get mostly one directional comms working

main/components/packets.h

@@ -2,8 +2,20 @@
 #define PACKETS_STRUCTS
 #include "stdint.h"
 
+#define UplinkSync "PlechHore"
+#define DownlinkSync "PlechDole"
+
+#define UplinkPacketType_SystemControl 0
+#define UplinkPacketType_Ping 1
+#define UplinkPacketType_ACK 255
+
+#define DownlinkPacketType_Telemetry 0
+#define DownlinkPacketType_Ping 1
+#define DownlinkPacketType_ACK 255
+
 typedef struct __attribute__((packed))
 {
+    char syncPhrase[10];
     uint32_t packetIndex;
     uint8_t packetType;
     uint32_t missionTimer;
@@ -44,6 +56,15 @@ typedef struct __attribute__((packed))
     uint8_t gas_range;
     uint8_t gas_index;
 
+    float    air_temperature;       /*!< air temperature in degrees celsius */
+    float    relative_humidity;     /*!< relative humidity in percent */
+    float    barometric_pressure;   /*!< barometric pressure in hecto-pascal */
+    float    gas_resistance;        /*!< gas resistance in ohms */
+    uint16_t iaq_score;             /*!< air quality index (0..500) */
+    float    temperature_score;
+    float    humidity_score;
+    float    gas_score;
+
     // GPS DATA
     uint32_t time_seconds;           // Seconds since start of day
     int32_t latitude_centi_degrees;  // Latitude * 10,000
@@ -73,6 +94,7 @@ typedef struct __attribute__((packed))
 
 typedef struct __attribute__((packed))
 {
+    char syncPhrase[10];
     uint32_t packetIndex;
     uint8_t packetType;
 } UplinkPacket;
@@ -85,4 +107,15 @@ typedef struct __attribute__((packed))
     uint16_t servoB;
 } SystemControlPacket;
 
+typedef struct __attribute__((packed))
+{
+    uint8_t PingData[20];
+} PingPacket;
+
+typedef struct __attribute__((packed))
+{
+    uint32_t packetIndex;
+    uint32_t crc32Checksum;
+} ACKPacket;
+
 #endif