2 * This file is part of the libsigrok project.
4 * Copyright (C) 2014 Bert Vermeulen <bert@biot.com>
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.
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.
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/>.
20 #ifndef LIBSIGROK_HARDWARE_ATTEN_PPS3XXX_PROTOCOL_H
21 #define LIBSIGROK_HARDWARE_ATTEN_PPS3XXX_PROTOCOL_H
25 #include <libsigrok/libsigrok.h>
26 #include "libsigrok-internal.h"
28 #define LOG_PREFIX "atten-pps3xxx"
30 /* Packets to/from the device. */
31 #define PACKET_SIZE 24
42 /* Maximum number of output channels handled by this driver. */
43 #define MAX_CHANNELS 3
45 #define CHANMODE_INDEPENDENT 1 << 0
46 #define CHANMODE_SERIES 1 << 1
47 #define CHANMODE_PARALLEL 1 << 2
60 struct channel_spec channels[MAX_CHANNELS];
63 struct per_channel_config {
64 /* Received from device. */
65 gdouble output_voltage_last;
66 gdouble output_current_last;
67 gboolean output_enabled;
68 /* Set by frontend. */
69 gdouble output_voltage_max;
70 gdouble output_current_max;
71 gboolean output_enabled_set;
74 /** Private, per-device-instance driver context. */
76 /* Model-specific information */
77 const struct pps_model *model;
79 /* Acquisition state */
80 gboolean acquisition_running;
82 /* Operational state */
83 gboolean config_dirty;
84 struct per_channel_config *config;
85 /* Blocking write timeout for packet. */
87 /* Received from device. */
89 gboolean over_current_protection;
90 /* Set by frontend. */
92 gboolean over_current_protection_set;
94 /* Temporary state across callbacks */
95 uint8_t packet[PACKET_SIZE];
100 SR_PRIV int atten_pps3xxx_receive_data(int fd, int revents, void *cb_data);
101 SR_PRIV void send_packet(const struct sr_dev_inst *sdi, uint8_t *packet);
102 SR_PRIV void send_config(const struct sr_dev_inst *sdi);