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4fe9a6da | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
4fe9a6da | 3 | * |
13d8e03c | 4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> |
4fe9a6da BV |
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 | ||
0aba65da UH |
20 | #ifndef LIBSIGROK_HARDWARE_OPENBENCH_LOGIC_SNIFFER_PROTOCOL_H |
21 | #define LIBSIGROK_HARDWARE_OPENBENCH_LOGIC_SNIFFER_PROTOCOL_H | |
22 | ||
23 | #include <stdint.h> | |
24 | #include <string.h> | |
25 | #include <glib.h> | |
c1aae900 | 26 | #include <libsigrok/libsigrok.h> |
0aba65da | 27 | #include "libsigrok-internal.h" |
4fe9a6da | 28 | |
8dacbcf6 | 29 | #define LOG_PREFIX "openbench-logic-sniffer" |
a567547e | 30 | |
17dda6c5 | 31 | #define NUM_TRIGGER_STAGES 4 |
17dda6c5 UH |
32 | #define CLOCK_RATE SR_MHZ(100) |
33 | #define MIN_NUM_SAMPLES 4 | |
34 | #define DEFAULT_SAMPLERATE SR_KHZ(200) | |
4fe9a6da BV |
35 | |
36 | /* Command opcodes */ | |
37 | #define CMD_RESET 0x00 | |
38 | #define CMD_RUN 0x01 | |
39 | #define CMD_ID 0x02 | |
40 | #define CMD_METADATA 0x04 | |
4fe9a6da BV |
41 | #define CMD_SET_DIVIDER 0x80 |
42 | #define CMD_CAPTURE_SIZE 0x81 | |
a8811418 | 43 | #define CMD_SET_FLAGS 0x82 |
f6ce25ec WS |
44 | #define CMD_CAPTURE_DELAYCOUNT 0x83 /* extension for Pepino */ |
45 | #define CMD_CAPTURE_READCOUNT 0x84 /* extension for Pepino */ | |
016e72f3 BV |
46 | #define CMD_SET_TRIGGER_MASK 0xc0 |
47 | #define CMD_SET_TRIGGER_VALUE 0xc1 | |
48 | #define CMD_SET_TRIGGER_CONFIG 0xc2 | |
49 | ||
50 | /* Trigger config */ | |
51 | #define TRIGGER_START (1 << 3) | |
4fe9a6da | 52 | |
58a75642 | 53 | /* Bit mask used for "set flags" command (0x82) */ |
54 | /* Take care about bit positions in diagrams, they are inverted. */ | |
55 | #define CAPTURE_FLAG_RLEMODE1 (1 << 15) | |
56 | #define CAPTURE_FLAG_RLEMODE0 (1 << 14) | |
57 | #define CAPTURE_FLAG_RESERVED1 (1 << 13) | |
58 | #define CAPTURE_FLAG_RESERVED0 (1 << 12) | |
59 | #define CAPTURE_FLAG_INTERNAL_TEST_MODE (1 << 11) | |
60 | #define CAPTURE_FLAG_EXTERNAL_TEST_MODE (1 << 10) | |
61 | #define CAPTURE_FLAG_SWAP_CHANNELS (1 << 9) | |
62 | #define CAPTURE_FLAG_RLE (1 << 8) | |
63 | #define CAPTURE_FLAG_INVERT_EXT_CLOCK (1 << 7) | |
64 | #define CAPTURE_FLAG_CLOCK_EXTERNAL (1 << 6) | |
65 | #define CAPTURE_FLAG_DISABLE_CHANGROUP_4 (1 << 5) | |
66 | #define CAPTURE_FLAG_DISABLE_CHANGROUP_3 (1 << 4) | |
67 | #define CAPTURE_FLAG_DISABLE_CHANGROUP_2 (1 << 3) | |
68 | #define CAPTURE_FLAG_DISABLE_CHANGROUP_1 (1 << 2) | |
69 | #define CAPTURE_FLAG_NOISE_FILTER (1 << 1) | |
70 | #define CAPTURE_FLAG_DEMUX (1 << 0) | |
4fe9a6da | 71 | |
a2b1a53b | 72 | /* Capture context magic numbers */ |
73 | #define OLS_NO_TRIGGER (-1) | |
74 | ||
fefc4b85 | 75 | struct dev_context { |
0ccc6f7c | 76 | /* constant device properties: */ |
ba7dd8bb | 77 | int max_channels; |
4fe9a6da | 78 | uint32_t max_samples; |
bf256783 | 79 | uint32_t max_samplerate; |
4fe9a6da | 80 | uint32_t protocol_version; |
4fe9a6da | 81 | |
0ccc6f7c | 82 | /* acquisition-related properties: */ |
4fe9a6da BV |
83 | uint64_t cur_samplerate; |
84 | uint32_t cur_samplerate_divider; | |
85 | uint64_t limit_samples; | |
efad7ccc | 86 | uint64_t capture_ratio; |
a2b1a53b | 87 | int trigger_at_smpl; |
ba7dd8bb | 88 | uint32_t channel_mask; |
91fd0f72 BV |
89 | uint32_t trigger_mask[NUM_TRIGGER_STAGES]; |
90 | uint32_t trigger_value[NUM_TRIGGER_STAGES]; | |
4fe9a6da | 91 | int num_stages; |
a80bed76 | 92 | uint16_t capture_flags; |
4fe9a6da BV |
93 | |
94 | unsigned int num_transfers; | |
22130421 | 95 | unsigned int num_samples; |
4fe9a6da | 96 | int num_bytes; |
625763e2 BV |
97 | int cnt_bytes; |
98 | int cnt_samples; | |
99 | int cnt_samples_rle; | |
bf256783 | 100 | |
00d04d3b | 101 | unsigned int rle_count; |
4fe9a6da BV |
102 | unsigned char sample[4]; |
103 | unsigned char tmp_sample[4]; | |
104 | unsigned char *raw_sample_buf; | |
105 | }; | |
106 | ||
53cda65a | 107 | SR_PRIV extern const char *ols_channel_names[]; |
0aba65da UH |
108 | |
109 | SR_PRIV int send_shortcommand(struct sr_serial_dev_inst *serial, | |
110 | uint8_t command); | |
111 | SR_PRIV int send_longcommand(struct sr_serial_dev_inst *serial, | |
016e72f3 | 112 | uint8_t command, uint8_t *data); |
244995a2 | 113 | SR_PRIV int ols_send_reset(struct sr_serial_dev_inst *serial); |
91fd0f72 BV |
114 | SR_PRIV void ols_channel_mask(const struct sr_dev_inst *sdi); |
115 | SR_PRIV int ols_convert_trigger(const struct sr_dev_inst *sdi); | |
0aba65da UH |
116 | SR_PRIV struct dev_context *ols_dev_new(void); |
117 | SR_PRIV struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial); | |
118 | SR_PRIV int ols_set_samplerate(const struct sr_dev_inst *sdi, | |
e46aa4f6 | 119 | uint64_t samplerate); |
0aba65da UH |
120 | SR_PRIV void abort_acquisition(const struct sr_dev_inst *sdi); |
121 | SR_PRIV int ols_receive_data(int fd, int revents, void *cb_data); | |
122 | ||
0f8522bf | 123 | #endif |