Usage example (Slave, Reception)
Receive 4Bytes data by Slave.
[GUI setting example]
Serial |
Used | |||
SAU0 |
Unused | |||
SAU1 |
Unused | |||
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) |
Unused | |||
Slave reception end (Callback function setting) |
Used | |||
Slave error (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_rx_buf[4];
/* End user code. Do not edit comment generated here */
void main(void)
{
R_MAIN_UserInit();
/* Start user code. Do not edit comment generated here */
/* Receive data as slave mode */
R_IICA0_Slave_Receive((uint8_t *)g_iica0_rx_buf, 4U);
while (1U)
{
;
}
/* End user code. Do not edit comment generated here */
}
r_cg_serial_user.c
static void r_iica0_callback_slave_receiveend(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 */
}