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void Gpu_Hal_WrMemFromFlash(Gpu_Hal_Context_t *host,uint32_t addr,const prog_uchar8_t *buffer, uint32_t length)
{
uint32_t SizeTransfered = 0;
Gpu_Hal_StartTransfer(host, GPU_WRITE, addr);
while (length--) {
Gpu_Hal_Transfer8(host,pgm_read_byte_near(buffer));
buffer++;
}
Gpu_Hal_EndTransfer(host);
}#ifdef SAMAPP_ENABLE_APIS_SET13
#if defined (ARDUINO_PLATFORM) || defined (FT900_PLATFORM) || defined (FT93X_PLATFORM)
void set13_fontBufferToRAMG(uint8_t *filePath, uint32_t address) {
int chunk_size = 1024;
uint8_t buff[1024];
FIL pFile;
long int curPos = 0;
long int filesz = 0;
UINT bytesread = 0;
FRESULT fResult;
fResult = f_open(&pFile, filePath, FA_READ | FA_OPEN_EXISTING);
if (fResult != FR_OK) {
printf("Cannot open %s, please check SD card, error: %d \n", filePath, fResult);
return;
}
filesz = f_size(&pFile);
printf("Opened %s, file size: %ld\n", filePath, filesz);
while (curPos < filesz) {
bytesread = (filesz - curPos)>chunk_size?chunk_size:(filesz - curPos);
fResult = f_read(&pFile, buff, chunk_size, &bytesread);
if (fResult != FR_OK) {
printf("Error on f_read\n");
return;
}
Gpu_Hal_WrMem(phost, address + curPos, buff, bytesread);
curPos += bytesread;
}
}
#endif
: the application freezes”void SAMAPP_GPU_DXT1() {
//load each .raw file into graphics RAM from directory ‘test’
//RAM_G is starting address in graphics RAM, for example 00 0000h
uint16_t imgWidth = 128, imgHeight = 128, c0_c1_width = 32, c0_c1_height = 32, c0_c1_stride = c0_c1_width * 2, b0_b1_width = imgWidth, b0_b1_height = imgHeight, b0_b1_stride = b0_b1_width/ 8, szPerFile = 2048;
#if defined(ARDUINO_PLATFORM) || defined(FT900_PLATFORM) || defined(FT93X_PLATFORM)
Gpu_Hal_WrMemFromFlash(phost, RAM_G, SAMAPP_Tomato_DXT1_C0_Data_Raw, szPerFile);
Gpu_Hal_WrMemFromFlash(phost, RAM_G + szPerFile, SAMAPP_Tomato_DXT1_C1_Data_Raw, szPerFile);
Gpu_Hal_WrMemFromFlash(phost, RAM_G + szPerFile * 2, SAMAPP_Tomato_DXT1_B0_Data_Raw, szPerFile);
Gpu_Hal_WrMemFromFlash(phost, RAM_G + szPerFile * 3, SAMAPP_Tomato_DXT1_B1_Data_Raw, szPerFile);
#endif
Gpu_CoCmd_Dlstart(phost);
App_WrCoCmd_Buffer(phost, CLEAR(1, 1, 1));
App_WrCoCmd_Buffer(phost, COLOR_RGB(255, 255, 255));
#if defined(MSVC_PLATFORM) || defined(MSVC_FT800EMU)
Gpu_Hal_WrMemFromFlash(phost, RAM_G, SAMAPP_Tomato_DXT1_C0_Data_Raw, szPerFile);
Gpu_Hal_WrMemFromFlash(phost, RAM_G + szPerFile, SAMAPP_Tomato_DXT1_C1_Data_Raw, szPerFile);
Gpu_Hal_WrMemFromFlash(phost, RAM_G + szPerFile * 2, SAMAPP_Tomato_DXT1_B0_Data_Raw, szPerFile);
Gpu_Hal_WrMemFromFlash(phost, RAM_G + szPerFile * 3, SAMAPP_Tomato_DXT1_B1_Data_Raw, szPerFile);
#endif
Gpu_CoCmd_LoadIdentity(phost);
Gpu_CoCmd_SetMatrix(phost);
App_WrCoCmd_Buffer(phost, SAVE_CONTEXT());
//B0&B1 handle
App_WrCoCmd_Buffer(phost, BITMAP_HANDLE(1));
App_WrCoCmd_Buffer(phost, BITMAP_SOURCE(RAM_G + szPerFile*2));
App_WrCoCmd_Buffer(phost, BITMAP_LAYOUT(L1, b0_b1_stride, b0_b1_height)); //L1 format stride is 1 bit per pixel
App_WrCoCmd_Buffer(phost,
BITMAP_SIZE(NEAREST, BORDER, BORDER, imgWidth, imgHeight)); //draw in full size
//C0&C1 handle
App_WrCoCmd_Buffer(phost, BITMAP_HANDLE(2));
App_WrCoCmd_Buffer(phost, BITMAP_SOURCE(RAM_G));
App_WrCoCmd_Buffer(phost, BITMAP_LAYOUT(RGB565, c0_c1_stride, c0_c1_height)); //RGB565 format stride is 2 bytes per pixel
App_WrCoCmd_Buffer(phost,
BITMAP_SIZE(NEAREST, BORDER, BORDER, imgWidth, imgHeight)); //draw in full size
// start drawing bitmaps
App_WrCoCmd_Buffer(phost, BEGIN(BITMAPS));
App_WrCoCmd_Buffer(phost, BLEND_FUNC(ONE, ZERO));
App_WrCoCmd_Buffer(phost, COLOR_A(0x55));
App_WrCoCmd_Buffer(phost, VERTEX2II(DispWidth / 2 - b0_b1_width / 2, DispHeight / 2 - b0_b1_height / 2, 1, 0));
App_WrCoCmd_Buffer(phost, BLEND_FUNC(ONE, ONE));
App_WrCoCmd_Buffer(phost, COLOR_A(0xAA));
App_WrCoCmd_Buffer(phost, VERTEX2II(DispWidth / 2 - b0_b1_width / 2, DispHeight / 2 - b0_b1_height / 2, 1, 1));
App_WrCoCmd_Buffer(phost, COLOR_MASK(1, 1, 1, 0));
Gpu_CoCmd_Scale(phost, 4 * 65536, 4 * 65536);
Gpu_CoCmd_SetMatrix(phost);
App_WrCoCmd_Buffer(phost, BLEND_FUNC(DST_ALPHA, ZERO));
App_WrCoCmd_Buffer(phost, VERTEX2II(DispWidth / 2 - b0_b1_width / 2, DispHeight / 2 - b0_b1_height / 2, 2, 1));
App_WrCoCmd_Buffer(phost, BLEND_FUNC(ONE_MINUS_DST_ALPHA, ONE));
App_WrCoCmd_Buffer(phost, VERTEX2II(DispWidth / 2 - b0_b1_width / 2, DispHeight / 2 - b0_b1_height / 2, 2, 0));
App_WrCoCmd_Buffer(phost, END());
App_WrCoCmd_Buffer(phost, RESTORE_CONTEXT());
//reset the transformation matrix because its not part of the context, RESTORE_CONTEXT() command will not revert the command.
Gpu_CoCmd_LoadIdentity(phost);
Gpu_CoCmd_SetMatrix(phost);
App_WrCoCmd_Buffer(phost, COLOR_RGB(255, 0, 0));
Gpu_CoCmd_Text(phost, (DispWidth / 2), 50, 31, OPT_CENTER, "DXT1: 8KB.");
Gpu_CoCmd_Text(phost, (DispWidth / 2), 80, 31, OPT_CENTER,
"Original: 32KB.");
App_WrCoCmd_Buffer(phost, DISPLAY());
//swap the current display list with the new display list
Gpu_CoCmd_Swap(phost);
//write to the FT800 FIFO command buffer - bitmap will appear after this command
App_Flush_Co_Buffer(phost);
Gpu_Hal_WaitCmdfifo_empty(phost);
Gpu_Hal_Sleep(3000);
}ft_void_t Ft_App_Flush_Co_Buffer(Ft_Gpu_Hal_Context_t *phost)
{
#ifdef BUFFER_OPTIMIZATION
if (Ft_CmdBuffer_Index > 0)
Ft_Gpu_Hal_WrCmdBuf(phost,Ft_CmdBuffer,Ft_CmdBuffer_Index);
#endif
Ft_CmdBuffer_Index = 0;
}