Everything

R_UARTm_Send


Start UART data transmission.

Remark 1.

This API function repeats the 1 byte-level UART transmission from the buffer specified in argument tx_buf the number of times specified in argument tx_num.

Remark 2.

R_UARTm_Start must be called before this API function is called.

[Syntax]

#include    "r_cg_macrodriver.h"
MD_STATUS    R_CUARTm_Send ( const uint16_t * tx_buf, uint16_t tx_num );

Remark

m is the channel number.

[Argument(s)]

I/O

Argument(s)

Description

I

const uint16_t * tx_buf;

Pointer to a buffer storing the transmission data

I

uint16_t tx_num;

Total amount of data to send

[[Return value]

Macro

Description

MD_OK

Normal completion

MD_ARGERROR

Invalid argument specification