fixed misleading error message
[hmcfgusb] / flash-hmcfgusb.c
CommitLineData
19cb9745 1/* flasher for HM-CFG-USB
9fb0f4d2 2 *
6c5c2df7 3 * Copyright (c) 2013-14 Michael Gernoth <michael@gernoth.net>
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4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to
7 * deal in the Software without restriction, including without limitation the
8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
9 * sell copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#include <stdio.h>
25#include <stdlib.h>
26#include <unistd.h>
27#include <stdint.h>
28#include <string.h>
29#include <strings.h>
30#include <poll.h>
31#include <errno.h>
32#include <sys/types.h>
33#include <sys/stat.h>
34#include <fcntl.h>
35#include <sys/time.h>
36#include <libusb-1.0/libusb.h>
37
38#include "hexdump.h"
6c5c2df7 39#include "firmware.h"
19cb9745 40#include "version.h"
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41#include "hmcfgusb.h"
42
43struct recv_data {
b5e57d26 44 int ack;
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45};
46
47static int parse_hmcfgusb(uint8_t *buf, int buf_len, void *data)
48{
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49 struct recv_data *rdata = data;
50
51 if (buf_len != 1)
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52 return 1;
53
b5e57d26 54 rdata->ack = buf[0];
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55
56 return 1;
57}
58
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59int main(int argc, char **argv)
60{
19cb9745 61 const char twiddlie[] = { '-', '\\', '|', '/' };
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62 struct hmcfgusb_dev *dev;
63 struct recv_data rdata;
19cb9745 64 uint16_t len;
6c5c2df7 65 struct firmware *fw;
19cb9745 66 int block;
b5e57d26 67 int pfd;
b5e57d26 68 int debug = 0;
9fb0f4d2 69
19cb9745 70 printf("HM-CFG-USB flasher version " VERSION "\n\n");
9fb0f4d2 71
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72 if (argc != 2) {
73 if (argc == 1)
74 fprintf(stderr, "Missing firmware filename!\n\n");
9fb0f4d2 75
19cb9745 76 fprintf(stderr, "Syntax: %s hmusbif.enc\n\n", argv[0]);
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77 exit(EXIT_FAILURE);
78 }
79
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80 fw = firmware_read_firmware(argv[1], debug);
81 if (!fw)
19cb9745 82 exit(EXIT_FAILURE);
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83
84 hmcfgusb_set_debug(debug);
85
86 memset(&rdata, 0, sizeof(rdata));
87
88 dev = hmcfgusb_init(parse_hmcfgusb, &rdata);
89 if (!dev) {
90 fprintf(stderr, "Can't initialize HM-CFG-USB\n");
91 exit(EXIT_FAILURE);
92 }
93
94 if (!dev->bootloader) {
95 fprintf(stderr, "\nHM-CFG-USB not in bootloader mode, entering bootloader.\n");
96 hmcfgusb_enter_bootloader(dev);
97 fprintf(stderr, "\nWaiting for device to reappear...\n");
98
99 do {
6c5c2df7 100 sleep(2);
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101 } while ((dev = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL);
102
103 if (!dev->bootloader) {
104 fprintf(stderr, "Can't enter bootloader, giving up!\n");
105 exit(EXIT_FAILURE);
106 }
107 }
108
109 printf("\nHM-CFG-USB opened.\n\n");
110
111
6c5c2df7 112 printf("Flashing %d blocks", fw->fw_blocks);
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113 if (debug) {
114 printf("\n");
115 } else {
116 printf(": %c", twiddlie[0]);
117 fflush(stdout);
118 }
119
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120 for (block = 0; block < fw->fw_blocks; block++) {
121 len = fw->fw[block][2] << 8;
122 len |= fw->fw[block][3];
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123
124 len += 4; /* block nr., length */
125
126 if (debug)
6c5c2df7 127 hexdump(fw->fw[block], len, "F> ");
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128
129 rdata.ack = 0;
6c5c2df7 130 if (!hmcfgusb_send(dev, fw->fw[block], len, 0)) {
19cb9745 131 perror("\n\nhmcfgusb_send");
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132 exit(EXIT_FAILURE);
133 }
134
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135 if (debug)
136 printf("Waiting for ack...\n");
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137 do {
138 errno = 0;
139 pfd = hmcfgusb_poll(dev, 1);
140 if ((pfd < 0) && errno) {
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141 if (errno != ETIMEDOUT) {
142 perror("\n\nhmcfgusb_poll");
143 exit(EXIT_FAILURE);
144 }
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145 }
146 if (rdata.ack) {
147 break;
148 }
149 } while (pfd < 0);
150
151 if (rdata.ack == 2) {
19cb9745 152 printf("\n\nFirmware update successfull!\n");
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153 break;
154 }
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155
156 if (rdata.ack != 1) {
157 fprintf(stderr, "\n\nError flashing block %d, status: %u\n", block, rdata.ack);
158 exit(EXIT_FAILURE);
159 }
160
161 if (!debug) {
162 printf("\b%c", twiddlie[block % sizeof(twiddlie)]);
163 fflush(stdout);
164 }
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165 }
166
6c5c2df7 167 firmware_free(fw);
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168
169 hmcfgusb_close(dev);
170
171 return EXIT_SUCCESS;
172}
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