Add firmware for the ATUSB IEEE 802.15.4 USB Adapter

[linux-libre-firmware.git] / atusb / atusb.c

diff --git a/atusb/atusb.c b/atusb/atusb.c
new file mode 100644 (file)
index 0000000..28faf40
--- /dev/null
+++ b/atusb/atusb.c
@@ -0,0 +1,63 @@
+/*
+ * fw/atusb.c - ATUSB initialization and main loop
+ *
+ * Written 2008-2011 by Werner Almesberger
+ * Copyright 2008-2011 Werner Almesberger
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
+#include <stdint.h>
+
+#include <avr/io.h>
+#include <avr/sleep.h>
+#include <avr/interrupt.h>
+
+#include "usb.h"
+
+#include "board.h"
+#include "sernum.h"
+#include "spi.h"
+#include "atusb/ep0.h"
+
+#ifdef DEBUG
+#include "uart.h"
+#endif
+
+
+int main(void)
+{
+       board_init();
+       board_app_init();
+       reset_rf();
+
+       user_get_descriptor = sernum_get_descr;
+
+       /* now we should be at 8 MHz */
+
+#ifdef DEBUG
+       uart_init();
+       static FILE atben_stdout = FDEV_SETUP_STREAM(uart_write_char, NULL,
+                                                    _FDEV_SETUP_WRITE);
+       stdout = &atben_stdout;
+#endif
+
+       usb_init();
+       ep0_init();
+#ifdef ATUSB
+       timer_init();
+
+       /* move interrupt vectors to 0 */
+       MCUCR = 1 << IVCE;
+       MCUCR = 0;
+#endif
+
+       sei();
+
+       while (1)
+               sleep_mode();
+}