以下、ADKの firmware の簡単なスケッチの例(今後、ずっとこれを使います)
#include <Max3421e.h>
#include <Usb.h>
#include <AndroidAccessory.h>
/*
data format
pin
A0-A7 ... analog input
4-7 ... digital input
8-11 ... digital/analog(pwm) output
receive
[
'a' or 'd'
pin,
data,
]
send
[
4 (=data_length(byte)),
'a'
port,
data(high),
data(low)
]
or
[
4 (=data_length(byte)),
'd'
data (pin 0-7)
data (0x00)
data (0x00)
]
*/
#define analogInMax 8
#define digitalInMax 8
#define digitalOutMax 14
int analogIns[analogInMax];
int digitalIns[digitalInMax];
int digitalOuts[digitalOutMax];
int digitalVal;
AndroidAccessory acc("Google, Inc.",
"AdkTwitter",
"DemoKit Arduino Board",
"1.0",
"http://www.android.com",
"0000000012345678");
void setup();
void loop();
void setup()
{
Serial.begin(115200);
Serial.print("\r\nStart");
for(int i=0;i<digitalInMax;i++) digitalIns[i]=i;
for(int i=0;i<digitalOutMax;i++) digitalOuts[i]=i;
for(int i=0;i<digitalInMax;i++)
pinMode(digitalIns[i],INPUT);
for(int i=digitalInMax;i<digitalOutMax;i++)
pinMode(digitalOuts[i],OUTPUT);
// pinMode(ledPin, OUTPUT);
// pinMode(b3Pin, INPUT);
analogIns[0]=A0;
analogIns[1]=A1;
analogIns[2]=A2;
analogIns[3]=A3;
analogIns[4]=A4;
analogIns[5]=A5;
analogIns[6]=A6;
analogIns[7]=A7;
acc.powerOn();
}
void loop()
{
byte inMsg[3];
byte outMsg[4];
if (acc.isConnected()) {
int len = acc.read(inMsg, sizeof(inMsg), 1);
int i;
byte b;
if(len>0){
if(inMsg[0]=='a'){
if(inMsg[1]<digitalOutMax)
analogWrite(digitalOuts[inMsg[1]], inMsg[2]);
}
else
if(inMsg[0]=='d'){
if(inMsg[1]<digitalOutMax){
if(inMsg[2]==1)
digitalWrite(digitalOuts[inMsg[1]], HIGH);
else
digitalWrite(digitalOuts[inMsg[1]], LOW);
}
}
}
digitalVal=0;
for(int i=0;i<digitalInMax;i++){
int b=0;
if(digitalRead(digitalIns[i])==HIGH)
b=1;
digitalVal=digitalVal<<1 | b;
}
outMsg[0]='d';
outMsg[1]=digitalVal & 0xff;
outMsg[2]=0;
outMsg[3]=0;
acc.write(outMsg,4);
int sensorValue;
for(int i=0;i<analogInMax;i++){
sensorValue = analogRead(analogIns[i]);
outMsg[0]='a';
outMsg[1]=i;
outMsg[2]=(sensorValue>>8) & 0xff;
outMsg[3]=sensorValue & 0xff;
acc.write(outMsg,4);
}
}
delay(100);
}![[PukiWiki]](image/pukiwiki.png "[PukiWiki]")
