| 20,7 → 20,9 |
|---|
| volatile uint8_t NewPpmData = 1; |
| volatile int16_t RC_Quality = 0; |
| |
| volatile uint8_t NewRCFrames = 0; |
| |
| |
| /***************************************************************/ |
| /* 16bit timer 1 is used to decode the PPM-Signal */ |
| /***************************************************************/ |
| 78,14 → 80,11 |
|---|
| |
| |
| // happens every 0.209712 s. |
| // check for at least one input capture event per timer overflow (timeout) |
| // check for at least one new frame per timer overflow (timeout) |
| ISR(TIMER1_OVF_vect) |
| { |
| static uint16_t lastICR1 = 0; |
| // if ICR1 has not changed |
| // then no new input capture event has occured since last timer overflow |
| if (lastICR1 == ICR1) RC_Quality /= 2; |
| lastICR1 = ICR1; // store last ICR1 |
| if (NewRCFrames == 0) RC_Quality /= 2; |
| NewRCFrames = 0; |
| } |
| |
| |
| 130,7 → 129,11 |
|---|
| { |
| // if a sync gap happens and there where at least 4 channels decoded before |
| // then the NewPpmData flag is reset indicating valid data in the PPM_in[] array. |
| if(index >= 4) NewPpmData = 0; // Null means NewData for the first 4 channels |
| if(index >= 4) |
| { |
| NewPpmData = 0; // Null means NewData for the first 4 channels |
| NewRCFrames++; |
| } |
| // synchronize channel index |
| index = 1; |
| } |