Usage example (Slave, Transmit)
Transmit 4Bytes data by Slave.
[GUI setting example]
|
Serial |
Used | |||
|
IICA0 |
Used | |||
|
Transfer mode |
Slave | |||
|
Slave0 |
||||
|
Clock mode setting |
fCLK/2 | |||
|
Local address setting |
0xA0 | |||
|
Operation mode setting |
Normal | |||
|
Wakeup function setting |
Off | |||
|
Communication endinterrupt priority (INTIICA0) |
Low | |||
|
Slave transmission end (Callback function setting) |
Used | |||
|
Slave reception end (Callback function setting) |
Unused | |||
[API setting example]
r_main.c
/* Start user code for global. Do not edit comment generated here */
volatile uint8_t g_iica0_tx_buf[4] = { 'A', 'B', 'C', 'D' };
/* End user code. Do not edit comment generated here */
void main(void)
{
R_MAIN_UserInit();
/* Start user code. Do not edit comment generated here */
/* Send data as slave mode */
R_IICA0_Slave_Send((uint8_t *)g_iica0_tx_buf, 4U);
while (1U)
{
;
}
/* End user code. Do not edit comment generated here */
}
r_cg_serial_user.c
static void r_iica0_callback_slave_sendend(void)
{
/* Start user code. Do not edit comment generated here */
/* Stop IICA0 module operation */
R_IICA0_Stop();
/* End user code. Do not edit comment generated here */
}