Revision e7af07e7
| drivers/P9221R/v1/alld_P9221R.c | ||
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/* |
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AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform. |
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Copyright (C) 2016..2019 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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| 6 |
it under the terms of the GNU Lesser General Public License as published by |
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| 7 |
the Free Software Foundation, either version 3 of the License, or |
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| 8 |
(at your option) any later version. |
|
| 9 |
|
|
| 10 |
This program is distributed in the hope that it will be useful, |
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| 11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 |
GNU Lesser General Public License for more details. |
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| 14 |
|
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| 15 |
You should have received a copy of the GNU Lesser 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 alld_P9221R.c |
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* |
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* @brief Power Monitor function implementations |
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* |
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* @addtogroup lld_power |
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* @{
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*/ |
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#include <alld_P9221R.h> |
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/******************************************************************************/ |
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/* LOCAL DEFINITIONS */ |
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/******************************************************************************/ |
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/******************************************************************************/ |
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/* EXPORTED VARIABLES */ |
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/******************************************************************************/ |
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/******************************************************************************/ |
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/* LOCAL TYPES */ |
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/******************************************************************************/ |
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|
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/******************************************************************************/ |
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/* LOCAL VARIABLES */ |
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/******************************************************************************/ |
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|
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/******************************************************************************/ |
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/* LOCAL FUNCTIONS */ |
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/******************************************************************************/ |
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/******************************************************************************/ |
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/* EXPORTED FUNCTIONS */ |
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/******************************************************************************/ |
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|
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/** |
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* @brief Read the value of one or more of the registers. |
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* @param[in] i2cd i2c driver |
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* @param[in] PRd p9221r driver |
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* @param[in] addr register address |
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* @param[out] data register content |
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* @param[in] num number of subsequent registers to read |
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* @param[in] timeout timeout |
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* @return An indicator whether the call was successfull |
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*/ |
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apalExitStatus_t p9221r_lld_read_register(const P9221RDriver* const p9221r, const p9221r_lld_register_t addr, uint8_t* const data, const uint8_t num, const apalTime_t timeout) |
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{
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apalDbgAssert(p9221r != NULL); |
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apalDbgAssert(p9221r->i2cd != NULL); |
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apalDbgAssert(data != NULL); |
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uint8_t tx[2] = {(addr & 0xFF00) >> 8, addr & 0x00FF};
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apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), tx, 2, data, num, timeout); |
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return status; |
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} |
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/** |
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* @brief Write the value of one or more of the registers. |
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* @param[in] i2cd i2c driver |
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* @param[in] PRd p9221r driver |
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* @param[in] addr register address |
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* @param[in] data data to write |
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* @param[in] num number of subsequent registers to read |
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* @param[in] timeout timeout |
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* @return An indicator whether the call was successfull |
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*/ |
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apalExitStatus_t p9221r_lld_write_register(const P9221RDriver* const p9221r, const p9221r_lld_register_t addr, const uint16_t* const data, const uint8_t num, const apalTime_t timeout) |
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{
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apalDbgAssert(p9221r != NULL); |
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apalDbgAssert(p9221r->i2cd != NULL); |
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apalDbgAssert(data != NULL); |
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uint8_t buffer[1+2*num]; |
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buffer[0] = addr; |
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for (uint8_t dataIdx = 0; dataIdx < num; dataIdx++) {
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buffer[dataIdx*2+1] = data[dataIdx] >> 8; |
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buffer[dataIdx*2+2] = data[dataIdx] & (0x00FFu); |
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} |
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return apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), buffer, 1+2*num, NULL, 0, timeout); |
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} |
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/** |
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* @brief Read the x_alignment. |
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* @param[in] i2cd i2c driver |
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* @param[in] PRd p9221r driver |
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* @param[out] x_alignment alignment register content |
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* @param[in] timeout timeout |
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* @return An indicator whether the call was successfull |
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*/ |
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apalExitStatus_t p9221r_lld_read_x_alignment(const P9221RDriver* const p9221r, int8_t* const x_alignment, const apalTime_t timeout) |
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{
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uint8_t addr[2] = {(P9221R_LLD_REGISTER_ALIGNMENT_X & 0xFF00) >> 8, P9221R_LLD_REGISTER_ALIGNMENT_X & 0x00FF};
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apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, (uint8_t*)x_alignment, 2, timeout); // TODO check if implicit cast is ok (uint) |
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return status; |
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} |
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/** |
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* @brief Read the y_alignment. |
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* @param[in] i2cd i2c driver |
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* @param[in] PRd p9221r driver |
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* @param[out] y_alignment alignment register content |
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* @param[in] timeout timeout |
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* @return An indicator whether the call was successfull |
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*/ |
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apalExitStatus_t p9221r_lld_read_y_alignment(const P9221RDriver* const p9221r, int8_t* const y_alignment, const apalTime_t timeout) |
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{
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uint8_t addr[2] = {(P9221R_LLD_REGISTER_ALIGNMENT_Y & 0xFF00) >> 8, P9221R_LLD_REGISTER_ALIGNMENT_Y & 0x00FF};
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apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, (uint8_t*)y_alignment, 2, timeout); // TODO check if implicit cast is ok (uint) |
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return status; |
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} |
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/** |
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* @brief Read the voltage. |
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* @param[in] i2cd i2c driver |
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* @param[in] PRd p9221r driver |
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* @param[out] voltage voltage register content |
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* @param[in] timeout timeout |
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* @return An indicator whether the call was successfull |
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*/ |
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apalExitStatus_t p9221r_lld_read_voltage(const P9221RDriver* const p9221r, float* const voltage, const apalTime_t timeout) |
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{
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uint8_t addr[2] = {(P9221R_LLD_REGISTER_OUTPUT_VOLTAGE_LSB & 0xFF00) >> 8, P9221R_LLD_REGISTER_OUTPUT_VOLTAGE_LSB & 0x00FF};
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uint8_t buffer[2]; |
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uint16_t value; |
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apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, buffer, 2, timeout); |
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value = ((buffer[1] & 0x0F) << 8) | buffer[0]; // 4MSB are in buffer[1] so we shift and mask, 8LSB are in buffer[0] |
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*voltage = (((float) value) * 6 * 2.1f)/4095.0f; |
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return status; |
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} |
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/** |
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* @brief Read the current. |
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* @param[in] i2cd i2c driver |
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* @param[in] PRd p9221r driver |
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* @param[out] current register content |
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* @param[in] timeout timeout |
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* @return An indicator whether the call was successfull |
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*/ |
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apalExitStatus_t p9221r_lld_read_current(const P9221RDriver* const p9221r, float* const current, const apalTime_t timeout) |
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{
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uint8_t addr[2] = {(P9221R_LLD_REGISTER_IOUT_CURRENT_LSB & 0xFF00) >> 8, P9221R_LLD_REGISTER_IOUT_CURRENT_LSB & 0x00FF};
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uint8_t buffer[2]; |
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uint16_t value; |
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apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, buffer, 2, timeout); |
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value = (buffer[1] << 8) | buffer[0]; // 8MSB are in buffer[1] so we shift, 8LSB are in buffer[0] |
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*current = (((float) value) * 2 * 2.1f)/4095.0f; |
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return status; |
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} |
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/** @} */ |
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|
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| drivers/P9221R/v1/alld_P9221R.h | ||
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/* |
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AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform. |
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Copyright (C) 2016..2019 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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| 6 |
it under the terms of the GNU Lesser General Public License as published by |
|
| 7 |
the Free Software Foundation, either version 3 of the License, or |
|
| 8 |
(at your option) any later version. |
|
| 9 |
|
|
| 10 |
This program is distributed in the hope that it will be useful, |
|
| 11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 13 |
GNU Lesser General Public License for more details. |
|
| 14 |
|
|
| 15 |
You should have received a copy of the GNU Lesser General Public License |
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| 16 |
along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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/** |
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* @file alld_P9221R.h |
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* @brief Power Monitor macros and structures. |
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* |
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* @addtogroup lld_power |
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* @{
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*/ |
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#ifndef AMIROLLD_P9221R_H |
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#define AMIROLLD_P9221R_H |
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#include <amiro-lld.h> |
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/******************************************************************************/ |
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/* CONSTANTS */ |
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/******************************************************************************/ |
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/** |
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* @brief Maximum I2C frequency. |
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*/ |
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#define P9221R_LLD_I2C_MAXFREQUENCY 400000 |
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/******************************************************************************/ |
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/* SETTINGS */ |
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/******************************************************************************/ |
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/******************************************************************************/ |
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/* CHECKS */ |
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/******************************************************************************/ |
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/******************************************************************************/ |
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/* DATA STRUCTURES AND TYPES */ |
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/******************************************************************************/ |
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/** |
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* @brief I2C address masks. |
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*/ |
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enum {
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P9221R_LLD_I2C_ADDR_FIXED = 0x0061u, |
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}; |
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/** |
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* @brief Registers. |
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*/ |
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typedef enum {
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P9221R_LLD_REGISTER_PARTNUMBER = 0x0000, |
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P9221R_LLD_REGISTER_INTERRUPTENABLE = 0x0038, |
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// Writeable Registers |
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P9221R_LLD_REGISTER_BATTERY_STATUS_SENT = 0x003A, |
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P9221R_LLD_REGISTER_END_POWER_TRANSFER = 0x003B, |
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// Read-Only Registers |
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P9221R_LLD_REGISTER_OUTPUT_VOLTAGE_LSB = 0x003C, |
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P9221R_LLD_REGISTER_OUTPUT_VOLTAGE_MSB = 0x003D, |
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P9221R_LLD_REGISTER_IOUT_CURRENT_LSB = 0x0044, |
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P9221R_LLD_REGISTER_IOUT_CURRENT_MSB = 0x0045, |
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P9221R_LLD_REGISTER_OPERATING_FREQUENCY_MSB = 0x0048, |
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P9221R_LLD_REGISTER_OPERATING_FREQUENCY_LSB = 0x0049, |
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P9221R_LLD_REGISTER_ALIGNMENT_X = 0x004B, |
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P9221R_LLD_REGISTER_ALIGNMENT_Y = 0x004C, |
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} p9221r_lld_register_t; |
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typedef struct {
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apalI2CDriver_t* i2cd; |
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apalI2Caddr_t addr; |
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uint16_t current_lsb_uA; |
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//P9221R_lld_cfg_t *config; |
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} P9221RDriver; |
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/******************************************************************************/ |
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/* MACROS */ |
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/******************************************************************************/ |
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/******************************************************************************/ |
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/* EXTERN DECLARATIONS */ |
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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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apalExitStatus_t p9221r_lld_read_register(const P9221RDriver* const p9221r, const p9221r_lld_register_t addr, uint8_t* const data, const uint8_t num, const apalTime_t timeout); |
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apalExitStatus_t p9221r_lld_write_register(const P9221RDriver* const p9221r, const p9221r_lld_register_t addr, const uint16_t* const data, const uint8_t num, const apalTime_t timeout); |
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apalExitStatus_t p9221r_lld_read_x_alignment(const P9221RDriver* const p9221r, int8_t* const x_alignment, const apalTime_t timeout); |
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apalExitStatus_t p9221r_lld_read_y_alignment(const P9221RDriver* const p9221r, int8_t* const y_alignment, const apalTime_t timeout); |
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apalExitStatus_t p9221r_lld_read_voltage(const P9221RDriver* const p9221r, float* const voltage, const apalTime_t timeout); |
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apalExitStatus_t p9221r_lld_read_current(const P9221RDriver* const p9221r, float* const current, const apalTime_t timeout); |
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#ifdef __cplusplus |
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} |
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#endif |
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/******************************************************************************/ |
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/* INLINE FUNCTIONS */ |
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/******************************************************************************/ |
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#endif /* AMIROLLD_P9221R_H */ |
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/** @} */ |
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|
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| include/P9221R/alld_P9221R.h | ||
|---|---|---|
| 1 |
/* |
|
| 2 |
AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform. |
|
| 3 |
Copyright (C) 2016..2019 Thomas Schöpping et al. |
|
| 4 |
|
|
| 5 |
This program is free software: you can redistribute it and/or modify |
|
| 6 |
it under the terms of the GNU Lesser General Public License as published by |
|
| 7 |
the Free Software Foundation, either version 3 of the License, or |
|
| 8 |
(at your option) any later version. |
|
| 9 |
|
|
| 10 |
This program is distributed in the hope that it will be useful, |
|
| 11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 13 |
GNU Lesser General Public License for more details. |
|
| 14 |
|
|
| 15 |
You should have received a copy of the GNU Lesser General Public License |
|
| 16 |
along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
| 17 |
*/ |
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| 18 |
|
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/** |
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* @file alld_P9221R.h |
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* |
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* @addtogroup lld_power |
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* @{
|
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*/ |
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#ifndef AMIROLLD_P9221R_H |
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#define AMIROLLD_P9221R_H |
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#include <amiro-lld.h> |
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#if defined(AMIROLLD_CFG_P9221R) |
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#if (AMIROLLD_CFG_P9221R == 1) |
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#include "v1/alld_P9221R_v1.h" |
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#else |
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#error "invalid value assigned to AMIROLLD_CFG_P9221R in alldconf.h" |
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#endif |
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#endif /* defined(AMIROLLD_CFG_P9221R) */ |
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#endif /* AMIROLLD_P9221R_H */ |
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|
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/** @} */ |
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| include/P9221R/v1/alld_P9221R_v1.h | ||
|---|---|---|
| 1 |
/* |
|
| 2 |
AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform. |
|
| 3 |
Copyright (C) 2016..2019 Thomas Schöpping et al. |
|
| 4 |
|
|
| 5 |
This program is free software: you can redistribute it and/or modify |
|
| 6 |
it under the terms of the GNU Lesser General Public License as published by |
|
| 7 |
the Free Software Foundation, either version 3 of the License, or |
|
| 8 |
(at your option) any later version. |
|
| 9 |
|
|
| 10 |
This program is distributed in the hope that it will be useful, |
|
| 11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 13 |
GNU Lesser General Public License for more details. |
|
| 14 |
|
|
| 15 |
You should have received a copy of the GNU Lesser General Public License |
|
| 16 |
along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
| 17 |
*/ |
|
| 18 |
|
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| 19 |
/** |
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| 20 |
* @file alld_P9221R_v1.h |
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| 21 |
* @brief Power Monitor macros and structures. |
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| 22 |
* |
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| 23 |
* @addtogroup lld_power |
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| 24 |
* @{
|
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| 25 |
*/ |
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| 26 |
|
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| 27 |
#ifndef AMIROLLD_P9221R_V1_H |
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#define AMIROLLD_P9221R_V1_H |
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|
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#include <amiro-lld.h> |
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|
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#if (defined(AMIROLLD_CFG_P9221R) && (AMIROLLD_CFG_P9221R == 1)) || defined(__DOXYGEN__) |
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|
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| 34 |
/******************************************************************************/ |
|
| 35 |
/* CONSTANTS */ |
|
| 36 |
/******************************************************************************/ |
|
| 37 |
|
|
| 38 |
/** |
|
| 39 |
* @brief Maximum I2C frequency. |
|
| 40 |
*/ |
|
| 41 |
#define P9221R_LLD_I2C_MAXFREQUENCY 400000 |
|
| 42 |
|
|
| 43 |
/******************************************************************************/ |
|
| 44 |
/* SETTINGS */ |
|
| 45 |
/******************************************************************************/ |
|
| 46 |
|
|
| 47 |
/******************************************************************************/ |
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| 48 |
/* CHECKS */ |
|
| 49 |
/******************************************************************************/ |
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| 50 |
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|
| 51 |
/******************************************************************************/ |
|
| 52 |
/* DATA STRUCTURES AND TYPES */ |
|
| 53 |
/******************************************************************************/ |
|
| 54 |
|
|
| 55 |
/** |
|
| 56 |
* @brief I2C address masks. |
|
| 57 |
*/ |
|
| 58 |
enum {
|
|
| 59 |
P9221R_LLD_I2C_ADDR_FIXED = 0x0061u, |
|
| 60 |
}; |
|
| 61 |
|
|
| 62 |
/** |
|
| 63 |
* @brief Registers. |
|
| 64 |
*/ |
|
| 65 |
typedef enum {
|
|
| 66 |
P9221R_LLD_REGISTER_PARTNUMBER = 0x0000, |
|
| 67 |
P9221R_LLD_REGISTER_INTERRUPTENABLE = 0x0038, |
|
| 68 |
// Writeable Registers |
|
| 69 |
P9221R_LLD_REGISTER_BATTERY_STATUS_SENT = 0x003A, |
|
| 70 |
P9221R_LLD_REGISTER_END_POWER_TRANSFER = 0x003B, |
|
| 71 |
// Read-Only Registers |
|
| 72 |
P9221R_LLD_REGISTER_OUTPUT_VOLTAGE_LSB = 0x003C, |
|
| 73 |
P9221R_LLD_REGISTER_OUTPUT_VOLTAGE_MSB = 0x003D, |
|
| 74 |
P9221R_LLD_REGISTER_IOUT_CURRENT_LSB = 0x0044, |
|
| 75 |
P9221R_LLD_REGISTER_IOUT_CURRENT_MSB = 0x0045, |
|
| 76 |
P9221R_LLD_REGISTER_OPERATING_FREQUENCY_MSB = 0x0048, |
|
| 77 |
P9221R_LLD_REGISTER_OPERATING_FREQUENCY_LSB = 0x0049, |
|
| 78 |
P9221R_LLD_REGISTER_ALIGNMENT_X = 0x004B, |
|
| 79 |
P9221R_LLD_REGISTER_ALIGNMENT_Y = 0x004C, |
|
| 80 |
} p9221r_lld_register_t; |
|
| 81 |
|
|
| 82 |
|
|
| 83 |
typedef struct {
|
|
| 84 |
apalI2CDriver_t* i2cd; |
|
| 85 |
apalI2Caddr_t addr; |
|
| 86 |
uint16_t current_lsb_uA; |
|
| 87 |
//P9221R_lld_cfg_t *config; |
|
| 88 |
}P9221RDriver; |
|
| 89 |
|
|
| 90 |
|
|
| 91 |
/******************************************************************************/ |
|
| 92 |
/* MACROS */ |
|
| 93 |
/******************************************************************************/ |
|
| 94 |
|
|
| 95 |
/******************************************************************************/ |
|
| 96 |
/* EXTERN DECLARATIONS */ |
|
| 97 |
/******************************************************************************/ |
|
| 98 |
|
|
| 99 |
#ifdef __cplusplus |
|
| 100 |
extern "C" {
|
|
| 101 |
#endif |
|
| 102 |
apalExitStatus_t p9221r_lld_read_register(const P9221RDriver* const p9221r, const p9221r_lld_register_t addr, uint8_t* const data, const uint8_t num, const apalTime_t timeout); |
|
| 103 |
apalExitStatus_t p9221r_lld_write_register(const P9221RDriver* const p9221r, const p9221r_lld_register_t addr, const uint16_t* const data, const uint8_t num, const apalTime_t timeout); |
|
| 104 |
apalExitStatus_t p9221r_lld_read_x_alignment(const P9221RDriver* const p9221r, int8_t* const x_alignment, const apalTime_t timeout); |
|
| 105 |
apalExitStatus_t p9221r_lld_read_y_alignment(const P9221RDriver* const p9221r, int8_t* const y_alignment, const apalTime_t timeout); |
|
| 106 |
apalExitStatus_t p9221r_lld_read_voltage(const P9221RDriver* const p9221r, float* const voltage, const apalTime_t timeout); |
|
| 107 |
apalExitStatus_t p9221r_lld_read_current(const P9221RDriver* const p9221r, float* const current, const apalTime_t timeout); |
|
| 108 |
|
|
| 109 |
#ifdef __cplusplus |
|
| 110 |
} |
|
| 111 |
#endif |
|
| 112 |
|
|
| 113 |
/******************************************************************************/ |
|
| 114 |
/* INLINE FUNCTIONS */ |
|
| 115 |
/******************************************************************************/ |
|
| 116 |
|
|
| 117 |
#endif /* defined(AMIROLLD_CFG_P9221R) && (AMIROLLD_CFG_P9221R == 1) */ |
|
| 118 |
|
|
| 119 |
#endif /* AMIROLLD_P9221R_V1_H */ |
|
| source/P9221R/v1/alld_P9221R_v1.c | ||
|---|---|---|
| 1 |
/* |
|
| 2 |
AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform. |
|
| 3 |
Copyright (C) 2016..2019 Thomas Schöpping et al. |
|
| 4 |
|
|
| 5 |
This program is free software: you can redistribute it and/or modify |
|
| 6 |
it under the terms of the GNU Lesser General Public License as published by |
|
| 7 |
the Free Software Foundation, either version 3 of the License, or |
|
| 8 |
(at your option) any later version. |
|
| 9 |
|
|
| 10 |
This program is distributed in the hope that it will be useful, |
|
| 11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 13 |
GNU Lesser General Public License for more details. |
|
| 14 |
|
|
| 15 |
You should have received a copy of the GNU Lesser General Public License |
|
| 16 |
along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
| 17 |
*/ |
|
| 18 |
|
|
| 19 |
/** |
|
| 20 |
* @file alld_P9221R_v1.c |
|
| 21 |
* |
|
| 22 |
* @brief Power Monitor function implementations |
|
| 23 |
* |
|
| 24 |
* @addtogroup lld_power |
|
| 25 |
* @{
|
|
| 26 |
*/ |
|
| 27 |
|
|
| 28 |
#include <alld_P9221R.h> |
|
| 29 |
|
|
| 30 |
#if (defined(AMIROLLD_CFG_P9221R) && (AMIROLLD_CFG_P9221R == 1)) || defined(__DOXYGEN__) |
|
| 31 |
|
|
| 32 |
/******************************************************************************/ |
|
| 33 |
/* LOCAL DEFINITIONS */ |
|
| 34 |
/******************************************************************************/ |
|
| 35 |
|
|
| 36 |
/******************************************************************************/ |
|
| 37 |
/* EXPORTED VARIABLES */ |
|
| 38 |
/******************************************************************************/ |
|
| 39 |
|
|
| 40 |
/******************************************************************************/ |
|
| 41 |
/* LOCAL TYPES */ |
|
| 42 |
/******************************************************************************/ |
|
| 43 |
|
|
| 44 |
/******************************************************************************/ |
|
| 45 |
/* LOCAL VARIABLES */ |
|
| 46 |
/******************************************************************************/ |
|
| 47 |
|
|
| 48 |
/******************************************************************************/ |
|
| 49 |
/* LOCAL FUNCTIONS */ |
|
| 50 |
/******************************************************************************/ |
|
| 51 |
|
|
| 52 |
/******************************************************************************/ |
|
| 53 |
/* EXPORTED FUNCTIONS */ |
|
| 54 |
/******************************************************************************/ |
|
| 55 |
|
|
| 56 |
|
|
| 57 |
/** |
|
| 58 |
* @brief Read the value of one or more of the registers. |
|
| 59 |
* @param[in] i2cd i2c driver |
|
| 60 |
* @param[in] PRd p9221r driver |
|
| 61 |
* @param[in] addr register address |
|
| 62 |
* @param[out] data register content |
|
| 63 |
* @param[in] num number of subsequent registers to read |
|
| 64 |
* @param[in] timeout timeout |
|
| 65 |
* @return An indicator whether the call was successfull |
|
| 66 |
*/ |
|
| 67 |
apalExitStatus_t p9221r_lld_read_register(const P9221RDriver* const p9221r, const p9221r_lld_register_t addr, uint8_t* const data, const uint8_t num, const apalTime_t timeout) |
|
| 68 |
{
|
|
| 69 |
apalDbgAssert(p9221r != NULL); |
|
| 70 |
apalDbgAssert(p9221r->i2cd != NULL); |
|
| 71 |
apalDbgAssert(data != NULL); |
|
| 72 |
|
|
| 73 |
uint8_t tx[2] = {(addr & 0xFF00) >> 8, addr & 0x00FF};
|
|
| 74 |
|
|
| 75 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), tx, 2, data, num, timeout); |
|
| 76 |
|
|
| 77 |
return status; |
|
| 78 |
} |
|
| 79 |
|
|
| 80 |
/** |
|
| 81 |
* @brief Write the value of one or more of the registers. |
|
| 82 |
* @param[in] i2cd i2c driver |
|
| 83 |
* @param[in] PRd p9221r driver |
|
| 84 |
* @param[in] addr register address |
|
| 85 |
* @param[in] data data to write |
|
| 86 |
* @param[in] num number of subsequent registers to read |
|
| 87 |
* @param[in] timeout timeout |
|
| 88 |
* @return An indicator whether the call was successfull |
|
| 89 |
*/ |
|
| 90 |
apalExitStatus_t p9221r_lld_write_register(const P9221RDriver* const p9221r, const p9221r_lld_register_t addr, const uint16_t* const data, const uint8_t num, const apalTime_t timeout) |
|
| 91 |
{
|
|
| 92 |
apalDbgAssert(p9221r != NULL); |
|
| 93 |
apalDbgAssert(p9221r->i2cd != NULL); |
|
| 94 |
apalDbgAssert(data != NULL); |
|
| 95 |
|
|
| 96 |
uint8_t buffer[1+2*num]; |
|
| 97 |
buffer[0] = addr; |
|
| 98 |
for (uint8_t dataIdx = 0; dataIdx < num; dataIdx++) {
|
|
| 99 |
buffer[dataIdx*2+1] = data[dataIdx] >> 8; |
|
| 100 |
buffer[dataIdx*2+2] = data[dataIdx] & (0x00FFu); |
|
| 101 |
} |
|
| 102 |
return apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), buffer, 1+2*num, NULL, 0, timeout); |
|
| 103 |
} |
|
| 104 |
|
|
| 105 |
/** |
|
| 106 |
* @brief Read the x_alignment. |
|
| 107 |
* @param[in] i2cd i2c driver |
|
| 108 |
* @param[in] PRd p9221r driver |
|
| 109 |
* @param[out] x_alignment alignment register content |
|
| 110 |
* @param[in] timeout timeout |
|
| 111 |
* @return An indicator whether the call was successfull |
|
| 112 |
*/ |
|
| 113 |
apalExitStatus_t p9221r_lld_read_x_alignment(const P9221RDriver* const p9221r, int8_t* const x_alignment, const apalTime_t timeout) |
|
| 114 |
{
|
|
| 115 |
uint8_t addr[2] = {(P9221R_LLD_REGISTER_ALIGNMENT_X & 0xFF00) >> 8, P9221R_LLD_REGISTER_ALIGNMENT_X & 0x00FF};
|
|
| 116 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, (uint8_t*)x_alignment, 2, timeout); // TODO check if implicit cast is ok (uint) |
|
| 117 |
|
|
| 118 |
return status; |
|
| 119 |
} |
|
| 120 |
|
|
| 121 |
/** |
|
| 122 |
* @brief Read the y_alignment. |
|
| 123 |
* @param[in] i2cd i2c driver |
|
| 124 |
* @param[in] PRd p9221r driver |
|
| 125 |
* @param[out] y_alignment alignment register content |
|
| 126 |
* @param[in] timeout timeout |
|
| 127 |
* @return An indicator whether the call was successfull |
|
| 128 |
*/ |
|
| 129 |
apalExitStatus_t p9221r_lld_read_y_alignment(const P9221RDriver* const p9221r, int8_t* const y_alignment, const apalTime_t timeout) |
|
| 130 |
{
|
|
| 131 |
uint8_t addr[2] = {(P9221R_LLD_REGISTER_ALIGNMENT_Y & 0xFF00) >> 8, P9221R_LLD_REGISTER_ALIGNMENT_Y & 0x00FF};
|
|
| 132 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, (uint8_t*)y_alignment, 2, timeout); // TODO check if implicit cast is ok (uint) |
|
| 133 |
|
|
| 134 |
return status; |
|
| 135 |
} |
|
| 136 |
|
|
| 137 |
/** |
|
| 138 |
* @brief Read the voltage. |
|
| 139 |
* @param[in] i2cd i2c driver |
|
| 140 |
* @param[in] PRd p9221r driver |
|
| 141 |
* @param[out] voltage voltage register content |
|
| 142 |
* @param[in] timeout timeout |
|
| 143 |
* @return An indicator whether the call was successfull |
|
| 144 |
*/ |
|
| 145 |
apalExitStatus_t p9221r_lld_read_voltage(const P9221RDriver* const p9221r, float* const voltage, const apalTime_t timeout) |
|
| 146 |
{
|
|
| 147 |
uint8_t addr[2] = {(P9221R_LLD_REGISTER_OUTPUT_VOLTAGE_LSB & 0xFF00) >> 8, P9221R_LLD_REGISTER_OUTPUT_VOLTAGE_LSB & 0x00FF};
|
|
| 148 |
uint8_t buffer[2]; |
|
| 149 |
uint16_t value; |
|
| 150 |
|
|
| 151 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, buffer, 2, timeout); |
|
| 152 |
value = ((buffer[1] & 0x0F) << 8) | buffer[0]; // 4MSB are in buffer[1] so we shift and mask, 8LSB are in buffer[0] |
|
| 153 |
*voltage = (((float) value) * 6 * 2.1f)/4095.0f; |
|
| 154 |
|
|
| 155 |
return status; |
|
| 156 |
} |
|
| 157 |
|
|
| 158 |
/** |
|
| 159 |
* @brief Read the current. |
|
| 160 |
* @param[in] i2cd i2c driver |
|
| 161 |
* @param[in] PRd p9221r driver |
|
| 162 |
* @param[out] current register content |
|
| 163 |
* @param[in] timeout timeout |
|
| 164 |
* @return An indicator whether the call was successfull |
|
| 165 |
*/ |
|
| 166 |
apalExitStatus_t p9221r_lld_read_current(const P9221RDriver* const p9221r, float* const current, const apalTime_t timeout) |
|
| 167 |
{
|
|
| 168 |
uint8_t addr[2] = {(P9221R_LLD_REGISTER_IOUT_CURRENT_LSB & 0xFF00) >> 8, P9221R_LLD_REGISTER_IOUT_CURRENT_LSB & 0x00FF};
|
|
| 169 |
uint8_t buffer[2]; |
|
| 170 |
uint16_t value; |
|
| 171 |
|
|
| 172 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, buffer, 2, timeout); |
|
| 173 |
value = (buffer[1] << 8) | buffer[0]; // 8MSB are in buffer[1] so we shift, 8LSB are in buffer[0] |
|
| 174 |
*current = (((float) value) * 2 * 2.1f)/4095.0f; |
|
| 175 |
|
|
| 176 |
return status; |
|
| 177 |
} |
|
| 178 |
|
|
| 179 |
|
|
| 180 |
#endif /* defined(AMIROLLD_CFG_P9221R) && (AMIROLLD_CFG_P9221R == 1) */ |
|
| 181 |
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| 182 |
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