diff options
Diffstat (limited to 'bootloader/example/main.c')
| -rw-r--r-- | bootloader/example/main.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/bootloader/example/main.c b/bootloader/example/main.c new file mode 100644 index 0000000..a873da0 --- /dev/null +++ b/bootloader/example/main.c @@ -0,0 +1,46 @@ +/* + * A sysex bootloader for avr chips. + * Copyright 2010 Alex Norman + * + * This file is part of SysexBoot. + * + * SysexBoot 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, either version 3 of the License, or + * (at your option) any later version. + * + * SysexBoot 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 SysexBoot. If not, see <http://www.gnu.org/licenses/>. + * + */ + +#include <avr/io.h> + +int main(void) { + uint8_t i, j, k, cnt = 0; + DDRB = 0xFF; + PORTB = 0xF0; + + DDRC = 0xFF; + PORTC = 0xFF; + + while(1){ + for(i = 0; i < 255; i++) + for(j = 0; j < 128; j++) + for(k = 0; k < 128; k++); + cnt++; + PORTB = ~cnt; + if (PORTC == 0) + PORTC = 0xFF; + else + PORTC = 0x00; + } + + return 0; +} + |
