From b33e1fe796c489065b652f887b9ffec08d3f1091 Mon Sep 17 00:00:00 2001 From: Vineet K Date: Mon, 22 Apr 2024 13:18:20 -0400 Subject: [PATCH] simplify mario song --- notes.c | 187 ++++++++++++++++++++++++++++---------------------------- 1 file changed, 95 insertions(+), 92 deletions(-) diff --git a/notes.c b/notes.c index 25122f5..4688d67 100644 --- a/notes.c +++ b/notes.c @@ -24,6 +24,69 @@ #define MARIO 50 unsigned short freqs[] = { + // PD3-7 + 100, + 200, + 250, + 300, + 350, + // PB0-4 + 400, + 450, // middle c + 500, + 600, + 700, + // PC0-4 + 750, + 800, + 850, + 900, + 950, + + // notes + [MARIO] = 131, // C3 + 262, // C4 + 110, // A2 + 220, // A3 + 117, // Bb2 + 233, // Bb3 + + 87, + 175, + 73, + 147, + 78, + 156, + + 156, + 147, + 139, + 131, + 156, + 147, + 104, + 98, + 139, + + 156, + 185, + 175, + 165, + 233, + 220, + 208, + 156, + 123, + 123, + 110, + 104, + + ['"'] = 16000, + + [255] = 0 // used as a 'silent' note +}; + +unsigned short t_freqs[] = { // PD3-7 FREQ(100), FREQ(200), @@ -86,8 +149,9 @@ unsigned short freqs[] = { [255] = 0 // used as a 'silent' note }; unsigned char note = 0; -// 0 = buttons write note+cycles+\xff to UART -// 1 = buttons don't do anything, speaker reads note+cycles+\xff from UART +// 0 = normal/piano mode +// 1 = recording mode +// 2 = mario demo unsigned char mode = '0'; ISR (PCINT0_vect) @@ -126,9 +190,9 @@ ISR (PCINT2_vect) void usart_init(void) { - // 115200 bps, RX/TX enabled + // 9600 bps, TX enabled UBRR0 = 103; - UCSR0B = (1 << RXEN0) | (1 << TXEN0); + UCSR0B = 1 << TXEN0; UCSR0C = (1 << UCSZ01) | (1 << UCSZ00); } @@ -158,7 +222,7 @@ playtone(void) { // Prepare Timer/Counter TCNT1 = 1; - OCR1A = freqs[note]; + OCR1A = t_freqs[note]; TCCR1B |= 1 << CS11; // Monitor OutPut Compare Flag @@ -177,24 +241,10 @@ play_note(unsigned char _note, unsigned short _cycles) usart_send(note); - if (note != 255) { - for (unsigned short i = 0; i < _cycles; i++) - playtone(); - } else { - // when note is 255, don't play anything for _cycles ms - // Prepare Timer/Counter - TCNT1 = 1; - OCR1A = 16e3 * _cycles / T1_PRESCALAR; - TCCR1B |= 1 << CS11; + for (unsigned short i = 0; i < _cycles; i++) + playtone(); - // Monitor OutPut Compare Flag - while ((TIFR1 & (1 << OCF1A)) == 0); - - // Toggles port For Speaker - PORTD ^= 1 << P_SPKR; - TIFR1 |= 1 << OCF1A; - TCCR1B &= ~(1 << CS11); - } + _delay_ms(25); } int @@ -224,6 +274,8 @@ main(void) for (unsigned char n = 0;; n = (n + 1) % 2) { if (PINC & _BV(5)) mode = '2'; + else if (PINB & _BV(5)) + mode = '3'; else mode = '0'; @@ -243,79 +295,30 @@ main(void) playtone(); cycles = (cycles + 1) % 0xffff; - } else if (mode == '2') { - play_note(MARIO + 0, 131 * 0.3); - play_note(MARIO + 1, 262 * 0.3); - play_note(MARIO + 2, 110 * 0.3); - play_note(MARIO + 3, 220 * 0.3); - play_note(MARIO + 4, 117 * 0.3); - play_note(MARIO + 5, 233 * 0.3); - _delay_ms(1800); - play_note(MARIO + 0, 131 * 0.3); - play_note(MARIO + 1, 262 * 0.3); - play_note(MARIO + 2, 110 * 0.3); - play_note(MARIO + 3, 220 * 0.3); - play_note(MARIO + 4, 117 * 0.3); - play_note(MARIO + 5, 233 * 0.3); - _delay_ms(1800); + } else if (mode == '1') { + + } else if (mode == '3') { + for (unsigned char i = 0; i < 2; i++) { + for (unsigned char j = 0; j <= 5; j++) + play_note(MARIO + j, freqs[MARIO + j] * 0.3); + _delay_ms(1800); + } - play_note(MARIO + 6, 87 * 0.3); - play_note(MARIO + 7, 175 * 0.3); - play_note(MARIO + 8, 73 * 0.3); - play_note(MARIO + 9, 147 * 0.3); - play_note(MARIO + 10, 78 * 0.3); - play_note(MARIO + 11, 156 * 0.3); - _delay_ms(1800); - play_note(MARIO + 6, 87 * 0.3); - play_note(MARIO + 7, 175 * 0.3); - play_note(MARIO + 8, 73 * 0.3); - play_note(MARIO + 9, 147 * 0.3); - play_note(MARIO + 10, 78 * 0.3); - play_note(MARIO + 11, 156 * 0.3); - _delay_ms(1800); + for (unsigned char i = 0; i < 2; i++) { + for (unsigned char j = 6; j <= 11; j++) + play_note(MARIO + j, freqs[MARIO + j] * 0.3); + _delay_ms(1800); + } - play_note(MARIO + 12, 156 * 0.3); - _delay_ms(25); - play_note(MARIO + 13, 147 * 0.3); - _delay_ms(25); - play_note(MARIO + 14, 139 * 0.3); - _delay_ms(25); - play_note(MARIO + 15, 131 * 0.6); - _delay_ms(25); - play_note(MARIO + 16, 156 * 0.3); - _delay_ms(25); - play_note(MARIO + 17, 147 * 0.6); - _delay_ms(25); - play_note(MARIO + 18, 104 * 0.6); - _delay_ms(25); - play_note(MARIO + 19, 98 * 0.6); - _delay_ms(25); - play_note(MARIO + 20, 139 * 0.6); + for (unsigned char i = 12; i <= 14; i++) + play_note(MARIO + i, freqs[MARIO + i] * 0.3); + for (unsigned char i = 15; i <= 20; i++) + play_note(MARIO + i, freqs[MARIO + i] * 0.6); - play_note(MARIO + 21, 156 * 0.3); - _delay_ms(25); - play_note(MARIO + 22, 185 * 0.3); - _delay_ms(25); - play_note(MARIO + 23, 175 * 0.3); - _delay_ms(25); - play_note(MARIO + 24, 165 * 0.3); - _delay_ms(25); - play_note(MARIO + 25, 233 * 0.3); - _delay_ms(25); - play_note(MARIO + 26, 220 * 0.3); - _delay_ms(25); - play_note(MARIO + 27, 208 * 0.6); - _delay_ms(25); - play_note(MARIO + 28, 156 * 0.6); - _delay_ms(25); - play_note(MARIO + 29, 123 * 0.6); - _delay_ms(25); - play_note(MARIO + 30, 123 * 0.6); - _delay_ms(25); - play_note(MARIO + 31, 110 * 0.6); - _delay_ms(25); - play_note(MARIO + 32, 104 * 0.6); - _delay_ms(25); + for (unsigned char i = 21; i <= 26; i++) + play_note(MARIO + i, freqs[MARIO + i] * 0.3); + for (unsigned char i = 27; i <= 32; i++) + play_note(MARIO + i, freqs[MARIO + i] * 0.6); } } }