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/*********************************************************************
*
* LPC ISP - Utility functions
*
*
* Copyright (C) 2012 Nathael Pajani <nathael.pajani@nathael.net>
*
* 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*********************************************************************/
#ifndef ISP_UTILS_H
#define ISP_UTILS_H
/* ---- CRP Protection values ---------------------------------------------------*/
#define CRP_OFFSET 0x000002FC
#define CRP_NO_ISP 0x4E697370
#define CRP_CRP1 0x12345678
#define CRP_CRP2 0x87654321
#define CRP_CRP3 0x43218765
void isp_dump(const unsigned char* buf, unsigned int buf_size);
/* ---- Serial utility functions ---------------------------------------------------*/
/* Open the serial device and set it up.
* Returns 0 on success, negativ value on error.
* Actal setup is done according to LPC11xx user's manual.
* Only baudrate can be changed using command line option.
*/
int isp_serial_open(int baudrate, char* serial_device);
void isp_serial_close(void);
/* Simple write() wrapper, with trace if enabled */
int isp_serial_write(const char* buf, unsigned int buf_size);
void isp_serial_empty_buffer();
/* Try to read at least "min_read" characters from the serial line.
* Returns -1 on error, 0 on end of file, or read count otherwise.
*/
int isp_serial_read(char* buf, unsigned int buf_size, unsigned int min_read);
/* ---- UU_Encoding utility functions ----------------------------------------------*/
int isp_uu_encode(char* dest, char* src, unsigned int orig_size);
int isp_uu_decode(char* dest, char* src, unsigned int orig_size);
/* ---- File utility functions ----------------------------------------------*/
int isp_buff_to_file(char* data, unsigned int len, char* filename);
int isp_file_to_buff(char* data, unsigned int len, char* filename);
#endif /* ISP_UTILS_H */
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