bool I2C::ReceiveDMA (void* data_ptr, uint32_t data_size)
{
EnableDMA(true);
EnableAutoNACK(true);
DMA1* dma1 = DMA1::GetInstance();
if (!dma1->IsClockEnabled())
{
dma1->EnablePeripheralClock(true);
}
DMA_Channel* dmaCh = dma1->GetChannel(_dmaRxChannel);
dmaCh->SetPeripheralAddress ((uint32_t)_pI2C_DR);
dmaCh->SetMemoryAddress((uint32_t)data_ptr);
dmaCh->SetDirection_PeripheralToMemory();
dmaCh->SetMemorySize_8bits();
dmaCh->SetPeripheralSize_8bits();
dmaCh->SetNumberOfData(data_size);
dmaCh->SetMemoryIncrementMode();
dmaCh->SetPriorityHigh();
dmaCh->EnableChannel(true);
bool rc = true;
while (!dma1->IsTransferComplete(dmaCh))
{
if (dma1->IsTransferError(dmaCh))
{
++_errorCount;
++_errorDMARX;
rc = false;
dma1->ClearTransferError(dmaCh);
break;
}
if (IsError())
{
++_errorCount;
rc = false;
break;
}
}
SendStop(true);
dmaCh->EnableChannel(false);
dma1->ClearTransferComplete(dmaCh);
EnableDMA(false);
EnableAutoNACK(false);
return rc;
}
static void Init() {
EnableDMA(DMAF_BLITTER);
BitmapClear(screen);
cp = NewCopList(100);
CopInit(cp);
CopSetupGfxSimple(cp, MODE_LORES, DEPTH, X(0), Y(0), WIDTH, HEIGHT);
CopSetupBitplanes(cp, bplptr, screen, DEPTH);
CopLoadPal(cp, palette, 0);
CopEnd(cp);
CopListActivate(cp);
EnableDMA(DMAF_RASTER);
}
bool I2C::SendDMA (void* data_ptr, uint32_t data_size)
{
EnableDMA(true);
DMA1* dma1 = DMA1::GetInstance();
if (!dma1->IsClockEnabled())
{
dma1->EnablePeripheralClock(true);
}
DMA_Channel* dmaCh = dma1->GetChannel(_dmaTxChannel);
dmaCh->SetPeripheralAddress ((uint32_t)_pI2C_DR);
dmaCh->SetMemoryAddress((uint32_t)data_ptr);
dmaCh->SetDirection_MemoryToPeripheral();
dmaCh->SetMemorySize_8bits();
dmaCh->SetPeripheralSize_8bits();
dmaCh->SetNumberOfData(data_size);
dmaCh->SetMemoryIncrementMode();
dmaCh->SetPriorityHigh();
dmaCh->EnableChannel(true);
bool rc = true;
while (!dma1->IsTransferComplete(dmaCh))
{
if (dma1->IsTransferError(dmaCh))
{
rc = false;
++_errorDMATX;
++_errorCount;
dma1->ClearTransferError(dmaCh);
break;
}
}
if (!WaitStatus(I2C::MASTER_EV8_2, true)) //TRA, BUSY, MSL, TXE and BTF
rc = false;
SendStop(true);
dmaCh->EnableChannel(false);
dma1->ClearTransferComplete(dmaCh);
EnableDMA(false);
return rc;
}
static void Init() {
CopListActivate(cp);
EnableDMA(DMAF_BLITTER | DMAF_RASTER | DMAF_BLITHOG);
{
WORD i;
LONG lines = ReadLineCounter();
#if CPULINE == 1
CpuLineSetup(screen, 0);
#else
BlitterLineSetup(screen, 0, LINE_OR|LINE_SOLID);
#endif
for (i = 0; i < screen->width; i += 2) {
#if CPULINE == 1
CpuLine(i, 0, screen->width - 1 - i, screen->height - 1);
#else
BlitterLine(i, 0, screen->width - 1 - i, screen->height - 1);
#endif
}
for (i = 0; i < screen->height; i += 2) {
#if CPULINE == 1
CpuLine(0, i, screen->width - 1, screen->height - 1 - i);
#else
BlitterLine(0, i, screen->width - 1, screen->height - 1 - i);
#endif
}
Log("lines: %ld\n", ReadLineCounter() - lines);
}
}
int video_init(void *dst)
{
#ifdef CONFIG_MK_BF527_EZKIT_REV_2_1
lq035q1_control(LQ035_SHUT_CTL, LQ035_ON);
lq035q1_control(LQ035_DRIVER_OUTPUT_CTL, (CONFIG_LQ035Q1_LCD_MODE &
LQ035_DRIVER_OUTPUT_MASK) | LQ035_DRIVER_OUTPUT_DEFAULT);
#endif
Init_Ports();
Init_DMA(dst);
EnableDMA();
InitTIMER0();
InitTIMER1();
Init_PPI();
EnablePPI();
#ifdef CONFIG_MK_BF527_EZKIT_REV_2_1
EnableTIMER12();
#else
/* Frame sync 2 (VS) needs to start at least one PPI clk earlier */
EnableTIMER1();
/* Add Some Delay ... */
SSYNC();
SSYNC();
SSYNC();
SSYNC();
/* now start frame sync 1 */
EnableTIMER0();
#endif
return 0;
}
int video_init(void *dst)
{
Init_Ports();
Init_DMA(dst);
EnableDMA();
Init_PPI();
EnablePPI();
return 0;
}
static void Init() {
WORD w = bitmap->width;
WORD h = bitmap->height;
WORD xs = X((320 - w) / 2);
WORD ys = Y((256 - h) / 2);
{
LONG lines = ReadLineCounter();
BitmapUnpack(bitmap, BM_DISPLAYABLE);
lines = ReadLineCounter() - lines;
Log("Bitmap unpacking took %ld raster lines.\n", (LONG)lines);
}
CopInit(cp);
CopSetupGfxSimple(cp, MODE_LORES, bitmap->depth, xs, ys, w, h);
CopSetupBitplanes(cp, NULL, bitmap, bitmap->depth);
CopLoadPal(cp, bitmap->palette, 0);
CopEnd(cp);
CopListActivate(cp);
EnableDMA(DMAF_RASTER);
}
static void Init() {
{
LONG lines = ReadLineCounter();
pixmap = PixmapFromPNG(image, MEMF_PUBLIC);
lines = ReadLineCounter() - lines;
Log("Png decoding took %ld raster lines.\n", (LONG)lines);
}
bitmap = NewBitmap(pixmap->width, pixmap->height, 4);
bitmap->palette = PaletteFromPNG(image);
{
LONG lines = ReadLineCounter();
c2p_1x1_4(pixmap->pixels, bitmap->planes[0],
pixmap->width, pixmap->height, bitmap->bplSize);
lines = ReadLineCounter() - lines;
Log("Chunky to planar took %ld raster lines.\n", (LONG)lines);
}
cp = NewCopList(100);
{
WORD w = bitmap->width;
WORD h = bitmap->height;
WORD xs = X((320 - w) / 2);
WORD ys = Y((256 - h) / 2);
CopInit(cp);
CopSetupGfxSimple(cp, MODE_LORES, bitmap->depth, xs, ys, w, h);
CopSetupBitplanes(cp, NULL, bitmap, bitmap->depth);
CopLoadPal(cp, bitmap->palette, 0);
CopEnd(cp);
CopListActivate(cp);
EnableDMA(DMAF_RASTER);
}
}
int video_init(void *dst)
{
Init_Ports();
Init_DMA(dst);
EnableDMA();
InitTIMER0();
InitTIMER1();
Init_PPI();
EnablePPI();
/* Frame sync 2 (VS) needs to start at least one PPI clk earlier */
EnableTIMER1();
/* Add Some Delay ... */
SSYNC();
SSYNC();
SSYNC();
SSYNC();
/* now start frame sync 1 */
EnableTIMER0();
return 0;
}
static void Init() {
CopListActivate(cp);
EnableDMA(DMAF_RASTER | DMAF_SPRITE);
}