80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
#pragma once
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#include "FreeRTOS.h"
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#include "event_groups.h"
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#include "avr/io.h"
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#include "avr/interrupt.h"
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#include "stdbool.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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typedef enum
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{
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AVR_FAIL = -1,
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AVR_OK,
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AVR_ERR_NO_MEM,
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AVR_ERR_INVALID_ARG,
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AVR_ERR_INVALID_STATE,
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AVR_ERR_INVALID_SIZE,
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AVR_ERR_NOT_FOUND,
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AVR_ERR_NOT_SUPPORTED,
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AVR_ERR_TIMEOUT,
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AVR_ERR_INVALID_RESPONSE,
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AVR_ERR_INVALID_CRC,
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AVR_ERR_INVALID_VERSION,
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AVR_ERR_NOT_FINISHED,
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AVR_ERR_NOT_ALLOWED
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} avr_err_t;
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/**
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* @brief Initialize I2C bus.
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*
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* @param[in] pullup Using internal pullup resistors.
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*
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* @return AVR_OK if success or an error code otherwise.
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*/
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avr_err_t zh_avr_i2c_master_init(const bool pullup);
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/**
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* @brief Probe I2C address.
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*
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* @param[in] addr Address I2C device.
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* @param[in] xTicksToWait Wait timeout in FreeRTOS ticks.
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*
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* @return AVR_OK if success or an error code otherwise.
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*/
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avr_err_t zh_avr_i2c_master_probe(const uint8_t addr, TickType_t xTicksToWait);
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/**
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* @brief Send data to I2C address.
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*
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* @param[in] addr Address I2C device.
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* @param[in] data Pointer to data for send.
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* @param[in] size Data size.
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* @param[in] xTicksToWait Wait timeout in FreeRTOS ticks.
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*
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* @return AVR_OK if success or an error code otherwise.
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*/
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avr_err_t zh_avr_i2c_master_transmit(const uint8_t addr, uint8_t *data, uint8_t size, TickType_t xTicksToWait);
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/**
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* @brief Read data from I2C address.
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*
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* @param[in] addr Address I2C device.
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* @param[out] data Pointer to buffer for read.
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* @param[in] size Data size.
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* @param[in] xTicksToWait Wait timeout in FreeRTOS ticks.
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*
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* @return AVR_OK if success or an error code otherwise.
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*/
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avr_err_t zh_avr_i2c_master_receive(const uint8_t addr, uint8_t *data, uint8_t size, TickType_t xTicksToWait);
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avr_err_t zh_avr_i2c_master_transmit_register(const uint8_t addr, uint16_t *reg, uint8_t *data, uint8_t size, TickType_t xTicksToWait); // To Do
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avr_err_t zh_avr_i2c_master_receive_register(const uint8_t addr, uint16_t *reg, uint8_t *data, uint8_t size, TickType_t xTicksToWait); // To Do
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#ifdef __cplusplus
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}
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#endif |