Hello,

I'm trying to generate external interrupt for LIS2DE12 for motion detection but while OS_TASK_NOTIFY_WAIT() it's doing Starting CPU target... and i'm not able to get notified value for OS_TASK_NOTIFY_WAIT .Can you help me for it??

here is my configuration for interrupt generation..,

void wakeup_interrupt_cb(void)
{
hw_wkup_reset_interrupt();
OS_TASK_NOTIFY_FROM_ISR(acc_main_h, 0x1, OS_NOTIFY_SET_BITS);
}

static void LIS2_WakeupEventsTask( void *pvParameters )
{
int8_t wdog_id;
OS_BASE_TYPE ret;
uint32_t ulNotifiedValue;
lis2de12_int1_src_t src;

/* Accelerometer Interrupt Pins */
hw_gpio_configure_pin(HW_GPIO_PORT_0, HW_GPIO_PIN_12, HW_GPIO_MODE_INPUT_PULLUP, HW_GPIO_FUNC_GPIO, true); // ACCELEROMETER_INT1
hw_gpio_pad_latch_enable(HW_GPIO_PORT_0, HW_GPIO_PIN_12);
hw_gpio_pad_latch_disable(HW_GPIO_PORT_0,HW_GPIO_PIN_12);

hw_wkup_init(NULL);
hw_wkup_configure_pin(HW_GPIO_PORT_0,HW_GPIO_PIN_12, true, HW_WKUP_PIN_STATE_LOW);
hw_wkup_register_gpio_p0_interrupt(wakeup_interrupt_cb, 1);

/* Enable interrupts of WKUP controller */
hw_wkup_enable_irq();

/* Accelerometer-I2C Configuration */
li2de12_hdl = ad_i2c_open(LI2DE12);
sensor_init(li2de12_hdl);
enableWakeUpDetect(li2de12_hdl);

/* Register ble_multi_link task to be monitored by watchdog */
wdog_id = sys_watchdog_register(false);

for (;;) {

printf (" LIS2_WakeupEventsTask Task \r\n");

/* Notify watchdog on each loop */
sys_watchdog_notify(wdog_id);

/* Suspend watchdog while blocking on OS_TASK_NOTIFY_WAIT() */
sys_watchdog_suspend(wdog_id);

/* Wait on any of the notification bits, then clear them all */
ret = OS_TASK_NOTIFY_WAIT(0, OS_TASK_NOTIFY_ALL_BITS, &ulNotifiedValue, OS_TASK_NOTIFY_FOREVER);

/* This must block forever, until a task notification is received. So, the
return value must be OS_TASK_NOTIFY_SUCCESS */
OS_ASSERT(ret == OS_TASK_NOTIFY_SUCCESS);

/* Read INT pin 1 in polling mode
* or read src status register
*/
if(ulNotifiedValue & 0x1)
{
lis2de12_int1_gen_source_get(li2de12_hdl, &src);
if (src.xh || src.yh || src.zh)
{
hw_gpio_set_inactive(HW_GPIO_PORT_0, HW_GPIO_PIN_24);
hw_gpio_pad_latch_enable(HW_GPIO_PORT_0, HW_GPIO_PIN_24);
hw_gpio_pad_latch_disable(HW_GPIO_PORT_0,HW_GPIO_PIN_24);
enableWakeUpDetect(li2de12_hdl);
}
else
{
hw_gpio_set_active(HW_GPIO_PORT_0, HW_GPIO_PIN_24);
hw_gpio_pad_latch_enable(HW_GPIO_PORT_0, HW_GPIO_PIN_24);
hw_gpio_pad_latch_disable(HW_GPIO_PORT_0,HW_GPIO_PIN_24);
enableInactivityDetect(li2de12_hdl);

}
}
/* Main Application */
sys_watchdog_notify_and_resume(wdog_id);
}

}

Thanks & Regards,

Zinal.