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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de> | |
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 2 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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <config.h> | |
22 | #include "protocol.h" | |
23 | ||
24 | static const uint32_t scanopts[] = { | |
25 | SR_CONF_CONN, | |
26 | SR_CONF_SERIALCOMM, | |
27 | }; | |
28 | ||
29 | static const uint32_t drvopts_temp[] = { | |
30 | SR_CONF_THERMOMETER, | |
31 | }; | |
32 | ||
33 | static const uint32_t drvopts_temp_hum[] = { | |
34 | SR_CONF_THERMOMETER, | |
35 | SR_CONF_HYGROMETER, | |
36 | }; | |
37 | ||
38 | static const uint32_t devopts[] = { | |
39 | SR_CONF_CONTINUOUS, | |
40 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, | |
41 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
42 | }; | |
43 | ||
44 | static struct sr_dev_driver mic_98581_driver_info; | |
45 | static struct sr_dev_driver mic_98583_driver_info; | |
46 | ||
47 | SR_PRIV const struct mic_dev_info mic_devs[] = { | |
48 | { | |
49 | "MIC", "98581", "38400/8n2", 32000, TRUE, FALSE, 6, | |
50 | packet_valid_temp, | |
51 | &mic_98581_driver_info, receive_data_MIC_98581, | |
52 | }, | |
53 | { | |
54 | "MIC", "98583", "38400/8n2", 32000, TRUE, TRUE, 10, | |
55 | packet_valid_temp_hum, | |
56 | &mic_98583_driver_info, receive_data_MIC_98583, | |
57 | }, | |
58 | }; | |
59 | ||
60 | static GSList *mic_scan(const char *conn, const char *serialcomm, int idx) | |
61 | { | |
62 | struct sr_dev_inst *sdi; | |
63 | struct dev_context *devc; | |
64 | struct sr_serial_dev_inst *serial; | |
65 | ||
66 | serial = sr_serial_dev_inst_new(conn, serialcomm); | |
67 | ||
68 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
69 | return NULL; | |
70 | ||
71 | serial_flush(serial); | |
72 | ||
73 | /* TODO: Query device type. */ | |
74 | // ret = mic_cmd_get_device_info(serial); | |
75 | ||
76 | sr_info("Found device on port %s.", conn); | |
77 | ||
78 | /* TODO: Fill in version from protocol response. */ | |
79 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
80 | sdi->status = SR_ST_INACTIVE; | |
81 | sdi->vendor = g_strdup(mic_devs[idx].vendor); | |
82 | sdi->model = g_strdup(mic_devs[idx].device); | |
83 | devc = g_malloc0(sizeof(struct dev_context)); | |
84 | sr_sw_limits_init(&devc->limits); | |
85 | sdi->inst_type = SR_INST_SERIAL; | |
86 | sdi->conn = serial; | |
87 | sdi->priv = devc; | |
88 | ||
89 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "Temperature"); | |
90 | ||
91 | if (mic_devs[idx].has_humidity) | |
92 | sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "Humidity"); | |
93 | ||
94 | serial_close(serial); | |
95 | ||
96 | return std_scan_complete(mic_devs[idx].di, g_slist_append(NULL, sdi)); | |
97 | } | |
98 | ||
99 | static GSList *scan(GSList *options, int idx) | |
100 | { | |
101 | struct sr_config *src; | |
102 | GSList *l, *devices; | |
103 | const char *conn, *serialcomm; | |
104 | ||
105 | conn = serialcomm = NULL; | |
106 | for (l = options; l; l = l->next) { | |
107 | src = l->data; | |
108 | switch (src->key) { | |
109 | case SR_CONF_CONN: | |
110 | conn = g_variant_get_string(src->data, NULL); | |
111 | break; | |
112 | case SR_CONF_SERIALCOMM: | |
113 | serialcomm = g_variant_get_string(src->data, NULL); | |
114 | break; | |
115 | } | |
116 | } | |
117 | if (!conn) | |
118 | return NULL; | |
119 | ||
120 | if (serialcomm) { | |
121 | /* Use the provided comm specs. */ | |
122 | devices = mic_scan(conn, serialcomm, idx); | |
123 | } else { | |
124 | /* Try the default. */ | |
125 | devices = mic_scan(conn, mic_devs[idx].conn, idx); | |
126 | } | |
127 | ||
128 | return devices; | |
129 | } | |
130 | ||
131 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
132 | const struct sr_channel_group *cg) | |
133 | { | |
134 | struct dev_context *devc; | |
135 | ||
136 | (void)cg; | |
137 | ||
138 | if (sdi->status != SR_ST_ACTIVE) | |
139 | return SR_ERR_DEV_CLOSED; | |
140 | ||
141 | devc = sdi->priv; | |
142 | ||
143 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
144 | } | |
145 | ||
146 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
147 | const struct sr_channel_group *cg, int idx) | |
148 | { | |
149 | (void)cg; | |
150 | ||
151 | switch (key) { | |
152 | case SR_CONF_SCAN_OPTIONS: | |
153 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
154 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
155 | break; | |
156 | case SR_CONF_DEVICE_OPTIONS: | |
157 | if (!sdi && !mic_devs[idx].has_humidity) { | |
158 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
159 | drvopts_temp, ARRAY_SIZE(drvopts_temp), | |
160 | sizeof(uint32_t)); | |
161 | } else if (!sdi && mic_devs[idx].has_humidity) { | |
162 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
163 | drvopts_temp_hum, ARRAY_SIZE(drvopts_temp_hum), | |
164 | sizeof(uint32_t)); | |
165 | } else { | |
166 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
167 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
168 | } | |
169 | break; | |
170 | default: | |
171 | return SR_ERR_NA; | |
172 | } | |
173 | ||
174 | return SR_OK; | |
175 | } | |
176 | ||
177 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, int idx) | |
178 | { | |
179 | struct dev_context *devc; | |
180 | struct sr_serial_dev_inst *serial; | |
181 | ||
182 | if (sdi->status != SR_ST_ACTIVE) | |
183 | return SR_ERR_DEV_CLOSED; | |
184 | ||
185 | devc = sdi->priv; | |
186 | ||
187 | sr_sw_limits_acquisition_start(&devc->limits); | |
188 | std_session_send_df_header(sdi); | |
189 | ||
190 | /* Poll every 100ms, or whenever some data comes in. */ | |
191 | serial = sdi->conn; | |
192 | serial_source_add(sdi->session, serial, G_IO_IN, 100, | |
193 | mic_devs[idx].receive_data, (void *)sdi); | |
194 | ||
195 | return SR_OK; | |
196 | } | |
197 | ||
198 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
199 | { | |
200 | return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close); | |
201 | } | |
202 | ||
203 | /* Driver-specific API function wrappers */ | |
204 | #define HW_SCAN(X) \ | |
205 | static GSList *scan_##X(struct sr_dev_driver *di, GSList *options) { \ | |
206 | (void)di; return scan(options, X); } | |
207 | #define HW_CONFIG_LIST(X) \ | |
208 | static int config_list_##X(uint32_t key, GVariant **data, \ | |
209 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { \ | |
210 | return config_list(key, data, sdi, cg, X); } | |
211 | #define HW_DEV_ACQUISITION_START(X) \ | |
212 | static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi \ | |
213 | ) { return dev_acquisition_start(sdi, X); } | |
214 | ||
215 | /* Driver structs and API function wrappers */ | |
216 | #define DRV(ID, ID_UPPER, NAME, LONGNAME) \ | |
217 | HW_SCAN(ID_UPPER) \ | |
218 | HW_CONFIG_LIST(ID_UPPER) \ | |
219 | HW_DEV_ACQUISITION_START(ID_UPPER) \ | |
220 | static struct sr_dev_driver ID##_driver_info = { \ | |
221 | .name = NAME, \ | |
222 | .longname = LONGNAME, \ | |
223 | .api_version = 1, \ | |
224 | .init = std_init, \ | |
225 | .cleanup = std_cleanup, \ | |
226 | .scan = scan_##ID_UPPER, \ | |
227 | .dev_list = std_dev_list, \ | |
228 | .config_get = NULL, \ | |
229 | .config_set = config_set, \ | |
230 | .config_list = config_list_##ID_UPPER, \ | |
231 | .dev_open = std_serial_dev_open, \ | |
232 | .dev_close = std_serial_dev_close, \ | |
233 | .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \ | |
234 | .dev_acquisition_stop = dev_acquisition_stop, \ | |
235 | .context = NULL, \ | |
236 | }; \ | |
237 | SR_REGISTER_DEV_DRIVER(ID##_driver_info) | |
238 | ||
239 | DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581") | |
240 | DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583") |