Peter Drescher
Library to control a QVGA TFT connected to SPI. You can use printf to print text The lib can handle different fonts, draw lines, circles, rect and bmp
Dependents: TFT_Test1 SourceCodePro31-SB Mandelbrot Mindwave-screen ... more
See http://mbed.org/cookbook/SPI-driven-QVGA-TFT for details.
Diff: SPI_TFT.cpp
- Revision:
- 14:ea3206e8e3bd
- Parent:
- 13:2c91cb947161
- Child:
- 15:f5772cffc2b2
--- a/SPI_TFT.cpp Tue Mar 05 14:50:51 2013 +0000
+++ b/SPI_TFT.cpp Tue Mar 05 21:48:14 2013 +0000
@@ -30,8 +30,8 @@
#define BPP 16 // Bits per pixel
#if defined TARGET_LPC1768
-#define USE_DMA // we use dma to speed up
-#define NO_MBED_LIB // we write direct to the SPI register to speed up
+#define USE_DMA // we use dma to speed up
+#define NO_MBED_LIB // we write direct to the SPI register to speed up
#endif
#if defined NO_DMA // if LPC1768 user want no DMA
@@ -47,10 +47,16 @@
{
orientation = 0;
char_x = 0;
-#if defined TARGET_LPC1768
- if (mosi == p11 || mosi == P0_18) spi_port = 0; // we must know the used SPI port to setup the DMA
- else spi_port = 1;
-#endif
+ #if defined TARGET_LPC1768
+ if (mosi == p11 || mosi == P0_18){
+ spi_port = 0; // we must know the used SPI port to setup the DMA
+ fprintf(stderr, "spi_port 0 \n\r");
+ }
+ else {
+ spi_port = 1;
+ fprintf(stderr, "spi_port 1 \n\r");
+ }
+ #endif
tft_reset();
}
@@ -94,27 +100,29 @@
void SPI_TFT::wr_cmd(unsigned char cmd)
{
_cs = 0;
-#if defined NO_MBED_LIB
- if (spi_port == 0) { // TFT on SSP0
- LPC_SSP0->DR = spi_d;
- // we have to wait for SPI IDLE to set CS back to high
- do {
- } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
- } else {
- LPC_SSP1->DR = spi_d;
- do {
- } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
- }
-#else
-#if defined TARGET_KL25Z // 8 Bit SPI
- _spi.write(0x70);
- _spi.write(cmd);
-#else // 16 Bit SPI
- unsigned short spi_d;
- spi_d = 0x7000 | cmd ;
- _spi.write(spi_d); // mbed lib
-#endif
-#endif
+ #if defined NO_MBED_LIB
+ unsigned short spi_d;
+ spi_d = 0x7000 | cmd ;
+ if (spi_port == 0) { // TFT on SSP0
+ LPC_SSP0->DR = spi_d;
+ // we have to wait for SPI IDLE to set CS back to high
+ do {
+ } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
+ } else {
+ LPC_SSP1->DR = spi_d;
+ do {
+ } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
+ }
+ #else // use mbed lib
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ _spi.write(0x70);
+ _spi.write(cmd);
+ #else // 16 Bit SPI
+ unsigned short spi_d;
+ spi_d = 0x7000 | cmd ;
+ _spi.write(spi_d); // mbed lib
+ #endif
+ #endif
_cs = 1;
}
@@ -122,29 +130,30 @@
// write data to tft register
void SPI_TFT::wr_dat(unsigned char dat)
{
-
- _cs = 0;
-#if defined NO_MBED_LIB
- if (spi_port == 0) { // TFT on SSP0
- LPC_SSP0->DR = spi_d;
- // we have to wait for SPI IDLE to set CS back to high
- do {
- } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
- } else {
- LPC_SSP1->DR = spi_d;
- do {
- } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
- }
-#else
-#if defined TARGET_KL25Z // 8 Bit SPI
- _spi.write(0x72);
- _spi.write(dat);
-#else // 16 Bit SPI
- unsigned short spi_d;
- spi_d = 0x7200 | dat;
- _spi.write(spi_d); // mbed lib
-#endif
-#endif
+ _cs = 0;
+ #if defined NO_MBED_LIB
+ unsigned short spi_d;
+ spi_d = 0x7200 | dat;
+ if (spi_port == 0) { // TFT on SSP0
+ LPC_SSP0->DR = spi_d;
+ // we have to wait for SPI IDLE to set CS back to high
+ do {
+ } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
+ } else {
+ LPC_SSP1->DR = spi_d;
+ do {
+ } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
+ }
+ #else // use mbed lib
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ _spi.write(0x72);
+ _spi.write(dat);
+ #else // 16 Bit SPI
+ unsigned short spi_d;
+ spi_d = 0x7200 | dat;
+ _spi.write(spi_d);
+ #endif
+ #endif
_cs = 1;
}
@@ -152,7 +161,7 @@
// the HX8347-D controller do not use the MISO (SDO) Signal.
// This is a bug - ?
-// A read will return 0 at the moment
+// A read will return 0 at the moment
unsigned short SPI_TFT::rd_dat (void)
{
@@ -182,8 +191,10 @@
{
#if defined TARGET_KL25Z // 8 Bit SPI
_spi.format(8,3);
+ fprintf(stderr, "8 Bit mode\n\r");
#else // 16 Bit SPI
_spi.format(16,3); // 16 bit spi mode 3
+ fprintf(stderr, "16 Bit mode\n\r");
#endif
_spi.frequency(48000000); // 48 Mhz SPI clock
_cs = 1; // cs high
@@ -241,37 +252,39 @@
wr_reg(0x5D,0xCC); //
/* Power + Osc ---------------------------------------------------------------*/
- wr_reg(0x18, 0x0036); /* OSC Control 1 */
- wr_reg(0x19, 0x0001); /* OSC Control 2 */
- wr_reg(0x01, 0x0000); /* Display Mode Control */
- wr_reg(0x1F, 0x0088); /* Power Control 6 */
+ wr_reg(0x18, 0x36); /* OSC Control 1 */
+ wr_reg(0x19, 0x01); /* OSC Control 2 */
+ wr_reg(0x01, 0x00); /* Display Mode Control */
+ wr_reg(0x1F, 0x88); /* Power Control 6 */
wait_ms(5); /* Delay 5 ms */
- wr_reg(0x1F, 0x0080); /* Power Control 6 */
+ wr_reg(0x1F, 0x80); /* Power Control 6 */
+ wait_ms(5); /* Delay 5 ms */
+ wr_reg(0x1F, 0x90); /* Power Control 6 */
wait_ms(5); /* Delay 5 ms */
- wr_reg(0x1F, 0x0090); /* Power Control 6 */
- wait_ms(5); /* Delay 5 ms */
- wr_reg(0x1F, 0x00D0); /* Power Control 6 */
+ wr_reg(0x1F, 0xD0); /* Power Control 6 */
wait_ms(5); /* Delay 5 ms */
- wr_reg(0x17, 0x0005); /* Colmod 16Bit/Pixel */
+ wr_reg(0x17, 0x05); /* Colmod 16Bit/Pixel */
- wr_reg(0x36, 0x0000); /* Panel Characteristic */
- wr_reg(0x28, 0x0038); /* Display Control 3 */
+ wr_reg(0x36, 0x00); /* Panel Characteristic */
+ wr_reg(0x28, 0x38); /* Display Control 3 */
wait_ms(40);
- wr_reg(0x28, 0x003C); /* Display Control 3 */
+ wr_reg(0x28, 0x3C); /* Display Control 3 */
switch (orientation) {
case 0:
- wr_reg(0x16, 0x0008);
- break;
- case 1:
- wr_reg(0x16, 0x0068);
+ wr_reg(0x16, 0x08);
break;
case 2:
- wr_reg(0x16, 0x00C8);
+ wr_reg(0x16, 0xC8);
break;
case 3:
- wr_reg(0x16, 0x00A8);
- break;
+ wr_reg(0x16, 0xA8);
+ break;
+ case 1:
+ default:
+ wr_reg(0x16, 0x68);
+ break;
+
}
#if defined USE_DMA // setup DMA channel 0
LPC_SC->PCONP |= (1UL << 29); // Power up the GPDMA.
@@ -292,35 +305,37 @@
wr_reg(0x06, (y >> 8));
wr_cmd(0x22);
_cs = 0;
-#if defined NO_MBED_LIB
- if (spi_port == 0) { // TFT on SSP0
- LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP0->DR = 0x72; // start Data
- LPC_SSP0->CR0 |= 0x08UL; // set back to 16 bit
- LPC_SSP0->DR = color; // Pixel
- // we have to wait for SPI IDLE to set CS back to high
- do {
- } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
- } else {
- LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP1->DR = 0x72; // start Data
- LPC_SSP1->CR0 |= 0x08UL; // set back to 16 bit
- LPC_SSP1->DR = color;
- // we have to wait for SPI IDLE to set CS back to high
- do {
- } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
- }
-#else
- _spi.format(8,3); // 8 bit Mode 3
- _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
-#if defined TARGET_KL25Z // 8 Bit SPI
- _spi.write(color >> 8);
- _spi.write(color & 0xff);
-#else
- _spi.format(16,3); // switch to 16 bit Mode 3
- _spi.write(color); // Write D0..D15
-#endif
-#endif
+ #if defined NO_MBED_LIB
+ if (spi_port == 0) { // TFT on SSP0
+ LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP0->DR = 0x72; // start Data
+ LPC_SSP0->CR0 |= 0x08UL; // set back to 16 bit
+ LPC_SSP0->DR = color; // Pixel
+ // we have to wait for SPI IDLE to set CS back to high
+ do {
+ } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
+ } else { // TFT on SSP1
+ LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP1->DR = 0x72; // start Data
+ LPC_SSP1->CR0 |= 0x08UL; // set back to 16 bit
+ LPC_SSP1->DR = color;
+ // we have to wait for SPI IDLE to set CS back to high
+ do {
+ } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
+ }
+ #else // use mbed lib
+
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ _spi.write(color >> 8);
+ _spi.write(color & 0xff);
+ #else
+ _spi.format(8,3); // 8 bit Mode 3
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ _spi.format(16,3); // switch to 16 bit Mode 3
+ _spi.write(color); // Write D0..D15
+ #endif
+ #endif
_cs = 1;
}
@@ -347,94 +362,94 @@
// clear screen
void SPI_TFT::cls (void)
{
+ fprintf(stderr, "CLS \n\r");
int pixel = ( width() * height());
-#if defined USE_DMA
- int dma_count;
- int color = _background;
-#endif
+ #if defined USE_DMA
+ int dma_count;
+ int color = _background;
+ #endif
WindowMax();
wr_cmd(0x22);
-#if defined NO_MBED_LIB
-#if defined USE_DMA
- LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
-#endif
- _cs = 0;
- if (spi_port == 0) { // TFT on SSP0
-#if defined USE_DMA
- LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
- /* Enable SSP0 for DMA. */
- LPC_SSP0->DMACR = 0x2;
-#endif
- LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP0->DR = 0x72; // start byte
- LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
- } else {
-#if defined USE_DMA
- LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
- /* Enable SSP1 for DMA. */
- LPC_SSP1->DMACR = 0x2;
-#endif
- LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP1->DR = 0x72; // start Data
- LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
- }
-
-#if defined USE_DMA
- // start DMA
- do {
- if (pixel > 4095) {
- dma_count = 4095;
- pixel = pixel - 4095;
- } else {
- dma_count = pixel;
- pixel = 0;
+ #if defined NO_MBED_LIB
+ #if defined USE_DMA
+ LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
+ #endif
+ _cs = 0;
+ if (spi_port == 0) { // TFT on SSP0
+ #if defined USE_DMA
+ LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
+ /* Enable SSP0 for DMA. */
+ LPC_SSP0->DMACR = 0x2;
+ #endif
+ LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP0->DR = 0x72; // start byte
+ LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
+ } else { // TFT on SSP1
+ #if defined USE_DMA
+ LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
+ /* Enable SSP1 for DMA. */
+ LPC_SSP1->DMACR = 0x2;
+ #endif
+ LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP1->DR = 0x72; // start Data
+ LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
}
- LPC_GPDMA->DMACIntTCClear = 0x1;
- LPC_GPDMA->DMACIntErrClr = 0x1;
- LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
- LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
- LPC_GPDMA->DMACSoftSReq = 0x1; // DMA request
-
- do {
- } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
- } while (pixel > 0);
- if (spi_port == 0) { // TFT on SSP0
- do {
- } while ((0x0010 & LPC_SSP0->SR) == 0x10); // SPI FIFO not empty
- /* disable SSP0 for DMA. */
- LPC_SSP0->DMACR = 0x0;
- } else {
- do {
- } while ((0x0010 & LPC_SSP1->SR) == 0x10); // SPI FIFO not empty
- /* disable SSP1 for DMA. */
- LPC_SSP1->DMACR = 0x0;
- }
-#else // no DMA
- unsigned int i;
- for (i = 0; i < ( width() * height()); i++)
- _spi.write(_background);
-#endif
+ #if defined USE_DMA
+ // start DMA
+ do {
+ if (pixel > 4095) {
+ dma_count = 4095;
+ pixel = pixel - 4095;
+ } else {
+ dma_count = pixel;
+ pixel = 0;
+ }
+ LPC_GPDMA->DMACIntTCClear = 0x1;
+ LPC_GPDMA->DMACIntErrClr = 0x1;
+ LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
+ LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
+ LPC_GPDMA->DMACSoftSReq = 0x1; // DMA request
+ do {
+ } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
+ } while (pixel > 0);
+ if (spi_port == 0) { // TFT on SSP0
+ do {
+ } while ((0x0010 & LPC_SSP0->SR) == 0x10); // SPI FIFO not empty
+ /* disable SSP0 for DMA. */
+ LPC_SSP0->DMACR = 0x0;
+ } else { // TFT on SSP1
+ do {
+ } while ((0x0010 & LPC_SSP1->SR) == 0x10); // SPI FIFO not empty
+ /* disable SSP1 for DMA. */
+ LPC_SSP1->DMACR = 0x0;
+ }
-#else // use mbed lib
- _cs = 0;
-#if defined TARGET_KL25Z // 8 Bit SPI
- _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
- unsigned int i;
- for (i = 0; i < ( width() * height()); i++) {
- _spi.write(_background >> 8);
- _spi.write(_background & 0xff);
- }
-#else // 16 bit SPI
- _spi.format(8,3); // 8 bit Mode 3
- _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
- _spi.format(16,3); // switch back to 16 bit Mode 3
- unsigned int i;
- for (i = 0; i < ( width() * height()); i++)
- _spi.write(_background);
-#endif
-#endif
+ #else // no DMA
+ unsigned int i;
+ for (i = 0; i < ( width() * height()); i++)
+ _spi.write(_background);
+ #endif
+
+ #else // use mbed lib
+ _cs = 0;
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ unsigned int i;
+ for (i = 0; i < ( width() * height()); i++) {
+ _spi.write(_background >> 8);
+ _spi.write(_background & 0xff);
+ }
+ #else // 16 bit SPI
+ _spi.format(8,3); // 8 bit Mode 3
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ _spi.format(16,3); // switch back to 16 bit Mode 3
+ unsigned int i;
+ for (i = 0; i < ( width() * height()); i++)
+ _spi.write(_background);
+ #endif
+ #endif
_cs = 1;
}
@@ -563,65 +578,64 @@
window(x0,y,w,1);
wr_cmd(0x22);
_cs = 0;
-#if defined NO_MBED_LIB
- if (spi_port == 0) { // TFT on SSP0
-#if defined USE_DMA
- LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
- /* Enable SSP0 for DMA. */
- LPC_SSP0->DMACR = 0x2;
-#endif
- LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP0->DR = 0x72; // start Data
- LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
- } else {
-#if defined USE_DMA
- LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
- /* Enable SSP1 for DMA. */
- LPC_SSP1->DMACR = 0x2;
-#endif
- LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP1->DR = 0x72; // start Data
- LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
- }
-#if defined USE_DMA
- LPC_GPDMA->DMACIntTCClear = 0x1;
- LPC_GPDMA->DMACIntErrClr = 0x1;
- LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
- LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
- LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
- LPC_GPDMA->DMACSoftSReq = 0x1; // start DMA
- do {
- } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
- if (spi_port == 0) { // TFT on SSP0
- do {
- } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
- } else {
- do {
- } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
- }
-#else // USE_DMA
- int i;
- for (i=0; i<w; i++) {
- _spi.write(color);
- }
-#endif
-#else // use mbed lib
-#if defined TARGET_KL25Z // 8 Bit SPI
- _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
- for (int j=0; j<w; j++) {
- _spi.write(color >> 8);
- _spi.write(color & 0xff);
- }
-
-#else // 16 Bit SPI
- _spi.format(8,3); // 8 bit Mode 3
- _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
- _spi.format(16,3); // switch back to 16 bit Mode 3
- for (int j=0; j<w; j++) {
- _spi.write(color);
- }
-#endif
-#endif
+ #if defined NO_MBED_LIB
+ if (spi_port == 0) { // TFT on SSP0
+ #if defined USE_DMA
+ LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
+ /* Enable SSP0 for DMA. */
+ LPC_SSP0->DMACR = 0x2;
+ #endif
+ LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP0->DR = 0x72; // start Data
+ LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
+ } else { // TFT on SSP1
+ #if defined USE_DMA
+ LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
+ /* Enable SSP1 for DMA. */
+ LPC_SSP1->DMACR = 0x2;
+ #endif
+ LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP1->DR = 0x72; // start Data
+ LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
+ }
+ #if defined USE_DMA
+ LPC_GPDMA->DMACIntTCClear = 0x1;
+ LPC_GPDMA->DMACIntErrClr = 0x1;
+ LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
+ LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
+ LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
+ LPC_GPDMA->DMACSoftSReq = 0x1; // start DMA
+ do {
+ } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
+ if (spi_port == 0) { // TFT on SSP0
+ do {
+ } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
+ } else { // TFT on SSP1
+ do {
+ } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
+ }
+ #else // no DMA
+ int i;
+ for (i=0; i<w; i++) {
+ _spi.write(color);
+ }
+ #endif
+ #else // use mbed lib
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ for (int j=0; j<w; j++) {
+ _spi.write(color >> 8);
+ _spi.write(color & 0xff);
+ }
+ #else // 16 Bit SPI
+ _spi.format(8,3); // 8 bit Mode 3
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ _spi.format(16,3); // switch back to 16 bit Mode 3
+ for (int j=0; j<w; j++) {
+ _spi.write(color);
+ }
+ #endif
+ #endif
_cs = 1;
WindowMax();
return;
@@ -635,64 +649,64 @@
window(x,y0,1,h);
wr_cmd(0x22);
_cs = 0;
-#if defined NO_MBED_LIB
- if (spi_port == 0) { // TFT on SSP0
-#if defined USE_DMA
- LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
- /* Enable SSP0 for DMA. */
- LPC_SSP0->DMACR = 0x2;
-#endif
- LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP0->DR = 0x72; // start Data
- LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
- } else {
-#if defined USE_DMA
- LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
- /* Enable SSP1 for DMA. */
- LPC_SSP1->DMACR = 0x2;
-#endif
- LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP1->DR = 0x72; // start Data
- LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
- }
-#if defined USE_DMA
- LPC_GPDMA->DMACIntTCClear = 0x1;
- LPC_GPDMA->DMACIntErrClr = 0x1;
- LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
- LPC_GPDMACH0->DMACCControl = h | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
- LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
- LPC_GPDMA->DMACSoftSReq = 0x1;
- do {
- } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
+ #if defined NO_MBED_LIB
+ if (spi_port == 0) { // TFT on SSP0
+ #if defined USE_DMA
+ LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
+ /* Enable SSP0 for DMA. */
+ LPC_SSP0->DMACR = 0x2;
+ #endif
+ LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP0->DR = 0x72; // start Data
+ LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
+ } else { // TFT on SSP1
+ #if defined USE_DMA
+ LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
+ /* Enable SSP1 for DMA. */
+ LPC_SSP1->DMACR = 0x2;
+ #endif
+ LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP1->DR = 0x72; // start Data
+ LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
+ }
+ #if defined USE_DMA
+ LPC_GPDMA->DMACIntTCClear = 0x1;
+ LPC_GPDMA->DMACIntErrClr = 0x1;
+ LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
+ LPC_GPDMACH0->DMACCControl = h | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
+ LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
+ LPC_GPDMA->DMACSoftSReq = 0x1;
+ do {
+ } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
- if (spi_port == 0) { // TFT on SSP0
- do {
- } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
- } else {
- do {
- } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
- }
-#else
- for (int y=0; y<h; y++) {
- _spi.write(color);
- }
-#endif
-#else // use mbed lib
-#if defined TARGET_KL25Z // 8 Bit SPI
- _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
- for (int y=0; y<h; y++) {
- _spi.write(color >> 8);
- _spi.write(color & 0xff);
- }
-#else // 16 bit SPI
- _spi.format(8,3); // 8 bit Mode 3
- _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
- _spi.format(16,3); // switch to 16 bit Mode 3
- for (int y=0; y<h; y++) {
- _spi.write(color);
- }
-#endif
-#endif
+ if (spi_port == 0) { // TFT on SSP0
+ do {
+ } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
+ } else { // TFT on SSP1
+ do {
+ } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
+ }
+ #else // no DMA
+ for (int y=0; y<h; y++) {
+ _spi.write(color);
+ }
+ #endif
+ #else // use mbed lib
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ for (int y=0; y<h; y++) {
+ _spi.write(color >> 8);
+ _spi.write(color & 0xff);
+ }
+ #else // 16 bit SPI
+ _spi.format(8,3); // 8 bit Mode 3
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ _spi.format(16,3); // switch to 16 bit Mode 3
+ for (int y=0; y<h; y++) {
+ _spi.write(color);
+ }
+ #endif
+ #endif
_cs = 1;
WindowMax();
return;
@@ -798,83 +812,83 @@
int h = y1 - y0 + 1;
int w = x1 - x0 + 1;
int pixel = h * w;
-#if defined USE_DMA
- int dma_count;
-#endif
+ #if defined USE_DMA
+ int dma_count;
+ #endif
window(x0,y0,w,h);
wr_cmd(0x22);
_cs = 0;
-#if defined NO_MBED_LIB
- if (spi_port == 0) { // TFT on SSP0
-#if defined USE_DMA
- LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
- /* Enable SSP0 for DMA. */
- LPC_SSP0->DMACR = 0x2;
-#endif
- LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP0->DR = 0x72; // start Data
- LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
- } else {
-#if defined USE_DMA
- LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
- /* Enable SSP1 for DMA. */
- LPC_SSP1->DMACR = 0x2;
-#endif
- LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP1->DR = 0x72; // start Data
- LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
- }
-#if defined USE_DMA
- do {
- if (pixel > 4095) {
- dma_count = 4095;
- pixel = pixel - 4095;
- } else {
- dma_count = pixel;
- pixel = 0;
+ #if defined NO_MBED_LIB
+ if (spi_port == 0) { // TFT on SSP0
+ #if defined USE_DMA
+ LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
+ /* Enable SSP0 for DMA. */
+ LPC_SSP0->DMACR = 0x2;
+ #endif
+ LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP0->DR = 0x72; // start Data
+ LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
+ } else { // TFT on SSP1
+ #if defined USE_DMA
+ LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
+ /* Enable SSP1 for DMA. */
+ LPC_SSP1->DMACR = 0x2;
+ #endif
+ LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP1->DR = 0x72; // start Data
+ LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
}
- LPC_GPDMA->DMACIntTCClear = 0x1;
- LPC_GPDMA->DMACIntErrClr = 0x1;
- LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
- LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
- LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
- LPC_GPDMA->DMACSoftSReq = 0x1;
- do {
- } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
+ #if defined USE_DMA
+ do {
+ if (pixel > 4095) {
+ dma_count = 4095;
+ pixel = pixel - 4095;
+ } else {
+ dma_count = pixel;
+ pixel = 0;
+ }
+ LPC_GPDMA->DMACIntTCClear = 0x1;
+ LPC_GPDMA->DMACIntErrClr = 0x1;
+ LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
+ LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
+ LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
+ LPC_GPDMA->DMACSoftSReq = 0x1;
+ do {
+ } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
- } while (pixel > 0);
-
- if (spi_port == 0) { // TFT on SSP0
- do {
- } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
- } else {
- do {
- } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
- }
+ } while (pixel > 0);
-#else // no DMA
- for (int p=0; p<pixel; p++) {
- _spi.write(color);
- }
-#endif
+ if (spi_port == 0) { // TFT on SSP0
+ do {
+ } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
+ } else { // TFT on SSP1
+ do {
+ } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
+ }
+
+ #else // no DMA
+ for (int p=0; p<pixel; p++) {
+ _spi.write(color);
+ }
+ #endif
-#else // use mbed lib
-#if defined TARGET_KL25Z // 8 Bit SPI
- _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
- for (int p=0; p<pixel; p++) {
- _spi.write(color >> 8);
- _spi.write(color & 0xff);
- }
+ #else // use mbed lib
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ for (int p=0; p<pixel; p++) {
+ _spi.write(color >> 8);
+ _spi.write(color & 0xff);
+ }
-#else // 16 bit SPI
- _spi.format(8,3); // 8 bit Mode 3
- _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
- _spi.format(16,3); // switch to 16 bit Mode 3
- for (int p=0; p<pixel; p++) {
- _spi.write(color);
- }
-#endif
-#endif
+ #else // 16 bit SPI
+ _spi.format(8,3); // 8 bit Mode 3
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ _spi.format(16,3); // switch to 16 bit Mode 3
+ for (int p=0; p<pixel; p++) {
+ _spi.write(color);
+ }
+ #endif
+ #endif
_cs = 1;
WindowMax();
return;
@@ -921,12 +935,12 @@
unsigned int hor,vert,offset,bpl,j,i,b;
unsigned char* zeichen;
unsigned char z,w;
-#if defined USE_DMA
- unsigned int pixel;
- unsigned int p;
- unsigned int dma_count,dma_off;
- uint16_t *buffer;
-#endif
+ #if defined USE_DMA
+ unsigned int pixel;
+ unsigned int p;
+ unsigned int dma_count,dma_off;
+ uint16_t *buffer;
+ #endif
if ((c < 31) || (c > 127)) return; // test char range
@@ -946,131 +960,132 @@
window(char_x, char_y,hor,vert); // char box
wr_cmd(0x22);
-#if defined USE_DMA
- pixel = hor * vert; // calculate buffer size
-
- buffer = (uint16_t *) malloc (2*pixel); // we need a buffer for the 16 bit
- if (buffer == NULL) {
- //led = 1;
- //pc.printf("Malloc error !\n\r");
- return; // error no memory
- }
-
- zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
- w = zeichen[0]; // width of actual char
- p = 0;
- // construct the char into the buffer
- for (j=0; j<vert; j++) { // vert line
- for (i=0; i<hor; i++) { // horz line
- z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
- b = 1 << (j & 0x07);
- if (( z & b ) == 0x00) {
- buffer[p] = _background;
- } else {
- buffer[p] = _foreground;
- }
- p++;
- }
- }
+ #if defined USE_DMA
+ pixel = hor * vert; // calculate buffer size
- // copy the buffer with DMA SPI to display
- dma_off = 0; // offset for DMA transfer
- _cs = 0;
- if (spi_port == 0) { // TFT on SSP0
- LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
- /* Enable SSP0 for DMA. */
- LPC_SSP0->DMACR = 0x2;
- LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP0->DR = 0x72; // start Data
- LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
- } else {
- LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
- /* Enable SSP1 for DMA. */
- LPC_SSP1->DMACR = 0x2;
- LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP1->DR = 0x72; // start Data
- LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
- }
-
- // start DMA
- do {
- if (pixel > 4095) { // this is a giant font !
- dma_count = 4095;
- pixel = pixel - 4095;
- } else {
- dma_count = pixel;
- pixel = 0;
+ buffer = (uint16_t *) malloc (2*pixel); // we need a buffer for the 16 bit
+ if (buffer == NULL) {
+ //led = 1;
+ //pc.printf("Malloc error !\n\r");
+ return; // error no memory
}
- LPC_GPDMA->DMACIntTCClear = 0x1;
- LPC_GPDMA->DMACIntErrClr = 0x1;
- LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + dma_off);
- LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt
- LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
- LPC_GPDMA->DMACSoftSReq = 0x1;
- do {
- } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
- dma_off = dma_off + dma_count;
- } while (pixel > 0);
- free ((uint16_t *) buffer);
-
- if (spi_port == 0) { // TFT on SSP0
- do {
- } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
- /* disable SSP0 for DMA. */
- LPC_SSP0->DMACR = 0x0;
- } else {
- do {
- } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
- /* disable SSP1 for DMA. */
- LPC_SSP1->DMACR = 0x0;
- }
-
-#else // no dma
- _cs = 0;
-#if defined NO_MBED_LIB
- if (spi_port == 0) { // TFT on SSP0
- LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP0->DR = 0x72; // start Data
- LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
- } else {
- LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
- LPC_SSP1->DR = 0x72; // start Data
- LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
- }
-#else // mbed lib
-#if defined TARGET_KL25Z // 8 Bit SPI
- _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
-#else // 16 bit SPI
- _spi.format(8,3); // 8 bit Mode 3
- _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
- _spi.format(16,3); // switch back to 16 bit Mode 3
-#endif
-#endif
- zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
- w = zeichen[0]; // width of actual char
- for (j=0; j<vert; j++) { // vert line
- for (i=0; i<hor; i++) { // horz line
- z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
- b = 1 << (j & 0x07);
- if (( z & b ) == 0x00) {
-#if defined TARGET_KL25Z // 8 Bit SPI
- _spi.write(_background >> 8);
- _spi.write(_background & 0xff);
-#else
- _spi.write(_background);
-#endif
- } else {
-#if defined TARGET_KL25Z // 8 Bit SPI
- _spi.write(_foreground >> 8);
- _spi.write(_foreground & 0xff);
-#else
- _spi.write(_foreground);
-#endif
+ zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
+ w = zeichen[0]; // width of actual char
+ p = 0;
+ // construct the char into the buffer
+ for (j=0; j<vert; j++) { // vert line
+ for (i=0; i<hor; i++) { // horz line
+ z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
+ b = 1 << (j & 0x07);
+ if (( z & b ) == 0x00) {
+ buffer[p] = _background;
+ } else {
+ buffer[p] = _foreground;
+ }
+ p++;
}
}
- }
-#endif // no DMA
+
+ // copy the buffer with DMA SPI to display
+ dma_off = 0; // offset for DMA transfer
+ _cs = 0;
+ if (spi_port == 0) { // TFT on SSP0
+ LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
+ /* Enable SSP0 for DMA. */
+ LPC_SSP0->DMACR = 0x2;
+ LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP0->DR = 0x72; // start Data
+ LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
+ } else { // TFT on SSP1
+ LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
+ /* Enable SSP1 for DMA. */
+ LPC_SSP1->DMACR = 0x2;
+ LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP1->DR = 0x72; // start Data
+ LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
+ }
+
+ // start DMA
+ do {
+ if (pixel > 4095) { // this is a giant font !
+ dma_count = 4095;
+ pixel = pixel - 4095;
+ } else {
+ dma_count = pixel;
+ pixel = 0;
+ }
+ LPC_GPDMA->DMACIntTCClear = 0x1;
+ LPC_GPDMA->DMACIntErrClr = 0x1;
+ LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + dma_off);
+ LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt
+ LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
+ LPC_GPDMA->DMACSoftSReq = 0x1;
+ do {
+ } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
+ dma_off = dma_off + dma_count;
+ } while (pixel > 0);
+
+ free ((uint16_t *) buffer);
+
+ if (spi_port == 0) { // TFT on SSP0
+ do {
+ } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
+ /* disable SSP0 for DMA. */
+ LPC_SSP0->DMACR = 0x0;
+ } else { // TFT on SSP1
+ do {
+ } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
+ /* disable SSP1 for DMA. */
+ LPC_SSP1->DMACR = 0x0;
+ }
+
+ #else // no dma
+ _cs = 0;
+ #if defined NO_MBED_LIB
+ if (spi_port == 0) { // TFT on SSP0
+ LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP0->DR = 0x72; // start Data
+ LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
+ } else { // TFT on SSP1
+ LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
+ LPC_SSP1->DR = 0x72; // start Data
+ LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
+ }
+ #else // mbed lib
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ #else // 16 bit SPI
+ _spi.format(8,3); // 8 bit Mode 3
+ _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
+ _spi.format(16,3); // switch back to 16 bit Mode 3
+ #endif
+ #endif
+
+ zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
+ w = zeichen[0]; // width of actual char
+ for (j=0; j<vert; j++) { // vert line
+ for (i=0; i<hor; i++) { // horz line
+ z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
+ b = 1 << (j & 0x07);
+ if (( z & b ) == 0x00) {
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ _spi.write(_background >> 8);
+ _spi.write(_background & 0xff);
+ #else
+ _spi.write(_background);
+ #endif
+ } else {
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ _spi.write(_foreground >> 8);
+ _spi.write(_foreground & 0xff);
+ #else
+ _spi.write(_foreground);
+ #endif
+ }
+ }
+ }
+ #endif // no DMA
_cs = 1;
WindowMax();
if ((w + 2) < hor) { // x offset to next char
@@ -1085,16 +1100,15 @@
}
-
void SPI_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
{
unsigned int j;
int padd;
-#if defined TARGET_KL25Z // 8 Bit SPI
- unsigned char *bitmap_ptr = (unsigned char *)bitmap;
-#else
- unsigned short *bitmap_ptr = (unsigned short *)bitmap;
-#endif
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ unsigned char *bitmap_ptr = (unsigned char *)bitmap;
+ #else
+ unsigned short *bitmap_ptr = (unsigned short *)bitmap;
+ #endif
// the lines are padded to multiple of 4 bytes in a bitmap
padd = -1;
do {
Repository toolbox
| Export to desktop IDE |
Repository details
| Type: | Library |
|---|---|
| Created: | 20 Sep 2012 |
| Imports: | 1048 |
| Forks: | 3 |
| Commits: | 19 |
| Dependents: | 7 |
| Dependencies: | 0 |
| Followers: | 37 |
| Issues: | 0 |
Components
TFT with HX8347D controller