2009-11-16 23:52:10 +00:00
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/* MSPDebug - debugging tool for the eZ430
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2010-01-04 02:31:42 +00:00
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* Copyright (C) 2009, 2010 Daniel Beer
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2009-11-16 23:52:10 +00:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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2010-01-04 01:11:19 +00:00
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*
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2010-01-04 09:34:23 +00:00
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* Various constants and tables come from uif430, written by Robert
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2010-01-04 01:11:19 +00:00
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* Kavaler (kavaler@diva.com). This is available under the same license
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* as this program, from www.relavak.com.
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2009-11-16 23:52:10 +00:00
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*/
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#include <stdio.h>
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2010-04-30 04:01:03 +00:00
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#include <stdlib.h>
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2010-01-04 01:02:31 +00:00
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#include <stdarg.h>
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2009-11-16 23:52:10 +00:00
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#include <string.h>
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#include <assert.h>
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#include <unistd.h>
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2010-01-08 05:03:51 +00:00
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#include "util.h"
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2010-04-30 04:01:03 +00:00
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#include "fet.h"
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2010-05-15 01:44:46 +00:00
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#include "fet_error.h"
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2010-05-18 23:29:16 +00:00
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#include "fet_db.h"
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2009-11-16 23:52:10 +00:00
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2010-04-30 04:01:03 +00:00
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#define MAX_PARAMS 16
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struct fet_device {
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struct device base;
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2010-04-30 04:57:57 +00:00
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transport_t transport;
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2010-06-15 02:53:38 +00:00
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int proto_flags;
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2010-04-30 04:01:03 +00:00
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int version;
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2010-07-02 02:22:52 +00:00
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2010-05-20 00:47:03 +00:00
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/* Device-specific information */
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2010-08-05 02:43:07 +00:00
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uint16_t code_start;
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2010-05-19 02:53:43 +00:00
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2010-05-15 01:20:59 +00:00
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uint8_t fet_buf[65538];
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2010-04-30 04:01:03 +00:00
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int fet_len;
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/* Recieved packet is parsed into this struct */
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struct {
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int command_code;
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int state;
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int argc;
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2010-05-13 00:57:21 +00:00
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uint32_t argv[MAX_PARAMS];
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2010-04-30 04:01:03 +00:00
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2010-05-13 00:57:21 +00:00
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uint8_t *data;
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2010-04-30 04:01:03 +00:00
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int datalen;
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} fet_reply;
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};
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2010-01-03 03:00:05 +00:00
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/**********************************************************************
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* FET command codes.
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*
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2010-01-04 09:34:23 +00:00
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* These come from uif430 by Robert Kavaler (kavaler@diva.com).
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2010-01-03 03:00:05 +00:00
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* www.relavak.com
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*/
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2010-04-08 23:27:09 +00:00
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#define C_INITIALIZE 0x01
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#define C_CLOSE 0x02
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#define C_IDENTIFY 0x03
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#define C_DEVICE 0x04
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#define C_CONFIGURE 0x05
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#define C_VCC 0x06
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#define C_RESET 0x07
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#define C_READREGISTERS 0x08
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#define C_WRITEREGISTERS 0x09
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#define C_READREGISTER 0x0a
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#define C_WRITEREGISTER 0x0b
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#define C_ERASE 0x0c
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#define C_READMEMORY 0x0d
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#define C_WRITEMEMORY 0x0e
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#define C_FASTFLASHER 0x0f
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#define C_BREAKPOINT 0x10
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#define C_RUN 0x11
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#define C_STATE 0x12
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#define C_SECURE 0x13
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#define C_VERIFYMEMORY 0x14
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#define C_FASTVERIFYMEMORY 0x15
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#define C_ERASECHECK 0x16
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#define C_EEMOPEN 0x17
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#define C_EEMREADREGISTER 0x18
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#define C_EEMREADREGISTERTEST 0x19
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#define C_EEMWRITEREGISTER 0x1a
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#define C_EEMCLOSE 0x1b
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#define C_ERRORNUMBER 0x1c
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#define C_GETCURVCCT 0x1d
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#define C_GETEXTVOLTAGE 0x1e
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#define C_FETSELFTEST 0x1f
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#define C_FETSETSIGNALS 0x20
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#define C_FETRESET 0x21
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#define C_READI2C 0x22
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#define C_WRITEI2C 0x23
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#define C_ENTERBOOTLOADER 0x24
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2009-11-16 23:52:10 +00:00
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2010-06-15 01:07:06 +00:00
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#define C_IDENT1 0x28
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#define C_IDENT2 0x29
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#define C_IDENT3 0x2b
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2010-01-06 03:17:55 +00:00
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/* Constants for parameters of various FET commands */
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2010-05-20 01:14:36 +00:00
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#define FET_CONFIG_VERIFICATION 0
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#define FET_CONFIG_EMULATION 1
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#define FET_CONFIG_CLKCTRL 2
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#define FET_CONFIG_MCLKCTRL 3
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#define FET_CONFIG_FLASH_TESET 4
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#define FET_CONFIG_FLASH_LOCK 5
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#define FET_CONFIG_PROTOCOL 8
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2010-01-06 03:17:55 +00:00
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#define FET_RUN_FREE 1
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#define FET_RUN_STEP 2
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#define FET_RUN_BREAKPOINT 3
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#define FET_RESET_PUC 0x01
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#define FET_RESET_RST 0x02
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#define FET_RESET_VCC 0x04
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#define FET_RESET_ALL 0x07
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#define FET_ERASE_SEGMENT 0
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#define FET_ERASE_MAIN 1
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#define FET_ERASE_ALL 2
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#define FET_POLL_RUNNING 0x01
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#define FET_POLL_BREAKPOINT 0x02
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2009-11-16 23:52:10 +00:00
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/*********************************************************************
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* Checksum calculation
|
2010-05-15 01:20:59 +00:00
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*
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* This code table is also derived from uif430.
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2009-11-16 23:52:10 +00:00
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*/
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2010-05-15 01:20:59 +00:00
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static const uint16_t fcstab[256] = {
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0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
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0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
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0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
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0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
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0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
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0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
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0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
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0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
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0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
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0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
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0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
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0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
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0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
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0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
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0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
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0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
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0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
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0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
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0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
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0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
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0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
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0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
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0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
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0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
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0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
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0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
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0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
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0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
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0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
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0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
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0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
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0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
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};
|
2009-11-16 23:52:10 +00:00
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|
2010-05-15 01:20:59 +00:00
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static uint16_t calc_checksum(uint8_t *cp, int len)
|
2009-11-16 23:52:10 +00:00
|
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{
|
2010-05-15 01:20:59 +00:00
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uint16_t fcs = 0xffff;
|
2009-11-16 23:52:10 +00:00
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|
2010-05-15 01:20:59 +00:00
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while (len--) {
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fcs = (fcs >> 8) ^ fcstab[(fcs ^ *cp++) & 0xff];
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}
|
2009-11-16 23:52:10 +00:00
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|
2010-05-15 01:20:59 +00:00
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return fcs ^ 0xffff;
|
2009-11-16 23:52:10 +00:00
|
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}
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|
|
|
|
|
/*********************************************************************
|
|
|
|
* FET packet transfer. This level of the interface deals in packets
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* send to/from the device.
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*/
|
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|
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/* This is a type of data transfer which appears to be unique to
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|
* the RF2500. Blocks of data are sent to an internal buffer. Each
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* block is prefixed with a buffer offset and a payload length.
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*
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* No checksums are included.
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*/
|
2010-04-30 04:01:03 +00:00
|
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|
static int send_rf2500_data(struct fet_device *dev,
|
2010-05-13 00:57:21 +00:00
|
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|
const uint8_t *data, int len)
|
2009-11-16 23:52:10 +00:00
|
|
|
{
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int offset = 0;
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|
while (len) {
|
2010-05-13 00:57:21 +00:00
|
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|
uint8_t pbuf[63];
|
2009-11-16 23:52:10 +00:00
|
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|
int plen = len > 59 ? 59 : len;
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|
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|
pbuf[0] = 0x83;
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|
pbuf[1] = offset & 0xff;
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|
|
pbuf[2] = offset >> 8;
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|
|
pbuf[3] = plen;
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|
memcpy(pbuf + 4, data, plen);
|
2010-04-30 04:57:57 +00:00
|
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|
if (dev->transport->send(dev->transport, pbuf, plen + 4) < 0)
|
2009-11-16 23:52:10 +00:00
|
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|
return -1;
|
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|
data += plen;
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|
len -= plen;
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|
|
offset += plen;
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|
|
}
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|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-01-04 00:03:36 +00:00
|
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|
#define PTYPE_ACK 0
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|
|
#define PTYPE_CMD 1
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|
|
#define PTYPE_PARAM 2
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|
|
#define PTYPE_DATA 3
|
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|
|
#define PTYPE_MIXED 4
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|
|
#define PTYPE_NAK 5
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|
|
#define PTYPE_FLASH_ACK 6
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|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
static int parse_packet(struct fet_device *dev, int plen)
|
2010-01-04 00:03:36 +00:00
|
|
|
{
|
2010-05-15 01:20:59 +00:00
|
|
|
uint16_t c = calc_checksum(dev->fet_buf + 2, plen - 2);
|
2010-05-19 02:53:43 +00:00
|
|
|
uint16_t r = LE_WORD(dev->fet_buf, plen);
|
2010-01-04 00:03:36 +00:00
|
|
|
int i = 2;
|
|
|
|
int type;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
if (c != r) {
|
2010-01-12 08:51:06 +00:00
|
|
|
fprintf(stderr, "fet: checksum error (calc %04x,"
|
2010-01-04 00:03:36 +00:00
|
|
|
" recv %04x)\n", c, r);
|
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|
return -1;
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|
|
|
}
|
|
|
|
|
|
|
|
if (plen < 6)
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|
|
goto too_short;
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
dev->fet_reply.command_code = dev->fet_buf[i++];
|
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|
|
type = dev->fet_buf[i++];
|
|
|
|
dev->fet_reply.state = dev->fet_buf[i++];
|
|
|
|
error = dev->fet_buf[i++];
|
2010-01-04 00:03:36 +00:00
|
|
|
|
|
|
|
if (error) {
|
2010-05-15 01:44:46 +00:00
|
|
|
fprintf(stderr, "fet: FET returned error code %d (%s)\n",
|
|
|
|
error, fet_error(error));
|
2010-01-04 00:03:36 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-04-08 02:51:56 +00:00
|
|
|
if (type == PTYPE_NAK) {
|
|
|
|
fprintf(stderr, "fet: FET returned NAK\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-01-04 00:03:36 +00:00
|
|
|
/* Parse packet parameters */
|
|
|
|
if (type == PTYPE_PARAM || type == PTYPE_MIXED) {
|
|
|
|
int j;
|
|
|
|
|
|
|
|
if (i + 2 > plen)
|
|
|
|
goto too_short;
|
|
|
|
|
2010-05-19 02:53:43 +00:00
|
|
|
dev->fet_reply.argc = LE_WORD(dev->fet_buf, i);
|
2010-01-04 00:03:36 +00:00
|
|
|
i += 2;
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
if (dev->fet_reply.argc >= MAX_PARAMS) {
|
2010-01-12 08:51:06 +00:00
|
|
|
fprintf(stderr, "fet: too many params: %d\n",
|
2010-04-30 04:01:03 +00:00
|
|
|
dev->fet_reply.argc);
|
2010-01-04 00:03:36 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
for (j = 0; j < dev->fet_reply.argc; j++) {
|
2010-01-04 00:03:36 +00:00
|
|
|
if (i + 4 > plen)
|
|
|
|
goto too_short;
|
2010-05-19 02:53:43 +00:00
|
|
|
dev->fet_reply.argv[j] = LE_LONG(dev->fet_buf, i);
|
2010-01-04 00:03:36 +00:00
|
|
|
i += 4;
|
|
|
|
}
|
|
|
|
} else {
|
2010-04-30 04:01:03 +00:00
|
|
|
dev->fet_reply.argc = 0;
|
2010-01-04 00:03:36 +00:00
|
|
|
}
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-01-04 00:03:36 +00:00
|
|
|
/* Extract a pointer to the data */
|
|
|
|
if (type == PTYPE_DATA || type == PTYPE_MIXED) {
|
|
|
|
if (i + 4 > plen)
|
|
|
|
goto too_short;
|
|
|
|
|
2010-05-19 02:53:43 +00:00
|
|
|
dev->fet_reply.datalen = LE_LONG(dev->fet_buf, i);
|
2010-01-04 00:03:36 +00:00
|
|
|
i += 4;
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
if (i + dev->fet_reply.datalen > plen)
|
2010-01-04 00:03:36 +00:00
|
|
|
goto too_short;
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
dev->fet_reply.data = dev->fet_buf + i;
|
2010-01-04 00:03:36 +00:00
|
|
|
} else {
|
2010-04-30 04:01:03 +00:00
|
|
|
dev->fet_reply.data = NULL;
|
|
|
|
dev->fet_reply.datalen = 0;
|
2010-01-04 00:03:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
too_short:
|
2010-01-12 08:51:06 +00:00
|
|
|
fprintf(stderr, "fet: too short (%d bytes)\n",
|
2010-01-04 00:03:36 +00:00
|
|
|
plen);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-06-15 02:53:38 +00:00
|
|
|
/* Receive a packet from the FET. The usual format is:
|
|
|
|
* <length (2 bytes)> <data> <checksum>
|
|
|
|
*
|
|
|
|
* The length is that of the data + checksum. Olimex JTAG adapters follow
|
|
|
|
* all packets with a trailing 0x7e byte, which must be discarded.
|
|
|
|
*/
|
2010-04-30 04:01:03 +00:00
|
|
|
static int recv_packet(struct fet_device *dev)
|
2009-11-16 23:52:10 +00:00
|
|
|
{
|
2010-06-15 02:53:38 +00:00
|
|
|
int pkt_extra = (dev->proto_flags & FET_PROTO_OLIMEX) ? 3 : 2;
|
2010-05-19 02:53:43 +00:00
|
|
|
int plen = LE_WORD(dev->fet_buf, 0);
|
2009-11-16 23:52:10 +00:00
|
|
|
|
|
|
|
/* If there's a packet still here from last time, get rid of it */
|
2010-06-15 02:53:38 +00:00
|
|
|
if (dev->fet_len >= plen + pkt_extra) {
|
|
|
|
memmove(dev->fet_buf, dev->fet_buf + plen + pkt_extra,
|
|
|
|
dev->fet_len - plen - pkt_extra);
|
|
|
|
dev->fet_len -= plen + pkt_extra;
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Keep adding data to the buffer until we have a complete packet */
|
|
|
|
for (;;) {
|
|
|
|
int len;
|
|
|
|
|
2010-05-19 02:53:43 +00:00
|
|
|
plen = LE_WORD(dev->fet_buf, 0);
|
2010-06-15 02:53:38 +00:00
|
|
|
if (dev->fet_len >= plen + pkt_extra)
|
2010-04-30 04:01:03 +00:00
|
|
|
return parse_packet(dev, plen);
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-04-30 04:57:57 +00:00
|
|
|
len = dev->transport->recv(dev->transport,
|
|
|
|
dev->fet_buf + dev->fet_len,
|
|
|
|
sizeof(dev->fet_buf) -
|
|
|
|
dev->fet_len);
|
2009-11-16 23:52:10 +00:00
|
|
|
if (len < 0)
|
2010-01-04 00:03:36 +00:00
|
|
|
return -1;
|
2010-04-30 04:01:03 +00:00
|
|
|
dev->fet_len += len;
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|
|
|
|
|
2010-01-04 00:03:36 +00:00
|
|
|
return -1;
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
static int send_command(struct fet_device *dev, int command_code,
|
2010-05-13 00:57:21 +00:00
|
|
|
const uint32_t *params, int nparams,
|
|
|
|
const uint8_t *extra, int exlen)
|
2009-11-16 23:52:10 +00:00
|
|
|
{
|
2010-05-13 00:57:21 +00:00
|
|
|
uint8_t datapkt[256];
|
2009-11-17 02:11:46 +00:00
|
|
|
int len = 0;
|
|
|
|
|
2010-05-13 00:57:21 +00:00
|
|
|
uint8_t buf[512];
|
|
|
|
uint16_t cksum;
|
2009-11-16 23:52:10 +00:00
|
|
|
int i = 0;
|
|
|
|
int j;
|
|
|
|
|
2009-11-17 02:11:46 +00:00
|
|
|
assert (len + exlen + 2 <= sizeof(datapkt));
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-01-03 03:00:05 +00:00
|
|
|
/* Command code and packet type */
|
|
|
|
datapkt[len++] = command_code;
|
|
|
|
datapkt[len++] = ((nparams > 0) ? 1 : 0) + ((exlen > 0) ? 2 : 0) + 1;
|
|
|
|
|
|
|
|
/* Optional parameters */
|
|
|
|
if (nparams > 0) {
|
|
|
|
datapkt[len++] = nparams & 0xff;
|
|
|
|
datapkt[len++] = nparams >> 8;
|
|
|
|
|
|
|
|
for (j = 0; j < nparams; j++) {
|
2010-05-13 00:57:21 +00:00
|
|
|
uint32_t p = params[j];
|
2010-01-03 03:00:05 +00:00
|
|
|
|
|
|
|
datapkt[len++] = p & 0xff;
|
|
|
|
p >>= 8;
|
|
|
|
datapkt[len++] = p & 0xff;
|
|
|
|
p >>= 8;
|
|
|
|
datapkt[len++] = p & 0xff;
|
|
|
|
p >>= 8;
|
|
|
|
datapkt[len++] = p & 0xff;
|
|
|
|
}
|
|
|
|
}
|
2009-11-17 02:11:46 +00:00
|
|
|
|
2010-01-03 03:00:05 +00:00
|
|
|
/* Extra data */
|
2009-11-17 02:11:46 +00:00
|
|
|
if (extra) {
|
2010-01-04 03:19:10 +00:00
|
|
|
int x = exlen;
|
|
|
|
|
|
|
|
datapkt[len++] = x & 0xff;
|
|
|
|
x >>= 8;
|
|
|
|
datapkt[len++] = x & 0xff;
|
|
|
|
x >>= 8;
|
|
|
|
datapkt[len++] = x & 0xff;
|
|
|
|
x >>= 8;
|
|
|
|
datapkt[len++] = x & 0xff;
|
|
|
|
|
2009-11-17 02:11:46 +00:00
|
|
|
memcpy(datapkt + len, extra, exlen);
|
|
|
|
len += exlen;
|
|
|
|
}
|
|
|
|
|
2010-01-03 03:00:05 +00:00
|
|
|
/* Checksum */
|
2010-05-15 01:20:59 +00:00
|
|
|
cksum = calc_checksum(datapkt, len);
|
2009-11-16 23:52:10 +00:00
|
|
|
datapkt[len++] = cksum & 0xff;
|
|
|
|
datapkt[len++] = cksum >> 8;
|
|
|
|
|
2009-11-17 02:11:46 +00:00
|
|
|
/* Copy into buf, escaping special characters and adding
|
|
|
|
* delimeters.
|
|
|
|
*/
|
2010-06-15 02:53:38 +00:00
|
|
|
if (!(dev->proto_flags & FET_PROTO_OLIMEX))
|
|
|
|
buf[i++] = 0x7e;
|
|
|
|
|
2009-11-16 23:52:10 +00:00
|
|
|
for (j = 0; j < len; j++) {
|
|
|
|
char c = datapkt[j];
|
|
|
|
|
|
|
|
if (c == 0x7e || c == 0x7d) {
|
|
|
|
buf[i++] = 0x7d;
|
|
|
|
c ^= 0x20;
|
|
|
|
}
|
|
|
|
|
|
|
|
buf[i++] = c;
|
|
|
|
}
|
|
|
|
buf[i++] = 0x7e;
|
|
|
|
|
|
|
|
assert (i < sizeof(buf));
|
|
|
|
|
2010-04-30 04:57:57 +00:00
|
|
|
return dev->transport->send(dev->transport, buf, i);
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
static int xfer(struct fet_device *dev,
|
2010-05-13 00:57:21 +00:00
|
|
|
int command_code, const uint8_t *data, int datalen,
|
2010-01-04 01:02:31 +00:00
|
|
|
int nparams, ...)
|
2009-11-16 23:52:10 +00:00
|
|
|
{
|
2010-05-13 00:57:21 +00:00
|
|
|
uint32_t params[MAX_PARAMS];
|
2010-01-04 01:02:31 +00:00
|
|
|
int i;
|
|
|
|
va_list ap;
|
|
|
|
|
|
|
|
assert (nparams <= MAX_PARAMS);
|
|
|
|
|
|
|
|
va_start(ap, nparams);
|
|
|
|
for (i = 0; i < nparams; i++)
|
2010-08-05 02:43:07 +00:00
|
|
|
params[i] = va_arg(ap, uint32_t);
|
2010-01-04 01:02:31 +00:00
|
|
|
va_end(ap);
|
|
|
|
|
2010-06-15 02:53:38 +00:00
|
|
|
if (data && (dev->proto_flags & FET_PROTO_RF2500)) {
|
2010-04-08 03:01:09 +00:00
|
|
|
assert (nparams + 1 <= MAX_PARAMS);
|
|
|
|
params[nparams++] = datalen;
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
if (send_rf2500_data(dev, data, datalen) < 0)
|
2010-01-04 00:03:36 +00:00
|
|
|
return -1;
|
2010-04-30 04:01:03 +00:00
|
|
|
if (send_command(dev, command_code, params, nparams,
|
|
|
|
NULL, 0) < 0)
|
2010-01-04 00:03:36 +00:00
|
|
|
return -1;
|
2010-04-30 04:01:03 +00:00
|
|
|
} else if (send_command(dev, command_code, params, nparams,
|
2010-01-03 03:00:05 +00:00
|
|
|
data, datalen) < 0)
|
2010-01-04 00:03:36 +00:00
|
|
|
return -1;
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
if (recv_packet(dev) < 0)
|
2010-01-04 00:03:36 +00:00
|
|
|
return -1;
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
if (dev->fet_reply.command_code != command_code) {
|
2010-01-12 08:51:06 +00:00
|
|
|
fprintf(stderr, "fet: reply type mismatch\n");
|
2010-01-04 00:03:36 +00:00
|
|
|
return -1;
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|
|
|
|
|
2010-01-04 00:03:36 +00:00
|
|
|
return 0;
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
* MSP430 high-level control functions
|
|
|
|
*/
|
|
|
|
|
2010-07-02 02:22:52 +00:00
|
|
|
static void show_dev_info(const char *name, const struct fet_device *dev)
|
|
|
|
{
|
|
|
|
printf("Device: %s\n", name);
|
|
|
|
printf("Code memory starts at 0x%04x\n", dev->code_start);
|
|
|
|
printf("Number of breakpoints: %d\n", dev->base.max_breakpoints);
|
|
|
|
}
|
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
static int identify_old(struct fet_device *dev)
|
2010-01-04 02:31:42 +00:00
|
|
|
{
|
2010-05-20 00:47:03 +00:00
|
|
|
char idtext[64];
|
2010-05-18 23:29:16 +00:00
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
if (xfer(dev, C_IDENTIFY, NULL, 0, 2, 70, 0) < 0)
|
|
|
|
return -1;
|
2010-01-04 02:31:42 +00:00
|
|
|
|
2010-05-21 02:19:15 +00:00
|
|
|
if (dev->fet_reply.datalen < 0x26) {
|
2010-05-20 00:47:03 +00:00
|
|
|
fprintf(stderr, "fet: missing info\n");
|
|
|
|
return -1;
|
|
|
|
}
|
2010-01-04 02:31:42 +00:00
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
memcpy(idtext, dev->fet_reply.data + 4, 32);
|
|
|
|
idtext[32] = 0;
|
2010-05-18 23:29:16 +00:00
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
dev->code_start = LE_WORD(dev->fet_reply.data, 0x24);
|
2010-07-02 02:22:52 +00:00
|
|
|
dev->base.max_breakpoints = LE_WORD(dev->fet_reply.data, 0x2a);
|
2010-01-04 02:31:42 +00:00
|
|
|
|
2010-07-02 02:22:52 +00:00
|
|
|
show_dev_info(idtext, dev);
|
2010-01-04 02:31:42 +00:00
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
return 0;
|
|
|
|
}
|
2010-04-10 02:35:36 +00:00
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
static int identify_new(struct fet_device *dev, const char *force_id)
|
|
|
|
{
|
|
|
|
const struct fet_db_record *r;
|
2010-05-18 23:29:16 +00:00
|
|
|
|
2010-06-15 01:07:06 +00:00
|
|
|
if (xfer(dev, C_IDENT1, NULL, 0, 2, 0, 0) < 0) {
|
|
|
|
fprintf(stderr, "fet: command C_IDENT1 failed\n");
|
2010-05-20 00:47:03 +00:00
|
|
|
return -1;
|
|
|
|
}
|
2010-05-18 23:29:16 +00:00
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
if (dev->fet_reply.datalen < 2) {
|
|
|
|
fprintf(stderr, "fet: missing info\n");
|
|
|
|
return -1;
|
|
|
|
}
|
2010-05-18 23:29:16 +00:00
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
printf("Device ID: 0x%02x%02x\n",
|
|
|
|
dev->fet_reply.data[0], dev->fet_reply.data[1]);
|
2010-05-18 23:54:15 +00:00
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
if (force_id)
|
|
|
|
r = fet_db_find_by_name(force_id);
|
|
|
|
else
|
|
|
|
r = fet_db_find_by_msg28(dev->fet_reply.data,
|
|
|
|
dev->fet_reply.datalen);
|
2010-05-18 23:29:16 +00:00
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
if (!r) {
|
|
|
|
fprintf(stderr, "fet: unknown device\n");
|
|
|
|
debug_hexdump("msg28_data:", dev->fet_reply.data,
|
|
|
|
dev->fet_reply.datalen);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->code_start = LE_WORD(r->msg29_data, 0);
|
2010-07-02 02:22:52 +00:00
|
|
|
dev->base.max_breakpoints = LE_WORD(r->msg29_data, 0x14);
|
2010-05-20 00:47:03 +00:00
|
|
|
|
2010-07-02 02:22:52 +00:00
|
|
|
show_dev_info(r->name, dev);
|
2010-05-20 00:47:03 +00:00
|
|
|
|
2010-06-15 01:07:06 +00:00
|
|
|
if (xfer(dev, C_IDENT3, r->msg2b_data, r->msg2b_len, 0) < 0)
|
|
|
|
fprintf(stderr, "fet: warning: message C_IDENT3 failed\n");
|
2010-05-20 00:47:03 +00:00
|
|
|
|
2010-06-15 01:07:06 +00:00
|
|
|
if (xfer(dev, C_IDENT2, r->msg29_data, FET_DB_MSG29_LEN,
|
2010-05-20 00:47:03 +00:00
|
|
|
3, r->msg29_params[0], r->msg29_params[1],
|
|
|
|
r->msg29_params[2]) < 0) {
|
2010-06-15 01:07:06 +00:00
|
|
|
fprintf(stderr, "fet: message C_IDENT2 failed\n");
|
2010-05-20 00:47:03 +00:00
|
|
|
return -1;
|
2010-01-04 02:31:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
static int do_identify(struct fet_device *dev, const char *force_id)
|
|
|
|
{
|
2010-06-15 02:53:38 +00:00
|
|
|
if (dev->proto_flags & FET_PROTO_OLIMEX)
|
|
|
|
return identify_new(dev, force_id);
|
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
if (dev->version < 20300000)
|
|
|
|
return identify_old(dev);
|
|
|
|
|
|
|
|
return identify_new(dev, force_id);
|
|
|
|
}
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
static int do_run(struct fet_device *dev, int type)
|
2009-11-16 23:52:10 +00:00
|
|
|
{
|
2010-04-30 04:01:03 +00:00
|
|
|
if (xfer(dev, C_RUN, NULL, 0, 2, type, 0) < 0) {
|
2010-01-06 03:17:55 +00:00
|
|
|
fprintf(stderr, "fet: failed to restart CPU\n");
|
2009-11-16 23:52:10 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-01-06 03:17:55 +00:00
|
|
|
return 0;
|
|
|
|
}
|
2010-01-04 02:31:42 +00:00
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
static int do_erase(struct fet_device *dev)
|
2010-01-06 03:17:55 +00:00
|
|
|
{
|
2010-04-30 04:01:03 +00:00
|
|
|
if (xfer(dev, C_RESET, NULL, 0, 3, FET_RESET_ALL, 0, 0) < 0) {
|
2010-01-06 03:17:55 +00:00
|
|
|
fprintf(stderr, "fet: reset before erase failed\n");
|
2009-11-17 02:26:32 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-05-20 01:14:36 +00:00
|
|
|
if (xfer(dev, C_CONFIGURE, NULL, 0, 2, FET_CONFIG_CLKCTRL, 0x26) < 0) {
|
2010-01-06 03:17:55 +00:00
|
|
|
fprintf(stderr, "fet: config (1) failed\n");
|
2009-11-16 23:52:10 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-05-20 01:14:36 +00:00
|
|
|
if (xfer(dev, C_CONFIGURE, NULL, 0, 2, FET_CONFIG_FLASH_LOCK, 0) < 0) {
|
2010-01-06 03:17:55 +00:00
|
|
|
fprintf(stderr, "fet: config (2) failed\n");
|
|
|
|
return -1;
|
|
|
|
}
|
2010-01-04 02:31:42 +00:00
|
|
|
|
2010-05-20 00:47:03 +00:00
|
|
|
if (xfer(dev, C_ERASE, NULL, 0, 3, FET_ERASE_MAIN,
|
|
|
|
dev->code_start, 0) < 0) {
|
2010-01-06 03:17:55 +00:00
|
|
|
fprintf(stderr, "fet: erase command failed\n");
|
2009-11-16 23:52:10 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-01-06 03:17:55 +00:00
|
|
|
return 0;
|
|
|
|
}
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
static device_status_t fet_poll(device_t dev_base)
|
2010-01-06 03:17:55 +00:00
|
|
|
{
|
2010-04-30 04:01:03 +00:00
|
|
|
struct fet_device *dev = (struct fet_device *)dev_base;
|
|
|
|
|
|
|
|
/* Without this delay, breakpoints can get lost. */
|
|
|
|
if (usleep(500000) < 0)
|
|
|
|
return DEVICE_STATUS_INTR;
|
|
|
|
|
|
|
|
if (xfer(dev, C_STATE, NULL, 0, 1, 0) < 0) {
|
|
|
|
fprintf(stderr, "fet: polling failed\n");
|
|
|
|
return DEVICE_STATUS_ERROR;
|
|
|
|
}
|
2010-01-06 03:17:55 +00:00
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
if (!(dev->fet_reply.argv[0] & FET_POLL_RUNNING))
|
|
|
|
return DEVICE_STATUS_HALTED;
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-03-23 01:37:53 +00:00
|
|
|
return DEVICE_STATUS_RUNNING;
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|
|
|
|
|
2010-07-27 01:08:21 +00:00
|
|
|
static int refresh_bps(struct fet_device *dev)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
for (i = 0; i < dev->base.max_breakpoints; i++) {
|
|
|
|
struct device_breakpoint *bp = &dev->base.breakpoints[i];
|
|
|
|
|
|
|
|
if (bp->flags & DEVICE_BP_DIRTY) {
|
|
|
|
uint16_t addr = bp->addr;
|
|
|
|
|
|
|
|
if (!(bp->flags & DEVICE_BP_ENABLED))
|
|
|
|
addr = 0;
|
|
|
|
|
|
|
|
if (xfer(dev, C_BREAKPOINT, NULL, 0, 2, i, addr) < 0) {
|
|
|
|
fprintf(stderr, "fet: failed to refresh "
|
|
|
|
"breakpoint #%d\n", i);
|
|
|
|
ret = -1;
|
|
|
|
} else {
|
|
|
|
bp->flags &= ~DEVICE_BP_DIRTY;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
static int fet_ctl(device_t dev_base, device_ctl_t action)
|
2009-11-16 23:52:10 +00:00
|
|
|
{
|
2010-04-30 04:01:03 +00:00
|
|
|
struct fet_device *dev = (struct fet_device *)dev_base;
|
|
|
|
|
2010-01-06 03:17:55 +00:00
|
|
|
switch (action) {
|
|
|
|
case DEVICE_CTL_RESET:
|
2010-04-30 04:01:03 +00:00
|
|
|
if (xfer(dev, C_RESET, NULL, 0, 3, FET_RESET_ALL, 0, 0) < 0) {
|
|
|
|
fprintf(stderr, "fet: reset failed\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
break;
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-01-06 03:17:55 +00:00
|
|
|
case DEVICE_CTL_RUN:
|
2010-07-27 01:08:21 +00:00
|
|
|
if (refresh_bps(dev) < 0)
|
|
|
|
fprintf(stderr, "warning: fet: failed to refresh "
|
|
|
|
"breakpoints\n");
|
2010-07-02 02:22:52 +00:00
|
|
|
return do_run(dev, FET_RUN_BREAKPOINT);
|
2010-01-06 03:17:55 +00:00
|
|
|
|
|
|
|
case DEVICE_CTL_HALT:
|
2010-04-30 04:01:03 +00:00
|
|
|
if (xfer(dev, C_STATE, NULL, 0, 1, 1) < 0) {
|
|
|
|
fprintf(stderr, "fet: failed to halt CPU\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
break;
|
2010-01-06 03:17:55 +00:00
|
|
|
|
|
|
|
case DEVICE_CTL_STEP:
|
2010-04-30 04:01:03 +00:00
|
|
|
if (do_run(dev, FET_RUN_STEP) < 0)
|
2010-01-06 03:17:55 +00:00
|
|
|
return -1;
|
2010-04-30 04:01:03 +00:00
|
|
|
|
|
|
|
for (;;) {
|
|
|
|
device_status_t status = fet_poll(dev_base);
|
|
|
|
|
|
|
|
if (status == DEVICE_STATUS_ERROR ||
|
|
|
|
status == DEVICE_STATUS_INTR)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
if (status == DEVICE_STATUS_HALTED)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
2010-01-06 03:17:55 +00:00
|
|
|
|
|
|
|
case DEVICE_CTL_ERASE:
|
2010-04-30 04:01:03 +00:00
|
|
|
return do_erase(dev);
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
static void fet_destroy(device_t dev_base)
|
2009-11-16 23:52:10 +00:00
|
|
|
{
|
2010-04-30 04:01:03 +00:00
|
|
|
struct fet_device *dev = (struct fet_device *)dev_base;
|
|
|
|
|
|
|
|
if (xfer(dev, C_RUN, NULL, 0, 2, FET_RUN_FREE, 1) < 0)
|
|
|
|
fprintf(stderr, "fet: failed to restart CPU\n");
|
|
|
|
|
|
|
|
if (xfer(dev, C_CLOSE, NULL, 0, 1, 0) < 0)
|
|
|
|
fprintf(stderr, "fet: close command failed\n");
|
|
|
|
|
2010-04-30 04:57:57 +00:00
|
|
|
dev->transport->destroy(dev->transport);
|
2010-04-30 04:01:03 +00:00
|
|
|
free(dev);
|
|
|
|
}
|
|
|
|
|
2010-08-05 02:43:07 +00:00
|
|
|
int fet_readmem(device_t dev_base, address_t addr, uint8_t *buffer,
|
|
|
|
address_t count)
|
2010-04-30 04:01:03 +00:00
|
|
|
{
|
|
|
|
struct fet_device *dev = (struct fet_device *)dev_base;
|
|
|
|
|
|
|
|
while (count) {
|
|
|
|
int plen = count > 128 ? 128 : count;
|
|
|
|
|
|
|
|
if (xfer(dev, C_READMEMORY, NULL, 0, 2, addr, plen) < 0) {
|
|
|
|
fprintf(stderr, "fet: failed to read "
|
|
|
|
"from 0x%04x\n", addr);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (dev->fet_reply.datalen < plen) {
|
|
|
|
fprintf(stderr, "fet: short data: "
|
|
|
|
"%d bytes\n", dev->fet_reply.datalen);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
memcpy(buffer, dev->fet_reply.data, plen);
|
|
|
|
buffer += plen;
|
|
|
|
count -= plen;
|
|
|
|
addr += plen;
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-08-05 02:43:07 +00:00
|
|
|
int fet_writemem(device_t dev_base, address_t addr,
|
|
|
|
const uint8_t *buffer, address_t count)
|
2009-11-16 23:52:10 +00:00
|
|
|
{
|
2010-04-30 04:01:03 +00:00
|
|
|
struct fet_device *dev = (struct fet_device *)dev_base;
|
|
|
|
|
|
|
|
while (count) {
|
|
|
|
int plen = count > 128 ? 128 : count;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = xfer(dev, C_WRITEMEMORY, buffer, plen, 1, addr);
|
|
|
|
|
|
|
|
if (ret < 0) {
|
|
|
|
fprintf(stderr, "fet: failed to write to 0x%04x\n",
|
|
|
|
addr);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
buffer += plen;
|
|
|
|
count -= plen;
|
|
|
|
addr += plen;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-08-05 02:43:07 +00:00
|
|
|
static int fet_getregs(device_t dev_base, address_t *regs)
|
2010-04-30 04:01:03 +00:00
|
|
|
{
|
|
|
|
struct fet_device *dev = (struct fet_device *)dev_base;
|
2009-11-16 23:52:10 +00:00
|
|
|
int i;
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
if (xfer(dev, C_READREGISTERS, NULL, 0, 0) < 0)
|
2010-01-04 00:03:36 +00:00
|
|
|
return -1;
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
if (dev->fet_reply.datalen < DEVICE_NUM_REGS * 4) {
|
2010-01-06 03:17:55 +00:00
|
|
|
fprintf(stderr, "fet: short reply (%d bytes)\n",
|
2010-04-30 04:01:03 +00:00
|
|
|
dev->fet_reply.datalen);
|
2009-11-16 23:52:10 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-01-06 03:17:55 +00:00
|
|
|
for (i = 0; i < DEVICE_NUM_REGS; i++)
|
2010-08-05 02:43:07 +00:00
|
|
|
regs[i] = LE_LONG(dev->fet_reply.data, i * 4);
|
2009-11-16 23:52:10 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-08-05 02:43:07 +00:00
|
|
|
static int fet_setregs(device_t dev_base, const address_t *regs)
|
2009-11-16 23:52:10 +00:00
|
|
|
{
|
2010-04-30 04:01:03 +00:00
|
|
|
struct fet_device *dev = (struct fet_device *)dev_base;
|
2010-05-13 00:57:21 +00:00
|
|
|
uint8_t buf[DEVICE_NUM_REGS * 4];;
|
2009-11-16 23:52:10 +00:00
|
|
|
int i;
|
2010-01-04 01:02:31 +00:00
|
|
|
int ret;
|
2009-11-16 23:52:10 +00:00
|
|
|
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
|
|
|
2010-01-06 03:17:55 +00:00
|
|
|
for (i = 0; i < DEVICE_NUM_REGS; i++) {
|
2009-11-16 23:52:10 +00:00
|
|
|
buf[i * 4] = regs[i] & 0xff;
|
2010-08-05 02:43:07 +00:00
|
|
|
buf[i * 4 + 1] = (regs[i] >> 8) & 0xff;
|
|
|
|
buf[i * 4 + 2] = (regs[i] >> 16) & 0xff;
|
|
|
|
buf[i * 4 + 3] = regs[i] >> 24;
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
ret = xfer(dev, C_WRITEREGISTERS, buf, sizeof(buf), 1, 0xffff);
|
2010-01-04 01:02:31 +00:00
|
|
|
|
|
|
|
if (ret < 0) {
|
2010-01-06 03:17:55 +00:00
|
|
|
fprintf(stderr, "fet: context set failed\n");
|
2009-11-16 23:52:10 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-06-15 02:53:38 +00:00
|
|
|
static int do_configure(struct fet_device *dev)
|
2010-06-15 00:56:20 +00:00
|
|
|
{
|
2010-06-15 02:53:38 +00:00
|
|
|
if (dev->proto_flags & FET_PROTO_SPYBIWIRE) {
|
2010-06-15 00:56:20 +00:00
|
|
|
if (!xfer(dev, C_CONFIGURE, NULL, 0,
|
|
|
|
2, FET_CONFIG_PROTOCOL, 1)) {
|
2010-06-15 01:13:51 +00:00
|
|
|
printf("Configured for Spy-Bi-Wire\n");
|
2010-06-15 00:56:20 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-06-15 01:13:51 +00:00
|
|
|
fprintf(stderr, "fet: Spy-Bi-Wire configuration failed\n");
|
2010-06-15 00:56:20 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!xfer(dev, C_CONFIGURE, NULL, 0,
|
|
|
|
2, FET_CONFIG_PROTOCOL, 2)) {
|
|
|
|
printf("Configured for JTAG (2)\n");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
fprintf(stderr, "fet: warning: JTAG configuration failed -- "
|
|
|
|
"retrying\n");
|
|
|
|
|
|
|
|
if (!xfer(dev, C_CONFIGURE, NULL, 0,
|
|
|
|
2, FET_CONFIG_PROTOCOL, 0)) {
|
|
|
|
printf("Configured for JTAG (0)\n");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
fprintf(stderr, "fet: JTAG configuration failed\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-05-18 23:54:15 +00:00
|
|
|
device_t fet_open(transport_t transport, int proto_flags, int vcc_mv,
|
|
|
|
const char *force_id)
|
2010-01-06 03:17:55 +00:00
|
|
|
{
|
2010-04-30 04:01:03 +00:00
|
|
|
struct fet_device *dev = malloc(sizeof(*dev));
|
2010-07-02 02:22:52 +00:00
|
|
|
int i;
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
if (!dev) {
|
|
|
|
perror("fet: failed to allocate memory");
|
2010-01-06 03:17:55 +00:00
|
|
|
return NULL;
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|
|
|
|
|
2010-07-27 01:08:21 +00:00
|
|
|
memset(dev, 0, sizeof(*dev));
|
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
dev->base.destroy = fet_destroy;
|
|
|
|
dev->base.readmem = fet_readmem;
|
|
|
|
dev->base.writemem = fet_writemem;
|
|
|
|
dev->base.getregs = fet_getregs;
|
|
|
|
dev->base.setregs = fet_setregs;
|
|
|
|
dev->base.ctl = fet_ctl;
|
|
|
|
dev->base.poll = fet_poll;
|
|
|
|
|
2010-04-30 04:57:57 +00:00
|
|
|
dev->transport = transport;
|
2010-06-15 02:53:38 +00:00
|
|
|
dev->proto_flags = proto_flags;
|
2010-04-30 04:01:03 +00:00
|
|
|
|
2010-06-15 02:53:38 +00:00
|
|
|
if (proto_flags & FET_PROTO_OLIMEX) {
|
|
|
|
printf("Resetting Olimex command processor...\n");
|
|
|
|
transport->send(dev->transport, (const uint8_t *)"\x7e", 1);
|
|
|
|
usleep(5000);
|
|
|
|
transport->send(dev->transport, (const uint8_t *)"\x7e", 1);
|
|
|
|
usleep(5000);
|
|
|
|
}
|
|
|
|
|
|
|
|
printf("Initializing FET...\n");
|
2010-04-30 04:01:03 +00:00
|
|
|
if (xfer(dev, C_INITIALIZE, NULL, 0, 0) < 0) {
|
|
|
|
fprintf(stderr, "fet: open failed\n");
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->version = dev->fet_reply.argv[0];
|
|
|
|
printf("FET protocol version is %d\n", dev->version);
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
if (xfer(dev, 0x27, NULL, 0, 1, 4) < 0) {
|
2010-01-06 03:17:55 +00:00
|
|
|
fprintf(stderr, "fet: init failed\n");
|
2010-04-30 04:01:03 +00:00
|
|
|
goto fail;
|
2010-01-06 03:17:55 +00:00
|
|
|
}
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-06-15 02:53:38 +00:00
|
|
|
if (do_configure(dev) < 0)
|
2010-04-30 04:01:03 +00:00
|
|
|
goto fail;
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-01-06 03:17:55 +00:00
|
|
|
/* set VCC */
|
2010-07-01 00:25:34 +00:00
|
|
|
if (xfer(dev, C_VCC, NULL, 0, 1, vcc_mv) < 0)
|
|
|
|
fprintf(stderr, "warning: fet: set VCC failed\n");
|
|
|
|
else
|
|
|
|
printf("Set Vcc: %d mV\n", vcc_mv);
|
2009-11-16 23:52:10 +00:00
|
|
|
|
2010-01-06 08:08:01 +00:00
|
|
|
/* Identify the chip */
|
2010-05-18 23:54:15 +00:00
|
|
|
if (do_identify(dev, force_id) < 0) {
|
2010-01-06 08:08:01 +00:00
|
|
|
fprintf(stderr, "fet: identify failed\n");
|
2010-04-30 04:01:03 +00:00
|
|
|
goto fail;
|
2010-01-06 08:08:01 +00:00
|
|
|
}
|
|
|
|
|
2010-07-27 01:08:21 +00:00
|
|
|
/* Make sure breakpoints get reset on the first run */
|
|
|
|
if (dev->base.max_breakpoints > DEVICE_MAX_BREAKPOINTS)
|
|
|
|
dev->base.max_breakpoints = DEVICE_MAX_BREAKPOINTS;
|
2010-07-02 02:22:52 +00:00
|
|
|
for (i = 0; i < dev->base.max_breakpoints; i++)
|
2010-07-27 01:08:21 +00:00
|
|
|
dev->base.breakpoints[i].flags = DEVICE_BP_DIRTY;
|
2010-07-02 02:22:52 +00:00
|
|
|
|
2010-04-30 04:01:03 +00:00
|
|
|
return (device_t)dev;
|
|
|
|
|
|
|
|
fail:
|
|
|
|
free(dev);
|
|
|
|
return NULL;
|
2009-11-16 23:52:10 +00:00
|
|
|
}
|