New website branch

previous was doomed, that is why I made a new brench that was updated with the main.

project/Core/Inc/website_backend.h

@@ -0,0 +1,89 @@
+/**
+ * @file website_backend.h
+ * @brief Backend for the website to operate
+ * @author Toon B.
+ */
+
+#ifndef INC_WEBSITE_BACKEND_
+#define INC_WEBSITE_BACKEND_
+
+/* Include headers C lib */
+#include <string.h>
+#include <stdint.h>
+
+/* Defines */
+#define LOGGER_LEVEL_ALL
+#define STR_MAX 200
+#define CLR_MAX 11
+#define IMG_X 250
+#define IMG_Y 50
+#define SD_IMG "st.bmp"
+
+/* Include headers */
+#include "log.h"
+#include "lwip.h"
+#include "httpd.h"
+#include "lwip/apps/fs.h"
+#include "llfs.h"
+#include "lcd_api.h"
+
+
+
+/**
+ * @fn void wbe_init(void)
+ * @brief Initialise the http server. It also sets the beginning screen
+ * of the display.
+ */
+void wbe_init(void);
+
+
+/**
+ * @fn int fs_open_custom(struct fs_file*, const char*)
+ * @brief Function is called when the frontend wants to reach/open a file
+ * or endpoint on the backend.
+ *
+ * @param[in] file, the file pointer of the file that the frontend wants
+ * @param[in] name, the name of the file or endpoint that the frontend asks for
+ * @return[out] returns 0 if file or endpoint was not found, 1 if it was found
+ */
+int fs_open_custom(struct fs_file* file, const char* name);
+
+
+/**
+ * @fn void fs_close_custom(struct fs_file*)
+ * @brief Called when closing files and endpoints
+ *
+ * @param[in] file, the file pointer of the file that the frontend wants
+ */
+void fs_close_custom(struct fs_file* file);
+
+
+/**
+ * @fn void httpd_cgi_handler(struct fs_file*, const char*, int, char**, char**)
+ * @brief When data is send from the frontend to the backend with the CGI
+ * tag and parameters, this function is called. With this comes parameters that
+ * we want to read for further use.
+ *
+ * @param[in] file, the file pointer of the file that the frontend wants
+ * @param[in] uri, the URI that is given to the backend from the frontend (here cgi)
+ * @param[in] num_parm, the number of parameters that is given with the URI
+ * @param[in] pc_param, contains the name of each parameter
+ * @param[in] pc_value, is the value of each parameter
+ */
+void httpd_cgi_handler(struct fs_file* file, const char* uri, int num_parm, char** pc_param, char** pc_value );
+
+
+/**
+ * @fn void wbe_display(const char*, const uint32_t, const uint32_t, const char*)
+ * @brief Function displays the sentence, its color, the background and the given
+ *  image on the LCD screen.
+ *
+ * @param[in] txt, is the text string that needs to be displayed
+ * @param[in] txt_color, the color of the wanted string
+ * @param[in] background_color, color of the background of the screen
+ * @param[in] image, name of the wanted image to be displayed
+ */
+void wbe_display(const char* txt, const uint32_t txt_color, const uint32_t background_color, const char* image);
+
+
+#endif /* INC_WEBSITE_BACKEND_ */