//turn backlight on/off (1/0)
void lcd_backlight(char state)
{
if (state == 0)
ioPins_setValue(LCD_BACKLIGHT_PIN, 0); // lcd backlight low
else
ioPins_setValue(LCD_BACKLIGHT_PIN, 1); // lcd backlight high
}
static void alarmCallback()
{
static struct RTC_time t_now;
static struct unicast_message *tmp, sMsg;
static struct sensor_data sens_data;
static uint16_t samplingDelay = 280;
static uint16_t delay = 40; // ADC requires minimum 20 us of sampling time.
static uint16_t sleepDelay = 9680;
static uint16_t avg;
static uint8_t count = 0;
if(count==0)
RTC_getTime(&t_now);
int len;
uint8_t i, numSampl = 20;
static uint16_t v = 0, v1;
ioPins_configurePin(8, USEGPIO, OUTPUT, NOPULLUP, HYSTERESIS_OFF);
ioPins_configurePin(7, USEGPIO, OUTPUT, NOPULLUP, HYSTERESIS_OFF);
ioPins_setValue(8, 1);
ioPins_setValue(7, 1);
avg = 0;
for(i=0;i<numSampl;i++)
{
ioPins_setValue(8, 0);
clock_delay_usec(samplingDelay);
v = ioPins_getValue(16);
avg+=v;
clock_delay_usec(delay);
ioPins_setValue(8, 1);
clock_delay_usec(sleepDelay);
}
sens_data.lraw[count] = avg&0xFF;
sens_data.hraw[count] = (avg&0xFF00)>>8;
if(count==59)
{
sMsg.id = id;
sMsg.type = DATA_REQ;
sMsg.time = t_now;
strcpy(sMsg.name, "Dust sensor\0");
sMsg.data = sens_data;
sMsg.numSampl = numSampl;
packetbuf_copyfrom(&sMsg, sizeof(struct unicast_message));
unicast_send(&unicast, &nmaddr);
count = 0;
}
else
{
count++;
}
}
void ble_reset()
{
ioPins_setValue(BLE_RST_PIN, 0); // ble reset low
clock_delay_msec(10);
ioPins_setValue(BLE_RST_PIN, 1); // ble reset high
}
