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
Revision 0:dce3930917a3, committed 2011-06-26
- Comitter:
- sunifu
- Date:
- Sun Jun 26 13:52:51 2011 +0000
- Commit message:
Changed in this revision
diff -r 000000000000 -r dce3930917a3 TextLCD.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Sun Jun 26 13:52:51 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/TextLCD/#44f34c09bd37
diff -r 000000000000 -r dce3930917a3 main.cpp --- /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; + } + } + } +}
diff -r 000000000000 -r dce3930917a3 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Jun 26 13:52:51 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912