2 * This file is part of the libsigrok project.
4 * Copyright (C) 2018 James Churchill <pelrun@gmail.com>
5 * Copyright (C) 2019 Frank Stettner <frank-stettner@gmx.net>
6 * Copyright (C) 2021 Gerhard Sittig <gerhard.sittig@gmx.net>
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #ifndef LIBSIGROK_HARDWARE_RDTECH_DPS_PROTOCOL_H
23 #define LIBSIGROK_HARDWARE_RDTECH_DPS_PROTOCOL_H
28 #include <libsigrok/libsigrok.h>
31 #include "libsigrok-internal.h"
33 #define LOG_PREFIX "rdtech-dps"
35 enum rdtech_dps_model_type {
41 struct rdtech_dps_range {
42 const char *range_str;
43 unsigned int max_current;
44 unsigned int max_voltage;
45 unsigned int max_power;
46 unsigned int current_digits;
47 unsigned int voltage_digits;
50 struct rdtech_dps_model {
51 enum rdtech_dps_model_type model_type;
54 struct rdtech_dps_range *ranges;
55 unsigned int n_ranges;
59 const struct rdtech_dps_model *model;
60 double current_multiplier;
61 double voltage_multiplier;
62 struct sr_sw_limits limits;
64 gboolean curr_ovp_state;
65 gboolean curr_ocp_state;
66 gboolean curr_cc_state;
67 gboolean curr_out_state;
68 unsigned int curr_range;
69 gboolean acquisition_started;
72 /* Container to get and set parameter values. */
73 struct rdtech_dps_state {
74 enum rdtech_dps_state_mask {
76 STATE_OUTPUT_ENABLED = 1 << 1,
77 STATE_REGULATION_CC = 1 << 2,
78 STATE_PROTECT_OVP = 1 << 3,
79 STATE_PROTECT_OCP = 1 << 4,
80 STATE_PROTECT_ENABLED = 1 << 5,
81 STATE_VOLTAGE_TARGET = 1 << 6,
82 STATE_CURRENT_LIMIT = 1 << 7,
83 STATE_OVP_THRESHOLD = 1 << 8,
84 STATE_OCP_THRESHOLD = 1 << 9,
85 STATE_VOLTAGE = 1 << 10,
86 STATE_CURRENT = 1 << 11,
87 STATE_POWER = 1 << 12,
88 STATE_RANGE = 1 << 13,
91 gboolean output_enabled, regulation_cc;
92 gboolean protect_ovp, protect_ocp, protect_enabled;
93 float voltage_target, current_limit;
94 float ovp_threshold, ocp_threshold;
95 float voltage, current, power;
99 enum rdtech_dps_state_context {
105 SR_PRIV int rdtech_dps_get_state(const struct sr_dev_inst *sdi,
106 struct rdtech_dps_state *state, enum rdtech_dps_state_context reason);
107 SR_PRIV int rdtech_dps_set_state(const struct sr_dev_inst *sdi,
108 struct rdtech_dps_state *state);
110 SR_PRIV int rdtech_dps_get_model_version(struct sr_modbus_dev_inst *modbus,
111 enum rdtech_dps_model_type model_type,
112 uint16_t *model, uint16_t *version, uint32_t *serno);
113 SR_PRIV void rdtech_dps_update_multipliers(const struct sr_dev_inst *sdi);
114 SR_PRIV int rdtech_dps_update_range(const struct sr_dev_inst *sdi);
115 SR_PRIV int rdtech_dps_seed_receive(const struct sr_dev_inst *sdi);
116 SR_PRIV int rdtech_dps_receive_data(int fd, int revents, void *cb_data);