int main (void) {
// Initialize the MCU
Initialize();
led_board(0);
delay_ms(100); // flash LEDs
led_board(1);
delay_ms(100);
led_board(0);
delay_ms(100);
led_board(1);
synth_init(); // initialize synthesis
synth_amp(255); // full volume
synth_freq(440); // play 440 Hz for 2 seconds
delay_ms(2000);
for (;;){
synth_freq(200); // play four notes over and over
delay_ms(500);
synth_freq(400);
delay_ms(500);
synth_freq(600);
delay_ms(500);
synth_freq(800);
delay_ms(500);
}
} // main()
int main(int argc, char *argv[])
{
(void)argc;
(void)argv;
if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) != 0)
return -1;
atexit(SDL_Quit);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4);
SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, 1);
SDL_Surface *screen = SDL_SetVideoMode(800, 600, 32, SDL_OPENGL);
if(!screen)
return -1;
if(glewInit() != GLEW_OK)
return -1;
audio_callback_userdata_t audio_callback_userdata;
SDL_AudioSpec desired_audio_spec, obtained_audio_spec;
desired_audio_spec.freq = 44100;
desired_audio_spec.format = AUDIO_U16SYS;
desired_audio_spec.channels = 1;
desired_audio_spec.samples = 1024;
desired_audio_spec.callback = audio_callback;
desired_audio_spec.userdata = &audio_callback_userdata;
if(SDL_OpenAudio(&desired_audio_spec, &obtained_audio_spec) != 0)
return -1;
atexit(SDL_CloseAudio);
synth_t synth;
synth_init(&synth, obtained_audio_spec.freq);
audio_callback_userdata.synth = &synth;
audio_callback_userdata.audiospec = obtained_audio_spec;
SDL_PauseAudio(0);
int err = main_loop(&synth);
SDL_PauseAudio(1);
synth_cleanup(&synth);
SDL_CloseAudio();
SDL_Quit();
return err;
}
int main(void) {
/* Basic chip initialization is taken care of in SystemInit() called
* from the startup code. SystemInit() and chip settings are defined
* in the CMSIS system_<part family>.c file.
*/
/* Initialize 32-bit timer 0. TIME_INTERVAL is defined as 10mS */
/* You may also want to use the Cortex SysTick timer to do this */
init_timer32(0, TIME_INTERVAL);
/* Enable timer 0. nOur interrupt handler will begin incrementing
* the TimeTick global each time timer 0 matches and resets.
*/
enable_timer32(0);
/* Initialize GPIO (sets up clock) */
GPIOInit();
LPC_IOCON->R_PIO0_11 |= 1;
/* Set LED port pin to output */
GPIOSetDir(LED_PORT, LED_BIT, 1);
synth_init();
int i;
for (i = 0; i < 6; i++) {
synth_channels[i].freq = 100 * i;
synth_channels[i].amp = 1 << (16 - i);
synth_channels[i].func = SYNTH_SAW;
}
while (1) {
int tmp = 500 * ADCValue[1]/512;
for (i = 0; i < 6; i++)
synth_channels[i].freq = tmp*(i+1);
}
while (1) /* Loop forever */
{
/* Each time we wake up... */
/* Check TimeTick to see whether to set or clear the LED I/O pin */
if ((timer32_0_counter % LED_TOGGLE_TICKS) < (LED_TOGGLE_TICKS / 2)) {
GPIOSetValue(LED_PORT, LED_BIT, LED_OFF);
} else {
GPIOSetValue(LED_PORT, LED_BIT, LED_ON);
}
/* Go to sleep to save power between timer interrupts */
__WFI();
}
}
int main()
{
// Peripheral initialisation
I2C_init();
LCD_init();
LCD_write("Loading...");
DEBUG_init();
// Function initialisation
WAVE_init();
synth_init();
CAN_init();
menu_display();
while (1)
{
menu_update();
}
// Keypad for synth debugging
/*int down = 0;
int key = -1;
while(1)
{
key = KEYPAD_get_key();
if ((key != -1) && !down)
{
int note = 69+key;
synth_note_on(note_to_freq(note),1.0);
LCD_write_int("%d",note_to_freq(note));
down = 1;
}
if ((key == -1) && down)
{
synth_note_off(1.0);
LCD_clear();
down = 0;
}
}*/
// Loop to allow interupts
while(1);
return(1);
}
static int EMSCRIPTEN_KEEPALIVE playTune(int selectedTrack) {
sActualSubsong= selectedTrack;
reInitEngine();
synth_init(sSampleRate);
initClockSpeed();
initSampleBuffer();
initC64Rom();
// reset & init
memcpy(memory, sMemorySnapshot, MEMORY_SIZE); // restore original mem content.. previous "sInitAddr" run may have corrupted the state
// CIA 1 defaults (by default C64 is configured with CIA1 timer / not raster irq)
setIO(0xdc0d, 0x81); // interrupt control (interrupt through timer A)
setIO(0xdc0e, 0x01); // control timer A: start - must already be started (e.g. Phobia, GianaSisters, etc expect it)
setIO(0xdc0f, 0x08); // control timer B (start/stop) means auto-restart
setIO(0xdc04, sTotalCyclesPerScreen&0xff); // timer A (1x pro screen refresh)
setIO(0xdc05, sTotalCyclesPerScreen>>8);
if (isRsid()) {
// by default C64 is configured with CIA1 timer / not raster irq
setIO(0xd01a, 0x00); // raster irq not active
setIO(0xd011, 0x1B);
setIO(0xd012, 0x00); // raster at line x
// CIA 2 defaults
setIO(0xdd0e, 0x08); // control timer 2A (start/stop)
setIO(0xdd0f, 0x08); // control timer 2B (start/stop)
}
setupInitMemoryBank();
initCia();
initVic();
sOverflowDigiCount=0;
sDigiCount=0;
hackIfNeeded();
sMainProgStatus= callMain(sInitAddr, sActualSubsong, 0, CYCLELIMIT); // if it does not complete then it is likely in an endless loop / maybe digi player
initBuffers();
setupPsidPlayMemoryBank();
return 0;
}
/*
* This is called when a user requests to change synthesizers.
*/
static ssize_t synth_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
int len;
char new_synth_name[10];
len = strlen(buf);
if (len < 2 || len > 9)
return -EINVAL;
strncpy(new_synth_name, buf, len);
if (new_synth_name[len - 1] == '\n')
len--;
new_synth_name[len] = '\0';
spk_strlwr(new_synth_name);
if (synth && !strcmp(new_synth_name, synth->name)) {
pr_warn("%s already in use\n", new_synth_name);
} else if (synth_init(new_synth_name) != 0) {
pr_warn("failed to init synth %s\n", new_synth_name);
return -ENODEV;
}
return count;
}
int main(int argc, char **argv)
{
int err;
#ifdef __APPLE__
char *cfrespath;
CFBundleRef mainBundle;
CFURLRef res;
CFStringRef respathref;
#endif
// load config file from user's homedir
dotfile_load();
// calculate tables for supersaw
calc_supersaw_tables();
// init data on all pages to defaults
synth_init();
patch_init();
pattern_init();
sequencer_init();
// init glut
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glutInitWindowSize(DS_WIDTH,DS_HEIGHT);
glutCreateWindow("komposter");
glutIgnoreKeyRepeat(1);
#ifdef __APPLE__
// get application bundle base path
mainBundle=CFBundleGetMainBundle();
res=CFBundleCopyBundleURL(mainBundle);
respathref=CFURLCopyFileSystemPath(res, 0);
cfrespath=(char*)CFStringGetCStringPtr(respathref, kCFStringEncodingISOLatin1);
if (!cfrespath) {
cfrespath=malloc(512);
CFStringGetCString(respathref, cfrespath, 511, kCFStringEncodingISOLatin1);
strncpy(respath, cfrespath, 511);
free(cfrespath);
} else {
strncpy(respath, cfrespath, 511);
}
strncat(respath, "/Contents/Resources/", 511); // append the resource dir
#else
#ifdef RESOURCEPATH
if(is_dir(RESOURCEPATH))
{
strncpy(respath, RESOURCEPATH, 511);
}
else
{
fprintf(stderr, "'%s' not found, trying relative path\n", RESOURCEPATH);
strncpy(respath, "resources/", 511);
}
#else
strncpy(respath, "resources/", 512);
#endif
#endif
printf("Resource path is %s\n", respath);
// init freetype
err=font_init();
if (!err) {
printf("Error initializing Freetype!\n");
return 0;
}
// set glut callbacks
glutKeyboardFunc(keyboardfunc);
glutKeyboardUpFunc(keyboardupfunc);
glutMouseFunc(mouse_clickfunc);
glutMotionFunc(mouse_dragfunc);
glutSpecialFunc(specialkeyfunc);
glutPassiveMotionFunc(mouse_hoverfunc);
// init memory manager
kmm_init();
// set up screen and fire up the update timer
cpage=MAIN_PAGE4;
glutDisplayFunc(display);
glutTimerFunc(20, update, 1);
dialog_open(&about_draw, &about_hover, &about_click);
// start audio and opengl mainloop
atexit(cleanup);
if (!audio_initialize()) {
printf("Failed to initialize audio playback - sound is disabled.\n");
} else {
err = pthread_create(&audiothread, NULL, audio_playback, (void *)NULL);
}
err = pthread_create(&renderthread, NULL, audio_renderer, (void *)NULL);
glutMainLoop();
return 0;
}