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Diffstat (limited to 'firmware/i2c.h')
-rw-r--r-- | firmware/i2c.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/firmware/i2c.h b/firmware/i2c.h new file mode 100644 index 0000000..89834ea --- /dev/null +++ b/firmware/i2c.h @@ -0,0 +1,68 @@ +/* + * Author: Benedikt Sauter + * Author: Peter Huewe, Hubert Hogel + * 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 I2C_H +#define I2C_H + +#include <avr/io.h> +#include <avr/pgmspace.h> + + +void i2c_parser(char *buf); + +int i2c_init(void); +int i2c_deinit(void); + +int i2c_set_bitrate(char); +int i2c_send_start(void); +int i2c_send_stop(void); +void i2c_send_byte(char data); +unsigned char i2c_receive_byte(void); + + +unsigned char i2c_get_twsr(void); +void i2c_wait_for_complete(void); + +void i2c_init_usb(void); +void i2c_deinit_usb(void); + +void i2c_set_bitrate_usb(char); +void i2c_send_start_usb(void); +void i2c_send_stop_usb(void); +void i2c_send_byte_usb(char data); + +void i2c_reveice_bytes_usb(int address,int len, int timeout); + + +#endif /* I2C_H */ |