//---------------------------------------------------------------------------------
// Reset the DS registers to sensible defaults
//---------------------------------------------------------------------------------
void __attribute__((weak)) initSystem(void) {
//---------------------------------------------------------------------------------
register int i;
// stop timers and dma
for (i=0; i<4; i++)
{
DMA_CR(i) = 0;
DMA_SRC(i) = 0;
DMA_DEST(i) = 0;
TIMER_CR(i) = 0;
TIMER_DATA(i) = 0;
}
// clear video display registers
dmaFillWords(0, (void*)0x04000000, 0x56);
dmaFillWords(0, (void*)0x04001008, 0x56);
videoSetModeSub(0);
vramDefault();
VRAM_E_CR = 0;
VRAM_F_CR = 0;
VRAM_G_CR = 0;
VRAM_H_CR = 0;
VRAM_I_CR = 0;
irqInit();
fifoInit();
fifoSetValue32Handler(FIFO_PM, powerValueHandler, 0);
fifoSetDatamsgHandler(FIFO_SYSTEM, systemMsgHandler, 0);
if(REG_DSIMODE) {
fifoSendValue32(FIFO_PM,PM_DSI_HACK);
__dsimode = true;
}
__transferRegion()->buttons = 0xffff;
punixTime = (time_t*)memUncached((void *)&__transferRegion()->unixTime);
__syscalls.exit = __libnds_exit;
extern char *fake_heap_end;
__transferRegion()->bootcode = (struct __bootstub *)fake_heap_end;
irqEnable(IRQ_VBLANK);
}
int soundMicRecord(void *buffer, u32 bufferLength, MicFormat format, int freq, MicCallback callback){
FifoMessage msg;
msg.type = MIC_RECORD_MESSAGE;
msg.MicRecord.format = format;
msg.MicRecord.buffer = buffer;
msg.MicRecord.freq = freq;
msg.MicRecord.bufferLength = bufferLength;
micCallback = callback;
fifoSetDatamsgHandler(FIFO_SOUND, micBufferHandler, 0);
fifoSendDatamsg(FIFO_SOUND, sizeof(msg), (u8*)&msg);
while(!fifoCheckValue32(FIFO_SOUND));
return (int)fifoGetValue32(FIFO_SOUND);
}
int ARM7_MAIN(void)
{
readUserSettings();
// init irq
irqInit();
initClockIRQ();
// init irq callback
irqSet(IRQ_VCOUNT, IRQ_VCount);
irqSet(IRQ_VBLANK, IRQ_VBlank);
irqEnable(IRQ_VBLANK | IRQ_VCOUNT | IRQ_NETWORK);
// init fifo system
fifoInit();
// install fifo subsystems
installWifiFIFO();
installSoundFIFO();
installSystemFIFO();
mmInstall(FIFO_MAXMOD);
// init fifo callback for arm9 communication
fifoSetDatamsgHandler(FIFO_USER_01, I_PollArm9Messages, 0);
SetYtrigger(80);
setPowerButtonCB(powerButtonCB);
// Keep the ARM7 mostly idle
while(!exitflag)
{
if(0 == (REG_KEYINPUT & (KEY_SELECT | KEY_START | KEY_L | KEY_R)))
exitflag = true;
swiIntrWait(1, IRQ_FIFO_NOT_EMPTY | IRQ_VBLANK);
}
return 0;
}
void CommandDeinit()
{
fifoSetDatamsgHandler(FIFO_NTXM, NULL, 0);
}
void CommandInit(void)
{
fifoSetDatamsgHandler(FIFO_NTXM, CommandRecvHandler, 0);
//fifoSetValue32Handler(FIFO_NTXM, CommandRecvHandler, 0);
}
//---------------------------------------------------------------------------------
void installAvrFIFO(void) {
//---------------------------------------------------------------------------------
fifoSetDatamsgHandler(FIFO_AVR, avrDataHandler, 0);
// fifoSetValue32Handler(FIFO_AVR, avrCommandHandler, 0);
}
//---------------------------------------------------------------------------------
int main(int argc, char ** argv) {
//---------------------------------------------------------------------------------
readUserSettings();
irqInit();
initClockIRQ();
fifoInit();
SetYtrigger(80);
#ifdef USE_WIFI
installWifiFIFO();
#endif
//installSoundFIFO();
installSystemFIFO();
//TIMER_CR(0) = TIMER_ENABLE | TIMER_IRQ_REQ | TIMER_DIV_1;
vcount = 80;
irqSet(IRQ_VBLANK, VblankHandler);
irqSet(IRQ_VCOUNT, VcountHandler);
irqSet(IRQ_HBLANK, hblank_handler);
irqEnable(IRQ_VBLANK | IRQ_VCOUNT | IRQ_HBLANK);
setPowerButtonCB(powerButtonCB);
fifoSetDatamsgHandler(FIFO_9to7, fifo_DataHandler, 0);
// irqSet(IRQ_LID, lid);
// irqEnable(IRQ_LID);
#ifdef IPC_IN_TIMER
irqSet(IRQ_TIMER0, handle_ipc);
TIMER_DATA(0) = TIMER_FREQ_256(20 * 60);
TIMER_CR(0) = TIMER_ENABLE | TIMER_IRQ_REQ | TIMER_DIV_256;
#endif
#ifdef USE_WIFI
#ifndef WIFI_ON_DEMAND
wifi_go();
#endif
#endif
#ifdef USE_ADHOC
IPC_Init() ;
LWIFI_Init() ;
#endif
// Keep the ARM7 idle
while (!exitflag)
{
//ARM7_PRINT("arm7 ");
if ( 0 == (REG_KEYINPUT & (KEY_SELECT | KEY_START | KEY_L | KEY_R))) {
exitflag = true;
}
#ifdef USE_ADHOC
LWIFI_IPC_UpdateNOIRQ() ;
#endif
if (do_mp3 != 0)
{
#ifdef USE_MP3
ds_enable_interrupts(0);
if (helix_initialised == 0)
{
ARM7_PRINT("beginning helix init\n");
helix_init();
ARM7_PRINT("helix init done\n");
helix_initialised = 1;
}
char helix_argv1[100];
char helix_argv2[100];
memset(helix_argv1, 0, 100);
memset(helix_argv2, 0, 100);
strcpy(helix_argv1, "/jones.mp3");
// sprintf(helix_argv1, "/quake soundtrack/0%d-AudioTrack 0%d.mp3", mp3_track_no, mp3_track_no);
// strcpy(helix_argv2, "/jones.pcm");
char *proper_helix_argv[3];
proper_helix_argv[0] = NULL;
proper_helix_argv[1] = helix_argv1;
// proper_helix_argv[1] = (char *)track_name;
proper_helix_argv[2] = helix_argv2;
ARM7_PRINT("Starting Helix...\n");
decoder_stopped = 0;
ds_enable_interrupts(1);
helix_main(3, proper_helix_argv);
ds_enable_interrupts(0);
decoder_stopped = 1;
ARM7_PRINT("out of helix\n");
// ARM7_HALT();
send_mp3_stop_message();
ds_enable_interrupts(1);
#endif
}
// if (REG_KEYXY & (1 << 7))
// {
// while (quake_ipc_7to9->message == 0xffffffff);
//
// quake_ipc_7to9->message_type = kLidHasClosed;
// quake_ipc_7to9->message = 0xffffffff;
//
// while (quake_ipc_7to9->message == 0xffffffff);
//
// ARM7_PRINT("ARM7: waiting...\n");
// while (REG_IPC_FIFO_CR&IPC_FIFO_RECV_EMPTY);
// ARM7_PRINT("ARM7: disabling interrupts\n");
//
// irqDisable(IRQ_HBLANK);
// irqDisable(IRQ_VBLANK);
// irqDisable(IRQ_VCOUNT);
//
//// irqEnable(IRQ_LID);
//
// powerOFF(POWER_SOUND);
//
// swiWaitForVBlank(); //wake up when the lid re-enables the interrupt
// }
if (arm7_initialised && ((hblanks & 0x3f) == 0))
{
arm7_initialised = 1;
//ARM7_PRINT("ping");
//while (quake_ipc_7to9->message == 0xffffffff);
//quake_ipc_7to9->message_type = kPing;
//quake_ipc_7to9->message = 0xffffffff;
//while (quake_ipc_7to9->message == 0xffffffff);
}
// int total = 0;
// for (int count = 0 ; count < 16; count++)
// if (!is_channel_enabled(count))
// total++;
// if (free_time == kFreeTime)
// ARM7_PRINTF("%d channels free\n", total);
// if (free_time == kFreeTime)
// if (needs_defrag())
// {
// ARM7_PRINT("NEEDS DEFRAG\n");
// defrag(&free_time);
// }
// swiWaitForVBlank();
#ifdef IPC_IN_MAIN_THREAD
//handle_ipc();
#endif
// if (arm7_initialised == true)
// {
//// temp_test();
//
// arm7_initialised = false;
// ARM7_PRINT("installing exception handler\n");
// install();
// register unsigned int sp asm ("13");
// ARM7_PRINT("done\nlet\'s try and crash it\n");
// /*ARM7_PRINT_NUMBER(sp);*/
//
//// asm("LDR r12,=MyReg2\n"
//// "STMIA r12,{r0-r15}\n"
//// :
//// :
//// : "r12");
//
//// ARM7_PRINT_NUMBER(MyReg2[12]);
//
//// for (int count = 0; count < 16; count++)
//// ARM7_PRINT_NUMBER(MyReg2[count]);
//// ARM7_PRINT("\n");
//// while(1);
//// asm (".word 0xffffffff");
//// asm (".word 0x0");
//
//
//// Exception();
//
//// asm (".word 0xe6000010");
//
//// asm("LDR r12,=MyReg2\n"
//// "STMIA r12,{r0-r15}\n"
//// :
//// :
//// : "r12");
////
//// for (int count = 0; count < 8; count++)
//// {
//// ARM7_PRINT_NUMBER(MyReg[count + 8]);
//// ARM7_PRINT_NUMBER(MyReg2[count + 8]);
//// }
//
//
//// asm ("mcr 15,0,r0,c0,c0,0");
//// asm ("bkpt");
//// *(int *)0 = 0;
//// asm ("b debugger_hit");
//// debugger_hit();
//// debugger_handle_breakpoint(0,0,0);
//
//// asm (".word 0xe6000010");
//// asm (".short 0xe801");
// ARM7_PRINT("shouldn\'t make it here\n");
// ARM7_PRINT_NUMBER(ProperCPSR);
// while(1);
// }
swiIntrWait(1, 1);
}
}
void InstallSoundSys()
{
/* Install FIFO */
fifoSetDatamsgHandler(FIFO_SNDSYS, sndsysMsgHandler, 0);
fifoSetDatamsgHandler(FIFO_RETURN, returnMsgHandler, 0);
}
