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Some refactoring

This commit is contained in:
Jonathan Chan 2018-01-30 22:40:05 -08:00
parent 76e841d280
commit d39f41ec24
2 changed files with 503 additions and 287 deletions
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746
lab3/tones.asm
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File diff suppressed because it is too large Load Diff

44
lab3/tones.c
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@ -33,7 +33,7 @@ int hbd_lengths[30] = {
3, 3, 3, 3, 3, 3,
6, 1, 1, 1, 6, 1, 1, 1,
3, 3, 3, 3, 3, 3,
3, 4, 1, 1, 1, 3, 6, 1, 1, 1,
3, 3, 3, 3, 3, 3,
6, 3 6, 3
}; };
@ -89,37 +89,39 @@ unsigned char acc(int note) {
} }
} }
void play(int note) {
if (note != 0) {
CCR0 = note;
CCR1 = 100;
} else {
CCR1 = 0;
}
}
void display(unsigned char out) {
P1OUT = out;
P1OUT |= 0x08;
}
void sing(int* song, int* song_lengths, int length) { void sing(int* song, int* song_lengths, int length) {
while (1) { while (1) {
for (int i = 0; i < length; i++) { for (int i = 0; i < length; i++) {
int note = song[i]; int note = song[i];
CCR0 = note != 0 ? note : CCR0; play(note);
CCR1 = (note != 0) * 100; display(show(note));
display(acc(note));
P1OUT = show(note);
P1OUT |= 0x08;
P1OUT = acc(note);
P1OUT |= 0x08;
for (volatile unsigned int length = song_lengths[i]; length > 0; length--) { for (volatile unsigned int length = song_lengths[i]; length > 0; length--) {
for (volatile unsigned int i = 0x4FFF; i > 0; i--); for (volatile unsigned int i = 0x3000; i > 0; i--);
} }
} }
} }
} }
void clear() { void clear() {
P1OUT = 0x00; for (unsigned char i = 0; i < 4; i++) {
P1OUT = 0x08; P1OUT = i;
P1OUT = i | 0x08;
P1OUT = 0x01; }
P1OUT = 0x09;
P1OUT = 0x02;
P1OUT = 0x0a;
P1OUT = 0x03;
P1OUT = 0x0b;
} }
void main(void) { void main(void) {