rmt + some of link layer

components/dataLink/include/Tables.h

@@ -0,0 +1,32 @@
+#pragma once
+#ifdef DATA_LINK
+#include "freertos/FreeRTOS.h"
+
+#define RIP_MAX_HOPS 15 //16 or more is infinite
+#define RIP_MAX_ROUTES 10 //for the demo we will use up to 10 boards in total (9 other boards will be connected = 9 rows)
+#define RIP_INVALID_ROW 0
+// #define RIP_BROADCAST_INTERVAL 30000 //broadcast every 30 seconds (30000ms)
+#define RIP_BROADCAST_INTERVAL 3000 //temp broadcast every 3 seconds (3000ms)
+#define RIP_TTL_START 180 //seconds
+#define RIP_MS_TO_SEC 1000 //1000 ms to 1 sec
+#define RIP_MAX_SEM_WAIT 30
+
+/**
+ * @brief Routing data to a board
+ * This struct will be sent to other boards
+ */
+typedef struct _rip_hops{
+    uint8_t board_id; //ID of the destination
+    uint8_t hops; //hop count to `board_id`
+} RIPHop;
+
+typedef struct _rip_row{
+    RIPHop info;
+    uint8_t channel; //rmt channel
+    uint8_t ttl; //how long this entry is valid for. starting value is 180 seconds
+    uint8_t valid; //is this a valid entry?
+    StaticSemaphore_t mutex_buf; //where mutex state is stored
+    SemaphoreHandle_t row_sem; //mutex sem handle of mutex_buf
+} RIPRow;
+
+#endif //DATA_LINK