From 324c5ba9098c1010d0aa8c1e26b95509878ce9f2 Mon Sep 17 00:00:00 2001 From: Yves Fischer Date: Tue, 11 Oct 2011 21:50:49 +0200 Subject: Mini-Octopus build from r@171 --- firmware/93c46.h | 113 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 firmware/93c46.h (limited to 'firmware/93c46.h') diff --git a/firmware/93c46.h b/firmware/93c46.h new file mode 100644 index 0000000..817eade --- /dev/null +++ b/firmware/93c46.h @@ -0,0 +1,113 @@ +/* + * Author: Benedikt Sauter + * 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 +#include + + +#include "io.h" + + +#define CS (B, 0) +#define SK (B, 1) +#define DI (B, 2) +#define DO (B, 3) + + + + + + +#define DIN0 (B, 4) +#define DIN1 (B, 5) + +#define CMD_READ 0x80 +#define CMD_EWEN 0x30 +#define CMD_ERASE 0xc0 +#define CMD_WRITE 0x40 +#define CMD_ERAL 0x20 +#define CMD_WRAL 0x10 +#define CMD_EWDS 0x00 + + +#define PIN_S PB0 +#define PIN_C PB1 +#define PIN_D PB2 +#define PIN_Q PB3 + +void flash_93c46_parser(char *buf); + +int flash_93c46_init(void); +int flash_93c46_deinit(void); + +int flash_93c46_read(unsigned char address, unsigned int length, char * buf); +int flash_93c46_write(unsigned char address, unsigned int length, char* buf); + +void flash_93c46_init_usb(void); +void flash_93c46_deinit_usb(void); + +void flash_93c46_read_usb(unsigned char address, unsigned int length, char* buf); +void flash_93c46_write_usb(unsigned char address, unsigned int length, char* buf); + + +void start_of_ins(void); +void send_sb_opcode(uint8_t ins); +void send_data_byte(uint8_t da); +uint8_t end_of_erase_write(void); +void end_of_erase_write_disable(void); +void erase_write_enable(void); +void send_address(uint8_t da); +uint8_t write_word_step(uint8_t add,uint8_t wd); +uint8_t recv_data_word(void); +uint8_t erase_word(uint8_t add); +void erase_write_disable(void); + + + +uint8_t flash_93c46_read_word(uint8_t add); +uint8_t flash_93c46_write_word(uint8_t add,uint8_t wd); + + + + + + + + + + + +#endif /* SPI_H */ -- cgit v1.2.1