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AM273x MCU+ SDK
08.06.00
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133 #define I2C_MODE_BLOCKING ((uint8_t) 0U)
134 #define I2C_MODE_CALLBACK ((uint8_t) 1U)
143 #define I2C_100KHZ ((uint8_t) 0U)
144 #define I2C_400KHZ ((uint8_t) 1U)
145 #define I2C_1P0MHZ ((uint8_t) 2U)
146 #define I2C_3P4MHZ ((uint8_t) 3U)
154 #define I2C_STS_SUCCESS ( 0)
155 #define I2C_STS_ERR (-1)
156 #define I2C_STS_ERR_TIMEOUT (-2)
157 #define I2C_STS_ERR_BUS_BUSY (-3)
158 #define I2C_STS_ERR_NO_ACK (-4)
159 #define I2C_STS_ERR_ARBITRATION_LOST (-5)
160 #define I2C_STS_ERR_ACCESS_ERROR (-6)
161 #define I2C_STS_ERR_COMMAND_FAILURE (-7)
162 #define I2C_STS_ERR_INVALID_COMMAND (-8)
163 #define I2C_STS_RESTART (-9)
178 typedef struct I2C_HwAttrs_s {
215 typedef struct I2C_Transaction_s {
279 typedef struct I2C_Params_s {
293 typedef struct I2C_Object_s {
342 typedef struct I2C_Config_s {
void * arg
Definition: i2c/v1/i2c.h:248
uint32_t ownTargetAddr
Definition: i2c/v1/i2c.h:190
I2C Object.
Definition: i2c/v1/i2c.h:293
I2C Hardware attributes.
Definition: i2c/v1/i2c.h:178
I2C_Transaction * tailPtr
Definition: i2c/v1/i2c.h:321
int32_t I2C_transfer(I2C_Handle handle, I2C_Transaction *transaction)
Function to initiate a transfer from I2C.
void * nextPtr
Definition: i2c/v1/i2c.h:245
uint8_t * readBufIdx
Definition: i2c/v1/i2c.h:313
SemaphoreP_Object transferComplete
Definition: i2c/v1/i2c.h:298
I2C Global configuration.
Definition: i2c/v1/i2c.h:342
bool isOpen
Definition: i2c/v1/i2c.h:323
void I2C_close(I2C_Handle handle)
Function to close the I2C.
const void * writeBuf
Definition: i2c/v1/i2c.h:220
void I2C_Transaction_init(I2C_Transaction *transaction)
Function to set default values of I2C_Transaction in transaction.
I2C_Transaction * headPtr
Definition: i2c/v1/i2c.h:319
I2C_HwAttrs const * hwAttrs
Definition: i2c/v1/i2c.h:346
bool enableIntr
Definition: i2c/v1/i2c.h:188
uint32_t targetAddress
Definition: i2c/v1/i2c.h:242
void(* I2C_CallbackFxn)(I2C_Handle handle, I2C_Transaction *msg, int32_t transferStatus)
I2C callback function.
Definition: i2c/v1/i2c.h:365
uint32_t intStatusErr
Definition: i2c/v1/i2c.h:325
I2C transaction.
Definition: i2c/v1/i2c.h:215
I2C Parameters.
Definition: i2c/v1/i2c.h:279
I2C_Handle I2C_open(uint32_t idx, const I2C_Params *params)
Open the I2C at index idx with parameters params.
void I2C_deinit(void)
De-nitialize the I2C module.
uint8_t * writeBufIdx
Definition: i2c/v1/i2c.h:309
SemaphoreP_Object mutex
Definition: i2c/v1/i2c.h:296
uint32_t baseAddr
Definition: i2c/v1/i2c.h:327
uint32_t timeout
Definition: i2c/v1/i2c.h:251
bool expandSA
Definition: i2c/v1/i2c.h:257
struct I2C_Config_s * I2C_Handle
A handle that is returned from a I2C_open() call.
Definition: i2c/v1/i2c.h:173
int32_t I2C_setBusFrequency(I2C_Handle handle, uint32_t busFrequency)
Function to set the bus frequency.
I2C_Params i2cParams
Definition: i2c/v1/i2c.h:302
I2C_Object * object
Definition: i2c/v1/i2c.h:344
I2C_Handle I2C_getHandle(uint32_t index)
This function returns the handle of an open I2C instance from the instance index.
uint32_t intNum
Definition: i2c/v1/i2c.h:182
uint32_t writeCountIdx
Definition: i2c/v1/i2c.h:311
bool controllerMode
Definition: i2c/v1/i2c.h:254
uint32_t readCountIdx
Definition: i2c/v1/i2c.h:315
void * readBuf
Definition: i2c/v1/i2c.h:230
Opaque Hwi object used with the Hwi APIs.
Definition: HwiP.h:91
size_t writeCount
Definition: i2c/v1/i2c.h:225
uint32_t baseAddr
Definition: i2c/v1/i2c.h:180
Opaque semaphore object used with the semaphore APIs.
Definition: SemaphoreP.h:59
uint32_t eventId
Definition: i2c/v1/i2c.h:184
void I2C_Params_init(I2C_Params *params)
Function to set default values of I2C_Params in params.
uint32_t funcClk
Definition: i2c/v1/i2c.h:186
size_t readCount
Definition: i2c/v1/i2c.h:235
int32_t I2C_probe(I2C_Handle handle, uint32_t targetAddr)
Function to probe I2C.
uint8_t state
Definition: i2c/v1/i2c.h:304
void I2C_init(void)
Initialize the I2C module.
uint8_t bitRate
Definition: i2c/v1/i2c.h:285
I2C_Transaction * currentTransaction
Definition: i2c/v1/i2c.h:307
uint8_t transferMode
Definition: i2c/v1/i2c.h:281
HwiP_Object hwiObj
Definition: i2c/v1/i2c.h:300