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minor changes

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This commit is contained in:
Gunar Schorcht 2018-01-06 15:40:02 +01:00
parent cadc26de25
commit 676587df4b
3 changed files with 71 additions and 47 deletions
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37
examples/lis3mdl/lis3mdl_example.c
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@ -203,19 +203,15 @@ void user_init(void)
if (sensor)
{
// --- SYSTEM CONFIGURATION PART ----
#ifdef INT_USED
/** --- INTERRUPT CONFIGURATION PART ---- */
#if !defined (INT_USED)
// Interrupt configuration has to be done before the sensor is set
// into measurement mode to avoid losing interrupts
// create a user task that fetches data from sensor periodically
xTaskCreate(user_task_periodic, "user_task_periodic", TASK_STACK_DEPTH, NULL, 2, NULL);
#else // INT_USED
// create a task that is triggered only in case of interrupts to fetch the data
xTaskCreate(user_task_interrupt, "user_task_interrupt", TASK_STACK_DEPTH, NULL, 2, NULL);
// create event queue
// create an event queue to send interrupt events from interrupt
// handler to the interrupt task
gpio_evt_queue = xQueueCreate(10, sizeof(uint8_t));
// configure interupt pins for *INT* and *DRDY* signals and set the interrupt handler
@ -249,7 +245,24 @@ void user_init(void)
lis3mdl_set_scale(sensor, lis3mdl_scale_4_Gs);
lis3mdl_set_mode (sensor, lis3mdl_lpm_10);
// -- SENSOR CONFIGURATION PART ---
/** -- TASK CREATION PART --- */
// must be done last to avoid concurrency situations with the sensor
// configuration part
#ifdef INT_USED
// create a task that is triggered only in case of interrupts to fetch the data
xTaskCreate(user_task_interrupt, "user_task_interrupt", TASK_STACK_DEPTH, NULL, 2, NULL);
#else // INT_USED
// create a user task that fetches data from sensor periodically
xTaskCreate(user_task_periodic, "user_task_periodic", TASK_STACK_DEPTH, NULL, 2, NULL);
#endif
}
else
printf("Could not initialize LIS3MDL sensor\n");
}