1.1.11.19 I2CSMBx_HostWriteBlock Function
C
/* x = I2C SMBUS peripheral instance number */
/* I2C SMBUS Host mode */
void I2CSMBx_HostWriteBlock(uint8_t address, uint8_t cmd, void* pWrdata, uint32_t nWrBytes)
Summary
Writes a block of data to the slave.
Description
This function forms a block write packet and initiates the transfer
Precondition
I2CSMBx_Initialize must have been called for the associated I2C instance.
Parameters
Param | Description |
---|---|
address | 7-bit / 10-bit slave address. |
cmd | command byte |
pWrdata | pointer to the buffer containing the data bytes |
nWrBytes | Number of bytes to write |
Returns
None
Example
#define HOST_CMD_WRITE_BYTE 2 for (uint32_t i = 0; i < 32; i++) { wrBuffer[i] = i+1; } I2CSMB0_HostWriteBlock(I2C_SLAVE_ADDR, HOST_CMD_WRITE_BLOCK, wrBuffer, 32);
Remarks
None