2 * This file is part of the sigrok project.
4 * Copyright (C) 2011 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/>.
25 #define NUM_TRIGGER_STAGES 4
26 #define TRIGGER_TYPES "01"
27 #define SERIAL_SPEED B115200
28 #define CLOCK_RATE SR_MHZ(100)
29 #define MIN_NUM_SAMPLES 4
32 #define CMD_RESET 0x00
35 #define CMD_METADATA 0x04
36 #define CMD_SET_FLAGS 0x82
37 #define CMD_SET_DIVIDER 0x80
38 #define CMD_CAPTURE_SIZE 0x81
39 #define CMD_SET_TRIGGER_MASK_0 0xc0
40 #define CMD_SET_TRIGGER_MASK_1 0xc4
41 #define CMD_SET_TRIGGER_MASK_2 0xc8
42 #define CMD_SET_TRIGGER_MASK_3 0xcc
43 #define CMD_SET_TRIGGER_VALUE_0 0xc1
44 #define CMD_SET_TRIGGER_VALUE_1 0xc5
45 #define CMD_SET_TRIGGER_VALUE_2 0xc9
46 #define CMD_SET_TRIGGER_VALUE_3 0xcd
47 #define CMD_SET_TRIGGER_CONFIG_0 0xc2
48 #define CMD_SET_TRIGGER_CONFIG_1 0xc6
49 #define CMD_SET_TRIGGER_CONFIG_2 0xca
50 #define CMD_SET_TRIGGER_CONFIG_3 0xce
52 /* Bitmasks for CMD_FLAGS */
53 #define FLAG_DEMUX 0x01
54 #define FLAG_FILTER 0x02
55 #define FLAG_CHANNELGROUP_1 0x04
56 #define FLAG_CHANNELGROUP_2 0x08
57 #define FLAG_CHANNELGROUP_3 0x10
58 #define FLAG_CHANNELGROUP_4 0x20
59 #define FLAG_CLOCK_EXTERNAL 0x40
60 #define FLAG_CLOCK_INVERTED 0x80
61 #define FLAG_RLE 0x0100
65 uint32_t max_samplerate;
67 uint32_t protocol_version;
70 uint64_t cur_samplerate;
71 uint32_t cur_samplerate_divider;
72 uint64_t limit_samples;
73 /* Current state of the flag register */
76 /* Pre/post trigger capture ratio, in percentage.
77 * 0 means no pre-trigger data. */
81 uint32_t trigger_mask[4];
82 uint32_t trigger_value[4];
85 unsigned int num_transfers;
88 unsigned char sample[4];
89 unsigned char tmp_sample[4];
90 unsigned char *raw_sample_buf;