Tadao Iida
エレキジャック Web版 mbedで初めてのマイコン開発 センサを使ってみよう 「CHOROQ HYBRIDを使って赤外線リモコン制御の基礎を学ぶ」の記事で作成したCHOROQ HYBRIDのリモコン信号を読み取るプログラムです。 赤外線リモコンの信号を読み取る基礎が分かります。 http://www.eleki-jack.com/arm/2011/06/mbed-35choroq-hybrid.html
Diff: main.cpp
- Revision:
- 0:dce3930917a3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun Jun 26 13:52:51 2011 +0000
@@ -0,0 +1,104 @@
+#include "mbed.h"
+#include "TextLCD.h"
+
+#define THR 200
+
+enum SignalMode{NOT_USED,FORWARD,BACK,LEFT,RIGHT,DASH_FORWARD,FORWARD_LEFT,FORWARD_RIGHT,DASH_FORWARD_LEFT,
+ DASH_FORWARD_RIGHT,BACK_LEFT,BACK_RIGHT,DASH_BACK,DASH_BACK_LEFT,DASH_BACK_RIGHT, STOP};
+SignalMode STAT;
+
+int steering;
+int signal;
+
+InterruptIn event(p21) ;
+
+TextLCD lcd(p24, p26, p27, p28, p29, p30);
+BusOut myleds(LED1,LED2,LED3,LED4);
+
+int bitCnt = 0;
+Timer timer;
+int begin,end,interval;
+
+void tStart()
+{
+ interval = 0;
+ begin = timer.read_us();
+}
+
+void tEnd()
+{
+ end = timer.read_us();
+ interval = end - begin ;
+ timer.reset();
+
+ if( 2000 - THR < interval && interval < 2000 + THR ){
+ bitCnt = 0 ;
+ signal = 0;
+ }else if ( 500 -THR < interval && interval < 500 + THR ){
+ signal <<= 1;
+ bitCnt++;
+ }else if ( 1000 -THR < interval && interval < 1000 + THR ){
+ signal <<= 1;
+ signal++;
+ bitCnt++;
+ }
+
+}
+
+int main() {
+ int data = 0;
+ timer.start() ;
+ event.fall(&tStart) ;
+ event.rise(&tEnd) ;
+
+ while(1) {
+ if ( bitCnt == 6){
+ data = signal;
+ lcd.locate(0,0);
+ lcd.printf("%3d",data);
+ lcd.locate(4,0);
+ lcd.printf("%d%d",(data&0x20)?1:0,(data&0x10)?1:0);
+ lcd.printf("%d%d%d%d",(data&0x08)?1:0,(data&0x04)?1:0,(data&0x02)?1:0,(data&0x01)?1:0);
+ lcd.locate(0,1);
+
+ if ( data < 16 )
+ lcd.printf("CH A");
+ else if ( data < 32 )
+ lcd.printf("CH B");
+ else if ( data < 48)
+ lcd.printf("CH C");
+ else if ( data < 64)
+ lcd.printf("CH D");
+
+ steering = (int)(data&0x0F) ;
+ lcd.locate(5,1);
+ switch(steering){
+ case LEFT:
+ lcd.printf("LEFT ");
+ myleds = 0x01;
+ break;
+ case RIGHT:
+ lcd.printf("RIGHT ");
+ myleds = 0x08;
+ break;
+ case FORWARD:
+ lcd.printf("FORWARD");
+ break;
+ case BACK:
+ lcd.printf("BACK ");
+ break;
+ case DASH_FORWARD:
+ lcd.printf("DASH_FOR ");
+ break;
+ case DASH_BACK:
+ lcd.printf("DASH_BACK");
+ break;
+ case STOP:
+ lcd.printf("STOP ");
+ wait_ms(50);
+ lcd.cls();
+ myleds =0x00;
+ }
+ }
+ }
+}