WiiAccessoryTest.ino

#include <WiiChuck.h>

#define BUF_SIZE 6

Accessory nunchuck1;
uint8_t buf[BUF_SIZE];
//char buf00[8] = {};
//char buf01[8] = {};
//char buf02[8] = {};
//char buf03[8] = {};
//char buf04[8] = {};
//char buf05[8] = {};
bool home_button;

void setup() {
	Serial2.begin(115200);
	nunchuck1.begin();
	if (nunchuck1.type == Unknown) {
		/** If the device isn't auto-detected, set the type explicatly
		 * 	NUNCHUCK,
		 WIICLASSIC,
		 GuitarHeroController,
		 GuitarHeroWorldTourDrums,
		 DrumController,
		 DrawsomeTablet,
		 Turntable
		 */
		nunchuck1.type = WIICLASSIC;
	}
}

void loop() {
	if(Serial2.available() > 0) {
		uint8_t read_data;
		read_data = Serial2.read();
		if(read_data == 'e') { //erase
			for(int i = 0; i < BUF_SIZE; i++) {
				buf[i] = 0x00;
			}
		} else if(read_data == 'g') { //get
 			nunchuck1.readData();    // Read inputs and update maps
 			home_button = nunchuck1.values[15] >> 7;
			buf[0] = (nunchuck1.values[18] & 0x80) | (nunchuck1.values[10] & 0x40) | ((!home_button && nunchuck1.values[17]) << 5) | ((!home_button && nunchuck1.values[11]) << 4) | (nunchuck1.values[8] & 0x08) | (nunchuck1.values[12] & 0x04) | (nunchuck1.values[13] & 0x02) | (nunchuck1.values[9] & 0x01);
			buf[1] = ((nunchuck1.values[7] & 0x01) << 7) | (!!!nunchuck1.values[7] << 6) | ((home_button && nunchuck1.values[11]) << 5) | ((home_button && nunchuck1.values[17]) << 4) | ((home_button && (nunchuck1.values[14] & 0x01)) << 3) | ((home_button && !nunchuck1.values[14]) << 2) | ((!home_button && (nunchuck1.values[14] & 0x01)) << 1) | ((!home_button && !nunchuck1.values[14]) << 0);
			buf[2] = nunchuck1.values[2] & 0xFC | ((nunchuck1.values[6] & 0x01) << 1) | (!!!nunchuck1.values[6] << 0);
			buf[3] = nunchuck1.values[3] & 0xFC;
			buf[4] = nunchuck1.values[0];
			buf[5] = nunchuck1.values[1];
//    sprintf(buf00, "%X", buf[0]);
//    sprintf(buf01, "%X", buf[1]);
//    sprintf(buf02, "%X", buf[2]);
//    sprintf(buf03, "%X", buf[3]);
//    sprintf(buf04, "%X", buf[4]);
//    sprintf(buf05, "%X", buf[5]);
//    Serial.println(buf00);
//    Serial.println(buf01);
//    Serial.println(buf02);
//    Serial.println(buf03);
//    Serial.println(buf04);
//    Serial.println(buf05);
		} else if(read_data == '0') {
			Serial2.write(buf[0]);
		} else if(read_data == '1') {
			Serial2.write(buf[1]);
		} else if(read_data == '2') {
			Serial2.write(buf[2]);
		} else if(read_data == '3') {
			Serial2.write(buf[3]);
		} else if(read_data == '4') {
			Serial2.write(buf[4]);
		} else if(read_data == '5') {
			Serial2.write(buf[5]);
		} 
	}
}