Arduino/DIY-Arduino-variometer
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Optimize and update beep

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This commit is contained in:
sinseman 2014-05-01 15:48:26 +02:00
parent ff477eca38
commit fd7cfa93ee
1 changed files with 24 additions and 29 deletions
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53
Variometer/Variometer.ino
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@ -109,6 +109,8 @@ uint16_t average_vcc = 0; //variable to hold the value of Vcc from b
double average_pressure;
unsigned long get_time1 = millis();
unsigned long get_time2 = millis();
unsigned long get_timeBeep = millis();
uint8_t beebLatency = 0;
uint8_t push_write_eeprom = 6;
float my_temperature;
float alt;
@ -811,6 +813,18 @@ int readVccPercent()
return percent;
}
uint8_t getBeepLatency()
{
int latency = 240 - (vario * 60);
return (latency < 130)? 130: (latency > 240)? 240: latency;
}
uint16_t getBeepFrequency()
{
int frequency = 790 + (200 * vario);
return (frequency < 100)? 100: (frequency > 1300)? 1300 :frequency;
}
void resetAltitudeSensor()
{
// get a new sensor event
@ -865,36 +879,16 @@ void loop()
// get a new sensor event
sensors_event_t event;
bmp085.getEvent(&event);
// put it in filter and take average
average_pressure = average_pressure * 0.94 + event.pressure * 0.06;
// set up my_temperature
bmp085.getTemperature(&my_temperature);
// take new altitude in meters
Altitude = bmp085.pressureToAltitude(conf.p0, average_pressure, my_temperature) + conf.currentAltitude;
float tempo = millis();
//float D2 = (tim - tempo);
//float N1 = D2 * alt;
//float N2 = D2 * (alt + Altitude);
//float D1 = D2 * D2;
/*
= (2 * N1 - N2) / D1
= 2 * (D2 * alt) - D2 * (alt + Altitude) / (tim - tempo)²
= 2 * (D2 * alt) - (D2 * alt + D2 * Altitude) / (tim - tempo)²
= (D2 * alt) + (D2 * alt) - (D2 * alt) - (D2 * Altitude) / (tim - tempo)²
= (D2 * alt) - (D2 * Altitude) / (tim - tempo)²
= D2 * (alt - Altitude) / (tim - tempo)²
= ((tim - tempo) * (alt - Altitude)) / (tim - tempo)²
= (alt - Altitude) / (tim - tempo)
*/
//vario = vario * 0.80 + (1000 * (2 * N1 - N2) / D1) * 0.2;
vario = vario * 0.80 + (1000 * 0.2 * ((alt - Altitude) / (tim - tempo)));
//vario = (1000 * ((alt - Altitude) / (tim - tempo)));
// put it in filter and take average
vario = vario * 0.8 + (1000 * 0.2 * ((alt - Altitude) / (tim - tempo)));
alt = Altitude;
tim = tempo;
@ -914,17 +908,18 @@ void loop()
}
// make some beep...
if (vario < 15 && vario > -15) {
if (millis() >= (get_timeBeep + beebLatency))
{
get_timeBeep = millis();
beebLatency = getBeepLatency();
if (vario > conf.vario_climb_rate_start && conf.vario_climb_rate_start != 0) {
//when climbing make faster and shorter beeps
//toneAC(300 + (100 * vario), conf.volume, (vario * 100) + 100, (vario < 1));
toneAC(900 + (100 * vario), conf.volume, 200 - (vario * 10));
toneAC(getBeepFrequency(), conf.volume, beebLatency, true);
} else if (vario < conf.vario_sink_rate_start && conf.vario_sink_rate_start != 0) {
//toneAC(250 + (100 * vario), conf.volume, -(vario * 100) + 100, (vario < 1));
toneAC(900 + (100 * vario), conf.volume, 200 - (vario * 10));
toneAC(getBeepFrequency(), conf.volume, beebLatency, true);
}
}