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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2014 Bert Vermeulen <bert@biot.com> | |
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 | ||
20 | #ifndef LIBSIGROK_HARDWARE_SCPI_PPS_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_SCPI_PPS_PROTOCOL_H | |
22 | ||
23 | #include <stdint.h> | |
24 | #include <glib.h> | |
25 | #include <libsigrok/libsigrok.h> | |
26 | #include "libsigrok-internal.h" | |
27 | #include "scpi.h" | |
28 | ||
29 | #define LOG_PREFIX "scpi-pps" | |
30 | ||
31 | enum pps_scpi_cmds { | |
32 | SCPI_CMD_REMOTE, | |
33 | SCPI_CMD_LOCAL, | |
34 | SCPI_CMD_BEEPER, | |
35 | SCPI_CMD_BEEPER_ENABLE, | |
36 | SCPI_CMD_BEEPER_DISABLE, | |
37 | SCPI_CMD_SELECT_CHANNEL, | |
38 | SCPI_CMD_GET_MEAS_VOLTAGE, | |
39 | SCPI_CMD_GET_MEAS_CURRENT, | |
40 | SCPI_CMD_GET_MEAS_POWER, | |
41 | SCPI_CMD_GET_MEAS_FREQUENCY, | |
42 | SCPI_CMD_GET_VOLTAGE_TARGET, | |
43 | SCPI_CMD_SET_VOLTAGE_TARGET, | |
44 | SCPI_CMD_GET_FREQUENCY_TARGET, | |
45 | SCPI_CMD_SET_FREQUENCY_TARGET, | |
46 | SCPI_CMD_GET_CURRENT_LIMIT, | |
47 | SCPI_CMD_SET_CURRENT_LIMIT, | |
48 | SCPI_CMD_GET_OUTPUT_ENABLED, | |
49 | SCPI_CMD_SET_OUTPUT_ENABLE, | |
50 | SCPI_CMD_SET_OUTPUT_DISABLE, | |
51 | SCPI_CMD_GET_OUTPUT_REGULATION, | |
52 | SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION, | |
53 | SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_ENABLE, | |
54 | SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_DISABLE, | |
55 | SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED, | |
56 | SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLE, | |
57 | SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_DISABLE, | |
58 | SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE, | |
59 | SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD, | |
60 | SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, | |
61 | SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED, | |
62 | SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLE, | |
63 | SCPI_CMD_SET_OVER_CURRENT_PROTECTION_DISABLE, | |
64 | SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE, | |
65 | SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD, | |
66 | SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, | |
67 | }; | |
68 | ||
69 | /* | |
70 | * These are bit values denoting features a device can have either globally, | |
71 | * in scpi_pps.features, or on a per-channel-group basis in | |
72 | * channel_group_spec.features. | |
73 | */ | |
74 | enum pps_features { | |
75 | PPS_OTP = (1 << 0), | |
76 | PPS_OVP = (1 << 1), | |
77 | PPS_OCP = (1 << 2), | |
78 | PPS_INDEPENDENT = (1 << 3), | |
79 | PPS_SERIES = (1 << 4), | |
80 | PPS_PARALLEL = (1 << 5), | |
81 | }; | |
82 | ||
83 | struct scpi_pps { | |
84 | const char *vendor; | |
85 | const char *model; | |
86 | uint64_t features; | |
87 | const uint32_t *devopts; | |
88 | unsigned int num_devopts; | |
89 | const uint32_t *devopts_cg; | |
90 | unsigned int num_devopts_cg; | |
91 | const struct channel_spec *channels; | |
92 | unsigned int num_channels; | |
93 | const struct channel_group_spec *channel_groups; | |
94 | unsigned int num_channel_groups; | |
95 | const struct scpi_command *commands; | |
96 | int (*probe_channels) (struct sr_dev_inst *sdi, struct sr_scpi_hw_info *hwinfo, | |
97 | struct channel_spec **channels, unsigned int *num_channels, | |
98 | struct channel_group_spec **channel_groups, unsigned int *num_channel_groups); | |
99 | }; | |
100 | ||
101 | struct channel_spec { | |
102 | const char *name; | |
103 | /* Min, max, programming resolution. */ | |
104 | float voltage[3]; | |
105 | float current[3]; | |
106 | float frequency[3]; | |
107 | }; | |
108 | ||
109 | struct channel_group_spec { | |
110 | const char *name; | |
111 | uint64_t channel_index_mask; | |
112 | uint64_t features; | |
113 | }; | |
114 | ||
115 | struct pps_channel { | |
116 | int mq; | |
117 | unsigned int hw_output_idx; | |
118 | const char *hwname; | |
119 | }; | |
120 | ||
121 | struct pps_channel_instance { | |
122 | int mq; | |
123 | int command; | |
124 | const char *prefix; | |
125 | }; | |
126 | ||
127 | struct pps_channel_group { | |
128 | uint64_t features; | |
129 | }; | |
130 | ||
131 | enum acq_states { | |
132 | STATE_VOLTAGE, | |
133 | STATE_CURRENT, | |
134 | STATE_STOP, | |
135 | }; | |
136 | ||
137 | /** Private, per-device-instance driver context. */ | |
138 | struct dev_context { | |
139 | /* Model-specific information */ | |
140 | const struct scpi_pps *device; | |
141 | ||
142 | /* Acquisition settings */ | |
143 | void *cb_data; | |
144 | ||
145 | /* Operational state */ | |
146 | gboolean beeper_was_set; | |
147 | struct channel_spec *channels; | |
148 | struct channel_group_spec *channel_groups; | |
149 | ||
150 | /* Temporary state across callbacks */ | |
151 | struct sr_channel *cur_channel; | |
152 | }; | |
153 | ||
154 | SR_PRIV extern unsigned int num_pps_profiles; | |
155 | SR_PRIV extern const struct scpi_pps pps_profiles[]; | |
156 | ||
157 | SR_PRIV const char *get_vendor(const char *raw_vendor); | |
158 | SR_PRIV int select_channel(const struct sr_dev_inst *sdi, struct sr_channel *ch); | |
159 | SR_PRIV int scpi_pps_receive_data(int fd, int revents, void *cb_data); | |
160 | ||
161 | #endif |