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Port LED-Based Brightness Measurement From v2

This commit is contained in:
seiichiro 2021-06-07 18:25:04 +02:00
parent e974463add
commit 1e80e089d3
5 changed files with 124 additions and 0 deletions
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57
lib/Brightness/Brightness.cpp Normal file
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@ -0,0 +1,57 @@
/*
.cpp - Brightness Sensor Library
Copyright (c) 2020-2021, Stefan Brand
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <Arduino.h>
#include "Brightness.h"
// Constructor - Inititalize Hardware UART
Brightness::Brightness(uint8_t a, uint8_t c) {
this->anode = a;
this->cathode = c;
}
uint8_t Brightness::getSensorData(char *payload, uint8_t startbyte) {
uint16_t counter;
pinMode(this->anode, OUTPUT);
digitalWrite(this->anode, LOW);
pinMode(this->cathode, OUTPUT);
digitalWrite(this->cathode, HIGH);
delayMicroseconds(4);
pinMode(this->cathode, INPUT);
digitalWrite(this->cathode, LOW);
for ( counter = 0; counter < 65000; counter++) {
if (digitalRead(this->cathode)==0) break;
delayMicroseconds(5);
}
uint16ToPayload(65000-counter, payload, startbyte);
return startbyte+2;
}

46
lib/Brightness/Brightness.h Normal file
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/*
Brightness.h - Brightness Sensor Library
Copyright (c) 2020-2021, Stefan Brand
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef Brightness_H
#define Brightness_H
#include "../../include/attsensor.h"
#include "../../include/debug.h"
class Brightness : public AttSensor {
private:
uint8_t anode, cathode;
public:
Brightness(uint8_t a, uint8_t c);
uint8_t getSensorData(char *payload, uint8_t startbyte);
void calibrate(void) {};
void initialize(void) {};
uint8_t numBytes(void) { return 2; };
};
#endif

7
payload/index.html
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@ -73,6 +73,10 @@
<input type="checkbox" value="hm330x" onchange="updateDecoder();">
HM330x
</label>
<label>
<input type="checkbox" value="brightness" onchange="updateDecoder();">
Brightness
</label>
<label>
<input type="checkbox" value="ds18b20" onchange="updateDecoder();">
DS18B20
@ -114,6 +118,9 @@
{ "name": "pm2_5", "type": "UInt16", "factor": 1, "multi": false },
{ "name": "pm10", "type": "UInt16", "factor": 1, "multi": false },
],
"brightness": [
{ "name": "brightness", "type": "UInt16", "factor": 1, "multi": false },
],
"ds18b20": [
{ "name": "t", "type": "Int16", "factor": 100, "multi": true },
]

7
src/config.h.example
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@ -60,6 +60,7 @@
// #define HAS_BME280
// #define HAS_SHT21
// #define HAS_HM330x
// #define HAS_BRIGHTNESS
// #define HAS_DS18B20
/**************************************************************************************************************************
@ -77,6 +78,12 @@
// Setting it to 0 disables Sleep Mode
#define HM330x_SLEEP_PIN 0
// LED connected between 2 pins, switched in reverse direction for brightness measurement
// BRIGHTNESS_LED_A -> LED Anode
// BRIGHTNESS_LED_C -> LED Cathode
#define BRIGHTNESS_LED_A PIN_PC0
#define BRIGHTNESS_LED_C PIN_PC1
/**************************************************************************************************************************
* How many minutes to sleep between Measuring/Sending
* Since this is a 2-byte value internally, intervals between 1 and 65536 are possible

7
src/main.cpp
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@ -39,6 +39,9 @@
#ifdef HAS_HM330x
#include <HM330x.h>
#endif
#ifdef HAS_BRIGHTNESS
#include <Brightness.h>
#endif
#ifdef HAS_DS18B20
#include <DS18B20.h>
#endif
@ -369,6 +372,10 @@ void setup()
sensors[i] = new HM330x(HM330x_SLEEP_PIN);
i++;
#endif
#ifdef HAS_BRIGHTNESS
sensors[i] = new Brightness(BRIGHTNESS_LED_A, BRIGHTNESS_LED_C);
i++;
#endif
#ifdef HAS_DS18B20
sensors[i] = new DS18B20(DS18B20_PIN, DS18B20_RES);
i++;