Alexandre Brehmer
Modifié pour fonctionner avec les écran arduino. Ecran surplaque blanche, dos bleu, au dimensions de l'arduino esplora
Fork of
ST7735_TFT
by 
Jonne Valola
Revision 2:b9c08958fef9, committed 2013-12-06
- Comitter:
- alex_asi_elec
- Date:
- Fri Dec 06 21:39:29 2013 +0000
- Parent:
- 1:967235e6fd48
- Commit message:
- Fonctionne sur ?cran arduino (adafruit)
Changed in this revision
--- a/ST7735_TFT.cpp Sun Dec 11 21:18:21 2011 +0000
+++ b/ST7735_TFT.cpp Fri Dec 06 21:39:29 2013 +0000
@@ -21,25 +21,168 @@
#include "ST7735_TFT.h"
#include "mbed.h"
-#define BPP 16 // Bits per pixel
+#define BPP 16 // Bits per pixel
+#define DELAY 0x80
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) {
- tft_reset();
+ Gtft_reset();
orientation = 2;
char_x = 0;
}
+void ST7735_TFT::Gtft_reset() {
+ static unsigned short driverCode;
+
+ // init SPI
+ _spi.format(8,3); // 8 bit spi mode 3
+ _spi.frequency(4000000); // 16Mhz SPI clock ... 15Mhz is maximum for display, but it seems to work
+
+ // reset exactly like in Arduino version
+ _cs = 0;
+ _reset = 1; // reset
+ wait_ms(500);
+ _reset = 0; // reset
+ wait_ms(500);
+ _reset = 1; // reset
+ wait_ms(500);
+
+ /* Start Initial Sequence ----------------------------------------------------*/
+ wr_cmd(ST7735_SWRESET); /* SW Reset */
+ wait_ms(150);
+ wr_cmd(ST7735_SLPOUT); /* Out of sleepmode */
+ wait_ms(500);
+
+ wr_cmd(ST7735_FRMCTR1); /* Frame rate in normal mode */
+ // wr_dat(0x02);
+ wr_dat(0x0B);
+ wr_dat(0x14);
+
+ wr_cmd(0xC0); /* VRH1 */
+ // wr_dat(0x02);
+ wr_dat(0x08);
+ wr_dat(0x00);
+
+ wr_cmd(0xC1); /* BT */
+ //wr_dat(0x01);
+ wr_dat(0x05);
+
+ wr_cmd(0xC5); /* VHM */
+ //wr_dat(0x02);
+ wr_dat(0x41);
+ wr_dat(0x30);
+
+ wr_cmd(0xC7); // lcd mode
+ //wr_dat(0x01);
+ wr_dat(0x0C1);
+
+ wr_cmd(0xEC); // POWER CONTROL 1
+ //wr_dat(0x01);
+ wr_dat(0x1B);
+
+ wr_cmd(0x3A); // color format
+ //wr_dat(0x01 + DELAY);
+ wr_dat(0x55);
+ wait_ms(100);
+
+ wr_cmd(0x2A); // colonne addr
+ // wr_dat(0x04);
+ wr_dat(0x00);
+ wr_dat(0x00);
+ wr_dat(0x00);
+ wr_dat(0x7F);
+
+ wr_cmd(0x2B); // page addr
+ // wr_dat(0x04);
+ wr_dat(0x00);
+ wr_dat(0x00);
+ wr_dat(0x00);
+ wr_dat(0x9F);
+
+ wr_cmd(0x36); // scanning direction
+ //wr_dat(0x01);
+ wr_dat(0xC8);
+
+ wr_cmd(0xB7); // source output direction
+ // wr_dat(0x01);
+ wr_dat(0x00);
+
+ wr_cmd(0xF2); // enable gama bit
+ // wr_dat(0x01);
+ wr_dat(0x00);
+
+ wr_cmd(0xE0); // magic
+ // wr_dat(0x15 + DELAY);
+ wr_dat(0x28);
+ wr_dat(0x24);
+ wr_dat(0x22);
+ wr_dat(0x31);
+ wr_dat(0x2B);
+ wr_dat(0x0E);
+ wr_dat(0x53);
+ wr_dat(0xA5);
+ wr_dat(0x42);
+ wr_dat(0x16);
+ wr_dat(0x18);
+ wr_dat(0x12);
+ wr_dat(0x1A);
+ wr_dat(0x14);
+ wr_dat(0x03);
+ wait_ms(50);
+
+ wr_cmd(0xE1); // more magic
+ // wr_dat(0x15 + DELAY);
+ wr_dat(0x17);
+ wr_dat(0x1B);
+ wr_dat(0x1D);
+ wr_dat(0x0E);
+ wr_dat(0x14);
+ wr_dat(0x11);
+ wr_dat(0x2C);
+ wr_dat(0xA5);
+ wr_dat(0x3D);
+ wr_dat(0x09);
+ wr_dat(0x27);
+ wr_dat(0x2D);
+ wr_dat(0x25);
+ wr_dat(0x2B);
+ wr_dat(0x3C);
+ wait_ms(50);
+
+ wr_cmd(ST7735_NORON); // Normal ON
+ wr_dat(DELAY);
+ wait_ms(10);
+
+ wr_cmd(ST7735_DISPON); // Main screen ON
+ wr_dat(DELAY);
+ wait_ms(500);
+
+ switch (orientation) {
+ case 0:
+ wr_reg(0xC8, 0x0008);
+ break;
+ case 1:
+ wr_reg(0xC8, 0x0068);
+ break;
+ case 2:
+ wr_reg(0xC8, 0x00C8);
+ break;
+ case 3:
+ wr_reg(0xC8, 0x00A8);
+ break;
+ }
+ WindowMax ();
+}
int ST7735_TFT::width() {
- if (orientation == 0 || orientation == 2) return 128;
- else return 160;
+ if (orientation == 0 || orientation == 2) return 250;//128
+ else return 250;
}
int ST7735_TFT::height() {
- if (orientation == 0 || orientation == 2) return 160;
- else return 128;
+ if (orientation == 0 || orientation == 2) return 250;
+ else return 250;
}
@@ -249,7 +392,7 @@
wr_dat(0x00); //
wr_dat(0x00); // xstart = 0
wr_dat(0x00); //
- wr_dat(0x7F); // xend = 127
+ wr_dat(0x7F); // xend = 127 7F
wr_cmd(ST7735_RASET); // ROW ADDR SET
wr_dat(0x00); //
@@ -319,7 +462,7 @@
void ST7735_TFT::pixel(int x, int y, int color) {
- if ((x >= width()) || (y >= height())) return;
+ //if ((x >= width()) || (y >= height())) return;******************************************!!!!!!!!!!!!!*****
window(x,y,x+1,y+1);
--- a/ST7735_TFT.h Sun Dec 11 21:18:21 2011 +0000
+++ b/ST7735_TFT.h Fri Dec 06 21:39:29 2013 +0000
@@ -26,6 +26,12 @@
#define RGB(r,g,b) (((r&0xF8)<<8)|((g&0xFC)<<3)|((b&0xF8)>>3)) //5 red | 6 green | 5 blue
/*define ST7735 Commands */
+#define INITR_GREENTAB 0x0
+#define INITR_REDTAB 0x1
+#define INITR_BLACKTAB 0x2
+
+#define ST7735_TFTWIDTH 128
+#define ST7735_TFTHEIGHT 160
#define ST7735_NOP 0x0
#define ST7735_SWRESET 0x01
@@ -348,6 +354,11 @@
*
*/
void tft_reset();
+
+ /** Init the ST7735 controller TOO BUT BETTER!
+ *
+ */
+ void Gtft_reset();
/** Write data to the LCD controller
*
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ST7735_TFT.lib Fri Dec 06 21:39:29 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/smultron1977/code/ST7735_TFT/#967235e6fd48