schmidtsi76327/ESP8266_Treppenlicht
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v1.0.1 ldr corrected

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This commit is contained in:
Simon Schmidt 2021-09-06 13:42:55 +02:00
parent 8c45c65d00
commit 1686b9ea2a
3 changed files with 10 additions and 10 deletions
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2
data/index.html
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@ -51,7 +51,7 @@
<div class="param_block">
LDR Schwelle [lx]: <output id="out_ldr_shw" class="val_range">50</output> lx
<div class="slider">
<input type="range" class="regler" id="range_ldr_shw" data-output="out_ldr_shw" min="0" max="100" value="50">
<input type="range" class="regler" id="range_ldr_shw" data-output="out_ldr_shw" min="0" max="1000" value="50">
</div>
</div>

14
lib/treppe/treppe.cpp
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@ -173,11 +173,15 @@ float Treppe::read_ldr() {
ldr_value = E(LDR)
*/
// float ldr_ohm = 37280.00 / analogRead(A0);
float voltage = analogRead(A0) * 0.0036;
float ldr_ohm = 40.57 * (3.3 - voltage) / voltage;
float vol_adc = analogRead(A0) * 0.0036;
if(vol_adc > 3.29)
vol_adc = 3.29;
float ldr_ohm = 40.67 * (3.3 - vol_adc) / vol_adc;
float ldr_value = 6526.6 / (ldr_ohm * ldr_ohm);
#ifdef LDRDEBUG
Serial.printf("Ohm: %f lux: %f Comp: %d\n", ldr_ohm, ldr_value,
Serial.printf("vol_adc: %f Ohm: %f lux: %f Comp: %d\n", vol_adc, ldr_ohm, ldr_value,
param.ldr_schwelle);
#endif
return ldr_value;
@ -186,10 +190,6 @@ float Treppe::read_ldr() {
bool Treppe::check_ldr() {
static uint8_t active = 0;
#ifdef LDRDEBUG
// return true;
#endif
// follow up: averaging over many samples?
float ldr = read_ldr();

4
lib/treppe/treppe.h
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@ -5,8 +5,8 @@
#include "PCA9685.h"
#include <EEPROM.h>
//#define LDRDEBUG // comment in to override LDR measurement
#define LDR_HYS 8 // Hysteresis for switching off FSM [lux]
#define LDRDEBUG // comment in to override LDR measurement
#define LDR_HYS 100 // Hysteresis for switching off FSM [lux]
#define SENSOR_OBEN 16
#define SENSOR_UNTEN 12