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bfd48770 MH |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Matthias Heidbrink <m-sigrok@heidbrink.biz> | |
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> |
bfd48770 MH |
21 | #include "protocol.h" |
22 | ||
a0e0bb41 | 23 | static const uint32_t scanopts[] = { |
f8e76e2e MH |
24 | SR_CONF_CONN, |
25 | SR_CONF_SERIALCOMM, | |
26 | }; | |
27 | ||
05199c0a | 28 | static const uint32_t drvopts[] = { |
f8e76e2e | 29 | SR_CONF_MULTIMETER, |
05199c0a UH |
30 | }; |
31 | ||
32 | static const uint32_t devopts[] = { | |
f8e76e2e | 33 | SR_CONF_CONTINUOUS, |
5827f61b BV |
34 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, |
35 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
f8e76e2e MH |
36 | }; |
37 | ||
e790bd5c | 38 | #define BUF_MAX 50 |
f8e76e2e MH |
39 | |
40 | #define SERIALCOMM "4800/8n1/dtr=1/rts=0/flow=1" | |
41 | ||
dd5c48a6 LPC |
42 | static struct sr_dev_driver norma_dmm_driver_info; |
43 | static struct sr_dev_driver siemens_b102x_driver_info; | |
bfd48770 | 44 | |
c442ffda | 45 | static const char *get_brandstr(struct sr_dev_driver *drv) |
bfd48770 | 46 | { |
0cadb8a3 | 47 | return (drv == &norma_dmm_driver_info) ? "Norma" : "Siemens"; |
bfd48770 MH |
48 | } |
49 | ||
c442ffda | 50 | static const char *get_typestr(int type, struct sr_dev_driver *drv) |
49c06128 | 51 | { |
c442ffda | 52 | static const char *nameref[5][2] = { |
49c06128 MH |
53 | {"DM910", "B1024"}, |
54 | {"DM920", "B1025"}, | |
55 | {"DM930", "B1026"}, | |
56 | {"DM940", "B1027"}, | |
0cadb8a3 UH |
57 | {"DM950", "B1028"}, |
58 | }; | |
49c06128 MH |
59 | |
60 | if ((type < 1) || (type > 5)) | |
61 | return "Unknown type!"; | |
62 | ||
0cadb8a3 | 63 | return nameref[type - 1][(drv == &siemens_b102x_driver_info)]; |
49c06128 MH |
64 | } |
65 | ||
c442ffda | 66 | static GSList *scan(struct sr_dev_driver *drv, GSList *options) |
bfd48770 | 67 | { |
f8e76e2e | 68 | struct sr_dev_inst *sdi; |
f8e76e2e MH |
69 | struct dev_context *devc; |
70 | struct sr_config *src; | |
f8e76e2e MH |
71 | struct sr_serial_dev_inst *serial; |
72 | GSList *l, *devices; | |
0cadb8a3 | 73 | int len, cnt, auxtype; |
f8e76e2e MH |
74 | const char *conn, *serialcomm; |
75 | char *buf; | |
f8e76e2e | 76 | char req[10]; |
f8e76e2e | 77 | |
bfd48770 | 78 | devices = NULL; |
f8e76e2e MH |
79 | conn = serialcomm = NULL; |
80 | ||
81 | for (l = options; l; l = l->next) { | |
82 | src = l->data; | |
83 | switch (src->key) { | |
84 | case SR_CONF_CONN: | |
85 | conn = g_variant_get_string(src->data, NULL); | |
86 | break; | |
87 | case SR_CONF_SERIALCOMM: | |
88 | serialcomm = g_variant_get_string(src->data, NULL); | |
89 | break; | |
90 | } | |
91 | } | |
92 | if (!conn) | |
93 | return NULL; | |
94 | if (!serialcomm) | |
95 | serialcomm = SERIALCOMM; | |
96 | ||
91219afc | 97 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
f8e76e2e | 98 | |
d12ef776 | 99 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
f8e76e2e MH |
100 | return NULL; |
101 | ||
102 | serial_flush(serial); | |
bfd48770 | 103 | |
a95f142e | 104 | buf = g_malloc(BUF_MAX); |
f8e76e2e MH |
105 | |
106 | snprintf(req, sizeof(req), "%s\r\n", | |
e790bd5c | 107 | nmadmm_requests[NMADMM_REQ_IDN].req_str); |
a4e435eb | 108 | g_usleep(150 * 1000); /* Wait a little to allow serial port to settle. */ |
f8e76e2e | 109 | for (cnt = 0; cnt < 7; cnt++) { |
d545c81c UH |
110 | if (serial_write_blocking(serial, req, strlen(req), |
111 | serial_timeout(serial, strlen(req))) < 0) { | |
8849f45a | 112 | sr_err("Unable to send identification request."); |
f8e76e2e MH |
113 | return NULL; |
114 | } | |
115 | len = BUF_MAX; | |
a4e435eb | 116 | serial_readline(serial, &buf, &len, NMADMM_TIMEOUT_MS); |
f8e76e2e MH |
117 | if (!len) |
118 | continue; | |
e790bd5c | 119 | buf[BUF_MAX - 1] = '\0'; |
f8e76e2e | 120 | |
0cadb8a3 | 121 | /* Match ID string, e.g. "1834 065 V1.06,IF V1.02" (DM950). */ |
e790bd5c | 122 | if (g_regex_match_simple("^1834 [^,]*,IF V*", (char *)buf, 0, 0)) { |
f8e76e2e | 123 | auxtype = xgittoint(buf[7]); |
49c06128 | 124 | sr_spew("%s %s DMM %s detected!", get_brandstr(drv), get_typestr(auxtype, drv), buf + 9); |
f8e76e2e | 125 | |
aac29cc1 | 126 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
127 | sdi->status = SR_ST_INACTIVE; |
128 | sdi->vendor = g_strdup(get_brandstr(drv)); | |
129 | sdi->model = g_strdup(get_typestr(auxtype, drv)); | |
130 | sdi->version = g_strdup(buf + 9); | |
f57d8ffe | 131 | devc = g_malloc0(sizeof(struct dev_context)); |
37dbffd1 | 132 | sr_sw_limits_init(&devc->limits); |
f8e76e2e | 133 | devc->type = auxtype; |
f8e76e2e MH |
134 | sdi->conn = serial; |
135 | sdi->priv = devc; | |
5e23fcab | 136 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); |
f8e76e2e MH |
137 | devices = g_slist_append(devices, sdi); |
138 | break; | |
139 | } | |
e790bd5c UH |
140 | |
141 | /* | |
142 | * The interface of the DM9x0 contains a cap that needs to | |
143 | * charge for up to 10s before the interface works, if not | |
144 | * powered externally. Therefore wait a little to improve | |
145 | * chances. | |
146 | */ | |
f8e76e2e MH |
147 | if (cnt == 3) { |
148 | sr_info("Waiting 5s to allow interface to settle."); | |
149 | g_usleep(5 * 1000 * 1000); | |
150 | } | |
151 | } | |
152 | ||
153 | g_free(buf); | |
154 | ||
155 | serial_close(serial); | |
156 | if (!devices) | |
157 | sr_serial_dev_inst_free(serial); | |
bfd48770 | 158 | |
15a5bfe4 | 159 | return std_scan_complete(drv, devices); |
bfd48770 MH |
160 | } |
161 | ||
dd7a72ea UH |
162 | static int config_set(uint32_t key, GVariant *data, |
163 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
bfd48770 | 164 | { |
f8e76e2e | 165 | struct dev_context *devc; |
bfd48770 | 166 | |
53b4680f | 167 | (void)cg; |
d3c74a6f | 168 | |
b0baddef | 169 | devc = sdi->priv; |
f8e76e2e | 170 | |
37dbffd1 | 171 | return sr_sw_limits_config_set(&devc->limits, key, data); |
bfd48770 MH |
172 | } |
173 | ||
dd7a72ea UH |
174 | static int config_list(uint32_t key, GVariant **data, |
175 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
bfd48770 | 176 | { |
05199c0a | 177 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
bfd48770 MH |
178 | } |
179 | ||
695dc859 | 180 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
bfd48770 | 181 | { |
f8e76e2e MH |
182 | struct dev_context *devc; |
183 | struct sr_serial_dev_inst *serial; | |
184 | ||
208c1d35 | 185 | devc = sdi->priv; |
f8e76e2e | 186 | |
37dbffd1 | 187 | sr_sw_limits_acquisition_start(&devc->limits); |
bee2b016 | 188 | std_session_send_df_header(sdi); |
f8e76e2e | 189 | |
f8e76e2e | 190 | serial = sdi->conn; |
102f1239 BV |
191 | serial_source_add(sdi->session, serial, G_IO_IN, 100, |
192 | norma_dmm_receive_data, (void *)sdi); | |
bfd48770 MH |
193 | |
194 | return SR_OK; | |
195 | } | |
196 | ||
dd5c48a6 | 197 | static struct sr_dev_driver norma_dmm_driver_info = { |
bfd48770 | 198 | .name = "norma-dmm", |
49c06128 MH |
199 | .longname = "Norma DM9x0 DMMs", |
200 | .api_version = 1, | |
c2fdcc25 | 201 | .init = std_init, |
700d6b64 | 202 | .cleanup = std_cleanup, |
4f840ce9 | 203 | .scan = scan, |
c01bf34c | 204 | .dev_list = std_dev_list, |
f778bf02 | 205 | .dev_clear = std_dev_clear, |
49c06128 MH |
206 | .config_get = NULL, |
207 | .config_set = config_set, | |
208 | .config_list = config_list, | |
209 | .dev_open = std_serial_dev_open, | |
eabfed20 | 210 | .dev_close = std_serial_dev_close, |
49c06128 | 211 | .dev_acquisition_start = dev_acquisition_start, |
4b1a9d5d | 212 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, |
41812aca | 213 | .context = NULL, |
49c06128 | 214 | }; |
dd5c48a6 | 215 | SR_REGISTER_DEV_DRIVER(norma_dmm_driver_info); |
49c06128 | 216 | |
dd5c48a6 | 217 | static struct sr_dev_driver siemens_b102x_driver_info = { |
49c06128 MH |
218 | .name = "siemens-b102x", |
219 | .longname = "Siemens B102x DMMs", | |
bfd48770 | 220 | .api_version = 1, |
c2fdcc25 | 221 | .init = std_init, |
700d6b64 | 222 | .cleanup = std_cleanup, |
4f840ce9 | 223 | .scan = scan, |
c01bf34c | 224 | .dev_list = std_dev_list, |
f778bf02 | 225 | .dev_clear = std_dev_clear, |
f8e76e2e | 226 | .config_get = NULL, |
bfd48770 MH |
227 | .config_set = config_set, |
228 | .config_list = config_list, | |
854434de | 229 | .dev_open = std_serial_dev_open, |
eabfed20 | 230 | .dev_close = std_serial_dev_close, |
bfd48770 | 231 | .dev_acquisition_start = dev_acquisition_start, |
4b1a9d5d | 232 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, |
41812aca | 233 | .context = NULL, |
bfd48770 | 234 | }; |
dd5c48a6 | 235 | SR_REGISTER_DEV_DRIVER(siemens_b102x_driver_info); |