Starts IICA master transmission.
Remark This API function repeats the byte-level IICA master transmission from the buffer specified in argument tx_buf the number of times specified in argument tx_num.
[Syntax]
#include “r_cg_macrodriver.h”
MD_STATUS
R_IICAn_Master_Send ( uint8_t adr, uint8_t * const
tx_buf,
uint16_t tx_num, uint8_t wait
);
Remark n is the channel number.
[Argument(s)]
|
I/O |
Argument |
Description |
|
I |
uint8_t adr; |
Slave address |
|
I |
uint8_t * const tx_buf; |
Pointer to a buffer storing the transmission data |
|
I |
uint16_t tx_num; |
Total amount of data to send |
|
I |
uint8_t wait |
Setup time of start conditions |
[Return value]
|
Macro |
Description |
|
MD_OK |
Normal completion |
|
MD_ERROR1 |
Bus communication status |
|
MD_ERROR2 |
Bus not released status |