amiro-lld / source / alld_mpu6050.c @ 3389f547
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/*
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* sd_hal_mpu6050.c
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*
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* Created on: Feb 19, 2016
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* Author: Sina Darvishi
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* Edited on: Jan 15, 2019
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* Editor: Simon Welzel
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*/
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/**
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* |----------------------------------------------------------------------
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* | Copyright (C) Sina Darvishi,2016
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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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* | 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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#include "alld_mpu6050.h" |
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#include <amiro-lld.h> |
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#if defined(AMIROLLD_CFG_USE_MPU6050) || defined(__DOXYGEN__)
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#include <stdint.h> |
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/* Default I2C address */
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#define MPU6050_I2C_ADDR 0xD0 |
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/* Who I am register value */
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#define MPU6050_I_AM 0x68 |
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/* MPU6050 registers */
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#define MPU6050_AUX_VDDIO 0x01 |
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#define MPU6050_SMPLRT_DIV 0x19 |
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#define MPU6050_CONFIG 0x1A |
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#define MPU6050_GYRO_CONFIG 0x1B |
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#define MPU6050_ACCEL_CONFIG 0x1C |
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#define MPU6050_MOTION_THRESH 0x1F |
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#define MPU6050_INT_PIN_CFG 0x37 |
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#define MPU6050_INT_ENABLE 0x38 |
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#define MPU6050_INT_STATUS 0x3A |
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#define MPU6050_ACCEL_XOUT_H 0x3B |
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#define MPU6050_ACCEL_XOUT_L 0x3C |
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#define MPU6050_ACCEL_YOUT_H 0x3D |
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#define MPU6050_ACCEL_YOUT_L 0x3E |
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#define MPU6050_ACCEL_ZOUT_H 0x3F |
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#define MPU6050_ACCEL_ZOUT_L 0x40 |
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#define MPU6050_TEMP_OUT_H 0x41 |
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#define MPU6050_TEMP_OUT_L 0x42 |
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#define MPU6050_GYRO_XOUT_H 0x43 |
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#define MPU6050_GYRO_XOUT_L 0x44 |
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#define MPU6050_GYRO_YOUT_H 0x45 |
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#define MPU6050_GYRO_YOUT_L 0x46 |
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#define MPU6050_GYRO_ZOUT_H 0x47 |
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#define MPU6050_GYRO_ZOUT_L 0x48 |
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#define MPU6050_MOT_DETECT_STATUS 0x61 |
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#define MPU6050_SIGNAL_PATH_RESET 0x68 |
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#define MPU6050_MOT_DETECT_CTRL 0x69 |
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#define MPU6050_USER_CTRL 0x6A |
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#define MPU6050_PWR_MGMT_1 0x6B |
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#define MPU6050_PWR_MGMT_2 0x6C |
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#define MPU6050_FIFO_COUNTH 0x72 |
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#define MPU6050_FIFO_COUNTL 0x73 |
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#define MPU6050_FIFO_R_W 0x74 |
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#define MPU6050_WHO_AM_I 0x75 |
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/* Gyro sensitivities in degrees/s */
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#define MPU6050_GYRO_SENS_250 ((float) 131) |
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#define MPU6050_GYRO_SENS_500 ((float) 65.5) |
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#define MPU6050_GYRO_SENS_1000 ((float) 32.8) |
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#define MPU6050_GYRO_SENS_2000 ((float) 16.4) |
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/* Acce sensitivities in g/s */
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#define MPU6050_ACCE_SENS_2 ((float) 16384) |
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#define MPU6050_ACCE_SENS_4 ((float) 8192) |
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#define MPU6050_ACCE_SENS_8 ((float) 4096) |
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#define MPU6050_ACCE_SENS_16 ((float) 2048) |
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// from alld_ina219.c
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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] inad ina219 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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inline apalExitStatus_t
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mpu6050_lld_read_register(const MPU6050Driver* const mpu6050, const mpu6050_lld_register_t addr, uint16_t* const data, const uint8_t num, const apalTime_t timeout) |
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{ |
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apalDbgAssert(mpu6050 != 0);
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apalDbgAssert(mpu6050->i2cd != 0);
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apalDbgAssert(data != 0);
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uint8_t buffer[num*2];
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apalExitStatus_t status = apalI2CMasterTransmit(mpu6050->i2cd, (MPU6050_LLD_I2C_ADDR_FIXED | mpu6050->addr), (uint8_t*)&addr, 1, buffer, 2*num, timeout); |
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for (uint8_t dataIdx = 0; dataIdx < num; dataIdx++) { |
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data[dataIdx] = (buffer[2*dataIdx] << 8) | buffer[2*dataIdx+1]; |
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} |
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return status;
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} |
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// from alld_ina219.c
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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] inad ina219 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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inline apalExitStatus_t
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mpu6050_lld_write_register(const MPU6050Driver* const mpu6050, const mpu6050_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(mpu6050 != 0);
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apalDbgAssert(mpu6050->i2cd != 0);
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apalDbgAssert(data != 0);
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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(mpu6050->i2cd, (MPU6050_LLD_I2C_ADDR_FIXED | mpu6050->addr), buffer, 1+2*num, NULL, 0, timeout); |
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} |
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inline apalExitStatus_t mpu6050_get_axis_x(const MPU6050Driver* const mpu6050, const mpu6050_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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} |
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#endif /* AMIROLLD_CFG_USE_MPU6050*/ |