sub_i2c_transfer

Synopsis

int sub_i2c_transfer( sub_handle hndl, int sa,

                 char* wr_buf, int wr_buf_sz, char* rd_buf, int rd_buf_sz )

Perform I2C master write transaction followed by master read transaction. Transactions will have following format:

Function has no limitation of the read data size - rd_buf_sz parameter. However internal organization of the I2C slave device being read should be considered.

Parameters

•sa - Slave Address

•wr_buf - Buffer for data to be written

•wr_buf_sz - Write data size bytes

•rd_buf - Buffer for data to be read

•rd_buf_sz - Read data size bytes

Return value

On success function returns 0. Otherwise error code.

See also

Error Codes, I2C Status

Compatibility