| 1,10 → 1,10 |
|---|
| // ******************************************************** |
| // ** Spektrum DX7(se) Expander for 10 Channels at large ** |
| // ** Spektrum DX7(se) Expander for 12 Channels at large ** |
| // ******************************************************** |
| // ** Target: Atmel ATtiny2313 with delivered standard ** |
| // ** Fuses (internal RC-Oscillator @ 1 MHz) ** |
| // ******************************************************** |
| // ** It sends data from 4 additionally switches over ** |
| // ** It sends data from 6 additionally switches over ** |
| // ** the tripole "FLAP" channel which the FlightControl ** |
| // ** can decode "on the fly" :) ** |
| // ******************************************************** |
| 35,13 → 35,12 |
|---|
| int main(void) |
| { |
| char i,Parity; // Bit-Counter and Parity Bit |
| unsigned int timer=0; // Timer for Battery-Remember-Beeping |
| DDRA = 0b011; // PORT A INPUT: RESET; OUTPUT: Sync+Data |
| DDRB = 0b00000000; // PORT B INPUT: Jumper for Bypass |
| DDRD = 0b0000000; // PORT D INPUT: Switches + DX7-Sync |
| PORTA = 0b111; // Pull-Up for /RESET, High for Sync+Data |
| PORTB = 0b01000000; // Pull-Up for Jumper |
| PORTD = 0b0011111; // Pull-Up for Switches |
| PORTD = 0b1011111; // Pull-Up for Switches |
| |
| while(1) // Main-Loop (Sending data all the time) |
| { |
| 58,7 → 57,8 |
|---|
| Parity = 0; // Reset Parity Bit |
| Send(1,0); // Send SYNC Pulse |
| |
| for (i=0;i<5;i++) // Encode the first five Port Pins |
| i=0; |
| while (i<7) // Encode PD0-PD4 + PD6 |
| { |
| if (PIND & (1<<i)) // Check Pin #i |
| { |
| 65,20 → 65,22 |
|---|
| Send(0,0); // When High, Send Low (Switched to "0") |
| Parity = ~Parity; // and invert Parity Bit |
| } |
| else |
| else Send(0,1); // When Low, Send High (Switched to "1") |
| i++; |
| if (i == 5) i = 6; // Skip PD5 |
| } |
| |
| for (i=0;i<2;i++) // Encode PB0+PB1 (Hover Pitch) |
| { |
| if ((PINB & (1<<i))) // Check Pin #i |
| { |
| Send(0,1); // When Low, Send High (Switched to "1") |
| Send(0,0); // When High, Send Low (Switched to "0") |
| Parity = ~Parity; // and invert Parity Bit |
| } |
| else Send(0,1); // When Low, Send High (Switched to "1") |
| } |
| |
| Send(0,Parity); // Send Parity Bit |
| |
| timer++; // Timer increase for Battery-Remember-Beeping |
| if (timer == 6000) DDRB = 0b00000001; // 15 min 0.00 sec -> PB0 to GND |
| if (timer == 6001) DDRB = 0b00000000; // 15 min 0.15 sec -> PB0 input again |
| if (timer == 6002) DDRB = 0b00000010; // 15 min 0.30 sec -> PB1 to GND |
| if (timer == 6003) DDRB = 0b00000000; // 15 min 0.45 sec -> PB1 input again |
| if (timer == 6004) timer = 0; // 15 min 0.60 sec -> Timer reset (half delays on DX7se) |
| } |
| } |
| } |