neon443/ColourCam3DS
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smooth camera + capture color

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This commit is contained in:
Thuc Chi Do
2025-08-11 08:14:18 -04:00
parent ed33ab7fdc
commit 6ac56b8569
1 changed files with 85 additions and 18 deletions
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103
source/main.c
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@@ -8,7 +8,7 @@
#define HEIGHT 240
#define SCREENSIZE WIDTH * HEIGHT * 2
#define BUFSIZE SCREENSIZE * 2
#define WAIT_TIMEOUT 300000000ULL
#define WAIT_TIMEOUT 100000000ULL
void clearScreen(void) {
u8 *frame = gfxGetFramebuffer(GFX_BOTTOM, GFX_LEFT, NULL, NULL);
@@ -55,34 +55,34 @@ u8* flushBuffs(u8 *buf) {
void takePicture(u8 *buf) {
u32 bufSize;
printf("CAMU_GetMaxBytes: 0x%08X\n", (unsigned int) CAMU_GetMaxBytes(&bufSize, WIDTH, HEIGHT));
printf("CAMU_SetTransferBytes: 0x%08X\n", (unsigned int) CAMU_SetTransferBytes(PORT_BOTH, bufSize, WIDTH, HEIGHT));
CAMU_GetMaxBytes(&bufSize, WIDTH, HEIGHT);
CAMU_SetTransferBytes(PORT_BOTH, bufSize, WIDTH, HEIGHT);
printf("CAMU_Activate: 0x%08X\n", (unsigned int) CAMU_Activate(SELECT_OUT1_OUT2));
CAMU_Activate(SELECT_OUT1_OUT2);
Handle camReceiveEvent = 0;
Handle camReceiveEvent2 = 0;
printf("CAMU_ClearBuffer: 0x%08X\n", (unsigned int) CAMU_ClearBuffer(PORT_BOTH));
printf("CAMU_SynchronizeVsyncTiming: 0x%08X\n", (unsigned int) CAMU_SynchronizeVsyncTiming(SELECT_OUT1, SELECT_OUT2));
CAMU_ClearBuffer(PORT_BOTH);
CAMU_SynchronizeVsyncTiming(SELECT_OUT1, SELECT_OUT2);
printf("CAMU_StartCapture: 0x%08X\n", (unsigned int) CAMU_StartCapture(PORT_BOTH));
CAMU_StartCapture(PORT_BOTH);
printf("CAMU_SetReceiving: 0x%08X\n", (unsigned int) CAMU_SetReceiving(&camReceiveEvent, buf, PORT_CAM1, SCREENSIZE, (s16) bufSize));
printf("CAMU_SetReceiving: 0x%08X\n", (unsigned int) CAMU_SetReceiving(&camReceiveEvent2, buf + SCREENSIZE, PORT_CAM2, SCREENSIZE, (s16) bufSize));
printf("svcWaitSynchronization: 0x%08X\n", (unsigned int) svcWaitSynchronization(camReceiveEvent, WAIT_TIMEOUT));
printf("svcWaitSynchronization: 0x%08X\n", (unsigned int) svcWaitSynchronization(camReceiveEvent2, WAIT_TIMEOUT));
CAMU_SetReceiving(&camReceiveEvent, buf, PORT_CAM1, SCREENSIZE, (s16) bufSize);
CAMU_SetReceiving(&camReceiveEvent2, buf + SCREENSIZE, PORT_CAM2, SCREENSIZE, (s16) bufSize);
svcWaitSynchronization(camReceiveEvent, WAIT_TIMEOUT);
svcWaitSynchronization(camReceiveEvent2, WAIT_TIMEOUT);
printf("CAMU_StopCapture: 0x%08X\n", (unsigned int) CAMU_StopCapture(PORT_BOTH));
CAMU_StopCapture(PORT_BOTH);
svcCloseHandle(camReceiveEvent);
svcCloseHandle(camReceiveEvent2);
printf("CAMU_Activate: 0x%08X\n", (unsigned int) CAMU_Activate(SELECT_NONE));
CAMU_Activate(SELECT_NONE);
}
void getColor(void *fb, int row, int col) {
printf("CAMU_PlayShutterSound: 0x%08X\n", (unsigned int) CAMU_PlayShutterSound(SHUTTER_SOUND_TYPE_NORMAL));
CAMU_PlayShutterSound(SHUTTER_SOUND_TYPE_NORMAL);
u8 *fb_8 = (u8*) fb;
u32 v = ((HEIGHT - col) + (row*HEIGHT)) * 3;
uint8_t r = fb_8[v];
@@ -103,6 +103,8 @@ int main(int argc, char* argv[])
CAMU_SetSize(SELECT_OUT1_OUT2, SIZE_CTR_TOP_LCD, CONTEXT_A);
CAMU_SetOutputFormat(SELECT_OUT1_OUT2, OUTPUT_RGB_565, CONTEXT_A);
CAMU_SetFrameRate(SELECT_OUT1_OUT2, FRAME_RATE_30);
CAMU_SetNoiseFilter(SELECT_OUT1_OUT2, true);
CAMU_SetAutoExposure(SELECT_OUT1_OUT2, true);
CAMU_SetAutoWhiteBalance(SELECT_OUT1_OUT2, true);
@@ -112,20 +114,82 @@ int main(int argc, char* argv[])
CAMU_SetTrimming(PORT_CAM2, false);
//printf("CAMU_SetTrimmingParamsCenter: 0x%08X\n", (unsigned int) CAMU_SetTrimmingParamsCenter(PORT_CAM1, 512, 240, 512, 384));
printf("Hello, world!\n");
u32 bufSize;
CAMU_GetMaxBytes(&bufSize, WIDTH, HEIGHT);
CAMU_SetTransferBytes(PORT_BOTH, bufSize, WIDTH, HEIGHT);
CAMU_Activate(SELECT_OUT1_OUT2);
Handle camReceiveEvent[4] = {0};
bool captureInterrupted = false;
s32 index = 0;
// events 0 and 1 for interruption
CAMU_GetBufferErrorInterruptEvent(&camReceiveEvent[0], PORT_CAM1);
CAMU_GetBufferErrorInterruptEvent(&camReceiveEvent[1], PORT_CAM2);
CAMU_ClearBuffer(PORT_BOTH);
CAMU_SynchronizeVsyncTiming(SELECT_OUT1, SELECT_OUT2);
CAMU_StartCapture(PORT_BOTH);
printf("Welcome to Colour Cam!\n");
// Main loop
while (aptMainLoop())
{
hidScanInput();
if (!captureInterrupted) {
// Read which buttons are currently pressed or not
hidScanInput();
hidKeysDown();
}
// events 2 and 3 for capture
if (camReceiveEvent[2] == 0) {
CAMU_SetReceiving(&camReceiveEvent[2], buf, PORT_CAM1, SCREENSIZE, (s16)bufSize);
}
if (camReceiveEvent[3] == 0) {
CAMU_SetReceiving(&camReceiveEvent[3], buf + SCREENSIZE, PORT_CAM2, SCREENSIZE, (s16)bufSize);
}
if (captureInterrupted) {
CAMU_StartCapture(PORT_BOTH);
captureInterrupted = false;
}
svcWaitSynchronizationN(&index, camReceiveEvent, 4, false, WAIT_TIMEOUT);
switch (index) {
case 0:
svcCloseHandle(camReceiveEvent[2]);
camReceiveEvent[2] = 0;
captureInterrupted = true;
continue; //skip screen update
break;
case 1:
svcCloseHandle(camReceiveEvent[3]);
camReceiveEvent[3] = 0;
captureInterrupted = true;
continue; //skip screen update
break;
case 2:
svcCloseHandle(camReceiveEvent[2]);
camReceiveEvent[2] = 0;
break;
case 3:
svcCloseHandle(camReceiveEvent[3]);
camReceiveEvent[3] = 0;
break;
default:
break;
}
takePicture(buf);
writePicToFBuff(gfxGetFramebuffer(GFX_TOP, GFX_LEFT, NULL, NULL), buf, 0, 0);
// Your code goes here
u32 kDown = hidKeysDown();
if (kDown & KEY_R) {
printf("start presed\n");
buf = flushBuffs(buf);
gfxFlushBuffers();
@@ -147,6 +211,9 @@ int main(int argc, char* argv[])
gfxSwapBuffers();
}
CAMU_StopCapture(PORT_BOTH);
free(buf);
gfxExit();