/**
* \brief Interrupt handler for the RTC. Refreshes the display.
*/
static void sysc_handler(void)
{
uint32_t dwStatus = RTC->RTC_SR;
/* Second increment interrupt */
if ((dwStatus & RTC_SR_SEC) == RTC_SR_SEC) {
/* Disable RTC interrupt */
rtc_disable_it(RTC_IDR_SECDIS);
_RefreshDisplay();
RTC->RTC_SCCR = RTC_SCCR_SECCLR;
rtc_enable_it(RTC_IER_SECEN);
}
/* Time or date alarm */
else {
if ((dwStatus & RTC_SR_ALARM) == RTC_SR_ALARM) {
/* Disable RTC interrupt */
rtc_disable_it(RTC_IDR_ALRDIS);
alarmTriggered = 1;
_RefreshDisplay();
printf("\t Done \r");
/* shown additional menu item for clear notification */
bMenuShown = 0;
RTC->RTC_SCCR = RTC_SCCR_ALRCLR;
rtc_enable_it(RTC_IER_ALREN);
}
}
}
/**
* \brief Interrupt handler for the RTT.
*
* Displays the current time on the terminal.
*/
void RTT_Handler(void)
{
uint32_t status;
/* Get RTT status */
status = RTT_GetStatus(RTT);
/* Time has changed, refresh display */
if ((status & RTT_SR_RTTINC) == RTT_SR_RTTINC)
_RefreshDisplay();
/* Alarm */
if ((status & RTT_SR_ALMS) == RTT_SR_ALMS) {
alarmed = 1;
_RefreshDisplay();
}
}
int main(void)
{
uint8_t ucKey;
/* Disable watchdog */
wdt_disable();
/* Configure console */
board_cfg_console();
/* Output example information */
printf("\r\n\r\n\r\n");
printf("-- RTC Example " SOFTPACK_VERSION " --\r\n");
printf("-- " BOARD_NAME "\r\n");
printf("-- Compiled: " __DATE__ " " __TIME__ " --\n\r");
// put 25 °C as a default temp, if there is no temprature sensor
Temperature = 25;
printf("Configure TC.\r\n");
configure_tc();
/* Default RTC configuration */
rtc_set_hour_mode(0); /* 24-hour mode */
struct _time empty_time = {0,0,0};
if (rtc_set_time_alarm(&empty_time)) {
printf("\r\n Disable time alarm fail!");
}
struct _date empty_date = {0,0,0};
if (rtc_set_date_alarm(&empty_date)) {
printf("\r\n Disable date alarm fail!");
}
/* Configure RTC interrupts */
rtc_enable_it(RTC_IER_SECEN | RTC_IER_ALREN);
aic_set_source_vector(ID_SYSC, sysc_handler);
aic_enable(ID_SYSC);
/* Refresh display once */
_RefreshDisplay();
new_time.hour = 0;
new_time.min = 0;
new_time.sec = 30;
rtc_set_time_alarm(&new_time);
bMenuShown = 0;
alarmTriggered = 0;
rtc_calibration(Temperature);
/* Handle keypresses */
while (1) {
ucKey = console_get_char();
/* set time */
if (ucKey == 't') {
bState = STATE_SET_TIME;
aic_disable(ID_TC0);
do {
printf("\r\n\r\n Set time(hh:mm:ss): ");
} while (get_new_time());
/* if valid input, none of variable for time is 0xff */
if (new_time.hour != 0xFF) {
if (rtc_set_time (&new_time)) {
printf
("\r\n Time not set, invalid input!\n\r");
}
}
bState = STATE_MENU;
bMenuShown = 0;
_RefreshDisplay();
CountDownTimer = 0;
aic_enable(ID_TC0);
}
/* clock calibration */
else if (ucKey == 'p') {
rtc_calibration(30);
bState = STATE_MENU;
bMenuShown = 0;
_RefreshDisplay();
}
/* set date */
else if (ucKey == 'd') {
bState = STATE_SET_DATE;
aic_disable(ID_TC0);
do {
printf("\r\n\r\n Set date(mm/dd/yyyy): ");
} while (get_new_date());
/* if valid input, none of variable for date is 0xff(ff) */
if (new_date.year != 0xFFFF) {
if (rtc_set_date(&new_date)) {
printf
("\r\n Date not set, invalid input!\r\n");
}
}
/* only 'mm/dd' inputed */
if (new_date.month != 0xFF && new_date.year == 0xFFFF) {
printf("\r\n Not Set for no year field!\r\n");
}
bState = STATE_MENU;
bMenuShown = 0;
CountDownTimer = 0;
aic_enable(ID_TC0);
_RefreshDisplay();
}
/* set time alarm */
else if (ucKey == 'i') {
bState = STATE_SET_TIME_ALARM;
aic_disable(ID_TC0);
do {
printf("\r\n\r\n Set time alarm(hh:mm:ss): ");
} while (get_new_time());
if (new_time.hour != 0xFF) {
if (rtc_set_time_alarm(&new_time)) {
printf
("\r\n Time alarm not set, invalid input!\r\n");
} else {
printf
("\r\n Time alarm is set at %02d:%02d:%02d!",
new_time.hour, new_time.min, new_time.sec);
}
}
bState = STATE_MENU;
bMenuShown = 0;
alarmTriggered = 0;
CountDownTimer = 0;
aic_enable(ID_TC0);
_RefreshDisplay();
}
/* set date alarm */
else if (ucKey == 'm') {
bState = STATE_SET_DATE_ALARM;
aic_disable(ID_TC0);
do {
printf("\r\n\r\n Set date alarm(mm/dd/): ");
} while (get_new_date());
if (new_date.year == 0xFFFF && new_date.month != 0xFF) {
if (rtc_set_date_alarm(&new_date)) {
printf
("\r\n Date alarm not set, invalid input!\r\n");
} else {
printf
("\r\n Date alarm is set on %02d/%02d!",
new_date.month, new_date.day);
}
}
bState = STATE_MENU;
bMenuShown = 0;
alarmTriggered = 0;
CountDownTimer = 0;
aic_enable(ID_TC0);
_RefreshDisplay();
}
/* clear trigger flag */
else if (ucKey == 'c') {
alarmTriggered = 0;
bMenuShown = 0;
_RefreshDisplay();
}
/* quit */
else if (ucKey == 'q') {
break;
}
}
return 0;
}
/**
* \brief Application entry point for RTT example.
*
* Initializes the RTT, displays the current time and allows the user to
* perform several actions: clear the timer, set an alarm, etc.
*
* \return Unused (ANSI-C compatibility).
*/
extern int main( void )
{
unsigned char c;
/* Disable watchdog */
WDT_Disable(WDT);
SCB_EnableICache();
SCB_EnableDCache();
/* Output example information */
printf("-- RTT Example %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s With %s--\n\r", __DATE__, __TIME__, COMPILER_NAME);
/* Configure RTT */
_ConfigureRtt();
/* Initialize state machine */
state = STATE_MAINMENU;
alarmed = 0;
_RefreshDisplay();
/* User input loop */
while (1) {
/* Wait for user input */
c = DBG_GetChar();
/* Main menu mode */
if (state == STATE_MAINMENU) {
/* Reset timer */
if (c == 'r') {
_ConfigureRtt();
_RefreshDisplay();
}
/* Set alarm */
else
if (c == 's') {
state = STATE_SETALARM;
newAlarm = 0;
_RefreshDisplay();
}
/* Clear alarm */
else {
if ((c == 'c') && alarmed) {
alarmed = 0;
_RefreshDisplay();
}
}
}
/* Set alarm mode */
else {
if (state == STATE_SETALARM) {
/* Number */
if ((c >= '0') && (c <= '9')) {
newAlarm = newAlarm * 10 + c - '0';
_RefreshDisplay();
}
/* Backspace */
else {
if (c == 8) {
newAlarm /= 10;
_RefreshDisplay();
}
/* Enter key */
else {
if (c == 13) {
/* Avoid newAlarm = 0 case */
if (newAlarm != 0) {
RTT_SetAlarm(RTT, newAlarm);
}
state = STATE_MAINMENU;
_RefreshDisplay();
}
}
}
}
}
}
}
