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6b88d37b73
* asked claude to fix the gps power rail issue when the io slot is in use.. this fixes the gps when both the RAK12500 GPS module and the RAK12035 soil sensor modules are being used.
* remove do { ... } while(0) from RESTORE_3V3_POWER() Macro
* remove some comments
* cleaner macro
* removed more excessive comments
---------
Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
115 lines
4.2 KiB
C++
115 lines
4.2 KiB
C++
#include "configuration.h"
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#if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR && __has_include("RAK12035_SoilMoisture.h") && defined(RAK_4631) && RAK_4631 == 1
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#include "../mesh/generated/meshtastic/telemetry.pb.h"
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#include "RAK12035Sensor.h"
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// The RAK12035 library's sensor_sleep() sets WB_IO2 (GPIO 34) LOW, which controls
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// the 3.3V switched power rail (PIN_3V3_EN). This turns off power to ALL peripherals
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// including GPS. We need to restore power after the library turns it off.
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#ifdef PIN_3V3_EN
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#define RESTORE_3V3_POWER() digitalWrite(PIN_3V3_EN, HIGH)
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#else
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#define RESTORE_3V3_POWER()
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#endif
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RAK12035Sensor::RAK12035Sensor() : TelemetrySensor(meshtastic_TelemetrySensorType_RAK12035, "RAK12035") {}
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bool RAK12035Sensor::initDevice(TwoWire *bus, ScanI2C::FoundDevice *dev)
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{
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// TODO:: check for up to 2 additional sensors and start them if present.
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sensor.set_sensor_addr(RAK120351_ADDR);
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delay(100);
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sensor.begin(dev->address.address);
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uint8_t data = 0;
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sensor.get_sensor_version(&data);
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if (data != 0) {
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LOG_INFO("Init sensor: %s", sensorName);
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LOG_INFO("RAK12035Sensor Init Succeed \nSensor1 Firmware version: %i, Sensor Name: %s", data, sensorName);
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status = true;
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sensor.sensor_sleep();
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RESTORE_3V3_POWER();
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} else {
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LOG_INFO("Init sensor: %s", sensorName);
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LOG_ERROR("RAK12035Sensor Init Failed");
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status = false;
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}
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if (!status) {
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return status;
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}
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setup();
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initI2CSensor();
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return status;
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}
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void RAK12035Sensor::setup()
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{
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// TODO:: Check for and run calibration check for up to 2 additional sensors if present.
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uint16_t zero_val = 0;
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uint16_t hundred_val = 0;
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uint16_t default_zero_val = 550;
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uint16_t default_hundred_val = 420;
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sensor.sensor_on();
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delay(200);
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sensor.get_dry_cal(&zero_val);
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sensor.get_wet_cal(&hundred_val);
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delay(200);
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if (zero_val == 0 || zero_val <= hundred_val) {
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LOG_INFO("Dry calibration value is %d", zero_val);
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LOG_INFO("Wet calibration value is %d", hundred_val);
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LOG_INFO("This does not make sense. You can recalibrate this sensor using the calibration sketch included here: "
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"https://github.com/RAKWireless/RAK12035_SoilMoisture.");
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LOG_INFO("For now, setting default calibration value for Dry Calibration: %d", default_zero_val);
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sensor.set_dry_cal(default_zero_val);
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sensor.get_dry_cal(&zero_val);
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LOG_INFO("Dry calibration reset complete. New value is %d", zero_val);
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}
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if (hundred_val == 0 || hundred_val >= zero_val) {
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LOG_INFO("Dry calibration value is %d", zero_val);
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LOG_INFO("Wet calibration value is %d", hundred_val);
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LOG_INFO("This does not make sense. You can recalibrate this sensor using the calibration sketch included here: "
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"https://github.com/RAKWireless/RAK12035_SoilMoisture.");
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LOG_INFO("For now, setting default calibration value for Wet Calibration: %d", default_hundred_val);
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sensor.set_wet_cal(default_hundred_val);
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sensor.get_wet_cal(&hundred_val);
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LOG_INFO("Wet calibration reset complete. New value is %d", hundred_val);
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}
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sensor.sensor_sleep();
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RESTORE_3V3_POWER();
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delay(200);
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LOG_INFO("Dry calibration value is %d", zero_val);
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LOG_INFO("Wet calibration value is %d", hundred_val);
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}
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bool RAK12035Sensor::getMetrics(meshtastic_Telemetry *measurement)
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{
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// TODO:: read and send metrics for up to 2 additional soil monitors if present.
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measurement->variant.environment_metrics.has_soil_temperature = true;
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measurement->variant.environment_metrics.has_soil_moisture = true;
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uint8_t moisture = 0;
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uint16_t temp = 0;
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bool success = false;
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sensor.sensor_on();
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delay(200);
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success = sensor.get_sensor_moisture(&moisture);
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delay(200);
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success &= sensor.get_sensor_temperature(&temp);
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delay(200);
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sensor.sensor_sleep();
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RESTORE_3V3_POWER();
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if (success == false) {
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LOG_ERROR("Failed to read sensor data");
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return false;
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}
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measurement->variant.environment_metrics.soil_temperature = ((float)temp / 10.0f);
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measurement->variant.environment_metrics.soil_moisture = moisture;
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return true;
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}
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#endif
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