From a67bba56af1bfc5f8c24c03ef6c9c411518e802e Mon Sep 17 00:00:00 2001 From: Rocco Marco Date: Fri, 17 Apr 2015 00:44:32 +0200 Subject: Reorganized devices_lib folder Removed some others pre-processor directives --- os/various/devices_lib/mems/lsm6ds0.c | 184 ++++++++++++++++++++++++++++++++++ 1 file changed, 184 insertions(+) create mode 100644 os/various/devices_lib/mems/lsm6ds0.c (limited to 'os/various/devices_lib/mems/lsm6ds0.c') diff --git a/os/various/devices_lib/mems/lsm6ds0.c b/os/various/devices_lib/mems/lsm6ds0.c new file mode 100644 index 0000000..da67f12 --- /dev/null +++ b/os/various/devices_lib/mems/lsm6ds0.c @@ -0,0 +1,184 @@ +/* + Pretty LAYer for ChibiOS/RT - Copyright (C) 2015 Rocco Marco Guglielmi + + This file is part of PLAY for ChibiOS/RT. + + PLAY is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + PLAY is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +/* + Special thanks to Giovanni Di Sirio for teachings, his moral support and + friendship. Note that some or every piece of this file could be part of + the ChibiOS project that is intellectual property of Giovanni Di Sirio. + Please refer to ChibiOS/RT license before use this file. + + For suggestion or Bug report - roccomarco.guglielmi@playembedded.org + */ + +/** + * @file lsm6ds0.c + * @brief LSM6DS0 MEMS interface module through I2C code. + * + * @addtogroup lsm6ds0 + * @{ + */ + +#include "ch.h" +#include "hal.h" + +#include "lsm6ds0.h" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Reads a generic sub-register value. + * @pre The I2C interface must be initialized and the driver started. + * + * @param[in] i2cp pointer to the I2C interface + * @param[in] sad slave address without R bit + * @param[in] sub sub-register address + * @param[in] message pointer to message + * @return register value. + */ +uint8_t lsm6ds0ReadRegister(I2CDriver *i2cp, uint8_t sad, uint8_t sub, + msg_t* message) { + + uint8_t txbuf, rxbuf[2]; +#if defined(STM32F103_MCUCONF) + txbuf = LSM303DLHC_SUB_MSB | sub; + if(message != NULL){ + *message = i2cMasterTransmitTimeout(i2cp, sad, &txbuf, 1, rxbuf, 2, + TIME_INFINITE); + } + else{ + i2cMasterTransmitTimeout(i2cp, sad, &txbuf, 1, rxbuf, 2, TIME_INFINITE); + } + return rxbuf[0]; +#else + txbuf = sub; + if(message != NULL){ + *message = i2cMasterTransmitTimeout(i2cp, sad, &txbuf, 1, rxbuf, 1, + TIME_INFINITE); + } + else{ + i2cMasterTransmitTimeout(i2cp, sad, &txbuf, 1, rxbuf, 1, TIME_INFINITE); + } + return rxbuf[0]; +#endif +} + +/** + * @brief Writes a value into a register. + * @pre The I2C interface must be initialized and the driver started. + * + * @param[in] i2cp pointer to the I2C interface + * @param[in] sad slave address without R bit + * @param[in] sub sub-register address + * @param[in] value the value to be written + * @param[out] message pointer to message + */ +void lsm6ds0WriteRegister(I2CDriver *i2cp, uint8_t sad, uint8_t sub, + uint8_t value, msg_t* message) { + + uint8_t txbuf[2]; + uint8_t rxbuf; + switch (sub) { + default: + /* Reserved register must not be written, according to the datasheet + * this could permanently damage the device. + */ + chDbgAssert(FALSE, "lsm6ds0WriteRegister(), reserved register"); + case LSM6DS0_SUB_WHO_AM_I: + case LSM6DS0_SUB_INT_GEN_SRC_G: + case LSM6DS0_SUB_OUT_TEMP_L: + case LSM6DS0_SUB_OUT_TEMP_H: + case LSM6DS0_SUB_STATUS_REG1: + case LSM6DS0_SUB_OUT_X_L_G: + case LSM6DS0_SUB_OUT_X_H_G: + case LSM6DS0_SUB_OUT_Y_L_G: + case LSM6DS0_SUB_OUT_Y_H_G: + case LSM6DS0_SUB_OUT_Z_L_G: + case LSM6DS0_SUB_OUT_Z_H_G: + case LSM6DS0_SUB_INT_GEN_SRC_XL: + case LSM6DS0_SUB_STATUS_REG2: + case LSM6DS0_SUB_OUT_X_L_XL: + case LSM6DS0_SUB_OUT_X_H_XL: + case LSM6DS0_SUB_OUT_Y_L_XL: + case LSM6DS0_SUB_OUT_Y_H_XL: + case LSM6DS0_SUB_OUT_Z_L_XL: + case LSM6DS0_SUB_OUT_Z_H_XL: + case LSM6DS0_SUB_FIFO_SRC: + /* Read only registers cannot be written, the command is ignored.*/ + return; + case LSM6DS0_SUB_ACT_THS: + case LSM6DS0_SUB_ACT_DUR: + case LSM6DS0_SUB_INT_GEN_CFG_XL: + case LSM6DS0_SUB_INT_GEN_THS_X_XL: + case LSM6DS0_SUB_INT_GEN_THS_Y_XL: + case LSM6DS0_SUB_INT_GEN_THS_Z_XL: + case LSM6DS0_SUB_INT_GEN_DUR_XL: + case LSM6DS0_SUB_REFERENCE_G: + case LSM6DS0_SUB_INT_CTRL: + case LSM6DS0_SUB_CTRL_REG1_G: + case LSM6DS0_SUB_CTRL_REG2_G: + case LSM6DS0_SUB_CTRL_REG3_G: + case LSM6DS0_SUB_ORIENT_CFG_G: + case LSM6DS0_SUB_CTRL_REG4: + case LSM6DS0_SUB_CTRL_REG5_XL: + case LSM6DS0_SUB_CTRL_REG6_XL: + case LSM6DS0_SUB_CTRL_REG7_XL: + case LSM6DS0_SUB_CTRL_REG8: + case LSM6DS0_SUB_CTRL_REG9: + case LSM6DS0_SUB_CTRL_REG10: + case LSM6DS0_SUB_FIFO_CTRL: + case LSM6DS0_SUB_INT_GEN_CFG_G: + case LSM6DS0_SUB_INT_GEN_THS_XH_G: + case LSM6DS0_SUB_INT_GEN_THS_XL_G: + case LSM6DS0_SUB_INT_GEN_THS_YH_G: + case LSM6DS0_SUB_INT_GEN_THS_YL_G: + case LSM6DS0_SUB_INT_GEN_THS_ZH_G: + case LSM6DS0_SUB_INT_GEN_THS_ZL_G: + case LSM6DS0_SUB_INT_GEN_DUR_G: + txbuf[0] = sub; + txbuf[1] = value; + if(message != NULL){ + *message = i2cMasterTransmitTimeout(i2cp, sad, txbuf, 2, &rxbuf, 0, + TIME_INFINITE); + } + else{ + i2cMasterTransmitTimeout(i2cp, sad, txbuf, 2, &rxbuf, 0, TIME_INFINITE); + } + break; + } +} + +/** @} */ -- cgit v1.2.3