Sample TFT to KL25Z program.
Dependencies: SPI_STMPE610 TFT_fonts UniGraphic mbed
Fork of TFT_test_frdm-kl25z by
Diff: main.cpp
- Revision:
- 0:6b8a2d4c88b3
- Child:
- 1:39218b891bf3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Oct 31 01:16:01 2014 +0000 @@ -0,0 +1,297 @@ +/* mbed main.cpp to test adafruit 2.8" TFT LCD shiled w Touchscreen + * Copyright (c) 2014 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. + */ + +#include "mbed.h" +#include "MMA8451Q.h" +#include <math.h> +#include "SPI_TFT_ILI9341.h" +#include "SPI_STMPE610.h" +#include "Arial12x12.h" +#include "Arial24x23.h" +#include "Arial28x28.h" +#include "font_big.h" + + +#define PIN_XP PTB3 +#define PIN_XM PTB1 +#define PIN_YP PTB2 +#define PIN_YM PTB0 +#define PIN_MOSI PTD2 +#define PIN_MISO PTD3 +#define PIN_SCLK PTD1 +#define PIN_CS_TFT PTD0 +#define PIN_DC_TFT PTD5 +#define PIN_BL_TFT PTC9 +#define PIN_CS_SD PTA4 +#define PIN_CS_TSC PTA13 +#define PIN_TSC_INTR PTC9 + +#define MMA8451_I2C_ADDRESS (0x1d<<1) +MMA8451Q *acc = 0 ; + +// SPI_TFT_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char* name ="TFT"); +SPI_TFT_ILI9341 TFT(PIN_MOSI, PIN_MISO, PIN_SCLK, PIN_CS_TFT, PIN_BL_TFT, PIN_DC_TFT) ; +SPI_STMPE610 TSC(PIN_MOSI, PIN_MISO, PIN_SCLK, PIN_CS_TSC) ; + +DigitalOut backlight(PTA12) ; +DigitalIn pinD7(PTC9) ; + +int page = 0 ; +int numPage = 3 ; + +void initTFT(void) +{ + //Configure the display driver + TFT.background(Black); + TFT.foreground(White); + wait(0.01) ; + TFT.cls(); +} + +void screen1(void) // Welcome Screen +{ + backlight = 0 ; + TFT.background(White) ; + 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(10, 180) ; + TFT.printf("This program is running on") ; + TFT.locate(10, 200) ; + TFT.printf("freescale FRDM-KL25Z with") ; + TFT.locate(10, 220) ; + TFT.printf("a program developed on mbed") ; + TFT.foreground(Green) ; + TFT.locate(10, 260) ; + TFT.printf("To advance demo page, touch") ; + TFT.locate(10, 280) ; + TFT.printf("and hold right side of screen") ; + TFT.locate(10, 300) ; + TFT.printf("until the next screen starts") ; + backlight = 1 ; +} + +void screen2(void) // Graphics +{ + //Draw some graphics + int i, x[2], y[2] ; + backlight = 0 ; + + TFT.background(Black); + TFT.foreground(White); + TFT.cls() ; + 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") ; + 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 screen3(void) +{ + int t = 0 ; + int pt = 0 ; // previous t + int i, x, y ; + unsigned int data[3] ; // for x, y, z + unsigned int prev[3] ; + unsigned short signalHeight = 39 ; + unsigned short xoffset = 30 ; + unsigned short yoffset = 120 ; + unsigned short zoffset = 210 ; + unsigned short paneX[2] = {20, 235} ; + unsigned short paneH = 81 ; + + backlight = 0 ; + TFT.background(Black) ; + TFT.foreground(White) ; +// TFT.cls() ; + + + TFT.fillrect(paneX[0], xoffset, paneX[1], xoffset+paneH, Black) ; + TFT.fillrect(paneX[0], yoffset, paneX[1], yoffset+paneH, Black) ; + TFT.fillrect(paneX[0], zoffset, paneX[1], zoffset+paneH, Black) ; + TFT.fillrect(paneX[0], xoffset, paneX[1], xoffset+paneH, Black) ; + for (i = 0 ; i < 10 ; i++ ) { + y = i * 8 ; + TFT.line(paneX[0], xoffset + y, paneX[1], xoffset + y, Blue) ; + TFT.line(paneX[0], yoffset + y, paneX[1], yoffset + y, Blue) ; + TFT.line(paneX[0], zoffset + y, paneX[1], zoffset + y, Blue) ; + } + for (x = 30 ; x < paneX[1] ; x += 10 ) { + TFT.line(x, xoffset, x, xoffset+paneH, Blue) ; + TFT.line(x, yoffset, x, yoffset+paneH, Blue) ; + TFT.line(x, zoffset, x, zoffset+paneH, Blue) ; + } + TFT.rect(paneX[0], xoffset, paneX[1], xoffset+paneH, White) ; + TFT.rect(paneX[0], yoffset, paneX[1], yoffset+paneH, White) ; + TFT.rect(paneX[0], zoffset, paneX[1], zoffset+paneH, White) ; + TFT.set_font((unsigned char*) Arial12x12); + TFT.locate(5, xoffset+30) ; + TFT.printf("X") ; + TFT.locate(5, yoffset+30) ; + TFT.printf("Y") ; + TFT.locate(5, zoffset+30) ; + TFT.printf("Z") ; + TFT.locate(50, 10) ; + TFT.printf("Xtrinsic Accelerometer") ; + TFT.locate(90, 300) ; + TFT.printf("MMA8451Q") ; + + prev[0] = xoffset + (signalHeight * clip((1.0 + acc->getAccX()))) ; + prev[1] = yoffset + (signalHeight * clip((1.0 + acc->getAccY()))) ; + prev[2] = zoffset + (signalHeight * clip((1.0 + acc->getAccZ()))) ; + pt = paneX[0] ; + backlight = 1 ; + for(t = 21 ; t < paneX[1] ; t++) { + data[0] = xoffset + (signalHeight * clip((1.0 + acc->getAccX()))) ; + data[1] = yoffset + (signalHeight * clip((1.0 + acc->getAccY()))) ; + data[2] = zoffset + (signalHeight * clip((1.0 + acc->getAccZ()))) ; + TFT.line(pt, prev[0], t, data[0], Red) ; + TFT.line(pt, prev[1], t, data[1], Green) ; + TFT.line(pt, prev[2], t, data[2], Yellow) ; + prev[0] = data[0] ; + prev[1] = data[1] ; + prev[2] = data[2] ; + pt = t ; + wait(0.01) ; + } +} + +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 = 0 ; + + acc = new MMA8451Q(PTE25, PTE24, MMA8451_I2C_ADDRESS) ; + + initTFT() ; + + screen1() ; + + printf("Program Started!\n\r") ; + + for(;;) { +// printf("TFT width = %d, height = %d\n\r", TFT.width(), TFT.height()) ; + switch(page) { + case 0: + if (prevPage != page) { + screen1() ; + } + break ; + case 1: + if (prevPage != page) { + screen2() ; + } + break ; + case 2: + if (prevPage != page) { + TFT.background(Black) ; + TFT.foreground(White) ; + TFT.cls() ; + } + screen3() ; + wait(2) ; + break ; + default: + page = 0 ; + break ; + } + prevPage = page ; + printf("Screen Printed\n\r") ; + + TSC.getRAWPoint(&x, &y, &z) ; + if ((x != 0)||(y != 0) || (z != 0)) { + if (x < 1000) { // left + decPage() ; + } else if (x > 3000) { // right + incPage() ; + } + } +// wait(1) ; + } +}