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| #include <asf.h>
struct usart_module usart_instance_edison;
void rtc_match_callback(void);
void configure_rtc_callbacks(void);
void configure_rtc_calendar(void);
//! [rtc_module_instance]
struct rtc_module rtc_instance;
//! [rtc_module_instance]
//! [alarm_struct]
struct rtc_calendar_alarm_time alarm;
//! [alarm_struct]
//! [callback]
void rtc_match_callback(void)
{
/* Do something on RTC alarm match here */
port_pin_toggle_output_level(LED_0_PIN);
/* Set new alarm in 5 seconds */
//! [alarm_mask]
alarm.mask = RTC_CALENDAR_ALARM_MASK_SEC;
//! [alarm_mask]
//! [set_alarm]
alarm.time.second += 5;
alarm.time.second = alarm.time.second % 60;
rtc_calendar_set_alarm(&rtc_instance, &alarm, RTC_CALENDAR_ALARM_0);
//! [set_alarm]
}
//! [callback]
//! [setup_callback]
void configure_rtc_callbacks(void)
{
//! [reg_callback]
rtc_calendar_register_callback(
&rtc_instance, rtc_match_callback, RTC_CALENDAR_CALLBACK_ALARM_0);
//! [reg_callback]
//! [en_callback]
rtc_calendar_enable_callback(&rtc_instance, RTC_CALENDAR_CALLBACK_ALARM_0);
//! [en_callback]
}
//! [setup_callback]
//! [initialize_rtc]
void configure_rtc_calendar(void)
{
/* Initialize RTC in calendar mode. */
//! [init_conf]
struct rtc_calendar_config config_rtc_calendar;
rtc_calendar_get_config_defaults(&config_rtc_calendar);
//! [init_conf]
//! [time_struct]
alarm.time.year = 2013;
alarm.time.month = 1;
alarm.time.day = 1;
alarm.time.hour = 0;
alarm.time.minute = 0;
alarm.time.second = 4;
//! [time_struct]
//! [set_config]
config_rtc_calendar.clock_24h = true;
config_rtc_calendar.alarm[0].time = alarm.time;
config_rtc_calendar.alarm[0].mask = RTC_CALENDAR_ALARM_MASK_YEAR;
//! [set_config]
//! [init_rtc]
rtc_calendar_init(&rtc_instance, RTC, &config_rtc_calendar);
//! [init_rtc]
//! [enable]
rtc_calendar_enable(&rtc_instance);
//! [enable]
}
//! [initialize_rtc]
void configure_usart_edison(void) //UART Edison DEBUG
{
struct usart_config config_usart_edison;
struct port_config config_port_pin;
usart_get_config_defaults(&config_usart_edison);
port_get_config_defaults(&config_port_pin);
config_port_pin.direction = PORT_PIN_DIR_OUTPUT;
port_pin_set_config(PIN_PA02, &config_port_pin);
config_usart_edison.baudrate = 19200; //115200
config_usart_edison.mux_setting = USART_RX_1_TX_0_XCK_1; //RX PA05 et TX PA04 si on utilise SERCOM0 ou bien PA09 et PA08 USART_RX_0_TX_2_XCK_3
config_usart_edison.pinmux_pad0 = PINMUX_PB16C_SERCOM5_PAD0;
config_usart_edison.pinmux_pad1 = PINMUX_PB17C_SERCOM5_PAD1;
config_usart_edison.pinmux_pad2 = PINMUX_UNUSED;
config_usart_edison.pinmux_pad3 = PINMUX_UNUSED;
config_usart_edison.character_size= USART_CHARACTER_SIZE_8BIT;
config_usart_edison.stopbits = USART_STOPBITS_1;
while (usart_init(&usart_instance_edison, SERCOM5, &config_usart_edison) != STATUS_OK); //usart_init(&usart_instance_debug, SERCOM5, &usart_instance_debug)
stdio_serial_init(&usart_instance_edison, SERCOM5, &config_usart_edison); // Redirect output to uart
usart_enable(&usart_instance_edison);
printf("Usart init\r\n");
}
int main(void)
{
//! [run_initialize_rtc]
//! [system_init]
system_init();
delay_init();
configure_usart_edison();
//! [system_init]
//! [time]
struct rtc_calendar_time time;
rtc_calendar_get_time_defaults(&time);
time.year = 2017;
time.month = 12;
time.day = 13;
time.hour = 10;
time.minute = 38;
time.second = 35;
configure_rtc_calendar();
configure_rtc_callbacks();
rtc_calendar_set_time(&rtc_instance, &time);
//! [set_time]
//! [run_initialize_rtc]
//! [while]
//! [main_loop]
while (true) {
rtc_calendar_get_time(&rtc_instance, &time);
printf("%02d/%02d/%4d | %02d:%02d:%02d\r\n", time.day, time.month, time.year, time.hour, time.minute, time.second);
delay_s(1);
//! [main_loop]
/* Infinite loop */
}
//! [while]
} |
Problème RTC ATSAMD20J18 / system clock
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