diff options
Diffstat (limited to 'backends/platform/ds/arm7/source/main.cpp')
| -rw-r--r-- | backends/platform/ds/arm7/source/main.cpp | 188 |
1 files changed, 94 insertions, 94 deletions
diff --git a/backends/platform/ds/arm7/source/main.cpp b/backends/platform/ds/arm7/source/main.cpp index b7d9445e6e..dc2ff42fcb 100644 --- a/backends/platform/ds/arm7/source/main.cpp +++ b/backends/platform/ds/arm7/source/main.cpp @@ -28,9 +28,9 @@ ////////////////////////////////////////////////////////////////////// //#define USE_LIBCARTRESET - + #include <nds.h> - + #include <bios.h> #include <arm7/touch.h> #include <arm7/clock.h> @@ -113,12 +113,12 @@ void startSound(int sampleRate, const void* data, uint32 bytes, u8 channel=0, u8 } else { channel = 0; }*/ - + if (channel > 1) channel = 1; - + bytes &= ~7; // Multiple of 4 bytes! // bytes += 4; - + SCHANNEL_CR(channel) = 0; SCHANNEL_TIMER(channel) = SOUND_FREQ(sampleRate); SCHANNEL_SOURCE(channel) = ((uint32) (data)); @@ -130,7 +130,7 @@ void startSound(int sampleRate, const void* data, uint32 bytes, u8 channel=0, u8 SCHANNEL_SOURCE(channel + 2) = ((uint32) (data)); SCHANNEL_LENGTH(channel + 2) = ((bytes & 0x7FFFFFFF) >> 2); SCHANNEL_REPEAT_POINT(channel + 2) = 0; - + uint32 flags = SCHANNEL_ENABLE | SOUND_VOL(vol) | SOUND_PAN(pan); switch (format) { @@ -139,21 +139,21 @@ void startSound(int sampleRate, const void* data, uint32 bytes, u8 channel=0, u8 flags |= SOUND_REPEAT;// | (1 << 15); break; } - + case 0: { flags |= SOUND_16BIT; flags |= SOUND_REPEAT;// | (1 << 15); break; } - + case 2: { flags |= SOUND_FORMAT_ADPCM; flags |= SOUND_ONE_SHOT;// | (1 << 15); - + SCHANNEL_SOURCE(channel) = (unsigned int) IPC->adpcm.buffer[0]; //bytes += 32; SCHANNEL_LENGTH(channel) = (((bytes + 4) & 0x7FFFFFFF) >> 2); - + SCHANNEL_CR(channel + 1) = 0; SCHANNEL_SOURCE(channel + 1) = (unsigned int) IPC->adpcm.buffer[0]; SCHANNEL_LENGTH(channel + 1) = (((bytes + 4) & 0x7FFFFFFF) >> 2); @@ -165,16 +165,16 @@ void startSound(int sampleRate, const void* data, uint32 bytes, u8 channel=0, u8 break; } } - - + + // if (bytes & 0x80000000) { // flags |= SOUND_REPEAT; // } else { // } - - - + + + soundData = (vu8* ) data; SCHANNEL_CR(channel) = flags; @@ -186,11 +186,11 @@ void startSound(int sampleRate, const void* data, uint32 bytes, u8 channel=0, u8 for (volatile int i = 0; i < 16384 * 2; i++) { // Delay loop - this makes everything stay in sync! } - + TIMER0_CR = 0; TIMER0_DATA = SOUND_FREQ(sampleRate) * 2; TIMER0_CR = TIMER_ENABLE | TIMER_DIV_1; - + TIMER1_CR = 0; TIMER1_DATA = 65536 - ((bytes & 0x7FFFFFFF) >> 3); // Trigger four times during the length of the buffer TIMER1_CR = TIMER_ENABLE | TIMER_IRQ_REQ | TIMER_CASCADE; @@ -200,19 +200,19 @@ void startSound(int sampleRate, const void* data, uint32 bytes, u8 channel=0, u8 for (volatile int i = 0; i < 16384 * 2; i++) { // Delay loop - this makes everything stay in sync! } - + TIMER2_CR = 0; TIMER2_DATA = SOUND_FREQ(sampleRate) * 2; TIMER2_CR = TIMER_ENABLE | TIMER_DIV_1; - + TIMER3_CR = 0; TIMER3_DATA = 65536 - ((bytes & 0x7FFFFFFF) >> 3); // Trigger four times during the length of the buffer TIMER3_CR = TIMER_ENABLE | TIMER_IRQ_REQ | TIMER_CASCADE; - + for (int r = 0; r < 4; r++) { // IPC->streamFillNeeded[r] = true; } - + IPC->streamPlayingSection = 0; } @@ -221,7 +221,7 @@ void startSound(int sampleRate, const void* data, uint32 bytes, u8 channel=0, u8 // IPC->fillSoundFirstHalf = true; // IPC->fillSoundSecondHalf = true; // soundFirstHalf = true; - + // REG_IME = IME_ENABLE; } @@ -247,7 +247,7 @@ uint16 powerManagerWrite(uint32 command, u32 data, bool enable) { REG_SPICNT = SPI_ENABLE | SPI_BAUD_1MHz; REG_SPIDATA = 0; SerialWaitBusy(); - + result = REG_SPIDATA & 0xFF; @@ -277,15 +277,15 @@ void performSleep() { IRQ_HANDLER = DummyHandler; IF = ~0; IME = 1; - - + + // Now save which interrupts are enabled, then set only the screens unfolding // interrupt to be enabled, so that the first interrupt that happens is the // one I want. int saveInts = IE; - - - + + + IE = IRQ_TIMER0; // Screens unfolding interrupt // Now call the sleep function in the bios @@ -294,26 +294,26 @@ void performSleep() { TIMER0_CR = 0; TIMER0_DATA = TIMER_FREQ(20); TIMER0_CR = TIMER_ENABLE | TIMER_DIV_64; - + swiDelay(100); - + swiSleep(); swiDelay(100); - - powerManagerWrite(0, 0x30, b = !b); + + powerManagerWrite(0, 0x30, b = !b); } while (!(TIMER0_CR & TIMER_ENABLE)); - + TIMER0_CR = 0; - // We're back from sleep, now restore the interrupt state and IRQ handler + // We're back from sleep, now restore the interrupt state and IRQ handler IRQ_HANDLER = (void (*)()) irq; IE = saveInts; IF = ~0; IME = 1; - - + + powerManagerWrite(0, 0x30, false); } @@ -322,29 +322,29 @@ void performSleep() { powerManagerWrite(0, 0x30, true); IPC->performArm9SleepMode = true; // Tell ARM9 to sleep - + // u32 irq = (u32) IRQ_HANDLER; // IRQ_HANDLER = DummyHandler; // POWER_CR &= ~POWER_SOUND; - + // int saveInts = REG_IE; // REG_IE = (1 << 22) | IRQ_VBLANK; // Lid open // *((u32*) (0x0380FFF8)) = *((u32*) (0x0380FFF8)) | (REG_IE & REG_IF); // VBLANK_INTR_WAIT_FLAGS = IRQ_VBLANK; - + int r = 0; while ((REG_KEYXY & (1 << 7))) { // Wait for lid to open swiDelay(1000000); r++; } - + // IRQ_HANDLER = (void (*)()) irq; IPC->performArm9SleepMode = false; // Tell ARM9 to wake up // REG_IE = saveInts; - + // POWER_CR |= POWER_SOUND; - + powerManagerWrite(0, 0x30, false); } @@ -353,33 +353,33 @@ void powerOff() { } ////////////////////////////////////////////////////////////////////// - - + + void InterruptTimer1() { - + IPC->fillNeeded[playingSection] = true; soundFilled[playingSection] = false; - + if (playingSection == 3) { // IME = IME_DISABLED; - + // while (SCHANNEL_CR(0) & SCHANNEL_ENABLE) { // } -// SCHANNEL_CR(0) &= ~SCHANNEL_ENABLE; - +// SCHANNEL_CR(0) &= ~SCHANNEL_ENABLE; + // SCHANNEL_CR(0) |= SCHANNEL_ENABLE; // TIMER1_CR = 0; // TIMER1_CR = TIMER_ENABLE | TIMER_IRQ_REQ | TIMER_CASCADE; - + playingSection = 0; - + // IME = IME_ENABLED; } else { playingSection++; } - + IPC->playingSection = playingSection; - + /* for (int r = 0; r < 4; r++) { //if ((!soundFilled[r]) && (!IPC->fillNeeded[playingSection])) { memcpy((void *) (soundBuffer + (r * 1024)), (void *) (arm9Buffer + (r * 1024)), 1024); @@ -391,21 +391,21 @@ void InterruptTimer1() { soundFilled[r] = true; //} }*/ -} - +} + void InterruptTimer3() { while (IPC->adpcm.semaphore); // Wait for buffer to become free if needed IPC->adpcm.semaphore = true; // Lock the buffer structure to prevent clashing with the ARM7 - + IPC->streamFillNeeded[IPC->streamPlayingSection] = true; - + if (IPC->streamPlayingSection == 3) { IPC->streamPlayingSection = 0; } else { IPC->streamPlayingSection++; } - - + + IPC->adpcm.semaphore = false; } @@ -416,10 +416,10 @@ void InterruptTimer3() { // static int16 TOUCH_HEIGHT = TOUCH_CAL_Y2 - TOUCH_CAL_Y1; // static int16 CNTRL_WIDTH = TOUCH_CNTRL_X2 - (TOUCH_CNTRL_X1 - 8); // static int16 CNTRL_HEIGHT = TOUCH_CNTRL_Y2 - (TOUCH_CNTRL_Y1 - 8); - - - - + + + + void InterruptVBlank() { uint16 but=0, x=0, y=0, xpx=0, ypx=0, z1=0, z2=0, batt=0, aux=0; int t1=0, t2=0; @@ -428,7 +428,7 @@ void InterruptTimer3() { static int heartbeat = 0; // Update the heartbeat heartbeat++; - + // Read the X/Y buttons and the /PENIRQ line but = REG_KEYXY; if (!(but & 0x40)) { @@ -437,28 +437,28 @@ void InterruptTimer3() { // x = touchRead(TSC_MEASURE_X); // y = touchRead(TSC_MEASURE_Y); - + x = p.x; y = p.y; - + xpx = p.px; ypx = p.py; - + // xpx = ( ((SCREEN_WIDTH -60) * x) / TOUCH_WIDTH ) - TOUCH_OFFSET_X; // ypx = ( ((SCREEN_HEIGHT-60) * y) / TOUCH_HEIGHT ) - TOUCH_OFFSET_Y; - + // xpx = (IPC->touchX - (int16) TOUCH_CAL_X1) * CNTRL_WIDTH / TOUCH_WIDTH + (int16) (TOUCH_CNTRL_X1 - 8); - // ypx = (IPC->touchY - (int16) TOUCH_CAL_Y1) * CNTRL_HEIGHT / TOUCH_HEIGHT + (int16) (TOUCH_CNTRL_Y1 - 8); + // ypx = (IPC->touchY - (int16) TOUCH_CAL_Y1) * CNTRL_HEIGHT / TOUCH_HEIGHT + (int16) (TOUCH_CNTRL_Y1 - 8); + - z1 = touchRead(TSC_MEASURE_Z1); z2 = touchRead(TSC_MEASURE_Z2); } - + if (but & (1 << 7)) { // Check if screen is folded needSleep = true; } - + batt = touchRead(TSC_MEASURE_BATTERY); aux = touchRead(TSC_MEASURE_AUX); @@ -466,11 +466,11 @@ void InterruptTimer3() { // Read the time rtcGetTime((uint8 *)ct); BCDToInteger((uint8 *)&(ct[1]), 7); - + // Read the temperature temp = touchReadTemperature(&t1, &t2); - - + + // Update the IPC struct IPC->heartbeat = heartbeat; IPC->buttons = but; @@ -491,7 +491,7 @@ void InterruptTimer3() { IPC->tdiode1 = t1; IPC->tdiode2 = t2; - + //sound code :) TransferSound *snd = IPC->soundData; @@ -508,12 +508,12 @@ void InterruptTimer3() { } } } - - + + #ifdef USE_DEBUGGER Wifi_Update(); // update wireless in vblank #endif -} +} ////////////////////////////////////////////////////////////////////// @@ -530,10 +530,10 @@ void arm7_fifo() { // check incoming fifo messages if (msg==0x87654321) Wifi_Sync(); } - + void initDebugger() { - + // set up the wifi irq irqSet(IRQ_WIFI, Wifi_Interrupt); // set up wifi interrupt irqEnable(IRQ_WIFI); @@ -558,7 +558,7 @@ void initDebugger() { REG_IPC_FIFO_CR = IPC_FIFO_ENABLE | IPC_FIFO_RECV_IRQ; Wifi_SetSyncHandler(arm7_synctoarm9); // allow wifi lib to notify arm9 - // arm7 wifi init complete + // arm7 wifi init complete } #endif @@ -572,11 +572,11 @@ void reboot() { int main(int argc, char ** argv) { - + #ifdef USE_DEBUGGER REG_IPC_FIFO_CR = IPC_FIFO_ENABLE | IPC_FIFO_SEND_CLEAR; #endif - + // Reset the clock if needed rtcReset(); @@ -587,19 +587,19 @@ int main(int argc, char ** argv) { IPC->reset = false; - - + + for (int r = 0; r < 8; r++) { IPC->adpcm.arm7Buffer[r] = (u8 *) malloc(512); } - + for (int r = 0; r < 4; r++) { soundFilled[r] = false; } - + // Set up the interrupt handler - + irqInit(); irqSet(IRQ_VBLANK, InterruptVBlank); @@ -610,7 +610,7 @@ int main(int argc, char ** argv) { irqSet(IRQ_TIMER3, InterruptTimer3); irqEnable(IRQ_TIMER3); - + /* REG_IME = 0; IRQ_HANDLER = &InterruptHandler; REG_IE = IRQ_VBLANK | IRQ_TIMER1 | IRQ_TIMER3; @@ -619,10 +619,10 @@ int main(int argc, char ** argv) { REG_IME = 1; */ - -#ifdef USE_DEBUGGER + +#ifdef USE_DEBUGGER initDebugger(); -#endif +#endif // Keep the ARM7 out of main RAM while ((1)) { @@ -646,6 +646,6 @@ int main(int argc, char ** argv) { return 0; } - + ////////////////////////////////////////////////////////////////////// |