/*---------------------------------------------------------------------------------------------------------*/
int main(void)
{
/* Unlock protected registers */
SYS_UnlockReg();
/* Init System, peripheral clock and multi-function I/O */
SYS_Init();
/* Init UART0 for printf */
UART0_Init();
printf("\n\nCPU @ %d Hz\n", SystemCoreClock);
printf("+-------------------------------------------------------+\n");
printf("| GPIO Power-Down and Wake-up by PB.3 Sample Code |\n");
printf("+-------------------------------------------------------+\n\n");
/* Configure PB.3 as Input mode and enable interrupt by rising edge trigger */
GPIO_SetMode(PB, BIT3, GPIO_PMD_INPUT);
GPIO_EnableInt(PB, 3, GPIO_INT_RISING);
NVIC_EnableIRQ(GPAB_IRQn);
/* Waiting for PB.3 rising-edge interrupt event */
while(1) {
printf("Enter to Power-Down ......\n");
PowerDownFunction();
UART_WAIT_TX_EMPTY(UART0);
printf("System waken-up done.\n\n");
}
}
/*---------------------------------------------------------------------------------------------------------*/
int main(void)
{
/* Unlock protected registers */
SYS_UnlockReg();
/* Init System, peripheral clock and multi-function I/O */
SYS_Init();
/* Lock protected registers */
SYS_LockReg();
/* Init UART0 for printf */
UART0_Init();
printf("\n\nCPU @ %d Hz\n", SystemCoreClock);
printf("+-------------------------------------------------------+\n");
printf("| GPIO Power-Down and Wake-up by PB.3 Sample Code |\n");
printf("+-------------------------------------------------------+\n\n");
/* Configure PB.3 as Input mode and enable interrupt by rising edge trigger */
PB->MODE = (PB->MODE & (~GPIO_MODE_MODE3_Msk)) | (GPIO_MODE_INPUT << GPIO_MODE_MODE3_Pos);
PB->INTTYPE |= (GPIO_INTTYPE_EDGE << GPIO_INTTYPE_TYPE3_Pos);
PB->INTEN |= GPIO_INTEN_RHIEN3_Msk;
NVIC_EnableIRQ(GPB_IRQn);
/* Enable interrupt de-bounce function and select de-bounce sampling cycle time is 1024 clocks of LIRC clock */
GPIO->DBCTL = (GPIO_DBCTL_ICLK_ON | GPIO_DBCTL_DBCLKSRC_LIRC | GPIO_DBCTL_DBCLKSEL_1024);
PB->DBEN |= BIT3;
/* Unlock protected registers before entering Power-down mode */
SYS_UnlockReg();
/* Waiting for PB.3 rising-edge interrupt event */
while(1)
{
printf("Enter to Power-Down ......\n");
/* Enter to Power-down mode */
PowerDownFunction();
printf("System waken-up done.\n\n");
}
}
/*---------------------------------------------------------------------------------------------------------*/
int main(void)
{
/* Unlock protected registers */
SYS_UnlockReg();
/* Init System, peripheral clock and multi-function I/O */
SYS_Init();
/* Lock protected registers */
SYS_LockReg();
/* Init UART0 for printf */
UART0_Init();
printf("\n\nCPU @ %d Hz\n", SystemCoreClock);
printf("+-------------------------------------------------------+\n");
printf("| GPIO Power-Down and Wake-up by PB.3 Sample Code |\n");
printf("+-------------------------------------------------------+\n\n");
/* Configure PB.3 as Input mode and enable interrupt by rising edge trigger */
GPIO_SetMode(PB, BIT3, GPIO_MODE_INPUT);
GPIO_EnableInt(PB, 3, GPIO_INT_RISING);
NVIC_EnableIRQ(GPB_IRQn);
/* Enable interrupt de-bounce function and select de-bounce sampling cycle time is 1024 clocks of LIRC clock */
GPIO_SET_DEBOUNCE_TIME(GPIO_DBCTL_DBCLKSRC_LIRC, GPIO_DBCTL_DBCLKSEL_1024);
GPIO_ENABLE_DEBOUNCE(PB, BIT3);
/* Unlock protected registers before entering Power-down mode */
SYS_UnlockReg();
/* Waiting for PB.3 rising-edge interrupt event */
while(1)
{
printf("Enter to Power-Down ......\n");
/* Enter to Power-down mode */
PowerDownFunction();
printf("System waken-up done.\n\n");
}
}
/*---------------------------------------------------------------------------------------------------------*/
int32_t main (void)
{
/* Init System, peripheral clock and multi-function I/O */
SYS_Init();
/* Init UART for printf */
UART_Init();
printf("\n\nCPU @ %dHz\n", SystemCoreClock);
printf("+----------------------------------------+\n");
printf("| Mini58 System Driver Sample Code |\n");
printf("+----------------------------------------+\n");
/* Unlock protected registers before setting Brown-out detector function and Power-down mode */
SYS_UnlockReg();
/* Output selected clock to CKO, CKO Clock = HCLK / 2^(1 + 1) */
CLK_EnableCKO(CLK_CLKSEL2_CLKOSEL_HCLK, 1, 0);
/* Enable Brown-out detector function */
SYS_ENABLE_BOD();
/* Set Brown-out detector voltage level as 2.7V */
SYS_SET_BOD_LEVEL(SYS_BODCTL_BODVL_2_7V);
/* Enable Brown-out detector interrupt function */
SYS_DISABLE_BOD_RST();
/* Enable Brown-out detector and Power-down wake-up interrupt */
NVIC_EnableIRQ(BOD_IRQn);
NVIC_EnableIRQ(PDWU_IRQn);
printf("System enter to Power-down mode.\n");
printf("System wake-up if VDD voltage is lower than 2.7V.\n\n");
/* Enter to Power-down mode */
PowerDownFunction();
/* Wait for Power-down mode wake-up interrupt happen */
while(1);
}
/*---------------------------------------------------------------------------------------------------------*/
void RTC_AlarmAndWakeupTest(void)
{
printf("# Set RTC Current Date/Time is: 2012/07/10 13:10:55. \n");
printf("# Set RTC Alarm Date/Time is: 2012/07/10 13:11:07. \n");
printf("# System enter to Power Down on RTC Date/Time 2012/07/10 13:10:55; \n");
printf(" and waken-up on RTC Date/Time 2012/07/10 13:11:07. \n");
printf("Press any key to start test ... \n\n");
getchar();
/* Wait RTC Register Access Enable */
RTC_WaitAccessEnable();
/* Set RTC Current Date/Time */
RTC_SetCurrentCalendar(12, 7, 10);
RTC_SetCurrentTime(13, 10, 55);
_RTC_SET_DWR(RTC_DWR_TUESDAY);
/* Set RTC Alarm Date/Time */
RTC_SetAlarmCalendar(12, 7, 10);
RTC_SetAlarmTime(13, 11, 7);
/* Wait RTC Register Access Enable */
RTC_WaitAccessEnable();
/* Check if RTC Current Date/Time are ok except [SEC] data */
if ((_RTC_GET_YEAR() != 12) || (_RTC_GET_MON() != 7) || (_RTC_GET_DAY() != 10) ||
(_RTC_GET_HOUR() != 13) || (_RTC_GET_MIN() != 10))
{
printf("Set RTC Current Date/Time fail. \n\n");
return ;
}
/* Check if RTC current Date/Time are ok */
if ((_RTC_GET_ALARM_YEAR() != 12) || (_RTC_GET_ALARM_MON() != 7) || (_RTC_GET_ALARM_DAY() != 10) ||
(_RTC_GET_ALARM_HOUR() != 13) || (_RTC_GET_ALARM_MIN() != 11) || (_RTC_GET_ALARM_SEC() != 7))
{
printf("Set RTC Alarm Date/Time fail. \n\n");
return ;
}
/* Enable RTC NVIC */
NVIC_EnableIRQ(RTC_IRQn);
/* Enable RTC Alarm Interrupt */
_RTC_ALARM_INT_ENABLE();
printf("Cunnret Date/Time is 2012/07/10 13:10:55 and system enter to Power Down. \n");
g_u8IsRTCAlarmINT = 0;
/* System enter to Power Down */
PowerDownFunction();
while (g_u8IsRTCAlarmINT == 0);
printf("System waken-up and current Date/Time is %d/%02d/%02d %02d:%02d:%02d. \n",
(2000+_RTC_GET_YEAR()), _RTC_GET_MON(), _RTC_GET_DAY(), _RTC_GET_HOUR(), _RTC_GET_MIN(), _RTC_GET_SEC());
/* Disable RTC NVIC */
NVIC_DisableIRQ(RTC_IRQn);
/* Disable RTC Alarm Interrupt */
_RTC_ALARM_INT_DISABLE();
printf("\n");
}
/*---------------------------------------------------------------------------------------------------------*/
int main(void)
{
volatile uint32_t u32InitCount;
/* Unlock protected registers */
SYS_UnlockReg();
/* Init System, peripheral clock and multi-function I/O */
SYS_Init();
/* Lock protected registers */
SYS_LockReg();
/* Init UART0 for printf */
UART0_Init();
printf("\n\nCPU @ %d Hz\n", SystemCoreClock);
printf("+-------------------------------------------------+\n");
printf("| Timer0 Power-down and Wake-up Sample Code |\n");
printf("+-------------------------------------------------+\n\n");
printf("# Timer Settings:\n");
printf(" Timer0: Clock source is LIRC(10 kHz); Toggle-output mode and frequency is 1 Hz; Enable interrupt and wake-up.\n");
printf("# System will enter to Power-down mode while Timer0 interrupt count is reaching 3;\n");
printf(" And be waken-up while Timer0 interrupt count is reaching 4.\n\n");
/* To program PWRCON register, it needs to disable register protection first. */
SYS_UnlockReg();
/* Open Timer0 frequency to 1 Hz in toggle-output mode */
TIMER_Open(TIMER0, TIMER_TOGGLE_MODE, 1);
/* Enable Timer0 interrupt and wake-up function */
TIMER_EnableInt(TIMER0);
TIMER_EnableWakeup(TIMER0);
/* Enable Timer0 NVIC */
NVIC_EnableIRQ(TMR0_IRQn);
/* Start Timer0 counting */
TIMER_Start(TIMER0);
u32InitCount = g_u8IsTMR0WakeupFlag = g_au32TMRINTCount[0] = 0;
while(g_au32TMRINTCount[0] < 10) {
if(g_au32TMRINTCount[0] != u32InitCount) {
printf("Timer0 interrupt count - %d\n", g_au32TMRINTCount[0]);
if(g_au32TMRINTCount[0] == 3) {
PowerDownFunction();
/* Check if Timer0 time-out interrupt and wake-up flag occurred */
while(1) {
if(((CLK->PWRCON & CLK_PWRCON_PD_WU_STS_Msk) == CLK_PWRCON_PD_WU_STS_Msk) && (g_u8IsTMR0WakeupFlag == 1))
break;
}
printf("System has been waken-up done. (Timer0 interrupt count is %d)\n\n", g_au32TMRINTCount[0]);
}
u32InitCount = g_au32TMRINTCount[0];
}
}
/* Stop Timer0 counting */
TIMER_Stop(TIMER0);
printf("*** PASS ***\n");
while(1);
}
