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AMG8833 8831资料及arduino测试代码

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楼主
ID:704867发表于 2020-3-8 22:50|只看该作者|只看大图回帖奖励
松下红外矩阵摄像头资料 里面包含datasheet 和一些使用手册，并含有arduino测试代码，方便大家


Arduino源程序如下:
  1. #include "Adafruit_AMG88xx.h"

  3. bool Adafruit_AMG88xx::begin(uint8_t addr)
  4. {
  5.      _i2caddr = addr;
  6.     
  7.      _i2c_init();
  8.     
  9.      //enter normal mode
  10.      _pctl.PCTL = AMG88xx_NORMAL_MODE;
  11.      write8(AMG88xx_PCTL, _pctl.get());
  12.     
  13.      //software reset
  14.      _rst.RST = AMG88xx_INITIAL_RESET;
  15.      write8(AMG88xx_RST, _rst.get());
  16.     
  17.      //disable interrupts by default
  18.      disableInterrupt();
  19.     
  20.      //set to 10 FPS
  21.      _fpsc.FPS = AMG88xx_FPS_10;
  22.      write8(AMG88xx_FPSC, _fpsc.get());

  24.      return true;
  25. }

  27. void Adafruit_AMG88xx::setMovingAverageMode(bool mode)
  28. {
  29.      _ave.MAMOD = mode;
  30.      write8(AMG88xx_AVE, _ave.get());
  31. }

  33. void Adafruit_AMG88xx::setInterruptLevels(float high, float low)
  34. {
  35.      setInterruptLevels(high, low, high * .95);
  36. }

  38. void Adafruit_AMG88xx::setInterruptLevels(float high, float low, float hysteresis)
  39. {
  40.      int highConv = high / AMG88xx_PIXEL_TEMP_CONVERSION;
  41.      highConv = constrain(highConv, -4095, 4095);
  42.      _inthl.INT_LVL_H = highConv& 0xFF;
  43.      _inthh.INT_LVL_H = (highConv& 0xF) >> 4;
  44.      this->write8(AMG88xx_INTHL, _inthl.get());
  45.      this->write8(AMG88xx_INTHH, _inthh.get());
  46.     
  47.      int lowConv = low / AMG88xx_PIXEL_TEMP_CONVERSION;
  48.      lowConv = constrain(lowConv, -4095, 4095);
  49.      _intll.INT_LVL_L = lowConv& 0xFF;
  50.      _intlh.INT_LVL_L = (lowConv& 0xF) >> 4;
  51.      this->write8(AMG88xx_INTLL, _intll.get());
  52.      this->write8(AMG88xx_INTLH, _intlh.get());
  53.     
  54.      int hysConv = hysteresis / AMG88xx_PIXEL_TEMP_CONVERSION;
  55.      hysConv = constrain(hysConv, -4095, 4095);
  56.      _ihysl.INT_HYS = hysConv& 0xFF;
  57.      _ihysh.INT_HYS = (hysConv& 0xF) >> 4;
  58.      this->write8(AMG88xx_IHYSL, _ihysl.get());
  59.      this->write8(AMG88xx_IHYSH, _ihysh.get());
  60. }

  62. void Adafruit_AMG88xx::enableInterrupt()
  63. {
  64.      _intc.INTEN = 1;
  65.      this->write8(AMG88xx_INTC, _intc.get());
  66. }

  68. void Adafruit_AMG88xx::disableInterrupt()
  69. {
  70.      _intc.INTEN = 0;
  71.      this->write8(AMG88xx_INTC, _intc.get());
  72. }

  74. void Adafruit_AMG88xx::setInterruptMode(uint8_t mode)
  75. {
  76.      _intc.INTMOD = mode;
  77.      this->write8(AMG88xx_INTC, _intc.get());
  78. }

  80. void Adafruit_AMG88xx::getInterrupt(uint8_t *buf, uint8_t size)
  81. {
  82.      uint8_t bytesToRead = min(size, 8);
  83.     
  84.      this->read(AMG88xx_INT_OFFSET, buf, bytesToRead);
  85. }

  87. void Adafruit_AMG88xx::clearInterrupt()
  88. {
  89.      _rst.RST = AMG88xx_FLAG_RESET;
  90.      write8(AMG88xx_RST, _rst.get());
  91. }

  93. float Adafruit_AMG88xx::readThermistor()
  94. {
  95.      uint8_t raw[2];
  96.      this->read(AMG88xx_TTHL, raw, 2);
  97.      uint16_t recast = ((uint16_t)raw[1]<< 8) | ((uint16_t)raw[0]);

  99.      return signedMag12ToFloat(recast) * AMG88xx_THERMISTOR_CONVERSION;
  100. }

  102. void Adafruit_AMG88xx::readPixels(float *buf, uint8_t size)
  103. {
  104.      uint16_t recast;
  105.      float converted;
  106.      uint8_t bytesToRead = min(size<< 1, AMG88xx_PIXEL_ARRAY_SIZE<< 1);
  107.      uint8_t rawArray[bytesToRead];
  108.      this->read(AMG88xx_PIXEL_OFFSET, rawArray, bytesToRead);
  109.     
  110.      for(int i=0; i<size; i++){
  111.          uint8_t pos = i<< 1;
  112.          recast = ((uint16_t)rawArray[pos + 1]<< 8) | ((uint16_t)rawArray[pos]);
  113.         
  114.          converted = signedMag12ToFloat(recast) * AMG88xx_PIXEL_TEMP_CONVERSION;
  115.          buf[i] = converted;
  116.      }
  117. }

  119. void Adafruit_AMG88xx::write8(byte reg, byte value)
  120. {
  121.      this->write(reg,& value, 1);
  122. }

  124. uint8_t Adafruit_AMG88xx::read8(byte reg)
  125. {
  126.      uint8_t ret;
  127.      this->read(reg,& ret, 1);
  128.     
  129.      return ret;
  130. }

  132. void Adafruit_AMG88xx::_i2c_init()
  133. {
  134.      Wire.begin();
  135. }

  137. void Adafruit_AMG88xx::read(uint8_t reg, uint8_t *buf, uint8_t num)
  138. {
  139.      uint8_t value;
  140.      uint8_t pos = 0;
  141.     
  142.      //on arduino we need to read in 32 byte chunks
  143.      while(pos< num){
  144.         
  145.          uint8_t read_now = min(32, num - pos);
  146.          Wire.beginTransmission((uint8_t)_i2caddr);
  147.          Wire.write((uint8_t)reg + pos);
  148.          Wire.endTransmission();
  149.          Wire.requestFrom((uint8_t)_i2caddr, read_now);
  150.         
  151.          for(int i=0; i<read_now; i++){
  152.              buf[pos] = Wire.read();
  153. ……………………

  155. …………限于本文篇幅 余下代码请从51黑下载附件…………
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所有资料51hei提供下载:
AMG8833 8831资料.rar(3.24 MB, 下载次数: 54)

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沙发
ID:81138发表于 2021-2-7 19:22来自手机|只看该作者
此资料不错很有吸引力
板凳
ID:880257发表于 2021-2-8 09:25|只看该作者
感兴趣的领域，实用的源码，多谢楼主！
地板
ID:252225发表于 2021-3-23 10:21|只看该作者
实用的源码，多谢楼主！

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