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Scan for i2c sensors in environmental telemetry if enabled (#1492)

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* Scan for i2c sensors in environmental telemetry if enabled

* Update TelemetrySensor.h

* Added surpression.

* Remove suppression and fix real bug

* Interrogate BME sensor id registers
This commit is contained in:
Ben Meadors
2022-06-05 09:50:06 -05:00
committed by GitHub
parent 4ab831c103
commit eafbef0c2f
17 changed files with 133 additions and 98 deletions
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22
src/debug/i2cScan.h
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@@ -1,6 +1,7 @@
#include "../configuration.h"
#include "../main.h"
#include <Wire.h>
#include "mesh/generated/telemetry.pb.h"
#ifndef NO_WIRE
uint8_t oled_probe(byte addr)
@@ -104,6 +105,27 @@ void scanI2Cdevice(void)
DEBUG_MSG("axp192 PMU found\n");
}
#endif
if (addr == BME_ADDR || addr == BME_ADDR_ALTERNATE) {
Wire.beginTransmission(addr);
Wire.write(0xD0); // GET_ID
Wire.endTransmission();
delay(20);
Wire.requestFrom((int)addr, 1);
if (Wire.available()) {
r = Wire.read();
}
if (r == 0x61) {
DEBUG_MSG("BME-680 sensor found at address 0x%x\n", (uint8_t)addr);
nodeTelemetrySensorsMap[TelemetrySensorType_BME680] = addr;
} else if (r == 0x60) {
DEBUG_MSG("BME-280 sensor found at address 0x%x\n", (uint8_t)addr);
nodeTelemetrySensorsMap[TelemetrySensorType_BME280] = addr;
}
}
if (addr == MCP9808_ADDR) {
nodeTelemetrySensorsMap[TelemetrySensorType_MCP9808] = addr;
DEBUG_MSG("MCP9808 sensor found at address 0x%x\n", (uint8_t)addr);
}
} else if (err == 4) {
DEBUG_MSG("Unknow error at address 0x%x\n", addr);
}