diff options
author | Christian Pointner <equinox@spreadspace.org> | 2016-05-07 11:38:02 +0200 |
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committer | Christian Pointner <equinox@spreadspace.org> | 2016-05-07 11:38:02 +0200 |
commit | a109d4b7a1ebef3a889594485fe0ff5d6aa45455 (patch) | |
tree | e2adc3a4f224e53edbb190aa0b32c49449971884 /serial-arduino-led/serial-arduino-led.cpp | |
parent | upgraded to PJON v3 (diff) |
added serial arduino led example
Diffstat (limited to 'serial-arduino-led/serial-arduino-led.cpp')
-rw-r--r-- | serial-arduino-led/serial-arduino-led.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/serial-arduino-led/serial-arduino-led.cpp b/serial-arduino-led/serial-arduino-led.cpp new file mode 100644 index 0000000..434fd70 --- /dev/null +++ b/serial-arduino-led/serial-arduino-led.cpp @@ -0,0 +1,71 @@ +/* + * spreadspace avr utils + * + * + * Copyright (C) 2013-2016 Christian Pointner <equinox@spreadspace.org> + * + * This file is part of spreadspace avr utils. + * + * spreadspace avr utils 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 + * any later version. + * + * spreadspace avr utils 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <avr/io.h> +#include <avr/wdt.h> +#include <avr/interrupt.h> +#include <avr/power.h> +#include <stdio.h> + +#include "util.h" +#include "serialio.h" + +#include "Arduino.h" + +#define LED_PIN 12 + +void handle_cmd(uint8_t cmd) +{ + switch(cmd) { + case '0': digitalWrite(LED_PIN, LOW); break; + case '1': digitalWrite(LED_PIN, HIGH); break; + case '!': reset2bootloader(); break; + default: printf("error\r\n"); return; + } + printf("ok\r\n"); +} + +int main(void) +{ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + cpu_init(); + serialio_init(57600, 0); + arduino_init(); + sei(); + + pinMode(LED_PIN, OUTPUT); + + for(;;) { + int16_t BytesReceived = serialio_bytes_received(); + while(BytesReceived > 0) { + int ReceivedByte = fgetc(stdin); + if(ReceivedByte != EOF) { + handle_cmd(ReceivedByte); + } + BytesReceived--; + } + + serialio_task(); + } +} |