Hotboards MX / Mbed 2 deprecated Hotboards_SpiLcd-Hello_World

This sketch prints "Hello World!" to the LCD and shows the time.

Dependencies:   Hotboards_SpiLcd mbed

main.cpp@0:a910ddaef7c0, 2016-01-28 (annotated)

Committer:
Hotboards
Date:
Thu Jan 28 23:01:37 2016 +0000
Revision:
0:a910ddaef7c0
Child:
1:25bddedff209
first mbed example

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Hotboards 0:a910ddaef7c0 1 /*
Hotboards 0:a910ddaef7c0 2 Hotboards_SpiLcd Library - Hello World
Hotboards 0:a910ddaef7c0 3
Hotboards 0:a910ddaef7c0 4 Demonstrates the use a 16x2 LCD display. The Hotboards_SpiLcd
Hotboards 0:a910ddaef7c0 5 library works with all LCD displays that are compatible with the
Hotboards 0:a910ddaef7c0 6 SP7032 driver presented on Spi Lcd board (http://www.hotboards.org).
Hotboards 0:a910ddaef7c0 7 This sketch prints "Hello World!" to the LCD
Hotboards 0:a910ddaef7c0 8 and shows the time.
Hotboards 0:a910ddaef7c0 9
Hotboards 0:a910ddaef7c0 10 The circuit:
Hotboards 0:a910ddaef7c0 11 * BKL --> GND
Hotboards 0:a910ddaef7c0 12 * VDD --> 3.3v
Hotboards 0:a910ddaef7c0 13 * GND --> GND
Hotboards 0:a910ddaef7c0 14 * SCLK --> CLK (ICSP conector)
Hotboards 0:a910ddaef7c0 15 * SI --> MOSI (ICSPs conector)
Hotboards 0:a910ddaef7c0 16 * CS --> D7
Hotboards 0:a910ddaef7c0 17 * RS --> D6
Hotboards 0:a910ddaef7c0 18 * RST --> D5
Hotboards 0:a910ddaef7c0 19
Hotboards 0:a910ddaef7c0 20 Library and example ported by Diego from Hotboards and originally cretaed by
Hotboards 0:a910ddaef7c0 21 by David A. Mellis
Hotboards 0:a910ddaef7c0 22 library modified 5 Jul 2009
Hotboards 0:a910ddaef7c0 23 by Limor Fried (http://www.ladyada.net)
Hotboards 0:a910ddaef7c0 24 example added 9 Jul 2009
Hotboards 0:a910ddaef7c0 25 by Tom Igoe
Hotboards 0:a910ddaef7c0 26 modified 22 Nov 2010
Hotboards 0:a910ddaef7c0 27 by Tom Igoe
Hotboards 0:a910ddaef7c0 28 This example code is in the public domain.
Hotboards 0:a910ddaef7c0 29 */
Hotboards 0:a910ddaef7c0 30
Hotboards 0:a910ddaef7c0 31 #include "mbed.h"
Hotboards 0:a910ddaef7c0 32 #include "Hotboards_SpiLcd.h"
Hotboards 0:a910ddaef7c0 33
Hotboards 0:a910ddaef7c0 34 // initialize the spi peripherals, setting the spi pins
Hotboards 0:a910ddaef7c0 35 SPI device( PB_5, NC, PB_3 ); // mosi, miso, sclk
Hotboards 0:a910ddaef7c0 36 // initialize the library with the numbers of the interface pins
Hotboards 0:a910ddaef7c0 37 Hotboards_SpiLcd display( device, PC_0, PC_1, PC_2 ); //spi, cs, rs, rst
Hotboards 0:a910ddaef7c0 38
Hotboards 0:a910ddaef7c0 39 int main( void )
Hotboards 0:a910ddaef7c0 40 {
Hotboards 0:a910ddaef7c0 41 uint8_t milis = 0;
Hotboards 0:a910ddaef7c0 42 // set the spi frequency to 5MHz
Hotboards 0:a910ddaef7c0 43 device.frequency(5000000);
Hotboards 0:a910ddaef7c0 44 // initialize internal lcd controller:
Hotboards 0:a910ddaef7c0 45 display.init();
Hotboards 0:a910ddaef7c0 46 // Print a message to the LCD.
Hotboards 0:a910ddaef7c0 47 display.printf( "Hello mbed!" );
Hotboards 0:a910ddaef7c0 48
Hotboards 0:a910ddaef7c0 49 while(1)
Hotboards 0:a910ddaef7c0 50 {
Hotboards 0:a910ddaef7c0 51 // set the cursor to column 0, line 1
Hotboards 0:a910ddaef7c0 52 // (note: line 1 is the second row, since counting begins with 0):
Hotboards 0:a910ddaef7c0 53 display.setCursor( 0, 1 );
Hotboards 0:a910ddaef7c0 54 wait( 1 );
Hotboards 0:a910ddaef7c0 55 milis++;
Hotboards 0:a910ddaef7c0 56 // print the number of seconds since reset:
Hotboards 0:a910ddaef7c0 57 display.printf( " %d", milis );
Hotboards 0:a910ddaef7c0 58 }
Hotboards 0:a910ddaef7c0 59 }