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Alarms.ino
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Alarms.ino
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static uint8_t cycleDone[5] = {0, 0, 0, 0, 0},
resourceIsOn[5] = {0, 0, 0, 0, 0};
static uint32_t LastToggleTime[5] = {0, 0, 0, 0, 0};
static int16_t i2c_errors_count_old = 0;
static uint8_t SequenceActive[5] = {0, 0, 0, 0, 0};
#if defined(BUZZER)
uint8_t isBuzzerON(){
return resourceIsOn[1]; // returns true while buzzer is buzzing; returns 0 for silent periods
}
#else
uint8_t isBuzzerON()
{
return 0;
}
#endif //end of buzzer define
/********************************************************************/
/**** Alarm Handling ****/
/********************************************************************/
/*
AlarmArray
0: toggle
1: failsafe
2: noGPS
3: beeperOn
4: pMeter
5: runtime
6: vBat
7: confirmation
8: Acc
9: I2C Error
*/
/*
Resources:
0: onboard LED
1: Buzzer
2: PL GREEN
3: PL BLUE
4: PL RED
*/
void alarmHandler()
{
#if defined(RCOPTIONSBEEP)
static uint8_t i = 0, firstrun = 1, last_rcOptions[CHECKBOXITEMS];
if (last_rcOptions[i] != rcOptions[i]) alarmArray[0] = 1;
last_rcOptions[i] = rcOptions[i];
i++;
if (i >= CHECKBOXITEMS)i = 0;
if (firstrun == 1 && alarmArray[7] == 0)
{
alarmArray[0] = 0; //only enable options beep AFTER gyro init
alarmArray[3] = 0;
}
else firstrun = 0;
#endif
#if defined(FAILSAFE)
if ( failsafe.active && f.ARMED)
{
alarmArray[1] = 1; //set failsafe warning level to 1 while landing
if (failsafeCnt > 5 * (FAILSAFE_DELAY + FAILSAFE_OFF_DELAY)) alarmArray[1] = 2; //start "find me" signal after landing
}
if ( failsafe.active && !f.ARMED) alarmArray[1] = 2; // tx turned off while motors are off: start "find me" signal
if ( failsafeCnt == 0) alarmArray[1] = 0; // turn off alarm if TX is okay
#endif
#if GPS
if ((f.GPS_HOME_MODE || f.GPS_HOLD_MODE) && !f.GPS_FIX) alarmArray[2] = 2;
else if (!f.GPS_FIX)alarmArray[2] = 1;
else alarmArray[2] = 0;
#endif
#if defined(BUZZER)
if ( rcOptions[BOXBEEPERON] )alarmArray[3] = 1;
else alarmArray[3] = 0;
#endif
#if defined(POWERMETER)
if ( (pMeter[PMOTOR_SUM] < pAlarm) || (pAlarm == 0) || !f.ARMED) alarmArray[4] = 0;
else if (pMeter[PMOTOR_SUM] > pAlarm) alarmArray[4] = 1;
#endif
#if defined(ARMEDTIMEWARNING)
if (ArmedTimeWarningMicroSeconds > 0 && armedTime >= ArmedTimeWarningMicroSeconds && f.ARMED) alarmArray[5] = 1;
else alarmArray[5] = 0;
#endif
#if defined(VBAT)
if (vbatMin < conf.vbatlevel_crit) alarmArray[6] = 4;
else if ( (analog.vbat > conf.vbatlevel_warn1) || (conf.no_vbat > analog.vbat)) alarmArray[6] = 0;
else if (analog.vbat > conf.vbatlevel_warn2) alarmArray[6] = 2;
else alarmArray[6] = 4;
#endif
if (i2c_errors_count > i2c_errors_count_old + 100 || i2c_errors_count < -1) alarmArray[9] = 1;
else alarmArray[9] = 0;
alarmPatternComposer();
}
void alarmPatternComposer()
{
static char resource = 0;
// patternDecode(length1,length2,length3,beeppause,endpause,loop)
#if defined(BUZZER)
resource = 1; //buzzer selected
if (alarmArray[1] == 2) patternDecode(resource, 200, 0, 0, 50, 2000); //failsafe "find me" signal
else if (alarmArray[1] == 1 || alarmArray[8] == 1) patternDecode(resource, 50, 200, 200, 50, 50); //failsafe "panic" or Acc not calibrated
else if (alarmArray[0] == 1) patternDecode(resource, 50, 0, 0, 50, 0); //toggle 1
else if (alarmArray[0] == 2) patternDecode(resource, 50, 50, 0, 50, 0); //toggle 2
else if (alarmArray[0] > 2) patternDecode(resource, 50, 50, 50, 50, 0); //toggle else
else if (alarmArray[2] == 2) patternDecode(resource, 50, 50, 0, 50, 50); //gps installed but no fix
else if (alarmArray[3] == 1) patternDecode(resource, 50, 50, 50, 50, 50); //BeeperOn
else if (alarmArray[4] == 1) patternDecode(resource, 50, 50, 0, 50, 120); //pMeter Warning
else if (alarmArray[5] == 1) patternDecode(resource, 50, 50, 50, 50, 0); //Runtime warning
else if (alarmArray[6] == 4) patternDecode(resource, 50, 50, 200, 50, 2000); //vbat critical
else if (alarmArray[6] == 2) patternDecode(resource, 50, 200, 0, 50, 2000); //vbat warning
else if (alarmArray[6] == 1) patternDecode(resource, 200, 0, 0, 50, 2000); //vbat info
else if (alarmArray[7] == 1) patternDecode(resource, 200, 0, 0, 50, 200); //confirmation indicator 1x
else if (alarmArray[7] == 2) patternDecode(resource, 200, 200, 0, 50, 200); //confirmation indicator 2x
else if (alarmArray[7] > 2) patternDecode(resource, 200, 200, 200, 50, 200); //confirmation indicator 3x
else if (SequenceActive[(uint8_t)resource] == 1) patternDecode(resource, 0, 0, 0, 0, 0); // finish last sequence if not finished yet
else turnOff(resource); // turn off the resource
alarmArray[8] = 0; //reset acc not calibrated
#endif
#if defined(PILOTLAMP)
if (alarmArray[9] == 1) PilotLampSequence(100, B000111, 2); //I2C Error
else if (alarmArray[3] == 1) PilotLampSequence(100, B0101 << 8 | B00010001, 4); //BeeperOn
else
{
resource = 2;
if (f.ARMED && f.ANGLE_MODE) patternDecode(resource, 100, 100, 100, 100, 1000); //Green Slow Blink-->angle
else if (f.ARMED && f.HORIZON_MODE) patternDecode(resource, 200, 200, 200, 100, 1000); //Green mid Blink-->horizon
else if (f.ARMED) patternDecode(resource, 100, 100, 0, 100, 1000); //Green fast Blink-->acro
else turnOff(resource); //switch off
resource = 3;
#if GPS
if (alarmArray[2] == 1) patternDecode(resource, 100, 100, 100, 100, 100); // blue fast blink -->no gps fix
else if (f.GPS_HOME_MODE || f.GPS_HOLD_MODE) patternDecode(resource, 100, 100, 100, 100, 1000); //blue slow blink --> gps active
else setTiming(resource, 100, 1000); //blue short blink -->gps fix ok
#else
turnOff(resource);
#endif
resource = 4;
if (alarmArray[1] == 1) setTiming(resource, 100, 100); //Red fast blink--> failsafe panic
else if (alarmArray[1] == 2) patternDecode(resource, 1000, 0, 0, 0, 2000); //red slow blink--> failsafe find me
else turnOff(resource);
}
#endif
}
void patternDecode(uint8_t resource, uint16_t first, uint16_t second, uint16_t third, uint16_t cyclepause, uint16_t endpause)
{
static uint16_t pattern[5][5];
static uint8_t icnt[5] = {0, 0, 0, 0, 0};
if (SequenceActive[resource] == 0)
{
SequenceActive[resource] = 1;
pattern[resource][0] = first;
pattern[resource][1] = second;
pattern[resource][2] = third;
pattern[resource][3] = endpause;
pattern[resource][4] = cyclepause;
}
if (icnt[resource] < 3 )
{
if (pattern[resource][icnt[resource]] != 0)
{
setTiming(resource, pattern[resource][icnt[resource]], pattern[resource][4]);
}
}
else if (LastToggleTime[resource] < (millis() - pattern[resource][3])) //sequence is over: reset everything
{
icnt[resource] = 0;
SequenceActive[resource] = 0; //sequence is now done, cycleDone sequence may begin
alarmArray[0] = 0; //reset toggle bit
alarmArray[7] = 0; //reset confirmation bit
turnOff(resource);
return;
}
if (cycleDone[resource] == 1 || pattern[resource][icnt[resource]] == 0) //single on off cycle is done
{
if (icnt[resource] < 3)
{
icnt[resource]++;
}
cycleDone[resource] = 0;
turnOff(resource);
}
}
void turnOff(uint8_t resource)
{
if (resource == 1)
{
if (resourceIsOn[1])
{
BUZZERPIN_OFF;
resourceIsOn[1] = 0;
}
}
else if (resource == 0)
{
if (resourceIsOn[0])
{
resourceIsOn[0] = 0;
LEDPIN_OFF;
}
}
else if (resource == 2)
{
if (resourceIsOn[2])
{
resourceIsOn[2] = 0;
#if defined (PILOTLAMP)
PilotLamp(PL_GRN_OFF);
#endif
}
}
else if (resource == 3)
{
if (resourceIsOn[3])
{
resourceIsOn[3] = 0;
#if defined (PILOTLAMP)
PilotLamp(PL_BLU_OFF);
#endif
}
}
else if (resource == 4)
{
if (resourceIsOn[4])
{
resourceIsOn[4] = 0;
#if defined (PILOTLAMP)
PilotLamp(PL_RED_OFF);
#endif
}
}
}
#if defined (PILOTLAMP)
//original code based on mr.rc-cam and jevermeister work
//modified by doughboy to use timer interrupt
#define PL_BUF_SIZE 8
volatile uint8_t queue[PL_BUF_SIZE]; //circular queue
volatile uint8_t head = 0;
volatile uint8_t tail = 0;
/********************************************************************/
/**** Pilot Lamp Handling ****/
/********************************************************************/
//define your light pattern by bits, 0=off 1=on
//define up to 5 patterns that cycle using 15 bits, pattern starts at bit 0 in groups of 3
// 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
// R B G R B G R B G R B G R B G
//parameters speed is the ms between patterns
// pattern is the 16bit (uses only 15 bits) specifying up to 5 patterns
// num_patterns is the number of patterns defined
//example to define sequential light where G->B->R then back to G, you need 4 patterns
// B00000101<<8 | B00010001
//example: to define alternate all on and al off, you only need two patterns
// B00000111
void PilotLampSequence(uint16_t speed, uint16_t pattern, uint8_t num_patterns)
{
static uint32_t lastswitch = 0;
static uint8_t seqno = 0;
static uint16_t lastpattern = 0; //since variables are static, when switching patterns, the correct pattern will start on the second sequence
if (millis() < (lastswitch + speed))
return; //not time to change pattern yet
lastswitch = millis();
for (uint8_t i = 0; i < 3; i++)
{
uint8_t state = (pattern >> (seqno * 3 + i)) & 1; //get pattern bit
//since value is multiple of 25, we can calculate time based on pattern position
//i=0 is green, 1=blue, 2=red, green ON ticks is calculated as 50*(0+1)-1*25 = 25 ticks
uint8_t tick = 50 * (i + 1);
if (state)
tick -= 25;
PilotLamp(tick);
resourceIsOn[i + 2] = state;
}
seqno++;
seqno %= num_patterns;
}
void PilotLamp(uint8_t count)
{
if (((tail + 1) % PL_BUF_SIZE) != head)
{
queue[tail] = count;
tail++;
tail = (tail % PL_BUF_SIZE);
}
}
//ISR code sensitive to changes, test thoroughly before flying
ISR(PL_ISR) //the interrupt service routine
{
static uint8_t state = 0;
uint8_t h = head;
uint8_t t = tail;
if (state == 0)
{
if (h != t)
{
uint8_t c = queue[h];
PL_PIN_ON;
PL_CHANNEL += c;
h = ((h + 1) % PL_BUF_SIZE);
head = h;
state = 1;
}
}
else if (state == 1)
{
PL_PIN_OFF;
PL_CHANNEL += PL_IDLE;
state = 0;
}
}
#endif
/********************************************************************/
/**** LED Handling ****/
/********************************************************************/
//Beware!! Is working with delays, do not use inflight!
void blinkLED(uint8_t num, uint8_t ontime, uint8_t repeat)
{
uint8_t i, r;
for (r = 0; r < repeat; r++)
{
for (i = 0; i < num; i++)
{
#if defined(LED_FLASHER)
switch_led_flasher(1);
#endif
#if defined(LANDING_LIGHTS_DDR)
switch_landing_lights(1);
#endif
LEDPIN_TOGGLE; // switch LEDPIN state
delay(ontime);
#if defined(LED_FLASHER)
switch_led_flasher(0);
#endif
#if defined(LANDING_LIGHTS_DDR)
switch_landing_lights(0);
#endif
}
delay(60); //wait 60 ms
}
}
/********************************************************************/
/**** Global Resource Handling ****/
/********************************************************************/
void setTiming(uint8_t resource, uint16_t pulse, uint16_t pause)
{
if (!resourceIsOn[resource] && (millis() >= (LastToggleTime[resource] + pause)) && pulse != 0)
{
resourceIsOn[resource] = 1;
toggleResource(resource, 1);
LastToggleTime[resource] = millis();
}
else if ( (resourceIsOn[resource] && (millis() >= LastToggleTime[resource] + pulse) ) || (pulse == 0 && resourceIsOn[resource]) )
{
resourceIsOn[resource] = 0;
toggleResource(resource, 0);
LastToggleTime[resource] = millis();
cycleDone[resource] = 1;
}
}
void toggleResource(uint8_t resource, uint8_t activate)
{
switch (resource)
{
#if defined (BUZZER)
case 1:
if (activate == 1)
{
BUZZERPIN_ON;
}
else BUZZERPIN_OFF;
break;
#endif
#if defined (PILOTLAMP)
case 2:
if (activate == 1) PilotLamp(PL_GRN_ON);
else PilotLamp(PL_GRN_OFF);
break;
case 3:
if (activate == 1) PilotLamp(PL_BLU_ON);
else PilotLamp(PL_BLU_OFF);
break;
case 4:
if (activate == 1) PilotLamp(PL_RED_ON);
else PilotLamp(PL_RED_OFF);
break;
#endif
case 0:
default:
if (activate == 1)
{
LEDPIN_ON;
}
else LEDPIN_OFF;
break;
}
return;
}
/********************************************************************/
/**** LED Ring Handling ****/
/********************************************************************/
#if defined(LED_RING)
#define LED_RING_ADDRESS 0xDA //7 bits
void i2CLedRingState()
{
uint8_t b[10];
b[0] = 'M'; // MultiwII mode
if (f.ARMED) // Motors running = flying
{
if (!(f.ANGLE_MODE || f.HORIZON_MODE)) //ACRO
{
b[0] = 'x';
}
else if (f.GPS_HOME_MODE) //RTH
{
b[0] = 'w';
}
else if (f.GPS_HOLD_MODE) //Position Hold
{
b[0] = 'v';
}
else if (f.HORIZON_MODE) //HORIZON mode
{
b[0] = 'y';
}
else
{
b[0] = 'u'; // ANGLE mode
}
i2c_rep_start(LED_RING_ADDRESS);
i2c_write(b[0]);
i2c_stop();
}
else if (!f.ACC_CALIBRATED) // Multiwii not stable or uncalibrated
{
b[0] = 't';
i2c_rep_start(LED_RING_ADDRESS);
i2c_write(b[0]);
i2c_stop();
}
else // Motors not running = on the ground
{
b[0] = 's';
if (f.ANGLE_MODE) b[1] = 1;
else if (f.HORIZON_MODE) b[1] = 2;
else b[1] = 0;
if (f.BARO_MODE) b[2] = 1;
else b[2] = 0;
if (f.MAG_MODE) b[3] = 1;
else b[3] = 0;
#if GPS
if (rcOptions[BOXGPSHOME]) b[4] = 2;
else if (rcOptions[BOXGPSHOLD]) b[4] = 1;
else b[4] = 0;
#else
b[4] = 0;
#endif
b[5] = (180 - att.heading) / 2; // 1 unit = 2 degrees;
b[6] = GPS_numSat;
i2c_rep_start(LED_RING_ADDRESS);
for (uint8_t i = 0; i < 7; i++)
{
i2c_write(b[i]);
}
i2c_stop();
}
#if defined (VBAT)
if (analog.vbat < conf.vbatlevel_warn1) // Uh oh - battery low
{
i2c_rep_start(LED_RING_ADDRESS);
i2c_write('r');
i2c_stop();
}
# endif
}
void blinkLedRing()
{
uint8_t b[3];
b[0] = 'g';
b[1] = 10;
b[2] = 10;
i2c_rep_start(LED_RING_ADDRESS << 1);
for (uint8_t i = 0; i < 3; i++)
i2c_write(b[i]);
i2c_stop();
}
#endif
/********************************************************************/
/**** LED flasher Handling ****/
/********************************************************************/
#if defined(LED_FLASHER)
static uint8_t led_flasher_sequence = 0;
/* if we load a specific sequence and do not want it change, set this flag */
static enum
{
LED_FLASHER_AUTO,
LED_FLASHER_CUSTOM
} led_flasher_control = LED_FLASHER_AUTO;
void init_led_flasher()
{
#if defined(LED_FLASHER_DDR)
LED_FLASHER_DDR |= (1 << LED_FLASHER_BIT);
switch_led_flasher(0);
#endif
}
void led_flasher_set_sequence(uint8_t s)
{
led_flasher_sequence = s;
}
void inline switch_led_flasher(uint8_t on)
{
#if defined(LED_FLASHER_DDR)
#ifndef LED_FLASHER_INVERT
if (on)
{
#else
if (!on)
{
#endif
LED_FLASHER_PORT |= (1 << LED_FLASHER_BIT);
}
else
{
LED_FLASHER_PORT &= ~(1 << LED_FLASHER_BIT);
}
#endif
}
static uint8_t inline led_flasher_on()
{
uint8_t seg = (currentTime / 1000 / 125) % 8;
return (led_flasher_sequence & 1 << seg);
}
void auto_switch_led_flasher()
{
if (led_flasher_on())
{
switch_led_flasher(1);
}
else
{
switch_led_flasher(0);
}
}
/* auto-select a fitting sequence according to the
* copter situation
*/
void led_flasher_autoselect_sequence()
{
if (led_flasher_control != LED_FLASHER_AUTO) return;
#if defined(LED_FLASHER_SEQUENCE_FAILSAFE) && defined(FAILSAFE)//NHADRIAN - failsafe LED sequence
if (failsafe.active)
{
led_flasher_set_sequence(LED_FLASHER_SEQUENCE_FAILSAFE);
return;
}
#endif
#if defined(LED_FLASHER_SEQUENCE_VBAT_WARN2) && defined(VBATLEVEL_WARN2) && defined(VBAT) //NHADRIAN - VBAT2 alarm LED sequence
if (analog.vbat < conf.vbatlevel_warn2)
{
led_flasher_set_sequence(LED_FLASHER_SEQUENCE_VBAT_WARN2);
return;
}
#endif
#if defined(LED_FLASHER_SEQUENCE_VBAT_WARN1) && defined(VBATLEVEL_WARN1) && defined(VBAT) //NHADRIAN - VBAT1 alarm LED sequence
if (analog.vbat < conf.vbatlevel_warn1)
{
led_flasher_set_sequence(LED_FLASHER_SEQUENCE_VBAT_WARN1);
return;
}
#endif
#if defined(LED_FLASHER_SEQUENCE_MAX)
/* do we want the complete illumination no questions asked? */
if (rcOptions[BOXLEDMAX])
{
led_flasher_set_sequence(LED_FLASHER_SEQUENCE_MAX);
return;
}
#endif
#if defined(LED_FLASHER_SEQUENCE_LOW)
if (rcOptions[BOXLEDLOW])
{
led_flasher_set_sequence(LED_FLASHER_SEQUENCE_LOW);
return;
}
#endif
#if defined(LED_FLASHER_SEQUENCE_ARMED)
/* do we have a special sequence for armed copters? */
if (f.ARMED)
{
led_flasher_set_sequence(LED_FLASHER_SEQUENCE_ARMED);
return;
}
#endif
/* Let's load the plain old boring sequence as a last resort */
led_flasher_set_sequence(LED_FLASHER_SEQUENCE);
}
#endif
#if defined(LANDING_LIGHTS_DDR)
void init_landing_lights(void)
{
LANDING_LIGHTS_DDR |= 1 << LANDING_LIGHTS_BIT;
switch_landing_lights(0);
}
void inline switch_landing_lights(uint8_t on)
{
#ifndef LANDING_LIGHTS_INVERT
if (on)
{
#else
if (!on)
{
#endif
LANDING_LIGHTS_PORT |= 1 << LANDING_LIGHTS_BIT;
}
else
{
LANDING_LIGHTS_PORT &= ~(1 << LANDING_LIGHTS_BIT);
}
}
void auto_switch_landing_lights(void)
{
if (rcOptions[BOXLLIGHTS]
#if defined(LANDING_LIGHTS_AUTO_ALTITUDE) & SONAR
|| (sonarAlt >= 0 && sonarAlt <= LANDING_LIGHTS_AUTO_ALTITUDE && f.ARMED)
#endif
#if defined(LED_FLASHER_DDR) & defined(LANDING_LIGHTS_ADOPT_LED_FLASHER_PATTERN)
|| (led_flasher_on())
#endif
)
{
switch_landing_lights(1);
}
else
{
switch_landing_lights(0);
}
}
#endif
/********************************************************************/
/**** Variometer signaling ****/
/********************************************************************/
#ifdef VARIOMETER
#define TRESHOLD_UP 50 // (m1) treshhold for up velocity
#define TRESHOLD_DOWN 40 // (m1) treshhold for up velocity
#define TRESHOLD_UP_MINUS_DOWN 10 // (m1) you compute: TRESHOLD_UP - TRESHOLD_DOWN
#define ALTITUDE_INTERVAL 400 // (m2) in calls; interval to perodically observe altitude change
#define DELTA_ALT_TRESHOLD 200 // (m2) in cm; treshold for delta altitude after ALTITUDE_INTERVAL
#define DELTA_T 5 // (m2) divisor for delta_alt to compute vel
#define SIGNAL_SCALE 4 // you compute: (50ms per beep / 5*3ms cycle time)
#define SILENCE_M 200 // max duration of silence in calls
#define SILENCE_SCALE 33 // vario scale: larger -> slower decay of silence
#define SILENCE_A 6600 // you compute: SILENCE_M * SILENCE_SCALE
#define DURATION_SUP 5 // sup duration of signal
#define DURATION_SCALE 100 // vario scale: larger -> slower rise of length
/* vario_signaling() gets called every 5th cycle (~2ms - 5ms) -> (~10ms - 25ms)
* modulates silence duration between tones and tone duration
* higher abs(vario) -> shorther silence & longer signal duration.
* Utilize two methods for combined short and long term observation
*/
void vario_signaling()
{
static int16_t last_v = 0;
static uint16_t silence = 0;
static int16_t max_v = 0;
static uint8_t max_up = 0;
uint16_t s = 0;
int16_t v = 0;
/* method 1: use vario to follow short term up/down movement : */
#if (VARIOMETER == 1) || (VARIOMETER == 12)
{
uint8_t up = (alt.vario > 0 ? 1 : 0 ); //, down = (vario < 0 ? 1 : 0 );
//int16_t v = abs(vario) - up * TRESHOLD_UP - down * TRESHOLD_DOWN;
v = abs(alt.vario) - up * (TRESHOLD_UP_MINUS_DOWN) - TRESHOLD_DOWN;
if (silence > 0) silence--; else silence = 0;
if (v > 0)
{
// going up or down
if (v > last_v)
{
// current speed greater than speed for last signal,
// so shorten the remaining silence period
s = (SILENCE_A) / (SILENCE_SCALE + v);
if (silence > s) silence = s;
}
// remember interim max v
if (v > max_v)
{
max_v = v;
max_up = up;
}
} // end of (v>0)
}
#endif // end method 1
/* method 2: use altitude to follow long term up/down movement : */
#if (VARIOMETER == 2) || (VARIOMETER == 12)
{
static uint16_t t = 0;
if (!(t++ % ALTITUDE_INTERVAL))
{
static int32_t last_BaroAlt = 0;
int32_t delta_BaroAlt = BaroAlt - last_BaroAlt;
if (abs(delta_BaroAlt) > DELTA_ALT_TRESHOLD)
{
// inject suitable values
max_v = abs(delta_BaroAlt / DELTA_T);
max_up = (delta_BaroAlt > 0 ? 1 : 0);
silence = 0;
}
last_BaroAlt = BaroAlt;
}
}
#endif // end method 2
/* something to signal now? */
if ( (silence == 0) && (max_v > 0) )
{
// create new signal
uint16_t d = (DURATION_SUP * max_v) / (DURATION_SCALE + max_v);
s = (SILENCE_A) / (SILENCE_SCALE + max_v);
s += d * SIGNAL_SCALE;
vario_output(d, max_up);
last_v = v;
max_v = 0;
max_up = 0;
silence = s;
}
} // end of vario_signaling()
void vario_output(uint16_t d, uint8_t up)
{
if (d == 0) return;
#if defined(SUPPRESS_VARIOMETER_UP)
if (up) return;
#elif defined(SUPPRESS_VARIOMETER_DOWN)
if (!up) return;
#endif
#ifdef VARIOMETER_SINGLE_TONE
uint8_t s1 = 0x07;
uint8_t d1 = d;
#else
uint8_t s1 = (up ? 0x05 : 0x07);
uint8_t d1 = d / 2;
#endif
if (d1 < 1) d1 = 1;
for (uint8_t i = 0; i < d1; i++) LCDprint(s1);
#ifndef VARIOMETER_SINGLE_TONE
uint8_t s2 = (up ? 0x07 : 0x05);
uint8_t d2 = d - d1;
if (d2 < 1) d2 = 1;
for (uint8_t i = 0; i < d2; i++) LCDprint(s2);
#endif
}
#endif