From 727dc8c2ee6b402a20a717fb541cdede7dfb246e Mon Sep 17 00:00:00 2001
From: jedi <git@m.j3d1.de>
Date: Mon, 19 Jul 2021 00:18:16 +0200
Subject: [PATCH] add wifi semaphore

---
 firmware/fiatlux.c | 2 ++
 firmware/wifi.cpp  | 3 +++
 firmware/wifi.h    | 5 +++++
 3 files changed, 10 insertions(+)

diff --git a/firmware/fiatlux.c b/firmware/fiatlux.c
index 2ae2637..20249e9 100644
--- a/firmware/fiatlux.c
+++ b/firmware/fiatlux.c
@@ -20,6 +20,8 @@ void user_init(void)
 
     system_init_config();
 
+    wifi_available_semaphore = xSemaphoreCreateBinary();
+
     xTaskCreate(wifi_task, "wifi_task", 512, NULL, 2, NULL);
 
 }
diff --git a/firmware/wifi.cpp b/firmware/wifi.cpp
index 5526068..aaf3e8d 100644
--- a/firmware/wifi.cpp
+++ b/firmware/wifi.cpp
@@ -30,6 +30,7 @@ char *wifi_sta_password = nullptr;
 char *wifi_ap_ssid = nullptr;
 char *wifi_ap_password = nullptr;
 
+SemaphoreHandle_t wifi_available_semaphore = nullptr;
 
 [[noreturn]] static void dns_task(void *pvParameters) {
     char *wifi_ap_ip_addr = nullptr;
@@ -352,6 +353,8 @@ extern "C" [[noreturn]] void wifi_task(void *pvParameters) {
     if(wifi_ap_ssid) free(wifi_ap_ssid);
     if(wifi_ap_password) free(wifi_ap_password);
 
+    xSemaphoreGive( wifi_available_semaphore);
+
     while (1) {
         //monitor connection here
         vTaskDelay(5000);
diff --git a/firmware/wifi.h b/firmware/wifi.h
index 58f957c..9fec7da 100644
--- a/firmware/wifi.h
+++ b/firmware/wifi.h
@@ -5,10 +5,15 @@
 #ifndef FIRMWARE_WIFI_H
 #define FIRMWARE_WIFI_H
 
+#include <FreeRTOS.h>
+#include <semphr.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+extern SemaphoreHandle_t wifi_available_semaphore;
+
 void wifi_task(void *pvParameters);
 
 #ifdef __cplusplus