDriver *qeip) {
|
| 1344 |
+
|
| 1345 |
+ qeip->tim->CR1 = TIM_CR1_CEN;
|
| 1346 |
+}
|
| 1347 |
+
|
| 1348 |
+/**
|
| 1349 |
+ * @brief Disables the quadrature encoder.
|
| 1350 |
+ *
|
| 1351 |
+ * @param[in] qeip pointer to the @p QEIDriver object
|
| 1352 |
+ *
|
| 1353 |
+ * @notapi
|
| 1354 |
+ */
|
| 1355 |
+void qei_lld_disable(QEIDriver *qeip) {
|
| 1356 |
+
|
| 1357 |
+ qeip->tim->CR1 = 0;
|
| 1358 |
+}
|
| 1359 |
+
|
| 1360 |
+#endif /* HAL_USE_QEI */
|
| 1361 |
+
|
| 1362 |
+/** @} */
|
| 1363 |
diff --git a/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.h b/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.h
|
| 1364 |
new file mode 100644
|
| 1365 |
index 0000000..d4b7acc
|
| 1366 |
--- /dev/null
|
| 1367 |
+++ b/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.h
|
| 1368 |
@@ -0,0 +1,302 @@
|
| 1369 |
+/*
|
| 1370 |
+AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
|
| 1371 |
+Copyright (C) 2016..2018 Thomas Schöpping et al.
|
| 1372 |
+
|
| 1373 |
+This program is free software: you can redistribute it and/or modify
|
| 1374 |
+it under the terms of the GNU General Public License as published by
|
| 1375 |
+the Free Software Foundation, either version 3 of the License, or
|
| 1376 |
+(at your option) any later version.
|
| 1377 |
+
|
| 1378 |
+This program is distributed in the hope that it will be useful,
|
| 1379 |
+but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 1380 |
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 1381 |
+GNU General Public License for more details.
|
| 1382 |
+
|
| 1383 |
+You should have received a copy of the GNU General Public License
|
| 1384 |
+along with this program. If not, see <http://www.gnu.org/licenses/>.
|
| 1385 |
+*/
|
| 1386 |
+
|
| 1387 |
+/**
|
| 1388 |
+ * @file STM32/hal_qei_lld.h
|
| 1389 |
+ * @brief STM32 QEI subsystem low level driver header.
|
| 1390 |
+ *
|
| 1391 |
+ * @addtogroup QEI
|
| 1392 |
+ * @{
|
| 1393 |
+ */
|
| 1394 |
+
|
| 1395 |
+#ifndef _HAL_QEI_LLD_H_
|
| 1396 |
+#define _HAL_QEI_LLD_H_
|
| 1397 |
+
|
| 1398 |
+#include "stm32_tim.h"
|
| 1399 |
+
|
| 1400 |
+#if HAL_USE_QEI || defined(__DOXYGEN__)
|
| 1401 |
+
|
| 1402 |
+/*===========================================================================*/
|
| 1403 |
+/* Driver constants. */
|
| 1404 |
+/*===========================================================================*/
|
| 1405 |
+
|
| 1406 |
+/**
|
| 1407 |
+ * @brief Number of input channels per QEI driver.
|
| 1408 |
+ */
|
| 1409 |
+#define QEI_CHANNELS 2
|
| 1410 |
+
|
| 1411 |
+/*===========================================================================*/
|
| 1412 |
+/* Driver pre-compile time settings. */
|
| 1413 |
+/*===========================================================================*/
|
| 1414 |
+
|
| 1415 |
+/**
|
| 1416 |
+ * @name Configuration options
|
| 1417 |
+ * @{
|
| 1418 |
+ */
|
| 1419 |
+/**
|
| 1420 |
+ * @brief QEID1 driver enable switch.
|
| 1421 |
+ * @details If set to @p TRUE the support for QEID1 is included.
|
| 1422 |
+ * @note The default is @p TRUE.
|
| 1423 |
+ */
|
| 1424 |
+#if !defined(STM32_QEI_USE_TIM1) || defined(__DOXYGEN__)
|
| 1425 |
+#define STM32_QEI_USE_TIM1 TRUE
|
| 1426 |
+#endif
|
| 1427 |
+
|
| 1428 |
+/**
|
| 1429 |
+ * @brief QEID2 driver enable switch.
|
| 1430 |
+ * @details If set to @p TRUE the support for QEID2 is included.
|
| 1431 |
+ * @note The default is @p TRUE.
|
| 1432 |
+ */
|
| 1433 |
+#if !defined(STM32_QEI_USE_TIM2) || defined(__DOXYGEN__)
|
| 1434 |
+#define STM32_QEI_USE_TIM2 TRUE
|
| 1435 |
+#endif
|
| 1436 |
+
|
| 1437 |
+/**
|
| 1438 |
+ * @brief QEID3 driver enable switch.
|
| 1439 |
+ * @details If set to @p TRUE the support for QEID3 is included.
|
| 1440 |
+ * @note The default is @p TRUE.
|
| 1441 |
+ */
|
| 1442 |
+#if !defined(STM32_QEI_USE_TIM3) || defined(__DOXYGEN__)
|
| 1443 |
+#define STM32_QEI_USE_TIM3 TRUE
|
| 1444 |
+#endif
|
| 1445 |
+
|
| 1446 |
+/**
|
| 1447 |
+ * @brief QEID4 driver enable switch.
|
| 1448 |
+ * @details If set to @p TRUE the support for QEID4 is included.
|
| 1449 |
+ * @note The default is @p TRUE.
|
| 1450 |
+ */
|
| 1451 |
+#if !defined(STM32_QEI_USE_TIM4) || defined(__DOXYGEN__)
|
| 1452 |
+#define STM32_QEI_USE_TIM4 TRUE
|
| 1453 |
+#endif
|
| 1454 |
+
|
| 1455 |
+/**
|
| 1456 |
+ * @brief QEID5 driver enable switch.
|
| 1457 |
+ * @details If set to @p TRUE the support for QEID5 is included.
|
| 1458 |
+ * @note The default is @p TRUE.
|
| 1459 |
+ */
|
| 1460 |
+#if !defined(STM32_QEI_USE_TIM5) || defined(__DOXYGEN__)
|
| 1461 |
+#define STM32_QEI_USE_TIM5 TRUE
|
| 1462 |
+#endif
|
| 1463 |
+
|
| 1464 |
+/**
|
| 1465 |
+ * @brief QEID8 driver enable switch.
|
| 1466 |
+ * @details If set to @p TRUE the support for QEID8 is included.
|
| 1467 |
+ * @note The default is @p TRUE.
|
| 1468 |
+ */
|
| 1469 |
+#if !defined(STM32_QEI_USE_TIM8) || defined(__DOXYGEN__)
|
| 1470 |
+#define STM32_QEI_USE_TIM8 TRUE
|
| 1471 |
+#endif
|
| 1472 |
+/** @} */
|
| 1473 |
+
|
| 1474 |
+/*===========================================================================*/
|
| 1475 |
+/* Derived constants and error checks. */
|
| 1476 |
+/*===========================================================================*/
|
| 1477 |
+
|
| 1478 |
+#if STM32_QEI_USE_TIM1 && !STM32_HAS_TIM1
|
| 1479 |
+#error "TIM1 not present in the selected device"
|
| 1480 |
+#endif
|
| 1481 |
+
|
| 1482 |
+#if STM32_QEI_USE_TIM2 && !STM32_HAS_TIM2
|
| 1483 |
+#error "TIM2 not present in the selected device"
|
| 1484 |
+#endif
|
| 1485 |
+
|
| 1486 |
+#if STM32_QEI_USE_TIM3 && !STM32_HAS_TIM3
|
| 1487 |
+#error "TIM3 not present in the selected device"
|
| 1488 |
+#endif
|
| 1489 |
+
|
| 1490 |
+#if STM32_QEI_USE_TIM4 && !STM32_HAS_TIM4
|
| 1491 |
+#error "TIM4 not present in the selected device"
|
| 1492 |
+#endif
|
| 1493 |
+
|
| 1494 |
+#if STM32_QEI_USE_TIM5 && !STM32_HAS_TIM5
|
| 1495 |
+#error "TIM5 not present in the selected device"
|
| 1496 |
+#endif
|
| 1497 |
+
|
| 1498 |
+#if STM32_QEI_USE_TIM8 && !STM32_HAS_TIM8
|
| 1499 |
+#error "TIM8 not present in the selected device"
|
| 1500 |
+#endif
|
| 1501 |
+
|
| 1502 |
+#if !STM32_QEI_USE_TIM1 && !STM32_QEI_USE_TIM2 && \
|
| 1503 |
+ !STM32_QEI_USE_TIM3 && !STM32_QEI_USE_TIM4 && \
|
| 1504 |
+ !STM32_QEI_USE_TIM5 && !STM32_QEI_USE_TIM8
|
| 1505 |
+#error "QEI driver activated but no TIM peripheral assigned"
|
| 1506 |
+#endif
|
| 1507 |
+
|
| 1508 |
+/*===========================================================================*/
|
| 1509 |
+/* Driver data structures and types. */
|
| 1510 |
+/*===========================================================================*/
|
| 1511 |
+
|
| 1512 |
+/**
|
| 1513 |
+ * @brief QEI driver mode.
|
| 1514 |
+ */
|
| 1515 |
+typedef enum {
|
| 1516 |
+ QEI_COUNT_BOTH = 0,
|
| 1517 |
+ QEI_COUNT_CH1 = 1,
|
| 1518 |
+ QEI_COUNT_CH2 = 2,
|
| 1519 |
+} qeimode_t;
|
| 1520 |
+
|
| 1521 |
+/**
|
| 1522 |
+ * @brief QEI input mode.
|
| 1523 |
+ */
|
| 1524 |
+typedef enum {
|
| 1525 |
+ QEI_INPUT_NONINVERTED = 0, /**< Input channel noninverted.*/
|
| 1526 |
+ QEI_INPUT_INVERTED = 1, /**< Input channel inverted.*/
|
| 1527 |
+} qeiinputmode_t;
|
| 1528 |
+
|
| 1529 |
+/**
|
| 1530 |
+ * @brief QEI count type.
|
| 1531 |
+ */
|
| 1532 |
+typedef uint32_t qeicnt_t;
|
| 1533 |
+
|
| 1534 |
+/**
|
| 1535 |
+ * @brief Driver channel configuration structure.
|
| 1536 |
+ */
|
| 1537 |
+typedef struct {
|
| 1538 |
+ /**
|
| 1539 |
+ * @brief Channel input logic.
|
| 1540 |
+ */
|
| 1541 |
+ qeiinputmode_t mode;
|
| 1542 |
+ /* End of the mandatory fields.*/
|
| 1543 |
+} QEIChannelConfig;
|
| 1544 |
+
|
| 1545 |
+/**
|
| 1546 |
+ * @brief Driver configuration structure.
|
| 1547 |
+ */
|
| 1548 |
+typedef struct {
|
| 1549 |
+ /**
|
| 1550 |
+ * @brief Driver mode.
|
| 1551 |
+ */
|
| 1552 |
+ qeimode_t mode;
|
| 1553 |
+ /**
|
| 1554 |
+ * @brief Channels configurations.
|
| 1555 |
+ */
|
| 1556 |
+ QEIChannelConfig channels[QEI_CHANNELS];
|
| 1557 |
+ /**
|
| 1558 |
+ * @brief Range in pulses.
|
| 1559 |
+ */
|
| 1560 |
+ qeicnt_t range;
|
| 1561 |
+ /* End of the mandatory fields.*/
|
| 1562 |
+} QEIConfig;
|
| 1563 |
+
|
| 1564 |
+/**
|
| 1565 |
+ * @brief Structure representing an QEI driver.
|
| 1566 |
+ */
|
| 1567 |
+struct QEIDriver {
|
| 1568 |
+ /**
|
| 1569 |
+ * @brief Driver state.
|
| 1570 |
+ */
|
| 1571 |
+ qeistate_t state;
|
| 1572 |
+ /**
|
| 1573 |
+ * @brief Current configuration data.
|
| 1574 |
+ */
|
| 1575 |
+ const QEIConfig *config;
|
| 1576 |
+#if defined(QEI_DRIVER_EXT_FIELDS)
|
| 1577 |
+ QEI_DRIVER_EXT_FIELDS
|
| 1578 |
+#endif
|
| 1579 |
+ /* End of the mandatory fields.*/
|
| 1580 |
+ /**
|
| 1581 |
+ * @brief Pointer to the TIMx registers block.
|
| 1582 |
+ */
|
| 1583 |
+ stm32_tim_t *tim;
|
| 1584 |
+};
|
| 1585 |
+
|
| 1586 |
+/*===========================================================================*/
|
| 1587 |
+/* Driver macros. */
|
| 1588 |
+/*===========================================================================*/
|
| 1589 |
+
|
| 1590 |
+/**
|
| 1591 |
+ * @brief Returns the direction of the last transition.
|
| 1592 |
+ * @details The direction is defined as boolean and is
|
| 1593 |
+ * calculated at each transition on any input.
|
| 1594 |
+ *
|
| 1595 |
+ * @param[in] qeip pointer to the @p QEIDriver object
|
| 1596 |
+ * @return The request direction.
|
| 1597 |
+ * @retval FALSE Position counted up.
|
| 1598 |
+ * @retval TRUE Position counted down.
|
| 1599 |
+ *
|
| 1600 |
+ * @iclass
|
| 1601 |
+ */
|
| 1602 |
+#define qei_lld_get_direction(qeip) !!((qeip)->tim->CR1 & TIM_CR1_DIR)
|
| 1603 |
+
|
| 1604 |
+/**
|
| 1605 |
+ * @brief Returns the position of the encoder.
|
| 1606 |
+ * @details The position is defined as number of pulses since last reset.
|
| 1607 |
+ *
|
| 1608 |
+ * @param[in] qeip pointer to the @p QEIDriver object
|
| 1609 |
+ * @return The number of pulses.
|
| 1610 |
+ *
|
| 1611 |
+ * @iclass
|
| 1612 |
+ */
|
| 1613 |
+#define qei_lld_get_position(qeip) ((qeip)->tim->CNT)
|
| 1614 |
+
|
| 1615 |
+/**
|
| 1616 |
+ * @brief Returns the range of the encoder.
|
| 1617 |
+ * @details The range is defined as number of maximum pulse count.
|
| 1618 |
+ *
|
| 1619 |
+ * @param[in] qeip pointer to the @p QEIDriver object
|
| 1620 |
+ * @return The number of pulses.
|
| 1621 |
+ *
|
| 1622 |
+ * @iclass
|
| 1623 |
+ */
|
| 1624 |
+#define qei_lld_get_range(qeip) ((qeip)->tim->ARR + 1)
|
| 1625 |
+
|
| 1626 |
+/*===========================================================================*/
|
| 1627 |
+/* External declarations. */
|
| 1628 |
+/*===========================================================================*/
|
| 1629 |
+
|
| 1630 |
+#if STM32_QEI_USE_TIM1 && !defined(__DOXYGEN__)
|
| 1631 |
+extern QEIDriver QEID1;
|
| 1632 |
+#endif
|
| 1633 |
+
|
| 1634 |
+#if STM32_QEI_USE_TIM2 && !defined(__DOXYGEN__)
|
| 1635 |
+extern QEIDriver QEID2;
|
| 1636 |
+#endif
|
| 1637 |
+
|
| 1638 |
+#if STM32_QEI_USE_TIM3 && !defined(__DOXYGEN__)
|
| 1639 |
+extern QEIDriver QEID3;
|
| 1640 |
+#endif
|
| 1641 |
+
|
| 1642 |
+#if STM32_QEI_USE_TIM4 && !defined(__DOXYGEN__)
|
| 1643 |
+extern QEIDriver QEID4;
|
| 1644 |
+#endif
|
| 1645 |
+
|
| 1646 |
+#if STM32_QEI_USE_TIM5 && !defined(__DOXYGEN__)
|
| 1647 |
+extern QEIDriver QEID5;
|
| 1648 |
+#endif
|
| 1649 |
+
|
| 1650 |
+#if STM32_QEI_USE_TIM8 && !defined(__DOXYGEN__)
|
| 1651 |
+extern QEIDriver QEID8;
|
| 1652 |
+#endif
|
| 1653 |
+
|
| 1654 |
+#ifdef __cplusplus
|
| 1655 |
+extern "C" {
|
| 1656 |
+#endif
|
| 1657 |
+ void qei_lld_init(void);
|
| 1658 |
+ void qei_lld_start(QEIDriver *qeip);
|
| 1659 |
+ void qei_lld_stop(QEIDriver *qeip);
|
| 1660 |
+ void qei_lld_enable(QEIDriver *qeip);
|
| 1661 |
+ void qei_lld_disable(QEIDriver *qeip);
|
| 1662 |
+#ifdef __cplusplus
|
| 1663 |
+}
|
| 1664 |
+#endif
|
| 1665 |
+
|
| 1666 |
+#endif /* HAL_USE_QEI */
|
| 1667 |
+
|
| 1668 |
+#endif /* _HAL_QEI_LLD_H_ */
|
| 1669 |
+
|
| 1670 |
+/** @} */
|
| 1671 |
diff --git a/os/hal/src/hal_qei.c b/os/hal/src/hal_qei.c
|
| 1672 |
new file mode 100644
|
| 1673 |
index 0000000..c08d175
|
| 1674 |
--- /dev/null
|
| 1675 |
+++ b/os/hal/src/hal_qei.c
|
| 1676 |
@@ -0,0 +1,156 @@
|
| 1677 |
+/*
|
| 1678 |
+AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
|
| 1679 |
+Copyright (C) 2016..2018 Thomas Schöpping et al.
|
| 1680 |
+
|
| 1681 |
+This program is free software: you can redistribute it and/or modify
|
| 1682 |
+it under the terms of the GNU General Public License as published by
|
| 1683 |
+the Free Software Foundation, either version 3 of the License, or
|
| 1684 |
+(at your option) any later version.
|
| 1685 |
+
|
| 1686 |
+This program is distributed in the hope that it will be useful,
|
| 1687 |
+but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 1688 |
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 1689 |
+GNU General Public License for more details.
|
| 1690 |
+
|
| 1691 |
+You should have received a copy of the GNU General Public License
|
| 1692 |
+along with this program. If not, see <http://www.gnu.org/licenses/>.
|
| 1693 |
+*/
|
| 1694 |
+
|
| 1695 |
+/**
|
| 1696 |
+ * @file hal_qei.c
|
| 1697 |
+ * @brief QEI Driver code.
|
| 1698 |
+ *
|
| 1699 |
+ * @addtogroup QEI
|
| 1700 |
+ * @{
|
| 1701 |
+ */
|
| 1702 |
+
|
| 1703 |
+#include "hal.h"
|
| 1704 |
+#include "hal_qei.h"
|
| 1705 |
+
|
| 1706 |
+#if HAL_USE_QEI || defined(__DOXYGEN__)
|
| 1707 |
+
|
| 1708 |
+/*===========================================================================*/
|
| 1709 |
+/* Driver local definitions. */
|
| 1710 |
+/*===========================================================================*/
|
| 1711 |
+
|
| 1712 |
+/*===========================================================================*/
|
| 1713 |
+/* Driver exported variables. */
|
| 1714 |
+/*===========================================================================*/
|
| 1715 |
+
|
| 1716 |
+/*===========================================================================*/
|
| 1717 |
+/* Driver local variables. */
|
| 1718 |
+/*===========================================================================*/
|
| 1719 |
+
|
| 1720 |
+/*===========================================================================*/
|
| 1721 |
+/* Driver local functions. */
|
| 1722 |
+/*===========================================================================*/
|
| 1723 |
+
|
| 1724 |
+/*===========================================================================*/
|
| 1725 |
+/* Driver exported functions. */
|
| 1726 |
+/*===========================================================================*/
|
| 1727 |
+
|
| 1728 |
+/**
|
| 1729 |
+ * @brief QEI Driver initialization.
|
| 1730 |
+ * @note This function is implicitly invoked by @p halInit(), there is
|
| 1731 |
+ * no need to explicitly initialize the driver.
|
| 1732 |
+ *
|
| 1733 |
+ * @init
|
| 1734 |
+ */
|
| 1735 |
+void qeiInit(void) {
|
| 1736 |
+
|
| 1737 |
+ qei_lld_init();
|
| 1738 |
+}
|
| 1739 |
+
|
| 1740 |
+/**
|
| 1741 |
+ * @brief Initializes the standard part of a @p QEIDriver structure.
|
| 1742 |
+ *
|
| 1743 |
+ * @param[out] qeip pointer to the @p QEIDriver object
|
| 1744 |
+ *
|
| 1745 |
+ * @init
|
| 1746 |
+ */
|
| 1747 |
+void qeiObjectInit(QEIDriver *qeip) {
|
| 1748 |
+
|
| 1749 |
+ qeip->state = QEI_STOP;
|
| 1750 |
+ qeip->config = NULL;
|
| 1751 |
+}
|
| 1752 |
+
|
| 1753 |
+/**
|
| 1754 |
+ * @brief Configures and activates the QEI peripheral.
|
| 1755 |
+ *
|
| 1756 |
+ * @param[in] qeip pointer to the @p QEIDriver object
|
| 1757 |
+ * @param[in] config pointer to the @p QEIConfig object
|
| 1758 |
+ *
|
| 1759 |
+ * @api
|
| 1760 |
+ */
|
| 1761 |
+void qeiStart(QEIDriver *qeip, const QEIConfig *config) {
|
| 1762 |
+
|
| 1763 |
+ chDbgCheck((qeip != NULL) && (config != NULL) /*, "qeiStart"*/);
|
| 1764 |
+
|
| 1765 |
+ chSysLock();
|
| 1766 |
+ chDbgAssert((qeip->state == QEI_STOP) || (qeip->state == QEI_READY),
|
| 1767 |
+ "qeiStart(), #1" /*, "invalid state"*/);
|
| 1768 |
+ qeip->config = config;
|
| 1769 |
+ qei_lld_start(qeip);
|
| 1770 |
+ qeip->state = QEI_READY;
|
| 1771 |
+ chSysUnlock();
|
| 1772 |
+}
|
| 1773 |
+
|
| 1774 |
+/**
|
| 1775 |
+ * @brief Deactivates the QEI peripheral.
|
| 1776 |
+ *
|
| 1777 |
+ * @param[in] qeip pointer to the @p QEIDriver object
|
| 1778 |
+ *
|
| 1779 |
+ * @api
|
| 1780 |
+ */
|
| 1781 |
+void qeiStop(QEIDriver *qeip) {
|
| 1782 |
+
|
| 1783 |
+ chDbgCheck(qeip != NULL /*, "qeiStop"*/);
|
| 1784 |
+
|
| 1785 |
+ chSysLock();
|
| 1786 |
+ chDbgAssert((qeip->state == QEI_STOP) || (qeip->state == QEI_READY),
|
| 1787 |
+ "qeiStop(), #1" /*, "invalid state"*/);
|
| 1788 |
+ qei_lld_stop(qeip);
|
| 1789 |
+ qeip->state = QEI_STOP;
|
| 1790 |
+ chSysUnlock();
|
| 1791 |
+}
|
| 1792 |
+
|
| 1793 |
+/**
|
| 1794 |
+ * @brief Enables the quadrature encoder.
|
| 1795 |
+ *
|
| 1796 |
+ * @param[in] qeip pointer to the @p QEIDriver object
|
| 1797 |
+ *
|
| 1798 |
+ * @api
|
| 1799 |
+ */
|
| 1800 |
+void qeiEnable(QEIDriver *qeip) {
|
| 1801 |
+
|
| 1802 |
+ chDbgCheck(qeip != NULL /*, "qeiEnable"*/);
|
| 1803 |
+
|
| 1804 |
+ chSysLock();
|
| 1805 |
+ chDbgAssert(qeip->state == QEI_READY, "qeiEnable(), #1" /*, "invalid state"*/);
|
| 1806 |
+ qei_lld_enable(qeip);
|
| 1807 |
+ qeip->state = QEI_ACTIVE;
|
| 1808 |
+ chSysUnlock();
|
| 1809 |
+}
|
| 1810 |
+
|
| 1811 |
+/**
|
| 1812 |
+ * @brief Disables the quadrature encoder.
|
| 1813 |
+ *
|
| 1814 |
+ * @param[in] qeip pointer to the @p QEIDriver object
|
| 1815 |
+ *
|
| 1816 |
+ * @api
|
| 1817 |
+ */
|
| 1818 |
+void qeiDisable(QEIDriver *qeip) {
|
| 1819 |
+
|
| 1820 |
+ chDbgCheck(qeip != NULL /*, "qeiDisable"*/);
|
| 1821 |
+
|
| 1822 |
+ chSysLock();
|
| 1823 |
+ chDbgAssert((qeip->state == QEI_READY) || (qeip->state == QEI_ACTIVE),
|
| 1824 |
+ "qeiDisable(), #1" /*, "invalid state"*/);
|
| 1825 |
+ qei_lld_disable(qeip);
|
| 1826 |
+ qeip->state = QEI_READY;
|
| 1827 |
+ chSysUnlock();
|
| 1828 |
+}
|
| 1829 |
+
|
| 1830 |
+#endif /* HAL_USE_QEI */
|
| 1831 |
+
|
| 1832 |
+/** @} */
|