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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 | ||
823b4e58 | 42 | SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info; |
823b4e58 | 43 | |
4f840ce9 | 44 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
823b4e58 | 45 | { |
c6a2843a | 46 | struct sr_dev_inst *sdi; |
823b4e58 | 47 | struct drv_context *drvc; |
c6a2843a | 48 | struct sr_config *src; |
c6a2843a MH |
49 | struct sr_serial_dev_inst *serial; |
50 | GSList *l, *devices; | |
51 | const char *conn, *serialcomm; | |
823b4e58 MH |
52 | |
53 | devices = NULL; | |
41812aca | 54 | drvc = di->context; |
823b4e58 | 55 | drvc->instances = NULL; |
c6a2843a MH |
56 | conn = serialcomm = NULL; |
57 | ||
58 | for (l = options; l; l = l->next) { | |
59 | src = l->data; | |
60 | switch (src->key) { | |
61 | case SR_CONF_CONN: | |
62 | conn = g_variant_get_string(src->data, NULL); | |
63 | break; | |
64 | case SR_CONF_SERIALCOMM: | |
65 | serialcomm = g_variant_get_string(src->data, NULL); | |
66 | break; | |
67 | } | |
68 | } | |
69 | if (!conn) | |
70 | return NULL; | |
71 | if (!serialcomm) | |
72 | serialcomm = SERIALCOMM; | |
73 | ||
0294a409 UH |
74 | /* |
75 | * We cannot scan for this device because it is write-only. | |
c6a2843a | 76 | * So just check that the port parameters are valid and assume that |
0294a409 UH |
77 | * the device is there. |
78 | */ | |
c6a2843a | 79 | |
91219afc | 80 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
c6a2843a | 81 | |
0ac161bb | 82 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
c6a2843a | 83 | return NULL; |
823b4e58 | 84 | |
c6a2843a MH |
85 | serial_flush(serial); |
86 | serial_close(serial); | |
87 | ||
0294a409 | 88 | sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn); |
c6a2843a | 89 | |
aac29cc1 | 90 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
45884333 | 91 | sdi->status = SR_ST_INACTIVE; |
0af636be UH |
92 | sdi->vendor = g_strdup("Conrad"); |
93 | sdi->model = g_strdup("DIGI 35 CPU"); | |
c6a2843a MH |
94 | sdi->conn = serial; |
95 | sdi->priv = NULL; | |
96 | sdi->driver = di; | |
5e23fcab | 97 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1"); |
c6a2843a MH |
98 | drvc->instances = g_slist_append(drvc->instances, sdi); |
99 | devices = g_slist_append(devices, sdi); | |
823b4e58 MH |
100 | |
101 | return devices; | |
102 | } | |
103 | ||
584560f1 | 104 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 105 | const struct sr_channel_group *cg) |
823b4e58 MH |
106 | { |
107 | int ret; | |
c6a2843a | 108 | double dblval; |
823b4e58 | 109 | |
53b4680f | 110 | (void)cg; |
823b4e58 MH |
111 | |
112 | if (sdi->status != SR_ST_ACTIVE) | |
113 | return SR_ERR_DEV_CLOSED; | |
114 | ||
823b4e58 | 115 | switch (key) { |
7a0b98b5 | 116 | case SR_CONF_VOLTAGE: |
c6a2843a MH |
117 | dblval = g_variant_get_double(data); |
118 | if ((dblval < 0.0) || (dblval > 35.0)) { | |
119 | sr_err("Voltage out of range (0 - 35.0)!"); | |
120 | return SR_ERR_ARG; | |
121 | } | |
122 | ret = send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5)); | |
123 | break; | |
7a0b98b5 | 124 | case SR_CONF_CURRENT: |
c6a2843a MH |
125 | dblval = g_variant_get_double(data); |
126 | if ((dblval < 0.01) || (dblval > 2.55)) { | |
127 | sr_err("Current out of range (0 - 2.55)!"); | |
128 | return SR_ERR_ARG; | |
129 | } | |
130 | ret = send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5)); | |
131 | break; | |
a1eaa9e0 | 132 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: |
c6a2843a MH |
133 | if (g_variant_get_boolean(data)) |
134 | ret = send_msg1(sdi, 'V', 900); | |
135 | else /* Constant current mode */ | |
136 | ret = send_msg1(sdi, 'V', 901); | |
137 | break; | |
823b4e58 MH |
138 | default: |
139 | ret = SR_ERR_NA; | |
140 | } | |
141 | ||
142 | return ret; | |
143 | } | |
144 | ||
584560f1 | 145 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 146 | const struct sr_channel_group *cg) |
823b4e58 MH |
147 | { |
148 | int ret; | |
149 | ||
150 | (void)sdi; | |
53b4680f | 151 | (void)cg; |
823b4e58 MH |
152 | |
153 | ret = SR_OK; | |
154 | switch (key) { | |
c6a2843a | 155 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 156 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 157 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
c6a2843a MH |
158 | break; |
159 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 160 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 161 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
c6a2843a | 162 | break; |
823b4e58 MH |
163 | default: |
164 | return SR_ERR_NA; | |
165 | } | |
166 | ||
167 | return ret; | |
168 | } | |
169 | ||
695dc859 | 170 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
823b4e58 | 171 | { |
823b4e58 MH |
172 | if (sdi->status != SR_ST_ACTIVE) |
173 | return SR_ERR_DEV_CLOSED; | |
174 | ||
823b4e58 MH |
175 | return SR_OK; |
176 | } | |
177 | ||
695dc859 | 178 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
823b4e58 | 179 | { |
823b4e58 MH |
180 | if (sdi->status != SR_ST_ACTIVE) |
181 | return SR_ERR_DEV_CLOSED; | |
182 | ||
823b4e58 MH |
183 | return SR_OK; |
184 | } | |
185 | ||
186 | SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info = { | |
187 | .name = "conrad-digi-35-cpu", | |
188 | .longname = "Conrad DIGI 35 CPU", | |
189 | .api_version = 1, | |
c2fdcc25 | 190 | .init = std_init, |
700d6b64 | 191 | .cleanup = std_cleanup, |
823b4e58 | 192 | .scan = scan, |
c01bf34c | 193 | .dev_list = std_dev_list, |
a6630742 | 194 | .dev_clear = NULL, |
c6a2843a | 195 | .config_get = NULL, |
823b4e58 MH |
196 | .config_set = config_set, |
197 | .config_list = config_list, | |
c6a2843a MH |
198 | .dev_open = std_serial_dev_open, |
199 | .dev_close = std_serial_dev_close, | |
0294a409 UH |
200 | .dev_acquisition_start = dev_acquisition_start, |
201 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 202 | .context = NULL, |
823b4e58 | 203 | }; |