supleed2/EIE4-FYP
1
0
Fork 0
mirror of https://github.com/supleed2/EIE4-FYP.git synced 2024-12-22 22:25:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add waveform selection to demo software

Browse source 
Available waveforms: Sawtooth, Square, Triangle, Sine (To be completed)
This commit is contained in:
Aadi Desai 2023-05-18 12:52:17 +01:00
parent 6381cb53a8
commit 79ab8cd538
No known key found for this signature in database
3 changed files with 45 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
demo/main.cpp
View file

@ -91,7 +91,10 @@ static void help(void) {
puts("leds - Led set demo");
#endif
#ifdef CSR_AUDIO_BASE
puts("saw - Sawtooth Audio demo");
puts("saw - Sawtooth Wave demo");
puts("square - Square Wave demo");
puts("triangle - Triangle Wave demo");
puts("sine - Sine Wave demo");
puts("imperial - Imperial March demo");
puts("roll - Music demo");
#endif
@ -123,7 +126,29 @@ static void leds_cmd(char **val) {
#ifdef CSR_AUDIO_BASE
static void saw_cmd(char **val) {
int value = (int)strtol(get_token(val), NULL, 0);
printf("Setting Sawtooth to %dHz\n", value);
printf("Setting Oscillator 0 to Sawtooth: %dHz\n", value);
wave(WAVE_SAW);
audio_targ0_write(value);
}
static void square_cmd(char **val) {
int value = (int)strtol(get_token(val), NULL, 0);
printf("Setting Oscillator 0 to Square: %dHz\n", value);
wave(WAVE_SQUARE);
audio_targ0_write(value);
}
static void triangle_cmd(char **val) {
int value = (int)strtol(get_token(val), NULL, 0);
printf("Setting Oscillator 0 to Triangle: %dHz\n", value);
wave(WAVE_TRIANGLE);
audio_targ0_write(value);
}
static void sine_cmd(char **val) {
int value = (int)strtol(get_token(val), NULL, 0);
printf("Setting Oscillator 0 to Sine: %dHz\n", value);
wave(WAVE_SINE);
audio_targ0_write(value);
}
@ -223,6 +248,12 @@ static void console_service(void) {
#ifdef CSR_AUDIO_BASE
else if (strcmp(token, "saw") == 0)
saw_cmd(&str);
else if (strcmp(token, "square") == 0)
square_cmd(&str);
else if (strcmp(token, "triangle") == 0)
triangle_cmd(&str);
else if (strcmp(token, "sine") == 0)
sine_cmd(&str);
else if (strcmp(token, "imperial") == 0)
imperial_cmd();
else if (strcmp(token, "roll") == 0)

8
demo/note
View file

@ -5,6 +5,7 @@
// Function Definition
void note(uint32_t frequency, unsigned int duration_ms);
void wave(uint32_t wave);
// Notes
@ -76,3 +77,10 @@ void note(uint32_t frequency, unsigned int duration_ms);
#define NOTE_B6 1976
#define NOTE_C7 2093
// Waves
#define WAVE_SAW 0
#define WAVE_SQUARE 1
#define WAVE_TRIANGLE 2
#define WAVE_SINE 3

4
demo/note.cpp
View file

@ -6,3 +6,7 @@ void note(uint32_t frequency, unsigned int duration_ms) {
busy_wait(duration_ms);
audio_targ0_write(0);
}
void wave(uint32_t wave) {
audio_wave0_write(wave);
}