499 lines
13 KiB
C
499 lines
13 KiB
C
/*
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* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
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* to the MC1322x project (http://mc1322x.devl.org)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of libmc1322x: see http://mc1322x.devl.org
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* for details.
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*
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* $Id: bbmc.c,v 1.2 2011/01/17 15:45:02 maralvira Exp $
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*/
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/* control reset and VREF2 lines */
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <getopt.h>
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#include <ftdi.h>
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#define DEBUG 0
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#define low(x) (1 << x)
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#define high(x) (1 << (x + 8))
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#define REDBEE_ECONOTAG_RESET high(2)
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#define REDBEE_ECONOTAG_VREF2L high(7)
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#define REDBEE_ECONOTAG_VREF2H high(6)
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#define REDBEE_ECONOTAG_INTERFACE INTERFACE_A
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#define REDBEE_USB_RESET high(2)
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#define REDBEE_USB_VREF2L low(5)
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#define REDBEE_USB_VREF2H low(6)
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#define REDBEE_USB_INTERFACE INTERFACE_B
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#define BOARD REDBEE_USB
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#define STR(x) #x
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#define STR2(x) STR(x)
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#define CAT(x,y) x##y
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#define CAT2(x, y, z) x##y##z
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#define dir(x) ( CAT(x,_RESET) | CAT(x,_VREF2L) | CAT(x,_VREF2H))
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#define interface(x) ( CAT(x,_INTERFACE) )
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#define reset_release(x) ( CAT(x,_RESET) )
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#define reset_set(x) ( 0 )
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#define vref2_normal(x) ( CAT(x,_VREF2H) )
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#define vref2_erase(x) ( CAT(x,_VREF2L) )
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/* fgets input buffer length: for prompts and such */
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#define BUF_LEN 32
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struct layout {
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char *name;
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char *desc;
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enum ftdi_interface interface;
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uint16_t dir;
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uint16_t reset_release;
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uint16_t reset_set;
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uint16_t vref2_normal;
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uint16_t vref2_erase;
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};
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int print_and_prompt( struct ftdi_device_list *devlist );
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int bb_mpsee(struct ftdi_context *ftdic, uint16_t dir, uint16_t val);
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void reset(struct ftdi_context *ftdic, const struct layout * l);
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void erase(struct ftdi_context *ftdic, const struct layout * l);
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void usage(void);
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#define std_layout(x) \
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.interface = interface(x), \
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.dir = dir(x), \
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.reset_release = reset_release(x), \
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.reset_set = reset_set(x), \
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.vref2_normal = vref2_normal(x), \
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.vref2_erase = vref2_erase(x),
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static struct layout layouts[] =
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{
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{ .name = "redbee-econotag",
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.desc = "Redbee Econotag",
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std_layout(REDBEE_ECONOTAG)
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},
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{ .name = "redbee-usb",
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.desc = "Redbee USB stick",
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std_layout(REDBEE_USB)
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},
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{ .name = NULL, /* end of table */ },
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};
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struct command {
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char *name;
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char *desc;
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void (*cmd)(struct ftdi_context *ftdic, const struct layout * l);
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};
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static const struct command commands[] =
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{
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{
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.name = "reset",
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.desc = "Toggles reset pin",
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.cmd = reset,
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},
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{
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.name = "erase",
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.desc = "Sets VREF2 erase mode; toggles reset; waits 2 sec.; sets normal; toggles reset again",
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.cmd = erase,
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},
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{ .name = NULL, /* end of table */ },
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};
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struct layout * find_layout(char * str)
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{
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uint32_t i = 0;
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while(layouts[i].name != NULL) {
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if(strcmp(layouts[i].name, str) == 0) { return &layouts[i]; }
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i++;
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}
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return NULL;
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}
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static uint32_t vendid = 0x0403; uint32_t prodid = 0x6010;
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int main(int argc, char **argv)
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{
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struct ftdi_context ftdic;
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struct ftdi_device_list *devlist;
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int dev_index = -1; int num_devs;
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char layout_str[BUF_LEN];
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struct layout layout;
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struct layout *l = NULL;
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int i, ret;
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/* overrides for layout parameters */
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int interface = -1;
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int dir = -1;
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int reset_release = -1;
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int reset_set = -1;
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int vref2_normal = -1;
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int vref2_erase = -1;
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layout.name = NULL;
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while (1) {
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int c;
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int option_index = 0;
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static struct option long_options[] = {
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{"layout", required_argument, 0, 'l'},
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{"index", required_argument, 0, 'i'},
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{"vendor", required_argument, 0, 'v'},
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{"product", required_argument, 0, 'p'},
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{"dir", required_argument, 0, 0 },
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{"reset_release", required_argument, 0, 0 },
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{"reset_set", required_argument, 0, 0 },
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{"vref2_normal", required_argument, 0, 0 },
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{"vref2_erase", required_argument, 0, 0 },
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{"interface", required_argument, 0, 0 },
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{"help", no_argument, 0, '?'},
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{0, 0, 0, 0}
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};
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c = getopt_long (argc, argv, "i:l:v:p:",
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long_options, &option_index);
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if (c == -1)
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break;
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switch (c) {
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/* process long opts */
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case 0:
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if(strcmp(long_options[option_index].name, "interface") == 0) {
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sscanf(optarg, "%i", &interface);
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}
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if(strcmp(long_options[option_index].name, "dir") == 0) {
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sscanf(optarg, "%i", &dir);
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}
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if (strcmp(long_options[option_index].name, "reset_release") == 0) {
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sscanf(optarg, "%i", &reset_release);
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}
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if (strcmp(long_options[option_index].name, "reset_set") == 0) {
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sscanf(optarg, "%i", &reset_set);
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}
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if (strcmp(long_options[option_index].name, "vref2_normal") == 0) {
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sscanf(optarg, "%i", &vref2_normal);
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}
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if (strcmp(long_options[option_index].name, "vref2_erase") == 0) {
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sscanf(optarg, "%i", &vref2_erase);
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}
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break;
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case 'l':
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strncpy(layout_str, optarg, BUF_LEN);
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break;
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case 'i':
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dev_index = atoi(optarg);
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break;
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case 'v':
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sscanf(optarg, "%i", &vendid);
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break;
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case 'p':
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sscanf(optarg, "%i", &prodid);
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break;
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default:
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usage();
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break;
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}
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}
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if( !(l = find_layout(layout_str)) &&
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!((interface >= 0) &&
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(dir >= 0) &&
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(reset_release >= 0) &&
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(reset_set >= 0) &&
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(vref2_normal >= 0) &&
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(vref2_erase >= 0))
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) {
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printf("*** You must specify a layout or a complete set of overrides\n");
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return EXIT_FAILURE;
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}
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if(l) {
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memcpy(&layout, l, sizeof(struct layout));
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}
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#define override(x) if(x > 0) { layout.x = x; }
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override(interface);
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override(dir);
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override(reset_release); override(reset_set);
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override(vref2_normal); override(vref2_erase);
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if ((num_devs = ftdi_usb_find_all(&ftdic, &devlist, vendid, prodid)) < 0)
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{
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fprintf(stderr, "ftdi_usb_find_all failed: %d (%s)\n",
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num_devs,
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ftdi_get_error_string(&ftdic));
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return EXIT_FAILURE;
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}
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if (ftdi_init(&ftdic) < 0)
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{
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fprintf(stderr, "ftdi_init failed\n");
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return EXIT_FAILURE;
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}
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if (ftdi_set_interface(&ftdic, layout.interface) < 0) {
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fprintf(stderr, "couldn't set interface %d\n", layout.interface);
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return EXIT_FAILURE;
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}
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printf("Found %d devices with vendor id 0x%04x product id 0x%04x\n",
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num_devs, vendid, prodid);
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if(num_devs == 0) { return EXIT_SUCCESS; }
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if(num_devs == 1) { dev_index = 0; }
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while( (dev_index < 0) || (dev_index >= num_devs)){
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dev_index = print_and_prompt(devlist);
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}
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if(layout.name != NULL) {
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printf("Opening device %d interface %d using layout %s\n",
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dev_index, layout.interface, layout.name);
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} else {
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printf("Opening device %d interface %d without a layout.\n",
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dev_index, layout.interface);
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}
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if( (ret = ftdi_usb_open_desc_index(
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&ftdic,
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vendid,
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prodid,
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NULL,
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NULL,
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dev_index)) < 0) {
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fprintf(stderr, "couldn't open dev_index %d\n", dev_index);
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return EXIT_FAILURE;
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}
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for(i = 0; commands[i].name != NULL; i++) {
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if( (argv[optind] != NULL) &&
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(strcmp(commands[i].name, argv[optind]) == 0)) { break; }
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}
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if(commands[i].name != NULL) {
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commands[i].cmd(&ftdic, &layout);
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} else {
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printf("invalid command\n");
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ftdi_list_free(&devlist);
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ftdi_deinit(&ftdic);
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return EXIT_FAILURE;
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}
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printf("done.\n");
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ftdi_list_free(&devlist);
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ftdi_deinit(&ftdic);
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return EXIT_SUCCESS;
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}
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void usage(void)
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{
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int i;
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printf( "Usage: bbmc [options|overrides] -l|--layout layout command \n");
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printf( "Commands:\n");
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for(i = 0; commands[i].name != NULL; i++) {
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printf( " %s: %s\n", commands[i].name, commands[i].desc);
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}
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printf("\n");
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printf( "Required options:\n");
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printf( " -l|--layout\t specifiy which board layout to use\n");
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printf( " \t layout is not necessary with a full\n");
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printf( " \t set of overrides\n");
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printf( "\nLayout overrides:\n");
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printf( " --interface\t\t FTDI interface to use\n");
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printf( " --dir\t\t direction (1 is output)\n");
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printf( " --reset_release\t reset release command\n");
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printf( " --reset_set\t\t reset set command\n");
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printf( " --vref2_normal\t vref2 normal\n");
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printf( " --vref2_erase\t vref2 erase\n");
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printf("\n");
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printf( "Layouts:\n");
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for(i = 0; layouts[i].name != NULL; i++) {
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printf( "\t%s: %s\n", layouts[i].name, layouts[i].desc);
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printf("\n");
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printf( "\t\tinterface: \t0x%04x\n", layouts[i].interface);
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printf( "\t\tdir: \t\t0x%04x\n", layouts[i].dir);
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printf( "\t\treset release: \t0x%04x\n", layouts[i].reset_release);
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printf( "\t\treset hold: \t0x%04x\n", layouts[i].reset_set);
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printf( "\t\tvref2 normal: \t0x%04x\n", layouts[i].vref2_normal);
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printf( "\t\tvref2 erase: \t0x%04x\n", layouts[i].vref2_erase);
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printf("\n");
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}
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printf("\n");
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printf( "Options:\n");
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printf( " -i|--index specifiy which device to use (default 0)\n");
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printf( " -v|--vendor set vendor id (default 0x0403)\n");
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printf( " -p|--product set vendor id (default 0x6010)\n");
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}
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int print_and_prompt( struct ftdi_device_list *devlist )
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{
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int i, ret;
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struct ftdi_context ftdic;
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struct ftdi_device_list *curdev;
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char manufacturer[128], description[128], serial[128];
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char input[BUF_LEN]; char *s;
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int sel = -1;
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printf("\n");
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i = 0;
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for (curdev = devlist; curdev != NULL; i++)
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{
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printf(" [%d] ", i);
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if (0 > (ret = ftdi_usb_get_strings(&ftdic,
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curdev->dev,
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manufacturer, 128,
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description, 128,
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serial, 128)))
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{
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fprintf(stderr, "ftdi_usb_get_strings failed: %d (%s)\n",
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ret, ftdi_get_error_string(&ftdic));
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return EXIT_FAILURE;
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}
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printf("Manufacturer: %s, Description: %s, Serial %s\n",
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manufacturer, description, serial);
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curdev = curdev->next;
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}
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printf("\nUse which device? ");
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s = fgets(input, BUF_LEN, stdin);
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if (s != NULL) {
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size_t last = strlen (input) - 1;
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if (input[last] == '\n') input[last] = '\0';
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}
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sscanf(s, "%i",&sel);
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return sel;
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}
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void reset(struct ftdi_context *ftdic, const struct layout * l)
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{
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/* using MPSSE since it give access to high GPIO*/
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/* set as inputs for now */
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ftdi_set_bitmode(ftdic, 0 , BITMODE_MPSSE);
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printf("toggle reset\n");
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
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bb_mpsee(ftdic, l->dir, (l->reset_set | l->vref2_normal));
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
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return;
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}
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void erase(struct ftdi_context *ftdic, const struct layout * l)
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{
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printf("setting VREF2 erase\n");
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/* using MPSSE since it give access to high GPIO*/
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/* set as inputs for now */
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ftdi_set_bitmode(ftdic, 0 , BITMODE_MPSSE);
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_erase));
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printf("toggle reset\n");
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bb_mpsee(ftdic, l->dir, (l->reset_set | l->vref2_erase));
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_erase));
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printf("waiting for erase\n");
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sleep(2);
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printf("setting VREF2 normal\n");
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
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reset(ftdic, l);
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return;
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}
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int bb_mpsee(struct ftdi_context *ftdic, uint16_t dir, uint16_t val)
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{
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uint8_t buf[3];
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int ret;
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/* command "set data bits low byte" */
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buf[0] = 0x80;
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buf[1] = (val & 0xff);
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buf[2] = dir & 0xff;
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#if DEBUG
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fprintf(stderr,"write %x %x %x\n",buf[0],buf[1],buf[2]);
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#endif
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if ((ret = (ftdi_write_data(ftdic, buf, 3))) < 0)
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{
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perror("ft2232_write error");
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fprintf(stderr, "ft2232_write command %x\n", buf[0]);
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return EXIT_FAILURE;
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}
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/* command "set data bits high byte" */
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buf[0] = 0x82;
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buf[1] = (val >> 8);
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buf[2] = dir >> 8;
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#if DEBUG
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fprintf(stderr,"write %x %x %x\n",buf[0],buf[1],buf[2]);
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#endif
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if ((ret = (ftdi_write_data(ftdic, buf, 3))) < 0)
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{
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perror("ft2232_write error");
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fprintf(stderr, "ft2232_write command %x\n", buf[0]);
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return EXIT_FAILURE;
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}
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return 0;
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}
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