#include <Wire.h>
#define PCTL 0x00
#define RST 0x01
#define FPSC 0x02
#define INTC 0x03
#define STAT 0x04
#define SCLR 0x05
#define AVE 0x07
#define INTHL 0x08
#define TTHL 0x0E
#define INT0 0x10
#define T01L 0x80
#define AMG88_ADDR 0x68 // in 7bit
void setup()
{
Serial.begin(115200);
Wire.begin();
int fpsc = B00000000;// 1fps
datasend(AMG88_ADDR,FPSC,&fpsc,1);
int intc = 0x00; // diff interrpt mode, INT output reactive
datasend(AMG88_ADDR,INTC,&intc,1);
// moving average output mode active
int tmp = 0x50;
datasend(AMG88_ADDR,0x1F,&tmp,1);
tmp = 0x45;
datasend(AMG88_ADDR,0x1F,&tmp,1);
tmp = 0x57;
datasend(AMG88_ADDR,0x1F,&tmp,1);
tmp = 0x20;
datasend(AMG88_ADDR,AVE,&tmp,1);
tmp = 0x00;
datasend(AMG88_ADDR,0x1F,&tmp,1);
int sensorTemp[2];
dataread(AMG88_ADDR,TTHL,sensorTemp,2);
//
// Serial.print("sensor temperature:");
// Serial.println( (sensorTemp[1]*256 + sensorTemp[0])*0.0625);
}
void loop()
{
Serial.println("[");
// Wire library cannnot contain more than 32 bytes in bufffer
// 2byte per one data
// 2 byte * 16 data * 4 times
int sensorData[32];
for(int i = 0; i < 4; i++)
{
// read each 32 bytes
dataread(AMG88_ADDR, T01L + i*0x20, sensorData, 32);
for(int l = 0 ; l < 16 ; l++)
{
int16_t temporaryData = (sensorData[l * 2 + 1] * 256 ) + sensorData[l * 2];
float temperature;
if(temporaryData > 0x200)
{
temperature = (-temporaryData + 0xfff) * -0.25;
}else
{
temperature = temporaryData * 0.25;
}
Serial.print(temperature);
if( (l + i * 16)<63 ) Serial.print(",");
}
Serial.println();
}
Serial.println("]");
delay(100);
}
void datasend(int id,int reg,int *data,int datasize)
{
Wire.beginTransmission(id);
Wire.write(reg);
for(int i=0;i<datasize;i++)
{
Wire.write(data[i]);
}
Wire.endTransmission();
}
void dataread(int id,int reg,int *data,int datasize)
{
Wire.beginTransmission(id);
Wire.write(reg);
Wire.endTransmission(false);
Wire.requestFrom(id, datasize, false);
for(int i=0;i<datasize;i++)
{
data[i] = Wire.read();
}
Wire.endTransmission(true);
}
