get bsvg string

main/CMakeLists.txt

@@ -1,3 +1,3 @@
-idf_component_register(SRCS "main.c" "font.c" "display.c" "text.c" "wlan.c" "http.c"
-                    REQUIRES esp_driver_gpio esp_wifi nvs_flash esp_timer
+idf_component_register(SRCS "main.c" "font.c" "display.c" "text.c" "wlan.c" "https.c"
+                    REQUIRES esp_driver_gpio esp_wifi nvs_flash esp_timer esp-tls
                     INCLUDE_DIRS "")

main/http.h

@@ -0,0 +1,10 @@
+#include "esp_system.h"
+
+/* Constants that aren't configurable in menuconfig */
+#define WEB_SERVER "mustbehax.de"
+#define WEB_PORT "80"
+#define WEB_PATH "/test"
+
+#define RCV_BUFSIZE 8000 
+
+esp_err_t http_request(char* buf);

main/https.c

@@ -7,9 +7,18 @@
 
 static const char *TAG = "https";
 
+#define WEB_SERVER "bsvg.efa.de"
+#define WEB_PORT "443"
+#define WEB_URL "/bsvagstd/XML_DM_REQUEST?outputFormat=JSON&stateless=1&locationServerActive=1&type_dm=stop&name_dm=\"Freiastr,Braunschweig\"&mode=direct&ptOptionsActive=1&useRealtime=1"
+
+static const char HOWSMYSSL_REQUEST[] = "GET " WEB_URL " HTTP/1.1\r\n"
+                             "Host: "WEB_SERVER"\r\n"
+                             "User-Agent: esp-idf/1.0 esp32\r\n"
+                             "\r\n";
+
 static void https_get_request(esp_tls_cfg_t cfg, const char *WEB_SERVER_URL, const char *REQUEST)
 {
-    char buf[512];
+    char buf[47000];
     int ret, len;
 
     esp_tls_t *tls = esp_tls_init();
@@ -89,20 +98,11 @@ exit:
     }
 }
 
-#define WEB_SERVER "www.howsmyssl.com"
-#define WEB_PORT "443"
-#define WEB_URL "https://www.howsmyssl.com/a/check"
-
-static const char HOWSMYSSL_REQUEST[] = "GET " WEB_URL " HTTP/1.1\r\n"
-                             "Host: "WEB_SERVER"\r\n"
-                             "User-Agent: esp-idf/1.0 esp32\r\n"
-                             "\r\n";
-
 void https_get_request_using_crt_bundle(void)
 {
     ESP_LOGI(TAG, "https_request using crt bundle");
     esp_tls_cfg_t cfg = {
         .crt_bundle_attach = esp_crt_bundle_attach,
     };
-    https_get_request(cfg, WEB_URL, HOWSMYSSL_REQUEST);
+    https_get_request(cfg, "https://"WEB_SERVER""WEB_URL, HOWSMYSSL_REQUEST);
 }

main/main.c

@@ -18,7 +18,7 @@
 #include "display.h"
 #include "text.h"
 #include "wlan.h"
-#include "http.h"
+#include "https.h"
 
 #ifdef CONFIG_IDF_TARGET_ESP32
 #define CHIP_NAME "ESP32"
@@ -47,15 +47,16 @@ void app_main(void)
 
     put_line(fb, 2, "wifi", 1, 1);
 
-    //xTaskCreate(&http_get_task, "http_get_task", 4096, NULL, 5, NULL);
-    char buf[RCV_BUFSIZE];
-    bzero(buf, RCV_BUFSIZE);
-    http_request(buf);
-    for(uint32_t i=0; i<RCV_BUFSIZE; i++){
-        if(buf[i] == 0)
-            break;
-        putchar(buf[i]);
-    }
+    ////xTaskCreate(&http_get_task, "http_get_task", 4096, NULL, 5, NULL);
+    //char buf[RCV_BUFSIZE];
+    //bzero(buf, RCV_BUFSIZE);
+    //http_request(buf);
+    //for(uint32_t i=0; i<RCV_BUFSIZE; i++){
+    //    if(buf[i] == 0)
+    //        break;
+    //    putchar(buf[i]);
+    //}
+    https_get_request_using_crt_bundle();
 
     put_line(fb, 3, "http", 1, 1);