Sérgio Natan
teste
Diff: ST7735_TFT.cpp
- Revision:
- 0:cf17b1f16335
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ST7735_TFT.cpp Tue Oct 24 20:12:54 2017 +0000
@@ -0,0 +1,698 @@
+ // ST7735 8 Bit SPI Library
+
+
+#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)
+ : GraphicsDisplay(name),_spi(mosi, miso, sclk), _cs(cs), _rs(rs), _reset(reset)
+ {
+ 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() {
+ // init SPI
+ _spi.format(8,3); // 8 bit spi mode 3
+ _spi.frequency(15000000); // 16Mhz SPI clock ... 15Mhz is maximum for display, but it seems to work
+ _cs = 0;
+ _reset = 1; // reset
+ wait_ms(10);
+ _reset = 0; // reset
+ wait_ms(10);
+ _reset = 1; // reset
+ wait_ms(10);
+
+ /* 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);
+ _rs = 1;
+ _cs = 0;
+ _spi.write(color);
+ _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
+ 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
+ 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();
+ for (i = 0; i < ( (width()) * (height())); i++) {
+
+ //_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) {
+ 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);
+ _spi.fastWrite(color>>8);
+ _spi.fastWrite(color);
+ }
+ _spi.clearRX();
+ 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);
+ _spi.fastWrite(color>>8);
+ _spi.fastWrite(color);
+ }
+ _spi.clearRX();
+ 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 ;
+ int w = x1 - x0 ;
+ 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);
+ _spi.fastWrite(color>>8);
+ _spi.fastWrite(color);
+
+
+ }
+ _spi.clearRX();
+ 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* sign;
+ 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();
+ sign = &font[((c -32) * offset) + 4]; // start of char bitmap
+ w = sign[0]; // width of actual char
+ for (j=0; j<vert; j++) { // vert line
+ 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>>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;
+ } 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);
+ _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) {
+// 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"); not working on FRDM-KL25Z
+ 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();
+ 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]); // 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);
+ return(1);
+}
\ No newline at end of file