松下紅外矩陣攝像頭資料 里面包含datasheet 和一些使用手冊，并含有arduino測試代碼，方便大家
Arduino源程序如下:
- #include "Adafruit_AMG88xx.h"
- bool Adafruit_AMG88xx::begin(uint8_t addr)
- {
- _i2caddr = addr;
-
- _i2c_init();
-
- //enter normal mode
- _pctl.PCTL = AMG88xx_NORMAL_MODE;
- write8(AMG88xx_PCTL, _pctl.get());
-
- //software reset
- _rst.RST = AMG88xx_INITIAL_RESET;
- write8(AMG88xx_RST, _rst.get());
-
- //disable interrupts by default
- disableInterrupt();
-
- //set to 10 FPS
- _fpsc.FPS = AMG88xx_FPS_10;
- write8(AMG88xx_FPSC, _fpsc.get());
- return true;
- }
- void Adafruit_AMG88xx::setMovingAverageMode(bool mode)
- {
- _ave.MAMOD = mode;
- write8(AMG88xx_AVE, _ave.get());
- }
- void Adafruit_AMG88xx::setInterruptLevels(float high, float low)
- {
- setInterruptLevels(high, low, high * .95);
- }
- void Adafruit_AMG88xx::setInterruptLevels(float high, float low, float hysteresis)
- {
- int highConv = high / AMG88xx_PIXEL_TEMP_CONVERSION;
- highConv = constrain(highConv, -4095, 4095);
- _inthl.INT_LVL_H = highConv & 0xFF;
- _inthh.INT_LVL_H = (highConv & 0xF) >> 4;
- this->write8(AMG88xx_INTHL, _inthl.get());
- this->write8(AMG88xx_INTHH, _inthh.get());
-
- int lowConv = low / AMG88xx_PIXEL_TEMP_CONVERSION;
- lowConv = constrain(lowConv, -4095, 4095);
- _intll.INT_LVL_L = lowConv & 0xFF;
- _intlh.INT_LVL_L = (lowConv & 0xF) >> 4;
- this->write8(AMG88xx_INTLL, _intll.get());
- this->write8(AMG88xx_INTLH, _intlh.get());
-
- int hysConv = hysteresis / AMG88xx_PIXEL_TEMP_CONVERSION;
- hysConv = constrain(hysConv, -4095, 4095);
- _ihysl.INT_HYS = hysConv & 0xFF;
- _ihysh.INT_HYS = (hysConv & 0xF) >> 4;
- this->write8(AMG88xx_IHYSL, _ihysl.get());
- this->write8(AMG88xx_IHYSH, _ihysh.get());
- }
- void Adafruit_AMG88xx::enableInterrupt()
- {
- _intc.INTEN = 1;
- this->write8(AMG88xx_INTC, _intc.get());
- }
- void Adafruit_AMG88xx::disableInterrupt()
- {
- _intc.INTEN = 0;
- this->write8(AMG88xx_INTC, _intc.get());
- }
- void Adafruit_AMG88xx::setInterruptMode(uint8_t mode)
- {
- _intc.INTMOD = mode;
- this->write8(AMG88xx_INTC, _intc.get());
- }
- void Adafruit_AMG88xx::getInterrupt(uint8_t *buf, uint8_t size)
- {
- uint8_t bytesToRead = min(size, 8);
-
- this->read(AMG88xx_INT_OFFSET, buf, bytesToRead);
- }
- void Adafruit_AMG88xx::clearInterrupt()
- {
- _rst.RST = AMG88xx_FLAG_RESET;
- write8(AMG88xx_RST, _rst.get());
- }
- float Adafruit_AMG88xx::readThermistor()
- {
- uint8_t raw[2];
- this->read(AMG88xx_TTHL, raw, 2);
- uint16_t recast = ((uint16_t)raw[1] << 8) | ((uint16_t)raw[0]);
- return signedMag12ToFloat(recast) * AMG88xx_THERMISTOR_CONVERSION;
- }
- void Adafruit_AMG88xx::readPixels(float *buf, uint8_t size)
- {
- uint16_t recast;
- float converted;
- uint8_t bytesToRead = min(size << 1, AMG88xx_PIXEL_ARRAY_SIZE << 1);
- uint8_t rawArray[bytesToRead];
- this->read(AMG88xx_PIXEL_OFFSET, rawArray, bytesToRead);
-
- for(int i=0; i<size; i++){
- uint8_t pos = i << 1;
- recast = ((uint16_t)rawArray[pos + 1] << 8) | ((uint16_t)rawArray[pos]);
-
- converted = signedMag12ToFloat(recast) * AMG88xx_PIXEL_TEMP_CONVERSION;
- buf[i] = converted;
- }
- }
- void Adafruit_AMG88xx::write8(byte reg, byte value)
- {
- this->write(reg, &value, 1);
- }
- uint8_t Adafruit_AMG88xx::read8(byte reg)
- {
- uint8_t ret;
- this->read(reg, &ret, 1);
-
- return ret;
- }
- void Adafruit_AMG88xx::_i2c_init()
- {
- Wire.begin();
- }
- void Adafruit_AMG88xx::read(uint8_t reg, uint8_t *buf, uint8_t num)
- {
- uint8_t value;
- uint8_t pos = 0;
-
- //on arduino we need to read in 32 byte chunks
- while(pos < num){
-
- uint8_t read_now = min(32, num - pos);
- Wire.beginTransmission((uint8_t)_i2caddr);
- Wire.write((uint8_t)reg + pos);
- Wire.endTransmission();
- Wire.requestFrom((uint8_t)_i2caddr, read_now);
-
- for(int i=0; i<read_now; i++){
- buf[pos] = Wire.read();
- ……………………
- …………限于本文篇幅 余下代碼請從51黑下載附件…………
所有資料51hei提供下載:
AMG8833 8831資料.rar
(3.24 MB, 下載次數: 54)
2020-3-8 22:47 上傳
點擊文件名下載附件
|
