A simple 128x32 graphical LCD program to quickstart with LCD on ARM mbed IoT Starter Kit. This requires mbed Applciation Shield with FRDM-K64F platform.
main.cpp
- Committer:
- tushki7
- Date:
- 2015-04-11
- Revision:
- 0:60d829a0353a
- Child:
- 1:eb68c94a8ee5
File content as of revision 0:60d829a0353a:
/*___________________________________________________________*/ /* A simple LCD program for ARM mbed IoT Starter Kit */ /* LCD name : C12832A1Z LCD : 128X32 */ /* nCS : D10 : PTD0 */ /* A0 : D7 : PTC3 */ /* SCK : D13 : PTD1 */ /* RESET : D12 : PTD3 */ /* MOSI : D11 : PTD2 */ /*___________________________________________________________*/ /* AUTHOR : mudz */ /*___________________________________________________________*/ #include "mbed.h" #include "C12832.h" #include "Arial12x12.h" #include "Small_7.h" DigitalOut gpo(D0); DigitalOut led(LED_GREEN); DigitalOut ledR(LED_RED); DigitalOut ledB(LED_BLUE); C12832 lcd(D11, D13, D12, D7, D10); /** * Display a message on the LCD screen */ void displayMessage(char* message) { lcd.cls(); lcd.printf(message); } int main() { int i=4; while (true) { lcd.set_contrast(i); // Use i to control Contrast value if(i%2==0) { lcd.set_font((unsigned char*) Arial12x12); // Set Arial font for the LCD screen lcd.locate(8,8); // Location of the Text on Screen ledR = !ledR; // toggle led } if(i%2==1) { lcd.set_font((unsigned char*) Small_7); // Set Small_7 font for the LCD screen lcd.locate(16,12); ledB = !ledB; // toggle led } displayMessage("Hello Sir! I'm Online"); // Message gpo = !gpo; // toggle pin led = !led; // toggle led wait(0.8f); i++; if(i==35) // Contrast value after this text will not be visible { i=4; // Contrast value } } }