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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 | ||
a0e0bb41 | 29 | static const uint32_t scanopts[] = { |
c6a2843a MH |
30 | SR_CONF_CONN, |
31 | SR_CONF_SERIALCOMM, | |
32 | }; | |
33 | ||
f254bc4b | 34 | static const uint32_t devopts[] = { |
c6a2843a | 35 | SR_CONF_POWER_SUPPLY, |
5827f61b BV |
36 | SR_CONF_OUTPUT_VOLTAGE | SR_CONF_SET, |
37 | SR_CONF_OUTPUT_CURRENT | SR_CONF_SET, | |
38 | SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_SET, | |
c6a2843a MH |
39 | }; |
40 | ||
823b4e58 MH |
41 | SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info; |
42 | static struct sr_dev_driver *di = &conrad_digi_35_cpu_driver_info; | |
43 | ||
44 | static int init(struct sr_context *sr_ctx) | |
45 | { | |
46 | return std_init(sr_ctx, di, LOG_PREFIX); | |
47 | } | |
48 | ||
49 | static GSList *scan(GSList *options) | |
50 | { | |
c6a2843a | 51 | struct sr_dev_inst *sdi; |
823b4e58 | 52 | struct drv_context *drvc; |
c6a2843a | 53 | struct sr_config *src; |
ba7dd8bb | 54 | struct sr_channel *ch; |
c6a2843a MH |
55 | struct sr_serial_dev_inst *serial; |
56 | GSList *l, *devices; | |
57 | const char *conn, *serialcomm; | |
823b4e58 MH |
58 | |
59 | devices = NULL; | |
60 | drvc = di->priv; | |
61 | drvc->instances = NULL; | |
c6a2843a MH |
62 | conn = serialcomm = NULL; |
63 | ||
64 | for (l = options; l; l = l->next) { | |
65 | src = l->data; | |
66 | switch (src->key) { | |
67 | case SR_CONF_CONN: | |
68 | conn = g_variant_get_string(src->data, NULL); | |
69 | break; | |
70 | case SR_CONF_SERIALCOMM: | |
71 | serialcomm = g_variant_get_string(src->data, NULL); | |
72 | break; | |
73 | } | |
74 | } | |
75 | if (!conn) | |
76 | return NULL; | |
77 | if (!serialcomm) | |
78 | serialcomm = SERIALCOMM; | |
79 | ||
0294a409 UH |
80 | /* |
81 | * We cannot scan for this device because it is write-only. | |
c6a2843a | 82 | * So just check that the port parameters are valid and assume that |
0294a409 UH |
83 | * the device is there. |
84 | */ | |
c6a2843a MH |
85 | |
86 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) | |
87 | return NULL; | |
88 | ||
0ac161bb | 89 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
c6a2843a | 90 | return NULL; |
823b4e58 | 91 | |
c6a2843a MH |
92 | serial_flush(serial); |
93 | serial_close(serial); | |
94 | ||
0294a409 | 95 | sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn); |
c6a2843a | 96 | |
0af636be UH |
97 | sdi = sr_dev_inst_new(); |
98 | sdi->status = SR_ST_ACTIVE; | |
99 | sdi->vendor = g_strdup("Conrad"); | |
100 | sdi->model = g_strdup("DIGI 35 CPU"); | |
c6a2843a MH |
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 | ||
584560f1 | 124 | static int config_set(uint32_t 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; | |
a1eaa9e0 | 153 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: |
c6a2843a MH |
154 | if (g_variant_get_boolean(data)) |
155 | ret = send_msg1(sdi, 'V', 900); | |
156 | else /* Constant current mode */ | |
157 | ret = send_msg1(sdi, 'V', 901); | |
158 | break; | |
823b4e58 MH |
159 | default: |
160 | ret = SR_ERR_NA; | |
161 | } | |
162 | ||
163 | return ret; | |
164 | } | |
165 | ||
584560f1 | 166 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 167 | const struct sr_channel_group *cg) |
823b4e58 MH |
168 | { |
169 | int ret; | |
170 | ||
171 | (void)sdi; | |
53b4680f | 172 | (void)cg; |
823b4e58 MH |
173 | |
174 | ret = SR_OK; | |
175 | switch (key) { | |
c6a2843a | 176 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 177 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 178 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
c6a2843a MH |
179 | break; |
180 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 181 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 182 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
c6a2843a | 183 | break; |
823b4e58 MH |
184 | default: |
185 | return SR_ERR_NA; | |
186 | } | |
187 | ||
188 | return ret; | |
189 | } | |
190 | ||
0294a409 | 191 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
823b4e58 | 192 | { |
823b4e58 MH |
193 | (void)cb_data; |
194 | ||
195 | if (sdi->status != SR_ST_ACTIVE) | |
196 | return SR_ERR_DEV_CLOSED; | |
197 | ||
823b4e58 MH |
198 | return SR_OK; |
199 | } | |
200 | ||
0294a409 | 201 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
823b4e58 MH |
202 | { |
203 | (void)cb_data; | |
204 | ||
205 | if (sdi->status != SR_ST_ACTIVE) | |
206 | return SR_ERR_DEV_CLOSED; | |
207 | ||
823b4e58 MH |
208 | return SR_OK; |
209 | } | |
210 | ||
211 | SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info = { | |
212 | .name = "conrad-digi-35-cpu", | |
213 | .longname = "Conrad DIGI 35 CPU", | |
214 | .api_version = 1, | |
215 | .init = init, | |
216 | .cleanup = cleanup, | |
217 | .scan = scan, | |
218 | .dev_list = dev_list, | |
a6630742 | 219 | .dev_clear = NULL, |
c6a2843a | 220 | .config_get = NULL, |
823b4e58 MH |
221 | .config_set = config_set, |
222 | .config_list = config_list, | |
c6a2843a MH |
223 | .dev_open = std_serial_dev_open, |
224 | .dev_close = std_serial_dev_close, | |
0294a409 UH |
225 | .dev_acquisition_start = dev_acquisition_start, |
226 | .dev_acquisition_stop = dev_acquisition_stop, | |
823b4e58 MH |
227 | .priv = NULL, |
228 | }; |