From 57b81d01b1175cc52d3262c1df58c4c4bdc81f6c Mon Sep 17 00:00:00 2001
From: Jonas Hahn <jonashahn1@gmx.net>
Date: Sat, 20 Dec 2025 18:13:58 +0100
Subject: [PATCH] Gpt test post

---
 README.md                   |  5 +++--
 main/CMakeLists.txt         |  2 +-
 main/station_example_main.c | 28 ++++++++++++++++++++++++++++
 3 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 8c855c5..55bbac5 100755
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
-| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-S2 | ESP32-S3 | ESP32-P4 | ESP32-H2 |
-| ----------------- | ----- | -------- | -------- | -------- | --------- | -------- | -------- | -------- | -------- | -------- |
+# Notes
+
+Remember to enable BOYA chip in the menuconfig.
 
 # Wi-Fi Station Example
 
diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 1e86bfe..ccde765 100755
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -1,3 +1,3 @@
 idf_component_register(SRCS "station_example_main.c"
-                    PRIV_REQUIRES esp_wifi nvs_flash esp_adc
+                    PRIV_REQUIRES esp_wifi nvs_flash esp_adc esp_http_client
                     INCLUDE_DIRS ".")
diff --git a/main/station_example_main.c b/main/station_example_main.c
index 115ed2a..98d2893 100755
--- a/main/station_example_main.c
+++ b/main/station_example_main.c
@@ -22,7 +22,9 @@
 
 #include "esp_adc/adc_continuous.h"
 #include "esp_adc/adc_cali.h"
+#include "esp_http_client.h"
 
+#define SERVER_URL "http://192.168.178.157:8080/data"
 
 /* The examples use WiFi configuration that you can set via project configuration menu
 
@@ -163,6 +165,31 @@ void wifi_init_sta(void)
     }
 }
 
+void send_voltage(float v)
+{
+    char payload[64];
+    snprintf(payload, sizeof(payload),
+             "{\"voltage\":%.2f}", v);
+
+    esp_http_client_config_t cfg = {
+        .url = SERVER_URL,
+        .method = HTTP_METHOD_POST,
+        .timeout_ms = 2000,
+    };
+
+    esp_http_client_handle_t client =
+        esp_http_client_init(&cfg);
+
+    esp_http_client_set_header(
+        client, "Content-Type", "application/json");
+    esp_http_client_set_post_field(
+        client, payload, strlen(payload));
+
+    esp_http_client_perform(client);
+    esp_http_client_cleanup(client);
+}
+
+
 void app_main(void)
 {
     //Initialize NVS
@@ -181,4 +208,5 @@ void app_main(void)
 
     ESP_LOGI(TAG, "ESP_WIFI_MODE_STA");
     wifi_init_sta();
+    send_voltage(0.5);
 }