From ee5dda4a33dee716e302c82599c19461bfae78db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mario=20H=C3=BCttel?= <mario.huettel@gmx.net>
Date: Sun, 16 May 2021 20:34:09 +0200
Subject: [PATCH] Issue #25: Add update menu to GUI

---
 stm-firmware/ui/gui.c | 81 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)

diff --git a/stm-firmware/ui/gui.c b/stm-firmware/ui/gui.c
index aa98ae8..5b79eb3 100644
--- a/stm-firmware/ui/gui.c
+++ b/stm-firmware/ui/gui.c
@@ -28,6 +28,7 @@
 #include <reflow-controller/safety/safety-controller.h>
 #include <reflow-controller/settings/settings.h>
 #include <reflow-controller/temp-converter.h>
+#include <reflow-controller/updater/updater.h>
 #include <helper-macros/helper-macros.h>
 #include <stm-periph/unique-id.h>
 #include <stddef.h>
@@ -607,6 +608,84 @@ static void gui_menu_constant_temperature_driver_setup(struct lcd_menu *menu, en
 	}
 }
 
+static void gui_update_firmware(struct lcd_menu *menu, enum menu_entry_func_entry entry_type, void *parent)
+{
+	static void *my_parent;
+	static SlList *file_list = NULL;
+	static int error;
+	enum button_state button;
+	static uint32_t currently_selected_file;
+	uint32_t previously_selected_file;
+	static uint32_t list_length;
+	const char *fname;
+	int16_t rotary;
+
+	if (entry_type == MENU_ENTRY_FIRST_ENTER) {
+		my_parent = parent;
+		error = 0;
+		list_length = 0;
+		if (file_list)
+			sl_list_free_full(file_list, delete_file_list_entry);
+		file_list = load_file_list_from_sdcard(&error, "*.hex");
+		if (error) {
+			if (file_list)
+				sl_list_free_full(file_list, delete_file_list_entry);
+			file_list = NULL;
+		} else {
+			list_length = sl_list_length(file_list);
+		}
+		currently_selected_file = 0;
+		menu_display_clear(menu);
+	}
+
+	if (menu_get_button_ready_state(menu)) {
+		button = menu_get_button_state(menu);
+		rotary = menu_get_rotary_delta(menu);
+
+		if (error) {
+			menu_lcd_output(menu, 0, "Error reading");
+			menu_lcd_output(menu, 1, "file list");
+			if (button == BUTTON_LONG || button == BUTTON_SHORT_RELEASED)
+				menu_entry_dropback(menu, my_parent);
+		} else {
+			previously_selected_file = currently_selected_file;
+
+			/* Display the list */
+			if (rotary <= -4) {
+				menu_ack_rotary_delta(menu);
+				if (currently_selected_file > 0) {
+					currently_selected_file--;
+				}
+			} else if (rotary >= 4) {
+				menu_ack_rotary_delta(menu);
+				if (currently_selected_file < (list_length - 1)) {
+					currently_selected_file++;
+				}
+			}
+
+			if (entry_type == MENU_ENTRY_FIRST_ENTER ||
+					previously_selected_file != currently_selected_file) {
+				fname = sl_list_nth(file_list, currently_selected_file)->data;
+				menu_lcd_output(menu, 0, "Select File:");
+				if (fname)
+					menu_lcd_output(menu, 1, fname);
+			}
+			if (button == BUTTON_SHORT_RELEASED) {
+				fname = sl_list_nth(file_list, currently_selected_file)->data;
+				menu_display_clear(menu);
+				sl_list_free_full(file_list, delete_file_list_entry);
+				file_list = NULL;
+
+				updater_update_from_file(fname);
+			} else if (button == BUTTON_LONG) {
+				sl_list_free_full(file_list, delete_file_list_entry);
+				file_list = NULL;
+				menu_entry_dropback(menu, my_parent);
+			}
+		}
+	}
+}
+
 static void gui_menu_root_entry(struct lcd_menu *menu, enum menu_entry_func_entry entry_type, void *parent)
 {
 	(void)parent;
@@ -618,6 +697,7 @@ static void gui_menu_root_entry(struct lcd_menu *menu, enum menu_entry_func_entr
 		"Monitoring",
 		"Error Flags",
 		"About",
+		"Update",
 		NULL
 	};
 	static const menu_func_t root_entry_funcs[] = {
@@ -626,6 +706,7 @@ static void gui_menu_root_entry(struct lcd_menu *menu, enum menu_entry_func_entr
 		gui_menu_monitor,
 		gui_menu_err_flags,
 		gui_menu_about,
+		gui_update_firmware,
 	};
 	enum button_state push_button;
 	int16_t rot_delta;
-- 
2.47.0