閲覧総計:23932 (本日:1 昨日:1)
12F683(8ピンPIC)でスイッチ入力(スイッチのオン(ON)、オフ(OFF)信号をPICに取り込む)
を実現する場合、多くの項目の初期設定を行う必要がある。
その実例を紹介します。 07/02/12
1.内部発振器を8MHzで使用
2.各ピンをデジタル入出力で使用
ANSEL = 0b00000000; //GP0-5をデジタル利用に設定
CMCON0 = 0b00000111; //コンパレータを使わない
3.信号入力ピンを内部プルアップする
OPTION_REG.NOT_GPPU = 0; //内部プルアップ利用に設定
WPU = 0b00000100; //GP2を内部プルアップ
/**
* スイッチ入力
* (スイッチを押している間だけON、はなすとOFF)
*
* LED: GP4 スイッチ: GP2
*Clock: 8.0MHz 内蔵発振器使用
*Device Flags:
* _CP_OFF _MCLRE_OFF _PWRTE_ON _WDT_OFF _INTRC_OSC_NOCLKOUT
*
* MikroC v2.1
*/
void main() {
TRISIO = 0b00000100; //GP2を1:入力に、他を0:出力設定
//内蔵発振器 8MHz使用に設定
OSCCON.IRCF2=1;
OSCCON.IRCF1=1;
OSCCON.IRCF0=1;
ANSEL = 0b00000000; //GP0〜5をデジタル利用に設定
OPTION_REG.NOT_GPPU = 0; //内部プルアップ利用に設定
WPU = 0b00000100; //GP2を内部プルアップ
GPIO = 0b00000000; //GPIOの中身をきれいにする
CMCON0 = 0b00000111; //コンパレータを使わない
do {
if(Button(&GPIO, 2, 1, 0)) { //スイッチONの場合
GPIO.F4 = 1; //LED ON
} else { //スイッチOFFの場合
GPIO.F4 = 0; //LED OFF
}
}while(1);
}
★この情報は役に立ちましたか?
- ボタン関数は使ったこと無いな〜 参考になります。 -- むっちゃん?
- app amount approximately added -- alfordyoum?
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