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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 | 85 | |
91219afc | 86 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
c6a2843a | 87 | |
0ac161bb | 88 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
c6a2843a | 89 | return NULL; |
823b4e58 | 90 | |
c6a2843a MH |
91 | serial_flush(serial); |
92 | serial_close(serial); | |
93 | ||
0294a409 | 94 | sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn); |
c6a2843a | 95 | |
aac29cc1 | 96 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
97 | sdi->status = SR_ST_ACTIVE; |
98 | sdi->vendor = g_strdup("Conrad"); | |
99 | sdi->model = g_strdup("DIGI 35 CPU"); | |
c6a2843a MH |
100 | sdi->conn = serial; |
101 | sdi->priv = NULL; | |
102 | sdi->driver = di; | |
c368e6f3 | 103 | ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "CH1"); |
ba7dd8bb | 104 | sdi->channels = g_slist_append(sdi->channels, ch); |
c6a2843a MH |
105 | drvc->instances = g_slist_append(drvc->instances, sdi); |
106 | devices = g_slist_append(devices, sdi); | |
823b4e58 MH |
107 | |
108 | return devices; | |
109 | } | |
110 | ||
111 | static GSList *dev_list(void) | |
112 | { | |
113 | return ((struct drv_context *)(di->priv))->instances; | |
114 | } | |
115 | ||
823b4e58 MH |
116 | static int cleanup(void) |
117 | { | |
a6630742 | 118 | return std_dev_clear(di, NULL); |
823b4e58 MH |
119 | } |
120 | ||
584560f1 | 121 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 122 | const struct sr_channel_group *cg) |
823b4e58 MH |
123 | { |
124 | int ret; | |
c6a2843a | 125 | double dblval; |
823b4e58 | 126 | |
53b4680f | 127 | (void)cg; |
823b4e58 MH |
128 | |
129 | if (sdi->status != SR_ST_ACTIVE) | |
130 | return SR_ERR_DEV_CLOSED; | |
131 | ||
132 | ret = SR_OK; | |
133 | switch (key) { | |
c6a2843a MH |
134 | case SR_CONF_OUTPUT_VOLTAGE: |
135 | dblval = g_variant_get_double(data); | |
136 | if ((dblval < 0.0) || (dblval > 35.0)) { | |
137 | sr_err("Voltage out of range (0 - 35.0)!"); | |
138 | return SR_ERR_ARG; | |
139 | } | |
140 | ret = send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5)); | |
141 | break; | |
142 | case SR_CONF_OUTPUT_CURRENT: | |
143 | dblval = g_variant_get_double(data); | |
144 | if ((dblval < 0.01) || (dblval > 2.55)) { | |
145 | sr_err("Current out of range (0 - 2.55)!"); | |
146 | return SR_ERR_ARG; | |
147 | } | |
148 | ret = send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5)); | |
149 | break; | |
a1eaa9e0 | 150 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: |
c6a2843a MH |
151 | if (g_variant_get_boolean(data)) |
152 | ret = send_msg1(sdi, 'V', 900); | |
153 | else /* Constant current mode */ | |
154 | ret = send_msg1(sdi, 'V', 901); | |
155 | break; | |
823b4e58 MH |
156 | default: |
157 | ret = SR_ERR_NA; | |
158 | } | |
159 | ||
160 | return ret; | |
161 | } | |
162 | ||
584560f1 | 163 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 164 | const struct sr_channel_group *cg) |
823b4e58 MH |
165 | { |
166 | int ret; | |
167 | ||
168 | (void)sdi; | |
53b4680f | 169 | (void)cg; |
823b4e58 MH |
170 | |
171 | ret = SR_OK; | |
172 | switch (key) { | |
c6a2843a | 173 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 174 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 175 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
c6a2843a MH |
176 | break; |
177 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 178 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 179 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
c6a2843a | 180 | break; |
823b4e58 MH |
181 | default: |
182 | return SR_ERR_NA; | |
183 | } | |
184 | ||
185 | return ret; | |
186 | } | |
187 | ||
0294a409 | 188 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
823b4e58 | 189 | { |
823b4e58 MH |
190 | (void)cb_data; |
191 | ||
192 | if (sdi->status != SR_ST_ACTIVE) | |
193 | return SR_ERR_DEV_CLOSED; | |
194 | ||
823b4e58 MH |
195 | return SR_OK; |
196 | } | |
197 | ||
0294a409 | 198 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
823b4e58 MH |
199 | { |
200 | (void)cb_data; | |
201 | ||
202 | if (sdi->status != SR_ST_ACTIVE) | |
203 | return SR_ERR_DEV_CLOSED; | |
204 | ||
823b4e58 MH |
205 | return SR_OK; |
206 | } | |
207 | ||
208 | SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info = { | |
209 | .name = "conrad-digi-35-cpu", | |
210 | .longname = "Conrad DIGI 35 CPU", | |
211 | .api_version = 1, | |
212 | .init = init, | |
213 | .cleanup = cleanup, | |
214 | .scan = scan, | |
215 | .dev_list = dev_list, | |
a6630742 | 216 | .dev_clear = NULL, |
c6a2843a | 217 | .config_get = NULL, |
823b4e58 MH |
218 | .config_set = config_set, |
219 | .config_list = config_list, | |
c6a2843a MH |
220 | .dev_open = std_serial_dev_open, |
221 | .dev_close = std_serial_dev_close, | |
0294a409 UH |
222 | .dev_acquisition_start = dev_acquisition_start, |
223 | .dev_acquisition_stop = dev_acquisition_stop, | |
823b4e58 MH |
224 | .priv = NULL, |
225 | }; |