aitendo SX032QVGA008 TFT(ILI9341) w/resistive Touch panel.
Revision 0:65f206d9f71f, committed 2015-04-14
- Comitter:
- king33jp
- Date:
- Tue Apr 14 05:49:05 2015 +0000
- Commit message:
- Open for my friends Yoshi
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/GraphicsDisplay.cpp Tue Apr 14 05:49:05 2015 +0000 @@ -0,0 +1,176 @@ +/* mbed GraphicsDisplay Display Library Base Class + * Copyright (c) 2007-2009 sford + * Released under the MIT License: http://mbed.org/license/mit + */ + +#include "GraphicsDisplay.h" + +const unsigned char FONT8x8[97][8] = { +0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20 +0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // ! +0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // " +0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // # +0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $ +0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // % +0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // & +0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // ' +0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // ( +0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // ) +0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // * +0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // + +0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // , +0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // - +0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // . +0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash) +0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30 +0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1 +0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2 +0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3 +0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4 +0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5 +0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6 +0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7 +0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8 +0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9 +0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // : +0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ; +0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // < +0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // = +0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // > +0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ? +0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40 +0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A +0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B +0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C +0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D +0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E +0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F +0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G +0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H +0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I +0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J +0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K +0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L +0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M +0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N +0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O +0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50 +0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q +0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R +0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S +0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T +0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U +0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V +0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W +0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X +0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y +0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z +0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [ +0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash) +0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ] +0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^ +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _ +0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60 +0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a +0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b +0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c +0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d +0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e +0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f +0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g +0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h +0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i +0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j +0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k +0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l +0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m +0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n +0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o +0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p +0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q +0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r +0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s +0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t +0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u +0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v +0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w +0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x +0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y +0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z +0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // { +0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // | +0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // } +0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~ +0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00}; // DEL + +GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name) { + foreground(0xFFFF); + background(0x0000); +} + +void GraphicsDisplay::character(int column, int row, int value) { + blitbit(column * 8, row * 8, 8, 8, (char*)&(FONT8x8[value - 0x1F][0])); +} + +void GraphicsDisplay::window(unsigned int x,unsigned int y,unsigned int w,unsigned int h) { + // current pixel location + _x = x; + _y = y; + // window settings + _x1 = x; + _x2 = x + w - 1; + _y1 = y; + _y2 = y + h - 1; +} + +void GraphicsDisplay::putp(int colour) { + // put pixel at current pixel location + pixel(_x, _y, colour); + // update pixel location based on window settings + _x++; + if(_x > _x2) { + _x = _x1; + _y++; + if(_y > _y2) { + _y = _y1; + } + } +} + +void GraphicsDisplay::fill(int x, int y, int w, int h, int colour) { + window(x, y, w, h); + for(int i=0; i<w*h; i++) { + putp(colour); + } +} + +void GraphicsDisplay::cls() { + fill(0, 0, width(), height(), _background); +} + +void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour) { + window(x, y, w, h); + for(int i=0; i<w*h; i++) { + putp(colour[i]); + } +} + +void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour) { + window(x, y, w, h); + for(int i = 0; i < w*h; i++) { + char byte = colour[i >> 3]; + int offset = i & 0x7; + int c = ((byte << offset) & 0x80) ? _foreground : _background; + putp(c); + } +} + +int GraphicsDisplay::columns() { + return width() / 8; +} + +int GraphicsDisplay::rows() { + return height() / 8; +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/GraphicsDisplay.h Tue Apr 14 05:49:05 2015 +0000 @@ -0,0 +1,55 @@ +/* mbed GraphicsDisplay Display Library Base Class + * Copyright (c) 2007-2009 sford + * Released under the MIT License: http://mbed.org/license/mit + * + * A library for providing a common base class for Graphics displays + * To port a new display, derive from this class and implement + * the constructor (setup the display), pixel (put a pixel + * at a location), width and height functions. Everything else + * (locate, printf, putc, cls, window, putp, fill, blit, blitbit) + * will come for free. You can also provide a specialised implementation + * of window and putp to speed up the results + */ + +#ifndef MBED_GRAPHICSDISPLAY_H +#define MBED_GRAPHICSDISPLAY_H + +#include "TextDisplay.h" + +class GraphicsDisplay : public TextDisplay { + +public: + + GraphicsDisplay(const char* name); + + virtual void pixel(int x, int y, int colour) = 0; + virtual int width() = 0; + virtual int height() = 0; + + virtual void window(unsigned int x,unsigned int y,unsigned int w,unsigned int h); + virtual void putp(int colour); + + virtual void cls(); + virtual void fill(int x, int y, int w, int h, int colour); + virtual void blit(int x, int y, int w, int h, const int *colour); + virtual void blitbit(int x, int y, int w, int h, const char* colour); + + virtual void character(int column, int row, int value); + virtual int columns(); + virtual int rows(); + +protected: + + // pixel location + short _x; + short _y; + + // window location + short _x1; + short _x2; + short _y1; + short _y2; + +}; + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SPI_TFT_ILI9341ext.cpp Tue Apr 14 05:49:05 2015 +0000 @@ -0,0 +1,781 @@ +/* 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 + +#include "SPI_TFT_ILI9341ext.h" +#include "mbed.h" + +#define BPP 16 // Bits per pixel + + +//extern Serial pc; +//extern DigitalOut xx; // debug !! + +SPI_TFT_ILI9341ext::SPI_TFT_ILI9341ext(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char *name) + : GraphicsDisplay(name), _spi(mosi, miso, sclk), _cs(cs), _dc(dc) +{ + orientation = 0; + char_x = 0; + _reset = reset; + tft_reset(); +} + +int SPI_TFT_ILI9341ext::width() +{ + if (orientation == 0 || orientation == 2) return 240; + else return 320; +} + + +int SPI_TFT_ILI9341ext::height() +{ + if (orientation == 0 || orientation == 2) return 320; + else return 240; +} + + +void SPI_TFT_ILI9341ext::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_ILI9341ext::wr_cmd(unsigned char cmd) +{ + _dc = 0; + _cs = 0; + _spi.write(cmd); // mbed lib + _dc = 1; +} + + + +void SPI_TFT_ILI9341ext::wr_dat(unsigned char dat) +{ + _spi.write(dat); // mbed lib +} + + + +// the ILI9341 can read - has to be implemented later +// A read will return 0 at the moment + +//unsigned short SPI_TFT_ILI9341::rd_dat (void) +//{ +// unsigned short val = 0; + + //val = _spi.write(0x73ff); /* Dummy read 1 */ + //val = _spi.write(0x0000); /* Read D8..D15 */ +// return (val); +//} + + + +// Init code based on MI0283QT datasheet + +void SPI_TFT_ILI9341ext::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 + if (_reset != NC) + { + DigitalOut rst(_reset); + rst = 0; // display reset + wait_us(50); + rst = 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_ILI9341ext::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_ILI9341ext::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_ILI9341ext::WindowMax (void) +{ + window (0, 0, width(), height()); +} + + + +void SPI_TFT_ILI9341ext::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_ILI9341ext::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_ILI9341ext::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_ILI9341ext::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_ILI9341ext::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_ILI9341ext::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_ILI9341ext::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_ILI9341ext::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_ILI9341ext::locate(int x, int y) +{ + char_x = x; + char_y = y; +} + + + +int SPI_TFT_ILI9341ext::columns() +{ + return width() / font[1]; +} + + + +int SPI_TFT_ILI9341ext::rows() +{ + return height() / font[2]; +} + + + +int SPI_TFT_ILI9341ext::_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_ILI9341ext::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); // 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_ILI9341ext::set_font(unsigned char* f) +{ + font = f; +} + + + +void SPI_TFT_ILI9341ext::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 +#if DEVICE_LOCALFILESYSTEM + +int SPI_TFT_ILI9341ext::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 + LocalFileSystem local("local"); + sprintf(&filename[0],"/local/"); + i=7; + while (*Name_BMP!='\0') { + filename[i++]=*Name_BMP++; + } + + fprintf(stderr, "filename : %s \n\r",filename); + + 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); + + +//fseek(Image, 70 ,SEEK_SET); + window(x, y,PixelWidth ,PixelHeigh); + wr_cmd(0x2C); // send pixel + _spi.format(16,3); // 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 + _spi.write(line[i]); // one 16 bit pixel + } + } + _cs = 1; + _spi.format(8,3); + free (line); + fclose(Image); + WindowMax(); + return(1); +} +#endif \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SPI_TFT_ILI9341ext.h Tue Apr 14 05:49:05 2015 +0000 @@ -0,0 +1,373 @@ +/* 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_ILI9341EXT_H +#define MBED_SPI_TFT_ILI9341EXT_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_ILI9341ext : 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_ILI9341ext(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, 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); + + /** 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 + */ + 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); + +#if DEVICE_LOCALFILESYSTEM + /** 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); +#endif + + + /** 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); + + SPI _spi; + DigitalOut _cs; + PinName _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 HX8347D 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 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 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; + + +}; + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextDisplay.cpp Tue Apr 14 05:49:05 2015 +0000 @@ -0,0 +1,77 @@ +/* mbed TextDisplay Display Library Base Class + * Copyright (c) 2007-2009 sford + * Released under the MIT License: http://mbed.org/license/mit + */ + +#include "TextDisplay.h" + +TextDisplay::TextDisplay(const char *name) : Stream(name){ + _row = 0; + _column = 0; + if (name == NULL) { + _path = NULL; + } else { + _path = new char[strlen(name) + 2]; + sprintf(_path, "/%s", name); + } +} + +int TextDisplay::_putc(int value) { + if(value == '\n') { + _column = 0; + _row++; + if(_row >= rows()) { + _row = 0; + } + } else { + character(_column, _row, value); + _column++; + if(_column >= columns()) { + _column = 0; + _row++; + if(_row >= rows()) { + _row = 0; + } + } + } + return value; +} + +// crude cls implementation, should generally be overwritten in derived class +void TextDisplay::cls() { + locate(0, 0); + for(int i=0; i<columns()*rows(); i++) { + putc(' '); + } +} + +void TextDisplay::locate(int column, int row) { + _column = column; + _row = row; +} + +int TextDisplay::_getc() { + return -1; +} + +void TextDisplay::foreground(uint16_t colour) { + _foreground = colour; +} + +void TextDisplay::background(uint16_t colour) { + _background = colour; +} + +bool TextDisplay::claim (FILE *stream) { + if ( _path == NULL) { + fprintf(stderr, "claim requires a name to be given in the instantioator of the TextDisplay instance!\r\n"); + return false; + } + if (freopen(_path, "w", stream) == NULL) { + // Failed, should not happen + return false; + } + // make sure we use line buffering + setvbuf(stdout, NULL, _IOLBF, columns()); + return true; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextDisplay.h Tue Apr 14 05:49:05 2015 +0000 @@ -0,0 +1,83 @@ +/* mbed TextDisplay Library Base Class + * Copyright (c) 2007-2009 sford + * Released under the MIT License: http://mbed.org/license/mit + * + * A common base class for Text displays + * To port a new display, derive from this class and implement + * the constructor (setup the display), character (put a character + * at a location), rows and columns (number of rows/cols) functions. + * Everything else (locate, printf, putc, cls) will come for free + * + * The model is the display will wrap at the right and bottom, so you can + * keep writing and will always get valid characters. The location is + * maintained internally to the class to make this easy + */ + +#ifndef MBED_TEXTDISPLAY_H +#define MBED_TEXTDISPLAY_H + +#include "mbed.h" + +/** + * TextDisplay interface + */ +class TextDisplay : public Stream { +public: + + /** Create a TextDisplay interface + * + * @param name The name used in the path to access the strean through the filesystem + */ + TextDisplay(const char *name = NULL); + + /** Output a character at the given position + * + * @param column column where charater must be written + * @param row where character must be written + * @param c the character to be written to the TextDisplay + */ + virtual void character(int column, int row, int c) = 0; + + /** Return number if rows on TextDisplay + * + * @result number of rows + */ + virtual int rows() = 0; + + /** Return number if columns on TextDisplay + * @result number of rows + */ + virtual int columns() = 0; + + // functions that come for free, but can be overwritten + + /** Redirect output from a stream (stoud, sterr) to display + * @param stream stream that shall be redirected to the TextDisplay + */ + virtual bool claim (FILE *stream); + + /** Clear screen + */ + virtual void cls(); + virtual void locate(int column, int row); + virtual void foreground(uint16_t colour); + virtual void background(uint16_t colour); + // putc (from Stream) + // printf (from Stream) + +protected: + + virtual int _putc(int value); + virtual int _getc(); + + // character location + uint16_t _column; + uint16_t _row; + + // colours + uint16_t _foreground; + uint16_t _background; + char *_path; +}; + +#endif