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yelvlab
2025-09-26 09:02:37 +08:00
parent 233576fd9a
commit fcf10601b9
6 changed files with 574 additions and 7 deletions
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72
Inc/i2c.h
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@@ -107,15 +107,76 @@ i2c_result_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data
*/
i2c_result_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
/* Generic read/write functions with configurable length */
/*!
\brief read 16-bit data from I2C device
\param[in] slave_addr: 7-bit slave address
\brief write data to I2C device with configurable length
\param[in] slave_addr: slave device address (7-bit)
\param[in] reg_addr: register address
\param[out] data: pointer to 2-byte data buffer
\retval i2c_result_t
\param[in] data: pointer to data buffer
\param[in] length: number of bytes to write (1-255)
\param[out] none
\retval i2c_result_t: operation result
*/
i2c_result_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
i2c_result_t i2c_write(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t length);
/*!
\brief read data from I2C device with configurable length
\param[in] slave_addr: slave device address (7-bit)
\param[in] reg_addr: register address
\param[out] data: pointer to data buffer
\param[in] length: number of bytes to read (1-255)
\retval i2c_result_t: operation result
*/
i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t length);
/* Convenience functions for common operations */
/*!
\brief write single byte to I2C device
\param[in] slave_addr: slave device address (7-bit)
\param[in] reg_addr: register address
\param[in] data: data byte to write
\retval i2c_result_t: operation result
*/
i2c_result_t i2c_write_8bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data);
/*!
\brief read single byte from I2C device
\param[in] slave_addr: slave device address (7-bit)
\param[in] reg_addr: register address
\param[out] data: pointer to data byte
\retval i2c_result_t: operation result
*/
i2c_result_t i2c_read_8bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
/*!
\brief write 32-bit data to I2C device
\param[in] slave_addr: slave device address (7-bit)
\param[in] reg_addr: register address
\param[in] data: pointer to 4-byte data array
\retval i2c_result_t: operation result
*/
i2c_result_t i2c_write_32bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[4]);
/*!
\brief read 32-bit data from I2C device
\param[in] slave_addr: slave device address (7-bit)
\param[in] reg_addr: register address
\param[out] data: pointer to 4-byte data buffer
\retval i2c_result_t: operation result
*/
i2c_result_t i2c_read_32bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
/*!
\brief read display panel parameters (multi-byte)
\param[in] slave_addr: slave device address (7-bit)
\param[in] reg_addr: register address
\param[out] data: pointer to data buffer
\param[in] length: number of bytes to read (1-13)
\retval i2c_result_t: operation result
*/
i2c_result_t i2c_read_display_params(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t length);
#ifdef DEBUG_VERBOSE
/*!
\brief get status string for debugging
\param[in] status: i2c_result_t value
@@ -123,5 +184,6 @@ i2c_result_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data
\retval const char* status string
*/
const char* i2c_get_status_string(i2c_result_t status);
#endif
#endif //I2C_H