Test apps for moisture and CO2 sensors

CMakeLists.txt

@@ -116,6 +116,8 @@ add_app_subdirectory(${TEST_APPS_DIR}/test-quadrature64cpr)
 add_app_subdirectory(${TEST_APPS_DIR}/test-stress-can)
 add_app_subdirectory(${TEST_APPS_DIR}/test-units)
 add_app_subdirectory(${TEST_APPS_DIR}/test-watchdog)
+add_app_subdirectory(${TEST_APPS_DIR}/test-CO2-sensor)
+add_app_subdirectory(${TEST_APPS_DIR}/test-moisture-sensor)
 
 # Ensure APP was specified
 if ("$ENV{APP}" STREQUAL "")

libs/sensors/CMakeLists.txt

@@ -21,3 +21,13 @@ target_link_libraries(CurrentSensor
         Sensor
         mbed-os
         )
+add_library(PollingSensors STATIC)
+target_sources(PollingSensors PRIVATE src/PollingSensors.cpp)
+target_include_directories(PollingSensors PUBLIC include)
+target_link_libraries(PollingSensors
+        PRIVATE
+        Sensor
+        mbed-os
+        Logger
+        )
+

libs/sensors/include/PollingSensors.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include "Sensor.h"
+#include "mbed.h"
+
+namespace Sensor {
+class PollingSensors final : Sensor {
+ public:
+  PollingSensors(PinName moisture_in, PinName co2_in);
+
+  float read() override {}
+
+  float alternateRead() override {}
+
+  bool getStatus() const override {}
+
+  [[nodiscard]] bool reset() override {}
+
+  [[nodiscard]] bool update() override {}
+
+  /* Functions specific to sensor modules*/
+
+  /* This function returns Moisture sensor value
+   * 0-300 - dry
+   * 300-700 - humid
+   * 700-900 - wet
+   * Returns -1 for fault
+   * */
+  float moisture_monitoring();
+
+  /* This function returns CO2 sensor value in ppm\
+   * Returns -1 for fault and 0 for preheating
+   * */
+  float C02_monitoring();
+
+ private:
+  /*Pins configuration for moisture sensing*/
+  AnalogIn m_moisture_in_adc;
+
+  /*Pins configuration for CO2 sensing*/
+  AnalogIn m_CO2_in_adc;
+};
+}  // namespace Sensor

libs/sensors/src/PollingSensors.cpp

@@ -0,0 +1,34 @@
+#include "PollingSensors.h"
+
+#include "Logger.h"
+
+using namespace Sensor;
+
+PollingSensors::PollingSensors(PinName moisture_in, PinName co2_in)
+    : m_moisture_in_adc(moisture_in), m_CO2_in_adc(co2_in) {}
+
+/*https://www.dfrobot.com/product-599.html*/
+float PollingSensors::moisture_monitoring() {
+  float moisture_reading = (m_moisture_in_adc.read_voltage() * 950) / 4.2;
+
+  if (moisture_reading < 0 && moisture_reading > 950) {
+    Utility::logger << "!!! MOISTURE FAULT:" << moisture_reading << "\n";
+    return -1;
+  }
+  return moisture_reading;
+}
+
+/*https://www.dfrobot.com/product-1549.html*/
+float PollingSensors::C02_monitoring() {
+  float CO2_reading = m_CO2_in_adc.read_voltage() * 1000;
+
+  if (CO2_reading <= 0) {
+    Utility::logger << "!!! CO2 FAULT:" << CO2_reading << "\n";
+    return -1;
+  } else if (CO2_reading < 400) {
+    Utility::logger << "!!! CO2 PREHEATING:" << CO2_reading << "\n";
+    return 0;
+  }
+  float concentration = ((CO2_reading - 400) * 50.0) / 16.0;
+  return concentration;
+}

supported_build_configurations.yaml

@@ -105,5 +105,13 @@ test-stress-can:
   - ARM_REV2_2021
   - GIMBAL_REV2_2021
   - PDB_REV2_2021
+  - SCIENCE_REV2_2021
+  - UWRT_NUCLEO
+
+test-moisture-sensor:
+  - SCIENCE_REV2_2021
+  - UWRT_NUCLEO
+
+test-CO2-sensor:
   - SCIENCE_REV2_2021
   - UWRT_NUCLEO

test-apps/test-CO2-sensor/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_executable(test-CO2-sensor)
+target_sources(test-CO2-sensor PRIVATE src/main.cpp)
+target_link_libraries(test-CO2-sensor PRIVATE PollingSensors Logger)
+mbed_set_post_build(test-CO2-sensor)

test-apps/test-CO2-sensor/src/main.cpp

@@ -0,0 +1,20 @@
+#include "PollingSensors.h"
+#include "PinNames.h"
+#include "Logger.h"
+
+DigitalOut led1(LED1);
+
+int main() {
+  Sensor::PollingSensors CO2_sensor(PA_0,PA_1);
+
+  while (1) {
+
+    printf("\r\nReading CO2 Levels...\r\n");
+
+    Utility::logger << "CO2: " << ((unsigned  int) CO2_sensor.C02_monitoring()) << "\r\n";
+
+    printf("\r\n-----------------------------\r\n");
+
+    ThisThread::sleep_for(100ms);
+  }
+}

test-apps/test-moisture-sensor/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_executable(test-moisture-sensor)
+target_sources(test-moisture-sensor PRIVATE src/main.cpp)
+target_link_libraries(test-moisture-sensor PRIVATE PollingSensors Logger)
+mbed_set_post_build(test-moisture-sensor)

test-apps/test-moisture-sensor/src/main.cpp

@@ -0,0 +1,20 @@
+#include "PollingSensors.h"
+#include "PinNames.h"
+#include "Logger.h"
+
+DigitalOut led1(LED1);
+
+int main() {
+  Sensor::PollingSensors moisture_sensor(PA_0, PA_1);
+
+  while (1) {
+
+    printf("\r\nReading moisture Levels...\r\n");
+
+    Utility::logger << "Moisture: " << ((unsigned  int) moisture_sensor.moisture_monitoring()) << "\r\n";
+
+    printf("\r\n-----------------------------\r\n");
+
+    ThisThread::sleep_for(100ms);
+  }
+}