| 85,13 → 85,16 |
|---|
| FFFF 1F23F000A30426 |
| */ |
| |
| |
| #include <stdlib.h> |
| #include "dsl.h" |
| #include "rc.h" |
| #include "uart0.h" |
| |
| uint8_t dsl_RSSI = 0; |
| uint8_t dsl_Battery = 0; |
| uint8_t dsl_Allocation = 0; |
| uint8_t PacketBuffer[6]; |
| uint8_t Jitter = 0; // same measurement as RC_Quality in rc.c |
| |
| typedef union |
| { |
| 110,17 → 113,25 |
|---|
| int16_t tmp; |
| uint8_t index = channel + 1; // mk channels start with 1 |
| |
| RC_Quality = (212 * (uint16_t)dsl_RSSI) / 128; // have to be scaled approx. by a factor of 1.66 to get 200 at full level |
| if(RC_Quality > 255) RC_Quality = 255; |
| |
| // signal from DSL-receiver is between 7373 (1ms) und 14745 (2ms). |
| signal-= 11059; // shift to neutral |
| signal/= 24; // scale to mk rc resolution |
| |
| if(abs(signal-PPM_in[index]) < 6) |
| { |
| if(Jitter < 200) Jitter +=10; |
| else Jitter = 200; |
| } |
| |
| // calculate exponential history for signal |
| tmp = (3 * (PPM_in[index]) + signal) / 4; |
| if(tmp > signal+1) tmp--; else |
| if(tmp < signal-1) tmp++; |
| // calculate signal difference on good signal level |
| if(RC_Quality >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; // cut off lower 3 bit for noise reduction |
| if(Jitter >= 195) PPM_diff[index] = ((tmp - PPM_in[index]) / 3) * 3; // cut off lower 3 bit for noise reduction |
| else PPM_diff[index] = 0; |
| PPM_in[index] = tmp; // update channel value |
| |
| 127,7 → 138,6 |
|---|
| if(index == 4) |
| { |
| NewPpmData = 0; |
| NewRCFrames++; |
| } |
| } |
| |
| 145,8 → 155,6 |
|---|
| dsl_Allocation = PacketBuffer[1]; // Get frequency allocation |
| // ?? = PacketBuffer[2]; |
| dsl_RSSI = PacketBuffer[3]; // Get signal quality |
| RC_Quality = (212 * (uint16_t)dsl_RSSI) / 128; // have to be scaled approx. by a factor of 1.66 to get 200 at full level |
| if(RC_Quality > 255) RC_Quality = 255; |
| dsl_Battery = PacketBuffer[4]; // Get voltage of battery supply |
| // ?? = PacketBuffer[5]; |
| if(dsl_RSSI == 0) |