First test to read and edit the firmware, added defines for the required offsets etc

include/change_key.h

@@ -0,0 +1,32 @@
+/* changeKey.h */
+
+/* Define for key offsets */
+#define KEY1 0x00005149
+#define KEY2 0x00005179
+#define KEY3 0x00005181
+#define KEY4 0x00005189
+#define KEY5 0x00005190
+#define KEY6 0x00005182
+#define KEY7 0x0000517a
+#define KEY8 0x0000514a
+
+/* Define for prog1-8 offset */
+#define PROG1_OFFSET 0x0000539C
+#define PROG2_OFFSET 0x000056BC
+#define PROG3_OFFSET 0x000059DC
+#define PROG4_OFFSET 0x00005CFC
+#define PROG5_OFFSET 0x0000601C
+#define PROG6_OFFSET 0x0000633C
+#define PROG7_OFFSET 0x0000665C
+#define PROG8_OFFSET 0x0006977C
+
+typedef struct key_prog key_prog;
+struct key_prog
+{
+    int offset;
+    int key_settings[100][8];
+};
+
+
+void set_key_value(char* firmware_buffer, int key, int value);
+

include/firmware_handling.h

@@ -0,0 +1,11 @@
+typedef struct fbuffer_t fbuffer_t;
+struct fbuffer_t
+{
+    char* buffer;
+    int size;
+};
+
+/* reads in the firmware file into a buffer */
+fbuffer_t* get_firmware_buffer(char* filename); 
+void write_firmware_buffer(char* filename, fbuffer_t* p_fb);
+