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/**
* @file furi_hal_i2c.h
* I2C HAL API
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include <furi_hal_i2c_config.h>
#ifdef __cplusplus
extern "C" {
#endif
/** Init I2C
*/
void furi_hal_i2c_init();
/** Acquire i2c bus handle
*
* @return Instance of FuriHalI2cBus
*/
void furi_hal_i2c_acquire(FuriHalI2cBusHandle* handle);
/** Release i2c bus handle
*
* @param bus instance of FuriHalI2cBus aquired in `furi_hal_i2c_acquire`
*/
void furi_hal_i2c_release(FuriHalI2cBusHandle* handle);
/** Perform I2C tx transfer
*
* @param handle pointer to FuriHalI2cBusHandle instance
* @param address I2C slave address
* @param data pointer to data buffer
* @param size size of data buffer
* @param timeout timeout in ticks
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_tx(
FuriHalI2cBusHandle* handle,
const uint8_t address,
const uint8_t* data,
const uint8_t size,
uint32_t timeout);
/** Perform I2C rx transfer
*
* @param handle pointer to FuriHalI2cBusHandle instance
* @param address I2C slave address
* @param data pointer to data buffer
* @param size size of data buffer
* @param timeout timeout in ticks
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_rx(
FuriHalI2cBusHandle* handle,
const uint8_t address,
uint8_t* data,
const uint8_t size,
uint32_t timeout);
/** Perform I2C tx and rx transfers
*
* @param handle pointer to FuriHalI2cBusHandle instance
* @param address I2C slave address
* @param tx_data pointer to tx data buffer
* @param tx_size size of tx data buffer
* @param rx_data pointer to rx data buffer
* @param rx_size size of rx data buffer
* @param timeout timeout in ticks
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_trx(
FuriHalI2cBusHandle* handle,
const uint8_t address,
const uint8_t* tx_data,
const uint8_t tx_size,
uint8_t* rx_data,
const uint8_t rx_size,
uint32_t timeout);
#ifdef __cplusplus
}
#endif
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