There are many examples on MBED for ST7735 controlled LCDs, but they're mostly for the AdaFruit LCD. This is a working example of the library used for the cheap-as-dirt KMR-1.8 SPI 128x160 TFT LCD, on a "Black Pill" STM32F407VE developement board.

Dependencies:   24_TFT_STMNUCLEO mbed

Committer:
katbar
Date:
Fri Sep 28 03:37:23 2018 +0000
Revision:
0:368cfb35a89a
Cheap ST7735 TFT LCD (KMR-1.8 SPI) with Todor Todorov's library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
katbar 0:368cfb35a89a 1 // WORKS with KMR-1.8 128x160 TFT LCD
katbar 0:368cfb35a89a 2 //
katbar 0:368cfb35a89a 3 // Hookup:
katbar 0:368cfb35a89a 4 // VCC, LED+ - 3.3V
katbar 0:368cfb35a89a 5 // CS - PC_4
katbar 0:368cfb35a89a 6 // SCLK - PA_5
katbar 0:368cfb35a89a 7 // SDA - PA_7
katbar 0:368cfb35a89a 8 // A0 - PC_5
katbar 0:368cfb35a89a 9 // RESET - PA_4
katbar 0:368cfb35a89a 10
katbar 0:368cfb35a89a 11
katbar 0:368cfb35a89a 12 #include "mbed.h"
katbar 0:368cfb35a89a 13 #include "st7735.h"
katbar 0:368cfb35a89a 14 #include "terminus.h"
katbar 0:368cfb35a89a 15
katbar 0:368cfb35a89a 16 // create the lcd instance
katbar 0:368cfb35a89a 17 // ST7735_LCD( PinName CS, PinName RESET, PinName RS, PinName SCL, PinName SDA, PinName BL = NC, backlight_t blType = Constant, float defaultBackLightLevel = 1.0 );
katbar 0:368cfb35a89a 18 ST7735_LCD lcd( PC_4, PA_4, PC_5, PA_5, PA_7 ); // control pins
katbar 0:368cfb35a89a 19
katbar 0:368cfb35a89a 20 int main()
katbar 0:368cfb35a89a 21 {
katbar 0:368cfb35a89a 22 // initialize display - place it in standard portrait mode and set background to black and
katbar 0:368cfb35a89a 23 lcd.Initialize( LANDSCAPE_REV, RGB16 );
katbar 0:368cfb35a89a 24 lcd.ClearScreen();
katbar 0:368cfb35a89a 25 // various graphics primitives
katbar 0:368cfb35a89a 26 lcd.DrawPixel(1,1,0xFF9FFF);
katbar 0:368cfb35a89a 27 lcd.DrawLine(10,10,150,10,0xFF29A9);
katbar 0:368cfb35a89a 28 lcd.FillCircle(70,60,10,0x00FF00);
katbar 0:368cfb35a89a 29 lcd.DrawRect(30,80,50,100,0x0000FF);
katbar 0:368cfb35a89a 30 lcd.DrawRect(60,80,80,100,0xFF00FF); // any RGB mix XX-XX-XX
katbar 0:368cfb35a89a 31 lcd.DrawRect(90,80,110,100,0x00FFFF); // any RGB mix XX-XX-XX
katbar 0:368cfb35a89a 32 lcd.DrawRect(120,80,140,100,0xFFFF00); // any RGB mix XX-XX-XX
katbar 0:368cfb35a89a 33 lcd.SetFont( &TerminusFont );
katbar 0:368cfb35a89a 34 // print something on the screen
katbar 0:368cfb35a89a 35 lcd.Print( "Hello, World!", CENTER, 25 ); // align text to center horizontally and use starndard colors
katbar 0:368cfb35a89a 36 while ( 1 ) { }
katbar 0:368cfb35a89a 37 }