ejung/bsvg_on_ledmatrix
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get bsvg string

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This commit is contained in:
Eggert Jung
2023-12-07 05:22:55 +01:00
parent 23eb8d5bce
commit f062b492fc
4 changed files with 34 additions and 23 deletions
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4
main/CMakeLists.txt
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@@ -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 "")

10
main/http.h Normal file
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@@ -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);

22
main/https.c
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@@ -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);
}

21
main/main.c
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@@ -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);