int main (void)
{
SystemInit();
/* Initialize GPIO (sets up clock) */
gpio_init(NULL);
/* Set all pin to output */
gpio_set_direction_field(LED_PINS, (uint32_t)GPIO_OUTPUT);
gpio_write_pin_field(LED_PINS, (uint32_t)GPIO_HIGH);
#if TIMER_INTERRUPT_EXAMPLE
timer_init(QN_TIMER0, led0_link);
timer_config(QN_TIMER0, TIMER_PSCAL_DIV, TIMER_COUNT_US(1000, TIMER_PSCAL_DIV));
timer_enable(QN_TIMER0, MASK_ENABLE);
timer_init(QN_TIMER1, led1_link);
timer_config(QN_TIMER1, TIMER_PSCAL_DIV, TIMER_COUNT_US(2000, TIMER_PSCAL_DIV));
timer_enable(QN_TIMER1, MASK_ENABLE);
timer_init(QN_TIMER2, led2_link);
timer_config(QN_TIMER2, 10, TIMER_COUNT_MS(3, 10));
timer_enable(QN_TIMER2, MASK_ENABLE);
timer_init(QN_TIMER3, led3_link);
timer_config(QN_TIMER3, 10, TIMER_COUNT_MS(4, 10));
timer_enable(QN_TIMER3, MASK_ENABLE);
#endif
#if TIMER_PWM_EXAMPLE
//P3.5 will output pwm wave with period for 1000us and pulse for 500us
timer_init(QN_TIMER0, NULL);
timer_pwm_config(QN_TIMER0, TIMER_PSCAL_DIV, TIMER_COUNT_US(1000, TIMER_PSCAL_DIV), TIMER_COUNT_US(500, TIMER_PSCAL_DIV));
timer_enable(QN_TIMER0, MASK_ENABLE);
//P1.1 will output pwm wave with period for 2000us and pulse for 1000us
timer_init(QN_TIMER1, NULL);
timer_pwm_config(QN_TIMER1, TIMER_PSCAL_DIV, TIMER_COUNT_US(2000, TIMER_PSCAL_DIV), TIMER_COUNT_US(1000, TIMER_PSCAL_DIV));
timer_enable(QN_TIMER1, MASK_ENABLE);
//P2.6 will output pwm wave with period for 4ms and pulse for 2ms
timer_init(QN_TIMER2, NULL);
timer_pwm_config(QN_TIMER2, 10, TIMER_COUNT_MS(4, 10), TIMER_COUNT_MS(2, 10));
timer_enable(QN_TIMER2, MASK_ENABLE);
//P2.3 will output pwm wave with period for 6ms and pulse for 3ms
timer_init(QN_TIMER3, NULL);
timer_pwm_config(QN_TIMER3, 10, TIMER_COUNT_MS(6, 10), TIMER_COUNT_MS(3, 10));
timer_enable(QN_TIMER3, MASK_ENABLE);
#endif
#if TIMER_CAPTURE_TIMER_MOD_EXAMPLE
/*
* Capture timer mode is to capture trigger event, and record the time-stamp.
*
* Make sure the macro TIMER0_CAP_MODE is INCAP_TIMER_MOD.
*
* Timer0 will capture the P3.5 rising edge, and each rising edge will trigger
* the callback function, as the same time the counter value will transmit to
* timer0_env.count.
*
* Other timers are similar to this.
*/
timer_init(QN_TIMER0, timer0_callback);
timer_capture_config(QN_TIMER0, INCAP_TIMER_MOD, 0, 0, 0);
timer_enable(QN_TIMER0, MASK_ENABLE);
#endif
#if TIMER_CAPTURE_COUNTER_MOD_EXAMPLE
/*
* Capture event mode is to calculate the time of happened specified event with
* specified numbers.
*
* Make sure the macro TIMER0_CAP_MODE is INCAP_COUNTER_MOD.
*
* Timer0 will count the time during 5 times rising edge of P3.5. After that, the
* callback function will be called, as the same time the time value will transmit to
* timer0_env.count.
*
* Other timers are similar to this.
*/
timer_init(QN_TIMER0, timer0_callback);
timer_capture_config(QN_TIMER0, INCAP_COUNTER_MOD, 100, 0, 5);
timer_enable(QN_TIMER0, MASK_ENABLE);
#endif
#if TIMER_CAPTURE_EVENT_MOD_EXAMPLE
/*
* Capture conter mode is used to count the numbers of a special event during a specified period.
*
* Make sure the macro TIMER0_CAP_MODE is INCAP_EVENT_MOD.
*
* Timer0 will count the numbers of rising edge during 1000ms with P3.5, and each rising
* edge will trigger the callback function, as the same time the counter value will transmit
* to timer0_env.count.
*
* Other timers are similar to this.
*/
timer_init(QN_TIMER0, timer0_callback);
timer_capture_config(QN_TIMER0, INCAP_EVENT_MOD, 100, TIMER_COUNT_MS(1000, 100), 0);
timer_enable(QN_TIMER0, MASK_ENABLE);
#endif
while (1) /* Loop forever */
{
}
}
int main (void)
{
SystemInit();
#if 0
if (0x00000004 & inp32(0x40000038)) {
outp32(0x40000038, 0x80000000);
}
else {
Led_flash();
while(1);
}
#endif
/* Initialize GPIO */
gpio_init(cb_gpio);
#if TEST_SLEEP_NORMAL == TRUE
// --------------------------------------------
// sleep wakeup
// --------------------------------------------
//set all pin to gpio
syscon_SetPMCR0(QN_SYSCON, 0x00000000);
syscon_SetPMCR1(QN_SYSCON, 0x00000000);
//set all gpio input
gpio_set_direction_field(GPIO_PIN_ALL, GPIO_INPUT);
gpio_write_pin_field(GPIO_PIN_ALL, (uint32_t)GPIO_HIGH);
// pin pull ( 00 : High-Z, 01 : Pull-down, 10 : Pull-up, 11 : Reserved )
syscon_SetPPCR0(QN_SYSCON, 0xAAAA5AAA); // SWD pull-down save 20uA
syscon_SetPPCR1(QN_SYSCON, 0x2AAAAAAA);
// power down BUCK needed
syscon_SetIvrefX32WithMask(QN_SYSCON, SYSCON_MASK_BUCK_BYPASS|SYSCON_MASK_BUCK_DPD, MASK_ENABLE);
// power down Flash
syscon_SetPGCR2WithMask(QN_SYSCON, SYSCON_MASK_FLASH_VCC_EN, MASK_DISABLE);
// enable dbg power down
syscon_SetPGCR2WithMask(QN_SYSCON, SYSCON_MASK_DBGPMUENABLE, MASK_ENABLE);
// dis sar adc buffer
syscon_SetPGCR1WithMask(QN_SYSCON, SYSCON_MASK_DIS_SAR_BUF, MASK_ENABLE);
Led_flash();
do {
delay(10);
} while (gpio_read_pin(GPIO_P14) == GPIO_HIGH);
sleep_init();
wakeup_by_sleep_timer(__32K_TYPE);
wakeup_by_gpio(GPIO_P15, GPIO_WKUP_BY_LOW);
do {
gpio_set_direction(GPIO_P01, GPIO_INPUT);
//enter_sleep(SLEEP_NORMAL, WAKEUP_BY_GPIO, Led_flash);
if (wakeup_from_sleeptimer) {
sleep_timer_set(32000);
wakeup_from_sleeptimer = 0;
#if QN_32K_RCO == TRUE
clock_32k_correction_enable(clock_32k_correction_cb);
#endif
}
#if QN_32K_RCO == TRUE
if (gpio_sleep_allowed() && !dev_get_bf())
#else
if (gpio_sleep_allowed())
#endif
enter_sleep(SLEEP_NORMAL, WAKEUP_BY_OSC_EN|WAKEUP_BY_GPIO, Led_flash);
} while(1);
#endif
#if TEST_SLEEP_DEEP == TRUE
// --------------------------------------------
// deep sleep wakeup
// --------------------------------------------
//set all pin to gpio
syscon_SetPMCR0(QN_SYSCON, 0x00000000);
syscon_SetPMCR1(QN_SYSCON, 0x00000000);
//set all gpio input
gpio_set_direction_field(GPIO_PIN_ALL, (uint32_t)GPIO_INPUT);
gpio_write_pin_field(GPIO_PIN_ALL, (uint32_t)GPIO_HIGH);
// pin pull ( 00 : High-Z, 01 : Pull-down, 10 : Pull-up, 11 : Reserved )
syscon_SetPPCR0(QN_SYSCON, 0xAAAA5AAA); // SWD pull-down save 20uA
syscon_SetPPCR1(QN_SYSCON, 0x2AAAAAAA);
// power down BUCK needed
syscon_SetIvrefX32WithMask(QN_SYSCON, SYSCON_MASK_BUCK_BYPASS|SYSCON_MASK_BUCK_DPD, MASK_ENABLE);
// power down Flash
syscon_SetPGCR2WithMask(QN_SYSCON, SYSCON_MASK_FLASH_VCC_EN, MASK_DISABLE);
// enable dbg power down
syscon_SetPGCR2WithMask(QN_SYSCON, SYSCON_MASK_DBGPMUENABLE, MASK_ENABLE);
// dis sar adc buffer
syscon_SetPGCR1WithMask(QN_SYSCON, SYSCON_MASK_DIS_SAR_BUF, MASK_ENABLE);
Led_flash();
do {
delay(10);
} while (gpio_read_pin(GPIO_P14) == GPIO_HIGH);
sleep_init();
do {
gpio_set_direction(GPIO_P01, GPIO_INPUT);
wakeup_by_gpio(GPIO_P15, GPIO_WKUP_BY_CHANGE);
enter_sleep(SLEEP_DEEP, WAKEUP_BY_GPIO, Led_flash);
} while(1);
#endif
#if TEST_SLEEP_CPU_CLK_OFF == TRUE
// --------------------------------------------
// clock gating
// --------------------------------------------
// Set timer 0 wakeup
timer_init(QN_TIMER0, NULL);
timer_config(QN_TIMER0, TIMER_PSCAL_DIV, TIMER_COUNT_MS(1000, TIMER_PSCAL_DIV));
timer_enable(QN_TIMER0, MASK_ENABLE);
sleep_init();
do {
enter_sleep(SLEEP_CPU_CLK_OFF, WAKEUP_BY_TIMER0, NULL);
Led_flash();
}
while(1);
#endif
}
