This sketch demonstrates how to use leftToRight() and rightToLeft() to move the cursor.
Dependencies: Hotboards_SpiLcd mbed
Revision 0:578fd358c3d3, committed 2016-02-02
- Comitter:
- Hotboards
- Date:
- Tue Feb 02 22:50:35 2016 +0000
- Commit message:
- First Release: Hotboards_SpiLcd_TextDirection
Changed in this revision
diff -r 000000000000 -r 578fd358c3d3 Hotboards_SpiLcd.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Hotboards_SpiLcd.lib Tue Feb 02 22:50:35 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/Hotboards/code/Hotboards_SpiLcd/#b777b6147d99
diff -r 000000000000 -r 578fd358c3d3 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Feb 02 22:50:35 2016 +0000 @@ -0,0 +1,74 @@ +/* + Hotboards_SpiLcd - TextDirection + 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 demonstrates how to use leftToRight() and rightToLeft() + to move the cursor. + 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 thisChar = 'a'; + +int main() +{ + /* set the spi frequency to 5MHz*/ + device.frequency(5000000); + /* initialize internal lcd controller:*/ + display.init(); + // turn on the cursor: + display.cursor(); + + while(1) + { + // reverse directions at 'm': + if (thisChar == 'm') + { + // go right for the next letter + display.rightToLeft(); + } + // reverse again at 's': + if (thisChar == 's') + { + // go left for the next letter + display.leftToRight(); + } + // reset at 'z': + if (thisChar > 'z') + { + // go to (0,0): + display.home(); + // start again at 0 + thisChar = 'a'; + } + // print the character + display.printf("%c",thisChar); + // wait a second: + wait(1); + // increment the letter: + thisChar++; + } +}
diff -r 000000000000 -r 578fd358c3d3 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Feb 02 22:50:35 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/6f327212ef96 \ No newline at end of file