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20cbc785 AG |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.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> |
20cbc785 AG |
21 | #include "protocol.h" |
22 | ||
a0e0bb41 | 23 | static const uint32_t scanopts[] = { |
601fb67c AG |
24 | SR_CONF_CONN, |
25 | SR_CONF_SERIALCOMM, | |
601fb67c AG |
26 | }; |
27 | ||
f254bc4b | 28 | static const uint32_t devopts[] = { |
601fb67c | 29 | SR_CONF_MULTIMETER, |
601fb67c | 30 | SR_CONF_CONTINUOUS, |
5827f61b BV |
31 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, |
32 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
601fb67c AG |
33 | }; |
34 | ||
c5d6f5cc UH |
35 | SR_PRIV struct sr_dev_driver brymen_bm857_driver_info; |
36 | static struct sr_dev_driver *di = &brymen_bm857_driver_info; | |
20cbc785 | 37 | |
601fb67c | 38 | static GSList *brymen_scan(const char *conn, const char *serialcomm) |
20cbc785 | 39 | { |
601fb67c AG |
40 | struct sr_dev_inst *sdi; |
41 | struct dev_context *devc; | |
20cbc785 | 42 | struct drv_context *drvc; |
601fb67c AG |
43 | struct sr_serial_dev_inst *serial; |
44 | GSList *devices; | |
45 | int ret; | |
c5d6f5cc UH |
46 | uint8_t buf[128]; |
47 | size_t len; | |
20cbc785 | 48 | |
91219afc | 49 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
601fb67c | 50 | |
ca4266a0 | 51 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
601fb67c AG |
52 | return NULL; |
53 | ||
54 | sr_info("Probing port %s.", conn); | |
55 | ||
56 | devices = NULL; | |
57 | ||
58 | /* Request reading */ | |
c5d6f5cc UH |
59 | if ((ret = brymen_packet_request(serial)) < 0) { |
60 | sr_err("Unable to send command: %d.", ret); | |
601fb67c | 61 | goto scan_cleanup; |
20cbc785 AG |
62 | } |
63 | ||
c5d6f5cc | 64 | len = 128; |
601fb67c AG |
65 | ret = brymen_stream_detect(serial, buf, &len, brymen_packet_length, |
66 | brymen_packet_is_valid, 1000, 9600); | |
67 | if (ret != SR_OK) | |
68 | goto scan_cleanup; | |
20cbc785 | 69 | |
601fb67c AG |
70 | sr_info("Found device on port %s.", conn); |
71 | ||
aac29cc1 | 72 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
73 | sdi->status = SR_ST_INACTIVE; |
74 | sdi->vendor = g_strdup("Brymen"); | |
75 | sdi->model = g_strdup("BM85x"); | |
f57d8ffe | 76 | devc = g_malloc0(sizeof(struct dev_context)); |
dcba0c41 | 77 | sr_sw_limits_init(&devc->sw_limits); |
d9a7c349 UH |
78 | sdi->inst_type = SR_INST_SERIAL; |
79 | sdi->conn = serial; | |
41812aca | 80 | drvc = di->context; |
601fb67c AG |
81 | sdi->priv = devc; |
82 | sdi->driver = di; | |
5e23fcab | 83 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); |
601fb67c AG |
84 | drvc->instances = g_slist_append(drvc->instances, sdi); |
85 | devices = g_slist_append(devices, sdi); | |
86 | ||
601fb67c AG |
87 | scan_cleanup: |
88 | serial_close(serial); | |
89 | ||
90 | return devices; | |
20cbc785 AG |
91 | } |
92 | ||
4f840ce9 | 93 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
20cbc785 AG |
94 | { |
95 | struct drv_context *drvc; | |
601fb67c AG |
96 | struct sr_config *src; |
97 | GSList *devices, *l; | |
98 | const char *conn, *serialcomm; | |
20cbc785 | 99 | |
20cbc785 | 100 | devices = NULL; |
41812aca | 101 | drvc = di->context; |
20cbc785 AG |
102 | drvc->instances = NULL; |
103 | ||
601fb67c AG |
104 | conn = serialcomm = NULL; |
105 | for (l = options; l; l = l->next) { | |
106 | src = l->data; | |
107 | switch (src->key) { | |
c5d6f5cc | 108 | case SR_CONF_CONN: |
510b3e69 | 109 | conn = g_variant_get_string(src->data, NULL); |
c5d6f5cc UH |
110 | break; |
111 | case SR_CONF_SERIALCOMM: | |
510b3e69 | 112 | serialcomm = g_variant_get_string(src->data, NULL); |
c5d6f5cc | 113 | break; |
601fb67c AG |
114 | } |
115 | } | |
d9a7c349 | 116 | if (!conn) |
601fb67c | 117 | return NULL; |
601fb67c AG |
118 | |
119 | if (serialcomm) { | |
120 | /* Use the provided comm specs. */ | |
121 | devices = brymen_scan(conn, serialcomm); | |
122 | } else { | |
c5d6f5cc | 123 | /* But 9600/8n1 should work all of the time. */ |
601fb67c AG |
124 | devices = brymen_scan(conn, "9600/8n1/dtr=1/rts=1"); |
125 | } | |
20cbc785 AG |
126 | |
127 | return devices; | |
128 | } | |
129 | ||
584560f1 | 130 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 131 | const struct sr_channel_group *cg) |
20cbc785 | 132 | { |
601fb67c | 133 | struct dev_context *devc; |
20cbc785 | 134 | |
53b4680f | 135 | (void)cg; |
8f996b89 | 136 | |
e73ffd42 BV |
137 | if (sdi->status != SR_ST_ACTIVE) |
138 | return SR_ERR_DEV_CLOSED; | |
20cbc785 | 139 | |
b0baddef | 140 | devc = sdi->priv; |
601fb67c | 141 | |
dcba0c41 | 142 | return sr_sw_limits_config_set(&devc->sw_limits, key, data); |
20cbc785 AG |
143 | } |
144 | ||
584560f1 | 145 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 146 | const struct sr_channel_group *cg) |
510b3e69 BV |
147 | { |
148 | (void)sdi; | |
53b4680f | 149 | (void)cg; |
510b3e69 BV |
150 | |
151 | switch (key) { | |
152 | case SR_CONF_SCAN_OPTIONS: | |
584560f1 | 153 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 154 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
510b3e69 BV |
155 | break; |
156 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 157 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 158 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
510b3e69 BV |
159 | break; |
160 | default: | |
bd6fbf62 | 161 | return SR_ERR_NA; |
510b3e69 BV |
162 | } |
163 | ||
164 | return SR_OK; | |
165 | } | |
166 | ||
695dc859 | 167 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
20cbc785 | 168 | { |
601fb67c | 169 | struct dev_context *devc; |
d9a7c349 | 170 | struct sr_serial_dev_inst *serial; |
601fb67c | 171 | |
e73ffd42 BV |
172 | if (sdi->status != SR_ST_ACTIVE) |
173 | return SR_ERR_DEV_CLOSED; | |
174 | ||
208c1d35 | 175 | devc = sdi->priv; |
601fb67c | 176 | |
dcba0c41 | 177 | sr_sw_limits_acquisition_start(&devc->sw_limits); |
695dc859 | 178 | std_session_send_df_header(sdi, LOG_PREFIX); |
601fb67c AG |
179 | |
180 | /* Poll every 50ms, or whenever some data comes in. */ | |
d9a7c349 | 181 | serial = sdi->conn; |
102f1239 BV |
182 | serial_source_add(sdi->session, serial, G_IO_IN, 50, |
183 | brymen_dmm_receive_data, (void *)sdi); | |
20cbc785 AG |
184 | |
185 | return SR_OK; | |
186 | } | |
187 | ||
695dc859 | 188 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
20cbc785 | 189 | { |
6525d819 | 190 | return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close, |
d43b0908 | 191 | sdi->conn, LOG_PREFIX); |
20cbc785 AG |
192 | } |
193 | ||
c5d6f5cc UH |
194 | SR_PRIV struct sr_dev_driver brymen_bm857_driver_info = { |
195 | .name = "brymen-bm857", | |
196 | .longname = "Brymen BM857", | |
20cbc785 | 197 | .api_version = 1, |
c2fdcc25 | 198 | .init = std_init, |
700d6b64 | 199 | .cleanup = std_cleanup, |
6078d2c9 | 200 | .scan = scan, |
c01bf34c | 201 | .dev_list = std_dev_list, |
a6630742 | 202 | .dev_clear = NULL, |
6fab7b8f UH |
203 | .config_get = NULL, |
204 | .config_set = config_set, | |
205 | .config_list = config_list, | |
854434de | 206 | .dev_open = std_serial_dev_open, |
bf2c987f | 207 | .dev_close = std_serial_dev_close, |
6078d2c9 UH |
208 | .dev_acquisition_start = dev_acquisition_start, |
209 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 210 | .context = NULL, |
20cbc785 | 211 | }; |