/*********************************************************************//**
* @brief c_entry: Main program body
* @param[in] None
* @return int
**********************************************************************/
int c_entry (void)
{
/* Initialize debug via UART0
* – 115200bps
* – 8 data bit
* – No parity
* – 1 stop bit
* – No flow control
*/
debug_frmwrk_init();
// print welcome screen
print_menu();
/* Initialize and configure RTC */
RTC_Init(LPC_RTC);
RTC_ResetClockTickCounter(LPC_RTC);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_SECOND, 0);
/* Set alarm time = 5s.
* So, after each 5s, RTC will generate and wake-up system
* out of Deep PowerDown mode.
*/
RTC_SetAlarmTime (LPC_RTC, RTC_TIMETYPE_SECOND, 5);
RTC_CntIncrIntConfig (LPC_RTC, RTC_TIMETYPE_SECOND, DISABLE);
/* Set the AMR for 5s match alarm interrupt */
RTC_AlarmIntConfig (LPC_RTC, RTC_TIMETYPE_SECOND, ENABLE);
RTC_ClearIntPending(LPC_RTC, RTC_INT_ALARM);
_DBG_("Press '1' to enter system in Deep PowerDown mode");
while(_DG !='1');
RTC_Cmd(LPC_RTC, ENABLE);
NVIC_EnableIRQ(RTC_IRQn);
_DBG_("Enter Deep PowerDown mode...");
_DBG_("Wait 5s, RTC will wake-up system...\n\r");
// Enter target power down mode
CLKPWR_DeepPowerDown();
while(1);
return 1;
}
static void init_RTC()
{
/* Enable GPIO register interface clock */
LPC_CCU1->CLK_M4_GPIO_CFG |= 1;
while (!(LPC_CCU1->CLK_M4_GPIO_STAT & 1)) ;
/* RTC Block section ------------------------------------------------------ */
/* Init RTC module */
RTC_Init(LPC_RTC);
/* Set ALARM time for second */
RTC_SetAlarmTime (LPC_RTC, RTC_TIMETYPE_SECOND, 30);
/* Set the AMR for 30s match alarm interrupt */
RTC_AlarmIntConfig (LPC_RTC, RTC_TIMETYPE_SECOND, ENABLE);
/* Set the CIIR for minute counter interrupt*/
RTC_CntIncrIntConfig (LPC_RTC, RTC_TIMETYPE_MINUTE, ENABLE);
/* Enable rtc (starts increase the tick counter and second counter register) */
RTC_Cmd(LPC_RTC, ENABLE);
}
/*********************************************************************//**
* @brief c_entry: Main RTC program body
* @param[in] None
* @return int
**********************************************************************/
int c_entry(void)
{
RTC_TIME_Type RTCFullTime;
/* Initialize debug via UART0
* – 115200bps
* – 8 data bit
* – No parity
* – 1 stop bit
* – No flow control
*/
debug_frmwrk_init();
// print welcome screen
print_menu();
/* RTC Block section ------------------------------------------------------ */
// Init RTC module
RTC_Init(LPC_RTC);
/* Disable RTC interrupt */
NVIC_DisableIRQ(RTC_IRQn);
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(RTC_IRQn, ((0x01<<3)|0x01));
/* Enable rtc (starts increase the tick counter and second counter register) */
RTC_ResetClockTickCounter(LPC_RTC);
RTC_Cmd(LPC_RTC, ENABLE);
RTC_CalibCounterCmd(LPC_RTC, DISABLE);
/* Set current time for RTC */
// Current time is 8:00:00PM, 2009-04-24
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_SECOND, 0);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_MINUTE, 0);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_HOUR, 20);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_MONTH, 4);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_YEAR, 2009);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_DAYOFMONTH, 24);
/* Set ALARM time for second */
RTC_SetAlarmTime (LPC_RTC, RTC_TIMETYPE_SECOND, 10);
// Get and print current time
RTC_GetFullTime (LPC_RTC, &RTCFullTime);
_DBG( "Current time set to: ");
_DBD((RTCFullTime.HOUR)); _DBG (":");
_DBD ((RTCFullTime.MIN)); _DBG (":");
_DBD ((RTCFullTime.SEC)); _DBG(" ");
_DBD ((RTCFullTime.DOM)); _DBG("/");
_DBD ((RTCFullTime.MONTH)); _DBG("/");
_DBD16 ((RTCFullTime.YEAR)); _DBG_("");
_DBG("Second ALARM set to ");
_DBD (RTC_GetAlarmTime (LPC_RTC, RTC_TIMETYPE_SECOND));
_DBG_("s");
/* Set the CIIR for second counter interrupt*/
RTC_CntIncrIntConfig (LPC_RTC, RTC_TIMETYPE_SECOND, ENABLE);
/* Set the AMR for 10s match alarm interrupt */
RTC_AlarmIntConfig (LPC_RTC, RTC_TIMETYPE_SECOND, ENABLE);
/* Enable RTC interrupt */
NVIC_EnableIRQ(RTC_IRQn);
/* Loop forever */
while(1);
return 1;
}
