Holger Hans Peter Freyther | ae73a05 | 2013-05-31 09:51:53 +0200 | [diff] [blame] | 1 | #include "framing.h" |
Holger Hans Peter Freyther | 93b625b | 2013-05-31 09:52:26 +0200 | [diff] [blame] | 2 | #include "protocol.h" |
Holger Hans Peter Freyther | ae73a05 | 2013-05-31 09:51:53 +0200 | [diff] [blame] | 3 | #include "serial.h" |
| 4 | |
| 5 | #include <stdlib.h> |
Holger Hans Peter Freyther | 93b625b | 2013-05-31 09:52:26 +0200 | [diff] [blame] | 6 | #include <stddef.h> |
Holger Hans Peter Freyther | ae73a05 | 2013-05-31 09:51:53 +0200 | [diff] [blame] | 7 | #include <stdio.h> |
| 8 | #include <string.h> |
Holger Hans Peter Freyther | 93b625b | 2013-05-31 09:52:26 +0200 | [diff] [blame] | 9 | #include <time.h> |
Holger Hans Peter Freyther | ae73a05 | 2013-05-31 09:51:53 +0200 | [diff] [blame] | 10 | |
| 11 | #include <sys/stat.h> |
| 12 | #include <fcntl.h> |
| 13 | #include <unistd.h> |
| 14 | #include <errno.h> |
| 15 | |
| 16 | char *DumpBYTEs(unsigned char *p, long n, int nBytesPerRow /* = 16 */, char *szLineSep /* = "\n" */, int bRaw /* = FALSE */, const char *szIndent /* = "" */) |
| 17 | { |
| 18 | long i; |
| 19 | char szBuf[20]; |
| 20 | static char szRes[4 * 1024]; |
| 21 | |
| 22 | szRes[0] = 0; |
| 23 | |
| 24 | if(n == 0) |
| 25 | return szRes; |
| 26 | |
| 27 | memset(szBuf, 0, sizeof(szBuf)); |
| 28 | for(i = 0; i < n; i++) |
| 29 | { |
| 30 | if(i % nBytesPerRow == 0) |
| 31 | { |
| 32 | strcat(szRes, szIndent); |
| 33 | if(!bRaw) |
| 34 | sprintf(szRes + strlen(szRes), "%04d : ", i); |
| 35 | } |
| 36 | |
| 37 | sprintf(szRes + strlen(szRes), "%02X ", p[i]); |
| 38 | szBuf[i % nBytesPerRow] = (char)((p[i] < 128 && p[i] >= ' ') ? p[i] : '.'); |
| 39 | |
| 40 | if((i + 1) % nBytesPerRow == 0) |
| 41 | { |
| 42 | if(bRaw) |
| 43 | sprintf(szRes + strlen(szRes), "%s", szLineSep); |
| 44 | else |
| 45 | sprintf(szRes + strlen(szRes), " %s%s", szBuf, szLineSep); |
| 46 | memset(szBuf, 0, sizeof(szBuf)); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | if(i % nBytesPerRow != 0) |
| 51 | { |
| 52 | if(bRaw) |
| 53 | sprintf(szRes + strlen(szRes), "%s", szLineSep); |
| 54 | else |
| 55 | { |
| 56 | n = nBytesPerRow - i % nBytesPerRow; |
| 57 | for(i = 0; i < n ; i++) |
| 58 | sprintf(szRes + strlen(szRes), " "); |
| 59 | sprintf(szRes + strlen(szRes), " %s%s", szBuf, szLineSep); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | return szRes; |
| 64 | } |
| 65 | |
| 66 | static int transmit_packet(int fd, const uint8_t *data, size_t data_len) |
| 67 | { |
| 68 | int out_len, rc; |
| 69 | uint8_t packet[MAX_PACKET * 2]; |
| 70 | |
| 71 | out_len = frame_pack(data, data_len, packet, sizeof(packet)); |
| 72 | if (out_len < 0) { |
| 73 | printf("Failed to pack packet\n"); |
| 74 | return -1; |
| 75 | } |
| 76 | |
| 77 | rc = write(fd, packet, out_len); |
| 78 | if (rc != out_len) { |
| 79 | printf("Short write on packet.\n"); |
| 80 | return -1; |
| 81 | } |
| 82 | |
| 83 | return 0; |
| 84 | } |
| 85 | |
Holger Hans Peter Freyther | 93b625b | 2013-05-31 09:52:26 +0200 | [diff] [blame] | 86 | static int dump_log(const uint8_t *data, const size_t len) |
| 87 | { |
| 88 | size_t i, file_len; |
| 89 | size_t params = 0; |
| 90 | const struct ext_log_msg *msg; |
| 91 | const char *file = NULL, *log; |
| 92 | struct tm *tm; |
| 93 | time_t now; |
| 94 | const size_t str_len = len - offsetof(struct ext_log_msg, data); |
| 95 | |
| 96 | time(&now); |
| 97 | tm = localtime(&now); |
| 98 | |
| 99 | if (len < sizeof(struct ext_log_msg)) { |
| 100 | printf("too short log message.\n"); |
| 101 | return -1; |
| 102 | } |
| 103 | |
| 104 | msg = (struct ext_log_msg *) data; |
| 105 | log = (const char *) msg->data; |
| 106 | |
| 107 | /* |
| 108 | * Check if it is null terminated and how many parameters it |
| 109 | * might have. This counts all '%' but doesn't take '%%' into |
| 110 | * account. |
| 111 | */ |
| 112 | for (i = 0; i < str_len; ++i) { |
| 113 | if (log[i] == '%') |
| 114 | params += 1; |
| 115 | else if (log[i] == '\0' && i + 1 < str_len) { |
| 116 | file = &log[i + 1]; |
| 117 | file_len = str_len - i - 1; |
| 118 | break; |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | if (file_len == 0 || file[file_len - 1] != '\0') { |
| 123 | printf("File too short or not null terminated\n"); |
| 124 | return -2; |
| 125 | } |
| 126 | |
| 127 | if (params > 3) { |
| 128 | printf("Too many parameters in the log message.\n"); |
| 129 | return -1; |
| 130 | } |
| 131 | |
| 132 | if (!file) { |
| 133 | printf("The file is not present..\n"); |
| 134 | return -2; |
| 135 | } |
| 136 | |
Holger Hans Peter Freyther | 3b4e2e5 | 2013-05-31 09:53:59 +0200 | [diff] [blame^] | 137 | printf("%.2d:%.2d:%.2d %-20s: ", |
Holger Hans Peter Freyther | 93b625b | 2013-05-31 09:52:26 +0200 | [diff] [blame] | 138 | tm->tm_hour, tm->tm_min, tm->tm_sec, |
| 139 | file); |
| 140 | printf(log, msg->params[0], msg->params[1], msg->params[2]); |
| 141 | printf("\n"); |
| 142 | return 0; |
| 143 | } |
| 144 | |
Holger Hans Peter Freyther | ae73a05 | 2013-05-31 09:51:53 +0200 | [diff] [blame] | 145 | static int do_read(int fd, uint8_t *data) |
| 146 | { |
| 147 | uint8_t buf[MAX_PACKET]; |
| 148 | int rc; |
| 149 | |
| 150 | rc = read(fd, buf, sizeof(buf)); |
| 151 | if (rc <= 0 ) { |
| 152 | printf("Short read!\n"); |
| 153 | exit(EXIT_FAILURE); |
| 154 | } |
| 155 | |
| 156 | rc = frame_unpack(buf, rc, data); |
Holger Hans Peter Freyther | 93b625b | 2013-05-31 09:52:26 +0200 | [diff] [blame] | 157 | if (rc <= 0) |
| 158 | return 0; |
| 159 | |
| 160 | |
| 161 | switch (data[0]) { |
| 162 | case 0x79: |
| 163 | dump_log(data, rc); |
| 164 | break; |
| 165 | default: |
Holger Hans Peter Freyther | ae73a05 | 2013-05-31 09:51:53 +0200 | [diff] [blame] | 166 | printf("Got %d data of payload\n", rc); |
| 167 | printf("%s\n", DumpBYTEs(data, rc, 16, "\n", 0, "")); |
Holger Hans Peter Freyther | 93b625b | 2013-05-31 09:52:26 +0200 | [diff] [blame] | 168 | break; |
| 169 | }; |
Holger Hans Peter Freyther | ae73a05 | 2013-05-31 09:51:53 +0200 | [diff] [blame] | 170 | |
| 171 | return rc; |
| 172 | } |
| 173 | |
| 174 | static void do_configure(int fd) |
| 175 | { |
| 176 | static uint8_t timestamp[] = { 0x1D }; |
| 177 | static uint8_t enable_logging[] = { |
| 178 | 0x73, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, |
| 179 | 0x05, 0x00, 0x00, 0x00, 0x28, 0x04, 0x00, 0x00, |
| 180 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 181 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 182 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 183 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 184 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, |
| 185 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 186 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 187 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 188 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x02, 0x00, |
| 189 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 190 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 191 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 192 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 193 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 194 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 195 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 196 | 0x00, 0x00, 0x00, 0x00, 0x00 |
| 197 | }; |
Holger Hans Peter Freyther | 93b625b | 2013-05-31 09:52:26 +0200 | [diff] [blame] | 198 | #if 0 |
Holger Hans Peter Freyther | ae73a05 | 2013-05-31 09:51:53 +0200 | [diff] [blame] | 199 | static const uint8_t enable_evt_report[] = { |
| 200 | 0x60, 0x01 |
| 201 | }; |
Holger Hans Peter Freyther | 93b625b | 2013-05-31 09:52:26 +0200 | [diff] [blame] | 202 | #endif |
Holger Hans Peter Freyther | ae73a05 | 2013-05-31 09:51:53 +0200 | [diff] [blame] | 203 | static const uint8_t disable_evt_report[] = { |
| 204 | 0x60, 0x00 |
| 205 | }; |
| 206 | static const uint8_t extended_report_cfg[] = { |
| 207 | 0x7D, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 208 | 0x02, 0x00, 0x00, 0x00, |
| 209 | }; |
| 210 | |
| 211 | uint8_t data[MAX_PACKET]; |
| 212 | |
| 213 | /* TODO: introduce a wait for response kind of method */ |
| 214 | transmit_packet(fd, timestamp, sizeof(timestamp)); |
| 215 | do_read(fd, data); |
| 216 | |
Holger Hans Peter Freyther | 93b625b | 2013-05-31 09:52:26 +0200 | [diff] [blame] | 217 | /* enable|disable the event report */ |
| 218 | #if 0 |
| 219 | transmit_packet(fd, enable_evt_report, sizeof(enable_evt_report)); |
| 220 | do_read(fd, data); |
| 221 | #endif |
Holger Hans Peter Freyther | ae73a05 | 2013-05-31 09:51:53 +0200 | [diff] [blame] | 222 | transmit_packet(fd, disable_evt_report, sizeof(disable_evt_report)); |
| 223 | do_read(fd, data); |
| 224 | |
| 225 | transmit_packet(fd, extended_report_cfg, sizeof(extended_report_cfg)); |
| 226 | do_read(fd, data); |
| 227 | |
| 228 | /* enable the logging */ |
| 229 | transmit_packet(fd, enable_logging, sizeof(enable_logging)); |
| 230 | do_read(fd, data); |
| 231 | } |
| 232 | |
| 233 | int main(int argc, char **argv) |
| 234 | { |
| 235 | uint8_t data[MAX_PACKET]; |
| 236 | int flags; |
| 237 | |
| 238 | int fd, rc; |
| 239 | if (argc < 2) { |
| 240 | printf("Invoke with %s PATH_TO_SERIAL\n", |
| 241 | argv[0]); |
| 242 | return EXIT_FAILURE; |
| 243 | } |
| 244 | |
| 245 | /* Use nonblock as the device might block otherwise */ |
| 246 | fd = open(argv[1], O_RDWR | O_NOCTTY | O_SYNC | O_NONBLOCK); |
| 247 | if (fd < 0) { |
| 248 | printf("Opening the serial failed: %d/%s\n", |
| 249 | errno, strerror(errno)); |
| 250 | return EXIT_FAILURE; |
| 251 | } |
| 252 | |
| 253 | flags = fcntl(fd, F_GETFL, 0); |
| 254 | if (flags < 0) { |
| 255 | printf("Failed to get the flags.\n"); |
| 256 | return EXIT_FAILURE; |
| 257 | } |
| 258 | |
| 259 | flags &= ~O_NONBLOCK; |
| 260 | rc = fcntl(fd, F_SETFL, flags); |
| 261 | if (rc != 0) { |
| 262 | printf("Failed to set the flags.\n"); |
| 263 | return EXIT_FAILURE; |
| 264 | } |
| 265 | |
| 266 | rc = serial_configure(fd); |
| 267 | if (rc != 0) |
| 268 | return EXIT_FAILURE; |
| 269 | |
| 270 | do_configure(fd); |
| 271 | |
| 272 | while (1) |
| 273 | do_read(fd, data); |
| 274 | } |