MPU6050 library
Dependents: CSSE4011_BLE_IMU_Project_rev2 Seeed_Tiny_BLE_Get_Started nrf51822_fix_i2c_spi_conflict balanceboard ... more
mbed_i2c.h
- Committer:
- yihui
- Date:
- 2015-02-07
- Revision:
- 0:1b6dab73c06b
- Child:
- 1:6aedb937cb38
File content as of revision 0:1b6dab73c06b:
/****************************************************************************** * $Id: mbed_i2c.h $ *****************************************************************************/ /** * @defgroup MBED_System_Layer MBED System Layer * @brief MBED System Layer APIs. * To interface with any platform, eMPL needs access to various * system layer functions. * * @{ * @file mbed_i2c.h * @brief Serial communication functions needed by eMPL to * communicate to the MPU devices. * @details This driver assumes that eMPL is with a sub-master clock set * to 20MHz. The following MBEDs are supported: */ #ifndef _MBED_I2C_H_ #define _MBED_I2C_H_ #ifdef __cplusplus extern "C" { #endif #include "i2c_api.h" void mbed_i2c_init(PinName sda, PinName scl); /** * @brief Set up the I2C port and configure the MBED as the master. * @return 0 if successful. */ int mbed_i2c_enable(void); /** * @brief Disable I2C communication. * This function will disable the I2C hardware and should be called prior to * entering low-power mode. * @return 0 if successful. */ int mbed_i2c_disable(void); /** * @brief Write to a device register. * * @param[in] slave_addr Slave address of device. * @param[in] reg_addr Slave register to be written to. * @param[in] length Number of bytes to write. * @param[out] data Data to be written to register. * * @return 0 if successful. */ int mbed_i2c_write(unsigned char slave_addr, unsigned char reg_addr, unsigned char length, unsigned char const *data); /** * @brief Read from a device. * * @param[in] slave_addr Slave address of device. * @param[in] reg_addr Slave register to be read from. * @param[in] length Number of bytes to read. * @param[out] data Data from register. * * @return 0 if successful. */ int mbed_i2c_read(unsigned char slave_addr, unsigned char reg_addr, unsigned char length, unsigned char *data); #ifdef __cplusplus } #endif #endif /* _MBED_I2C_H_ */ /** * @} */