/**
* This function will set MCU RTC time to a new value. Time value must be given in the format of
* the structure wiced_rtc_time_t
*
* @return WICED_SUCCESS : on success.
* @return WICED_ERROR : if an error occurred with any step
*/
OSStatus platform_rtc_set_time( const mico_rtc_time_t* time )
{
#ifdef MICO_ENABLE_MCU_RTC
bool valid = false;
MICO_VERIFY_TIME(time, valid);
if( valid == false )
{
return kParamErr;
}
Chip_RTC_SetCount(LPC_RTC, convert_rtc_calendar_values_to_units_passed( time ));
return kNoErr;
#else /* #ifdef MICO_ENABLE_MCU_RTC */
UNUSED_PARAMETER(time);
return kUnsupportedErr;
#endif /* #ifdef MICO_ENABLE_MCU_RTC */
}
// Set the current time given a time string in the format
// 2015-02-21 05:57:00
void setTime(char *timeStr){
// Enable and configure Real-Time Clock
Chip_Clock_EnableRTCOsc();
Chip_RTC_Init(LPC_RTC);
// Set time in human readable form
struct tm tm;
time_t t = 0;
tm = *localtime(&t);
sscanf(timeStr, "%u-%u-%u %u:%u:%u",
&(tm.tm_year), &(tm.tm_mon), &(tm.tm_mday), &(tm.tm_hour), &(tm.tm_min), &(tm.tm_sec));
tm.tm_year -= 1900;
tm.tm_mon -= 1;
tm.tm_isdst = 0; // No DST accounting
t = mktime(&tm);
Chip_RTC_Reset(LPC_RTC); // Set then clear SWRESET bit
Chip_RTC_SetCount(LPC_RTC, t); // Set the time
Chip_RTC_Enable(LPC_RTC); // Start counting
log_string("Time Set");
}
/**
* @brief Main program body
* @return int
*/
int main(void)
{
CHIP_PMU_MCUPOWER_T crntPowerSetting;
/* Setup SystemCoreClock and any needed board code */
SystemCoreClockUpdate();
Board_Init();
Board_LED_Set(0, true);
/* Clear any previously set deep power down and sleep flags */
Chip_PMU_ClearSleepFlags(LPC_PMU, PMU_PCON_SLEEPFLAG | PMU_PCON_DPDFLAG);
/* Enable the RTC oscillator, oscillator rate can be determined by
calling Chip_Clock_GetRTCOscRate() */
Chip_Clock_EnableRTCOsc();
/* Initialize RTC driver (enables RTC clocking) */
Chip_RTC_Init(LPC_RTC);
/* RTC reset */
Chip_RTC_Reset(LPC_RTC);
/* Start RTC at a count of 0 when RTC is disabled. If the RTC is enabled, you
need to disable it before setting the initial RTC count. */
Chip_RTC_Disable(LPC_RTC);
Chip_RTC_SetCount(LPC_RTC, 0);
/* Set a long alarm time so the interrupt won't trigger */
Chip_RTC_SetAlarm(LPC_RTC, 1000);
/* Enable RTC */
Chip_RTC_Enable(LPC_RTC);
/* Clear latched RTC interrupt statuses */
Chip_RTC_ClearStatus(LPC_RTC, (RTC_CTRL_OFD | RTC_CTRL_ALARM1HZ | RTC_CTRL_WAKE1KHZ));
/* Enable RTC interrupt */
NVIC_EnableIRQ(RTC_ALARM_IRQn);
/* Enable RTC alarm interrupt */
Chip_RTC_EnableWakeup(LPC_RTC, RTC_CTRL_ALARMDPD_EN);
/* Output example's activity banner */
DEBUGSTR("\r\n");
DEBUGSTR("-----------------------------------------------------------------\r\n");
#ifdef RESET_POWER_CYCLE_COUNT
ProcessCycleCounter();
DEBUGOUT("Power Control Example\r\n");
#else
DEBUGOUT("Power Control Example Cycle Count: %d\r\n", ProcessCycleCounter());
#endif
DEBUGSTR(" System will cycle through SLEEP, DEEP SLEEP, POWER\r\n");
DEBUGSTR(" DOWN, and DEEP POWER DOWN power states\r\n");
DEBUGSTR("-----------------------------------------------------------------\r\n\r\n");
/* Setup alarm, process next power state then wait for alarm to wake-up system */
crntPowerSetting = PMU_MCU_SLEEP;
while (1) {
/* Set alarm to wakeup in POWER_CYCLE_SEC_DELAY seconds */
Chip_RTC_SetAlarm(LPC_RTC, Chip_RTC_GetCount(LPC_RTC) + POWER_CYCLE_SEC_DELAY);
/* Enter first (or next) power state */
ProcessPowerState(crntPowerSetting);
/* Inc current power setting and test for overflow */
if (crntPowerSetting == PMU_MCU_DEEP_PWRDOWN) {
/* Reset to lowest power setting */
crntPowerSetting = PMU_MCU_SLEEP;
}
else {
crntPowerSetting++;
}
}
return 0;
}
/**
* @brief Main program body
* @return int
*/
int main(void)
{
uint32_t rtcCount;
/* Starting time for this example used to set the RTC */
struct tm startTime = {
56, /* tm_sec, seconds after the minute, 0 to 59 */
59, /* tm_min, minutes after the hour, 0 to 59 */
23, /* tm_hour, hours since midnight, 0 to 23 */
25, /* tm_mday, day of the month, 1 to 31 */
9, /* tm_mon, months since January, 0 to 11 */
(2014 - TM_YEAR_BASE), /* tm_year, years since base year (1900) */
/* The following 3 fields are not used by the ConvertTimeRtc() function,
while the ConvertRtcTime() fucntion will generate data in them from an
RTC tick (except tm_isdst) */
0, /* tm_wday, days since Sunday, 0 to 6 */
0, /* tm_yday, days since January 1, 0 to 365 */
0 /* tm_isdst, Daylight Savings Time flag */
};
/* Setup SystemCoreClock and any needed board code */
SystemCoreClockUpdate();
Board_Init();
Board_LED_Set(0, false);
/* Turn on the RTC 32K Oscillator */
Chip_SYSCON_PowerUp(SYSCON_PDRUNCFG_PD_32K_OSC);
/* Enable the RTC oscillator, oscillator rate can be determined by
calling Chip_Clock_GetRTCOscRate() */
Chip_Clock_EnableRTCOsc();
/* Initialize RTC driver (enables RTC clocking) */
Chip_RTC_Init(LPC_RTC);
/* RTC reset */
Chip_RTC_Reset(LPC_RTC);
/* Start RTC at a count of 0 when RTC is disabled. If the RTC is enabled, you
need to disable it before setting the initial RTC count. */
Chip_RTC_Disable(LPC_RTC);
/* COnvert tm structure to RTC tick count */
ConvertTimeRtc(&startTime, &rtcCount);
Chip_RTC_SetCount(LPC_RTC, rtcCount);
/* Set alarm to wakeup in 5s */
DEBUGOUT("Setting alarm to trigger in 5s\r\n");
rtcCount += 5;
Chip_RTC_SetAlarm(LPC_RTC, rtcCount);
/* Enable RTC */
Chip_RTC_Enable(LPC_RTC);
/* Clear latched RTC interrupt statuses */
Chip_RTC_ClearStatus(LPC_RTC, (RTC_CTRL_OFD | RTC_CTRL_ALARM1HZ | RTC_CTRL_WAKE1KHZ));
/* Enable RTC interrupt */
NVIC_EnableIRQ(RTC_IRQn);
/* Enable RTC alarm interrupt */
Chip_RTC_EnableWakeup(LPC_RTC, (RTC_CTRL_ALARMDPD_EN | RTC_CTRL_WAKEDPD_EN));
/* Sleep and do all the work in the RTC interrupt handler */
while (1) {
/* 10 high resolution ticks that get slower each tick */
if (rtcAlarm) {
/* Will not reset alarm */
DEBUGOUT("Alarm triggered, alarm reset to trigger in 5s\r\n");
rtcCount = Chip_RTC_GetCount(LPC_RTC) + 5;
Chip_RTC_SetAlarm(LPC_RTC, rtcCount);
rtcAlarm = false;
}
/* Show RTC time in UT format */
showTime(Chip_RTC_GetCount(LPC_RTC));
/* Sleep while waiting for alarm */
__WFI();
}
return 0;
}
/**
* @brief Main program body
* @return int
*/
int main(void)
{
int stateCounter = 0;
/* Setup SystemCoreClock and any needed board code */
SystemCoreClockUpdate();
Board_Init();
Board_LED_Set(0, false);
/* Turn on the RTC 32K Oscillator by clearing the power down bit */
if ( !Is_Chip_SYSCTL_PowerUp(PDRUNCFG_PD_32K_OSC) ) {
Chip_SYSCTL_PowerUp(PDRUNCFG_PD_32K_OSC);
}
/* Enable the RTC oscillator, oscillator rate can be determined by
calling Chip_Clock_GetRTCOscRate() */
Chip_Clock_EnableRTCOsc();
/* Initialize RTC driver (enables RTC clocking) */
Chip_RTC_Init(LPC_RTC);
/* Enable RTC as a peripheral wakeup event */
Chip_SYSCTL_EnableWakeup(STARTERP0_RTC);
/* RTC reset */
Chip_RTC_Reset(LPC_RTC);
/* Start RTC at a count of 0 when RTC is disabled. If the RTC is enabled, you
need to disable it before setting the initial RTC count. */
Chip_RTC_Disable(LPC_RTC);
Chip_RTC_SetCount(LPC_RTC, 0);
/* Set a long alarm time so the interrupt won't trigger */
Chip_RTC_SetAlarm(LPC_RTC, 1000);
/* Enable RTC and high resolution timer - this can be done in a single
call with Chip_RTC_EnableOptions(LPC_RTC, (RTC_CTRL_RTC1KHZ_EN | RTC_CTRL_RTC_EN)); */
Chip_RTC_Enable1KHZ(LPC_RTC);
Chip_RTC_Enable(LPC_RTC);
/* Clear latched RTC interrupt statuses */
Chip_RTC_ClearStatus(LPC_RTC, (RTC_CTRL_OFD | RTC_CTRL_ALARM1HZ | RTC_CTRL_WAKE1KHZ));
/* Enable RTC interrupt */
NVIC_EnableIRQ(RTC_IRQn);
/* Enable RTC alarm interrupt */
Chip_RTC_EnableWakeup(LPC_RTC, (RTC_CTRL_ALARMDPD_EN | RTC_CTRL_WAKEDPD_EN));
/* Sleep and do all the work in the RTC interrupt handler */
while (1) {
DEBUGOUT("Tick number: %d, 1KHZ int:%d, alarm int:%d\r\n",
stateCounter, rtcWake, rtcAlarm);
rtcWake = rtcAlarm = false;
/* 10 high resolution ticks that get slower each tick */
if (stateCounter < 10) {
/* Wakeup in 300, 400, 500, etc. milliSeconds */
Chip_RTC_SetWake(LPC_RTC, (300 + (stateCounter * 100)));
stateCounter++;
}
else {
DEBUGOUT("Setting alarm to wake up in 4s\r\n");
/* Set alarm to wakeup in 4 seconds */
Chip_RTC_SetAlarm(LPC_RTC, Chip_RTC_GetCount(LPC_RTC) + 4);
stateCounter = 0;
}
// FIXME - Use ROM API's to put chip to power down modes
/* LPC_PWRD_API->power_mode_configure(PMU_DEEP_POWERDOWN, PDRUNCFG_PD_32K_OSC, 1); */
__WFI();
}
return 0;
}
/**
* @brief Main program body
* @return int
*/
int main(void)
{
int stateCounter = 0;
uint32_t ticks = 0;
/* Setup SystemCoreClock and any needed board code */
SystemCoreClockUpdate();
Board_Init();
/* Enable the RTC oscillator, oscillator rate can be determined by
calling Chip_Clock_GetRTCOscRate() */
Chip_Clock_EnableRTCOsc();
/* Initialize RTC driver (enables RTC clocking) */
Chip_RTC_Init(LPC_RTC);
/* Enable RTC as a peripheral wakeup event */
Chip_SYSCTL_EnableERP1PeriphWakeup(SYSCTL_ERP1_WAKEUP_RTCALARMINT |
SYSCTL_ERP1_WAKEUP_RTCWAKEINT);
/* RTC reset */
Chip_RTC_Reset(LPC_RTC);
/* Start RTC at a count of 0 when RTC is disabled. If the RTC is enabled, you
need to disable it before setting the initial RTC count. */
Chip_RTC_Disable(LPC_RTC);
Chip_RTC_SetCount(LPC_RTC, 0);
/* Set a long alarm time so the interrupt won't trigger */
Chip_RTC_SetAlarm(LPC_RTC, 1000);
/* Enable RTC and high resolution timer - this can be done in a single
call with Chip_RTC_EnableOptions(LPC_RTC, (RTC_CTRL_RTC1KHZ_EN | RTC_CTRL_RTC_EN)); */
Chip_RTC_Enable1KHZ(LPC_RTC);
Chip_RTC_Enable(LPC_RTC);
/* Clear latched RTC interrupt statuses */
Chip_RTC_ClearStatus(LPC_RTC, (RTC_CTRL_OFD | RTC_CTRL_ALARM1HZ | RTC_CTRL_WAKE1KHZ));
/* Enable RTC wake and alarm interrupts */
NVIC_EnableIRQ(RTC_ALARM_IRQn);
NVIC_EnableIRQ(RTC_WAKE_IRQn);
/* Enable RTC alarm interrupt */
Chip_RTC_EnableWakeup(LPC_RTC, (RTC_CTRL_ALARMDPD_EN | RTC_CTRL_WAKEDPD_EN));
/* Sleep and do all the work in the RTC interrupt handler */
while (1) {
ticks = 0;
DEBUGOUT("Tick number: %d, 1KHZ int:%d, alarm int:%d\r\n",
stateCounter, rtcWake, rtcAlarm);
rtcWake = rtcAlarm = false;
/* 10 high resolution ticks that get slower each tick */
if (stateCounter < 10) {
/* Wakeup in 300, 400, 500, etc. milliSeconds */
Chip_RTC_SetWake(LPC_RTC, (300 + (stateCounter * 100)));
stateCounter++;
}
else {
DEBUGOUT("Setting alarm to wake up in 4s\r\n");
/* Set alarm to wakeup in 4 seconds */
Chip_RTC_SetAlarm(LPC_RTC, Chip_RTC_GetCount(LPC_RTC) + 4);
stateCounter = 0;
}
Chip_SYSCTL_SetWakeup(~(SYSCTL_SLPWAKE_IRCOUT_PD | SYSCTL_SLPWAKE_IRC_PD |
SYSCTL_SLPWAKE_FLASH_PD | SYSCTL_SLPWAKE_SYSOSC_PD | SYSCTL_SLPWAKE_SYSPLL_PD));
Chip_SYSCTL_EnableERP1PeriphWakeup(SYSCTL_ERP1_WAKEUP_RTCALARMINT | SYSCTL_ERP1_WAKEUP_RTCWAKEINT);
/* Delay to allow serial transmission to complete*/
while(ticks++ < 10000) {}
/* Enter MCU Deep Sleep mode */
Chip_PMU_DeepSleepState(LPC_PMU);
}
return 0;
}
