// erase flash, make sure pointer is in the segment you wish to erase, otherwise you may erase you program or some data
void CCFlashClass::erase(unsigned char *flash)
{
disableWatchDog(); // Disable WDT
FCTL3 = FWKEY; // Clear LOCK
FCTL1 = FWKEY+ERASE; //Enable segment erase
*flash = 0; // Dummy write, erase Segment
FCTL3 = FWKEY+LOCK; // Done, set LOCK
enableWatchDog(); // Enable WDT
}
// save in to flash (at segment boundary)
void CCFlashClass::write(unsigned char *flash, unsigned char *src, int len)
{
disableWatchDog(); // Disable WDT
FCTL3 = FWKEY; // Clear LOCK
FCTL1 = FWKEY+WRT; // Enable write
while(len--) // Copy data
*(flash++) = *(src++);
FCTL1 = FWKEY; //Done. Clear WRT
FCTL3 = FWKEY+LOCK; // Set LOCK
enableWatchDog(); // Enable WDT
}
/*
* setNormalMode
*
* Revert from low power mode
*/
void CC430CORE::setNormalMode(void)
{
// Configure PMM and SCLK for RF operation
_SET_VCORE_8MHZ(1);
// Enable WDT again
enableWatchDog();
// Recover old port selections
P1SEL = portSelection[0];
P2SEL = portSelection[1];
P3SEL = portSelection[2];
}
/**
* sleepUntil
*
* Put panStamp into Power-down state until the RTC alarm is triggered
* Here the RTC module is used in calendar mode and hexadecimal format
* This function uses RTC connected to an external 32.768KHz crystal
* in order to exit (interrupt) from the power-down state
*
* @param day Day of month (1 to 31)
* @param dow Day of week (0 to 6)
* @param hour Hour (0 to 23)
* @param min Minutes day (0 to 59)
*/
void CC430RTC::sleepUntil(char day, char dow, char hour, char min)
{
if ((day < 0) && (dow < 0) && (hour < 0) && (min < 0))
return;
RTC_SET_ACLK_XT1(); // Connect ACLK to 32.768 KHz crystal
disableWatchDog(); // Stop WDT
if (day > 0)
{
RTC_SET_DAY_ALARM(day);
RTC_ENABLE_DAY_ALARM();
}
else if (dow > 0)
{
RTC_SET_DOW_ALARM(dow);
RTC_ENABLE_DOW_ALARM();
}
if (hour > 0)
{
RTC_SET_HOUR_ALARM(hour);
RTC_ENABLE_HOUR_ALARM();
}
if (min > 0)
{
RTC_SET_MIN_ALARM(min);
RTC_ENABLE_MIN_ALARM();
}
RTC_SET_CALENDAR_MODE(); // RTC set to calendar mode
RTC_ENABLE_ALARM(); // Enable RTC alarm
RTC_ISR_ENABLE(); // Enable RTC interrupt
__bis_SR_register(LPM3_bits + GIE); // Enter LPM3 with interrupts
enableWatchDog(); // Enable WDT again
}
