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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 | ||
6ec6c43b | 20 | #include <config.h> |
823b4e58 MH |
21 | #include "protocol.h" |
22 | ||
0294a409 UH |
23 | #define SERIALCOMM "9600/8n1" |
24 | ||
a0e0bb41 | 25 | static const uint32_t scanopts[] = { |
c6a2843a MH |
26 | SR_CONF_CONN, |
27 | SR_CONF_SERIALCOMM, | |
28 | }; | |
29 | ||
05199c0a | 30 | static const uint32_t drvopts[] = { |
c6a2843a | 31 | SR_CONF_POWER_SUPPLY, |
05199c0a UH |
32 | }; |
33 | ||
34 | static const uint32_t devopts[] = { | |
7a0b98b5 AJ |
35 | SR_CONF_VOLTAGE | SR_CONF_SET, |
36 | SR_CONF_CURRENT | SR_CONF_SET, | |
5827f61b | 37 | SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_SET, |
c6a2843a MH |
38 | }; |
39 | ||
4f840ce9 | 40 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
823b4e58 | 41 | { |
c6a2843a | 42 | struct sr_dev_inst *sdi; |
c6a2843a | 43 | struct sr_config *src; |
c6a2843a | 44 | struct sr_serial_dev_inst *serial; |
43376f33 | 45 | GSList *l; |
c6a2843a | 46 | const char *conn, *serialcomm; |
823b4e58 | 47 | |
c6a2843a MH |
48 | conn = serialcomm = NULL; |
49 | ||
50 | for (l = options; l; l = l->next) { | |
51 | src = l->data; | |
52 | switch (src->key) { | |
53 | case SR_CONF_CONN: | |
54 | conn = g_variant_get_string(src->data, NULL); | |
55 | break; | |
56 | case SR_CONF_SERIALCOMM: | |
57 | serialcomm = g_variant_get_string(src->data, NULL); | |
58 | break; | |
59 | } | |
60 | } | |
61 | if (!conn) | |
62 | return NULL; | |
63 | if (!serialcomm) | |
64 | serialcomm = SERIALCOMM; | |
65 | ||
0294a409 UH |
66 | /* |
67 | * We cannot scan for this device because it is write-only. | |
c6a2843a | 68 | * So just check that the port parameters are valid and assume that |
0294a409 UH |
69 | * the device is there. |
70 | */ | |
c6a2843a | 71 | |
91219afc | 72 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
c6a2843a | 73 | |
0ac161bb | 74 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
c6a2843a | 75 | return NULL; |
823b4e58 | 76 | |
c6a2843a MH |
77 | serial_flush(serial); |
78 | serial_close(serial); | |
79 | ||
0294a409 | 80 | sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn); |
c6a2843a | 81 | |
aac29cc1 | 82 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
45884333 | 83 | sdi->status = SR_ST_INACTIVE; |
0af636be UH |
84 | sdi->vendor = g_strdup("Conrad"); |
85 | sdi->model = g_strdup("DIGI 35 CPU"); | |
c6a2843a MH |
86 | sdi->conn = serial; |
87 | sdi->priv = NULL; | |
5e23fcab | 88 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1"); |
823b4e58 | 89 | |
43376f33 | 90 | return std_scan_complete(di, g_slist_append(NULL, sdi)); |
823b4e58 MH |
91 | } |
92 | ||
584560f1 | 93 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 94 | const struct sr_channel_group *cg) |
823b4e58 MH |
95 | { |
96 | int ret; | |
c6a2843a | 97 | double dblval; |
823b4e58 | 98 | |
53b4680f | 99 | (void)cg; |
823b4e58 | 100 | |
823b4e58 | 101 | switch (key) { |
7a0b98b5 | 102 | case SR_CONF_VOLTAGE: |
c6a2843a MH |
103 | dblval = g_variant_get_double(data); |
104 | if ((dblval < 0.0) || (dblval > 35.0)) { | |
105 | sr_err("Voltage out of range (0 - 35.0)!"); | |
106 | return SR_ERR_ARG; | |
107 | } | |
108 | ret = send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5)); | |
109 | break; | |
7a0b98b5 | 110 | case SR_CONF_CURRENT: |
c6a2843a MH |
111 | dblval = g_variant_get_double(data); |
112 | if ((dblval < 0.01) || (dblval > 2.55)) { | |
113 | sr_err("Current out of range (0 - 2.55)!"); | |
114 | return SR_ERR_ARG; | |
115 | } | |
116 | ret = send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5)); | |
117 | break; | |
a1eaa9e0 | 118 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: |
c6a2843a MH |
119 | if (g_variant_get_boolean(data)) |
120 | ret = send_msg1(sdi, 'V', 900); | |
121 | else /* Constant current mode */ | |
122 | ret = send_msg1(sdi, 'V', 901); | |
123 | break; | |
823b4e58 MH |
124 | default: |
125 | ret = SR_ERR_NA; | |
126 | } | |
127 | ||
128 | return ret; | |
129 | } | |
130 | ||
584560f1 | 131 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 132 | const struct sr_channel_group *cg) |
823b4e58 | 133 | { |
05199c0a | 134 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
823b4e58 MH |
135 | } |
136 | ||
dd5c48a6 | 137 | static struct sr_dev_driver conrad_digi_35_cpu_driver_info = { |
823b4e58 MH |
138 | .name = "conrad-digi-35-cpu", |
139 | .longname = "Conrad DIGI 35 CPU", | |
140 | .api_version = 1, | |
c2fdcc25 | 141 | .init = std_init, |
700d6b64 | 142 | .cleanup = std_cleanup, |
823b4e58 | 143 | .scan = scan, |
c01bf34c | 144 | .dev_list = std_dev_list, |
f778bf02 | 145 | .dev_clear = std_dev_clear, |
c6a2843a | 146 | .config_get = NULL, |
823b4e58 MH |
147 | .config_set = config_set, |
148 | .config_list = config_list, | |
c6a2843a MH |
149 | .dev_open = std_serial_dev_open, |
150 | .dev_close = std_serial_dev_close, | |
4d67b9d9 UH |
151 | .dev_acquisition_start = std_dummy_dev_acquisition_start, |
152 | .dev_acquisition_stop = std_dummy_dev_acquisition_stop, | |
41812aca | 153 | .context = NULL, |
823b4e58 | 154 | }; |
dd5c48a6 | 155 | SR_REGISTER_DEV_DRIVER(conrad_digi_35_cpu_driver_info); |