Imayan chan
aitendo T18003T01-V2,TFT1.8,SPI,FRDM-KL25Z
Dependents: FRDM_SPI18TFT_demo
Fork of
ST7735_TFT
by 
Jonne Valola
Revision 2:047ca9682450, committed 2015-03-19
- Comitter:
- king33jp
- Date:
- Thu Mar 19 13:34:50 2015 +0000
- Parent:
- 1:967235e6fd48
- Commit message:
- aitendo 1.8"TFT,SPI,ST7735B
Changed in this revision
diff -r 967235e6fd48 -r 047ca9682450 GraphicsDisplay.cpp
--- a/GraphicsDisplay.cpp Sun Dec 11 21:18:21 2011 +0000
+++ b/GraphicsDisplay.cpp Thu Mar 19 13:34:50 2015 +0000
@@ -113,7 +113,7 @@
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::window(unsigned int x, unsigned int y, unsigned int w, unsigned int h) {
// current pixel location
_x = x;
_y = y;
diff -r 967235e6fd48 -r 047ca9682450 GraphicsDisplay.h
--- a/GraphicsDisplay.h Sun Dec 11 21:18:21 2011 +0000
+++ b/GraphicsDisplay.h Thu Mar 19 13:34:50 2015 +0000
@@ -26,7 +26,7 @@
virtual int width() = 0;
virtual int height() = 0;
- virtual void window(int x, int y, int w, int h);
+ virtual void window(unsigned int x, unsigned int y, unsigned int w, unsigned int h);
virtual void putp(int colour);
virtual void cls();
diff -r 967235e6fd48 -r 047ca9682450 ST7735B_TFT.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ST7735B_TFT.cpp Thu Mar 19 13:34:50 2015 +0000
@@ -0,0 +1,901 @@
+ /* mbed library for 128*160 pixel display TFT based on ST7735 LCD Controller
+ * ST7735 specific routines (initialization, window addressing, pixel output)
+ * Copyright (c) 2011 Jonne Valola
+ *
+ * WARNING !! WORK IN PROGRESS !!!
+ *
+ * Graphics routines and SPI routines derived work used with permission from:
+ * mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller
+ * Copyright (c) 2011 Peter Drescher - DC2PD
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#include "ST7735B_TFT.h"
+#include "mbed.h"
+
+#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) {
+ tft_reset();
+ orientation = 2;
+ char_x = 0;
+}
+
+
+int ST7735_TFT::width() {
+ if (orientation == 0 || orientation == 2) return 128;
+ else return 160;
+}
+
+
+int ST7735_TFT::height() {
+ if (orientation == 0 || orientation == 2) return 160;
+ else return 128;
+}
+
+
+void ST7735_TFT::set_orientation(unsigned int o) {
+ orientation = o;
+#if 0
+ switch (orientation) {
+ case 0:
+ wr_reg(ST7735_MADCTL, 0x0008);
+ break;
+ case 1:
+ wr_reg(ST7735_MADCTL, 0x0068);
+ break;
+ case 2:
+ wr_reg(ST7735_MADCTL, 0x00C8);
+ break;
+ case 3:
+ wr_reg(ST7735_MADCTL, 0x00A8);
+ break;
+#else
+ switch (orientation) {
+ case 0:
+ wr_reg(ST7735_MADCTL, 0x0000);
+ break;
+ case 1:
+ wr_reg(ST7735_MADCTL, 0x0060);
+ break;
+ case 2:
+ wr_reg(ST7735_MADCTL, 0x00C0);
+ break;
+ case 3:
+ wr_reg(ST7735_MADCTL, 0x00A0);
+ break;
+#endif
+ }
+}
+
+
+
+void ST7735_TFT::wr_cmd(int cmd) {
+ _rs = 0; // rs low, cs low for transmitting command
+ _cs = 0;
+ _spi.write(cmd);
+ _cs = 1;
+}
+
+
+
+void ST7735_TFT::wr_dat(int dat) {
+ _rs = 1; // rs high, cs low for transmitting data
+ _cs = 0;
+ _spi.write(dat);
+ _cs = 1;
+}
+
+
+
+void ST7735_TFT::wr_dat_start(void) {
+ _rs = 1; // rs high, cs low for transmitting data
+ _cs = 0;
+}
+
+
+
+void ST7735_TFT::wr_dat_stop (void) {
+ _cs = 1;
+}
+
+
+
+void ST7735_TFT::wr_dat_only (unsigned short dat) {
+ _spi.write(dat);
+}
+
+
+unsigned short ST7735_TFT::rd_dat (void) {
+ unsigned short val = 0;
+ _cs = 0;
+ _spi.write(0); /* Dummy read 1 */
+ val = _spi.write(0); /* Read D8..D15 */
+ val <<= 8;
+ val |= _spi.write(0); /* Read D0..D7 */
+ _cs = 1;
+ return (val);
+}
+
+void ST7735_TFT::wr_reg (unsigned char reg, unsigned short val) {
+
+ wr_cmd(reg);
+ wr_dat(val);
+}
+
+
+unsigned short ST7735_TFT::rd_reg (unsigned char reg) {
+
+ wr_cmd(reg);
+ return(rd_dat());
+}
+
+void ST7735_TFT::read_area(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *buffer) {
+ // BEWARE !
+ // DOES NOT WORK CORRECTLY YET !!!
+ int val;
+ window(x,y,w,h);
+ wr_cmd(ST7735_RAMRD); // write to RAM
+ _cs = 0;
+ _rs = 1;
+ _spi.write(0); /* Dummy read 1 */
+
+ val = _spi.write(0); /* Read D8..D15 */
+ val <<= 8;
+ val |= _spi.write(0); /* Read D0..D7 */
+ _cs = 1;
+}
+
+int ST7735_TFT::getpixel(unsigned int x, unsigned int y) {
+ // BEWARE !
+ // DOES NOT WORK CORRECTLY YET !!!
+ int val;
+ _spi.format(8,3);
+ wr_cmd(ST7735_CASET); // column addr set
+ wr_dat(0x00);
+ wr_dat(x+2); // XSTART
+ wr_dat(0x00);
+ wr_dat(x+2+2); // XEND
+
+ wr_cmd(ST7735_RASET); // row addr set
+ wr_dat(0x00);
+ wr_dat(y+1); // YSTART
+ wr_dat(0x00);
+ wr_dat(y+1+1); // YEND
+
+ _rs = 0; // rs low, cs low for transmitting command
+ _cs = 0;
+ _spi.write(0x2E);
+ _rs = 1;
+ _spi.write(0x00); /* Dummy read 1 */
+
+ val = _spi.write(0x00); /* Read D8..D15 */
+ val <<= 8;
+ val |= _spi.write(0x00); /* Read D0..D7 */
+
+ _cs = 1;
+ return val;
+}
+
+
+void ST7735_TFT::tft_reset() {
+ static unsigned short driverCode;
+
+ // 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(10000000); // 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(0x01);
+ wr_dat(0x2C);
+ wr_dat(0x2D);
+
+ wr_cmd(ST7735_FRMCTR2); /* Frame rate in idle mode */
+ wr_dat(0x01);
+ wr_dat(0x2C);
+ wr_dat(0x2D);
+
+ wr_cmd(ST7735_FRMCTR3); /* Frame rate in partial mode */
+ wr_dat(0x01);
+ wr_dat(0x2C);
+ wr_dat(0x2D);
+ wr_dat(0x01); // inversion mode settings
+ wr_dat(0x2C);
+ wr_dat(0x2D);
+
+ wr_cmd(ST7735_INVCTR); // Inverted mode off
+ wr_dat(0x07);
+
+ wr_cmd(ST7735_PWCTR1); // POWER CONTROL 1
+ wr_dat(0xA2);
+ wr_dat(0x02); // -4.6V
+ wr_dat(0x84); // AUTO mode
+
+ wr_cmd(ST7735_PWCTR2); // POWER CONTROL 2
+ wr_dat(0xC5); // VGH25 = 2.4C VGSEL =-10 VGH = 3*AVDD
+
+ wr_cmd(ST7735_PWCTR3); // POWER CONTROL 3
+ wr_dat(0x0A); // Opamp current small
+ wr_dat(0x00); // Boost freq
+
+ wr_cmd(ST7735_PWCTR4); // POWER CONTROL 4
+ wr_dat(0x8A); // BCLK/2, Opamp current small / medium low
+ wr_dat(0x2A); //
+
+ wr_cmd(ST7735_PWCTR5); // POWER CONTROL 5
+ wr_dat(0x8A); // BCLK/2, Opamp current small / medium low
+ wr_dat(0xEE); //
+
+ wr_cmd(ST7735_VMCTR1); // POWER CONTROL 6
+ wr_dat(0x0E); //
+
+ wr_cmd(ST7735_INVOFF); // INVOFF
+
+ wr_cmd(ST7735_MADCTL); // ORIENTATION
+// wr_dat(0xC8); //
+ wr_dat(0xC0); // RGB bit=0
+
+ wr_cmd(ST7735_COLMOD); // COLOR MODE
+ wr_dat(0x05); //
+
+ wr_cmd(ST7735_CASET); // COLUMN ADDR SET
+ wr_dat(0x00); //
+ wr_dat(0x00); // xstart = 0
+ wr_dat(0x00); //
+ wr_dat(0x7F); // xend = 127
+
+ wr_cmd(ST7735_RASET); // ROW ADDR SET
+ wr_dat(0x00); //
+ wr_dat(0x00); // ystart = 0
+ wr_dat(0x00); //
+ wr_dat(0x9F); // yend = 159
+
+ /* Gamma settings -----------------------------------------------------------*/
+
+ wr_cmd(0xE0); // GMCTRP1
+ wr_dat(0x02);
+ wr_dat(0x1c);
+ wr_dat(0x07);
+ wr_dat(0x12);
+ wr_dat(0x37);
+ wr_dat(0x32);
+ wr_dat(0x29);
+ wr_dat(0x2d);
+ wr_dat(0x29);
+ wr_dat(0x25);
+ wr_dat(0x2B);
+ wr_dat(0x39);
+ wr_dat(0x00);
+ wr_dat(0x01);
+ wr_dat(0x03);
+ wr_dat(0x10);
+ wr_cmd(0xE1); // GMCTRN1
+ wr_dat(0x03);
+ wr_dat(0x1d);
+ wr_dat(0x07);
+ wr_dat(0x06);
+ wr_dat(0x2E);
+ wr_dat(0x2C);
+ wr_dat(0x29);
+ wr_dat(0x2D);
+ wr_dat(0x2E);
+ wr_dat(0x2E);
+ wr_dat(0x37);
+ wr_dat(0x3F);
+ wr_dat(0x00);
+ wr_dat(0x00);
+ wr_dat(0x02);
+ wr_dat(0x10);
+
+ wr_cmd(ST7735_DISPON); // display ON
+ wait_ms(100);
+
+ wr_cmd(ST7735_NORON); // normal display on
+ wait_ms(10);
+
+ 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 ();
+}
+
+
+void ST7735_TFT::pixel(int x, int y, int color) {
+ if ((x >= width()) || (y >= height())) return;
+
+ window(x,y,x+1,y+1);
+
+ // setup for data
+ _rs = 1;
+ _cs = 0;
+ #if defined TARGET_KL25Z
+ _spi.write(color >> 8);
+ _spi.write(color & 0xFF);
+ #else
+ _spi.format(16,3);
+ _spi.write(color);
+ _spi.format(8,3);
+ #endif
+ _cs = 1;
+}
+
+void ST7735_TFT::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h) {
+#if 0
+ wr_cmd(ST7735_CASET); // column addr set
+ wr_dat(0x00);
+ wr_dat(x+2); // XSTART
+ wr_dat(0x00);
+ wr_dat(x+w+1); // XEND
+
+ wr_cmd(ST7735_RASET); // row addr set
+ wr_dat(0x00);
+ wr_dat(y+1); // YSTART
+ wr_dat(0x00);
+ wr_dat(y+h+1); // YEND
+#else
+ wr_cmd(ST7735_CASET); // column addr set
+ wr_dat(0x00);
+ wr_dat(x); // XSTART
+ wr_dat(0x00);
+ wr_dat(x+w-1); // XEND
+
+ wr_cmd(ST7735_RASET); // row addr set
+ wr_dat(0x00);
+ wr_dat(y); // YSTART
+ wr_dat(0x00);
+ wr_dat(y+h-1); // YEND
+#endif
+ wr_cmd(ST7735_RAMWR); // write to RAM
+}
+
+
+void ST7735_TFT::WindowMax (void) {
+ window (0, 0, width(), height());
+}
+
+
+void ST7735_TFT::cls (void) {
+ unsigned int i;
+ WindowMax();
+ wr_dat_start();
+ #if defined TARGET_KL25Z
+ for (i = 0; i < ( (width()+1) * (height()+3)); i++) {
+ _spi.write(_background >> 8);
+ _spi.write(_background & 0xFF);
+ }
+ #else
+ _spi.format(16,3);
+ for (i = 0; i < ( (width()+1) * (height()+3)); i++) {
+ _spi.write(_background);
+ }
+ _spi.format(8,3);
+ #endif
+ wr_dat_stop();
+}
+
+
+void ST7735_TFT::circle(int x0, int y0, int r, int color) {
+
+ int draw_x0, draw_y0;
+ int draw_x1, draw_y1;
+ int draw_x2, draw_y2;
+ int draw_x3, draw_y3;
+ int draw_x4, draw_y4;
+ int draw_x5, draw_y5;
+ int draw_x6, draw_y6;
+ int draw_x7, draw_y7;
+ int xx, yy;
+ int di;
+ WindowMax();
+ if (r == 0) { /* no radius */
+ return;
+ }
+
+ draw_x0 = draw_x1 = x0;
+ draw_y0 = draw_y1 = y0 + r;
+ if (draw_y0 < height()) {
+ pixel(draw_x0, draw_y0, color); /* 90 degree */
+ }
+
+ draw_x2 = draw_x3 = x0;
+ draw_y2 = draw_y3 = y0 - r;
+ if (draw_y2 >= 0) {
+ pixel(draw_x2, draw_y2, color); /* 270 degree */
+ }
+
+ draw_x4 = draw_x6 = x0 + r;
+ draw_y4 = draw_y6 = y0;
+ if (draw_x4 < width()) {
+ pixel(draw_x4, draw_y4, color); /* 0 degree */
+ }
+
+ draw_x5 = draw_x7 = x0 - r;
+ draw_y5 = draw_y7 = y0;
+ if (draw_x5>=0) {
+ pixel(draw_x5, draw_y5, color); /* 180 degree */
+ }
+
+ if (r == 1) {
+ return;
+ }
+
+ di = 3 - 2*r;
+ xx = 0;
+ yy = r;
+ while (xx < yy) {
+
+ if (di < 0) {
+ di += 4*xx + 6;
+ } else {
+ di += 4*(xx - yy) + 10;
+ yy--;
+ draw_y0--;
+ draw_y1--;
+ draw_y2++;
+ draw_y3++;
+ draw_x4--;
+ draw_x5++;
+ draw_x6--;
+ draw_x7++;
+ }
+ xx++;
+ draw_x0++;
+ draw_x1--;
+ draw_x2++;
+ draw_x3--;
+ draw_y4++;
+ draw_y5++;
+ draw_y6--;
+ draw_y7--;
+
+ if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
+ pixel(draw_x0, draw_y0, color);
+ }
+
+ if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
+ pixel(draw_x1, draw_y1, color);
+ }
+
+ if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
+ pixel(draw_x2, draw_y2, color);
+ }
+
+ if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
+ pixel(draw_x3, draw_y3, color);
+ }
+
+ if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
+ pixel(draw_x4, draw_y4, color);
+ }
+
+ if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
+ pixel(draw_x5, draw_y5, color);
+ }
+ if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
+ pixel(draw_x6, draw_y6, color);
+ }
+ if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
+ pixel(draw_x7, draw_y7, color);
+ }
+ }
+ return;
+}
+
+void ST7735_TFT::fillcircle(int x, int y, int r, int color) {
+ int i;
+ for (i = 0; i <= r; i++)
+ circle(x,y,i,color);
+}
+
+void ST7735_TFT::fillcircle2(int x0, int y0, int r, int color){
+ int x = -r, y = 0, err = 2-2*r, e2;
+ do {
+ vline(x0-x, y0-y, y0+y, color);
+ vline(x0+x, y0-y, y0+y, color);
+ e2 = err;
+ if (e2 <= y) {
+ err += ++y*2+1;
+ if (-x == y && e2 <= x) e2 = 0;
+ }
+ if (e2 > x) err += ++x*2+1;
+ } while (x <= 0);
+}
+
+void ST7735_TFT::hline(int x0, int x1, int y, int color) {
+ int w;
+ w = x1 - x0 + 1;
+ window(x0,y,w,1);
+ wr_cmd(0x2C);
+ wr_dat_start();
+ for (int x=0; x<w; x++) {
+ _spi.write(color >> 8);
+ _spi.write(color);
+ }
+ wr_dat_stop();
+ return;
+}
+
+
+
+void ST7735_TFT::vline(int x, int y0, int y1, int color) {
+ int h;
+ h = y1 - y0 + 1;
+ window(x,y0,1,h);
+ wr_cmd(0x2C);
+ wr_dat_start();
+ for (int y=0; y<h; y++) {
+ _spi.write(color >> 8);
+ _spi.write(color);
+ }
+ wr_dat_stop();
+ return;
+}
+
+
+
+void ST7735_TFT::line(int x0, int y0, int x1, int y1, int color) {
+ WindowMax();
+ int dx = 0, dy = 0;
+ int dx_sym = 0, dy_sym = 0;
+ int dx_x2 = 0, dy_x2 = 0;
+ int di = 0;
+
+ dx = x1-x0;
+ dy = y1-y0;
+
+ if (dx == 0) { /* vertical line */
+ if (y1 > y0) vline(x0,y0,y1,color);
+ else vline(x0,y1,y0,color);
+ return;
+ }
+
+ if (dx > 0) {
+ dx_sym = 1;
+ } else {
+ dx_sym = -1;
+ }
+ if (dy == 0) { /* horizontal line */
+ if (x1 > x0) hline(x0,x1,y0,color);
+ else hline(x1,x0,y0,color);
+ return;
+ }
+
+ if (dy > 0) {
+ dy_sym = 1;
+ } else {
+ dy_sym = -1;
+ }
+
+ dx = dx_sym*dx;
+ dy = dy_sym*dy;
+
+ dx_x2 = dx*2;
+ dy_x2 = dy*2;
+
+ if (dx >= dy) {
+ di = dy_x2 - dx;
+ while (x0 != x1) {
+
+ pixel(x0, y0, color);
+ x0 += dx_sym;
+ if (di<0) {
+ di += dy_x2;
+ } else {
+ di += dy_x2 - dx_x2;
+ y0 += dy_sym;
+ }
+ }
+ pixel(x0, y0, color);
+ } else {
+ di = dx_x2 - dy;
+ while (y0 != y1) {
+ pixel(x0, y0, color);
+ y0 += dy_sym;
+ if (di < 0) {
+ di += dx_x2;
+ } else {
+ di += dx_x2 - dy_x2;
+ x0 += dx_sym;
+ }
+ }
+ pixel(x0, y0, color);
+ }
+ return;
+}
+
+
+
+
+void ST7735_TFT::rect(int x0, int y0, int x1, int y1, int color) {
+
+ if (x1 > x0) hline(x0,x1,y0,color);
+ else hline(x1,x0,y0,color);
+
+ if (y1 > y0) vline(x0,y0,y1,color);
+ else vline(x0,y1,y0,color);
+
+ if (x1 > x0) hline(x0,x1,y1,color);
+ else hline(x1,x0,y1,color);
+
+ if (y1 > y0) vline(x1,y0,y1,color);
+ else vline(x1,y1,y0,color);
+
+ return;
+}
+
+
+
+void ST7735_TFT::fillrect(int x0, int y0, int x1, int y1, int color) {
+
+ int h = y1 - y0 + 1;
+ int w = x1 - x0 + 1;
+ int pixel = h * w;
+ window(x0,y0,w,h);
+ wr_cmd(0x2C);
+ wr_dat_start();
+ for (int p=0; p<pixel; p++) {
+ _spi.write(color >> 8);
+ _spi.write(color);
+ }
+ wr_dat_stop();
+ return;
+}
+
+
+
+void ST7735_TFT::locate(int x, int y) {
+ char_x = x;
+ char_y = y;
+}
+
+
+
+int ST7735_TFT::columns() {
+ return width() / font[1];
+}
+
+
+
+int ST7735_TFT::rows() {
+ return height() / font[2];
+}
+
+
+
+int ST7735_TFT::_putc(int value) {
+ if (value == '\n') { // new line
+ char_x = 0;
+ char_y = char_y + font[2];
+ if (char_y >= height() - font[2]) {
+ char_y = 0;
+ }
+ } else {
+ character(char_x, char_y, value);
+ }
+ return value;
+}
+
+
+
+
+void ST7735_TFT::character(int x, int y, int c) {
+ unsigned int hor,vert,offset,bpl,j,i,b;
+ unsigned char* zeichen;
+ unsigned char z,w;
+
+ if ((c < 31) || (c > 156)) return; // test char range
+
+ // read font parameter from start of array
+ offset = font[0]; // bytes / char
+ hor = font[1]; // get hor size of font
+ vert = font[2]; // get vert size of font
+ bpl = font[3]; // bytes per line
+
+ if (char_x + hor > width()) {
+ char_x = 0;
+ char_y = char_y + vert;
+ if (char_y >= height() - font[2]) {
+ char_y = 0;
+ }
+ }
+
+ window(char_x, char_y,hor,vert); // char box
+ wr_cmd(0x2C);
+ wr_dat_start();
+ zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
+ w = zeichen[0]; // width of actual char
+ #ifndef TARGET_KL25Z
+ _spi.format(16,3); // pixel are 16 bit
+ #endif
+ 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) {
+ #ifndef TARGET_KL25Z // 16 Bit SPI
+ _spi.write(_background);
+ #else
+ _spi.write(_background >> 8);
+ _spi.write(_background & 0xff);
+ #endif
+ } else {
+ #ifndef TARGET_KL25Z // 16 Bit SPI
+ _spi.write(_foreground);
+ #else
+ _spi.write(_foreground >> 8);
+ _spi.write(_foreground & 0xff);
+ #endif
+ }
+ }
+ }
+ #ifndef TARGET_KL25Z // 16 Bit SPI
+ _spi.format(8,3);
+ #endif
+ wr_dat_stop();
+ if ((w + 2) < hor) { // x offset to next char
+ char_x += w + 2;
+ } else char_x += hor;
+}
+
+
+
+
+
+void ST7735_TFT::set_font(unsigned char* f) {
+ font = f;
+}
+
+
+
+void ST7735_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap) {
+ unsigned int i,j;
+ unsigned short *bitmap_ptr = (unsigned short *)bitmap;
+ unsigned short pix_temp;
+ window(x, y, w, h);
+ wr_cmd(0x2C);
+ wr_dat_start();
+ for (j = 0; j < h; j++) { //Lines
+ for (i = 0; i < w; i++) { // copy pixel data to TFT
+#if 0
+ pix_temp = *bitmap_ptr;
+ _spi.write( ((pix_temp << 3)|( (pix_temp >> 8)&0x07) )&0xFF );
+ _spi.write( ((pix_temp >>11)|(pix_temp&0xE0)&0xFF) );
+
+ //_spi.write(pix_temp >> 8);
+ //_spi.write(pix_temp);
+#else
+ _spi.write(*bitmap_ptr >> 8);
+ _spi.write(*bitmap_ptr); // one line
+#endif
+ bitmap_ptr++;
+ }
+ }
+ wr_dat_stop();
+}
+
+
+int ST7735_TFT::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP) {
+// BEWARE !
+// NOT TESTED
+#define OffsetPixelWidth 18
+#define OffsetPixelHeigh 22
+#define OffsetFileSize 34
+#define OffsetPixData 10
+#define OffsetBPP 28
+
+ char filename[50];
+ unsigned char BMP_Header[54];
+ unsigned short BPP_t;
+ unsigned int PixelWidth,PixelHeigh,start_data;
+ unsigned int i,off;
+ int padd,j;
+ unsigned short *line;
+
+ // get the filename
+#if 0
+ LocalFileSystem local("local");
+#endif
+ sprintf(&filename[0],"/local/");
+ i=7;
+ while (*Name_BMP!='\0') {
+ filename[i++]=*Name_BMP++;
+ }
+ FILE *Image = fopen((const char *)&filename[0], "r"); // open the bmp file
+ if (!Image) {
+ return(0); // error file not found !
+ }
+
+ fread(&BMP_Header[0],1,54,Image); // get the BMP Header
+
+ if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
+ fclose(Image);
+ return(-1); // error no BMP file
+ }
+
+ BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
+ if (BPP_t != 0x0010) {
+ fclose(Image);
+ return(-2); // error no 16 bit BMP
+ }
+
+ PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
+ PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
+ if (PixelHeigh > height() + y || PixelWidth > width() + x) {
+ fclose(Image);
+ return(-3); // to big
+ }
+
+ start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
+
+ line = (unsigned short *) malloc (PixelWidth); // we need a buffer for a line
+ if (line == NULL) {
+ return(-4); // error no memory
+ }
+
+ // the lines are padded to multiple of 4 bytes
+ padd = -1;
+ do {
+ padd ++;
+ } while ((PixelWidth * 2 + padd)%4 != 0);
+
+ window(x, y,PixelWidth,PixelHeigh);
+ wr_cmd(0x2C);
+ wr_dat_start();
+ #ifndef TARGET_KL25Z // only 8 Bit SPI
+ _spi.format(16,3);
+ #endif // switch to 16 bit Mode 3
+ for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
+ off = j * (PixelWidth * 2 + padd) + start_data; // start of line
+ 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
+ #ifndef TARGET_KL25Z // only 8 Bit SPI
+ _spi.write(line[i]); // one 16 bit pixel
+ #else
+ _spi.write(line[i] >> 8);
+ _spi.write(line[i]);
+ #endif
+ }
+ }
+ _spi.format(8,3);
+ wr_dat_stop();
+ free (line);
+ fclose(Image);
+ return(1);
+}
\ No newline at end of file
diff -r 967235e6fd48 -r 047ca9682450 ST7735B_TFT.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ST7735B_TFT.h Thu Mar 19 13:34:50 2015 +0000
@@ -0,0 +1,422 @@
+/* mbed library for 128*160 pixel display TFT based on ST7735 LCD Controller
+ * ST7735 specific routines (initialization, window addressing, pixel output)
+ * Copyright (c) 2011 Jonne Valola
+ *
+ * WARNING !! WORK IN PROGRESS !!!
+ *
+ * Graphics routines and SPI routines derived work used with permission from:
+ * mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller
+ * Copyright (c) 2011 Peter Drescher - DC2PD
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MBED_ST7735B_TFT_H
+#define MBED_ST7735B_TFT_H
+
+#include "mbed.h"
+#include "GraphicsDisplay.h"
+
+#define RGB(r,g,b) (((r&0xF8)<<8)|((g&0xFC)<<3)|((b&0xF8)>>3)) //5 red | 6 green | 5 blue
+
+/*define ST7735 Commands */
+
+#define ST7735_NOP 0x0
+#define ST7735_SWRESET 0x01
+#define ST7735_RDDID 0x04
+#define ST7735_RDDST 0x09
+
+#define ST7735_SLPIN 0x10
+#define ST7735_SLPOUT 0x11
+#define ST7735_PTLON 0x12
+#define ST7735_NORON 0x13
+
+#define ST7735_INVOFF 0x20
+#define ST7735_INVON 0x21
+#define ST7735_DISPOFF 0x28
+#define ST7735_DISPON 0x29
+#define ST7735_CASET 0x2A
+#define ST7735_RASET 0x2B
+#define ST7735_RAMWR 0x2C
+#define ST7735_RAMRD 0x2E
+
+#define ST7735_COLMOD 0x3A
+#define ST7735_MADCTL 0x36
+
+
+#define ST7735_FRMCTR1 0xB1
+#define ST7735_FRMCTR2 0xB2
+#define ST7735_FRMCTR3 0xB3
+#define ST7735_INVCTR 0xB4
+#define ST7735_DISSET5 0xB6
+
+#define ST7735_PWCTR1 0xC0
+#define ST7735_PWCTR2 0xC1
+#define ST7735_PWCTR3 0xC2
+#define ST7735_PWCTR4 0xC3
+#define ST7735_PWCTR5 0xC4
+#define ST7735_VMCTR1 0xC5
+
+#define ST7735_RDID1 0xDA
+#define ST7735_RDID2 0xDB
+#define ST7735_RDID3 0xDC
+#define ST7735_RDID4 0xDD
+
+#define ST7735_PWCTR6 0xFC
+
+#define ST7735_GMCTRP1 0xE0
+#define ST7735_GMCTRN1 0xE1
+
+/* some RGB color definitions */
+#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 Blue 0x001F /* 0, 0, 255 */
+#define Green 0x07E0 /* 0, 255, 0 */
+#define Cyan 0x07FF /* 0, 255, 255 */
+#define Red 0xF800 /* 255, 0, 0 */
+#define Magenta 0xF81F /* 255, 0, 255 */
+#define Yellow 0xFFE0 /* 255, 255, 0 */
+#define White 0xFFFF /* 255, 255, 255 */
+#define Orange 0xFD20 /* 255, 165, 0 */
+#define GreenYellow 0xAFE5 /* 173, 255, 47 */
+
+class ST7735_TFT : public GraphicsDisplay {
+ public:
+
+ /** Create a ST7735_TFT object connected to SPI and three pins. ST7735 requires rs pin to toggle between data/command
+ *
+ * @param mosi,miso,sclk SPI
+ * @param cs pin connected to CS of display (called SS for 'Slave Select' in ST7735 datasheet)
+ * @param rs pin connected to RS of display (called D/CX in ST7735 datasheet)
+ * @param reset pin connected to RESET of display
+ *
+ */
+ ST7735_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName rs, PinName reset,const char* name ="TFT");
+
+ /** Get the width of the screen in pixel
+ *
+ * @param
+ * @returns width of screen in pixel
+ *
+ */
+ virtual int width();
+
+ /** Get the height of the screen in pixel
+ *
+ * @returns height of screen in pixel
+ *
+ */
+ virtual int height();
+
+ /** Draw a pixel at x,y with color
+ *
+ * @param x horizontal position
+ * @param y vertical position
+ * @param color 16 bit pixel color
+ */
+ virtual void pixel(int x, int y, int colour);
+
+ /** Get colour of pixel at x,y
+ *
+ * @param x horizontal position
+ * @param y vertical position
+ */
+
+ int getpixel(unsigned int x, unsigned int y);
+
+ /** draw a circle
+ *
+ * @param x0,y0 center
+ * @param r radius
+ * @param color 16 bit color *
+ *
+ */
+
+ void circle(int x, int y, int r, int colour);
+
+ /** draw a filled circle
+ *
+ * @param x0,y0 center
+ * @param r radius
+ * @param color 16 bit color *
+ *
+ * use circle with different radius,
+ * can miss some pixel
+ */
+ void fillcircle(int x, int y, int r, int colour);
+
+ /** draw a filled circle v2
+ *
+ * @param x0,y0 center
+ * @param r radius
+ * @param color 16 bit color *
+ *
+ * use circle with different radius,
+ * can miss some pixel
+ */
+ void fillcircle2(int x0, int y0, int r, int color);
+
+ /** draw a 1 pixel line
+ *
+ * @param x0,y0 start point
+ * @param x1,y1 stop point
+ * @param color 16 bit color
+ *
+ */
+ void line(int x0, int y0, int x1, int y1, int colour);
+
+ /** draw a rect
+ *
+ * @param x0,y0 top left corner
+ * @param x1,y1 down right corner
+ * @param color 16 bit color
+ * *
+ */
+ void rect(int x0, int y0, int x1, int y1, int colour);
+
+ /** draw a filled rect
+ *
+ * @param x0,y0 top left corner
+ * @param x1,y1 down right corner
+ * @param color 16 bit color
+ *
+ */
+ void fillrect(int x0, int y0, int x1, int y1, int colour);
+
+ /** setup cursor position
+ *
+ * @param x x-position (top left)
+ * @param y y-position
+ */
+ virtual void locate(int x, int y);
+
+ /** Fill the screen with _backgroun color
+ *
+ */
+ virtual void cls (void);
+
+ /** calculate the max number of char in a line
+ *
+ * @returns max columns
+ * depends on actual font size
+ *
+ */
+ virtual int columns(void);
+
+ /** calculate the max number of columns
+ *
+ * @returns max column
+ * depends on actual font size
+ *
+ */
+ virtual int rows(void);
+
+ /** put a char on the screen
+ *
+ * @param value char to print
+ * @returns printed char
+ *
+ */
+ virtual int _putc(int value);
+
+ /** draw a character on given position out of the active font to the TFT
+ *
+ * @param x x-position of char (top left)
+ * @param y y-position
+ * @param c char to print
+ *
+ */
+ virtual void character(int x, int y, int c);
+
+ /** paint a bitmap on the TFT
+ *
+ * @param x,y : upper left corner
+ * @param w width of bitmap
+ * @param h high of bitmap
+ * @param *bitmap pointer to the bitmap data
+ *
+ * bitmap format: 16 bit R5 G6 B5
+ *
+ * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5
+ * use winhex to load this file and mark data stating at offset 0x46 to end
+ * use edit -> copy block -> C Source to export C array
+ * paste this array into your program
+ *
+ * define the array as static const unsigned char to put it into flash memory
+ * cast the pointer to (unsigned char *) :
+ * tft.Bitmap(10,40,309,50,(unsigned char *)scala);
+ */
+ void Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap);
+
+
+ /** paint a 16 bit BMP from local filesytem on the TFT (slow)
+ *
+ * @param x,y : upper left corner
+ * @param *Name_BMP name of the BMP file
+ * @returns 1 if bmp file was found and painted
+ * @returns -1 if bmp file was found not found
+ * @returns -2 if bmp file is not 16bit
+ * @returns -3 if bmp file is to big for screen
+ * @returns -4 if buffer malloc go wrong
+ *
+ * bitmap format: 16 bit R5 G6 B5
+ *
+ * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5
+ * copy to internal file system
+ *
+ */
+
+ int BMP_16(unsigned int x, unsigned int y, const char *Name_BMP);
+
+ /** Read an area from the LCD RAM to MCU RAM
+ *
+ * @param x,y : upper left corner
+ * @param w width of bitmap
+ * @param h high of bitmap
+ * @param *buffer pointer to the buffer
+ */
+
+ void read_area(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *buffer);
+
+ /** select the font to use
+ *
+ * @param f pointer to font array
+ *
+ * font array can created with GLCD Font Creator from http://www.mikroe.com
+ * you have to add 4 parameter at the beginning of the font array to use:
+ * - the number of byte / char
+ * - the vertial size in pixel
+ * - the horizontal size in pixel
+ * - the number of byte per vertical line
+ * you also have to change the array to char[]
+ *
+ */
+ void set_font(unsigned char* f);
+
+ /** Set the orientation of the screen
+ * x,y: 0,0 is always top left
+ *
+ * @param o direction to use the screen (0-3) 90� Steps
+ *
+ */
+ void set_orientation(unsigned int o);
+
+ SPI _spi;
+ DigitalOut _cs;
+ DigitalOut _rs;
+ DigitalOut _reset;
+ unsigned char* font;
+
+protected:
+
+ /** draw a horizontal line
+ *
+ * @param x0 horizontal start
+ * @param x1 horizontal stop
+ * @param y vertical position
+ * @param color 16 bit color
+ *
+ */
+ void hline(int x0, int x1, int y, int colour);
+
+ /** draw a vertical line
+ *
+ * @param x horizontal position
+ * @param y0 vertical start
+ * @param y1 vertical stop
+ * @param color 16 bit color
+ */
+ void vline(int y0, int y1, int x, int colour);
+
+ /** Set draw window region
+ *
+ * @param x horizontal position
+ * @param y vertical position
+ * @param w window width in pixel
+ * @param h window height in pixels
+ */
+ virtual void window (unsigned int x, unsigned int y, unsigned int w, unsigned int h);
+
+ /** Set draw window region to whole screen
+ *
+ */
+ void WindowMax (void);
+
+ /** Init the ST7735 controller
+ *
+ */
+ void tft_reset();
+
+ /** Write data to the LCD controller
+ *
+ * @param dat data written to LCD controller
+ *
+ */
+ void wr_dat(int value);
+
+ /** Write a command the LCD controller
+ *
+ * @param cmd: command to be written
+ *
+ */
+ void wr_cmd(int value);
+
+ /** Start data sequence to the LCD controller
+ *
+ */
+ void wr_dat_start();
+
+ /** Stop of data writing to the LCD controller
+ *
+ */
+ void wr_dat_stop();
+
+ /** write data to the LCD controller
+ *
+ * @param data to be written
+ * *
+ */
+ void wr_dat_only(unsigned short dat);
+
+ /** Read data from the LCD controller
+ *
+ * @returns data from LCD controller
+ *
+ */
+ unsigned short rd_dat(void);
+
+ /** Write a value to the to a LCD register
+ *
+ * @param reg register to be written
+ * @param val data to be written
+ */
+ void wr_reg (unsigned char reg, unsigned short val);
+
+ /** Read a LCD register
+ *
+ * @param reg register to be read
+ * @returns value of the register
+ */
+ unsigned short rd_reg (unsigned char reg);
+
+ unsigned int orientation;
+ unsigned int char_x;
+ unsigned int char_y;
+
+
+};
+
+#endif
diff -r 967235e6fd48 -r 047ca9682450 ST7735_TFT.cpp
--- a/ST7735_TFT.cpp Sun Dec 11 21:18:21 2011 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,814 +0,0 @@
- /* mbed library for 128*160 pixel display TFT based on ST7735 LCD Controller
- * ST7735 specific routines (initialization, window addressing, pixel output)
- * Copyright (c) 2011 Jonne Valola
- *
- * WARNING !! WORK IN PROGRESS !!!
- *
- * Graphics routines and SPI routines derived work used with permission from:
- * mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller
- * Copyright (c) 2011 Peter Drescher - DC2PD
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-
-#include "ST7735_TFT.h"
-#include "mbed.h"
-
-#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) {
- tft_reset();
- orientation = 2;
- char_x = 0;
-}
-
-
-int ST7735_TFT::width() {
- if (orientation == 0 || orientation == 2) return 128;
- else return 160;
-}
-
-
-int ST7735_TFT::height() {
- if (orientation == 0 || orientation == 2) return 160;
- else return 128;
-}
-
-
-void ST7735_TFT::set_orientation(unsigned int o) {
- orientation = o;
- switch (orientation) {
- case 0:
- wr_reg(ST7735_MADCTL, 0x0008);
- break;
- case 1:
- wr_reg(ST7735_MADCTL, 0x0068);
- break;
- case 2:
- wr_reg(ST7735_MADCTL, 0x00C8);
- break;
- case 3:
- wr_reg(ST7735_MADCTL, 0x00A8);
- break;
- }
-}
-
-
-
-void ST7735_TFT::wr_cmd(int cmd) {
- _rs = 0; // rs low, cs low for transmitting command
- _cs = 0;
- _spi.write(cmd);
- _cs = 1;
-}
-
-
-
-void ST7735_TFT::wr_dat(int dat) {
- _rs = 1; // rs high, cs low for transmitting data
- _cs = 0;
- _spi.write(dat);
- _cs = 1;
-}
-
-
-
-void ST7735_TFT::wr_dat_start(void) {
- _rs = 1; // rs high, cs low for transmitting data
- _cs = 0;
-}
-
-
-
-void ST7735_TFT::wr_dat_stop (void) {
- _cs = 1;
-}
-
-
-
-void ST7735_TFT::wr_dat_only (unsigned short dat) {
- _spi.write(dat);
-}
-
-
-unsigned short ST7735_TFT::rd_dat (void) {
- unsigned short val = 0;
- _cs = 0;
- _spi.write(0); /* Dummy read 1 */
- val = _spi.write(0); /* Read D8..D15 */
- val <<= 8;
- val |= _spi.write(0); /* Read D0..D7 */
- _cs = 1;
- return (val);
-}
-
-void ST7735_TFT::wr_reg (unsigned char reg, unsigned short val) {
-
- wr_cmd(reg);
- wr_dat(val);
-}
-
-
-unsigned short ST7735_TFT::rd_reg (unsigned char reg) {
-
- wr_cmd(reg);
- return(rd_dat());
-}
-
-void ST7735_TFT::read_area(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *buffer) {
- // BEWARE !
- // DOES NOT WORK CORRECTLY YET !!!
- int val;
- window(x,y,w,h);
- wr_cmd(ST7735_RAMRD); // write to RAM
- _cs = 0;
- _rs = 1;
- _spi.write(0); /* Dummy read 1 */
-
- val = _spi.write(0); /* Read D8..D15 */
- val <<= 8;
- val |= _spi.write(0); /* Read D0..D7 */
- _cs = 1;
-}
-
-int ST7735_TFT::getpixel(unsigned int x, unsigned int y) {
- // BEWARE !
- // DOES NOT WORK CORRECTLY YET !!!
- int val;
- _spi.format(8,3);
- wr_cmd(ST7735_CASET); // column addr set
- wr_dat(0x00);
- wr_dat(x+2); // XSTART
- wr_dat(0x00);
- wr_dat(x+2+2); // XEND
-
- wr_cmd(ST7735_RASET); // row addr set
- wr_dat(0x00);
- wr_dat(y+1); // YSTART
- wr_dat(0x00);
- wr_dat(y+1+1); // YEND
-
- _rs = 0; // rs low, cs low for transmitting command
- _cs = 0;
- _spi.write(0x2E);
- _rs = 1;
- _spi.write(0x00); /* Dummy read 1 */
-
- val = _spi.write(0x00); /* Read D8..D15 */
- val <<= 8;
- val |= _spi.write(0x00); /* Read D0..D7 */
-
- _cs = 1;
- return val;
-}
-
-
-void ST7735_TFT::tft_reset() {
- static unsigned short driverCode;
-
- // 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
-
- // 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(0x01);
- wr_dat(0x2C);
- wr_dat(0x2D);
-
- wr_cmd(ST7735_FRMCTR2); /* Frame rate in idle mode */
- wr_dat(0x01);
- wr_dat(0x2C);
- wr_dat(0x2D);
-
- wr_cmd(ST7735_FRMCTR3); /* Frame rate in partial mode */
- wr_dat(0x01);
- wr_dat(0x2C);
- wr_dat(0x2D);
- wr_dat(0x01); // inversion mode settings
- wr_dat(0x2C);
- wr_dat(0x2D);
-
- wr_cmd(ST7735_INVCTR); // Inverted mode off
- wr_dat(0x07);
-
- wr_cmd(ST7735_PWCTR1); // POWER CONTROL 1
- wr_dat(0xA2);
- wr_dat(0x02); // -4.6V
- wr_dat(0x84); // AUTO mode
-
- wr_cmd(ST7735_PWCTR2); // POWER CONTROL 2
- wr_dat(0xC5); // VGH25 = 2.4C VGSEL =-10 VGH = 3*AVDD
-
- wr_cmd(ST7735_PWCTR3); // POWER CONTROL 3
- wr_dat(0x0A); // Opamp current small
- wr_dat(0x00); // Boost freq
-
- wr_cmd(ST7735_PWCTR4); // POWER CONTROL 4
- wr_dat(0x8A); // BCLK/2, Opamp current small / medium low
- wr_dat(0x2A); //
-
- wr_cmd(ST7735_PWCTR5); // POWER CONTROL 5
- wr_dat(0x8A); // BCLK/2, Opamp current small / medium low
- wr_dat(0xEE); //
-
- wr_cmd(ST7735_VMCTR1); // POWER CONTROL 6
- wr_dat(0x0E); //
-
- wr_cmd(ST7735_INVOFF); // INVOFF
-
- wr_cmd(ST7735_MADCTL); // ORIENTATION
- wr_dat(0xC8); //
-
- wr_cmd(ST7735_COLMOD); // COLOR MODE
- wr_dat(0x05); //
-
- wr_cmd(ST7735_CASET); // COLUMN ADDR SET
- wr_dat(0x00); //
- wr_dat(0x00); // xstart = 0
- wr_dat(0x00); //
- wr_dat(0x7F); // xend = 127
-
- wr_cmd(ST7735_RASET); // ROW ADDR SET
- wr_dat(0x00); //
- wr_dat(0x00); // ystart = 0
- wr_dat(0x00); //
- wr_dat(0x9F); // yend = 159
-
- /* Gamma settings -----------------------------------------------------------*/
-
- wr_cmd(0xE0); // GMCTRP1
- wr_dat(0x02);
- wr_dat(0x1c);
- wr_dat(0x07);
- wr_dat(0x12);
- wr_dat(0x37);
- wr_dat(0x32);
- wr_dat(0x29);
- wr_dat(0x2d);
- wr_dat(0x29);
- wr_dat(0x25);
- wr_dat(0x2B);
- wr_dat(0x39);
- wr_dat(0x00);
- wr_dat(0x01);
- wr_dat(0x03);
- wr_dat(0x10);
- wr_cmd(0xE1); // GMCTRN1
- wr_dat(0x03);
- wr_dat(0x1d);
- wr_dat(0x07);
- wr_dat(0x06);
- wr_dat(0x2E);
- wr_dat(0x2C);
- wr_dat(0x29);
- wr_dat(0x2D);
- wr_dat(0x2E);
- wr_dat(0x2E);
- wr_dat(0x37);
- wr_dat(0x3F);
- wr_dat(0x00);
- wr_dat(0x00);
- wr_dat(0x02);
- wr_dat(0x10);
-
- wr_cmd(ST7735_DISPON); // display ON
- wait_ms(100);
-
- wr_cmd(ST7735_NORON); // normal display on
- wait_ms(10);
-
- 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 ();
-}
-
-
-void ST7735_TFT::pixel(int x, int y, int color) {
- if ((x >= width()) || (y >= height())) return;
-
- window(x,y,x+1,y+1);
-
- // setup for data
- _rs = 1;
- _cs = 0;
- _spi.format(16,3);
- _spi.write(color);
- _cs = 1;
- _spi.format(8,3);
-}
-
-void ST7735_TFT::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h) {
- wr_cmd(ST7735_CASET); // column addr set
- wr_dat(0x00);
- wr_dat(x+2); // XSTART
- wr_dat(0x00);
- wr_dat(x+w+1); // XEND
-
- wr_cmd(ST7735_RASET); // row addr set
- wr_dat(0x00);
- wr_dat(y+1); // YSTART
- wr_dat(0x00);
- wr_dat(y+h+1); // YEND
-
- wr_cmd(ST7735_RAMWR); // write to RAM
-}
-
-
-void ST7735_TFT::WindowMax (void) {
- window (0, 0, width(), height());
-}
-
-
-void ST7735_TFT::cls (void) {
- unsigned int i;
- WindowMax();
- wr_dat_start();
- _spi.format(16,3);
- for (i = 0; i < ( (width()+1) * (height()+3)); i++) {
- _spi.write(_background);
- }
- _spi.format(8,3);
- wr_dat_stop();
-}
-
-
-void ST7735_TFT::circle(int x0, int y0, int r, int color) {
-
- int draw_x0, draw_y0;
- int draw_x1, draw_y1;
- int draw_x2, draw_y2;
- int draw_x3, draw_y3;
- int draw_x4, draw_y4;
- int draw_x5, draw_y5;
- int draw_x6, draw_y6;
- int draw_x7, draw_y7;
- int xx, yy;
- int di;
- WindowMax();
- if (r == 0) { /* no radius */
- return;
- }
-
- draw_x0 = draw_x1 = x0;
- draw_y0 = draw_y1 = y0 + r;
- if (draw_y0 < height()) {
- pixel(draw_x0, draw_y0, color); /* 90 degree */
- }
-
- draw_x2 = draw_x3 = x0;
- draw_y2 = draw_y3 = y0 - r;
- if (draw_y2 >= 0) {
- pixel(draw_x2, draw_y2, color); /* 270 degree */
- }
-
- draw_x4 = draw_x6 = x0 + r;
- draw_y4 = draw_y6 = y0;
- if (draw_x4 < width()) {
- pixel(draw_x4, draw_y4, color); /* 0 degree */
- }
-
- draw_x5 = draw_x7 = x0 - r;
- draw_y5 = draw_y7 = y0;
- if (draw_x5>=0) {
- pixel(draw_x5, draw_y5, color); /* 180 degree */
- }
-
- if (r == 1) {
- return;
- }
-
- di = 3 - 2*r;
- xx = 0;
- yy = r;
- while (xx < yy) {
-
- if (di < 0) {
- di += 4*xx + 6;
- } else {
- di += 4*(xx - yy) + 10;
- yy--;
- draw_y0--;
- draw_y1--;
- draw_y2++;
- draw_y3++;
- draw_x4--;
- draw_x5++;
- draw_x6--;
- draw_x7++;
- }
- xx++;
- draw_x0++;
- draw_x1--;
- draw_x2++;
- draw_x3--;
- draw_y4++;
- draw_y5++;
- draw_y6--;
- draw_y7--;
-
- if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
- pixel(draw_x0, draw_y0, color);
- }
-
- if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
- pixel(draw_x1, draw_y1, color);
- }
-
- if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
- pixel(draw_x2, draw_y2, color);
- }
-
- if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
- pixel(draw_x3, draw_y3, color);
- }
-
- if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
- pixel(draw_x4, draw_y4, color);
- }
-
- if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
- pixel(draw_x5, draw_y5, color);
- }
- if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
- pixel(draw_x6, draw_y6, color);
- }
- if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
- pixel(draw_x7, draw_y7, color);
- }
- }
- return;
-}
-
-void ST7735_TFT::fillcircle(int x, int y, int r, int color) {
- int i;
- for (i = 0; i <= r; i++)
- circle(x,y,i,color);
-}
-
-
-
-void ST7735_TFT::hline(int x0, int x1, int y, int color) {
- int w;
- w = x1 - x0 + 1;
- window(x0,y,w,1);
- wr_cmd(0x2C);
- wr_dat_start();
- for (int x=0; x<w; x++) {
- _spi.write(color);
- _spi.write(color >> 8);
- }
- wr_dat_stop();
- return;
-}
-
-
-
-void ST7735_TFT::vline(int x, int y0, int y1, int color) {
- int h;
- h = y1 - y0 + 1;
- window(x,y0,1,h);
- wr_cmd(0x2C);
- wr_dat_start();
- for (int y=0; y<h; y++) {
- _spi.write(color);
- _spi.write(color >> 8);
- }
- wr_dat_stop();
- return;
-}
-
-
-
-void ST7735_TFT::line(int x0, int y0, int x1, int y1, int color) {
- WindowMax();
- int dx = 0, dy = 0;
- int dx_sym = 0, dy_sym = 0;
- int dx_x2 = 0, dy_x2 = 0;
- int di = 0;
-
- dx = x1-x0;
- dy = y1-y0;
-
- if (dx == 0) { /* vertical line */
- if (y1 > y0) vline(x0,y0,y1,color);
- else vline(x0,y1,y0,color);
- return;
- }
-
- if (dx > 0) {
- dx_sym = 1;
- } else {
- dx_sym = -1;
- }
- if (dy == 0) { /* horizontal line */
- if (x1 > x0) hline(x0,x1,y0,color);
- else hline(x1,x0,y0,color);
- return;
- }
-
- if (dy > 0) {
- dy_sym = 1;
- } else {
- dy_sym = -1;
- }
-
- dx = dx_sym*dx;
- dy = dy_sym*dy;
-
- dx_x2 = dx*2;
- dy_x2 = dy*2;
-
- if (dx >= dy) {
- di = dy_x2 - dx;
- while (x0 != x1) {
-
- pixel(x0, y0, color);
- x0 += dx_sym;
- if (di<0) {
- di += dy_x2;
- } else {
- di += dy_x2 - dx_x2;
- y0 += dy_sym;
- }
- }
- pixel(x0, y0, color);
- } else {
- di = dx_x2 - dy;
- while (y0 != y1) {
- pixel(x0, y0, color);
- y0 += dy_sym;
- if (di < 0) {
- di += dx_x2;
- } else {
- di += dx_x2 - dy_x2;
- x0 += dx_sym;
- }
- }
- pixel(x0, y0, color);
- }
- return;
-}
-
-
-
-
-void ST7735_TFT::rect(int x0, int y0, int x1, int y1, int color) {
-
- if (x1 > x0) hline(x0,x1,y0,color);
- else hline(x1,x0,y0,color);
-
- if (y1 > y0) vline(x0,y0,y1,color);
- else vline(x0,y1,y0,color);
-
- if (x1 > x0) hline(x0,x1,y1,color);
- else hline(x1,x0,y1,color);
-
- if (y1 > y0) vline(x1,y0,y1,color);
- else vline(x1,y1,y0,color);
-
- return;
-}
-
-
-
-void ST7735_TFT::fillrect(int x0, int y0, int x1, int y1, int color) {
-
- int h = y1 - y0 + 1;
- int w = x1 - x0 + 1;
- int pixel = h * w;
- window(x0,y0,w,h);
- wr_cmd(0x2C);
- wr_dat_start();
- for (int p=0; p<pixel; p++) {
- _spi.write(color);
- _spi.write(color >> 8);
- }
- wr_dat_stop();
- return;
-}
-
-
-
-void ST7735_TFT::locate(int x, int y) {
- char_x = x;
- char_y = y;
-}
-
-
-
-int ST7735_TFT::columns() {
- return width() / font[1];
-}
-
-
-
-int ST7735_TFT::rows() {
- return height() / font[2];
-}
-
-
-
-int ST7735_TFT::_putc(int value) {
- if (value == '\n') { // new line
- char_x = 0;
- char_y = char_y + font[2];
- if (char_y >= height() - font[2]) {
- char_y = 0;
- }
- } else {
- character(char_x, char_y, value);
- }
- return value;
-}
-
-
-
-
-void ST7735_TFT::character(int x, int y, int c) {
- unsigned int hor,vert,offset,bpl,j,i,b;
- unsigned char* zeichen;
- unsigned char z,w;
-
- if ((c < 31) || (c > 127)) return; // test char range
-
- // read font parameter from start of array
- offset = font[0]; // bytes / char
- hor = font[1]; // get hor size of font
- vert = font[2]; // get vert size of font
- bpl = font[3]; // bytes per line
-
- if (char_x + hor > width()) {
- char_x = 0;
- char_y = char_y + vert;
- if (char_y >= height() - font[2]) {
- char_y = 0;
- }
- }
-
- window(char_x, char_y,hor,vert); // char box
- wr_cmd(0x2C);
- wr_dat_start();
- zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
- w = zeichen[0]; // width of actual char
- _spi.format(16,3); // pixel are 16 bit
-
- 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) {
- _spi.write(_background);
- } else {
- _spi.write(_foreground);
- }
- }
- }
- _spi.format(8,3); // 8 bit
- wr_dat_stop();
- if ((w + 2) < hor) { // x offset to next char
- char_x += w + 2;
- } else char_x += hor;
-}
-
-
-
-
-
-void ST7735_TFT::set_font(unsigned char* f) {
- font = f;
-}
-
-
-
-void ST7735_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap) {
- unsigned int i,j,value;
- unsigned short *bitmap_ptr = (unsigned short *)bitmap;
- window(x, y, w, h);
- wr_cmd(0x2C);
- 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);
- bitmap_ptr++;
- }
- }
- wr_dat_stop();
-}
-
-
-int ST7735_TFT::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP) {
-// BEWARE !
-// NOT TESTED
-#define OffsetPixelWidth 18
-#define OffsetPixelHeigh 22
-#define OffsetFileSize 34
-#define OffsetPixData 10
-#define OffsetBPP 28
-
- char filename[50];
- unsigned char BMP_Header[54];
- unsigned short BPP_t;
- unsigned int PixelWidth,PixelHeigh,start_data;
- unsigned int i,off;
- int padd,j;
- unsigned short *line;
-
- // get the filename
- LocalFileSystem local("local");
- sprintf(&filename[0],"/local/");
- i=7;
- while (*Name_BMP!='\0') {
- filename[i++]=*Name_BMP++;
- }
- FILE *Image = fopen((const char *)&filename[0], "r"); // open the bmp file
- if (!Image) {
- return(0); // error file not found !
- }
-
- fread(&BMP_Header[0],1,54,Image); // get the BMP Header
-
- if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
- fclose(Image);
- return(-1); // error no BMP file
- }
-
- BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
- if (BPP_t != 0x0010) {
- fclose(Image);
- return(-2); // error no 16 bit BMP
- }
-
- PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
- PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
- if (PixelHeigh > height() + y || PixelWidth > width() + x) {
- fclose(Image);
- return(-3); // to big
- }
-
- start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
-
- line = (unsigned short *) malloc (PixelWidth); // we need a buffer for a line
- if (line == NULL) {
- return(-4); // error no memory
- }
-
- // the lines are padded to multiple of 4 bytes
- padd = -1;
- do {
- padd ++;
- } while ((PixelWidth * 2 + padd)%4 != 0);
-
- window(x, y,PixelWidth,PixelHeigh);
- wr_cmd(0x2C);
- wr_dat_start();
- _spi.format(16,3);
- for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
- off = j * (PixelWidth * 2 + padd) + start_data; // start of line
- 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.format(8,3);
- wr_dat_stop();
- free (line);
- fclose(Image);
- return(1);
-}
\ No newline at end of file
diff -r 967235e6fd48 -r 047ca9682450 ST7735_TFT.h
--- a/ST7735_TFT.h Sun Dec 11 21:18:21 2011 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,411 +0,0 @@
-/* mbed library for 128*160 pixel display TFT based on ST7735 LCD Controller
- * ST7735 specific routines (initialization, window addressing, pixel output)
- * Copyright (c) 2011 Jonne Valola
- *
- * WARNING !! WORK IN PROGRESS !!!
- *
- * Graphics routines and SPI routines derived work used with permission from:
- * mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller
- * Copyright (c) 2011 Peter Drescher - DC2PD
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifndef MBED_ST7735_TFT_H
-#define MBED_ST7735_TFT_H
-
-#include "mbed.h"
-#include "GraphicsDisplay.h"
-
-#define RGB(r,g,b) (((r&0xF8)<<8)|((g&0xFC)<<3)|((b&0xF8)>>3)) //5 red | 6 green | 5 blue
-
-/*define ST7735 Commands */
-
-#define ST7735_NOP 0x0
-#define ST7735_SWRESET 0x01
-#define ST7735_RDDID 0x04
-#define ST7735_RDDST 0x09
-
-#define ST7735_SLPIN 0x10
-#define ST7735_SLPOUT 0x11
-#define ST7735_PTLON 0x12
-#define ST7735_NORON 0x13
-
-#define ST7735_INVOFF 0x20
-#define ST7735_INVON 0x21
-#define ST7735_DISPOFF 0x28
-#define ST7735_DISPON 0x29
-#define ST7735_CASET 0x2A
-#define ST7735_RASET 0x2B
-#define ST7735_RAMWR 0x2C
-#define ST7735_RAMRD 0x2E
-
-#define ST7735_COLMOD 0x3A
-#define ST7735_MADCTL 0x36
-
-
-#define ST7735_FRMCTR1 0xB1
-#define ST7735_FRMCTR2 0xB2
-#define ST7735_FRMCTR3 0xB3
-#define ST7735_INVCTR 0xB4
-#define ST7735_DISSET5 0xB6
-
-#define ST7735_PWCTR1 0xC0
-#define ST7735_PWCTR2 0xC1
-#define ST7735_PWCTR3 0xC2
-#define ST7735_PWCTR4 0xC3
-#define ST7735_PWCTR5 0xC4
-#define ST7735_VMCTR1 0xC5
-
-#define ST7735_RDID1 0xDA
-#define ST7735_RDID2 0xDB
-#define ST7735_RDID3 0xDC
-#define ST7735_RDID4 0xDD
-
-#define ST7735_PWCTR6 0xFC
-
-#define ST7735_GMCTRP1 0xE0
-#define ST7735_GMCTRN1 0xE1
-
-/* some RGB color definitions */
-#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 Blue 0x001F /* 0, 0, 255 */
-#define Green 0x07E0 /* 0, 255, 0 */
-#define Cyan 0x07FF /* 0, 255, 255 */
-#define Red 0xF800 /* 255, 0, 0 */
-#define Magenta 0xF81F /* 255, 0, 255 */
-#define Yellow 0xFFE0 /* 255, 255, 0 */
-#define White 0xFFFF /* 255, 255, 255 */
-#define Orange 0xFD20 /* 255, 165, 0 */
-#define GreenYellow 0xAFE5 /* 173, 255, 47 */
-
-class ST7735_TFT : public GraphicsDisplay {
- public:
-
- /** Create a ST7735_TFT object connected to SPI and three pins. ST7735 requires rs pin to toggle between data/command
- *
- * @param mosi,miso,sclk SPI
- * @param cs pin connected to CS of display (called SS for 'Slave Select' in ST7735 datasheet)
- * @param rs pin connected to RS of display (called D/CX in ST7735 datasheet)
- * @param reset pin connected to RESET of display
- *
- */
- ST7735_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName rs, PinName reset,const char* name ="TFT");
-
- /** Get the width of the screen in pixel
- *
- * @param
- * @returns width of screen in pixel
- *
- */
- virtual int width();
-
- /** Get the height of the screen in pixel
- *
- * @returns height of screen in pixel
- *
- */
- virtual int height();
-
- /** Draw a pixel at x,y with color
- *
- * @param x horizontal position
- * @param y vertical position
- * @param color 16 bit pixel color
- */
- virtual void pixel(int x, int y, int colour);
-
- /** Get colour of pixel at x,y
- *
- * @param x horizontal position
- * @param y vertical position
- */
-
- int getpixel(unsigned int x, unsigned int y);
-
- /** draw a circle
- *
- * @param x0,y0 center
- * @param r radius
- * @param color 16 bit color *
- *
- */
-
- void circle(int x, int y, int r, int colour);
-
- /** draw a filled circle
- *
- * @param x0,y0 center
- * @param r radius
- * @param color 16 bit color *
- *
- * use circle with different radius,
- * can miss some pixel
- */
- void fillcircle(int x, int y, int r, int colour);
-
- /** draw a 1 pixel line
- *
- * @param x0,y0 start point
- * @param x1,y1 stop point
- * @param color 16 bit color
- *
- */
- void line(int x0, int y0, int x1, int y1, int colour);
-
- /** draw a rect
- *
- * @param x0,y0 top left corner
- * @param x1,y1 down right corner
- * @param color 16 bit color
- * *
- */
- void rect(int x0, int y0, int x1, int y1, int colour);
-
- /** draw a filled rect
- *
- * @param x0,y0 top left corner
- * @param x1,y1 down right corner
- * @param color 16 bit color
- *
- */
- void fillrect(int x0, int y0, int x1, int y1, int colour);
-
- /** setup cursor position
- *
- * @param x x-position (top left)
- * @param y y-position
- */
- void locate(int x, int y);
-
- /** Fill the screen with _backgroun color
- *
- */
- virtual void cls (void);
-
- /** calculate the max number of char in a line
- *
- * @returns max columns
- * depends on actual font size
- *
- */
- int columns(void);
-
- /** calculate the max number of columns
- *
- * @returns max column
- * depends on actual font size
- *
- */
- int rows(void);
-
- /** put a char on the screen
- *
- * @param value char to print
- * @returns printed char
- *
- */
- int _putc(int value);
-
- /** draw a character on given position out of the active font to the TFT
- *
- * @param x x-position of char (top left)
- * @param y y-position
- * @param c char to print
- *
- */
- virtual void character(int x, int y, int c);
-
- /** paint a bitmap on the TFT
- *
- * @param x,y : upper left corner
- * @param w width of bitmap
- * @param h high of bitmap
- * @param *bitmap pointer to the bitmap data
- *
- * bitmap format: 16 bit R5 G6 B5
- *
- * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5
- * use winhex to load this file and mark data stating at offset 0x46 to end
- * use edit -> copy block -> C Source to export C array
- * paste this array into your program
- *
- * define the array as static const unsigned char to put it into flash memory
- * cast the pointer to (unsigned char *) :
- * tft.Bitmap(10,40,309,50,(unsigned char *)scala);
- */
- void Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap);
-
-
- /** paint a 16 bit BMP from local filesytem on the TFT (slow)
- *
- * @param x,y : upper left corner
- * @param *Name_BMP name of the BMP file
- * @returns 1 if bmp file was found and painted
- * @returns -1 if bmp file was found not found
- * @returns -2 if bmp file is not 16bit
- * @returns -3 if bmp file is to big for screen
- * @returns -4 if buffer malloc go wrong
- *
- * bitmap format: 16 bit R5 G6 B5
- *
- * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5
- * copy to internal file system
- *
- */
-
- int BMP_16(unsigned int x, unsigned int y, const char *Name_BMP);
-
- /** Read an area from the LCD RAM to MCU RAM
- *
- * @param x,y : upper left corner
- * @param w width of bitmap
- * @param h high of bitmap
- * @param *buffer pointer to the buffer
- */
-
- void read_area(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *buffer);
-
- /** select the font to use
- *
- * @param f pointer to font array
- *
- * font array can created with GLCD Font Creator from http://www.mikroe.com
- * you have to add 4 parameter at the beginning of the font array to use:
- * - the number of byte / char
- * - the vertial size in pixel
- * - the horizontal size in pixel
- * - the number of byte per vertical line
- * you also have to change the array to char[]
- *
- */
- void set_font(unsigned char* f);
-
- /** Set the orientation of the screen
- * x,y: 0,0 is always top left
- *
- * @param o direction to use the screen (0-3) 90� Steps
- *
- */
- void set_orientation(unsigned int o);
-
- SPI _spi;
- DigitalOut _cs;
- DigitalOut _rs;
- DigitalOut _reset;
- unsigned char* font;
-
-protected:
-
- /** draw a horizontal line
- *
- * @param x0 horizontal start
- * @param x1 horizontal stop
- * @param y vertical position
- * @param color 16 bit color
- *
- */
- void hline(int x0, int x1, int y, int colour);
-
- /** draw a vertical line
- *
- * @param x horizontal position
- * @param y0 vertical start
- * @param y1 vertical stop
- * @param color 16 bit color
- */
- void vline(int y0, int y1, int x, int colour);
-
- /** Set draw window region
- *
- * @param x horizontal position
- * @param y vertical position
- * @param w window width in pixel
- * @param h window height in pixels
- */
- void window (unsigned int x, unsigned int y, unsigned int w, unsigned int h);
-
- /** Set draw window region to whole screen
- *
- */
- void WindowMax (void);
-
- /** Init the ST7735 controller
- *
- */
- void tft_reset();
-
- /** Write data to the LCD controller
- *
- * @param dat data written to LCD controller
- *
- */
- void wr_dat(int value);
-
- /** Write a command the LCD controller
- *
- * @param cmd: command to be written
- *
- */
- void wr_cmd(int value);
-
- /** Start data sequence to the LCD controller
- *
- */
- void wr_dat_start();
-
- /** Stop of data writing to the LCD controller
- *
- */
- void wr_dat_stop();
-
- /** write data to the LCD controller
- *
- * @param data to be written
- * *
- */
- void wr_dat_only(unsigned short dat);
-
- /** Read data from the LCD controller
- *
- * @returns data from LCD controller
- *
- */
- unsigned short rd_dat(void);
-
- /** Write a value to the to a LCD register
- *
- * @param reg register to be written
- * @param val data to be written
- */
- void wr_reg (unsigned char reg, unsigned short val);
-
- /** Read a LCD register
- *
- * @param reg register to be read
- * @returns value of the register
- */
- unsigned short rd_reg (unsigned char reg);
-
- unsigned int orientation;
- unsigned int char_x;
- unsigned int char_y;
-
-
-};
-
-#endif