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+/*
+ *
+ * mur.sat
+ *
+ * Somewhen in the year 2012, mur.at will have a nano satellite launched
+ * into a low earth orbit (310 km above the surface of our planet). The
+ * satellite itself is a TubeSat personal satellite kit, developed and
+ * launched by interorbital systems. mur.sat is a joint venture of mur.at,
+ * ESC im Labor and realraum.
+ *
+ * Please visit the project hompage at sat.mur.at for further information.
+ *
+ *
+ * Copyright (C) 2013 Christian Pointner <equinox@mur.at>
+ *
+ * This file is part of mur.sat.
+ *
+ * mur.sat 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.
+ *
+ * mur.sat 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 mur.sat. 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 "led.h"
+#include "util.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();
+ }
+}