__interrupt void radio_ISR(void)
#endif
{
#ifdef CONFIG_SWAP
MRFI_RadioIsr();
#else
u8 rf1aivec = RF1AIV;
// Forward to SimpliciTI interrupt service routine
if (is_rf())
{
MRFI_RadioIsr();
}
else // BlueRobin packet end interrupt service routine
{
if (rf1aivec == RF1AIV_RFIFG9)
{
//pfs
;
#ifndef ELIMINATE_BLUEROBIN
if ((sBlueRobin.state == BLUEROBIN_SEARCHING) || (sBlueRobin.state == BLUEROBIN_CONNECTED))
{
BlueRobin_RadioISR_v();
}
#endif
}
else if (rf1aivec == RF1AIV_NONE) // RF1A interface interrupt (error etc.)
{
asm(" nop"); // break here
}
}
#endif
}
// *************************************************************************************************
// @fn sx_bluerobin
// @brief BlueRobin direct function. Button UP connects/disconnects with transmitter unit.
// @param u8 line LINE1
// @return none
// *************************************************************************************************
void sx_bluerobin(u8 line)
{
u8 stop = 0;
// Exit if battery voltage is too low for radio operation
if (sys.flag.low_battery)
return;
// Exit if SimpliciTI stack is active
if (is_rf())
return;
// UP: connect / disconnect transmitter
if (button.flag.up)
{
if (sBlueRobin.state == BLUEROBIN_OFF)
{
// If no transmitter can be found, stop BlueRobin stack
if (!start_bluerobin())
stop = 1;
}
else if (sBlueRobin.state == BLUEROBIN_CONNECTED)
{
// Shutdown connection
stop = 1;
}
}
// Shutdown connection
if (stop)
{
stop_bluerobin();
}
}
// *************************************************************************************************
// @fn sx_rfbsl
// @brief This functions starts the RFBSL
// @param line LINE1, LINE2
// @return none
// *************************************************************************************************
void sx_rfbsl(u8 line)
{
// Exit if battery voltage is too low for radio operation
if (sys.flag.low_battery)
return;
// Exit if BlueRobin stack is active
if (is_bluerobin())
return;
// Exit if SimpliciTI stack is active
if (is_rf())
return;
rfBSL_button_confirmation++;
if (rfBSL_button_confirmation == 2)
{
// Before entering RFBSL clear the LINE1 Symbols
display_symbol(LCD_SYMB_AM, SEG_OFF);
clear_line(LINE1);
// Write RAM to indicate we will be downloading the RAM Updater first
display_chars(LCD_SEG_L2_5_0, (u8 *) " RFBSL", SEG_ON);
display_chars(LCD_SEG_L1_3_0, (u8 *) " RAM", SEG_ON);
// Call RFBSL
CALL_RFSBL();
}
}
__interrupt void radio_ISR(void)
{
u8 rf1aivec = RF1AIV;
// Forward to SimpliciTI interrupt service routine
if (is_rf())
{
MRFI_RadioIsr();
}
else // BlueRobin packet end interrupt service routine
{
if (rf1aivec == RF1AIV_RFIFG9)
{
}
else if (rf1aivec == RF1AIV_NONE) // RF1A interface interrupt (error etc.)
{
asm (" nop"); // break here
}
}
}
__interrupt void radio_ISR(void)
{
u8 rf1aivec = RF1AIV;
// Forward to SimpliciTI interrupt service routine
if (is_rf())
{
MRFI_RadioIsr();
}
else // BlueRobin packet end interrupt service routine
{
if (rf1aivec == RF1AIV_RFIFG9)
{
if ((sBlueRobin.state == BLUEROBIN_SEARCHING) || (sBlueRobin.state == BLUEROBIN_CONNECTED))
{
BlueRobin_RadioISR_v();
}
}
else if (rf1aivec == RF1AIV_NONE) // RF1A interface interrupt (error etc.)
{
asm(" nop"); // break here
}
}
}
__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 SimpliciTI stack operates or BlueRobin searches, freeze system state
if (is_rf() || is_bluerobin_searching())
{
// SimpliciTI automatic timeout
if (sRFsmpl.timeout == 0)
{
simpliciti_flag |= SIMPLICITI_TRIGGER_STOP;
}
else
{
sRFsmpl.timeout--;
}
// switch message after received packet
if (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--;
}
}
// Exit from LPM3 on RETI
_BIC_SR_IRQ(LPM3_bits);
return;
}
// -------------------------------------------------------------------
// Service modules that require 1/min processing
if (sTime.drawFlag >= 2)
{
// Measure battery voltage to keep track of remaining battery life
request.flag.voltage_measurement = 1;
// Check if alarm needs to be turned on
check_alarm();
}
// -------------------------------------------------------------------
// Service active modules that require 1/s processing
// Generate alarm signal
if (sAlarm.state == ALARM_ON)
{
// Decrement alarm duration counter
if (sAlarm.duration-- > 0)
{
request.flag.buzzer = 1;
}
else
{
sAlarm.duration = ALARM_ON_DURATION;
stop_alarm();
}
}
// Do a temperature measurement each second while menu item is active
if (is_temp_measurement())
request.flag.temperature_measurement = 1;
// Do a pressure measurement each second while menu item is active
if (is_altitude_measurement())
{
// Countdown altitude measurement timeout while menu item is active
sAlt.timeout--;
// Stop measurement when timeout has elapsed
if (sAlt.timeout == 0)
{
stop_altitude_measurement();
// Show ---- m/ft
display_chars(LCD_SEG_L1_3_0, (u8 *) "----", SEG_ON);
// Clear up/down arrow
display_symbol(LCD_SYMB_ARROW_UP, SEG_OFF);
display_symbol(LCD_SYMB_ARROW_DOWN, SEG_OFF);
}
// In case we missed the IRQ due to debouncing, get data now
if ((PS_INT_IN & PS_INT_PIN) == PS_INT_PIN)
request.flag.altitude_measurement = 1;
}
// Count down timeout
if (is_acceleration_measurement())
{
// Countdown acceleration measurement timeout
sAccel.timeout--;
// Stop measurement when timeout has elapsed
if (sAccel.timeout == 0)
{
as_stop();
// Show ----
display_chars(LCD_SEG_L1_3_0, (u8 *) "----", SEG_ON);
// Clear up/down arrow
display_symbol(LCD_SYMB_ARROW_UP, SEG_OFF);
display_symbol(LCD_SYMB_ARROW_DOWN, SEG_OFF);
display_symbol(LCD_SEG_L1_DP1, SEG_OFF);
}
// If DRDY is (still) high, request data again
if ((AS_INT_IN & AS_INT_PIN) == AS_INT_PIN)
request.flag.acceleration_measurement = 1;
}
// If BlueRobin transmitter is connected, get data from API
if (is_bluerobin())
get_bluerobin_data();
// If battery is low, decrement 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);
}
// *************************************************************************************************
// @fn sx_bluerobin
// @brief BlueRobin direct function. Button UP connects/disconnects with sender unit.
// @param u8 line LINE1
// @return none
// *************************************************************************************************
void sx_bluerobin(u8 line)
{
u8 stop = 0;
// Exit if battery voltage is too low for radio operation
if (sys.flag.low_battery) return;
// Exit if SimpliciTI stack is active
if (is_rf()) return;
// UP: connect / disconnect transmitter
if(button.flag.up)
{
if (sBlueRobin.state == BLUEROBIN_OFF)
{
// Init BlueRobin timer and radio
open_radio();
// Initialize BR library
BRRX_Init_v();
// Set BR data transmission properties
BRRX_SetPowerdownDelay_v(10); // Power down channel after 10 consecutive lost data packets (~9 seconds)
BRRX_SetSearchTimeout_v(8); // Stop searching after 8 seconds
// Sensitivity in learn mode reduced --> connect only to close transmitters
// Skip this part if chest strap id was set in a previous learn mode run
#if REMEMBER_TX_ID == TRUE
if (sBlueRobin.cs_id == 0) BRRX_SetSignalLevelReduction_v(5);
#else
// Forget previously learned transmitter ID and connect to next close transmitter
sBlueRobin.cs_id = 0;
BRRX_SetSignalLevelReduction_v(5);
#endif
// Apply frequency offset compensation to radio register FSCTRL0
// If calibration memory was erased, rf_frequoffset defaults to 0x00 and has no effect
WriteSingleReg(FSCTRL0, rf_frequoffset);
// New state is SEARCH
sBlueRobin.state = BLUEROBIN_SEARCHING;
// Blink RF icon to show searching
display_symbol(LCD_ICON_BEEPER1, SEG_ON_BLINK_ON);
display_symbol(LCD_ICON_BEEPER2, SEG_ON_BLINK_ON);
display_symbol(LCD_ICON_BEEPER3, SEG_ON_BLINK_ON);
// Turn on radio and establish connection if channel not already started
if (BRRX_GetState_t(HR_CHANNEL) == TX_OFF)
{
// Start in learn mode (connect to closest heart rate transmitter)
BRRX_SetID_v(HR_CHANNEL, sBlueRobin.cs_id);
BRRX_Start_v(HR_CHANNEL);
// Wait until learning phase is over
while (BRRX_GetState_t(HR_CHANNEL)==TX_SEARCH)
{
Timer0_A4_Delay(CONV_MS_TO_TICKS(200));
}
}
// Check if connection attempt was successful
if (BRRX_GetState_t(HR_CHANNEL)==TX_ACTIVE)
{
// Successfully connected to transmitter
sBlueRobin.state = BLUEROBIN_CONNECTED;
// When in learn mode, copy chest strap ID
if (sBlueRobin.cs_id == 0)
{
sBlueRobin.cs_id = BRRX_GetID_u32(HR_CHANNEL);
}
// Show steady RF icon to indicate established connection
display_symbol(LCD_ICON_BEEPER1, SEG_ON_BLINK_OFF);
display_symbol(LCD_ICON_BEEPER2, SEG_ON_BLINK_OFF);
display_symbol(LCD_ICON_BEEPER3, SEG_ON_BLINK_OFF);
// Show blinking icon
display_symbol(LCD_ICON_HEART, SEG_ON_BLINK_ON);
}
else // Error -> Shutdown connection
{
stop = 1;
}
}
else if (sBlueRobin.state == BLUEROBIN_CONNECTED)
{
// Shutdown connection
stop = 1;
}
}
// Shutdown connection
if (stop)
{
stop_bluerobin();
}
}
__interrupt void PORT2_ISR(void)
{
// Clear flags
u8 int_flag, int_enable;
u8 buzzer = 0;
u8 simpliciti_button_event = 0;
static u8 simpliciti_button_repeat = 0;
// Remember interrupt enable bits
int_enable = BUTTONS_IE;
if ((!button.flag.star_long) && (!button.flag.num_long))
{
// Clear button flags
button.all_flags = 0;
// Store valid button interrupt flag
int_flag = BUTTONS_IFG & int_enable;
// ---------------------------------------------------
// While SimpliciTI stack is active, buttons behave differently:
// - Store button events in SimpliciTI packet data
// - Exit SimpliciTI when button DOWN was pressed
if (is_rf())
{
// Erase previous button press after a number of resends (increase number if link
// quality is low)
// This will create a series of packets containing the same button press
// Necessary because we have no acknowledge
// Filtering (edge detection) will be done by receiver software
if (simpliciti_button_repeat++ > 6)
{
simpliciti_data[0] &= ~0xF0;
simpliciti_button_repeat = 0;
}
if ((int_flag & BUTTON_STAR_PIN) == BUTTON_STAR_PIN)
{
simpliciti_data[0] |= SIMPLICITI_BUTTON_STAR;
simpliciti_button_event = 1;
}
else if ((int_flag & BUTTON_NUM_PIN) == BUTTON_NUM_PIN)
{
simpliciti_data[0] |= SIMPLICITI_BUTTON_NUM;
simpliciti_button_event = 1;
}
else if ((int_flag & BUTTON_UP_PIN) == BUTTON_UP_PIN)
{
simpliciti_data[0] |= SIMPLICITI_BUTTON_UP;
simpliciti_button_event = 1;
}
else if ((int_flag & BUTTON_DOWN_PIN) == BUTTON_DOWN_PIN)
{
simpliciti_flag |= SIMPLICITI_TRIGGER_STOP;
}
// Trigger packet sending inside SimpliciTI stack
if (simpliciti_button_event)
simpliciti_flag |= SIMPLICITI_TRIGGER_SEND_DATA;
}
else // Normal operation
{
// Debounce buttons
if ((int_flag & ALL_BUTTONS) != 0)
{
// Disable PORT2 IRQ
__disable_interrupt();
BUTTONS_IE = 0x00;
__enable_interrupt();
// Debounce delay 1
Timer0_A4_Delay(CONV_MS_TO_TICKS(BUTTONS_DEBOUNCE_TIME_IN));
// Reset inactivity detection
sTime.last_activity = sTime.system_time;
}
// ---------------------------------------------------
// STAR button IRQ
if (IRQ_TRIGGERED(int_flag, BUTTON_STAR_PIN))
{
// Filter bouncing noise
if (BUTTON_STAR_IS_PRESSED)
{
button.flag.star = 1;
button.flag.star_not_long = 0;
// Generate button click
buzzer = 1;
}
else if ((BUTTONS_IES & BUTTON_STAR_PIN) == BUTTON_STAR_PIN)
{
button.flag.star = 1;
button.flag.star_not_long = 0;
BUTTONS_IES &= ~BUTTON_STAR_PIN;
}
}
// ---------------------------------------------------
// NUM button IRQ
else if (IRQ_TRIGGERED(int_flag, BUTTON_NUM_PIN))
{
// Filter bouncing noise
if (BUTTON_NUM_IS_PRESSED)
{
button.flag.num = 1;
button.flag.num_not_long = 0;
// Generate button click
buzzer = 1;
}
else if ((BUTTONS_IES & BUTTON_NUM_PIN) == BUTTON_NUM_PIN)
{
button.flag.num = 1;
button.flag.num_not_long = 0;
BUTTONS_IES &= ~BUTTON_NUM_PIN;
}
}
// ---------------------------------------------------
// UP button IRQ
else if (IRQ_TRIGGERED(int_flag, BUTTON_UP_PIN))
{
// Filter bouncing noise
if (BUTTON_UP_IS_PRESSED)
{
button.flag.up = 1;
// Generate button click
buzzer = 1;
}
}
// ---------------------------------------------------
// DOWN button IRQ
else if (IRQ_TRIGGERED(int_flag, BUTTON_DOWN_PIN))
{
// Filter bouncing noise
if (BUTTON_DOWN_IS_PRESSED)
{
button.flag.down = 1;
// Generate button click
buzzer = 1;
// Faster reaction for stopwatch stop button press
if (is_stopwatch() && !sys.flag.lock_buttons)
{
stop_stopwatch();
button.flag.down = 0;
}
}
}
// ---------------------------------------------------
// B/L button IRQ
else if (IRQ_TRIGGERED(int_flag, BUTTON_BACKLIGHT_PIN))
{
// Filter bouncing noise
if (BUTTON_BACKLIGHT_IS_PRESSED)
{
sButton.backlight_status = 1;
sButton.backlight_timeout = 0;
P2OUT |= BUTTON_BACKLIGHT_PIN;
P2DIR |= BUTTON_BACKLIGHT_PIN;
}
}
}
// Trying to lock/unlock buttons?
if (button.flag.num && button.flag.down)
{
// No buzzer output
buzzer = 0;
button.all_flags = 0;
}
// Generate button click when button was activated
if (buzzer)
{
// Any button event stops active alarm
if (sAlarm.state == ALARM_ON)
{
stop_alarm();
button.all_flags = 0;
}
else if (!sys.flag.up_down_repeat_enabled)
{
start_buzzer(1, CONV_MS_TO_TICKS(20), CONV_MS_TO_TICKS(150));
}
// Debounce delay 2
Timer0_A4_Delay(CONV_MS_TO_TICKS(BUTTONS_DEBOUNCE_TIME_OUT));
}
// ---------------------------------------------------
// Acceleration sensor IRQ
if (IRQ_TRIGGERED(int_flag, AS_INT_PIN))
{
// Get data from sensor
request.flag.acceleration_measurement = 1;
}
// ---------------------------------------------------
// Pressure sensor IRQ
if (IRQ_TRIGGERED(int_flag, PS_INT_PIN))
{
// Get data from sensor
request.flag.altitude_measurement = 1;
}
// ---------------------------------------------------
// Safe long button event detection
if (button.flag.star || button.flag.num)
{
// Additional debounce delay to enable safe high detection - 50ms
Timer0_A4_Delay(CONV_MS_TO_TICKS(BUTTONS_DEBOUNCE_TIME_LEFT));
// Check if this button event is short enough
if (BUTTON_STAR_IS_PRESSED)
{
// Change interrupt edge to detect button release
BUTTONS_IES |= BUTTON_STAR_PIN;
button.flag.star = 0;
// This flag is used to detect if the user released the button before the
// time for a long button press (3s)
button.flag.star_not_long = 1;
}
if (BUTTON_NUM_IS_PRESSED)
{
// Change interrupt edge to detect button release
BUTTONS_IES |= BUTTON_NUM_PIN;
button.flag.num = 0;
// This flag is used to detect if the user released the button before the
// time for a long button press (3s)
button.flag.num_not_long = 1;
}
}
}
// Reenable PORT2 IRQ
__disable_interrupt();
BUTTONS_IFG = 0x00;
BUTTONS_IE = int_enable;
__enable_interrupt();
// Exit from LPM3/LPM4 on RETI
__bic_SR_register_on_exit(LPM4_bits);
}
__interrupt void RTC_A_ISR(void)
#endif
{
sTime.second++;
if (sTime.second == 60) sTime.second = 0;
static u8 button_lock_counter = 0; //gibbons TODO: need to put these just in the 1-sec interrupt section?
static u8 button_beep_counter = 0;
#ifdef CONFIG_CW
u8 CW_Message[] = "NOON\0";
#endif
switch (RTCIV) {
case RTC_RT0PSIFG: // Interval timer (16384Hz - 128Hz interrupts (binary powers) )
// gibbons TODO: put stopwatch 1/100 sec interrupt here?
break;
case RTC_RT1PSIFG: // Interval timer (64Hz - 0.5Hz interrupts (binary powers) )
break;
case RTC_RTCRDYIFG: // RTC registers ready and safe to read (Use this for 1-sec update)
// Add 1 second to stored (global) time, update sTime.drawFlag appropriately
clock_tick();
// Set clock update flag
display.flag.update_time = 1;
// While SimpliciTI stack operates or BlueRobin searches, freeze system state
//pfs
#ifdef ELIMINATE_BLUEROBIN
if (is_rf())
#else
if (is_rf() || is_bluerobin_searching())
#endif
{
// SimpliciTI automatic timeout
if (sRFsmpl.timeout == 0)
{
simpliciti_flag |= SIMPLICITI_TRIGGER_STOP;
}
else
{
sRFsmpl.timeout--;
}
// Exit from LPM3 on RETI
_BIC_SR_IRQ(LPM3_bits);
return;
}
// -------------------------------------------------------------------
// Service modules that require 1/min processing
if (sTime.drawFlag >= 2)
{
// Measure battery voltage to keep track of remaining battery life
request.flag.voltage_measurement = 1;
// Check if alarm needs to be turned on
//check_alarm(); //gibbons TODO: remove
}
// -------------------------------------------------------------------
// Service active modules that require 1/s processing
#ifdef CONFIG_EGGTIMER
if (sEggtimer.state == EGGTIMER_RUN) {
eggtimer_tick(); // Subtract 1 second from eggtimer's count
}
if (sEggtimer.state == EGGTIMER_ALARM) { // no "else if" intentional
// Decrement alarm duration counter
if (sEggtimer.duration-- > 0)
{
request.flag.eggtimer_buzzer = 1;
}
else
{
stop_eggtimer_alarm(); // Set state to Stop and reset duration
}
}
#endif
// Generate alarm signal
if (sAlarm.state == ALARM_ON)
{
// Decrement alarm duration counter
if (sAlarm.duration-- > 0)
{
request.flag.alarm_buzzer = 1;
}
else
{
stop_alarm();
}
}
#ifdef CONFIG_PROUT
if (is_prout()) prout_tick();
#endif
#ifdef CONFIG_VARIO
if(is_vario()) vario_tick();
#endif
#ifdef CONFIG_STRENGTH
// One more second gone by.
if(is_strength())
{
strength_tick();
}
#endif
// Do a temperature measurement each second while menu item is active
if (is_temp_measurement()) request.flag.temperature_measurement = 1;
// Do a pressure measurement each second while menu item is active
#ifdef CONFIG_ALTITUDE
if (is_altitude_measurement())
{
// Countdown altitude measurement timeout while menu item is active
sAlt.timeout--;
// Stop measurement when timeout has elapsed
if (sAlt.timeout == 0)
{
stop_altitude_measurement();
// Show ---- m/ft
display_chars(LCD_SEG_L1_3_0, (u8*)"----", SEG_ON);
// Clear up/down arrow
display_symbol(LCD_SYMB_ARROW_UP, SEG_OFF);
display_symbol(LCD_SYMB_ARROW_DOWN, SEG_OFF);
}
// In case we missed the IRQ due to debouncing, get data now
if ((PS_INT_IN & PS_INT_PIN) == PS_INT_PIN) request.flag.altitude_measurement = 1;
}
#endif
#ifdef FEATURE_PROVIDE_ACCEL
// Count down timeout
if (is_acceleration_measurement())
{
// Countdown acceleration measurement timeout
sAccel.timeout--;
// Stop measurement when timeout has elapsed
if (sAccel.timeout == 0) as_stop();
// If DRDY is (still) high, request data again
if ((AS_INT_IN & AS_INT_PIN) == AS_INT_PIN) request.flag.acceleration_measurement = 1;
}
#endif
//pfs
#ifndef ELIMINATE_BLUEROBIN
// If BlueRobin transmitter is connected, get data from API
if (is_bluerobin()) get_bluerobin_data();
#endif
// If battery is low, decrement 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;
message.flag.block_line1 = 0;
message.flag.block_line2 = 0;
display.flag.full_update = 1;
}
}
// -------------------------------------------------------------------
// Check idle timeout, set timeout flag
if (sys.flag.idle_timeout_enabled)
{
if (sTime.last_activity > 0) {
if (--sTime.last_activity == 0) sys.flag.idle_timeout = 1; //setFlag(sysFlag_g, SYS_TIMEOUT_IDLE);
}
}
// -------------------------------------------------------------------
// Detect continuous button high states
if (BUTTON_STAR_IS_PRESSED && BUTTON_UP_IS_PRESSED)
{
if (button_beep_counter++ > LEFT_BUTTON_LONG_TIME)
{
// Toggle no_beep buttons flag
sys.flag.no_beep = ~sys.flag.no_beep;
// Show "beep / nobeep" message synchronously with next second tick
message.flag.prepare = 1;
if (sys.flag.no_beep) message.flag.type_no_beep_on = 1;
else message.flag.type_no_beep_off = 1;
// Reset button beep counter
button_beep_counter = 0;
}
} else if (BUTTON_NUM_IS_PRESSED && BUTTON_DOWN_IS_PRESSED) // Trying to lock/unlock buttons?
{
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;
sButton.star_timeout = 0;
}
}
else
{
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;
sButton.num_timeout = 0;
}
}
else
{
sButton.num_timeout = 0;
}
}
// Exit from LPM3 on RETI
_BIC_SR_IRQ(LPM3_bits); //gibbons TODO: move this to other interrupts from the RTC?
break;
case RTC_RTCTEVIFG: // Interval alarm event (min or hour changed, or rollover to midnight or noon) (choose one)
// Minute, hour, noon, or midnight rollover beep (same beep as button press, at least for now)
#ifdef CONFIG_TIMECHIME
#ifdef CONFIG_CW
CW_Send_String(CW_Message);
#else
start_buzzer(1, CONV_MS_TO_TICKS(20), CONV_MS_TO_TICKS(150));
#endif
if (RTC_Toggle_12Hr) RTCCTL01 ^= 0x0100; // Toggle Time EVent between noon and midnight
#endif
break;
case RTC_RTCAIFG: // User-configurable alarm event
// Indicate that alarm is on
sAlarm.state = ALARM_ON;
break;
}
//gibbons: TODO: Remove this old code? (Associated with Timer0_A0 1-sec ISR)
// 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; //gibbons TODO: Should this perhaps be (32768 - 1) ?
// Enable IE
//TA0CCTL0 |= CCIE;
}
__interrupt void PORT2_ISR(void)
{
u8 int_flag, int_enable;
u8 buzzer = 0;
u8 simpliciti_button_event = 0;
static u8 simpliciti_button_repeat = 0;
// Clear button flags
button.all_flags = 0;
// Remember interrupt enable bits
int_enable = BUTTONS_IE;
// Store valid button interrupt flag
int_flag = BUTTONS_IFG & int_enable;
// ---------------------------------------------------
// While SimpliciTI stack is active, buttons behave differently:
// - Store M1/M2/S1 button events in SimpliciTI packet data
// - Exit SimpliciTI when S2 was pressed
if (is_rf())
{
// Erase previous button press after a number of resends (increase number if link quality is low)
// This will create a series of packets containing the same button press
// Necessary because we have no acknowledge
// Filtering (edge detection) will be done by receiver software
if (simpliciti_button_repeat++ > 6)
{
simpliciti_data[0] &= ~0xF0;
simpliciti_button_repeat = 0;
}
if ((int_flag & BUTTON_M1_PIN) == BUTTON_M1_PIN)
{
simpliciti_data[0] |= SIMPLICITI_BUTTON_M1;
simpliciti_button_event = 1;
}
else if ((int_flag & BUTTON_M2_PIN) == BUTTON_M2_PIN)
{
simpliciti_data[0] |= SIMPLICITI_BUTTON_M2;
simpliciti_button_event = 1;
}
else if ((int_flag & BUTTON_S1_PIN) == BUTTON_S1_PIN)
{
simpliciti_data[0] |= SIMPLICITI_BUTTON_S1;
simpliciti_button_event = 1;
}
else if ((int_flag & BUTTON_S2_PIN) == BUTTON_S2_PIN)
{
simpliciti_flag |= SIMPLICITI_TRIGGER_STOP;
}
// Trigger packet sending inside SimpliciTI stack
if (simpliciti_button_event) simpliciti_flag |= SIMPLICITI_TRIGGER_SEND_DATA;
}
else // Normal operation
{
// Debounce buttons
if ((int_flag & ALL_BUTTONS) != 0)
{
// Disable PORT2 IRQ
__disable_interrupt();
BUTTONS_IE = 0x00;
__enable_interrupt();
// Debounce delay 1
Timer0_A4_Delay(CONV_MS_TO_TICKS(BUTTONS_DEBOUNCE_TIME_IN));
// Reset inactivity detection
sTime.last_activity = sTime.system_time;
// Reset M button high detection
sTime.previous_m_button_event = sTime.system_time;
}
// ---------------------------------------------------
// M1 button IRQ
if (IRQ_TRIGGERED(int_flag, BUTTON_M1_PIN))
{
// Filter bouncing noise
if (BUTTON_M1_IS_PRESSED)
{
button.flag.m1 = 1;
sys.flag.mask_m1_button = 0;
// Generate button click
buzzer = 1;
}
}
// ---------------------------------------------------
// M2 button IRQ
else if (IRQ_TRIGGERED(int_flag, BUTTON_M2_PIN))
{
// Filter bouncing noise
if (BUTTON_M2_IS_PRESSED)
{
button.flag.m2 = 1;
sys.flag.mask_m2_button = 0;
// Generate button click
buzzer = 1;
}
}
// ---------------------------------------------------
// S1 button IRQ
else if (IRQ_TRIGGERED(int_flag, BUTTON_S1_PIN))
{
// Filter bouncing noise
if (BUTTON_S1_IS_PRESSED)
{
button.flag.s1 = 1;
// Generate button click
buzzer = 1;
}
}
// ---------------------------------------------------
// S2 button IRQ
else if (IRQ_TRIGGERED(int_flag, BUTTON_S2_PIN))
{
// Filter bouncing noise
if (BUTTON_S2_IS_PRESSED)
{
button.flag.s2 = 1;
// Generate button click
buzzer = 1;
// Faster reaction for stopwatch stop button press
if (is_stopwatch())
{
stop_stopwatch();
button.flag.s2 = 0;
}
}
}
// ---------------------------------------------------
// B/L button IRQ
else if (IRQ_TRIGGERED(int_flag, BUTTON_BL_PIN))
{
// Filter bouncing noise
if (BUTTON_BL_IS_PRESSED)
{
button.flag.bl = 1;
}
}
}
// Generate button click when button was activated
if (buzzer)
{
// Any button event stops active alarm
if (sAlarm.state == ALARM_ON)
{
stop_alarm();
button.all_flags = 0;
}
else if (!sys.flag.s_button_repeat_enabled)
{
start_buzzer(1, CONV_MS_TO_TICKS(20), CONV_MS_TO_TICKS(150));
}
// Debounce delay 2
Timer0_A4_Delay(CONV_MS_TO_TICKS(BUTTONS_DEBOUNCE_TIME_OUT));
}
// ---------------------------------------------------
// Acceleration sensor IRQ
if (IRQ_TRIGGERED(int_flag, AS_INT_PIN))
{
// Get data from sensor
request.flag.acceleration_measurement = 1;
}
// ---------------------------------------------------
// Pressure sensor IRQ
if (IRQ_TRIGGERED(int_flag, PS_INT_PIN))
{
// Get data from sensor
request.flag.altitude_measurement = 1;
}
// ---------------------------------------------------
// Enable safe long button event detection
if(button.flag.m1 || button.flag.m2)
{
// Additional debounce delay to enable safe high detection
Timer0_A4_Delay(CONV_MS_TO_TICKS(BUTTONS_DEBOUNCE_TIME_M));
// Check if this button event is short enough
if (BUTTON_M1_IS_PRESSED) button.flag.m1 = 0;
if (BUTTON_M2_IS_PRESSED) button.flag.m2 = 0;
}
// Reenable PORT2 IRQ
__disable_interrupt();
BUTTONS_IFG = 0x00;
BUTTONS_IE = int_enable;
__enable_interrupt();
// Exit from LPM3/LPM4 on RETI
__bic_SR_register_on_exit(LPM4_bits);
}
__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);
}
__interrupt void TIMER0_A0_ISR(void)
#endif
{
static u8 button_lock_counter = 0;
static u8 button_beep_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 SimpliciTI stack operates or BlueRobin searches, freeze system state
//pfs
#ifdef ELIMINATE_BLUEROBIN
if (is_rf())
#else
if (is_rf() || is_bluerobin_searching())
#endif
{
// SimpliciTI automatic timeout
if (sRFsmpl.timeout == 0)
{
simpliciti_flag |= SIMPLICITI_TRIGGER_STOP;
}
else
{
sRFsmpl.timeout--;
}
// Exit from LPM3 on RETI
_BIC_SR_IRQ(LPM3_bits);
return;
}
// -------------------------------------------------------------------
// Service modules that require 1/min processing
if (sTime.drawFlag >= 2)
{
#ifdef CONFIG_BATTERY
// Measure battery voltage to keep track of remaining battery life
request.flag.voltage_measurement = 1;
#endif
#ifdef CONFIG_ALARM
// If the chime is enabled, we beep here
if (sTime.minute == 0) {
if (sAlarm.hourly == ALARM_ENABLED) {
request.flag.alarm_buzzer = 1;
}
#if (CONFIG_DST > 0)
if ((sTime.hour == 1) &&
(dst_state == 0) &&
dst_isDateInDST(sDate.month, sDate.day))
{
// spring forward
sTime.hour++;
dst_state = 1;
}
if ((sTime.hour == 2) &&
(dst_state != 0) &&
(!dst_isDateInDST(sDate.month, sDate.day)))
{
// fall back
sTime.hour--;
dst_state = 0;
}
#endif
}
// Check if alarm needs to be turned on
check_alarm();
#endif
#ifdef CONFIG_ALTI_ACCUMULATOR
// Check if we need to do an altitude accumulation
if (alt_accum_enable)
request.flag.altitude_accumulator = 1;
#endif
}
// -------------------------------------------------------------------
// Service active modules that require 1/s processing
#ifdef CONFIG_EGGTIMER
if (sEggtimer.state == EGGTIMER_RUN) {
eggtimer_tick(); // Subtract 1 second from eggtimer's count
}
if (sEggtimer.state == EGGTIMER_ALARM) { // no "else if" intentional
// Decrement alarm duration counter
if (sEggtimer.duration-- > 0)
{
request.flag.eggtimer_buzzer = 1;
}
else
{
stop_eggtimer_alarm(); // Set state to Stop and reset duration
}
}
#endif
#ifdef CONFIG_ALARM
// Generate alarm signal
if (sAlarm.state == ALARM_ON)
{
// Decrement alarm duration counter
if (sAlarm.duration-- > 0)
{
request.flag.alarm_buzzer = 1;
}
else
{
sAlarm.duration = ALARM_ON_DURATION;
stop_alarm();
}
}
#endif
#ifdef CONFIG_PROUT
if (is_prout()) prout_tick();
#endif
#ifdef CONFIG_STRENGTH
// One more second gone by.
if(is_strength())
{
strength_tick();
}
#endif
// Do a temperature measurement each second while menu item is active
if (is_temp_measurement()) request.flag.temperature_measurement = 1;
// Do a pressure measurement each second while menu item is active
#ifdef CONFIG_ALTITUDE
if (is_altitude_measurement())
{
// Countdown altitude measurement timeout while menu item is active
sAlt.timeout--;
// Stop measurement when timeout has elapsed
if (sAlt.timeout == 0)
{
stop_altitude_measurement();
// Show ---- m/ft
display_chars(LCD_SEG_L1_3_0, (u8*)"----", SEG_ON);
// Clear up/down arrow
display_symbol(LCD_SYMB_ARROW_UP, SEG_OFF);
display_symbol(LCD_SYMB_ARROW_DOWN, SEG_OFF);
}
// In case we missed the IRQ due to debouncing, get data now
if ((PS_INT_IN & PS_INT_PIN) == PS_INT_PIN) request.flag.altitude_measurement = 1;
}
#endif
#ifdef FEATURE_PROVIDE_ACCEL
// Count down timeout
if (is_acceleration_measurement())
{
// Countdown acceleration measurement timeout
sAccel.timeout--;
// Stop measurement when timeout has elapsed
if (sAccel.timeout == 0) as_stop();
// If DRDY is (still) high, request data again
if ((AS_INT_IN & AS_INT_PIN) == AS_INT_PIN) request.flag.acceleration_measurement = 1;
}
#endif
//pfs
#ifndef ELIMINATE_BLUEROBIN
// If BlueRobin transmitter is connected, get data from API
if (is_bluerobin()) get_bluerobin_data();
#endif
#ifdef CONFIG_BATTERY
// If battery is low, decrement 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;
}
}
#endif
// 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;
message.flag.block_line1 = 0;
message.flag.block_line2 = 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
if (BUTTON_STAR_IS_PRESSED && BUTTON_UP_IS_PRESSED)
{
if (button_beep_counter++ > LEFT_BUTTON_LONG_TIME)
{
// Toggle no_beep buttons flag
sys.flag.no_beep = ~sys.flag.no_beep;
// Show "beep / nobeep" message synchronously with next second tick
message.flag.prepare = 1;
if (sys.flag.no_beep) message.flag.type_no_beep_on = 1;
else message.flag.type_no_beep_off = 1;
// Reset button beep counter
button_beep_counter = 0;
}
} else if (BUTTON_NUM_IS_PRESSED && BUTTON_DOWN_IS_PRESSED) // Trying to lock/unlock buttons?
{
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;
sButton.star_timeout = 0;
}
}
else
{
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;
sButton.num_timeout = 0;
}
}
else
{
sButton.num_timeout = 0;
}
}
// Exit from LPM3 on RETI
_BIC_SR_IRQ(LPM3_bits);
}
__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();
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Count down and up
if (sCountup.mode == COUNTUP_MODE_ON)
{
countup_tick();
if (sCountdown.mode == COUNTDOWN_MODE_ON)
{
// Countdown acceleration measurement timeout
sAccel.timeout--;
// Stop measurement when timeout has elapsed
if (sAccel.timeout == 0) as_stop();
// If DRDY is (still) high, request data again
if ((AS_INT_IN & AS_INT_PIN) == AS_INT_PIN) request.flag.acceleration_measurement = 1;
// sAccel.xyz[0] = xaxis, sAccel.xyz[0] = yaxis, sAccel.xyz[0] = zaxis
if ((sAccel.xyz[0] < sCountdown.thresholdlow[0] || sAccel.xyz[0] > sCountdown.thresholdhigh[0]) &&
(sAccel.xyz[1] < sCountdown.thresholdlow[1] || sAccel.xyz[1] > sCountdown.thresholdhigh[1]))
{
// UNDER THRESHOLD VALUES
if (sCountdown.speed == 1)
{
// Clear timer interrupt enable
TA0CCTL2 &= ~CCIE;
countdown_tick();
}
if (sCountdown.speed == 2)
{
// Recovery loop - set back to default as below threshold
if (sCountdown.exceedcount[0] != sCountdown.exceeddefault[0])
{
sCountdown.exceedcount[0] = sCountdown.exceeddefault[0];
}
// Recovery loop - reduce recovery value if under threshold
if (sCountdown.recoverycount != 0)
{
sCountdown.recoverycount--;
}
// Set speed to 1 if recovery is back to 0
else
{
sCountdown.speed = 1;
sCountdown.recoverycount = sCountdown.recoverydefault;
countdown_tick();
}
}
if (sCountdown.speed == 3)
{
// Recovery loop - set back to default as below threshold
if (sCountdown.exceedcount[1] != sCountdown.exceeddefault[1])
{
sCountdown.exceedcount[1] = sCountdown.exceeddefault[1];
}
// Recovery loop - reduce recovery value if under threshold
if (sCountdown.recoverycount != 0)
{
sCountdown.recoverycount--;
}
// Set speed to 1 if recovery is back to 0
else
{
sCountdown.speed = 1;
sCountdown.recoverycount = sCountdown.recoverydefault;
countdown_tick();
}
}
}
// OVER THRESHOLD VALUES
else
{
sCountdown.recoverycount = sCountdown.recoverydefault;
if (sCountdown.speed == 1)
{
// Increase countdown speed
sCountdown.speed = 2;
// Init CCR register with current time
TA0CCR2 = TA0R;
// Load CCR register with next capture time
TA0CCR2 += sCountdown.tickspeed[0];
// Reset IRQ flag
TA0CCTL2 &= ~CCIFG;
// Enable timer interrupt
TA0CCTL2 |= CCIE;
countdown_tick();
}
if (sCountdown.speed == 2)
{
// Counting down from exceed2 limit
if (sCountdown.exceedcount[0] != 0)
{
sCountdown.exceedcount[0]--;
}
// Speed up if equal to 0
else
{
sCountdown.exceedcount[0] = sCountdown.exceeddefault[0];
// Increase countdown speed
sCountdown.speed = 3;
}
}
if (sCountdown.speed == 3)
{
// Counting down from exceed3 limit
if (sCountdown.exceedcount[1] != 0)
{
sCountdown.exceedcount[1]--;
}
// Speed up if equal to 0
else
{
countdown_droptozero();
}
}
}
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Set clock update flag
display.flag.update_time = 1;
// While SimpliciTI stack operates or BlueRobin searches, freeze system state
if (is_rf() || is_bluerobin_searching())
{
// SimpliciTI automatic timeout
if (sRFsmpl.timeout == 0)
{
simpliciti_flag |= SIMPLICITI_TRIGGER_STOP;
}
else
{
sRFsmpl.timeout--;
}
// Exit from LPM3 on RETI
_BIC_SR_IRQ(LPM3_bits);
return;
}
// -------------------------------------------------------------------
// Service modules that require 1/min processing
if (sTime.drawFlag >= 2)
{
// Measure battery voltage to keep track of remaining battery life
request.flag.voltage_measurement = 1;
// Check if alarm needs to be turned on
check_alarm();
}
// -------------------------------------------------------------------
// Service active modules that require 1/s processing
// Generate alarm signal
if (sAlarm.state == ALARM_ON)
{
// Decrement alarm duration counter
if (sAlarm.duration-- > 0)
{
request.flag.buzzer = 1;
}
else
{
sAlarm.duration = ALARM_ON_DURATION;
stop_alarm();
}
}
// Do a temperature measurement each second while menu item is active
if (is_temp_measurement()) request.flag.temperature_measurement = 1;
// Do a pressure measurement each second while menu item is active
if (is_altitude_measurement())
{
// Countdown altitude measurement timeout while menu item is active
sAlt.timeout--;
// Stop measurement when timeout has elapsed
if (sAlt.timeout == 0)
{
stop_altitude_measurement();
// Show ---- m/ft
display_chars(LCD_SEG_L1_3_0, (u8*)"----", SEG_ON);
// Clear up/down arrow
display_symbol(LCD_SYMB_ARROW_UP, SEG_OFF);
display_symbol(LCD_SYMB_ARROW_DOWN, SEG_OFF);
}
// In case we missed the IRQ due to debouncing, get data now
if ((PS_INT_IN & PS_INT_PIN) == PS_INT_PIN) request.flag.altitude_measurement = 1;
}
// Count down timeout
if (is_acceleration_measurement())
{
// Countdown acceleration measurement timeout
sAccel.timeout--;
// Stop measurement when timeout has elapsed
if (sAccel.timeout == 0) as_stop();
// If DRDY is (still) high, request data again
if ((AS_INT_IN & AS_INT_PIN) == AS_INT_PIN) request.flag.acceleration_measurement = 1;
}
// If BlueRobin transmitter is connected, get data from API
if (is_bluerobin()) get_bluerobin_data();
// If battery is low, decrement 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);
}
// -------------------------------------------------------------------
// 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_UP_IS_PRESSED)
{
sButton.up_timeout++;
// Check if button was held low for some seconds
if (sButton.up_timeout > LEFT_BUTTON_LONG_TIME)
{
button.flag.up_long = 1;
sButton.up_timeout = 0;
}
}
else
{
sButton.up_timeout = 0;
}
if (BUTTON_DOWN_IS_PRESSED)
{
sButton.down_timeout++;
// Check if button was held low for some seconds
if (sButton.down_timeout > LEFT_BUTTON_LONG_TIME)
{
button.flag.down_long = 1;
sButton.down_timeout = 0;
}
}
else
{
sButton.down_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;
sButton.num_timeout = 0;
}
}
else
{
sButton.num_timeout = 0;
}
}
// Exit from LPM3 on RETI
_BIC_SR_IRQ(LPM3_bits);
}