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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> | |
26 | #include "libsigrok.h" | |
27 | #include "libsigrok-internal.h" | |
4fe9a6da | 28 | |
3544f848 | 29 | #define LOG_PREFIX "ols" |
a567547e | 30 | |
3f239f08 | 31 | #define NUM_CHANNELS 32 |
4fe9a6da | 32 | #define NUM_TRIGGER_STAGES 4 |
4fe9a6da BV |
33 | #define SERIAL_SPEED B115200 |
34 | #define CLOCK_RATE SR_MHZ(100) | |
35 | #define MIN_NUM_SAMPLES 4 | |
bf256783 | 36 | #define DEFAULT_SAMPLERATE SR_KHZ(200) |
4fe9a6da BV |
37 | |
38 | /* Command opcodes */ | |
39 | #define CMD_RESET 0x00 | |
40 | #define CMD_RUN 0x01 | |
967760a8 | 41 | #define CMD_TESTMODE 0x03 |
4fe9a6da BV |
42 | #define CMD_ID 0x02 |
43 | #define CMD_METADATA 0x04 | |
44 | #define CMD_SET_FLAGS 0x82 | |
45 | #define CMD_SET_DIVIDER 0x80 | |
46 | #define CMD_CAPTURE_SIZE 0x81 | |
016e72f3 BV |
47 | #define CMD_SET_TRIGGER_MASK 0xc0 |
48 | #define CMD_SET_TRIGGER_VALUE 0xc1 | |
49 | #define CMD_SET_TRIGGER_CONFIG 0xc2 | |
50 | ||
51 | /* Trigger config */ | |
52 | #define TRIGGER_START (1 << 3) | |
4fe9a6da BV |
53 | |
54 | /* Bitmasks for CMD_FLAGS */ | |
016e72f3 BV |
55 | /* 12-13 unused, 14-15 RLE mode (we hardcode mode 0). */ |
56 | #define FLAG_INTERNAL_TEST_MODE (1 << 11) | |
57 | #define FLAG_EXTERNAL_TEST_MODE (1 << 10) | |
3f239f08 | 58 | #define FLAG_SWAP_CHANNELS (1 << 9) |
016e72f3 BV |
59 | #define FLAG_RLE (1 << 8) |
60 | #define FLAG_SLOPE_FALLING (1 << 7) | |
61 | #define FLAG_CLOCK_EXTERNAL (1 << 6) | |
62 | #define FLAG_CHANNELGROUP_4 (1 << 5) | |
63 | #define FLAG_CHANNELGROUP_3 (1 << 4) | |
64 | #define FLAG_CHANNELGROUP_2 (1 << 3) | |
65 | #define FLAG_CHANNELGROUP_1 (1 << 2) | |
66 | #define FLAG_FILTER (1 << 1) | |
67 | #define FLAG_DEMUX (1 << 0) | |
4fe9a6da | 68 | |
ea9cfed7 | 69 | /* Private, per-device-instance driver context. */ |
fefc4b85 | 70 | struct dev_context { |
bf256783 | 71 | /* Fixed device settings */ |
ba7dd8bb | 72 | int max_channels; |
4fe9a6da | 73 | uint32_t max_samples; |
bf256783 | 74 | uint32_t max_samplerate; |
4fe9a6da | 75 | uint32_t protocol_version; |
4fe9a6da | 76 | |
bf256783 | 77 | /* Acquisition settings */ |
4fe9a6da BV |
78 | uint64_t cur_samplerate; |
79 | uint32_t cur_samplerate_divider; | |
80 | uint64_t limit_samples; | |
4fe9a6da BV |
81 | int capture_ratio; |
82 | int trigger_at; | |
ba7dd8bb | 83 | uint32_t channel_mask; |
91fd0f72 BV |
84 | uint32_t trigger_mask[NUM_TRIGGER_STAGES]; |
85 | uint32_t trigger_value[NUM_TRIGGER_STAGES]; | |
4fe9a6da | 86 | int num_stages; |
016e72f3 | 87 | uint16_t flag_reg; |
4fe9a6da | 88 | |
bf256783 | 89 | /* Operational states */ |
4fe9a6da | 90 | unsigned int num_transfers; |
22130421 | 91 | unsigned int num_samples; |
4fe9a6da | 92 | int num_bytes; |
625763e2 BV |
93 | int cnt_bytes; |
94 | int cnt_samples; | |
95 | int cnt_samples_rle; | |
bf256783 BV |
96 | |
97 | /* Temporary variables */ | |
00d04d3b | 98 | unsigned int rle_count; |
4fe9a6da BV |
99 | unsigned char sample[4]; |
100 | unsigned char tmp_sample[4]; | |
101 | unsigned char *raw_sample_buf; | |
102 | }; | |
103 | ||
0aba65da | 104 | |
3f239f08 | 105 | SR_PRIV extern const char *ols_channel_names[NUM_CHANNELS + 1]; |
0aba65da UH |
106 | |
107 | SR_PRIV int send_shortcommand(struct sr_serial_dev_inst *serial, | |
108 | uint8_t command); | |
109 | SR_PRIV int send_longcommand(struct sr_serial_dev_inst *serial, | |
016e72f3 | 110 | uint8_t command, uint8_t *data); |
91fd0f72 BV |
111 | SR_PRIV void ols_channel_mask(const struct sr_dev_inst *sdi); |
112 | SR_PRIV int ols_convert_trigger(const struct sr_dev_inst *sdi); | |
0aba65da UH |
113 | SR_PRIV struct dev_context *ols_dev_new(void); |
114 | SR_PRIV struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial); | |
115 | SR_PRIV int ols_set_samplerate(const struct sr_dev_inst *sdi, | |
e46aa4f6 | 116 | uint64_t samplerate); |
0aba65da UH |
117 | SR_PRIV void abort_acquisition(const struct sr_dev_inst *sdi); |
118 | SR_PRIV int ols_receive_data(int fd, int revents, void *cb_data); | |
119 | ||
0f8522bf | 120 | #endif |