removed lots of code and added clang-format

2 files changed, 66 insertions, 224 deletions

diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..03e38c9
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,14 @@
+---
+AccessModifierOffset: 0
+BasedOnStyle: LLVM
+BreakBeforeBraces: Attach
+ColumnLimit: 100
+IndentWidth: '4'
+Language: Cpp
+Standard: Cpp11
+TabWidth: '4'
+UseTab: Always
+
+...
+
+# vim: ft=yaml
diff --git a/main/main.c b/main/main.c
index 1c532b8..1cc9e60 100644
--- a/main/main.c
+++ b/main/main.c
@@ -1,249 +1,77 @@
-/* Simple HTTP Server Example
-
-   This example code is in the Public Domain (or CC0 licensed, at your option.)
-
-   Unless required by applicable law or agreed to in writing, this
-   software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-   CONDITIONS OF ANY KIND, either express or implied.
-*/
 #include <sys/param.h>
 
-#include "freertos/FreeRTOS.h"
-#include "freertos/task.h"
-#include "esp_system.h"
+#include "esp_event.h"
 #include "esp_log.h"
 #include "esp_netif.h"
-#include "esp_event.h"
-#include "protocol_examples_common.h"
+#include "esp_system.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
 #include "nvs.h"
 #include "nvs_flash.h"
+#include "protocol_examples_common.h"
 
 #include <esp_http_server.h>
 
-static const char *TAG="APP";
-
-/* An HTTP GET handler */
-esp_err_t hello_get_handler(httpd_req_t *req)
-{
-    char*  buf;
-    size_t buf_len;
-
-    /* Get header value string length and allocate memory for length + 1,
-     * extra byte for null termination */
-    buf_len = httpd_req_get_hdr_value_len(req, "Host") + 1;
-    if (buf_len > 1) {
-        buf = malloc(buf_len);
-        /* Copy null terminated value string into buffer */
-        if (httpd_req_get_hdr_value_str(req, "Host", buf, buf_len) == ESP_OK) {
-            ESP_LOGI(TAG, "Found header => Host: %s", buf);
-        }
-        free(buf);
-    }
-
-    buf_len = httpd_req_get_hdr_value_len(req, "Test-Header-2") + 1;
-    if (buf_len > 1) {
-        buf = malloc(buf_len);
-        if (httpd_req_get_hdr_value_str(req, "Test-Header-2", buf, buf_len) == ESP_OK) {
-            ESP_LOGI(TAG, "Found header => Test-Header-2: %s", buf);
-        }
-        free(buf);
-    }
-
-    buf_len = httpd_req_get_hdr_value_len(req, "Test-Header-1") + 1;
-    if (buf_len > 1) {
-        buf = malloc(buf_len);
-        if (httpd_req_get_hdr_value_str(req, "Test-Header-1", buf, buf_len) == ESP_OK) {
-            ESP_LOGI(TAG, "Found header => Test-Header-1: %s", buf);
-        }
-        free(buf);
-    }
-
-    /* Read URL query string length and allocate memory for length + 1,
-     * extra byte for null termination */
-    buf_len = httpd_req_get_url_query_len(req) + 1;
-    if (buf_len > 1) {
-        buf = malloc(buf_len);
-        if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK) {
-            ESP_LOGI(TAG, "Found URL query => %s", buf);
-            char param[32];
-            /* Get value of expected key from query string */
-            if (httpd_query_key_value(buf, "query1", param, sizeof(param)) == ESP_OK) {
-                ESP_LOGI(TAG, "Found URL query parameter => query1=%s", param);
-            }
-            if (httpd_query_key_value(buf, "query3", param, sizeof(param)) == ESP_OK) {
-                ESP_LOGI(TAG, "Found URL query parameter => query3=%s", param);
-            }
-            if (httpd_query_key_value(buf, "query2", param, sizeof(param)) == ESP_OK) {
-                ESP_LOGI(TAG, "Found URL query parameter => query2=%s", param);
-            }
-        }
-        free(buf);
-    }
-
-    /* Set some custom headers */
-    httpd_resp_set_hdr(req, "Custom-Header-1", "Custom-Value-1");
-    httpd_resp_set_hdr(req, "Custom-Header-2", "Custom-Value-2");
-
-    /* Send response with custom headers and body set as the
-     * string passed in user context*/
-    const char* resp_str = (const char*) req->user_ctx;
-    httpd_resp_send(req, resp_str, strlen(resp_str));
-
-    /* After sending the HTTP response the old HTTP request
-     * headers are lost. Check if HTTP request headers can be read now. */
-    if (httpd_req_get_hdr_value_len(req, "Host") == 0) {
-        ESP_LOGI(TAG, "Request headers lost");
-    }
-    return ESP_OK;
-}
+static const char *TAG = "rgbstrip";
+int color[3];
+static httpd_handle_t server = NULL;
 
-httpd_uri_t hello = {
-    .uri       = "/hello",
-    .method    = HTTP_GET,
-    .handler   = hello_get_handler,
-    /* Let's pass response string in user
-     * context to demonstrate it's usage */
-    .user_ctx  = "Hello World!"
-};
-
-/* An HTTP POST handler */
-esp_err_t echo_post_handler(httpd_req_t *req)
-{
-    char buf[100];
-    int ret, remaining = req->content_len;
-
-    while (remaining > 0) {
-        /* Read the data for the request */
-        if ((ret = httpd_req_recv(req, buf,
-                        MIN(remaining, sizeof(buf)))) <= 0) {
-            if (ret == HTTPD_SOCK_ERR_TIMEOUT) {
-                /* Retry receiving if timeout occurred */
-                continue;
-            }
-            return ESP_FAIL;
-        }
-
-        /* Send back the same data */
-        httpd_resp_send_chunk(req, buf, ret);
-        remaining -= ret;
-
-        /* Log data received */
-        ESP_LOGI(TAG, "=========== RECEIVED DATA ==========");
-        ESP_LOGI(TAG, "%.*s", ret, buf);
-        ESP_LOGI(TAG, "====================================");
-    }
-
-    // End response
-    httpd_resp_send_chunk(req, NULL, 0);
-    return ESP_OK;
-}
+esp_err_t hello_get_handler(httpd_req_t *req) {
+	const char *resp_str = "Hello, world!\n";
+	httpd_resp_send(req, resp_str, strlen(resp_str));
 
-httpd_uri_t echo = {
-    .uri       = "/echo",
-    .method    = HTTP_POST,
-    .handler   = echo_post_handler,
-    .user_ctx  = NULL
-};
-
-/* An HTTP PUT handler. This demonstrates realtime
- * registration and deregistration of URI handlers
- */
-esp_err_t ctrl_put_handler(httpd_req_t *req)
-{
-    char buf;
-    int ret;
-
-    if ((ret = httpd_req_recv(req, &buf, 1)) <= 0) {
-        if (ret == HTTPD_SOCK_ERR_TIMEOUT) {
-            httpd_resp_send_408(req);
-        }
-        return ESP_FAIL;
-    }
-
-    if (buf == '0') {
-        /* Handler can be unregistered using the uri string */
-        ESP_LOGI(TAG, "Unregistering /hello and /echo URIs");
-        httpd_unregister_uri(req->handle, "/hello");
-        httpd_unregister_uri(req->handle, "/echo");
-    }
-    else {
-        ESP_LOGI(TAG, "Registering /hello and /echo URIs");
-        httpd_register_uri_handler(req->handle, &hello);
-        httpd_register_uri_handler(req->handle, &echo);
-    }
-
-    /* Respond with empty body */
-    httpd_resp_send(req, NULL, 0);
-    return ESP_OK;
+	return ESP_OK;
 }
 
-httpd_uri_t ctrl = {
-    .uri       = "/ctrl",
-    .method    = HTTP_PUT,
-    .handler   = ctrl_put_handler,
-    .user_ctx  = NULL
-};
-
-httpd_handle_t start_webserver(void)
-{
-    httpd_handle_t server = NULL;
-    httpd_config_t config = HTTPD_DEFAULT_CONFIG();
-
-    // Start the httpd server
-    ESP_LOGI(TAG, "Starting server on port: '%d'", config.server_port);
-    if (httpd_start(&server, &config) == ESP_OK) {
-        // Set URI handlers
-        ESP_LOGI(TAG, "Registering URI handlers");
-        httpd_register_uri_handler(server, &hello);
-        httpd_register_uri_handler(server, &echo);
-        httpd_register_uri_handler(server, &ctrl);
-        return server;
-    }
-
-    ESP_LOGI(TAG, "Error starting server!");
-    return NULL;
-}
+httpd_uri_t hello = {.uri = "/", .method = HTTP_GET, .handler = hello_get_handler};
 
-void stop_webserver(httpd_handle_t server)
-{
-    // Stop the httpd server
-    httpd_stop(server);
-}
+httpd_handle_t start_webserver(void) {
+	httpd_handle_t server = NULL;
+	httpd_config_t config = HTTPD_DEFAULT_CONFIG();
 
-static httpd_handle_t server = NULL;
+	ESP_LOGI(TAG, "Starting server on port: '%d'", config.server_port);
+	if (httpd_start(&server, &config) == ESP_OK) {
+		ESP_LOGI(TAG, "Registering URI handlers");
+		httpd_register_uri_handler(server, &hello);
+		return server;
+	}
 
-static void disconnect_handler(void* arg, esp_event_base_t event_base, 
-                               int32_t event_id, void* event_data)
-{
-    httpd_handle_t* server = (httpd_handle_t*) arg;
-    if (*server) {
-        ESP_LOGI(TAG, "Stopping webserver");
-        stop_webserver(*server);
-        *server = NULL;
-    }
+	ESP_LOGI(TAG, "Error starting server!");
+	return NULL;
 }
 
-static void connect_handler(void* arg, esp_event_base_t event_base, 
-                            int32_t event_id, void* event_data)
-{
-    httpd_handle_t* server = (httpd_handle_t*) arg;
-    if (*server == NULL) {
-        ESP_LOGI(TAG, "Starting webserver");
-        *server = start_webserver();
-    }
+void stop_webserver(httpd_handle_t server) { httpd_stop(server); }
+
+static void disconnect_handler(void *arg, esp_event_base_t event_base, int32_t event_id,
+							   void *event_data) {
+	httpd_handle_t *server = (httpd_handle_t *)arg;
+	if (*server) {
+		ESP_LOGI(TAG, "Stopping webserver");
+		stop_webserver(*server);
+		*server = NULL;
+	}
 }
 
-void app_main()
-{
-    ESP_ERROR_CHECK(nvs_flash_init());
-    ESP_ERROR_CHECK(esp_netif_init());
-    ESP_ERROR_CHECK(esp_event_loop_create_default());
+static void connect_handler(void *arg, esp_event_base_t event_base, int32_t event_id,
+							void *event_data) {
+	httpd_handle_t *server = (httpd_handle_t *)arg;
+	if (*server == NULL) {
+		ESP_LOGI(TAG, "Starting webserver");
+		*server = start_webserver();
+	}
+}
 
+void app_main() {
+	ESP_ERROR_CHECK(nvs_flash_init());
+	ESP_ERROR_CHECK(esp_netif_init());
+	ESP_ERROR_CHECK(esp_event_loop_create_default());
 
-    ESP_ERROR_CHECK(example_connect());
+	ESP_ERROR_CHECK(example_connect());
 
-    ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &connect_handler, &server));
-    ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED, &disconnect_handler, &server));
+	ESP_ERROR_CHECK(
+		esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &connect_handler, &server));
+	ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED,
+											   &disconnect_handler, &server));
 
-    server = start_webserver();
+	server = start_webserver();
 }