Paul Staron
Chinese module HY-1.8 SPI TFT lcd Display library.
Dependents: KL25Z_DCF77_HY-1_8LCD
Fork of
HY-1_8TFT_ST7735
by 
Paul Staron
Revision 2:26149011665e, committed 2015-10-11
- Comitter:
- star297
- Date:
- Sun Oct 11 21:30:26 2015 +0000
- Parent:
- 1:ef70eaf15b18
- Commit message:
- updated BurstSPI
Changed in this revision
diff -r ef70eaf15b18 -r 26149011665e BurstSPI.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BurstSPI.lib Sun Oct 11 21:30:26 2015 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/Sissors/code/BurstSPI/#bc069279eb37
diff -r ef70eaf15b18 -r 26149011665e GraphicsDisplay.cpp
--- a/GraphicsDisplay.cpp Fri Apr 19 20:46:47 2013 +0000
+++ b/GraphicsDisplay.cpp Sun Oct 11 21:30:26 2015 +0000
@@ -110,7 +110,7 @@
blitbit(column * 8, row * 8, 8, 8, (char*)&(FONT8x8[value - 0x1F][0]));
}
-void GraphicsDisplay::window(int x, int y, int w, int h) {
+void GraphicsDisplay::gwindow(int x, int y, int w, int h) {
// current pixel location
_x = x;
_y = y;
@@ -136,7 +136,7 @@
}
void GraphicsDisplay::fill(int x, int y, int w, int h, int colour) {
- window(x, y, w, h);
+ gwindow(x, y, w, h);
for(int i=0; i<w*h; i++) {
putp(colour);
}
@@ -147,14 +147,14 @@
}
void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour) {
- window(x, y, w, h);
+ gwindow(x, y, w, h);
for(int i=0; i<w*h; i++) {
putp(colour[i]);
}
}
void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour) {
- window(x, y, w, h);
+ gwindow(x, y, w, h);
for(int i = 0; i < w*h; i++) {
char byte = colour[i >> 3];
int offset = i & 0x7;
diff -r ef70eaf15b18 -r 26149011665e GraphicsDisplay.h
--- a/GraphicsDisplay.h Fri Apr 19 20:46:47 2013 +0000
+++ b/GraphicsDisplay.h Sun Oct 11 21:30:26 2015 +0000
@@ -15,7 +15,7 @@
virtual int width() = 0;
virtual int height() = 0;
- virtual void window(int x, int y, int w, int h);
+ virtual void gwindow(int x, int y, int w, int h);
virtual void putp(int colour);
virtual void cls();
diff -r ef70eaf15b18 -r 26149011665e ST7735_TFT.cpp
--- a/ST7735_TFT.cpp Fri Apr 19 20:46:47 2013 +0000
+++ b/ST7735_TFT.cpp Sun Oct 11 21:30:26 2015 +0000
@@ -4,10 +4,10 @@
#include "ST7735_TFT.h"
#include "mbed.h"
-#define BPP 8 // Bits per pixel
+#define BPP 16 // Bits per pixel
ST7735_TFT::ST7735_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName rs, PinName reset, const char *name)
- : _spi(mosi, miso, sclk), _cs(cs), _rs(rs), _reset(reset),GraphicsDisplay(name)
+ : GraphicsDisplay(name),_spi(mosi, miso, sclk), _cs(cs), _rs(rs), _reset(reset)
{
tft_reset();
orientation = 2;
@@ -128,7 +128,7 @@
void ST7735_TFT::tft_reset() {
// init SPI
_spi.format(8,3); // 8 bit spi mode 3
- _spi.frequency(16000000); // 16Mhz SPI clock ... 15Mhz is maximum for display, but it seems to work
+ _spi.frequency(15000000); // 16Mhz SPI clock ... 15Mhz is maximum for display, but it seems to work
_cs = 0;
_reset = 1; // reset
wait_ms(10);
@@ -272,8 +272,8 @@
_rs = 1;
_cs = 0;
_spi.write(color);
- _spi.write(color>>8);
- _cs = 1;
+ _spi.write(color>>8);
+ _cs = 1;
}
void ST7735_TFT::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h) {
wr_cmd(ST7735_CASET); // column addr set
@@ -297,9 +297,15 @@
WindowMax();
wr_dat_start();
for (i = 0; i < ( (width()) * (height())); i++) {
- _spi.write(_background);
- _spi.write(_background>>8);
+
+ //_spi.write(_background>>8);
+ //_spi.write(_background);
+
+ _spi.fastWrite(_background>>8);
+ _spi.fastWrite(_background);
+
}
+ _spi.clearRX();
wr_dat_stop();
}
void ST7735_TFT::circle(int x0, int y0, int r, int color) {
@@ -408,9 +414,12 @@
wr_cmd(0x2C);
wr_dat_start();
for (int x=0; x<w; x++) {
- _spi.write(color);
- _spi.write(color >> 8);
+ //_spi.write(color);
+ //_spi.write(color >> 8);
+ _spi.fastWrite(color>>8);
+ _spi.fastWrite(color);
}
+ _spi.clearRX();
wr_dat_stop();
return;
}
@@ -421,9 +430,12 @@
wr_cmd(0x2C);
wr_dat_start();
for (int y=0; y<h; y++) {
- _spi.write(color);
- _spi.write(color >> 8);
+ //_spi.write(color);
+ //_spi.write(color >> 8);
+ _spi.fastWrite(color>>8);
+ _spi.fastWrite(color);
}
+ _spi.clearRX();
wr_dat_stop();
return;
}
@@ -509,9 +521,14 @@
wr_cmd(0x2C);
wr_dat_start();
for (int p=0; p<pixel; p++) {
- _spi.write(color);
- _spi.write(color >> 8);
+ //_spi.write(color);
+ //_spi.write(color >> 8);
+ _spi.fastWrite(color>>8);
+ _spi.fastWrite(color);
+
+
}
+ _spi.clearRX();
wr_dat_stop();
return;
}
@@ -563,15 +580,22 @@
for (i=0; i<hor; i++) { // horz line
z = sign[bpl * i + ((j & 0xF8) >> 3)+1];
b = 1 << (j & 0x07);
- if (( z & b ) == 0x00) {
- _spi.write(_background);
- _spi.write(_background>>8);
- } else {
- _spi.write(_foreground);
- _spi.write(_foreground>>8);
+ if (( z & b ) == 0x00) {
+ //_spi.write(_background>>8);
+ //_spi.write(_background);
+ _spi.fastWrite(_background>>8);
+ _spi.fastWrite(_background);
+
+ } else {
+ // _spi.write(_foreground>>8);
+ // _spi.write(_foreground);
+ _spi.fastWrite(_foreground>>8);
+ _spi.fastWrite(_foreground);
+
}
}
}
+ _spi.clearRX();
wr_dat_stop();
if ((w + 2) < hor) { // x offset to next char
char_x += w + 2;
@@ -588,11 +612,14 @@
wr_dat_start();
for (j = 0; j < h; j++) { //Lines
for (i = 0; i < w; i++) { // copy pixel data to TFT
- _spi.write(*bitmap_ptr); // one line
- _spi.write(*bitmap_ptr >> 8);
+ //_spi.write(*bitmap_ptr); // one line
+ //_spi.write(*bitmap_ptr >> 8);
+ _spi.fastWrite(*bitmap_ptr);
+ _spi.fastWrite(*bitmap_ptr >> 8);
bitmap_ptr++;
}
}
+ _spi.clearRX();
wr_dat_stop();
}
int ST7735_TFT::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP) {
@@ -657,10 +684,13 @@
fseek(Image, off ,SEEK_SET);
fread(line,1,PixelWidth * 2,Image); // read a line - slow !
for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
- _spi.write(line[i]); // one 16 bit pixel
- _spi.write(line[i]>>8);
+ //_spi.write(line[i]); // 2 x 8 bit pixel
+ //_spi.write(line[i]>>8);
+ _spi.fastWrite(line[i]);
+ _spi.fastWrite(line[i]>>8);
}
}
+ _spi.clearRX();
wr_dat_stop();
free (line);
fclose(Image);
diff -r ef70eaf15b18 -r 26149011665e ST7735_TFT.h
--- a/ST7735_TFT.h Fri Apr 19 20:46:47 2013 +0000
+++ b/ST7735_TFT.h Sun Oct 11 21:30:26 2015 +0000
@@ -5,6 +5,7 @@
#include "mbed.h"
#include "GraphicsDisplay.h"
+#include "BurstSPI.h"
#define RGB(r,g,b) (((r&0xF8)<<8)|((g&0xFC)<<3)|((b&0xF8)>>3)) //5 red | 6 green | 5 blue
@@ -56,27 +57,33 @@
#define ST7735_GMCTRP1 0xE0
#define ST7735_GMCTRN1 0xE1
-/* some RGB color definitions RED BLUE GREEN */
-#define Black 0x0000 /* 0, 0, 0 */
-#define Navy 0x000F /* 0, 0, 128 */
-#define DarkGreen 0x03E0 /* 0, 128, 0 */
-#define DarkCyan 0x03EF /* 0, 128, 128 */
-#define Maroon 0x7800 /* 128, 0, 0 */
-#define Purple 0x780F /* 128, 0, 128 */
-#define Olive 0x7BE0 /* 128, 128, 0 */
-#define LightGrey 0xC618 /* 192, 192, 192 */
-#define DarkGrey 0x7BEF /* 128, 128, 128 */
-#define Green 0x002F /* 0, 0, 255 */
-#define Blue 0x07E0 /* 0, 255, 0 */
-#define Cyan 0x07FF /* 0, 255, 255 */
-#define Red 0xFF00 /* 255, 0, 0 */
-#define Yellow 0xFF1F /* 255, 0, 255 */
-#define Magenta 0xFFE0 /* 255, 255, 0 */
-#define White 0xFFFF /* 255, 255, 255 */
-#define Orange 0xFD20 /* 255, 165, 0 */
-#define GreenYellow 0xAFE5 /* 173, 255, 47 */
-#define LightBlue 0x04FF
+// some RGB color definitions RED GREEN BLUE
+#define Black 0x0000 // 0, 0, 0
+#define Navy 0x8000 // 0, 0, 128
+#define DarkGreen 0x0400 // 0, 128, 0
+#define DarkCyan 0x8400 // 0, 128, 128
+#define Maroon 0x0010 // 128, 0, 0
+#define Purple 0x8010 // 128, 0, 128
+#define Olive 0x0410 // 128, 128, 0
+#define LightGrey 0xC618 // 192, 192, 192
+#define DarkGrey 0x7BEF // 128, 128, 128
+#define Red 0x001F // 255, 0, 0
+#define Green 0x07E0 // 0, 255, 0
+#define Yellow 0x07FF // 255, 255, 0
+#define Blue 0xF800 // 0, 0, 255
+#define Magenta 0xF81F // 255, 0, 255
+#define Cyan 0xFFE0 // 0, 255, 255
+#define White 0xFFFF // 255, 255, 255
+#define Orange 0x053F // 255, 165, 0
+#define GreenYellow 0x2FF5 // 173, 255, 47
+
+ /* Use this to Calculate and define any colour
+
+ #define RGB565CONVERT(red, green, blue) (uint16_t)( (( blue >> 3 ) << 11 ) | (( green >> 2 ) << 5 ) | ( red >> 3 ))
+ lcd.printf("%4X ",RGB565CONVERT(red value 0-255,green value 0-255,blue value 0-255));
+ */
+
class ST7735_TFT : public GraphicsDisplay {
public:
@@ -288,7 +295,8 @@
*/
void set_orientation(unsigned int o);
- SPI _spi;
+ //SPI _spi;
+ BurstSPI _spi;
DigitalOut _cs;
DigitalOut _rs;
DigitalOut _reset;