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@1:25bddedff209, 2016-01-29 (annotated)

Committer:
Hotboards
Date:
Fri Jan 29 00:56:21 2016 +0000
Revision:
1:25bddedff209
Parent:
0:a910ddaef7c0 
update commets header

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 1:25bddedff209 7
Hotboards 0:a910ddaef7c0 8 This sketch prints "Hello World!" to the LCD
Hotboards 0:a910ddaef7c0 9 and shows the time.
Hotboards 0:a910ddaef7c0 10
Hotboards 0:a910ddaef7c0 11 The circuit:
Hotboards 0:a910ddaef7c0 12 * BKL --> GND
Hotboards 0:a910ddaef7c0 13 * VDD --> 3.3v
Hotboards 0:a910ddaef7c0 14 * GND --> GND
Hotboards 1:25bddedff209 15 * SCLK --> PB_3
Hotboards 1:25bddedff209 16 * SI --> PB_5
Hotboards 1:25bddedff209 17 * CS --> PC_0
Hotboards 1:25bddedff209 18 * RS --> PC_1
Hotboards 1:25bddedff209 19 * RST --> PC_2
Hotboards 0:a910ddaef7c0 20
Hotboards 0:a910ddaef7c0 21 Library and example ported by Diego from Hotboards and originally cretaed by
Hotboards 0:a910ddaef7c0 22 by David A. Mellis
Hotboards 0:a910ddaef7c0 23 library modified 5 Jul 2009
Hotboards 0:a910ddaef7c0 24 by Limor Fried (http://www.ladyada.net)
Hotboards 0:a910ddaef7c0 25 example added 9 Jul 2009
Hotboards 0:a910ddaef7c0 26 by Tom Igoe
Hotboards 0:a910ddaef7c0 27 modified 22 Nov 2010
Hotboards 0:a910ddaef7c0 28 by Tom Igoe
Hotboards 0:a910ddaef7c0 29 This example code is in the public domain.
Hotboards 0:a910ddaef7c0 30 */
Hotboards 0:a910ddaef7c0 31
Hotboards 0:a910ddaef7c0 32 #include "mbed.h"
Hotboards 0:a910ddaef7c0 33 #include "Hotboards_SpiLcd.h"
Hotboards 0:a910ddaef7c0 34
Hotboards 0:a910ddaef7c0 35 // initialize the spi peripherals, setting the spi pins
Hotboards 0:a910ddaef7c0 36 SPI device( PB_5, NC, PB_3 ); // mosi, miso, sclk
Hotboards 0:a910ddaef7c0 37 // initialize the library with the numbers of the interface pins
Hotboards 0:a910ddaef7c0 38 Hotboards_SpiLcd display( device, PC_0, PC_1, PC_2 ); //spi, cs, rs, rst
Hotboards 0:a910ddaef7c0 39
Hotboards 0:a910ddaef7c0 40 int main( void )
Hotboards 0:a910ddaef7c0 41 {
Hotboards 0:a910ddaef7c0 42 uint8_t milis = 0;
Hotboards 0:a910ddaef7c0 43 // set the spi frequency to 5MHz
Hotboards 0:a910ddaef7c0 44 device.frequency(5000000);
Hotboards 0:a910ddaef7c0 45 // initialize internal lcd controller:
Hotboards 0:a910ddaef7c0 46 display.init();
Hotboards 0:a910ddaef7c0 47 // Print a message to the LCD.
Hotboards 0:a910ddaef7c0 48 display.printf( "Hello mbed!" );
Hotboards 0:a910ddaef7c0 49
Hotboards 0:a910ddaef7c0 50 while(1)
Hotboards 0:a910ddaef7c0 51 {
Hotboards 0:a910ddaef7c0 52 // set the cursor to column 0, line 1
Hotboards 0:a910ddaef7c0 53 // (note: line 1 is the second row, since counting begins with 0):
Hotboards 0:a910ddaef7c0 54 display.setCursor( 0, 1 );
Hotboards 0:a910ddaef7c0 55 wait( 1 );
Hotboards 0:a910ddaef7c0 56 milis++;
Hotboards 0:a910ddaef7c0 57 // print the number of seconds since reset:
Hotboards 0:a910ddaef7c0 58 display.printf( " %d", milis );
Hotboards 0:a910ddaef7c0 59 }
Hotboards 0:a910ddaef7c0 60 }