src/main/drivers/bus_i2c_busdev.c

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include <stdbool.h>
  22 #include <stdint.h>
  23 #include <string.h>
  24
  25 #include <platform.h>
  26
  27 #if defined(USE_I2C)
  28
  29 #include "drivers/bus.h"
  30 #include "drivers/bus_i2c.h"
  31
  32 bool i2cBusWriteRegister(const busDevice_t *busdev, uint8_t reg, uint8_t data)
  33 {
  34     return i2cWrite(busdev->busdev_u.i2c.device, busdev->busdev_u.i2c.address, reg, data);
  35 }
  36
  37 bool i2cBusReadRegisterBuffer(const busDevice_t *busdev, uint8_t reg, uint8_t *data, uint8_t length)
  38 {
  39     return i2cRead(busdev->busdev_u.i2c.device, busdev->busdev_u.i2c.address, reg, length, data);
  40 }
  41
  42 uint8_t i2cBusReadRegister(const busDevice_t *busdev, uint8_t reg)
  43 {
  44     uint8_t data;
  45     i2cRead(busdev->busdev_u.i2c.device, busdev->busdev_u.i2c.address, reg, 1, &data);
  46     return data;
  47 }
  48 #endif