static void REF_MeasureRaw(SensorTimeType raw[NOF_SENSORS]) {
uint8_t cnt; /* number of sensor */
uint8_t i;
TMOUT1_CounterHandle timeout;
FRTOS1_xSemaphoreTake(mutexHandle, portMAX_DELAY);
if (ledON) {
LED_IR_On(); /* IR LED's on */
WAIT1_Waitus(200);
}
for(i=0;i<NOF_SENSORS;i++) {
SensorFctArray[i].SetOutput(); /* turn I/O line as output */
SensorFctArray[i].SetVal(); /* put high */
raw[i] = MAX_SENSOR_VALUE;
}
WAIT1_Waitus(20); /* give at least 10 us to charge the capacitor */
timeout = TMOUT1_GetCounter(20/TMOUT1_TICK_PERIOD_MS); /* set up timeout counter */
FRTOS1_vTaskSuspendAll();
(void)TU1_ResetCounter(timerHandle); /* reset timer counter */
for(i=0;i<NOF_SENSORS;i++) {
SensorFctArray[i].SetInput(); /* turn I/O line as input */
}
do {
cnt = 0;
if (TMOUT1_CounterExpired(timeout)) {
break; /* get out of wile loop */
}
for(i=0;i<NOF_SENSORS;i++) {
if (raw[i]==MAX_SENSOR_VALUE) { /* not measured yet? */
if (SensorFctArray[i].GetVal()==0) {
raw[i] = TU1_GetCounterValue(timerHandle);
}
} else { /* have value */
cnt++;
}
}
} while(cnt!=NOF_SENSORS);
TMOUT1_LeaveCounter(timeout);
FRTOS1_xTaskResumeAll();
if (ledON) {
LED_IR_Off(); /* IR LED's off */
WAIT1_Waitus(200);
}
FRTOS1_xSemaphoreGive(mutexHandle);
}
static portTASK_FUNCTION(TaskAccelOrientation, pvParameters) {
int16_t x,z;
UI1_DisplayOrientation orientation;
(void)pvParameters;
FRTOS1_vTaskSuspend(NULL);
for (;;) {
{ /* protect critical section in display */
x = ACCEL_GetX();
z = ACCEL_GetZ();
#if PL_TWR_LCD_REV_0
if (z>=VAL_1G && x>=VAL_MINUS_1G) {
orientation = UI1_ORIENTATION_LANDSCAPE180;
} else if (z<=VAL_MINUS_1G && x>=VAL_MINUS_1G) {
orientation = UI1_ORIENTATION_LANDSCAPE;
} else if (x<=VAL_MINUS_1G && z>=VAL_MINUS_1G) {
orientation = UI1_ORIENTATION_PORTRAIT;
} else {
orientation = UI1_ORIENTATION_PORTRAIT180;
}
#elif PL_TWR_LCD_REV_A
if (z>=VAL_1G && x>=VAL_MINUS_1G) {
orientation = UI1_ORIENTATION_LANDSCAPE;
} else if (z<=VAL_MINUS_1G && x>=VAL_MINUS_1G) {
orientation = UI1_ORIENTATION_LANDSCAPE180;
} else if (x<=VAL_MINUS_1G && z>=VAL_MINUS_1G) {
orientation = UI1_ORIENTATION_PORTRAIT180;
} else {
orientation = UI1_ORIENTATION_PORTRAIT;
}
#endif
if (orientation != UI1_GetDisplayOrientation()) {
/* need to do some protection, as we are changing the display.... */
GDisp1_GetDisplay();
FRTOS1_vTaskSuspendAll();
UI1_SetDisplayOrientation(orientation);
FRTOS1_xTaskResumeAll();
GDisp1_GiveDisplay();
}
}
FRTOS1_vTaskDelay(500/portTICK_RATE_MS);
} /* for */
}