Tick Tock
Lib for the new LCD Display with ILI9341 controller supporting two displays
Dependents: CANary_9341_test CANary_9341 CANary
Fork of
SPI_TFT_ILI9341
by 
Peter Drescher
Revision 8:66cf46ec1225, committed 2014-05-12
- Comitter:
- TickTock
- Date:
- Mon May 12 00:53:43 2014 +0000
- Parent:
- 7:4c30bea883bc
- Child:
- 9:522e742e62eb
- Commit message:
- Editing to support two screens
Changed in this revision
--- a/SPI_TFT_ILI9341.cpp Sun Jan 26 20:54:21 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,813 +0,0 @@
-/* mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller
- * Copyright (c) 2013 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.
- */
-
-// 12.06.13 fork from SPI_TFT code because controller is different ...
-// 14.07.13 Test with real display and bugfix
-// 18.10.13 Better Circle function from Michael Ammann
-// 22.10.13 Fixes for Kinetis Board - 8 bit spi
-// 26.01.14 Change interface for BMP_16 to also use SD-cards
-
-#include "SPI_TFT_ILI9341.h"
-#include "mbed.h"
-
-#define BPP 16 // Bits per pixel
-
-//extern Serial pc;
-//extern DigitalOut xx; // debug !!
-
-SPI_TFT_ILI9341::SPI_TFT_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char *name)
- : _spi(mosi, miso, sclk), _cs(cs), _reset(reset), _dc(dc), GraphicsDisplay(name)
-{
- clk = sclk;
- orientation = 0;
- char_x = 0;
- tft_reset();
-}
-
-int SPI_TFT_ILI9341::width()
-{
- if (orientation == 0 || orientation == 2) return 240;
- else return 320;
-}
-
-
-int SPI_TFT_ILI9341::height()
-{
- if (orientation == 0 || orientation == 2) return 320;
- else return 240;
-}
-
-
-void SPI_TFT_ILI9341::set_orientation(unsigned int o)
-{
- orientation = o;
- wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
- switch (orientation) {
- case 0:
- _spi.write(0x48);
- break;
- case 1:
- _spi.write(0x28);
- break;
- case 2:
- _spi.write(0x88);
- break;
- case 3:
- _spi.write(0xE8);
- break;
- }
- _cs = 1;
- WindowMax();
-}
-
-
-// write command to tft register
-
-void SPI_TFT_ILI9341::wr_cmd(unsigned char cmd)
-{
- _dc = 0;
- _cs = 0;
- _spi.write(cmd); // mbed lib
- _dc = 1;
-}
-
-
-
-void SPI_TFT_ILI9341::wr_dat(unsigned char dat)
-{
- _spi.write(dat); // mbed lib
-}
-
-
-
-// the ILI9341 can read
-
-char SPI_TFT_ILI9341::rd_byte(unsigned char cmd)
-{
- char r;
- _dc = 0;
- _cs = 0;
- _spi.write(cmd); // mbed lib
- _cs = 1;
- r = _spi.write(0xff);
- _cs = 1;
- return(r);
-}
-
-// read 32 bit
-int SPI_TFT_ILI9341::rd_32(unsigned char cmd)
-{
- int d;
- char r;
- _dc = 0;
- _cs = 0;
- d = cmd;
- d = d << 1;
- _spi.format(9,3); // we have to add a dummy clock cycle
- _spi.write(d);
- _spi.format(8,3);
- _dc = 1;
- r = _spi.write(0xff);
- d = r;
- r = _spi.write(0xff);
- d = (d << 8) | r;
- r = _spi.write(0xff);
- d = (d << 8) | r;
- r = _spi.write(0xff);
- d = (d << 8) | r;
- _cs = 1;
- return(d);
-}
-
-int SPI_TFT_ILI9341::Read_ID(void){
- int r;
- r = rd_byte(0x0A);
- r = rd_byte(0x0A);
- r = rd_byte(0x0A);
- r = rd_byte(0x0A);
- return(r);
-}
-
-
-// Init code based on MI0283QT datasheet
-
-void SPI_TFT_ILI9341::tft_reset()
-{
- _spi.format(8,3); // 8 bit spi mode 3
- _spi.frequency(10000000); // 10 Mhz SPI clock
- _cs = 1; // cs high
- _dc = 1; // dc high
- _reset = 0; // display reset
-
- wait_us(50);
- _reset = 1; // end hardware reset
- wait_ms(5);
-
- wr_cmd(0x01); // SW reset
- wait_ms(5);
- wr_cmd(0x28); // display off
-
- /* Start Initial Sequence ----------------------------------------------------*/
- wr_cmd(0xCF);
- _spi.write(0x00);
- _spi.write(0x83);
- _spi.write(0x30);
- _cs = 1;
-
- wr_cmd(0xED);
- _spi.write(0x64);
- _spi.write(0x03);
- _spi.write(0x12);
- _spi.write(0x81);
- _cs = 1;
-
- wr_cmd(0xE8);
- _spi.write(0x85);
- _spi.write(0x01);
- _spi.write(0x79);
- _cs = 1;
-
- wr_cmd(0xCB);
- _spi.write(0x39);
- _spi.write(0x2C);
- _spi.write(0x00);
- _spi.write(0x34);
- _spi.write(0x02);
- _cs = 1;
-
- wr_cmd(0xF7);
- _spi.write(0x20);
- _cs = 1;
-
- wr_cmd(0xEA);
- _spi.write(0x00);
- _spi.write(0x00);
- _cs = 1;
-
- wr_cmd(0xC0); // POWER_CONTROL_1
- _spi.write(0x26);
- _cs = 1;
-
- wr_cmd(0xC1); // POWER_CONTROL_2
- _spi.write(0x11);
- _cs = 1;
-
- wr_cmd(0xC5); // VCOM_CONTROL_1
- _spi.write(0x35);
- _spi.write(0x3E);
- _cs = 1;
-
- wr_cmd(0xC7); // VCOM_CONTROL_2
- _spi.write(0xBE);
- _cs = 1;
-
- wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
- _spi.write(0x48);
- _cs = 1;
-
- wr_cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET
- _spi.write(0x55); // 16 bit pixel
- _cs = 1;
-
- wr_cmd(0xB1); // Frame Rate
- _spi.write(0x00);
- _spi.write(0x1B);
- _cs = 1;
-
- wr_cmd(0xF2); // Gamma Function Disable
- _spi.write(0x08);
- _cs = 1;
-
- wr_cmd(0x26);
- _spi.write(0x01); // gamma set for curve 01/2/04/08
- _cs = 1;
-
- wr_cmd(0xE0); // positive gamma correction
- _spi.write(0x1F);
- _spi.write(0x1A);
- _spi.write(0x18);
- _spi.write(0x0A);
- _spi.write(0x0F);
- _spi.write(0x06);
- _spi.write(0x45);
- _spi.write(0x87);
- _spi.write(0x32);
- _spi.write(0x0A);
- _spi.write(0x07);
- _spi.write(0x02);
- _spi.write(0x07);
- _spi.write(0x05);
- _spi.write(0x00);
- _cs = 1;
-
- wr_cmd(0xE1); // negativ gamma correction
- _spi.write(0x00);
- _spi.write(0x25);
- _spi.write(0x27);
- _spi.write(0x05);
- _spi.write(0x10);
- _spi.write(0x09);
- _spi.write(0x3A);
- _spi.write(0x78);
- _spi.write(0x4D);
- _spi.write(0x05);
- _spi.write(0x18);
- _spi.write(0x0D);
- _spi.write(0x38);
- _spi.write(0x3A);
- _spi.write(0x1F);
- _cs = 1;
-
- WindowMax ();
-
- //wr_cmd(0x34); // tearing effect off
- //_cs = 1;
-
- //wr_cmd(0x35); // tearing effect on
- //_cs = 1;
-
- wr_cmd(0xB7); // entry mode
- _spi.write(0x07);
- _cs = 1;
-
- wr_cmd(0xB6); // display function control
- _spi.write(0x0A);
- _spi.write(0x82);
- _spi.write(0x27);
- _spi.write(0x00);
- _cs = 1;
-
- wr_cmd(0x11); // sleep out
- _cs = 1;
-
- wait_ms(100);
-
- wr_cmd(0x29); // display on
- _cs = 1;
-
- wait_ms(100);
-
- }
-
-
-void SPI_TFT_ILI9341::pixel(int x, int y, int color)
-{
- wr_cmd(0x2A);
- _spi.write(x >> 8);
- _spi.write(x);
- _cs = 1;
- wr_cmd(0x2B);
- _spi.write(y >> 8);
- _spi.write(y);
- _cs = 1;
- wr_cmd(0x2C); // send pixel
- #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
- _spi.format(8,3);
- #endif
- _cs = 1;
-}
-
-
-void SPI_TFT_ILI9341::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h)
-{
- wr_cmd(0x2A);
- _spi.write(x >> 8);
- _spi.write(x);
- _spi.write((x+w-1) >> 8);
- _spi.write(x+w-1);
-
- _cs = 1;
- wr_cmd(0x2B);
- _spi.write(y >> 8);
- _spi.write(y);
- _spi.write((y+h-1) >> 8);
- _spi.write(y+h-1);
- _cs = 1;
-}
-
-
-void SPI_TFT_ILI9341::WindowMax (void)
-{
- window (0, 0, width(), height());
-}
-
-
-
-void SPI_TFT_ILI9341::cls (void)
-{
- int pixel = ( width() * height());
- WindowMax();
- wr_cmd(0x2C); // send pixel
- #if defined TARGET_KL25Z // 8 Bit SPI
- unsigned int i;
- for (i = 0; i < ( width() * height()); i++){
- _spi.write(_background >> 8);
- _spi.write(_background & 0xff);
- }
-
- #else
- _spi.format(16,3); // switch to 16 bit Mode 3
- unsigned int i;
- for (i = 0; i < ( width() * height()); i++)
- _spi.write(_background);
- _spi.format(8,3);
- #endif
- _cs = 1;
-}
-
-
-void SPI_TFT_ILI9341::circle(int x0, int y0, int r, int color)
-{
-
- int x = -r, y = 0, err = 2-2*r, e2;
- do {
- pixel(x0-x, y0+y,color);
- pixel(x0+x, y0+y,color);
- pixel(x0+x, y0-y,color);
- pixel(x0-x, 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 SPI_TFT_ILI9341::fillcircle(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 SPI_TFT_ILI9341::hline(int x0, int x1, int y, int color)
-{
- int w;
- w = x1 - x0 + 1;
- window(x0,y,w,1);
- wr_cmd(0x2C); // send pixel
- #if defined TARGET_KL25Z // 8 Bit SPI
- int j;
- for (j=0; j<w; j++) {
- _spi.write(color >> 8);
- _spi.write(color & 0xff);
- }
- #else
- _spi.format(16,3); // switch to 16 bit Mode 3
- int j;
- for (j=0; j<w; j++) {
- _spi.write(color);
- }
- _spi.format(8,3);
- #endif
- _cs = 1;
- WindowMax();
- return;
-}
-
-void SPI_TFT_ILI9341::vline(int x, int y0, int y1, int color)
-{
- int h;
- h = y1 - y0 + 1;
- window(x,y0,1,h);
- wr_cmd(0x2C); // send pixel
- #if defined TARGET_KL25Z // 8 Bit SPI
- for (int y=0; y<h; y++) {
- _spi.write(color >> 8);
- _spi.write(color & 0xff);
- }
- #else
- _spi.format(16,3); // switch to 16 bit Mode 3
- for (int y=0; y<h; y++) {
- _spi.write(color);
- }
- _spi.format(8,3);
- #endif
- _cs = 1;
- WindowMax();
- return;
-}
-
-
-
-void SPI_TFT_ILI9341::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 SPI_TFT_ILI9341::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 SPI_TFT_ILI9341::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); // send pixel
- #if defined TARGET_KL25Z // 8 Bit SPI
- for (int p=0; p<pixel; p++) {
- _spi.write(color >> 8);
- _spi.write(color & 0xff);
- }
- #else
- _spi.format(16,3); // switch to 16 bit Mode 3
- for (int p=0; p<pixel; p++) {
- _spi.write(color);
- }
- _spi.format(8,3);
- #endif
- _cs = 1;
- WindowMax();
- return;
-}
-
-
-void SPI_TFT_ILI9341::locate(int x, int y)
-{
- char_x = x;
- char_y = y;
-}
-
-
-
-int SPI_TFT_ILI9341::columns()
-{
- return width() / font[1];
-}
-
-
-
-int SPI_TFT_ILI9341::rows()
-{
- return height() / font[2];
-}
-
-
-
-int SPI_TFT_ILI9341::_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 SPI_TFT_ILI9341::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); // send pixel
- #ifndef TARGET_KL25Z // 16 Bit SPI
- _spi.format(16,3);
- #endif // switch to 16 bit Mode 3
- 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) {
- #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
- }
- }
- }
- _cs = 1;
- #ifndef TARGET_KL25Z // 16 Bit SPI
- _spi.format(8,3);
- #endif
- WindowMax();
- if ((w + 2) < hor) { // x offset to next char
- char_x += w + 2;
- } else char_x += hor;
-}
-
-
-void SPI_TFT_ILI9341::set_font(unsigned char* f)
-{
- font = f;
-}
-
-
-
-void SPI_TFT_ILI9341::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
-{
- unsigned int j;
- int padd;
- unsigned short *bitmap_ptr = (unsigned short *)bitmap;
- #if defined TARGET_KL25Z // 8 Bit SPI
- unsigned short pix_temp;
- #endif
-
- unsigned int i;
-
- // the lines are padded to multiple of 4 bytes in a bitmap
- padd = -1;
- do {
- padd ++;
- } while (2*(w + padd)%4 != 0);
- window(x, y, w, h);
- bitmap_ptr += ((h - 1)* (w + padd));
- wr_cmd(0x2C); // send pixel
- #ifndef TARGET_KL25Z // 16 Bit SPI
- _spi.format(16,3);
- #endif // switch to 16 bit Mode 3
- for (j = 0; j < h; j++) { //Lines
- for (i = 0; i < w; i++) { // one line
- #if defined TARGET_KL25Z // 8 Bit SPI
- pix_temp = *bitmap_ptr;
- _spi.write(pix_temp >> 8);
- _spi.write(pix_temp);
- bitmap_ptr++;
- #else
- _spi.write(*bitmap_ptr); // one line
- bitmap_ptr++;
- #endif
- }
- bitmap_ptr -= 2*w;
- bitmap_ptr -= padd;
- }
- _cs = 1;
- #ifndef TARGET_KL25Z // 16 Bit SPI
- _spi.format(8,3);
- #endif
- WindowMax();
-}
-
-
-// local filesystem is not implemented in kinetis board , but you can add a SD card
-
-int SPI_TFT_ILI9341::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP)
-{
-
-#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
- i=0;
- while (*Name_BMP!='\0') {
- filename[i++]=*Name_BMP++;
- }
- filename[i] = 0;
-
- FILE *Image = fopen((const char *)&filename[0], "rb"); // 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 (2 * PixelWidth); // we need a buffer for a line
- if (line == NULL) {
- return(-4); // error no memory
- }
-
- // the bmp 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); // send pixel
- #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
- }
- }
- _cs = 1;
- _spi.format(8,3);
- free (line);
- fclose(Image);
- WindowMax();
- return(1);
-}
--- a/SPI_TFT_ILI9341.h Sun Jan 26 20:54:21 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,402 +0,0 @@
-/* mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller
- * Copyright (c) 2013 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.
- */
-
- /* change the char position handling
- * use pixel (x,y) instadt of colum row */
-
-
-#ifndef MBED_SPI_TFT_ILI9341_H
-#define MBED_SPI_TFT_ILI9341_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
-
-
-/* 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 */
-
-
-/** Display control class, based on GraphicsDisplay and TextDisplay
- *
- * Example:
- * @code
- * #include "stdio.h"
- * #include "mbed.h"
- * #include "SPI_TFT_ILI9341.h"
- * #include "string"
- * #include "Arial12x12.h"
- * #include "Arial24x23.h"
- *
- *
- *
- * // the TFT is connected to SPI pin 5-7 and IO's 8-10
- * SPI_TFT_ILI9341 TFT(p5, p6, p7, p8, p9, p10,"TFT"); // mosi, miso, sclk, cs, reset, dc
- * If your display need a signal for switch the backlight use a aditional IO pin in your program
- *
- * int main() {
- * TFT.claim(stdout); // send stdout to the TFT display
- * //TFT.claim(stderr); // send stderr to the TFT display
- *
- * TFT.background(Black); // set background to black
- * TFT.foreground(White); // set chars to white
- * TFT.cls(); // clear the screen
- * TFT.set_font((unsigned char*) Arial12x12); // select the font
- *
- * TFT.set_orientation(0);
- * printf(" Hello Mbed 0");
- * TFT.set_font((unsigned char*) Arial24x23); // select font 2
- * TFT.locate(48,115);
- * TFT.printf("Bigger Font");
- * }
- * @endcode
- */
- class SPI_TFT_ILI9341 : public GraphicsDisplay {
- public:
-
- /** Create a SPI_TFT object connected to SPI and three pins
- *
- * @param mosi pin connected to SDO of display
- * @param miso pin connected to SDI of display
- * @param sclk pin connected to RS of display
- * @param cs pin connected to CS of display
- * @param reset pin connected to RESET of display
- * @param dc pin connected to WR of display
- * the IM pins have to be set to 1110 (3-0)
- */
- SPI_TFT_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char* name ="TFT");
-
- /** Get the width of the screen in pixel
- *
- * @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);
-
- /** 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 *
- */
- 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
- */
- 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 filesytem on the TFT (slow)
- *
- * @param x,y : position of upper left corner
- * @param *Name_BMP name of the BMP file with drive: "/local/test.bmp"
- *
- * @returns 1 if bmp file was found and painted
- * @returns 0 if bmp file was found not found
- * @returns -1 if file is no bmp
- * @returns -2 if bmp file is no 16 bit bmp
- * @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 or SD card
- */
-
- int BMP_16(unsigned int x, unsigned int y, const char *Name_BMP);
-
-
-
- /** 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)
- *
- */
- void set_orientation(unsigned int o);
-
-
- /** read out the manufacturer ID of the LCD
- * can used for checking the connection to the display
- * @returns ID
- */
- int Read_ID(void);
-
-
-
- SPI _spi;
- DigitalOut _cs;
- DigitalOut _reset;
- DigitalOut _dc;
- unsigned char* font;
-
-
-
-
-protected:
-
- /** Set draw window region to whole screen
- *
- */
- void WindowMax (void);
-
-
- /** 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);
-
-
-
- /** Init the ILI9341 controller
- *
- */
- void tft_reset();
-
- /** Write data to the LCD controller
- *
- * @param dat data written to LCD controller
- *
- */
- //void wr_dat(unsigned int value);
- void wr_dat(unsigned char value);
-
- /** Write a command the LCD controller
- *
- * @param cmd: command to be written
- *
- */
- void wr_cmd(unsigned char 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 byte from the LCD controller
- *
- * @param cmd comand to controller
- * @returns data from LCD controller
- *
- */
- char rd_byte(unsigned char cmd);
-
-
- int rd_32(unsigned char cmd);
-
-
- /** 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 char val);
-
- /** Read a LCD register
- *
- * @param reg register to be read
- * @returns value of the register
- */
- //unsigned short rd_reg (unsigned char reg);
-
- unsigned char spi_port;
- unsigned int orientation;
- unsigned int char_x;
- unsigned int char_y;
- PinName clk;
-
-
-};
-
-#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SPI_TFTx2_ILI9341.cpp Mon May 12 00:53:43 2014 +0000
@@ -0,0 +1,813 @@
+/* mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller
+ * Copyright (c) 2013 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.
+ */
+
+// 12.06.13 fork from SPI_TFTx2 code because controller is different ...
+// 14.07.13 Test with real display and bugfix
+// 18.10.13 Better Circle function from Michael Ammann
+// 22.10.13 Fixes for Kinetis Board - 8 bit spi
+// 26.01.14 Change interface for BMP_16 to also use SD-cards
+
+#include "SPI_TFTx2_ILI9341.h"
+#include "mbed.h"
+
+#define BPP 16 // Bits per pixel
+
+//extern Serial pc;
+//extern DigitalOut xx; // debug !!
+
+SPI_TFTx2_ILI9341::SPI_TFTx2_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char *name)
+ : _spi(mosi, miso, sclk), _cs(cs), _reset(reset), _dc(dc), GraphicsDisplay(name)
+{
+ clk = sclk;
+ orientation = 0;
+ char_x = 0;
+ tft_reset();
+}
+
+int SPI_TFTx2_ILI9341::width()
+{
+ if (orientation == 0 || orientation == 2) return 240;
+ else return 320;
+}
+
+
+int SPI_TFTx2_ILI9341::height()
+{
+ if (orientation == 0 || orientation == 2) return 320;
+ else return 240;
+}
+
+
+void SPI_TFTx2_ILI9341::set_orientation(unsigned int o)
+{
+ orientation = o;
+ wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
+ switch (orientation) {
+ case 0:
+ _spi.write(0x48);
+ break;
+ case 1:
+ _spi.write(0x28);
+ break;
+ case 2:
+ _spi.write(0x88);
+ break;
+ case 3:
+ _spi.write(0xE8);
+ break;
+ }
+ _cs = 1;
+ WindowMax();
+}
+
+
+// write command to tft register
+
+void SPI_TFTx2_ILI9341::wr_cmd(unsigned char cmd)
+{
+ _dc = 0;
+ _cs = 0;
+ _spi.write(cmd); // mbed lib
+ _dc = 1;
+}
+
+
+
+void SPI_TFTx2_ILI9341::wr_dat(unsigned char dat)
+{
+ _spi.write(dat); // mbed lib
+}
+
+
+
+// the ILI9341 can read
+
+char SPI_TFTx2_ILI9341::rd_byte(unsigned char cmd)
+{
+ char r;
+ _dc = 0;
+ _cs = 0;
+ _spi.write(cmd); // mbed lib
+ _cs = 1;
+ r = _spi.write(0xff);
+ _cs = 1;
+ return(r);
+}
+
+// read 32 bit
+int SPI_TFTx2_ILI9341::rd_32(unsigned char cmd)
+{
+ int d;
+ char r;
+ _dc = 0;
+ _cs = 0;
+ d = cmd;
+ d = d << 1;
+ _spi.format(9,3); // we have to add a dummy clock cycle
+ _spi.write(d);
+ _spi.format(8,3);
+ _dc = 1;
+ r = _spi.write(0xff);
+ d = r;
+ r = _spi.write(0xff);
+ d = (d << 8) | r;
+ r = _spi.write(0xff);
+ d = (d << 8) | r;
+ r = _spi.write(0xff);
+ d = (d << 8) | r;
+ _cs = 1;
+ return(d);
+}
+
+int SPI_TFTx2_ILI9341::Read_ID(void){
+ int r;
+ r = rd_byte(0x0A);
+ r = rd_byte(0x0A);
+ r = rd_byte(0x0A);
+ r = rd_byte(0x0A);
+ return(r);
+}
+
+
+// Init code based on MI0283QT datasheet
+
+void SPI_TFTx2_ILI9341::tft_reset()
+{
+ _spi.format(8,3); // 8 bit spi mode 3
+ _spi.frequency(10000000); // 10 Mhz SPI clock
+ _cs = 1; // cs high
+ _dc = 1; // dc high
+ _reset = 0; // display reset
+
+ wait_us(50);
+ _reset = 1; // end hardware reset
+ wait_ms(5);
+
+ wr_cmd(0x01); // SW reset
+ wait_ms(5);
+ wr_cmd(0x28); // display off
+
+ /* Start Initial Sequence ----------------------------------------------------*/
+ wr_cmd(0xCF);
+ _spi.write(0x00);
+ _spi.write(0x83);
+ _spi.write(0x30);
+ _cs = 1;
+
+ wr_cmd(0xED);
+ _spi.write(0x64);
+ _spi.write(0x03);
+ _spi.write(0x12);
+ _spi.write(0x81);
+ _cs = 1;
+
+ wr_cmd(0xE8);
+ _spi.write(0x85);
+ _spi.write(0x01);
+ _spi.write(0x79);
+ _cs = 1;
+
+ wr_cmd(0xCB);
+ _spi.write(0x39);
+ _spi.write(0x2C);
+ _spi.write(0x00);
+ _spi.write(0x34);
+ _spi.write(0x02);
+ _cs = 1;
+
+ wr_cmd(0xF7);
+ _spi.write(0x20);
+ _cs = 1;
+
+ wr_cmd(0xEA);
+ _spi.write(0x00);
+ _spi.write(0x00);
+ _cs = 1;
+
+ wr_cmd(0xC0); // POWER_CONTROL_1
+ _spi.write(0x26);
+ _cs = 1;
+
+ wr_cmd(0xC1); // POWER_CONTROL_2
+ _spi.write(0x11);
+ _cs = 1;
+
+ wr_cmd(0xC5); // VCOM_CONTROL_1
+ _spi.write(0x35);
+ _spi.write(0x3E);
+ _cs = 1;
+
+ wr_cmd(0xC7); // VCOM_CONTROL_2
+ _spi.write(0xBE);
+ _cs = 1;
+
+ wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
+ _spi.write(0x48);
+ _cs = 1;
+
+ wr_cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET
+ _spi.write(0x55); // 16 bit pixel
+ _cs = 1;
+
+ wr_cmd(0xB1); // Frame Rate
+ _spi.write(0x00);
+ _spi.write(0x1B);
+ _cs = 1;
+
+ wr_cmd(0xF2); // Gamma Function Disable
+ _spi.write(0x08);
+ _cs = 1;
+
+ wr_cmd(0x26);
+ _spi.write(0x01); // gamma set for curve 01/2/04/08
+ _cs = 1;
+
+ wr_cmd(0xE0); // positive gamma correction
+ _spi.write(0x1F);
+ _spi.write(0x1A);
+ _spi.write(0x18);
+ _spi.write(0x0A);
+ _spi.write(0x0F);
+ _spi.write(0x06);
+ _spi.write(0x45);
+ _spi.write(0x87);
+ _spi.write(0x32);
+ _spi.write(0x0A);
+ _spi.write(0x07);
+ _spi.write(0x02);
+ _spi.write(0x07);
+ _spi.write(0x05);
+ _spi.write(0x00);
+ _cs = 1;
+
+ wr_cmd(0xE1); // negativ gamma correction
+ _spi.write(0x00);
+ _spi.write(0x25);
+ _spi.write(0x27);
+ _spi.write(0x05);
+ _spi.write(0x10);
+ _spi.write(0x09);
+ _spi.write(0x3A);
+ _spi.write(0x78);
+ _spi.write(0x4D);
+ _spi.write(0x05);
+ _spi.write(0x18);
+ _spi.write(0x0D);
+ _spi.write(0x38);
+ _spi.write(0x3A);
+ _spi.write(0x1F);
+ _cs = 1;
+
+ WindowMax ();
+
+ //wr_cmd(0x34); // tearing effect off
+ //_cs = 1;
+
+ //wr_cmd(0x35); // tearing effect on
+ //_cs = 1;
+
+ wr_cmd(0xB7); // entry mode
+ _spi.write(0x07);
+ _cs = 1;
+
+ wr_cmd(0xB6); // display function control
+ _spi.write(0x0A);
+ _spi.write(0x82);
+ _spi.write(0x27);
+ _spi.write(0x00);
+ _cs = 1;
+
+ wr_cmd(0x11); // sleep out
+ _cs = 1;
+
+ wait_ms(100);
+
+ wr_cmd(0x29); // display on
+ _cs = 1;
+
+ wait_ms(100);
+
+ }
+
+
+void SPI_TFTx2_ILI9341::pixel(int x, int y, int color)
+{
+ wr_cmd(0x2A);
+ _spi.write(x >> 8);
+ _spi.write(x);
+ _cs = 1;
+ wr_cmd(0x2B);
+ _spi.write(y >> 8);
+ _spi.write(y);
+ _cs = 1;
+ wr_cmd(0x2C); // send pixel
+ #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
+ _spi.format(8,3);
+ #endif
+ _cs = 1;
+}
+
+
+void SPI_TFTx2_ILI9341::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h)
+{
+ wr_cmd(0x2A);
+ _spi.write(x >> 8);
+ _spi.write(x);
+ _spi.write((x+w-1) >> 8);
+ _spi.write(x+w-1);
+
+ _cs = 1;
+ wr_cmd(0x2B);
+ _spi.write(y >> 8);
+ _spi.write(y);
+ _spi.write((y+h-1) >> 8);
+ _spi.write(y+h-1);
+ _cs = 1;
+}
+
+
+void SPI_TFTx2_ILI9341::WindowMax (void)
+{
+ window (0, 0, width(), height());
+}
+
+
+
+void SPI_TFTx2_ILI9341::cls (void)
+{
+ int pixel = ( width() * height());
+ WindowMax();
+ wr_cmd(0x2C); // send pixel
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ unsigned int i;
+ for (i = 0; i < ( width() * height()); i++){
+ _spi.write(_background >> 8);
+ _spi.write(_background & 0xff);
+ }
+
+ #else
+ _spi.format(16,3); // switch to 16 bit Mode 3
+ unsigned int i;
+ for (i = 0; i < ( width() * height()); i++)
+ _spi.write(_background);
+ _spi.format(8,3);
+ #endif
+ _cs = 1;
+}
+
+
+void SPI_TFTx2_ILI9341::circle(int x0, int y0, int r, int color)
+{
+
+ int x = -r, y = 0, err = 2-2*r, e2;
+ do {
+ pixel(x0-x, y0+y,color);
+ pixel(x0+x, y0+y,color);
+ pixel(x0+x, y0-y,color);
+ pixel(x0-x, 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 SPI_TFTx2_ILI9341::fillcircle(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 SPI_TFTx2_ILI9341::hline(int x0, int x1, int y, int color)
+{
+ int w;
+ w = x1 - x0 + 1;
+ window(x0,y,w,1);
+ wr_cmd(0x2C); // send pixel
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ int j;
+ for (j=0; j<w; j++) {
+ _spi.write(color >> 8);
+ _spi.write(color & 0xff);
+ }
+ #else
+ _spi.format(16,3); // switch to 16 bit Mode 3
+ int j;
+ for (j=0; j<w; j++) {
+ _spi.write(color);
+ }
+ _spi.format(8,3);
+ #endif
+ _cs = 1;
+ WindowMax();
+ return;
+}
+
+void SPI_TFTx2_ILI9341::vline(int x, int y0, int y1, int color)
+{
+ int h;
+ h = y1 - y0 + 1;
+ window(x,y0,1,h);
+ wr_cmd(0x2C); // send pixel
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ for (int y=0; y<h; y++) {
+ _spi.write(color >> 8);
+ _spi.write(color & 0xff);
+ }
+ #else
+ _spi.format(16,3); // switch to 16 bit Mode 3
+ for (int y=0; y<h; y++) {
+ _spi.write(color);
+ }
+ _spi.format(8,3);
+ #endif
+ _cs = 1;
+ WindowMax();
+ return;
+}
+
+
+
+void SPI_TFTx2_ILI9341::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 SPI_TFTx2_ILI9341::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 SPI_TFTx2_ILI9341::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); // send pixel
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ for (int p=0; p<pixel; p++) {
+ _spi.write(color >> 8);
+ _spi.write(color & 0xff);
+ }
+ #else
+ _spi.format(16,3); // switch to 16 bit Mode 3
+ for (int p=0; p<pixel; p++) {
+ _spi.write(color);
+ }
+ _spi.format(8,3);
+ #endif
+ _cs = 1;
+ WindowMax();
+ return;
+}
+
+
+void SPI_TFTx2_ILI9341::locate(int x, int y)
+{
+ char_x = x;
+ char_y = y;
+}
+
+
+
+int SPI_TFTx2_ILI9341::columns()
+{
+ return width() / font[1];
+}
+
+
+
+int SPI_TFTx2_ILI9341::rows()
+{
+ return height() / font[2];
+}
+
+
+
+int SPI_TFTx2_ILI9341::_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 SPI_TFTx2_ILI9341::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); // send pixel
+ #ifndef TARGET_KL25Z // 16 Bit SPI
+ _spi.format(16,3);
+ #endif // switch to 16 bit Mode 3
+ 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) {
+ #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
+ }
+ }
+ }
+ _cs = 1;
+ #ifndef TARGET_KL25Z // 16 Bit SPI
+ _spi.format(8,3);
+ #endif
+ WindowMax();
+ if ((w + 2) < hor) { // x offset to next char
+ char_x += w + 2;
+ } else char_x += hor;
+}
+
+
+void SPI_TFTx2_ILI9341::set_font(unsigned char* f)
+{
+ font = f;
+}
+
+
+
+void SPI_TFTx2_ILI9341::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
+{
+ unsigned int j;
+ int padd;
+ unsigned short *bitmap_ptr = (unsigned short *)bitmap;
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ unsigned short pix_temp;
+ #endif
+
+ unsigned int i;
+
+ // the lines are padded to multiple of 4 bytes in a bitmap
+ padd = -1;
+ do {
+ padd ++;
+ } while (2*(w + padd)%4 != 0);
+ window(x, y, w, h);
+ bitmap_ptr += ((h - 1)* (w + padd));
+ wr_cmd(0x2C); // send pixel
+ #ifndef TARGET_KL25Z // 16 Bit SPI
+ _spi.format(16,3);
+ #endif // switch to 16 bit Mode 3
+ for (j = 0; j < h; j++) { //Lines
+ for (i = 0; i < w; i++) { // one line
+ #if defined TARGET_KL25Z // 8 Bit SPI
+ pix_temp = *bitmap_ptr;
+ _spi.write(pix_temp >> 8);
+ _spi.write(pix_temp);
+ bitmap_ptr++;
+ #else
+ _spi.write(*bitmap_ptr); // one line
+ bitmap_ptr++;
+ #endif
+ }
+ bitmap_ptr -= 2*w;
+ bitmap_ptr -= padd;
+ }
+ _cs = 1;
+ #ifndef TARGET_KL25Z // 16 Bit SPI
+ _spi.format(8,3);
+ #endif
+ WindowMax();
+}
+
+
+// local filesystem is not implemented in kinetis board , but you can add a SD card
+
+int SPI_TFTx2_ILI9341::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP)
+{
+
+#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
+ i=0;
+ while (*Name_BMP!='\0') {
+ filename[i++]=*Name_BMP++;
+ }
+ filename[i] = 0;
+
+ FILE *Image = fopen((const char *)&filename[0], "rb"); // 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 (2 * PixelWidth); // we need a buffer for a line
+ if (line == NULL) {
+ return(-4); // error no memory
+ }
+
+ // the bmp 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); // send pixel
+ #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
+ }
+ }
+ _cs = 1;
+ _spi.format(8,3);
+ free (line);
+ fclose(Image);
+ WindowMax();
+ return(1);
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SPI_TFTx2_ILI9341.h Mon May 12 00:53:43 2014 +0000
@@ -0,0 +1,402 @@
+/* mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller
+ * Copyright (c) 2013 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.
+ */
+
+ /* change the char position handling
+ * use pixel (x,y) instadt of colum row */
+
+
+#ifndef MBED_SPI_TFTx2_ILI9341_H
+#define MBED_SPI_TFTx2_ILI9341_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
+
+
+/* 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 */
+
+
+/** Display control class, based on GraphicsDisplay and TextDisplay
+ *
+ * Example:
+ * @code
+ * #include "stdio.h"
+ * #include "mbed.h"
+ * #include "SPI_TFTx2_ILI9341.h"
+ * #include "string"
+ * #include "Arial12x12.h"
+ * #include "Arial24x23.h"
+ *
+ *
+ *
+ * // the TFT is connected to SPI pin 5-7 and IO's 8-10
+ * SPI_TFTx2_ILI9341 TFT(p5, p6, p7, p8, p9, p10,"TFT"); // mosi, miso, sclk, cs, reset, dc
+ * If your display need a signal for switch the backlight use a aditional IO pin in your program
+ *
+ * int main() {
+ * TFT.claim(stdout); // send stdout to the TFT display
+ * //TFT.claim(stderr); // send stderr to the TFT display
+ *
+ * TFT.background(Black); // set background to black
+ * TFT.foreground(White); // set chars to white
+ * TFT.cls(); // clear the screen
+ * TFT.set_font((unsigned char*) Arial12x12); // select the font
+ *
+ * TFT.set_orientation(0);
+ * printf(" Hello Mbed 0");
+ * TFT.set_font((unsigned char*) Arial24x23); // select font 2
+ * TFT.locate(48,115);
+ * TFT.printf("Bigger Font");
+ * }
+ * @endcode
+ */
+ class SPI_TFTx2_ILI9341 : public GraphicsDisplay {
+ public:
+
+ /** Create a SPI_TFTx2 object connected to SPI and three pins
+ *
+ * @param mosi pin connected to SDO of display
+ * @param miso pin connected to SDI of display
+ * @param sclk pin connected to RS of display
+ * @param cs pin connected to CS of display
+ * @param reset pin connected to RESET of display
+ * @param dc pin connected to WR of display
+ * the IM pins have to be set to 1110 (3-0)
+ */
+ SPI_TFTx2_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char* name ="TFT");
+
+ /** Get the width of the screen in pixel
+ *
+ * @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);
+
+ /** 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 *
+ */
+ 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
+ */
+ 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 filesytem on the TFT (slow)
+ *
+ * @param x,y : position of upper left corner
+ * @param *Name_BMP name of the BMP file with drive: "/local/test.bmp"
+ *
+ * @returns 1 if bmp file was found and painted
+ * @returns 0 if bmp file was found not found
+ * @returns -1 if file is no bmp
+ * @returns -2 if bmp file is no 16 bit bmp
+ * @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 or SD card
+ */
+
+ int BMP_16(unsigned int x, unsigned int y, const char *Name_BMP);
+
+
+
+ /** 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)
+ *
+ */
+ void set_orientation(unsigned int o);
+
+
+ /** read out the manufacturer ID of the LCD
+ * can used for checking the connection to the display
+ * @returns ID
+ */
+ int Read_ID(void);
+
+
+
+ SPI _spi;
+ DigitalOut _cs;
+ DigitalOut _reset;
+ DigitalOut _dc;
+ unsigned char* font;
+
+
+
+
+protected:
+
+ /** Set draw window region to whole screen
+ *
+ */
+ void WindowMax (void);
+
+
+ /** 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);
+
+
+
+ /** Init the ILI9341 controller
+ *
+ */
+ void tft_reset();
+
+ /** Write data to the LCD controller
+ *
+ * @param dat data written to LCD controller
+ *
+ */
+ //void wr_dat(unsigned int value);
+ void wr_dat(unsigned char value);
+
+ /** Write a command the LCD controller
+ *
+ * @param cmd: command to be written
+ *
+ */
+ void wr_cmd(unsigned char 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 byte from the LCD controller
+ *
+ * @param cmd comand to controller
+ * @returns data from LCD controller
+ *
+ */
+ char rd_byte(unsigned char cmd);
+
+
+ int rd_32(unsigned char cmd);
+
+
+ /** 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 char val);
+
+ /** Read a LCD register
+ *
+ * @param reg register to be read
+ * @returns value of the register
+ */
+ //unsigned short rd_reg (unsigned char reg);
+
+ unsigned char spi_port;
+ unsigned int orientation;
+ unsigned int char_x;
+ unsigned int char_y;
+ PinName clk;
+
+
+};
+
+#endif