2 * This file is part of the libsigrok project.
4 * Copyright (C) 2020 Florian Schmidt <schmidt_florian@gmx.de>
5 * Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se>
6 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
7 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
9 * This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #ifndef LIBSIGROK_HARDWARE_KINGST_LA2016_PROTOCOL_H
24 #define LIBSIGROK_HARDWARE_KINGST_LA2016_PROTOCOL_H
28 #include <libsigrok/libsigrok.h>
29 #include "libsigrok-internal.h"
31 #define LOG_PREFIX "kingst-la2016"
33 #define LA2016_VID 0x77a1
34 #define LA2016_PID 0x01a2
35 #define USB_INTERFACE 0
36 #define USB_CONFIGURATION 1
38 #define LA2016_BULK_MAX 8388608
40 #define MAX_RENUM_DELAY_MS 3000
41 #define DEFAULT_TIMEOUT_MS 200
43 #define LA2016_THR_VOLTAGE_MIN 0.40
44 #define LA2016_THR_VOLTAGE_MAX 4.00
46 #define LA2016_NUM_SAMPLES_MIN 256
47 #define LA2016_NUM_SAMPLES_MAX (10UL * 1000 * 1000 * 1000)
49 typedef struct pwm_setting_dev {
54 typedef struct trigger_cfg {
58 uint32_t high_or_falling;
61 typedef struct capture_info {
62 uint32_t n_rep_packets;
63 uint32_t n_rep_packets_before_trigger;
67 #define NUM_PACKETS_IN_CHUNK 5
68 #define TRANSFER_PACKET_LENGTH 16
70 typedef struct pwm_setting {
77 struct sr_context *ctx;
80 pwm_setting_t pwm_setting[2];
81 unsigned int threshold_voltage_idx;
82 float threshold_voltage;
83 uint64_t max_samplerate;
84 uint64_t cur_samplerate;
85 uint64_t limit_samples;
86 uint64_t capture_ratio;
87 uint16_t cur_channels;
90 uint32_t bitstream_size;
93 uint64_t pre_trigger_size;
95 /* state after sampling */
96 int had_triggers_configured;
98 int transfer_finished;
100 unsigned int n_transfer_packets_to_read; /* each with 5 acq packets */
101 unsigned int n_bytes_to_read;
102 unsigned int n_reps_until_trigger;
103 unsigned int reading_behind_trigger;
104 uint64_t total_samples;
107 unsigned int convbuffer_size;
109 struct libusb_transfer *transfer;
112 SR_PRIV int la2016_upload_firmware(struct sr_context *sr_ctx, libusb_device *dev, uint16_t product_id);
113 SR_PRIV int la2016_setup_acquisition(const struct sr_dev_inst *sdi);
114 SR_PRIV int la2016_start_acquisition(const struct sr_dev_inst *sdi);
115 SR_PRIV int la2016_stop_acquisition(const struct sr_dev_inst *sdi);
116 SR_PRIV int la2016_abort_acquisition(const struct sr_dev_inst *sdi);
117 SR_PRIV int la2016_has_triggered(const struct sr_dev_inst *sdi);
118 SR_PRIV int la2016_start_retrieval(const struct sr_dev_inst *sdi, libusb_transfer_cb_fn cb);
119 SR_PRIV int la2016_init_device(const struct sr_dev_inst *sdi);
120 SR_PRIV int la2016_deinit_device(const struct sr_dev_inst *sdi);