![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
TFT Touch base
Fork of TFT_test_NUCLEO-F411RE by
Diff: main.cpp
- Revision:
- 0:cd5e3d371b54
- Child:
- 1:0a7005226e61
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Nov 19 13:34:57 2015 +0000 @@ -0,0 +1,253 @@ +/* mbed main.cpp to test adafruit 2.8" TFT LCD shiled w Touchscreen + * Copyright (c) 2014, 2015 Motoo Tanaka @ Design Methodology Lab + * + * 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. + */ + + /* + * Note: This program is derived from the SeeeStudioTFTv2 program. + * Although both program share same ILI9341 TFT driver, + * the touch sensor was not same with the Display I purchased from Akizuki. + * http://akizukidenshi.com/catalog/g/gM-07747/ + * The touch sensor on the display is STMPE610, + * so I hacked the minimum spi driver for it (polling mode only). + */ + +#include "mbed.h" +#include <math.h> +#include "ILI9341.h" +#include "SPI_STMPE610.h" +#include "Arial12x12.h" +#include "Arial24x23.h" +#include "Arial28x28.h" +#include "Arial43x48_numb.h" + +#define PIN_MOSI PA_7 +#define PIN_MISO PA_6 +#define PIN_SCLK PA_5 +#define PIN_CS_TFT PB_6 +#define PIN_DC_TFT PC_7 +#define PIN_BL_TFT PA_8 +#define PIN_CS_SD PB_5 +#define PIN_CS_TSC PA_9 +#define PIN_TSC_INTR PA_8 +#define PIN_RESET_TFT PC_13 /* place holder */ +#define DEVICE_NAME "F411RE" + +#ifndef TARGET_NECLEO_F411RE +#define TARGET_NECLEO_F411RE +#endif + + +DigitalOut backlight(PB_3) ; +DigitalOut tsc_cs(PA_9, 1) ; +DigitalOut tft_cs(PB_6, 1) ; + +ILI9341 TFT(SPI_8, 10000000, + PIN_MOSI, PIN_MISO, PIN_SCLK, + PIN_CS_TFT, PIN_RESET_TFT, PIN_DC_TFT, "Adafruit2.8") ; +SPI_STMPE610 TSC(PIN_MOSI, PIN_MISO, PIN_SCLK, PIN_CS_TSC) ; + +int page = 0 ; +int numPage = 2 ; + +void initTFT(void) +{ + //Configure the display driver + TFT.BusEnable(true) ; + TFT.FastWindow(true) ; + TFT.background(Black); + TFT.foreground(White); + wait(0.01) ; + TFT.cls(); + TFT.BusEnable(false) ; +} + +void screen1(void) // Welcome Screen +{ + TFT.BusEnable(true) ; + backlight = 0 ; + TFT.background(White) ; + wait(0.1) ; + TFT.cls() ; + wait(0.1) ; + + TFT.set_font((unsigned char*) Arial24x23); + TFT.foreground(Red) ; + TFT.locate(80, 40) ; + TFT.printf("MBED") ; + TFT.foreground(Blue); + TFT.locate(60, 80) ; + TFT.printf("2.8\"TFT") ; + TFT.locate(40, 120) ; + TFT.printf("with touch") ; + TFT.foreground(Black); + TFT.set_font((unsigned char*) Arial12x12); + TFT.foreground(Blue) ; + TFT.locate(30, 180) ; + TFT.printf("This program is running on") ; + TFT.locate(30, 200) ; + TFT.printf("ST Nucleo F411RE with") ; + TFT.locate(30, 220) ; + TFT.printf("a program developed in mbed") ; + TFT.foreground(Green) ; + TFT.locate(30, 260) ; + TFT.printf("To advance demo page, touch") ; + TFT.locate(30, 280) ; + TFT.printf("and hold right side of screen") ; + TFT.locate(30, 300) ; + TFT.printf("until the next screen starts") ; + TFT.BusEnable(false) ; + backlight = 1 ; +} + +void screen2(void) // Graphics +{ + //Draw some graphics + int i, x[2], y[2] ; + backlight = 0 ; + TFT.BusEnable(true) ; + TFT.background(Black); + wait(0.1) ; + TFT.foreground(White); + wait(0.1) ; + TFT.cls() ; + wait(0.1) ; + TFT.set_font((unsigned char*) Arial12x12); + TFT.locate(90,0); + TFT.printf("Graphics"); + + x[0] = 25 ; x[1] = 224 ; + y[0] = 20 ; y[1] = 219 ; + for (i = 20 ; i < 220 ; i += 10) { + TFT.line(i+5, y[0], i+5, y[1], Blue) ; + TFT.line(x[0], i, x[1], i, Blue) ; + } + TFT.line(125, y[0], 125, y[1], Green) ; + TFT.line(x[0], 120, x[1], 120, Green) ; + TFT.rect(x[0],y[0], x[1], y[1], Green) ; + TFT.locate(10, 20) ; + TFT.printf("V") ; + TFT.locate(0, 115) ; + TFT.printf("0.0") ; + TFT.locate(115, 225) ; + TFT.printf("0.0") ; + TFT.locate(215, 225) ; + TFT.printf("T") ; + + double s; + for (int i = x[0]; i < 225; i++) { + s = 40 * sin((long double)i / 20); + TFT.pixel(i, 120 + (int)s, White); + } + + TFT.fillrect(10, 240, 229, 309, White) ; + TFT.rect(10, 240, 229, 309, Red) ; + TFT.rect(11, 241, 228, 308, Red) ; + + TFT.background(White) ; + TFT.foreground(Black) ; + TFT.locate(20, 250) ; + TFT.printf("With QVGA resolution") ; + TFT.locate(20, 270) ; + TFT.printf("simple graphics drawing") ; + TFT.locate(20, 290) ; + TFT.printf("capability is provided") ; + TFT.BusEnable(false) ; + backlight = 1 ; +} + +double clip(double src) +{ + double value ; + value = src ; + if (value < 0.0) { + value = 0.0 ; + } else if (value > 2.0) { + value = 2.0 ; + } + return( value ) ; +} + +void incPage(void) +{ + page++ ; + if (page >= numPage) { + page = 0 ; + } +} + +void decPage(void) +{ + page-- ; + if (page < 0) { + page = numPage - 1 ; + } +} + +int main() +{ + uint16_t x, y, z ; + int prevPage = 99 ; + bool waitTouch = false ; + + printf("Hello World\n") ; + + tsc_cs = 1 ; + tft_cs = 0 ; + initTFT() ; + tft_cs = 1 ; + + tsc_cs = 0 ; + TSC.spi_format(8, 1) ; // for Nucleo F411RE + tsc_cs = 1 ; + + // screen0() ; + + printf("Program Started!\n\r") ; + + for(;;) { +// printf("TFT width = %d, height = %d\n\r", TFT.width(), TFT.height()) ; + tft_cs = 0 ; + switch(page) { + case 0: + if (prevPage != page) { + screen1() ; + } + waitTouch = true ; + break ; + case 1: + if (prevPage != page) { + screen2() ; + } + waitTouch = true ; + break ; + default: + page = 0 ; + break ; + } + prevPage = page ; + + tft_cs = 1 ; + do { + tsc_cs = 0 ; + TSC.getRAWPoint(&x, &y, &z) ; + if ((x != 0)||(y != 0) || (z != 0)) { + if (x < 1000) { // left + decPage() ; + } else if (x > 3000) { // right + incPage() ; + } + waitTouch = false ; + } + tsc_cs = 1 ; + } while(waitTouch != false) ; + // wait(1) ; + } +}