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-rw-r--r--.clang-format14
-rw-r--r--main/main.c276
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();
}