From 755680ca7246b232c45e3b519e9d8a95ea97375f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ram=C5=ABnas=20Ma=C5=BEeikis?= Date: Mon, 27 May 2019 15:20:01 +0300 Subject: Device: partial implementation of line scrolling logic. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Ramūnas Mažeikis --- src/device/screen.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100755 src/device/screen.h (limited to 'src/device/screen.h') diff --git a/src/device/screen.h b/src/device/screen.h new file mode 100755 index 0000000..ec30cd5 --- /dev/null +++ b/src/device/screen.h @@ -0,0 +1,22 @@ +#ifndef DEVICE_SCREEN_H +#define DEVICE_SCREEN_H + +#include + +/** + * Struct that keeps track of the lines on the screen. + */ +struct display_status { + time_t delta; /* Seconds/Line */ + time_t last_scroll_time; /* Last second the line was scrolled */ + char *message; /* Entire message to be shown */ + char *first_line; /* First line on display */ + char *second_line; /* Second line on display */ + size_t message_len; /* Length of the message */ + size_t line_cursor; /* Index of the first line being displayed. */ +}; + +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 -- cgit v1.2.3