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authorlonkaars <loek@pipeframe.xyz>2021-08-09 13:09:10 +0200
committerlonkaars <loek@pipeframe.xyz>2021-08-09 13:09:10 +0200
commit3a78dbef98a7898d4dfc22ea3bd600bff596f75a (patch)
tree0c0465671a9da534dc070b7488b55195495c0a1a
parent4f6a1e071de9350954a2e2550e59e047cf5ac753 (diff)
color set/get with http POST/GET
-rw-r--r--main/main.c39
1 files changed, 34 insertions, 5 deletions
diff --git a/main/main.c b/main/main.c
index 1cc9e60..0343f14 100644
--- a/main/main.c
+++ b/main/main.c
@@ -16,14 +16,42 @@ static const char *TAG = "rgbstrip";
int color[3];
static httpd_handle_t server = NULL;
-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));
+char *color_to_str() {
+ char *value = (char *)malloc(sizeof(char) * (6 + 1)); // 6 char + 1 \0;
+ sprintf(value, "%02x%02x%02x", color[0], color[1], color[2]);
+ return value;
+}
+
+esp_err_t get_handler(httpd_req_t *req) {
+ const char *resp_str = color_to_str();
+ httpd_resp_send(req, resp_str, 6);
+
+ return ESP_OK;
+}
+
+httpd_uri_t get = {.uri = "/", .method = HTTP_GET, .handler = get_handler};
+
+esp_err_t post_handler(httpd_req_t *req) {
+ char buf[6];
+ int remaining = req->content_len;
+
+ if (remaining != 6)
+ return ESP_OK;
+ httpd_req_recv(req, buf, 6);
+
+ char r_hex[] = {buf[0], buf[1], '\0'};
+ char g_hex[] = {buf[2], buf[3], '\0'};
+ char b_hex[] = {buf[4], buf[5], '\0'};
+
+ sscanf(r_hex, "%x", &color[0]);
+ sscanf(g_hex, "%x", &color[1]);
+ sscanf(b_hex, "%x", &color[2]);
+ httpd_resp_send_chunk(req, NULL, 0);
return ESP_OK;
}
-httpd_uri_t hello = {.uri = "/", .method = HTTP_GET, .handler = hello_get_handler};
+httpd_uri_t post = {.uri = "/", .method = HTTP_POST, .handler = post_handler};
httpd_handle_t start_webserver(void) {
httpd_handle_t server = NULL;
@@ -32,7 +60,8 @@ httpd_handle_t start_webserver(void) {
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);
+ httpd_register_uri_handler(server, &get);
+ httpd_register_uri_handler(server, &post);
return server;
}