This sketch prints to all the positions of the LCD using the setCursor() method.
Dependencies: Hotboards_SpiLcd mbed
main.cpp
- Committer:
- Hotboards
- Date:
- 2016-02-02
- Revision:
- 0:9278fbadebb5
File content as of revision 0:9278fbadebb5:
/* Hotboards_SpiLcd Library - setCursor Demonstrates the use a 16x2 LCD display. The Hotboards_SpiLcd library works with all LCD displays that are compatible with the ST7032 driver presented on Spi Lcd board (http://www.hotboards.org). This sketch prints to all the positions of the LCD using the setCursor() method: The circuit: * BKL --> GND * VDD --> 3.3v * GND --> GND * SCK --> PA_5 * SI --> PA_6 * CS --> PB_15 * RS --> PB_14 * RST --> PB_13 Library and example ported by Diego from Hotboards and originally created by David A. Mellis library modified 5 Jul 2009 by Limor Fried (http://www.ladyada.net) example added 9 Jul 2009 by Tom Igoe modified 22 Nov 2010 by Tom Igoe */ #include "mbed.h" #include "Hotboards_SpiLcd.h" /* initialize an instance of SPI bus,setting the SPI pins*/ SPI device(PA_7,PA_6,PA_5); /* SO, SI, SCK*/ /* initialize the library with the numbers of the interface pins*/ Hotboards_SpiLcd display( device, PB_15, PB_14, PB_13 ); /* SPI, CS, RS, RST */ int main() { /* set the spi frequency to 5MHz*/ device.frequency(5000000); /* initialize internal lcd controller:*/ display.init(); while(1) { // loop from ASCII 'a' to ASCII 'z': for (int thisLetter = 'a'; thisLetter <= 'z'; thisLetter++) { // loop over the columns: for (int thisRow = 0; thisRow < 2; thisRow++) { // loop over the rows: for (int thisCol = 0; thisCol < 16; thisCol++) { // set the cursor position: display.setCursor(thisCol, thisRow); // print the letter: display.printf("%c",thisLetter); wait(0.2); } } } } }