diff options
| author | Christian Pointner <equinox@spreadspace.org> | 2014-06-03 19:02:16 +0200 |
|---|---|---|
| committer | Christian Pointner <equinox@spreadspace.org> | 2014-06-03 19:02:16 +0200 |
| commit | 8a3afb46e4b525137538b80f27fa100e2951ce2f (patch) | |
| tree | 93f355e0e5e33836f01120679e9140764a84dde5 /serial-led/serial-led.c | |
| parent | Merge branch 'master' of gitspread:avr (diff) | |
added serialio library
Diffstat (limited to 'serial-led/serial-led.c')
| -rw-r--r-- | serial-led/serial-led.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/serial-led/serial-led.c b/serial-led/serial-led.c new file mode 100644 index 0000000..d57636e --- /dev/null +++ b/serial-led/serial-led.c @@ -0,0 +1,67 @@ +/*
+ * spreadspace avr utils
+ *
+ *
+ * Copyright (C) 2013 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 "led.h"
+#include "serialio.h"
+
+void handle_cmd(uint8_t cmd)
+{
+ switch(cmd) {
+ case '0': led_off(); break;
+ case '1': led_on(); break;
+ case 't': led_toggle(); break;
+ case 'r': reset2bootloader(); break;
+ default: printf("error\r\n"); return;
+ }
+ printf("ok\r\n");
+}
+
+int main(void)
+{
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ cpu_init();
+ led_init();
+ serialio_init(9600, 0);
+ sei();
+
+ for(;;) {
+ int16_t BytesReceived = serialio_bytes_received();
+ while(BytesReceived > 0) {
+ int ReceivedByte = fgetc(stdin);
+ if(ReceivedByte != EOF) {
+ handle_cmd(ReceivedByte);
+ }
+ BytesReceived--;
+ }
+ serialio_task();
+ }
+}
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