標(biāo)題: AMG8833 8831資料及arduino測(cè)試代碼 [打印本頁]
作者: ff117a    時(shí)間: 2020-3-8 22:50
標(biāo)題: AMG8833 8831資料及arduino測(cè)試代碼
松下紅外矩陣攝像頭資料 里面包含datasheet 和一些使用手冊(cè)，并含有arduino測(cè)試代碼，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 余下代碼請(qǐng)從51黑下載附件…………
復(fù)制代碼

所有資料51hei提供下載:
AMG8833 8831資料.rar (3.24 MB, 下載次數(shù): 54)


作者: cyrs    時(shí)間: 2021-2-7 19:22
此資料不錯(cuò)很有吸引力
作者: zhou8266    時(shí)間: 2021-2-8 09:25
感興趣的領(lǐng)域，實(shí)用的源碼，多謝樓主！
作者: 123321qqq..    時(shí)間: 2021-3-23 10:21
實(shí)用的源碼，多謝樓主！



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