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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 | ||
6ec6c43b | 25 | #include <config.h> |
823b4e58 MH |
26 | #include "protocol.h" |
27 | ||
0294a409 UH |
28 | #define SERIALCOMM "9600/8n1" |
29 | ||
a0e0bb41 | 30 | static const uint32_t scanopts[] = { |
c6a2843a MH |
31 | SR_CONF_CONN, |
32 | SR_CONF_SERIALCOMM, | |
33 | }; | |
34 | ||
f254bc4b | 35 | static const uint32_t devopts[] = { |
c6a2843a | 36 | SR_CONF_POWER_SUPPLY, |
7a0b98b5 AJ |
37 | SR_CONF_VOLTAGE | SR_CONF_SET, |
38 | SR_CONF_CURRENT | SR_CONF_SET, | |
5827f61b | 39 | SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_SET, |
c6a2843a MH |
40 | }; |
41 | ||
4f840ce9 | 42 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
823b4e58 | 43 | { |
c6a2843a | 44 | struct sr_dev_inst *sdi; |
823b4e58 | 45 | struct drv_context *drvc; |
c6a2843a | 46 | struct sr_config *src; |
c6a2843a MH |
47 | struct sr_serial_dev_inst *serial; |
48 | GSList *l, *devices; | |
49 | const char *conn, *serialcomm; | |
823b4e58 MH |
50 | |
51 | devices = NULL; | |
41812aca | 52 | drvc = di->context; |
c6a2843a MH |
53 | conn = serialcomm = NULL; |
54 | ||
55 | for (l = options; l; l = l->next) { | |
56 | src = l->data; | |
57 | switch (src->key) { | |
58 | case SR_CONF_CONN: | |
59 | conn = g_variant_get_string(src->data, NULL); | |
60 | break; | |
61 | case SR_CONF_SERIALCOMM: | |
62 | serialcomm = g_variant_get_string(src->data, NULL); | |
63 | break; | |
64 | } | |
65 | } | |
66 | if (!conn) | |
67 | return NULL; | |
68 | if (!serialcomm) | |
69 | serialcomm = SERIALCOMM; | |
70 | ||
0294a409 UH |
71 | /* |
72 | * We cannot scan for this device because it is write-only. | |
c6a2843a | 73 | * So just check that the port parameters are valid and assume that |
0294a409 UH |
74 | * the device is there. |
75 | */ | |
c6a2843a | 76 | |
91219afc | 77 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
c6a2843a | 78 | |
0ac161bb | 79 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
c6a2843a | 80 | return NULL; |
823b4e58 | 81 | |
c6a2843a MH |
82 | serial_flush(serial); |
83 | serial_close(serial); | |
84 | ||
0294a409 | 85 | sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn); |
c6a2843a | 86 | |
aac29cc1 | 87 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
45884333 | 88 | sdi->status = SR_ST_INACTIVE; |
0af636be UH |
89 | sdi->vendor = g_strdup("Conrad"); |
90 | sdi->model = g_strdup("DIGI 35 CPU"); | |
c6a2843a MH |
91 | sdi->conn = serial; |
92 | sdi->priv = NULL; | |
5e23fcab | 93 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1"); |
c6a2843a | 94 | devices = g_slist_append(devices, sdi); |
823b4e58 | 95 | |
15a5bfe4 | 96 | return std_scan_complete(di, devices); |
823b4e58 MH |
97 | } |
98 | ||
584560f1 | 99 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 100 | const struct sr_channel_group *cg) |
823b4e58 MH |
101 | { |
102 | int ret; | |
c6a2843a | 103 | double dblval; |
823b4e58 | 104 | |
53b4680f | 105 | (void)cg; |
823b4e58 MH |
106 | |
107 | if (sdi->status != SR_ST_ACTIVE) | |
108 | return SR_ERR_DEV_CLOSED; | |
109 | ||
823b4e58 | 110 | switch (key) { |
7a0b98b5 | 111 | case SR_CONF_VOLTAGE: |
c6a2843a MH |
112 | dblval = g_variant_get_double(data); |
113 | if ((dblval < 0.0) || (dblval > 35.0)) { | |
114 | sr_err("Voltage out of range (0 - 35.0)!"); | |
115 | return SR_ERR_ARG; | |
116 | } | |
117 | ret = send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5)); | |
118 | break; | |
7a0b98b5 | 119 | case SR_CONF_CURRENT: |
c6a2843a MH |
120 | dblval = g_variant_get_double(data); |
121 | if ((dblval < 0.01) || (dblval > 2.55)) { | |
122 | sr_err("Current out of range (0 - 2.55)!"); | |
123 | return SR_ERR_ARG; | |
124 | } | |
125 | ret = send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5)); | |
126 | break; | |
a1eaa9e0 | 127 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: |
c6a2843a MH |
128 | if (g_variant_get_boolean(data)) |
129 | ret = send_msg1(sdi, 'V', 900); | |
130 | else /* Constant current mode */ | |
131 | ret = send_msg1(sdi, 'V', 901); | |
132 | break; | |
823b4e58 MH |
133 | default: |
134 | ret = SR_ERR_NA; | |
135 | } | |
136 | ||
137 | return ret; | |
138 | } | |
139 | ||
584560f1 | 140 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 141 | const struct sr_channel_group *cg) |
823b4e58 MH |
142 | { |
143 | int ret; | |
144 | ||
145 | (void)sdi; | |
53b4680f | 146 | (void)cg; |
823b4e58 MH |
147 | |
148 | ret = SR_OK; | |
149 | switch (key) { | |
c6a2843a | 150 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 151 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 152 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
c6a2843a MH |
153 | break; |
154 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 155 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 156 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
c6a2843a | 157 | break; |
823b4e58 MH |
158 | default: |
159 | return SR_ERR_NA; | |
160 | } | |
161 | ||
162 | return ret; | |
163 | } | |
164 | ||
695dc859 | 165 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
823b4e58 | 166 | { |
823b4e58 MH |
167 | if (sdi->status != SR_ST_ACTIVE) |
168 | return SR_ERR_DEV_CLOSED; | |
169 | ||
823b4e58 MH |
170 | return SR_OK; |
171 | } | |
172 | ||
695dc859 | 173 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
823b4e58 | 174 | { |
823b4e58 MH |
175 | if (sdi->status != SR_ST_ACTIVE) |
176 | return SR_ERR_DEV_CLOSED; | |
177 | ||
823b4e58 MH |
178 | return SR_OK; |
179 | } | |
180 | ||
dd5c48a6 | 181 | static struct sr_dev_driver conrad_digi_35_cpu_driver_info = { |
823b4e58 MH |
182 | .name = "conrad-digi-35-cpu", |
183 | .longname = "Conrad DIGI 35 CPU", | |
184 | .api_version = 1, | |
c2fdcc25 | 185 | .init = std_init, |
700d6b64 | 186 | .cleanup = std_cleanup, |
823b4e58 | 187 | .scan = scan, |
c01bf34c | 188 | .dev_list = std_dev_list, |
a6630742 | 189 | .dev_clear = NULL, |
c6a2843a | 190 | .config_get = NULL, |
823b4e58 MH |
191 | .config_set = config_set, |
192 | .config_list = config_list, | |
c6a2843a MH |
193 | .dev_open = std_serial_dev_open, |
194 | .dev_close = std_serial_dev_close, | |
0294a409 UH |
195 | .dev_acquisition_start = dev_acquisition_start, |
196 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 197 | .context = NULL, |
823b4e58 | 198 | }; |
dd5c48a6 | 199 | SR_REGISTER_DEV_DRIVER(conrad_digi_35_cpu_driver_info); |