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fix iic driver

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This commit is contained in:
yelvlab
2025-08-14 19:57:57 +08:00
parent 4e0ad6e8eb
commit 88f79f7eb0
8 changed files with 1853 additions and 959 deletions
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59
Inc/i2c.h
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@@ -32,15 +32,15 @@
/******************************************************************************/
/* I2C status enumeration */
/* I2C result enumeration */
typedef enum {
I2C_STATUS_SUCCESS = 0, /* Operation successful */
I2C_STATUS_TIMEOUT, /* Timeout occurred */
I2C_STATUS_NACK, /* No acknowledge received */
I2C_STATUS_BUS_BUSY, /* Bus is busy */
I2C_STATUS_ERROR, /* General error */
I2C_STATUS_INVALID_PARAM /* Invalid parameter */
} i2c_status_t;
I2C_RESULT_SUCCESS = 0, /* Operation successful */
I2C_RESULT_TIMEOUT, /* Timeout occurred */
I2C_RESULT_NACK, /* No acknowledge received */
I2C_RESULT_BUS_BUSY, /* Bus is busy */
I2C_RESULT_ERROR, /* General error */
I2C_RESULT_INVALID_PARAM /* Invalid parameter */
} i2c_result_t;
/* I2C state machine enumeration */
typedef enum {
@@ -67,31 +67,26 @@ typedef enum {
/******************************************************************************/
/* Function declarations */
/*!
\brief configure the GPIO ports for I2C
\param[in] none
\param[out] none
\retval none
*/
void i2c_gpio_config(void);
// TODO I2C Result
/*!
\brief configure the I2C interface
\param[in] none
\param[out] none
\retval i2c_status_t
\retval i2c_result_t
*/
i2c_status_t i2c_config(void);
void i2c_config(void);
// TODO I2C Result
/*!
\brief reset I2C bus with proper recovery
\param[in] none
\param[out] none
\retval i2c_status_t
\retval i2c_result_t
*/
i2c_status_t i2c_bus_reset(void);
void i2c_bus_reset(void);
/*!
\brief scan I2C bus for devices
@@ -101,31 +96,43 @@ i2c_status_t i2c_bus_reset(void);
*/
void i2c_scan(void);
// TODO I2C Result
/*!
\brief write 16-bit data to I2C device
\param[in] slave_addr: 7-bit slave address
\param[in] reg_addr: register address
\param[in] data: pointer to 2-byte data array
\param[out] none
\retval i2c_status_t
\retval i2c_result_t
*/
i2c_status_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, const uint8_t data[2]);
uint8_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2]);
// TODO I2C Result
/*!
\brief read 16-bit data from I2C device
\param[in] slave_addr: 7-bit slave address
\param[in] reg_addr: register address
\param[out] data: pointer to 2-byte data buffer
\retval i2c_status_t
\retval i2c_result_t
*/
i2c_status_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
// TODO I2C Result
/*!
\brief read 16-bit data from I2C device
\param[in] slave_addr: 7-bit slave address
\param[in] reg_addr: register address
\param[out] data: pointer to 2-byte data buffer
\retval i2c_result_t
*/
uint8_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
/*!
\brief get status string for debugging
\param[in] status: i2c_status_t value
\param[in] status: i2c_result_t value
\param[out] none
\retval const char* status string
*/
const char* i2c_get_status_string(i2c_status_t status);
const char* i2c_get_status_string(i2c_result_t status);
#endif //I2C_H