/* * Copyright © 2011 Keith Packard * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include "ao.h" struct ao_task demo_task; static inline int min(int a, int b) { return a < b ? a : b; } void ao_demo(void) { char message[] = "Hello, Mike & Bdale --- "; char part[7]; int i = 0; int len = sizeof(message) - 1; int first, second; part[6] = '\0'; for (;;) { ao_delay(AO_MS_TO_TICKS(150)); first = min(6, len - i); second = 6 - first; memcpy(part, message + i, first); memcpy(part + first, message, second); ao_lcd_font_string(part); if (++i >= len) i = 0; } } void _close() { } void _sbrk() { } void _isatty() { } void _lseek() { } void _exit () { } void _read () { } void _fstat() { } int main(void) { ao_clock_init(); ao_serial_init(); ao_timer_init(); ao_cmd_init(); ao_lcd_stm_init(); ao_lcd_font_init(); ao_add_task(&demo_task, ao_demo, "demo"); ao_start_scheduler(); return 0; }