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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 | ||
a4e435eb MH |
20 | /** @file |
21 | * Norma DM9x0/Siemens B102x DMMs driver. | |
22 | * @internal | |
23 | */ | |
24 | ||
6ec6c43b | 25 | #include <config.h> |
bfd48770 MH |
26 | #include "protocol.h" |
27 | ||
a0e0bb41 | 28 | static const uint32_t scanopts[] = { |
f8e76e2e MH |
29 | SR_CONF_CONN, |
30 | SR_CONF_SERIALCOMM, | |
31 | }; | |
32 | ||
f254bc4b | 33 | static const uint32_t devopts[] = { |
f8e76e2e | 34 | SR_CONF_MULTIMETER, |
f8e76e2e | 35 | SR_CONF_CONTINUOUS, |
5827f61b BV |
36 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, |
37 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
f8e76e2e MH |
38 | }; |
39 | ||
e790bd5c | 40 | #define BUF_MAX 50 |
f8e76e2e MH |
41 | |
42 | #define SERIALCOMM "4800/8n1/dtr=1/rts=0/flow=1" | |
43 | ||
dd5c48a6 LPC |
44 | static struct sr_dev_driver norma_dmm_driver_info; |
45 | static struct sr_dev_driver siemens_b102x_driver_info; | |
bfd48770 | 46 | |
c442ffda | 47 | static const char *get_brandstr(struct sr_dev_driver *drv) |
bfd48770 | 48 | { |
0cadb8a3 | 49 | return (drv == &norma_dmm_driver_info) ? "Norma" : "Siemens"; |
bfd48770 MH |
50 | } |
51 | ||
c442ffda | 52 | static const char *get_typestr(int type, struct sr_dev_driver *drv) |
49c06128 | 53 | { |
c442ffda | 54 | static const char *nameref[5][2] = { |
49c06128 MH |
55 | {"DM910", "B1024"}, |
56 | {"DM920", "B1025"}, | |
57 | {"DM930", "B1026"}, | |
58 | {"DM940", "B1027"}, | |
0cadb8a3 UH |
59 | {"DM950", "B1028"}, |
60 | }; | |
49c06128 MH |
61 | |
62 | if ((type < 1) || (type > 5)) | |
63 | return "Unknown type!"; | |
64 | ||
0cadb8a3 | 65 | return nameref[type - 1][(drv == &siemens_b102x_driver_info)]; |
49c06128 MH |
66 | } |
67 | ||
c442ffda | 68 | static GSList *scan(struct sr_dev_driver *drv, GSList *options) |
bfd48770 | 69 | { |
f8e76e2e | 70 | struct sr_dev_inst *sdi; |
f8e76e2e MH |
71 | struct dev_context *devc; |
72 | struct sr_config *src; | |
f8e76e2e MH |
73 | struct sr_serial_dev_inst *serial; |
74 | GSList *l, *devices; | |
0cadb8a3 | 75 | int len, cnt, auxtype; |
f8e76e2e MH |
76 | const char *conn, *serialcomm; |
77 | char *buf; | |
f8e76e2e | 78 | char req[10]; |
f8e76e2e | 79 | |
bfd48770 | 80 | devices = NULL; |
f8e76e2e MH |
81 | conn = serialcomm = NULL; |
82 | ||
83 | for (l = options; l; l = l->next) { | |
84 | src = l->data; | |
85 | switch (src->key) { | |
86 | case SR_CONF_CONN: | |
87 | conn = g_variant_get_string(src->data, NULL); | |
88 | break; | |
89 | case SR_CONF_SERIALCOMM: | |
90 | serialcomm = g_variant_get_string(src->data, NULL); | |
91 | break; | |
92 | } | |
93 | } | |
94 | if (!conn) | |
95 | return NULL; | |
96 | if (!serialcomm) | |
97 | serialcomm = SERIALCOMM; | |
98 | ||
91219afc | 99 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
f8e76e2e | 100 | |
d12ef776 | 101 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
f8e76e2e MH |
102 | return NULL; |
103 | ||
104 | serial_flush(serial); | |
bfd48770 | 105 | |
a95f142e | 106 | buf = g_malloc(BUF_MAX); |
f8e76e2e MH |
107 | |
108 | snprintf(req, sizeof(req), "%s\r\n", | |
e790bd5c | 109 | nmadmm_requests[NMADMM_REQ_IDN].req_str); |
a4e435eb | 110 | g_usleep(150 * 1000); /* Wait a little to allow serial port to settle. */ |
f8e76e2e | 111 | for (cnt = 0; cnt < 7; cnt++) { |
d545c81c UH |
112 | if (serial_write_blocking(serial, req, strlen(req), |
113 | serial_timeout(serial, strlen(req))) < 0) { | |
8849f45a | 114 | sr_err("Unable to send identification request."); |
f8e76e2e MH |
115 | return NULL; |
116 | } | |
117 | len = BUF_MAX; | |
a4e435eb | 118 | serial_readline(serial, &buf, &len, NMADMM_TIMEOUT_MS); |
f8e76e2e MH |
119 | if (!len) |
120 | continue; | |
e790bd5c | 121 | buf[BUF_MAX - 1] = '\0'; |
f8e76e2e | 122 | |
0cadb8a3 | 123 | /* Match ID string, e.g. "1834 065 V1.06,IF V1.02" (DM950). */ |
e790bd5c | 124 | if (g_regex_match_simple("^1834 [^,]*,IF V*", (char *)buf, 0, 0)) { |
f8e76e2e | 125 | auxtype = xgittoint(buf[7]); |
49c06128 | 126 | sr_spew("%s %s DMM %s detected!", get_brandstr(drv), get_typestr(auxtype, drv), buf + 9); |
f8e76e2e | 127 | |
aac29cc1 | 128 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
129 | sdi->status = SR_ST_INACTIVE; |
130 | sdi->vendor = g_strdup(get_brandstr(drv)); | |
131 | sdi->model = g_strdup(get_typestr(auxtype, drv)); | |
132 | sdi->version = g_strdup(buf + 9); | |
f57d8ffe | 133 | devc = g_malloc0(sizeof(struct dev_context)); |
37dbffd1 | 134 | sr_sw_limits_init(&devc->limits); |
f8e76e2e | 135 | devc->type = auxtype; |
f8e76e2e MH |
136 | sdi->conn = serial; |
137 | sdi->priv = devc; | |
5e23fcab | 138 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); |
f8e76e2e MH |
139 | devices = g_slist_append(devices, sdi); |
140 | break; | |
141 | } | |
e790bd5c UH |
142 | |
143 | /* | |
144 | * The interface of the DM9x0 contains a cap that needs to | |
145 | * charge for up to 10s before the interface works, if not | |
146 | * powered externally. Therefore wait a little to improve | |
147 | * chances. | |
148 | */ | |
f8e76e2e MH |
149 | if (cnt == 3) { |
150 | sr_info("Waiting 5s to allow interface to settle."); | |
151 | g_usleep(5 * 1000 * 1000); | |
152 | } | |
153 | } | |
154 | ||
155 | g_free(buf); | |
156 | ||
157 | serial_close(serial); | |
158 | if (!devices) | |
159 | sr_serial_dev_inst_free(serial); | |
bfd48770 | 160 | |
15a5bfe4 | 161 | return std_scan_complete(drv, devices); |
bfd48770 MH |
162 | } |
163 | ||
584560f1 | 164 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 165 | const struct sr_channel_group *cg) |
bfd48770 | 166 | { |
f8e76e2e | 167 | struct dev_context *devc; |
bfd48770 | 168 | |
53b4680f | 169 | (void)cg; |
d3c74a6f | 170 | |
bfd48770 MH |
171 | if (sdi->status != SR_ST_ACTIVE) |
172 | return SR_ERR_DEV_CLOSED; | |
173 | ||
b0baddef | 174 | devc = sdi->priv; |
f8e76e2e | 175 | |
37dbffd1 | 176 | return sr_sw_limits_config_set(&devc->limits, key, data); |
bfd48770 MH |
177 | } |
178 | ||
584560f1 | 179 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 180 | const struct sr_channel_group *cg) |
bfd48770 | 181 | { |
bfd48770 | 182 | (void)sdi; |
53b4680f | 183 | (void)cg; |
bfd48770 | 184 | |
bfd48770 | 185 | switch (key) { |
f8e76e2e | 186 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 187 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 188 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
f8e76e2e MH |
189 | break; |
190 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 191 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 192 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
f8e76e2e | 193 | break; |
bfd48770 MH |
194 | default: |
195 | return SR_ERR_NA; | |
196 | } | |
197 | ||
f8e76e2e | 198 | return SR_OK; |
bfd48770 MH |
199 | } |
200 | ||
695dc859 | 201 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
bfd48770 | 202 | { |
f8e76e2e MH |
203 | struct dev_context *devc; |
204 | struct sr_serial_dev_inst *serial; | |
205 | ||
bfd48770 MH |
206 | if (sdi->status != SR_ST_ACTIVE) |
207 | return SR_ERR_DEV_CLOSED; | |
208 | ||
208c1d35 | 209 | devc = sdi->priv; |
f8e76e2e | 210 | |
37dbffd1 | 211 | sr_sw_limits_acquisition_start(&devc->limits); |
bee2b016 | 212 | std_session_send_df_header(sdi); |
f8e76e2e | 213 | |
f8e76e2e MH |
214 | /* Poll every 100ms, or whenever some data comes in. */ |
215 | serial = sdi->conn; | |
102f1239 BV |
216 | serial_source_add(sdi->session, serial, G_IO_IN, 100, |
217 | norma_dmm_receive_data, (void *)sdi); | |
bfd48770 MH |
218 | |
219 | return SR_OK; | |
220 | } | |
221 | ||
dd5c48a6 | 222 | static struct sr_dev_driver norma_dmm_driver_info = { |
bfd48770 | 223 | .name = "norma-dmm", |
49c06128 MH |
224 | .longname = "Norma DM9x0 DMMs", |
225 | .api_version = 1, | |
c2fdcc25 | 226 | .init = std_init, |
700d6b64 | 227 | .cleanup = std_cleanup, |
4f840ce9 | 228 | .scan = scan, |
c01bf34c | 229 | .dev_list = std_dev_list, |
49c06128 MH |
230 | .dev_clear = NULL, |
231 | .config_get = NULL, | |
232 | .config_set = config_set, | |
233 | .config_list = config_list, | |
234 | .dev_open = std_serial_dev_open, | |
eabfed20 | 235 | .dev_close = std_serial_dev_close, |
49c06128 | 236 | .dev_acquisition_start = dev_acquisition_start, |
4b1a9d5d | 237 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, |
41812aca | 238 | .context = NULL, |
49c06128 | 239 | }; |
dd5c48a6 | 240 | SR_REGISTER_DEV_DRIVER(norma_dmm_driver_info); |
49c06128 | 241 | |
dd5c48a6 | 242 | static struct sr_dev_driver siemens_b102x_driver_info = { |
49c06128 MH |
243 | .name = "siemens-b102x", |
244 | .longname = "Siemens B102x DMMs", | |
bfd48770 | 245 | .api_version = 1, |
c2fdcc25 | 246 | .init = std_init, |
700d6b64 | 247 | .cleanup = std_cleanup, |
4f840ce9 | 248 | .scan = scan, |
c01bf34c | 249 | .dev_list = std_dev_list, |
a6630742 | 250 | .dev_clear = NULL, |
f8e76e2e | 251 | .config_get = NULL, |
bfd48770 MH |
252 | .config_set = config_set, |
253 | .config_list = config_list, | |
854434de | 254 | .dev_open = std_serial_dev_open, |
eabfed20 | 255 | .dev_close = std_serial_dev_close, |
bfd48770 | 256 | .dev_acquisition_start = dev_acquisition_start, |
4b1a9d5d | 257 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, |
41812aca | 258 | .context = NULL, |
bfd48770 | 259 | }; |
dd5c48a6 | 260 | SR_REGISTER_DEV_DRIVER(siemens_b102x_driver_info); |