Reworked esp32 wroom to esp32c3 zero board

- Fixed minor Bug from Testing with multiple Nodes

main/communication_handler.c

@@ -1,5 +1,6 @@
 #include "esp_log.h"
 #include "esp_timer.h"
+#include "freertos/idf_additions.h"
 
 #include "communication_handler.h"
 
@@ -27,12 +28,12 @@ void init_com() {
 
 // return any inactive client field for new usage
 int getNextFreeClientId() {
-  for (int i = 0; i < numClients; i++) {
+  for (int i = 0; i < MAX_CLIENTS; i++) {
     if (!clients[i].isAvailable) {
       return i;
     }
   }
-  return 0;
+  return -1;
 }
 
 void add_peer(uint8_t *macAddr) {
@@ -46,8 +47,10 @@ void add_peer(uint8_t *macAddr) {
 
   esp_err_t result = esp_now_add_peer(&peerInfo);
   if (result == ESP_OK) {
-    ESP_LOGI(TAG, "Peer added: %02X:%02X:%02X:%02X:%02X:%02X", macAddr[0],
-             macAddr[1], macAddr[2], macAddr[3], macAddr[4], macAddr[5]);
+    ESP_LOGI(TAG, "Peer added: %02X:%02X:%02X:%02X:%02X:%02X",
+             peerInfo.peer_addr[0], peerInfo.peer_addr[1],
+             peerInfo.peer_addr[2], peerInfo.peer_addr[3],
+             peerInfo.peer_addr[4], peerInfo.peer_addr[5]);
 
     if (!IS_BROADCAST_ADDR(macAddr)) {
 
@@ -116,10 +119,30 @@ void master_broadcast_task(void *param) {
   }
 }
 
+void master_broadcast_ping(void *param) {
+  while (1) {
+    // BroadCastPayload payload = {};
+    PingPayload payload = {};
+    payload.timestamp = esp_timer_get_time();
+    BaseMessage message =
+        MessageBuilder(PingPage, *(PayloadUnion *)&payload, sizeof(payload));
+    ESP_ERROR_CHECK(esp_now_send(broadcast_address, (uint8_t *)&message,
+                                 sizeof(BaseMessage)));
+    ESP_LOGI(TAG, "Broadcast PING Message sent");
+    vTaskDelay(pdMS_TO_TICKS(2500));
+  }
+}
+
+
+
 void master_ping_task(void *param) {
   while (1) {
-    for (size_t i = 0; i < MAX_CLIENTS; ++i) {
+    for (size_t i = 0; i < MAX_CLIENTS; i++) {
+      // ESP_LOGI(TAG, "WANT TO SEND PING TO CLIENT %zu isAvailiable %d", i,
+      //          clients[i].isAvailable);
       if (clients[i].isAvailable) {
+        ESP_LOGI(TAG, "SEND PING TO %zu: %s", i,
+                 MACtoString(clients[i].macAddr));
         PingPayload payload = {};
         payload.timestamp = esp_timer_get_time();
         BaseMessage message = MessageBuilder(
@@ -127,6 +150,7 @@ void master_ping_task(void *param) {
         esp_now_send(clients[i].macAddr, (uint8_t *)&message,
                      sizeof(BaseMessage));
         ESP_LOGI(TAG, "SENDING PING!!!!");
+        vTaskDelay(pdMS_TO_TICKS(5));
       }
     }
     vTaskDelay(pdMS_TO_TICKS(1000));
@@ -136,7 +160,6 @@ void master_ping_task(void *param) {
 void master_receive_callback(const esp_now_recv_info_t *esp_now_info,
                              const uint8_t *data, int data_len) {
   ESP_LOGI(TAG, "MASTER GOT MESSAGE");
-  ESP_LOGI(TAG, "Message: %.*s", data_len, data);
 
   const BaseMessage *message = (const BaseMessage *)data;
   switch (message->commandPage) {
@@ -158,7 +181,8 @@ void master_receive_callback(const esp_now_recv_info_t *esp_now_info,
           memcmp(clients[i].macAddr, esp_now_info->src_addr,
                  ESP_NOW_ETH_ALEN) == 0) {
         clients[i].lastSuccessfullPing = xTaskGetTickCount();
-        ESP_LOGI(TAG, "Updated client %d last ping time to %lu", i,
+        ESP_LOGI(TAG, "Updated client %d: %s last ping time to %lu", i,
+                 MACtoString(clients[i].macAddr),
                  clients[i].lastSuccessfullPing);
         break;
       }
@@ -202,9 +226,9 @@ void master_receive_callback(const esp_now_recv_info_t *esp_now_info,
     default:
       ESP_LOGI(TAG, "Unknown Message %i", checkPeer);
     }
-
     break;
   default:
+    ESP_LOGI(TAG, "Unknown CommandPage %i", message->commandPage);
     break;
   }
 }

main/communication_handler.h

@@ -79,6 +79,7 @@ BaseMessage MessageBuilder(CommandPages commandPage, PayloadUnion payload,
 
 void master_broadcast_task(void *param);
 void master_ping_task(void *param);
+void master_broadcast_ping(void *param);
 void master_receive_callback(const esp_now_recv_info_t *esp_now_info,
                              const uint8_t *data, int data_len);
 

main/main.c

@@ -5,12 +5,14 @@
 #include "esp_rom_gpio.h"
 #include "esp_timer.h"
 #include "esp_wifi.h"
+#include "freertos/idf_additions.h"
 #include "hal/uart_types.h"
 #include "nvs_flash.h"
 
+#include "communication_handler.h"
 #include "main.h"
 #include "uart_handler.h"
-#include "communication_handler.h"
+#include <stdbool.h>
 
 static const char *TAG = "ALOX - MAIN";
 
@@ -58,9 +60,12 @@ void app_main(void) {
     ESP_LOGI(TAG, "Started in Mastermode");
     add_peer(broadcast_address);
     xTaskCreate(master_broadcast_task, "MasterBroadcast", 4096, NULL, 1, NULL);
-    xTaskCreate(master_ping_task, "MasterPing", 4096, NULL, 1, NULL);
+    // xTaskCreate(master_ping_task, "MasterPing", 4096, NULL, 1, NULL);
+    xTaskCreate(master_broadcast_ping, "MasterBroadcastPing", 4096, NULL, 1,
+                NULL);
     xTaskCreate(client_monitor_task, "MonitorClientTask", 4096, NULL, 1, NULL);
     init_uart();
+    xTaskCreate(uart_status_task, "MasterUartStatusTask", 4096, NULL, 1, NULL);
   } else {
     ESP_LOGI(TAG, "Started in Slavemode");
     xTaskCreate(client_data_sending_task, "ClientDataSending", 4096, NULL, 1,

main/main.h

@@ -14,6 +14,6 @@
 #include <stdio.h>
 #include <string.h>
 
-#define MASTER_MODE_PIN GPIO_NUM_23 // Jumper-Erkennungspin
+#define MASTER_MODE_PIN GPIO_NUM_0 // Jumper-Erkennungspin
 
 #endif

main/uart_handler.c

@@ -1,8 +1,10 @@
-#include "driver/uart.h"
 #include "driver/gpio.h"
+#include "driver/uart.h"
 #include "esp_log.h"
+#include "freertos/idf_additions.h"
 #include "hal/uart_types.h"
 #include "nvs_flash.h"
+#include "portmacro.h"
 
 #include "uart_handler.h"
 
@@ -36,3 +38,10 @@ void uart_read_task(void *param) {
     }
   }
 }
+
+void uart_status_task(void *param) {
+  while (1) {
+    uart_write_bytes(MASTER_UART, "c1,status,0\n\r", sizeof("c1,status,0\n\r"));
+    vTaskDelay(1000 / portTICK_PERIOD_MS);
+  }
+}

main/uart_handler.h

@@ -1,13 +1,14 @@
 #ifndef UART_HANDLER_H
 #define UART_HANDLER_H
 
-#define MASTER_UART UART_NUM_2
-#define TXD_PIN (GPIO_NUM_17)
-#define RXD_PIN (GPIO_NUM_16)
+#define MASTER_UART UART_NUM_1
+#define TXD_PIN (GPIO_NUM_1)
+#define RXD_PIN (GPIO_NUM_2)
 
 #define BUF_SIZE (1024)
 
 void init_uart();
 void uart_read_task(void *param);
+void uart_status_task(void *param);
 
 #endif

readme.md

@@ -1,3 +1,8 @@
+# Roadmap 
+- [ ] SEND STATUS OF DEVICE OVER UART
+- [ ] CONFIGURE PEERS OVER MASTER
+- [ ] SAVE PIN CONFIG ON PEERS
+
 # Machbarkeits-Studie
 
 ## 1.0 Hardware-Features