simplify mario songHEAD master

author: Vineet K <git@vineetk.net> 2024-04-22 13:18:20 -0400
committer: Shokara Kou <kou@13f0.net> 2024-04-22 13:43:06 -0400
commit: b33e1fe796c489065b652f887b9ffec08d3f1091 (patch)
tree: efd9b183c83ba17f0f840805f774ae3deca770bf
parent: 8cacc107c96a8816c8d15ad491af583ec75825de (diff)
1 files changed, 99 insertions, 96 deletions
diff --git a/notes.c b/notes.c
index 25122f5..4688d67 100644
--- a/notes.c
+++ b/notes.c
@@ -25,6 +25,69 @@
 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),
        FREQ(250),
@@ -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
+// 0 = normal/piano mode
-// 1 = buttons don't do anything, speaker reads note+cycles+\xff from UART
+// 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++)
-                for (unsigned short i = 0; i < _cycles; i++)
+                playtone();
-                        playtone();
-        } else {
+        _delay_ms(25);
-                // when note is 255, don't play anything for _cycles ms
-                // Prepare Timer/Counter
-                TCNT1 = 1;
-                OCR1A = 16e3 * _cycles / T1_PRESCALAR;
-                TCCR1B |= 1 << CS11;
-                // Monitor OutPut Compare Flag
-                while ((TIFR1 & (1 << OCF1A)) == 0);
-                // Toggles port For Speaker
-                PORTD ^= 1 << P_SPKR;
-                TIFR1 |= 1 << OCF1A;
-                TCCR1B &= ~(1 << CS11);
-        }
 }
 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') {
+                } else if (mode == '1') {
-                        play_note(MARIO + 0, 131 * 0.3);
+                        
-                        play_note(MARIO + 1, 262 * 0.3);
+                } else if (mode == '3') {
-                        play_note(MARIO + 2, 110 * 0.3);
+                        for (unsigned char i = 0; i < 2; i++) {
-                        play_note(MARIO + 3, 220 * 0.3);
+                                for (unsigned char j = 0; j <= 5; j++)
-                        play_note(MARIO + 4, 117 * 0.3);
+                                        play_note(MARIO + j, freqs[MARIO + j] * 0.3);
-                        play_note(MARIO + 5, 233 * 0.3);
+                                _delay_ms(1800);
-                        _delay_ms(1800);
+                        }
-                        play_note(MARIO + 0, 131 * 0.3);
-                        play_note(MARIO + 1, 262 * 0.3);
+                        for (unsigned char i = 0; i < 2; i++) {
-                        play_note(MARIO + 2, 110 * 0.3);
+                                for (unsigned char j = 6; j <= 11; j++)
-                        play_note(MARIO + 3, 220 * 0.3);
+                                        play_note(MARIO + j, freqs[MARIO + j] * 0.3);
-                        play_note(MARIO + 4, 117 * 0.3);
+                                _delay_ms(1800);
-                        play_note(MARIO + 5, 233 * 0.3);
+                        }
-                        _delay_ms(1800);
+                        for (unsigned char i = 12; i <= 14; i++)
-                        play_note(MARIO + 6, 87 * 0.3);
+                                play_note(MARIO + i, freqs[MARIO + i] * 0.3);
-                        play_note(MARIO + 7, 175 * 0.3);
+                        for (unsigned char i = 15; i <= 20; i++)
-                        play_note(MARIO + 8, 73 * 0.3);
+                                play_note(MARIO + i, freqs[MARIO + i] * 0.6);
-                        play_note(MARIO + 9, 147 * 0.3);
-                        play_note(MARIO + 10, 78 * 0.3);
+                        for (unsigned char i = 21; i <= 26; i++)
-                        play_note(MARIO + 11, 156 * 0.3);
+                                play_note(MARIO + i, freqs[MARIO + i] * 0.3);
-                        _delay_ms(1800);
+                        for (unsigned char i = 27; i <= 32; i++)
-                        play_note(MARIO + 6, 87 * 0.3);
+                                play_note(MARIO + i, freqs[MARIO + i] * 0.6);
-                        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 + 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);
-                        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);
                }
        }
 }
author	Vineet K <git@vineetk.net>	2024-04-22 13:18:20 -0400
committer	Shokara Kou <kou@13f0.net>	2024-04-22 13:43:06 -0400
commit	b33e1fe796c489065b652f887b9ffec08d3f1091 (patch)
tree	efd9b183c83ba17f0f840805f774ae3deca770bf
parent	8cacc107c96a8816c8d15ad491af583ec75825de (diff)

diff --git a/notes.c b/notes.c index 25122f5..4688d67 100644 --- a/notes.c +++ b/notes.c
@@ -25,6 +25,69 @@
25		25
26	unsigned short freqs[] = {	26	unsigned short freqs[] = {
27	// PD3-7	27	// PD3-7
		28	100,
		29	200,
		30	250,
		31	300,
		32	350,
		33	// PB0-4
		34	400,
		35	450, // middle c
		36	500,
		37	600,
		38	700,
		39	// PC0-4
		40	750,
		41	800,
		42	850,
		43	900,
		44	950,
		45
		46	// notes
		47	[MARIO] = 131, // C3
		48	262, // C4
		49	110, // A2
		50	220, // A3
		51	117, // Bb2
		52	233, // Bb3
		53
		54	87,
		55	175,
		56	73,
		57	147,
		58	78,
		59	156,
		60
		61	156,
		62	147,
		63	139,
		64	131,
		65	156,
		66	147,
		67	104,
		68	98,
		69	139,
		70
		71	156,
		72	185,
		73	175,
		74	165,
		75	233,
		76	220,
		77	208,
		78	156,
		79	123,
		80	123,
		81	110,
		82	104,
		83
		84	['"'] = 16000,
		85
		86	[255] = 0 // used as a 'silent' note
		87	};
		88
		89	unsigned short t_freqs[] = {
		90	// PD3-7
28	FREQ(100),	91	FREQ(100),
29	FREQ(200),	92	FREQ(200),
30	FREQ(250),	93	FREQ(250),
@@ -86,8 +149,9 @@ unsigned short freqs[] = {
86	[255] = 0 // used as a 'silent' note	149	[255] = 0 // used as a 'silent' note
87	};	150	};
88	unsigned char note = 0;	151	unsigned char note = 0;
89	// 0 = buttons write note+cycles+\xff to UART	152	// 0 = normal/piano mode
90	// 1 = buttons don't do anything, speaker reads note+cycles+\xff from UART	153	// 1 = recording mode
		154	// 2 = mario demo
91	unsigned char mode = '0';	155	unsigned char mode = '0';
92		156
93	ISR (PCINT0_vect)	157	ISR (PCINT0_vect)
@@ -126,9 +190,9 @@ ISR (PCINT2_vect)
126	void	190	void
127	usart_init(void)	191	usart_init(void)
128	{	192	{
129	// 115200 bps, RX/TX enabled	193	// 9600 bps, TX enabled
130	UBRR0 = 103;	194	UBRR0 = 103;
131	UCSR0B = (1 << RXEN0) \| (1 << TXEN0);	195	UCSR0B = 1 << TXEN0;
132	UCSR0C = (1 << UCSZ01) \| (1 << UCSZ00);	196	UCSR0C = (1 << UCSZ01) \| (1 << UCSZ00);
133	}	197	}
134		198
@@ -158,7 +222,7 @@ playtone(void)
158	{	222	{
159	// Prepare Timer/Counter	223	// Prepare Timer/Counter
160	TCNT1 = 1;	224	TCNT1 = 1;
161	OCR1A = freqs[note];	225	OCR1A = t_freqs[note];
162	TCCR1B \|= 1 << CS11;	226	TCCR1B \|= 1 << CS11;
163		227
164	// Monitor OutPut Compare Flag	228	// Monitor OutPut Compare Flag
@@ -177,24 +241,10 @@ play_note(unsigned char _note, unsigned short _cycles)
177		241
178	usart_send(note);	242	usart_send(note);
179		243
180	if (note != 255) {	244	for (unsigned short i = 0; i < _cycles; i++)
181	for (unsigned short i = 0; i < _cycles; i++)	245	playtone();
182	playtone();	246
183	} else {	247	_delay_ms(25);
184	// when note is 255, don't play anything for _cycles ms
185	// Prepare Timer/Counter
186	TCNT1 = 1;
187	OCR1A = 16e3 * _cycles / T1_PRESCALAR;
188	TCCR1B \|= 1 << CS11;
189
190	// Monitor OutPut Compare Flag
191	while ((TIFR1 & (1 << OCF1A)) == 0);
192
193	// Toggles port For Speaker
194	PORTD ^= 1 << P_SPKR;
195	TIFR1 \|= 1 << OCF1A;
196	TCCR1B &= ~(1 << CS11);
197	}
198	}	248	}
199		249
200	int	250	int
@@ -224,6 +274,8 @@ main(void)
224	for (unsigned char n = 0;; n = (n + 1) % 2) {	274	for (unsigned char n = 0;; n = (n + 1) % 2) {
225	if (PINC & _BV(5))	275	if (PINC & _BV(5))
226	mode = '2';	276	mode = '2';
		277	else if (PINB & _BV(5))
		278	mode = '3';
227	else	279	else
228	mode = '0';	280	mode = '0';
229		281
@@ -243,79 +295,30 @@ main(void)
243	playtone();	295	playtone();
244		296
245	cycles = (cycles + 1) % 0xffff;	297	cycles = (cycles + 1) % 0xffff;
246	} else if (mode == '2') {	298	} else if (mode == '1') {
247	play_note(MARIO + 0, 131 * 0.3);	299
248	play_note(MARIO + 1, 262 * 0.3);	300	} else if (mode == '3') {
249	play_note(MARIO + 2, 110 * 0.3);	301	for (unsigned char i = 0; i < 2; i++) {
250	play_note(MARIO + 3, 220 * 0.3);	302	for (unsigned char j = 0; j <= 5; j++)
251	play_note(MARIO + 4, 117 * 0.3);	303	play_note(MARIO + j, freqs[MARIO + j] * 0.3);
252	play_note(MARIO + 5, 233 * 0.3);	304	_delay_ms(1800);
253	_delay_ms(1800);	305	}
254	play_note(MARIO + 0, 131 * 0.3);	306
255	play_note(MARIO + 1, 262 * 0.3);	307	for (unsigned char i = 0; i < 2; i++) {
256	play_note(MARIO + 2, 110 * 0.3);	308	for (unsigned char j = 6; j <= 11; j++)
257	play_note(MARIO + 3, 220 * 0.3);	309	play_note(MARIO + j, freqs[MARIO + j] * 0.3);
258	play_note(MARIO + 4, 117 * 0.3);	310	_delay_ms(1800);
259	play_note(MARIO + 5, 233 * 0.3);	311	}
260	_delay_ms(1800);	312
261		313	for (unsigned char i = 12; i <= 14; i++)
262	play_note(MARIO + 6, 87 * 0.3);	314	play_note(MARIO + i, freqs[MARIO + i] * 0.3);
263	play_note(MARIO + 7, 175 * 0.3);	315	for (unsigned char i = 15; i <= 20; i++)
264	play_note(MARIO + 8, 73 * 0.3);	316	play_note(MARIO + i, freqs[MARIO + i] * 0.6);
265	play_note(MARIO + 9, 147 * 0.3);	317
266	play_note(MARIO + 10, 78 * 0.3);	318	for (unsigned char i = 21; i <= 26; i++)
267	play_note(MARIO + 11, 156 * 0.3);	319	play_note(MARIO + i, freqs[MARIO + i] * 0.3);
268	_delay_ms(1800);	320	for (unsigned char i = 27; i <= 32; i++)
269	play_note(MARIO + 6, 87 * 0.3);	321	play_note(MARIO + i, freqs[MARIO + i] * 0.6);
270	play_note(MARIO + 7, 175 * 0.3);
271	play_note(MARIO + 8, 73 * 0.3);
272	play_note(MARIO + 9, 147 * 0.3);
273	play_note(MARIO + 10, 78 * 0.3);
274	play_note(MARIO + 11, 156 * 0.3);
275	_delay_ms(1800);
276
277	play_note(MARIO + 12, 156 * 0.3);
278	_delay_ms(25);
279	play_note(MARIO + 13, 147 * 0.3);
280	_delay_ms(25);
281	play_note(MARIO + 14, 139 * 0.3);
282	_delay_ms(25);
283	play_note(MARIO + 15, 131 * 0.6);
284	_delay_ms(25);
285	play_note(MARIO + 16, 156 * 0.3);
286	_delay_ms(25);
287	play_note(MARIO + 17, 147 * 0.6);
288	_delay_ms(25);
289	play_note(MARIO + 18, 104 * 0.6);
290	_delay_ms(25);
291	play_note(MARIO + 19, 98 * 0.6);
292	_delay_ms(25);
293	play_note(MARIO + 20, 139 * 0.6);
294
295	play_note(MARIO + 21, 156 * 0.3);
296	_delay_ms(25);
297	play_note(MARIO + 22, 185 * 0.3);
298	_delay_ms(25);
299	play_note(MARIO + 23, 175 * 0.3);
300	_delay_ms(25);
301	play_note(MARIO + 24, 165 * 0.3);
302	_delay_ms(25);
303	play_note(MARIO + 25, 233 * 0.3);
304	_delay_ms(25);
305	play_note(MARIO + 26, 220 * 0.3);
306	_delay_ms(25);
307	play_note(MARIO + 27, 208 * 0.6);
308	_delay_ms(25);
309	play_note(MARIO + 28, 156 * 0.6);
310	_delay_ms(25);
311	play_note(MARIO + 29, 123 * 0.6);
312	_delay_ms(25);
313	play_note(MARIO + 30, 123 * 0.6);
314	_delay_ms(25);
315	play_note(MARIO + 31, 110 * 0.6);
316	_delay_ms(25);
317	play_note(MARIO + 32, 104 * 0.6);
318	_delay_ms(25);
319	}	322	}
320	}	323	}
321	}	324	}