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883a2e9e | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
883a2e9e BV |
3 | * |
4 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
6ec6c43b | 20 | #include <config.h> |
883a2e9e | 21 | #include <glib.h> |
4f958423 BV |
22 | #include <sys/types.h> |
23 | #include <sys/stat.h> | |
24 | #include <fcntl.h> | |
25 | #include <string.h> | |
c1aae900 | 26 | #include <libsigrok/libsigrok.h> |
6f22a8ef | 27 | #include "libsigrok-internal.h" |
2cb232a9 | 28 | #include "protocol.h" |
883a2e9e | 29 | |
a0e0bb41 | 30 | static const uint32_t scanopts[] = { |
1953564a BV |
31 | SR_CONF_CONN, |
32 | SR_CONF_SERIALCOMM, | |
d3f8f141 BV |
33 | }; |
34 | ||
05199c0a | 35 | static const uint32_t drvopts[] = { |
1953564a | 36 | SR_CONF_MULTIMETER, |
05199c0a UH |
37 | }; |
38 | ||
39 | static const uint32_t devopts[] = { | |
1953564a | 40 | SR_CONF_CONTINUOUS, |
5827f61b BV |
41 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, |
42 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
d3f8f141 BV |
43 | }; |
44 | ||
329733d9 | 45 | static const char *scan_conn[] = { |
9fa09680 BV |
46 | /* 287/289 */ |
47 | "115200/8n1", | |
e7f803f3 | 48 | /* 87/89/187/189 */ |
9fa09680 BV |
49 | "9600/8n1", |
50 | /* Scopemeter 190 series */ | |
51 | "1200/8n1", | |
52 | NULL | |
53 | }; | |
54 | ||
4f958423 | 55 | static const struct flukedmm_profile supported_flukedmm[] = { |
e7f803f3 MP |
56 | { FLUKE_87, "87", 100, 1000 }, |
57 | { FLUKE_89, "89", 100, 1000 }, | |
d4b11de0 | 58 | { FLUKE_187, "187", 100, 1000 }, |
0bc3ab92 | 59 | { FLUKE_189, "189", 100, 1000 }, |
d4b11de0 BV |
60 | { FLUKE_287, "287", 100, 1000 }, |
61 | { FLUKE_190, "199B", 1000, 3500 }, | |
ba4dfbde | 62 | { FLUKE_289, "289", 100, 1000 }, |
4f958423 BV |
63 | }; |
64 | ||
4f840ce9 ML |
65 | static GSList *fluke_scan(struct sr_dev_driver *di, const char *conn, |
66 | const char *serialcomm) | |
883a2e9e | 67 | { |
4f958423 | 68 | struct sr_dev_inst *sdi; |
4f958423 | 69 | struct dev_context *devc; |
58d03f03 | 70 | struct sr_serial_dev_inst *serial; |
41298320 | 71 | GSList *devices; |
58d03f03 | 72 | int retry, len, i, s; |
fb480d57 | 73 | char buf[128], *b, **tokens; |
883a2e9e | 74 | |
91219afc | 75 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
58d03f03 | 76 | |
50276118 | 77 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
4f958423 | 78 | return NULL; |
4f958423 | 79 | |
fb480d57 BV |
80 | b = buf; |
81 | retry = 0; | |
41298320 | 82 | devices = NULL; |
fb480d57 BV |
83 | /* We'll try the discovery sequence three times in case the device |
84 | * is not in an idle state when we send ID. */ | |
85 | while (!devices && retry < 3) { | |
86 | retry++; | |
58d03f03 | 87 | serial_flush(serial); |
20401400 | 88 | if (serial_write_blocking(serial, "ID\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) { |
50276118 | 89 | sr_err("Unable to send ID string"); |
fb480d57 BV |
90 | continue; |
91 | } | |
4f958423 | 92 | |
fb480d57 BV |
93 | /* Response is first a CMD_ACK byte (ASCII '0' for OK, |
94 | * or '1' to signify an error. */ | |
00ed77f2 | 95 | len = sizeof(buf); |
58d03f03 | 96 | serial_readline(serial, &b, &len, 150); |
fb480d57 BV |
97 | if (len != 1) |
98 | continue; | |
41298320 | 99 | if (buf[0] != '0') |
fb480d57 | 100 | continue; |
4f958423 | 101 | |
fb480d57 | 102 | /* If CMD_ACK was OK, ID string follows. */ |
00ed77f2 | 103 | len = sizeof(buf); |
9fa09680 | 104 | serial_readline(serial, &b, &len, 850); |
fb480d57 BV |
105 | if (len < 10) |
106 | continue; | |
9fa09680 BV |
107 | if (strcspn(buf, ",") < 15) |
108 | /* Looks like it's comma-separated. */ | |
109 | tokens = g_strsplit(buf, ",", 3); | |
110 | else | |
111 | /* Fluke 199B, at least, uses semicolon. */ | |
112 | tokens = g_strsplit(buf, ";", 3); | |
fb480d57 BV |
113 | if (!strncmp("FLUKE", tokens[0], 5) |
114 | && tokens[1] && tokens[2]) { | |
115 | for (i = 0; supported_flukedmm[i].model; i++) { | |
116 | if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6)) | |
117 | continue; | |
118 | /* Skip leading spaces in version number. */ | |
119 | for (s = 0; tokens[1][s] == ' '; s++); | |
aac29cc1 | 120 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
121 | sdi->status = SR_ST_INACTIVE; |
122 | sdi->vendor = g_strdup("Fluke"); | |
123 | sdi->model = g_strdup(tokens[0] + 6); | |
124 | sdi->version = g_strdup(tokens[1] + s); | |
f57d8ffe | 125 | devc = g_malloc0(sizeof(struct dev_context)); |
6aacf011 | 126 | sr_sw_limits_init(&devc->limits); |
fb480d57 | 127 | devc->profile = &supported_flukedmm[i]; |
771bd216 | 128 | sdi->inst_type = SR_INST_SERIAL; |
919681f0 | 129 | sdi->conn = serial; |
fb480d57 | 130 | sdi->priv = devc; |
5e23fcab | 131 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); |
fb480d57 BV |
132 | devices = g_slist_append(devices, sdi); |
133 | break; | |
4f958423 | 134 | } |
4f958423 | 135 | } |
fb480d57 | 136 | g_strfreev(tokens); |
9fa09680 BV |
137 | if (devices) |
138 | /* Found one. */ | |
139 | break; | |
4f958423 | 140 | } |
58d03f03 BV |
141 | serial_close(serial); |
142 | if (!devices) | |
143 | sr_serial_dev_inst_free(serial); | |
883a2e9e | 144 | |
15a5bfe4 | 145 | return std_scan_complete(di, devices); |
883a2e9e BV |
146 | } |
147 | ||
4f840ce9 | 148 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
41298320 | 149 | { |
1987b8d6 | 150 | struct sr_config *src; |
41298320 | 151 | GSList *l, *devices; |
9fa09680 | 152 | int i; |
41298320 BV |
153 | const char *conn, *serialcomm; |
154 | ||
155 | conn = serialcomm = NULL; | |
156 | for (l = options; l; l = l->next) { | |
1987b8d6 BV |
157 | src = l->data; |
158 | switch (src->key) { | |
1953564a | 159 | case SR_CONF_CONN: |
70424328 | 160 | conn = g_variant_get_string(src->data, NULL); |
41298320 | 161 | break; |
1953564a | 162 | case SR_CONF_SERIALCOMM: |
70424328 | 163 | serialcomm = g_variant_get_string(src->data, NULL); |
41298320 BV |
164 | break; |
165 | } | |
166 | } | |
167 | if (!conn) | |
168 | return NULL; | |
169 | ||
f4d0020e | 170 | devices = NULL; |
41298320 BV |
171 | if (serialcomm) { |
172 | /* Use the provided comm specs. */ | |
4f840ce9 | 173 | devices = fluke_scan(di, conn, serialcomm); |
41298320 | 174 | } else { |
9fa09680 | 175 | for (i = 0; scan_conn[i]; i++) { |
4f840ce9 | 176 | if ((devices = fluke_scan(di, conn, scan_conn[i]))) |
9fa09680 BV |
177 | break; |
178 | /* The Scopemeter 199B, at least, requires this | |
179 | * after all the 115k/9.6k confusion. */ | |
1a46cc62 | 180 | g_usleep(5 * 1000); |
9fa09680 | 181 | } |
41298320 BV |
182 | } |
183 | ||
184 | return devices; | |
185 | } | |
186 | ||
dd7a72ea UH |
187 | static int config_set(uint32_t key, GVariant *data, |
188 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
883a2e9e | 189 | { |
d3f8f141 | 190 | struct dev_context *devc; |
883a2e9e | 191 | |
53b4680f | 192 | (void)cg; |
8f996b89 | 193 | |
b0baddef | 194 | devc = sdi->priv; |
d3f8f141 | 195 | |
6aacf011 | 196 | return sr_sw_limits_config_set(&devc->limits, key, data); |
883a2e9e BV |
197 | } |
198 | ||
dd7a72ea UH |
199 | static int config_list(uint32_t key, GVariant **data, |
200 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1c743fc | 201 | { |
05199c0a | 202 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
a1c743fc BV |
203 | } |
204 | ||
695dc859 | 205 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
883a2e9e | 206 | { |
d3f8f141 | 207 | struct dev_context *devc; |
919681f0 | 208 | struct sr_serial_dev_inst *serial; |
d3f8f141 | 209 | |
208c1d35 | 210 | devc = sdi->priv; |
d3f8f141 | 211 | |
6aacf011 | 212 | sr_sw_limits_acquisition_start(&devc->limits); |
bee2b016 | 213 | std_session_send_df_header(sdi); |
883a2e9e | 214 | |
919681f0 | 215 | serial = sdi->conn; |
102f1239 BV |
216 | serial_source_add(sdi->session, serial, G_IO_IN, 50, |
217 | fluke_receive_data, (void *)sdi); | |
d38d2ef0 | 218 | |
20401400 | 219 | if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) { |
50276118 | 220 | sr_err("Unable to send QM."); |
d38d2ef0 BV |
221 | return SR_ERR; |
222 | } | |
223 | devc->cmd_sent_at = g_get_monotonic_time() / 1000; | |
224 | devc->expect_response = TRUE; | |
883a2e9e BV |
225 | |
226 | return SR_OK; | |
227 | } | |
228 | ||
dd5c48a6 | 229 | static struct sr_dev_driver flukedmm_driver_info = { |
883a2e9e | 230 | .name = "fluke-dmm", |
e7f803f3 | 231 | .longname = "Fluke 8x/18x/28x series DMMs", |
883a2e9e | 232 | .api_version = 1, |
c2fdcc25 | 233 | .init = std_init, |
700d6b64 | 234 | .cleanup = std_cleanup, |
6078d2c9 | 235 | .scan = scan, |
c01bf34c | 236 | .dev_list = std_dev_list, |
f778bf02 | 237 | .dev_clear = std_dev_clear, |
6fab7b8f | 238 | .config_get = NULL, |
035a1078 | 239 | .config_set = config_set, |
a1c743fc | 240 | .config_list = config_list, |
854434de | 241 | .dev_open = std_serial_dev_open, |
bf2c987f | 242 | .dev_close = std_serial_dev_close, |
6078d2c9 | 243 | .dev_acquisition_start = dev_acquisition_start, |
4b1a9d5d | 244 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, |
41812aca | 245 | .context = NULL, |
883a2e9e | 246 | }; |
dd5c48a6 | 247 | SR_REGISTER_DEV_DRIVER(flukedmm_driver_info); |