1.2.21.63 1.3.25.63 1.4.21.63 1.5.25.63 1.6.22.63 1.7.23.63 1.9.19.63 1.29.23.63 1.30.18.63 1.31.18.63 1.32.26.63 1.33.16.63 1.37.18.63 1.38.21.63 1.39.18.63 1.40.20.63 SERCOMx_I2C_ReadByte Function
C
/* x = SERCOM instance number */
/* I2C slave mode */
uint8_t SERCOMx_I2C_ReadByte(void)
Summary
Read the received I2C byte
Description
This function returns the I2C data byte.
Precondition
SERCOMx_I2C_Initialize must have been called for the associated SERCOM I2C instance
Parameters
None.
Returns
The data byte present in the data buffer
Example
bool APP_SERCOM_I2C_Callback ( SERCOM_I2C_SLAVE_TRANSFER_EVENT event, uintptr_t contextHandle ) { switch(event) { case SERCOM_I2C_SLAVE_TRANSFER_EVENT_ADDR_MATCH: // Handle address match event break; case SERCOM_I2C_SLAVE_TRANSFER_EVENT_RX_READY: // Read the received data byte rxData = SERCOM0_I2C_ReadByte(); break; case SERCOM_I2C_SLAVE_TRANSFER_EVENT_TX_READY: // Provide data to I2C master SERCOM0_I2C_WriteByte(txData); break; case SERCOM_I2C_SLAVE_TRANSFER_EVENT_STOP_BIT_RECEIVED: // Handle stop bit received event break; } }
Remarks
None.