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authorChristian Pointner <equinox@spreadspace.org>2013-04-09 11:30:41 +0000
committerChristian Pointner <equinox@spreadspace.org>2013-04-09 11:30:41 +0000
commit39f21e194ca264d460797ee059c8fc02646dcf4b (patch)
tree3d69a14e46328db968478d231ee3b03bd794d7cd /usb-1wire/usb-1wire.c
parentadded scripts to monitor output of ats-watch (diff)
added usb 1-wire project
git-svn-id: https://svn.spreadspace.org/avr/trunk@205 aa12f405-d877-488e-9caf-2d797e2a1cc7
Diffstat (limited to 'usb-1wire/usb-1wire.c')
-rw-r--r--usb-1wire/usb-1wire.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/usb-1wire/usb-1wire.c b/usb-1wire/usb-1wire.c
new file mode 100644
index 0000000..a383ef1
--- /dev/null
+++ b/usb-1wire/usb-1wire.c
@@ -0,0 +1,68 @@
+/*
+ * 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 "usbio.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();
+ usbio_init();
+ sei();
+
+ for(;;) {
+ int16_t BytesReceived = usbio_bytes_received();
+ while(BytesReceived > 0) {
+ int ReceivedByte = fgetc(stdin);
+ if(ReceivedByte != EOF) {
+ handle_cmd(ReceivedByte);
+ }
+ BytesReceived--;
+ }
+
+ usbio_task();
+ }
+}