aboutsummaryrefslogtreecommitdiffstats
path: root/os/various/devices_lib/mems/lsm6ds0.c
diff options
context:
space:
mode:
authorRocco Marco <roccomarco.guglielmi@gmail.com>2015-04-17 00:44:32 +0200
committerRocco Marco <roccomarco.guglielmi@gmail.com>2015-04-17 00:44:32 +0200
commita67bba56af1bfc5f8c24c03ef6c9c411518e802e (patch)
tree6689a3697c91a7f85eb3d272dd8123ad8e5dcbc4 /os/various/devices_lib/mems/lsm6ds0.c
parent8b32af98adc0f61cbc2ab715a628b84236eb009c (diff)
downloadChibiOS-Contrib-a67bba56af1bfc5f8c24c03ef6c9c411518e802e.tar.gz
ChibiOS-Contrib-a67bba56af1bfc5f8c24c03ef6c9c411518e802e.tar.bz2
ChibiOS-Contrib-a67bba56af1bfc5f8c24c03ef6c9c411518e802e.zip
Reorganized devices_lib folder
Removed some others pre-processor directives
Diffstat (limited to 'os/various/devices_lib/mems/lsm6ds0.c')
-rw-r--r--os/various/devices_lib/mems/lsm6ds0.c184
1 files changed, 184 insertions, 0 deletions
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 <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ 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;
+ }
+}
+
+/** @} */