1 files changed, 64 insertions, 0 deletions
diff --git a/firmware/spi.h b/firmware/spi.h
new file mode 100644
index 0000000..d7cfbf1
--- /dev/null
+++ b/firmware/spi.h
@@ -0,0 +1,64 @@
+/*
+ * Author: Benedikt Sauter <sauter@ixbat.de>
+ * All rights reserved.
+ *
+ * Short descripton of file:
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met:
+ *
+ *   * Redistributions of source code must retain the above copyright 
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above 
+ *     copyright notice, this list of conditions and the following 
+ *     disclaimer in the documentation and/or other materials provided 
+ *     with the distribution.
+ *   * Neither the name of the FH Augsburg nor the names of its 
+ *     contributors may be used to endorse or promote products derived 
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef SPI_H
+#define SPI_H
+
+#include <avr/io.h>
+#include <avr/pgmspace.h>
+
+#define MOSI PB2
+#define MISO PB3
+#define SCK PB1
+
+void spi_parser(char *buf);
+
+int spi_init(void);
+int spi_deinit(void);
+
+int spi_set_speed(int speed);
+int spi_send(char * buf, int length);
+unsigned char spi_receive( char * buf, int length);
+int spi_send_and_receive(char * txbuf, char * rxbuf, int length);
+
+
+void spi_init_usb(void);
+void spi_deinit_usb(void);
+
+void spi_set_speed_usb(int speed);
+void spi_send_usb(char * buf, int length);
+void spi_receive_usb(int length);
+void spi_send_and_receive_usb(char * txbuf, int length);
+
+
+#endif /* SPI_H */