Wim Huiskamp
/
mbed_SDA5708
Test code for SDA5708 LED matrix display
main.cpp@0:7163ac97bad9, 2014-09-29 (annotated)
- Committer:
- wim
- Date:
- Mon Sep 29 19:45:23 2014 +0000
- Revision:
- 0:7163ac97bad9
- Child:
- 1:bffa08157551
First release.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wim | 0:7163ac97bad9 | 1 | |
wim | 0:7163ac97bad9 | 2 | #include "mbed.h" |
wim | 0:7163ac97bad9 | 3 | #include "SDA5708.h" |
wim | 0:7163ac97bad9 | 4 | |
wim | 0:7163ac97bad9 | 5 | // mbed Interface Hardware definitions |
wim | 0:7163ac97bad9 | 6 | DigitalOut myled1(LED1); |
wim | 0:7163ac97bad9 | 7 | DigitalOut myled2(LED2); |
wim | 0:7163ac97bad9 | 8 | DigitalOut myled3(LED3); |
wim | 0:7163ac97bad9 | 9 | DigitalOut heartbeatLED(LED4); |
wim | 0:7163ac97bad9 | 10 | |
wim | 0:7163ac97bad9 | 11 | // Host PC Communication channels |
wim | 0:7163ac97bad9 | 12 | Serial pc(USBTX, USBRX); |
wim | 0:7163ac97bad9 | 13 | |
wim | 0:7163ac97bad9 | 14 | // SPI Communication |
wim | 0:7163ac97bad9 | 15 | SPI spi_led(p5, NC, p7); // MOSI, MISO, SCLK |
wim | 0:7163ac97bad9 | 16 | |
wim | 0:7163ac97bad9 | 17 | //Display |
wim | 0:7163ac97bad9 | 18 | SDA5708 led(&spi_led, p8, p9); // SPI bus, CS pin, RST pin |
wim | 0:7163ac97bad9 | 19 | |
wim | 0:7163ac97bad9 | 20 | // Variables for Heartbeat and Status monitoring |
wim | 0:7163ac97bad9 | 21 | Ticker heartbeat; |
wim | 0:7163ac97bad9 | 22 | bool heartbeatflag=false; |
wim | 0:7163ac97bad9 | 23 | |
wim | 0:7163ac97bad9 | 24 | // Heartbeat monitor |
wim | 0:7163ac97bad9 | 25 | void pulse() { |
wim | 0:7163ac97bad9 | 26 | heartbeatLED = !heartbeatLED; |
wim | 0:7163ac97bad9 | 27 | } |
wim | 0:7163ac97bad9 | 28 | |
wim | 0:7163ac97bad9 | 29 | void heartbeat_start() { |
wim | 0:7163ac97bad9 | 30 | heartbeat.attach(&pulse, 0.5); |
wim | 0:7163ac97bad9 | 31 | heartbeatflag = true; |
wim | 0:7163ac97bad9 | 32 | } |
wim | 0:7163ac97bad9 | 33 | |
wim | 0:7163ac97bad9 | 34 | void heartbeat_stop() { |
wim | 0:7163ac97bad9 | 35 | heartbeat.detach(); |
wim | 0:7163ac97bad9 | 36 | heartbeatflag = false; |
wim | 0:7163ac97bad9 | 37 | } |
wim | 0:7163ac97bad9 | 38 | |
wim | 0:7163ac97bad9 | 39 | int main() { |
wim | 0:7163ac97bad9 | 40 | int cnt; |
wim | 0:7163ac97bad9 | 41 | |
wim | 0:7163ac97bad9 | 42 | heartbeat_start(); |
wim | 0:7163ac97bad9 | 43 | |
wim | 0:7163ac97bad9 | 44 | led.locate(0, 0); |
wim | 0:7163ac97bad9 | 45 | |
wim | 0:7163ac97bad9 | 46 | //led.printf("*=%6d", 123456); |
wim | 0:7163ac97bad9 | 47 | // 12345678 |
wim | 0:7163ac97bad9 | 48 | led.printf("Hi mbed "); |
wim | 0:7163ac97bad9 | 49 | wait(2); |
wim | 0:7163ac97bad9 | 50 | |
wim | 0:7163ac97bad9 | 51 | cnt=0x20; |
wim | 0:7163ac97bad9 | 52 | while(1) { |
wim | 0:7163ac97bad9 | 53 | wait(0.5); |
wim | 0:7163ac97bad9 | 54 | |
wim | 0:7163ac97bad9 | 55 | led.putc(cnt); |
wim | 0:7163ac97bad9 | 56 | cnt++; |
wim | 0:7163ac97bad9 | 57 | if (cnt == 0x80) cnt=0x20; |
wim | 0:7163ac97bad9 | 58 | } |
wim | 0:7163ac97bad9 | 59 | |
wim | 0:7163ac97bad9 | 60 | } |