Andrew Bell
/
lab6_ScrollMessage
working multi line scoller message on lcd
main.cpp
- Committer:
- andrewbw01
- Date:
- 2021-03-03
- Revision:
- 0:1f7f335b262d
File content as of revision 0:1f7f335b262d:
#include "mbed.h" #include "C12832_lcd.h" C12832_LCD lcd; // create lcd object char welcome_str1[] ="**********"; char welcome_str2[] =" Welcome "; char welcome_str3[] ="**********"; int vert_line_hight = 9; void scroll_msg_right(void); // fuction prototypes void scroll_msg_left(void); int main() { scroll_msg_right(); wait(0.1); scroll_msg_left(); while(1) {} } // scroll message right void scroll_msg_right(void) { for(int i=10; i>0; i--) // scroll one character on at a time { lcd.cls(); lcd.locate(0,0); lcd.printf("%s", (welcome_str1+i)); lcd.locate(0, vert_line_hight); lcd.printf("%s", (welcome_str2+i)); lcd.locate(0, vert_line_hight*2); lcd.printf("%s", (welcome_str3+i)); wait(0.2); } for(int i=0; i<45; i++) // scroll message { lcd.cls(); lcd.locate(i,0); lcd.printf("%s", welcome_str1); lcd.locate(i, vert_line_hight); lcd.printf("%s", welcome_str2); lcd.locate(i, vert_line_hight*2); lcd.printf("%s", welcome_str3); wait(0.075); } } void scroll_msg_left(void) { for(int i=45; i>0; i--) { lcd.cls(); lcd.locate(i,0); lcd.printf("%s", welcome_str1); lcd.locate(i, vert_line_hight); lcd.printf("%s", welcome_str2); lcd.locate(i, vert_line_hight*2); lcd.printf("%s", welcome_str3); wait(0.075); } for(int i=0; i<11; i++) // scroll one character on at a time { lcd.cls(); lcd.locate(0,0); lcd.printf("%s", (welcome_str1+i)); lcd.locate(0, vert_line_hight); lcd.printf("%s", (welcome_str2+i)); lcd.locate(0, vert_line_hight*2); lcd.printf("%s", (welcome_str3+i)); wait(0.2); } }