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Data Structures | |
struct | I2C_HwAttrs |
I2C Hardware attributes. More... | |
struct | I2C_Transaction |
I2C transaction. More... | |
struct | I2C_Params |
I2C Parameters. More... | |
struct | I2C_Object |
I2C Object. More... | |
struct | I2C_Config |
I2C Global configuration. More... | |
Macros | |
#define | I2C_MAX_NUM_OWN_SLAVE_ADDR (4U) |
MACROS used to select the transfer mode | |
#define | I2C_MODE_BLOCKING ((uint8_t) 0U) |
#define | I2C_MODE_CALLBACK ((uint8_t) 1U) |
MACROS used to select one of the standardized bus bit rates for | |
#define | I2C_100KHZ ((uint8_t) 0U) |
#define | I2C_400KHZ ((uint8_t) 1U) |
#define | I2C_1P0MHZ ((uint8_t) 2U) |
#define | I2C_3P4MHZ ((uint8_t) 3U) |
MACROS for the return values of I2C_transfer() | |
#define | I2C_STS_SUCCESS ( 0) |
#define | I2C_STS_ERR (-1) |
#define | I2C_STS_ERR_TIMEOUT (-2) |
#define | I2C_STS_ERR_BUS_BUSY (-3) |
#define | I2C_STS_ERR_NO_ACK (-4) |
#define | I2C_STS_ERR_ARBITRATION_LOST (-5) |
#define | I2C_STS_ERR_ACCESS_ERROR (-6) |
#define | I2C_STS_ERR_COMMAND_FAILURE (-7) |
#define | I2C_STS_ERR_INVALID_COMMAND (-8) |
#define | I2C_STS_RESTART (-9) |
Typedefs | |
typedef struct I2C_Config_s * | I2C_Handle |
A handle that is returned from a I2C_open() call. More... | |
typedef void(* | I2C_CallbackFxn) (I2C_Handle handle, I2C_Transaction *msg, int32_t transferStatus) |
I2C callback function. More... | |
Functions | |
void | I2C_init (void) |
Initialize the I2C module. More... | |
void | I2C_deinit (void) |
De-nitialize the I2C module. More... | |
void | I2C_Params_init (I2C_Params *params) |
Function to set default values of I2C_Params in params. More... | |
I2C_Handle | I2C_open (uint32_t idx, const I2C_Params *params) |
Open the I2C at index idx with parameters params. More... | |
void | I2C_Transaction_init (I2C_Transaction *transaction) |
Function to set default values of I2C_Transaction in transaction. More... | |
int32_t | I2C_transfer (I2C_Handle handle, I2C_Transaction *transaction) |
Function to initiate a transfer from I2C. More... | |
int32_t | I2C_probe (I2C_Handle handle, uint32_t slaveAddr) |
Function to probe I2C. More... | |
int32_t | I2C_setBusFrequency (I2C_Handle handle, uint32_t busFrequency) |
Function to set the bus frequency. More... | |
int32_t | I2C_recoverBus (I2C_Handle handle, uint32_t i2cDelay) |
Function to recover the bus in case of error. More... | |
void | I2C_close (I2C_Handle handle) |
Function to close the I2C. More... | |
I2C_Handle | I2C_getHandle (uint32_t index) |
This function returns the handle of an open I2C instance from the instance index. More... | |