Start CSIH extended data transmission by slave mode.
| This API function repeats the 2 byte-level CSIH transmission from the buffer specified in argument tx_buf the number of bits specified in argument tx_num. | 
| R_CSIHm_Start must be called before this API function is called. | 
| #include "r_cg_macrodriver.h" MD_STATUS r_CSIHm_Slave_Send ( const uint16_t * tx_buf, uint16_t tx_bit_num); |