diff --git a/slave-old/main.c b/slave-old/main.c deleted file mode 100644 --- a/slave-old/main.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * Slave Firmware - * - * Wireless Observational Modular Aerial Network - * - * Ethan Zonca - * Matthew Kanning - * Kyle Ripperger - * Matthew Kroening - * - */ - -#include -#include -#include -#include -#include - - -PROGMEM extern const prog_uchar afsk_sine_table[512] = { - 127, 129, 130, 132, 133, 135, 136, 138, 139, 141, 143, 144, 146, 147, 149, 150, 152, 153, 155, 156, 158, - 159, 161, 163, 164, 166, 167, 168, 170, 171, 173, 174, 176, 177, 179, 180, 182, 183, 184, 186, 187, 188, - 190, 191, 193, 194, 195, 197, 198, 199, 200, 202, 203, 204, 205, 207, 208, 209, 210, 211, 213, 214, 215, - 216, 217, 218, 219, 220, 221, 223, 224, 225, 226, 227, 228, 228, 229, 230, 231, 232, 233, 234, 235, 236, - 236, 237, 238, 239, 239, 240, 241, 242, 242, 243, 244, 244, 245, 245, 246, 247, 247, 248, 248, 249, 249, - 249, 250, 250, 251, 251, 251, 252, 252, 252, 253, 253, 253, 253, 254, 254, 254, 254, 254, 254, 254, 254, - 254, 254, 255, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 253, 253, 253, 253, 252, 252, 252, 251, - 251, 251, 250, 250, 249, 249, 249, 248, 248, 247, 247, 246, 245, 245, 244, 244, 243, 242, 242, 241, 240, - 239, 239, 238, 237, 236, 236, 235, 234, 233, 232, 231, 230, 229, 228, 228, 227, 226, 225, 224, 223, 221, - 220, 219, 218, 217, 216, 215, 214, 213, 211, 210, 209, 208, 207, 205, 204, 203, 202, 200, 199, 198, 197, - 195, 194, 193, 191, 190, 188, 187, 186, 184, 183, 182, 180, 179, 177, 176, 174, 173, 171, 170, 168, 167, - 166, 164, 163, 161, 159, 158, 156, 155, 153, 152, 150, 149, 147, 146, 144, 143, 141, 139, 138, 136, 135, - 133, 132, 130, 129, 127, 125, 124, 122, 121, 119, 118, 116, 115, 113, 111, 110, 108, 107, 105, 104, 102, - 101, 99, 98, 96, 95, 93, 91, 90, 88, 87, 86, 84, 83, 81, 80, 78, 77, 75, 74, 72, 71, - 70, 68, 67, 66, 64, 63, 61, 60, 59, 57, 56, 55, 54, 52, 51, 50, 49, 47, 46, 45, 44, - 43, 41, 40, 39, 38, 37, 36, 35, 34, 33, 31, 30, 29, 28, 27, 26, 26, 25, 24, 23, 22, - 21, 20, 19, 18, 18, 17, 16, 15, 15, 14, 13, 12, 12, 11, 10, 10, 9, 9, 8, 7, 7, - 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, - 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 9, 9, 10, 10, 11, - 12, 12, 13, 14, 15, 15, 16, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25, 26, 26, 27, 28, - 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 49, 50, 51, 52, - 54, 55, 56, 57, 59, 60, 61, 63, 64, 66, 67, 68, 70, 71, 72, 74, 75, 77, 78, 80, 81, - 83, 84, 86, 87, 88, 90, 91, 93, 95, 96, 98, 99, 101, 102, 104, 105, 107, 108, 110, 111, 113, - 115, 116, 118, 119, 121, 122, 124, 125 -}; - -inline uint8_t afsk_read_sample(int phase) -{ - return pgm_read_byte_near(afsk_sine_table + phase); -} - -volatile uint16_t state = 0; -volatile uint8_t up = 1; - -int main(void) -{ - - // Source timer2 from clkIO (datasheet p.164) - ASSR &= ~(_BV(EXCLK) | _BV(AS2)); - - // Set fast PWM mode with TOP = 0xff: WGM22:0 = 3 (p.150) - TCCR2A |= _BV(WGM21) | _BV(WGM20); - TCCR2B &= ~_BV(WGM22); - - // Do non-inverting PWM on pin OC2B (arduino pin 3) (p.159). - // OC2A (arduino pin 11) stays in normal port operation: - // COM2B1=1, COM2B0=0, COM2A1=0, COM2A0=0 - TCCR2A = (TCCR2A | _BV(COM2B1)) & ~(_BV(COM2B0) | _BV(COM2A1) | _BV(COM2A0)); - - // No prescaler (p.162) - //TCCR2B = (TCCR2B & ~(_BV(CS22) | _BV(CS21))) | _BV(CS20); - TCCR2B = CS22 | CS21 | CS20; - - // Enable interrupt when TCNT2 reaches TOP (0xFF) (p.151, 163) - //TIMSK2 |= _BV(TOIE2); - TIMSK2 |= 0b00000111; - - - - - - // Initialize PORTA - DDRA = 0xff; - PORTA = 0x00; - - DDRD = 0xff; - PORTD = 0xff; - - sei(); - - - while(1) { - //PORTA ++; - /* - if(state < 512) { - OCR2B = afsk_sine_table[state]; - } - else { - state = 0; - OCR2B = afsk_sine_table[state]; - } - */ - /* - OCR2B = afsk_sine_table[state]; - - - if(up==1) - state++; - else - state--; - - if(state <= 0) - up = 1; - else if(state >= 254) - up = 0; - */ - _delay_us(10); - } -} - - -volatile uint8_t meh = 1; - -void frick() { - meh = meh + 5; - //OCR2B = 0x09; - OCR2B += meh;// = meh;// = afsk_read_sample(meh); -} - -ISR(TIMER2_OVF_vect) { -/* - PORTA = 0xff; - _delay_ms(500); - PORTA = 0x00; - _delay_ms(500); */ - frick(); - //meh++; - //OCR2B = 0x90; - /* - // [...] load the next sample - if(state < 512) { - OCR2B = afsk_sine_table[state]; - } - else { - state = 0; - }*/ - - - - return; -}