// *************************************************************************************************
// @fn stop_altitude_measurement
// @brief Stop altitude measurement
// @param none
// @return none
// *************************************************************************************************
void stop_altitude_measurement(void)
{
// Return if pressure sensor was not initialised properly
if (!ps_ok) return;
// Not on?
if (!sAlt.on) return;
// Logging data?
if (is_datalog()) return;
// Stop pressure sensor
ps_stop();
// Clear on flag
sAlt.on = 0;
// Disable DRDY IRQ
PS_INT_IE &= ~PS_INT_PIN;
PS_INT_IFG &= ~PS_INT_PIN;
}
__interrupt void TIMER0_A0_ISR(void)
{
static u8 button_lock_counter = 0;
// Disable IE
TA0CCTL0 &= ~CCIE;
// Reset IRQ flag
TA0CCTL0 &= ~CCIFG;
// Add 1 sec to TACCR0 register (IRQ will be asserted at 0x7FFF and 0xFFFF = 1 sec intervals)
TA0CCR0 += 32768;
// Enable IE
TA0CCTL0 |= CCIE;
// Add 1 second to global time
clock_tick();
// Set clock update flag
display.flag.update_time = 1;
// While BlueRobin searches freeze system state
if (is_bluerobin_searching())
{
// Exit from LPM3 on RETI
_BIC_SR_IRQ(LPM3_bits);
return;
}
if ((is_rf()) && (sRFsmpl.mode == SIMPLICITI_SYNC))
{
if (sRFsmpl.display_sync_done == 0)
{
display_chars(LCD_SEG_L2_5_0, (u8 *) " SYNC", SEG_ON);
}
else
{
sRFsmpl.display_sync_done--;
}
}
// -------------------------------------------------------------------
// Service modules that require 1/min processing
if (sTime.drawFlag >= 2)
{
// Measure battery voltage
request.flag.voltage_measurement = 1;
}
// -------------------------------------------------------------------
// Service active modules that require 1/s processing
// Request data logging
if (is_datalog())
request.flag.datalog = 1;
// Request temperature and pressure measurement
if (is_altitude_measurement())
request.flag.altitude_measurement = 1;
// Get BlueRobin data from API
if (is_bluerobin())
get_bluerobin_data();
// If battery is low, count down display counter
if (sys.flag.low_battery)
{
if (sBatt.lobatt_display-- == 0)
{
message.flag.prepare = 1;
message.flag.type_lobatt = 1;
sBatt.lobatt_display = BATTERY_LOW_MESSAGE_CYCLE;
}
}
// If a message has to be displayed, set display flag
if (message.all_flags)
{
if (message.flag.prepare)
{
message.flag.prepare = 0;
message.flag.show = 1;
}
else if (message.flag.erase) // message cycle is over, so erase it
{
message.flag.erase = 0;
display.flag.full_update = 1;
}
}
// -------------------------------------------------------------------
// Check idle timeout, set timeout flag
if (sys.flag.idle_timeout_enabled)
{
if (sTime.system_time - sTime.last_activity > INACTIVITY_TIME)
sys.flag.idle_timeout = 1; //setFlag(sysFlag_g, SYS_TIMEOUT_IDLE);
}
// -------------------------------------------------------------------
// Turn the Backlight off after timeout
if (sButton.backlight_status == 1)
{
if (sButton.backlight_timeout > BACKLIGHT_TIME_ON)
{
//turn off Backlight
P2OUT &= ~BUTTON_BACKLIGHT_PIN;
P2DIR &= ~BUTTON_BACKLIGHT_PIN;
sButton.backlight_timeout = 0;
sButton.backlight_status = 0;
}
else
{
sButton.backlight_timeout++;
}
}
// -------------------------------------------------------------------
// Detect continuous button high states
// Trying to lock/unlock buttons?
if (BUTTON_NUM_IS_PRESSED && BUTTON_DOWN_IS_PRESSED)
{
if (button_lock_counter++ > LEFT_BUTTON_LONG_TIME)
{
// Toggle lock / unlock buttons flag
sys.flag.lock_buttons = ~sys.flag.lock_buttons;
// Show "buttons are locked/unlocked" message synchronously with next second tick
message.flag.prepare = 1;
if (sys.flag.lock_buttons)
message.flag.type_locked = 1;
else
message.flag.type_unlocked = 1;
// Reset button lock counter
button_lock_counter = 0;
}
}
else // Trying to create a long button press?
{
// Reset button lock counter
button_lock_counter = 0;
if (BUTTON_STAR_IS_PRESSED)
{
sButton.star_timeout++;
// Check if button was held low for some seconds
if (sButton.star_timeout > LEFT_BUTTON_LONG_TIME)
{
button.flag.star_long = 1;
button.flag.star_not_long = 0;
sButton.star_timeout = 0;
// Return interrupt edge to normal value
BUTTONS_IES &= ~BUTTON_STAR_PIN;
}
}
else // there was a button press not long enough
{
sButton.star_timeout = 0;
}
if (BUTTON_NUM_IS_PRESSED)
{
sButton.num_timeout++;
// Check if button was held low for some seconds
if (sButton.num_timeout > LEFT_BUTTON_LONG_TIME)
{
button.flag.num_long = 1;
button.flag.num_not_long = 0;
sButton.num_timeout = 0;
// Return interrupt edge to normal value
BUTTONS_IES &= ~BUTTON_NUM_PIN;
}
}
else // there was a button press not long enough
{
sButton.num_timeout = 0;
}
}
// Exit from LPM3 on RETI
_BIC_SR_IRQ(LPM3_bits);
}