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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", | |
48 | /* 187/189 */ | |
49 | "9600/8n1", | |
50 | /* Scopemeter 190 series */ | |
51 | "1200/8n1", | |
52 | NULL | |
53 | }; | |
54 | ||
4f958423 | 55 | static const struct flukedmm_profile supported_flukedmm[] = { |
d4b11de0 | 56 | { FLUKE_187, "187", 100, 1000 }, |
0bc3ab92 | 57 | { FLUKE_189, "189", 100, 1000 }, |
d4b11de0 BV |
58 | { FLUKE_287, "287", 100, 1000 }, |
59 | { FLUKE_190, "199B", 1000, 3500 }, | |
ba4dfbde | 60 | { FLUKE_289, "289", 100, 1000 }, |
4f958423 BV |
61 | }; |
62 | ||
4f840ce9 ML |
63 | static GSList *fluke_scan(struct sr_dev_driver *di, const char *conn, |
64 | const char *serialcomm) | |
883a2e9e | 65 | { |
4f958423 | 66 | struct sr_dev_inst *sdi; |
4f958423 | 67 | struct dev_context *devc; |
58d03f03 | 68 | struct sr_serial_dev_inst *serial; |
41298320 | 69 | GSList *devices; |
58d03f03 | 70 | int retry, len, i, s; |
fb480d57 | 71 | char buf[128], *b, **tokens; |
883a2e9e | 72 | |
91219afc | 73 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
58d03f03 | 74 | |
50276118 | 75 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
4f958423 | 76 | return NULL; |
4f958423 | 77 | |
fb480d57 BV |
78 | b = buf; |
79 | retry = 0; | |
41298320 | 80 | devices = NULL; |
fb480d57 BV |
81 | /* We'll try the discovery sequence three times in case the device |
82 | * is not in an idle state when we send ID. */ | |
83 | while (!devices && retry < 3) { | |
84 | retry++; | |
58d03f03 | 85 | serial_flush(serial); |
20401400 | 86 | if (serial_write_blocking(serial, "ID\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) { |
50276118 | 87 | sr_err("Unable to send ID string"); |
fb480d57 BV |
88 | continue; |
89 | } | |
4f958423 | 90 | |
fb480d57 BV |
91 | /* Response is first a CMD_ACK byte (ASCII '0' for OK, |
92 | * or '1' to signify an error. */ | |
00ed77f2 | 93 | len = sizeof(buf); |
58d03f03 | 94 | serial_readline(serial, &b, &len, 150); |
fb480d57 BV |
95 | if (len != 1) |
96 | continue; | |
41298320 | 97 | if (buf[0] != '0') |
fb480d57 | 98 | continue; |
4f958423 | 99 | |
fb480d57 | 100 | /* If CMD_ACK was OK, ID string follows. */ |
00ed77f2 | 101 | len = sizeof(buf); |
9fa09680 | 102 | serial_readline(serial, &b, &len, 850); |
fb480d57 BV |
103 | if (len < 10) |
104 | continue; | |
9fa09680 BV |
105 | if (strcspn(buf, ",") < 15) |
106 | /* Looks like it's comma-separated. */ | |
107 | tokens = g_strsplit(buf, ",", 3); | |
108 | else | |
109 | /* Fluke 199B, at least, uses semicolon. */ | |
110 | tokens = g_strsplit(buf, ";", 3); | |
fb480d57 BV |
111 | if (!strncmp("FLUKE", tokens[0], 5) |
112 | && tokens[1] && tokens[2]) { | |
113 | for (i = 0; supported_flukedmm[i].model; i++) { | |
114 | if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6)) | |
115 | continue; | |
116 | /* Skip leading spaces in version number. */ | |
117 | for (s = 0; tokens[1][s] == ' '; s++); | |
aac29cc1 | 118 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
119 | sdi->status = SR_ST_INACTIVE; |
120 | sdi->vendor = g_strdup("Fluke"); | |
121 | sdi->model = g_strdup(tokens[0] + 6); | |
122 | sdi->version = g_strdup(tokens[1] + s); | |
f57d8ffe | 123 | devc = g_malloc0(sizeof(struct dev_context)); |
6aacf011 | 124 | sr_sw_limits_init(&devc->limits); |
fb480d57 | 125 | devc->profile = &supported_flukedmm[i]; |
771bd216 | 126 | sdi->inst_type = SR_INST_SERIAL; |
919681f0 | 127 | sdi->conn = serial; |
fb480d57 | 128 | sdi->priv = devc; |
5e23fcab | 129 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); |
fb480d57 BV |
130 | devices = g_slist_append(devices, sdi); |
131 | break; | |
4f958423 | 132 | } |
4f958423 | 133 | } |
fb480d57 | 134 | g_strfreev(tokens); |
9fa09680 BV |
135 | if (devices) |
136 | /* Found one. */ | |
137 | break; | |
4f958423 | 138 | } |
58d03f03 BV |
139 | serial_close(serial); |
140 | if (!devices) | |
141 | sr_serial_dev_inst_free(serial); | |
883a2e9e | 142 | |
15a5bfe4 | 143 | return std_scan_complete(di, devices); |
883a2e9e BV |
144 | } |
145 | ||
4f840ce9 | 146 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
41298320 | 147 | { |
1987b8d6 | 148 | struct sr_config *src; |
41298320 | 149 | GSList *l, *devices; |
9fa09680 | 150 | int i; |
41298320 BV |
151 | const char *conn, *serialcomm; |
152 | ||
153 | conn = serialcomm = NULL; | |
154 | for (l = options; l; l = l->next) { | |
1987b8d6 BV |
155 | src = l->data; |
156 | switch (src->key) { | |
1953564a | 157 | case SR_CONF_CONN: |
70424328 | 158 | conn = g_variant_get_string(src->data, NULL); |
41298320 | 159 | break; |
1953564a | 160 | case SR_CONF_SERIALCOMM: |
70424328 | 161 | serialcomm = g_variant_get_string(src->data, NULL); |
41298320 BV |
162 | break; |
163 | } | |
164 | } | |
165 | if (!conn) | |
166 | return NULL; | |
167 | ||
f4d0020e | 168 | devices = NULL; |
41298320 BV |
169 | if (serialcomm) { |
170 | /* Use the provided comm specs. */ | |
4f840ce9 | 171 | devices = fluke_scan(di, conn, serialcomm); |
41298320 | 172 | } else { |
9fa09680 | 173 | for (i = 0; scan_conn[i]; i++) { |
4f840ce9 | 174 | if ((devices = fluke_scan(di, conn, scan_conn[i]))) |
9fa09680 BV |
175 | break; |
176 | /* The Scopemeter 199B, at least, requires this | |
177 | * after all the 115k/9.6k confusion. */ | |
1a46cc62 | 178 | g_usleep(5 * 1000); |
9fa09680 | 179 | } |
41298320 BV |
180 | } |
181 | ||
182 | return devices; | |
183 | } | |
184 | ||
dd7a72ea UH |
185 | static int config_set(uint32_t key, GVariant *data, |
186 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
883a2e9e | 187 | { |
d3f8f141 | 188 | struct dev_context *devc; |
883a2e9e | 189 | |
53b4680f | 190 | (void)cg; |
8f996b89 | 191 | |
b0baddef | 192 | devc = sdi->priv; |
d3f8f141 | 193 | |
6aacf011 | 194 | return sr_sw_limits_config_set(&devc->limits, key, data); |
883a2e9e BV |
195 | } |
196 | ||
dd7a72ea UH |
197 | static int config_list(uint32_t key, GVariant **data, |
198 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1c743fc | 199 | { |
05199c0a | 200 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
a1c743fc BV |
201 | } |
202 | ||
695dc859 | 203 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
883a2e9e | 204 | { |
d3f8f141 | 205 | struct dev_context *devc; |
919681f0 | 206 | struct sr_serial_dev_inst *serial; |
d3f8f141 | 207 | |
208c1d35 | 208 | devc = sdi->priv; |
d3f8f141 | 209 | |
6aacf011 | 210 | sr_sw_limits_acquisition_start(&devc->limits); |
bee2b016 | 211 | std_session_send_df_header(sdi); |
883a2e9e | 212 | |
919681f0 | 213 | serial = sdi->conn; |
102f1239 BV |
214 | serial_source_add(sdi->session, serial, G_IO_IN, 50, |
215 | fluke_receive_data, (void *)sdi); | |
d38d2ef0 | 216 | |
20401400 | 217 | if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) { |
50276118 | 218 | sr_err("Unable to send QM."); |
d38d2ef0 BV |
219 | return SR_ERR; |
220 | } | |
221 | devc->cmd_sent_at = g_get_monotonic_time() / 1000; | |
222 | devc->expect_response = TRUE; | |
883a2e9e BV |
223 | |
224 | return SR_OK; | |
225 | } | |
226 | ||
dd5c48a6 | 227 | static struct sr_dev_driver flukedmm_driver_info = { |
883a2e9e BV |
228 | .name = "fluke-dmm", |
229 | .longname = "Fluke 18x/28x series DMMs", | |
230 | .api_version = 1, | |
c2fdcc25 | 231 | .init = std_init, |
700d6b64 | 232 | .cleanup = std_cleanup, |
6078d2c9 | 233 | .scan = scan, |
c01bf34c | 234 | .dev_list = std_dev_list, |
f778bf02 | 235 | .dev_clear = std_dev_clear, |
6fab7b8f | 236 | .config_get = NULL, |
035a1078 | 237 | .config_set = config_set, |
a1c743fc | 238 | .config_list = config_list, |
854434de | 239 | .dev_open = std_serial_dev_open, |
bf2c987f | 240 | .dev_close = std_serial_dev_close, |
6078d2c9 | 241 | .dev_acquisition_start = dev_acquisition_start, |
4b1a9d5d | 242 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, |
41812aca | 243 | .context = NULL, |
883a2e9e | 244 | }; |
dd5c48a6 | 245 | SR_REGISTER_DEV_DRIVER(flukedmm_driver_info); |