Yaroslav Krainyk / Mbed 2 deprecated LAB_DISPLAY

Example for the ILI9341 display usage

Dependencies:   mbed

main.cpp@2:82f5f57eac91, 2017-11-05 (annotated)

Committer:
codebreaker7
Date:
Sun Nov 05 14:51:21 2017 +0000
Revision:
2:82f5f57eac91
Parent:
1:cdeae0693b01 
Updated to work with display correctly

Who changed what in which revision?

UserRevisionLine numberNew contents of line
codebreaker7 0:02841331478b 1 #include "mbed.h"
codebreaker7 0:02841331478b 2 #include "ILI9341_Defines.h"
codebreaker7 0:02841331478b 3
codebreaker7 0:02841331478b 4 SPI spi_dev(PB_15, PB_14, PB_13);
codebreaker7 0:02841331478b 5 DigitalOut cs(PC_4);
codebreaker7 0:02841331478b 6 DigitalOut ao(PB_3);
codebreaker7 2:82f5f57eac91 7 uint8_t tarr[1024];
codebreaker7 2:82f5f57eac91 8 uint8_t rarr[1024];
codebreaker7 0:02841331478b 9
codebreaker7 0:02841331478b 10 void writecommand(uint8_t command) {
codebreaker7 0:02841331478b 11 cs = 0;
codebreaker7 0:02841331478b 12 ao = 0;
codebreaker7 0:02841331478b 13 spi_dev.write(command);
codebreaker7 0:02841331478b 14 cs = 1;
codebreaker7 0:02841331478b 15 }
codebreaker7 0:02841331478b 16
codebreaker7 0:02841331478b 17 void writedata(uint8_t data) {
codebreaker7 0:02841331478b 18 cs = 0;
codebreaker7 0:02841331478b 19 ao = 1;
codebreaker7 0:02841331478b 20 spi_dev.write(data);
codebreaker7 0:02841331478b 21 cs = 1;
codebreaker7 0:02841331478b 22 }
codebreaker7 0:02841331478b 23
codebreaker7 2:82f5f57eac91 24 void setAddress(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2) {
codebreaker7 2:82f5f57eac91 25 writecommand(0x2a);
codebreaker7 2:82f5f57eac91 26 writedata(0x00);
codebreaker7 2:82f5f57eac91 27 writedata(x1);
codebreaker7 2:82f5f57eac91 28 writedata(0x00);
codebreaker7 2:82f5f57eac91 29 writedata(x2);
codebreaker7 2:82f5f57eac91 30 writecommand(0x2b);
codebreaker7 2:82f5f57eac91 31 writedata(0x00);
codebreaker7 2:82f5f57eac91 32 writedata(y1);
codebreaker7 2:82f5f57eac91 33 writedata(0x00);
codebreaker7 2:82f5f57eac91 34 writedata(y2);
codebreaker7 2:82f5f57eac91 35 writecommand(0x2c);
codebreaker7 2:82f5f57eac91 36 }
codebreaker7 2:82f5f57eac91 37
codebreaker7 2:82f5f57eac91 38 void writeColorData(uint8_t * arr, int length) {
codebreaker7 2:82f5f57eac91 39 cs = 0;
codebreaker7 2:82f5f57eac91 40 ao = 1;
codebreaker7 2:82f5f57eac91 41 spi_dev.write((char*)arr, length, NULL, length);
codebreaker7 2:82f5f57eac91 42 cs = 1;
codebreaker7 2:82f5f57eac91 43 }
codebreaker7 2:82f5f57eac91 44
codebreaker7 0:02841331478b 45 int main() {
codebreaker7 1:cdeae0693b01 46 HAL_Init();
codebreaker7 0:02841331478b 47 #include "ILI9341_Init.h"
codebreaker7 2:82f5f57eac91 48 setAddress(0, 0, 127, 127);
codebreaker7 2:82f5f57eac91 49 for (int i = 0; i < 1024; i++) {
codebreaker7 2:82f5f57eac91 50 tarr[i] = 0;
codebreaker7 2:82f5f57eac91 51 }
codebreaker7 2:82f5f57eac91 52 for (int i = 0; i < 32; i++) {
codebreaker7 2:82f5f57eac91 53 writeColorData(tarr, 1024);
codebreaker7 2:82f5f57eac91 54 }
codebreaker7 0:02841331478b 55 while(1) {
codebreaker7 0:02841331478b 56 }
codebreaker7 0:02841331478b 57 }