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Revert "Explicitly set active mode for PM sensor upon initialization"

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This reverts commit 0d39643e76.
This commit is contained in:
nick-4711
2024-09-15 08:23:32 +07:00
parent 0d39643e76
commit 90f336dee7
6 changed files with 21 additions and 35 deletions
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22
src/PMS/PMS.cpp
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@ -2,48 +2,34 @@
#include "../Main/BoardDef.h"
/**
* @brief Initializes the sensor and attempts to read data.
* @brief Init and check that sensor has connected
*
* @param stream UART stream
* @return true Sucecss
* @return false Failure
*/
bool PMSBase::begin(Stream *stream) {
Serial.printf("initializing PM sensor\n");
this->stream = stream;
failed = true;
failCount = 0;
lastRead = 0; // To read buffer on handle without wait after 1.5sec
// empty first
int bytesCleared = 0;
while (this->stream->read() != -1) {
bytesCleared++;
}
Serial.printf("cleared %d byte(s)\n", bytesCleared);
// explicitly put the sensor into active mode, this seems to be be needed for the Cubic PM2009X
Serial.printf("setting active mode\n");
uint8_t activeModeCommand[] = { 0x42, 0x4D, 0xE1, 0x00, 0x01, 0x01, 0x71 };
size_t bytesWritten = this->stream->write(activeModeCommand, sizeof(activeModeCommand));
Serial.printf("%d byte(s) written\n", bytesWritten);
this->stream->flush();
// Run and check sensor data for 4sec
while (1) {
handle();
if (failed == false) {
Serial.printf("PM sensor initialized\n");
return true;
return true;
}
delay(10);
delay(1);
uint32_t ms = (uint32_t)(millis() - lastRead);
if (ms >= 4000) {
break;
}
}
Serial.printf("PM sensor initialization failed\n");
return false;
}