diff options
Diffstat (limited to 'drivers/misc/mpu3050/accel/adxl346.c')
| -rwxr-xr-x | drivers/misc/mpu3050/accel/adxl346.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/drivers/misc/mpu3050/accel/adxl346.c b/drivers/misc/mpu3050/accel/adxl346.c deleted file mode 100755 index 14cb38a..0000000 --- a/drivers/misc/mpu3050/accel/adxl346.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - $License: - Copyright (C) 2010 InvenSense Corporation, All Rights Reserved. - - This program 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 2 of the License, or - (at your option) any later version. - - This program 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/>. - $ - */ - -/** - * @defgroup ACCELDL (Motion Library - Accelerometer Driver Layer) - * @brief Provides the interface to setup and handle an accelerometers - * connected to the secondary I2C interface of the gyroscope. - * - * @{ - * @file adxl346.c - * @brief Accelerometer setup and handling methods for AD adxl346. - */ - -/* ------------------ */ -/* - Include Files. - */ -/* ------------------ */ - -#ifdef __KERNEL__ -#include <linux/module.h> -#endif -#include "mpu.h" -#include "mlsl.h" -#include "mlos.h" - -#include <log.h> -#undef MPL_LOG_TAG -#define MPL_LOG_TAG "MPL-acc" - -#define ACCEL_ADI346_SLEEP_REG (0x2D) -#define ACCEL_ADI346_SLEEP_MASK (0x04) - -/* --------------------- */ -/* - Variables. - */ -/* --------------------- */ - -/***************************************** - Accelerometer Initialization Functions -*****************************************/ - -int adxl346_suspend(void *mlsl_handle, - struct ext_slave_descr *slave, - struct ext_slave_platform_data *pdata) -{ - int result; - unsigned char reg; - result = - MLSLSerialRead(mlsl_handle, pdata->address, - ACCEL_ADI346_SLEEP_REG, 1, ®); - ERROR_CHECK(result); - reg |= ACCEL_ADI346_SLEEP_MASK; - result = - MLSLSerialWriteSingle(mlsl_handle, pdata->address, - ACCEL_ADI346_SLEEP_REG, reg); - ERROR_CHECK(result); - return result; -} - -/* full scale setting - register & mask */ -#define ACCEL_ADI346_CTRL_REG (0x31) -#define ACCEL_ADI346_CTRL_MASK (0x03) - -int adxl346_resume(void *mlsl_handle, - struct ext_slave_descr *slave, - struct ext_slave_platform_data *pdata) -{ - int result = ML_SUCCESS; - unsigned char reg; - - result = - MLSLSerialRead(mlsl_handle, pdata->address, - ACCEL_ADI346_SLEEP_REG, 1, ®); - ERROR_CHECK(result); - reg &= ~ACCEL_ADI346_SLEEP_MASK; - /*wake up if sleeping */ - result = MLSLSerialWriteSingle(mlsl_handle, pdata->address, - ACCEL_ADI346_SLEEP_REG, reg); - ERROR_CHECK(result); - /*MLOSSleep(10) */ - - /* Full Scale */ - reg = 0x04; - reg &= ~ACCEL_ADI346_CTRL_MASK; - if (slave->range.mantissa == 4) - reg |= 0x1; - else if (slave->range.mantissa == 8) - reg |= 0x2; - else if (slave->range.mantissa == 16) - reg |= 0x3; - else { - slave->range.mantissa = 2; - reg |= 0x0; - } - slave->range.fraction = 0; - - /* DATA_FORMAT: full resolution of +/-2g; data is left justified */ - result = MLSLSerialWriteSingle(mlsl_handle, pdata->address, 0x31, reg); - ERROR_CHECK(result); - /* BW_RATE: normal power operation with output data rate of 200Hz */ - result = MLSLSerialWriteSingle(mlsl_handle, pdata->address, 0x2C, 0x0B); - ERROR_CHECK(result); - /* POWER_CTL: power on in measurement mode */ - result = MLSLSerialWriteSingle(mlsl_handle, pdata->address, 0x2D, 0x28); - ERROR_CHECK(result); - /*--- after wake up, it takes at least [1/(data rate) + 1.1]ms ==> - 6.1ms to get valid sensor data ---*/ - MLOSSleep(10); - - return result; -} - -int adxl346_read(void *mlsl_handle, - struct ext_slave_descr *slave, - struct ext_slave_platform_data *pdata, - unsigned char *data) -{ - int result; - result = MLSLSerialRead(mlsl_handle, pdata->address, - slave->reg, slave->len, data); - return result; -} - -struct ext_slave_descr adxl346_descr = { - /*.init = */ NULL, - /*.exit = */ NULL, - /*.suspend = */ adxl346_suspend, - /*.resume = */ adxl346_resume, - /*.read = */ adxl346_read, - /*.config = */ NULL, - /*.get_config = */ NULL, - /*.name = */ "adx1346", - /*.type = */ EXT_SLAVE_TYPE_ACCELEROMETER, - /*.id = */ ACCEL_ID_ADI346, - /*.reg = */ 0x32, - /*.len = */ 6, - /*.endian = */ EXT_SLAVE_LITTLE_ENDIAN, - /*.range = */ {2, 0}, -}; - -struct ext_slave_descr *adxl346_get_slave_descr(void) -{ - return &adxl346_descr; -} -EXPORT_SYMBOL(adxl346_get_slave_descr); - -/** - * @} -**/ |