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-rwxr-xr-xsrc/device/screen.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/device/screen.h b/src/device/screen.h
index ec30cd5..7763bd2 100755
--- a/src/device/screen.h
+++ b/src/device/screen.h
@@ -3,6 +3,10 @@
#include <time.h>
+#define SCREEN_WIDTH (64)
+#define FONT_WIDTH (8)
+#define SCREEN_MAX_CHARS (SCREEN_WIDTH / FONT_WIDTH)
+
/**
* Struct that keeps track of the lines on the screen.
*/
@@ -16,7 +20,11 @@ struct display_status {
size_t line_cursor; /* Index of the first line being displayed. */
};
+/**
+ * Displays scrolling text on the screen.
+ */
void display_update_scroll(struct display_status *status);
+
void display_status_init(struct display_status *status, char *msg);
#endif /* DEVICE_SCREEN_H */ \ No newline at end of file