test

main/packets.h

@@ -13,6 +13,12 @@
 #define DownlinkPacketType_Ping 1
 #define DownlinkPacketType_ACK 255
 
+#define BME680_PRESENT_BIT (1 << 0)
+#define CCS811_PRESENT_BIT (1 << 1)
+#define MPU9250_PRESENT_BIT (1 << 2)
+#define INA260_PRESENT_BIT (1 << 3)
+#define MCP23018_PRESENT_BIT (1 << 4)
+
 typedef struct __attribute__((packed))
 {
     char syncPhrase[10];
@@ -91,6 +97,8 @@ typedef struct __attribute__((packed))
     int16_t currentServoB;
     int16_t targetServoB;
 
+    uint8_t presentDevices;
+
     uint8_t telemetryIndex;
 
 } TelemetryPacket;

main/radio.c

@@ -8,7 +8,6 @@
 #include "packets.h"
 #include "esp_rom_crc.h"
 
-
 #define TAG "LoRaGS"
 
 uint32_t uplinkPacketIndex = 0;
@@ -70,6 +69,8 @@ void printTelemetryPacket(const TelemetryPacket *packet)
 
     temp_f = (packet->accelerometer_temperature / 333.87) + 21.0; // Temperature in °C
 
+    if (packet->presentDevices & MPU9250_PRESENT_BIT)
+    {
         // MPU Data
         ESP_LOGI(TAG, "  MPU:");
         ESP_LOGI(TAG, "    Acceleration [X: %d, Y: %d, Z: %d]", packet->accelerationX, packet->accelerationY, packet->accelerationZ);
@@ -83,14 +84,24 @@ void printTelemetryPacket(const TelemetryPacket *packet)
         ESP_LOGI(TAG, "    Gyroscope      [X: %.3f deg/s, Y: %.3f deg/s, Z: %.3f deg/s]", gyro_f[0], gyro_f[1], gyro_f[2]);
         ESP_LOGI(TAG, "    Magnetometer    [X: %.3f uT, Y: %.3f uT, Z: %.3f uT]", magnet_f[0], magnet_f[1], magnet_f[2]);
         ESP_LOGI(TAG, "    Accelerometer Temp: %f °C", temp_f);
+    } else {
+        ESP_LOGE(TAG, "  MPU9250 not plugged in");
+    }
 
+    if (packet->presentDevices & CCS811_PRESENT_BIT)
+    {
         // CCS Data
         ESP_LOGI(TAG, "  CCS:");
         ESP_LOGI(TAG, "    eCO2: %u ppm", packet->eCO2);
         ESP_LOGI(TAG, "    TVOC: %u ppb", packet->tvoc);
         ESP_LOGI(TAG, "    Current CCS: %u", packet->currentCCS);
         ESP_LOGI(TAG, "    Raw CCS Data: %u", packet->rawCCSData);
+    } else {
+        ESP_LOGE(TAG, "  CCS811 not plugged in");
+    }
 
+    if (packet->presentDevices & INA260_PRESENT_BIT)
+    {
         float miliVolts = packet->volts * 1.25;
         float miliAmps = packet->current * 1.25;
         float power = packet->power * 10;
@@ -100,6 +111,12 @@ void printTelemetryPacket(const TelemetryPacket *packet)
         ESP_LOGI(TAG, "    Voltage: %f mV", miliVolts);
         ESP_LOGI(TAG, "    Current: %f mA", miliAmps);
         ESP_LOGI(TAG, "    Power: %f mW", power);
+    }
+    else {
+        ESP_LOGE(TAG, "  INA260 not plugged in");
+    }
+    if (packet->presentDevices & BME680_PRESENT_BIT)
+    {
 
         // BME Data
         ESP_LOGI(TAG, "  BME:");
@@ -122,6 +139,9 @@ void printTelemetryPacket(const TelemetryPacket *packet)
         ESP_LOGI(TAG, "    Temperature Score: %.2f", packet->temperature_score);
         ESP_LOGI(TAG, "    Humidity Score: %.2f", packet->humidity_score);
         ESP_LOGI(TAG, "    Gas Score: %.2f", packet->gas_score);
+    } else {
+        ESP_LOGE(TAG, "  BME680 not plugged in");
+    }
 
     // GPS Data
     ESP_LOGI(TAG, "  GPS:");
@@ -139,19 +159,23 @@ void printTelemetryPacket(const TelemetryPacket *packet)
     ESP_LOGI(TAG, "    Predicted Longitude: %.4f°", packet->predicted_longitude_centi_degrees / 10000.0f);
     ESP_LOGI(TAG, "    Predicted Altitude: %.2f m", packet->predicted_altitude_centi_meters / 100.0f);
 
+    if (packet->presentDevices & MCP23018_PRESENT_BIT)
+    {
         // ADC Data
         ESP_LOGI(TAG, "  ADC Sensors:");
         ESP_LOGI(TAG, "    NH3: %d", packet->NH3);
         ESP_LOGI(TAG, "    CO: %d", packet->CO);
         ESP_LOGI(TAG, "    NO2: %d", packet->NO2);
         ESP_LOGI(TAG, "    UVC: %d", packet->UVC);
+    } else {
+        ESP_LOGE(TAG, "  IO Expander not plugged in");
+    }
 
     // Servo Data
     ESP_LOGI(TAG, "  Servos:");
     ESP_LOGI(TAG, "    Servo A: Current = %d, Target = %d", packet->currentServoA, packet->targetServoA);
     ESP_LOGI(TAG, "    Servo B: Current = %d, Target = %d", packet->currentServoB, packet->targetServoB);
     ESP_LOGI(TAG, "  TelemetryIndex: %d", packet->telemetryIndex);
-
 }
 
 void handle_downlink_packet(uint8_t *buf, uint8_t rxLen)
@@ -179,7 +203,8 @@ void handle_downlink_packet(uint8_t *buf, uint8_t rxLen)
 
     uint32_t crcCheck = esp_rom_crc32_le(0, payload, payloadSize);
 
-    if (crcCheck != down.CRCCheck) {
+    if (crcCheck != down.CRCCheck)
+    {
         ESP_LOGE(TAG, "Received BAD CRC for packet %d, crc is %ld, should be %ld", down.packetIndex, crcCheck, down.CRCCheck);
         return;
     }
@@ -213,8 +238,10 @@ void handle_downlink_packet(uint8_t *buf, uint8_t rxLen)
 
     uint32_t crc = esp_rom_crc32_le(0, &(buf[0]) + sizeof(DownBoundPacket), payloadSize);
 
-
+    if (down.packetType != DownlinkPacketType_ACK && down.packetType != DownlinkPacketType_Telemetry)
+    {
         send_ack(down.packetIndex, crc);
+    }
 }
 
 void lora_comms_task(void *pvParameters)
@@ -240,10 +267,10 @@ void lora_comms_task(void *pvParameters)
         }
     }
 
-    uint8_t spreadingFactor = 7;
+    uint8_t spreadingFactor = 8;
     uint8_t bandwidth = SX126X_LORA_BW_250_0;
     uint8_t codingRate = SX126X_LORA_CR_4_8;
-    uint16_t preambleLength = 8;
+    uint16_t preambleLength = 4;
     bool crcOn = true;
     bool invertIrq = false;