R_IICAn_Master_Send


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