DigitalInfinity/ESP32-PaxCounter
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Update sds011read.cpp

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August Quint 2020-02-25 15:41:12 +01:00 committed by GitHub
parent 20df7ca282
commit 0d18feb29d
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1 changed files with 39 additions and 34 deletions
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37
src/sds011read.cpp
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@ -3,12 +3,19 @@
// Local logging tag // Local logging tag
static const char TAG[] = __FILE__; static const char TAG[] = __FILE__;
#include <sds011read.h> #if (HAS_SDS)
#include "sds011read.h"
// UART(2) is unused in this project // UART(2) is unused in this project
#if (HAS_IF482) #if (HAS_IF482)
#error cannot use IF482 together with SDS011 (both use UART#2) #error cannot use IF482 together with SDS011 (both use UART#2)
#endif #endif
#ifndef SDS011_SERIAL
#error serial settings for SDS011 connection missing
#endif
static HardwareSerial sdsSerial(2); // so we use it here static HardwareSerial sdsSerial(2); // so we use it here
static SDS011 sdsSensor; // fine dust sensor static SDS011 sdsSensor; // fine dust sensor
@ -18,24 +25,22 @@ float pm10;
boolean isSDS011Active; boolean isSDS011Active;
// init // init
bool sds011_init() bool sds011_init() {
{
pm25 = pm10 = 0.0; pm25 = pm10 = 0.0;
sdsSensor.begin (&sdsSerial, ESP_PIN_RX, ESP_PIN_TX); sdsSerial.begin(SDS011_SERIAL);
sds011_sleep(); // we do sleep/wakup by ourselves sdsSensor.begin(&sdsSerial);
//sdsSensor.contmode(0); // for safety: no wakeup/sleep by the sensor
sds011_sleep(); // we do it by ourselves
return true; return true;
} }
// reading data: // reading data:
void sds011_loop() void sds011_loop() {
{ if (isSDS011Active) {
if ( isSDS011Active ) {
int sdsErrorCode = sdsSensor.read(&pm25, &pm10); int sdsErrorCode = sdsSensor.read(&pm25, &pm10);
if (sdsErrorCode) { if (sdsErrorCode) {
pm25 = pm10 = 0.0; pm25 = pm10 = 0.0;
ESP_LOGI(TAG, "SDS011 error: %d", sdsErrorCode); ESP_LOGI(TAG, "SDS011 error: %d", sdsErrorCode);
} } else {
else {
ESP_LOGI(TAG, "fine-dust-values: %5.1f,%4.1f", pm10, pm25); ESP_LOGI(TAG, "fine-dust-values: %5.1f,%4.1f", pm10, pm25);
} }
sds011_sleep(); sds011_sleep();
@ -44,18 +49,18 @@ void sds011_loop()
} }
// putting the SDS-sensor to sleep // putting the SDS-sensor to sleep
void sds011_sleep(void) void sds011_sleep(void) {
{
sdsSensor.sleep(); sdsSensor.sleep();
isSDS011Active = false; isSDS011Active = false;
} }
// start the SDS-sensor // start the SDS-sensor
// needs 30 seconds for warming up // needs 30 seconds for warming up
void sds011_wakeup() void sds011_wakeup() {
{ if (!isSDS011Active) {
if ( !isSDS011Active ) {
sdsSensor.wakeup(); sdsSensor.wakeup();
isSDS011Active = true; isSDS011Active = true;
} }
} }
#endif // HAS_SDS