88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include <furi-hal-resources.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Init I2C */
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void furi_hal_i2c_init();
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/**
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* Perform I2C tx transfer
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* @param instance I2C_TypeDef instance
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* @param address I2C slave address
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* @param data pointer to data buffer
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* @param size size of data buffer
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* @param timeout timeout in CPU ticks
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* @return true on successful transfer, false otherwise
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*/
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bool furi_hal_i2c_tx(
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I2C_TypeDef* instance,
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const uint8_t address,
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const uint8_t* data,
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const uint8_t size,
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uint32_t timeout);
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/**
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* Perform I2C rx transfer
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* @param instance I2C_TypeDef instance
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* @param address I2C slave address
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* @param data pointer to data buffer
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* @param size size of data buffer
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* @param timeout timeout in CPU ticks
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* @return true on successful transfer, false otherwise
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*/
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bool furi_hal_i2c_rx(
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I2C_TypeDef* instance,
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const uint8_t address,
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uint8_t* data,
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const uint8_t size,
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uint32_t timeout);
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/**
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* Perform I2C tx and rx transfers
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* @param instance I2C_TypeDef instance
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* @param address I2C slave address
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* @param tx_data pointer to tx data buffer
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* @param tx_size size of tx data buffer
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* @param rx_data pointer to rx data buffer
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* @param rx_size size of rx data buffer
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* @param timeout timeout in CPU ticks
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* @return true on successful transfer, false otherwise
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*/
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bool furi_hal_i2c_trx(
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I2C_TypeDef* instance,
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const uint8_t address,
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const uint8_t* tx_data,
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const uint8_t tx_size,
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uint8_t* rx_data,
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const uint8_t rx_size,
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uint32_t timeout);
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/** Acquire I2C mutex */
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void furi_hal_i2c_lock();
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/** Release I2C mutex */
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void furi_hal_i2c_unlock();
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/**
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* With clause for I2C peripheral
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* @param type type of function_body
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* @param pointer pointer to return of function_body
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* @param function_body a (){} lambda declaration, executed with I2C mutex acquired
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*/
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#define with_furi_hal_i2c(type, pointer, function_body) \
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{ \
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furi_hal_i2c_lock(); \
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*pointer = ({ type __fn__ function_body __fn__; })(); \
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furi_hal_i2c_unlock(); \
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}
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#ifdef __cplusplus
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}
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#endif
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