| Ucs_Return_t Ucs_I2c_ReadPort | ( | Ucs_Inst_t * | self, | 
| uint16_t | destination_address, | ||
| uint16_t | port_handle, | ||
| uint8_t | slave_address, | ||
| uint8_t | data_len, | ||
| uint16_t | timeout, | ||
| Ucs_I2c_ReadPortResCb_t | result_fptr | ||
| ) | 
Reads a block of bytes from an I2C device at a specified I2C address.
| This function corresponds with the INIC function INIC.I2CPortRead. | 
| self | The UNICENS instance pointer | ||
| destination_address | Address of the target device. Use the UCS_ADDR_LOCAL_DEVmacro to target the local device.The following address ranges are supported: 
 | ||
| port_handle | Port resource handle. 
 | ||
| slave_address | The 7-bit I2C slave address of the peripheral to be read. 
 | ||
| data_len | Number of bytes to be read from the address. 
 | ||
| timeout | The timeout for the I2C Port read. 
 | ||
| result_fptr | Required result callback function pointer. | 
| Value | Description | 
|---|---|
| UCS_RET_SUCCESS | No error | 
| UCS_RET_ERR_PARAM | At least one parameter is wrong | 
| UCS_RET_ERR_BUFFER_OVERFLOW | No message buffer available | 
| UCS_RET_ERR_API_LOCKED | API is currently locked | 
| UCS_RET_ERR_NOT_INITIALIZED | UNICENS is not initialized | 
 Example