]>
Commit | Line | Data |
---|---|---|
823b4e58 MH |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2014 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 | ||
c6a2843a MH |
20 | /** @file |
21 | * <em>Conrad DIGI 35 CPU</em> power supply driver | |
22 | * @internal | |
23 | */ | |
24 | ||
823b4e58 MH |
25 | #include "protocol.h" |
26 | ||
0294a409 UH |
27 | #define SERIALCOMM "9600/8n1" |
28 | ||
c6a2843a MH |
29 | static const int32_t hwopts[] = { |
30 | SR_CONF_CONN, | |
31 | SR_CONF_SERIALCOMM, | |
32 | }; | |
33 | ||
34 | static const int32_t hwcaps[] = { | |
35 | SR_CONF_POWER_SUPPLY, | |
36 | SR_CONF_OUTPUT_VOLTAGE, | |
37 | SR_CONF_OUTPUT_CURRENT, | |
0294a409 | 38 | /* There's no SR_CONF_OUTPUT_ENABLED; can't know/set status remotely. */ |
c6a2843a MH |
39 | SR_CONF_OVER_CURRENT_PROTECTION, |
40 | }; | |
41 | ||
823b4e58 MH |
42 | SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info; |
43 | static struct sr_dev_driver *di = &conrad_digi_35_cpu_driver_info; | |
44 | ||
45 | static int init(struct sr_context *sr_ctx) | |
46 | { | |
47 | return std_init(sr_ctx, di, LOG_PREFIX); | |
48 | } | |
49 | ||
50 | static GSList *scan(GSList *options) | |
51 | { | |
c6a2843a | 52 | struct sr_dev_inst *sdi; |
823b4e58 | 53 | struct drv_context *drvc; |
c6a2843a | 54 | struct sr_config *src; |
ba7dd8bb | 55 | struct sr_channel *ch; |
c6a2843a MH |
56 | struct sr_serial_dev_inst *serial; |
57 | GSList *l, *devices; | |
58 | const char *conn, *serialcomm; | |
823b4e58 MH |
59 | |
60 | devices = NULL; | |
61 | drvc = di->priv; | |
62 | drvc->instances = NULL; | |
c6a2843a MH |
63 | conn = serialcomm = NULL; |
64 | ||
65 | for (l = options; l; l = l->next) { | |
66 | src = l->data; | |
67 | switch (src->key) { | |
68 | case SR_CONF_CONN: | |
69 | conn = g_variant_get_string(src->data, NULL); | |
70 | break; | |
71 | case SR_CONF_SERIALCOMM: | |
72 | serialcomm = g_variant_get_string(src->data, NULL); | |
73 | break; | |
74 | } | |
75 | } | |
76 | if (!conn) | |
77 | return NULL; | |
78 | if (!serialcomm) | |
79 | serialcomm = SERIALCOMM; | |
80 | ||
0294a409 UH |
81 | /* |
82 | * We cannot scan for this device because it is write-only. | |
c6a2843a | 83 | * So just check that the port parameters are valid and assume that |
0294a409 UH |
84 | * the device is there. |
85 | */ | |
c6a2843a MH |
86 | |
87 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) | |
88 | return NULL; | |
89 | ||
90 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) | |
91 | return NULL; | |
823b4e58 | 92 | |
c6a2843a MH |
93 | serial_flush(serial); |
94 | serial_close(serial); | |
95 | ||
0294a409 | 96 | sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn); |
c6a2843a | 97 | |
55f98c65 | 98 | if (!(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, "Conrad", "DIGI 35 CPU", NULL))) |
c6a2843a MH |
99 | return NULL; |
100 | ||
101 | sdi->conn = serial; | |
102 | sdi->priv = NULL; | |
103 | sdi->driver = di; | |
3f239f08 | 104 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "CH1"))) |
c6a2843a | 105 | return NULL; |
ba7dd8bb | 106 | sdi->channels = g_slist_append(sdi->channels, ch); |
c6a2843a MH |
107 | |
108 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
109 | devices = g_slist_append(devices, sdi); | |
823b4e58 MH |
110 | |
111 | return devices; | |
112 | } | |
113 | ||
114 | static GSList *dev_list(void) | |
115 | { | |
116 | return ((struct drv_context *)(di->priv))->instances; | |
117 | } | |
118 | ||
823b4e58 MH |
119 | static int cleanup(void) |
120 | { | |
a6630742 | 121 | return std_dev_clear(di, NULL); |
823b4e58 MH |
122 | } |
123 | ||
823b4e58 | 124 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 125 | const struct sr_channel_group *cg) |
823b4e58 MH |
126 | { |
127 | int ret; | |
c6a2843a | 128 | double dblval; |
823b4e58 | 129 | |
53b4680f | 130 | (void)cg; |
823b4e58 MH |
131 | |
132 | if (sdi->status != SR_ST_ACTIVE) | |
133 | return SR_ERR_DEV_CLOSED; | |
134 | ||
135 | ret = SR_OK; | |
136 | switch (key) { | |
c6a2843a MH |
137 | case SR_CONF_OUTPUT_VOLTAGE: |
138 | dblval = g_variant_get_double(data); | |
139 | if ((dblval < 0.0) || (dblval > 35.0)) { | |
140 | sr_err("Voltage out of range (0 - 35.0)!"); | |
141 | return SR_ERR_ARG; | |
142 | } | |
143 | ret = send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5)); | |
144 | break; | |
145 | case SR_CONF_OUTPUT_CURRENT: | |
146 | dblval = g_variant_get_double(data); | |
147 | if ((dblval < 0.01) || (dblval > 2.55)) { | |
148 | sr_err("Current out of range (0 - 2.55)!"); | |
149 | return SR_ERR_ARG; | |
150 | } | |
151 | ret = send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5)); | |
152 | break; | |
153 | /* No SR_CONF_OUTPUT_ENABLED :-( . */ | |
154 | case SR_CONF_OVER_CURRENT_PROTECTION: | |
155 | if (g_variant_get_boolean(data)) | |
156 | ret = send_msg1(sdi, 'V', 900); | |
157 | else /* Constant current mode */ | |
158 | ret = send_msg1(sdi, 'V', 901); | |
159 | break; | |
823b4e58 MH |
160 | default: |
161 | ret = SR_ERR_NA; | |
162 | } | |
163 | ||
164 | return ret; | |
165 | } | |
166 | ||
167 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
53b4680f | 168 | const struct sr_channel_group *cg) |
823b4e58 MH |
169 | { |
170 | int ret; | |
171 | ||
172 | (void)sdi; | |
53b4680f | 173 | (void)cg; |
823b4e58 MH |
174 | |
175 | ret = SR_OK; | |
176 | switch (key) { | |
c6a2843a MH |
177 | case SR_CONF_SCAN_OPTIONS: |
178 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
179 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
180 | break; | |
181 | case SR_CONF_DEVICE_OPTIONS: | |
182 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
183 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
184 | break; | |
823b4e58 MH |
185 | default: |
186 | return SR_ERR_NA; | |
187 | } | |
188 | ||
189 | return ret; | |
190 | } | |
191 | ||
0294a409 | 192 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
823b4e58 | 193 | { |
823b4e58 MH |
194 | (void)cb_data; |
195 | ||
196 | if (sdi->status != SR_ST_ACTIVE) | |
197 | return SR_ERR_DEV_CLOSED; | |
198 | ||
823b4e58 MH |
199 | return SR_OK; |
200 | } | |
201 | ||
0294a409 | 202 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
823b4e58 MH |
203 | { |
204 | (void)cb_data; | |
205 | ||
206 | if (sdi->status != SR_ST_ACTIVE) | |
207 | return SR_ERR_DEV_CLOSED; | |
208 | ||
823b4e58 MH |
209 | return SR_OK; |
210 | } | |
211 | ||
212 | SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info = { | |
213 | .name = "conrad-digi-35-cpu", | |
214 | .longname = "Conrad DIGI 35 CPU", | |
215 | .api_version = 1, | |
216 | .init = init, | |
217 | .cleanup = cleanup, | |
218 | .scan = scan, | |
219 | .dev_list = dev_list, | |
a6630742 | 220 | .dev_clear = NULL, |
c6a2843a | 221 | .config_get = NULL, |
823b4e58 MH |
222 | .config_set = config_set, |
223 | .config_list = config_list, | |
c6a2843a MH |
224 | .dev_open = std_serial_dev_open, |
225 | .dev_close = std_serial_dev_close, | |
0294a409 UH |
226 | .dev_acquisition_start = dev_acquisition_start, |
227 | .dev_acquisition_stop = dev_acquisition_stop, | |
823b4e58 MH |
228 | .priv = NULL, |
229 | }; |