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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 | |
29a27196 UH |
29 | /* Message logging helpers with subsystem-specific prefix string. */ |
30 | #define LOG_PREFIX "ols: " | |
31 | #define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args) | |
32 | #define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args) | |
33 | #define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args) | |
34 | #define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args) | |
35 | #define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args) | |
36 | #define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args) | |
a567547e | 37 | |
4fe9a6da BV |
38 | #define NUM_PROBES 32 |
39 | #define NUM_TRIGGER_STAGES 4 | |
c50277a6 | 40 | #define TRIGGER_TYPE "01" |
4fe9a6da BV |
41 | #define SERIAL_SPEED B115200 |
42 | #define CLOCK_RATE SR_MHZ(100) | |
43 | #define MIN_NUM_SAMPLES 4 | |
bf256783 | 44 | #define DEFAULT_SAMPLERATE SR_KHZ(200) |
4fe9a6da BV |
45 | |
46 | /* Command opcodes */ | |
47 | #define CMD_RESET 0x00 | |
48 | #define CMD_RUN 0x01 | |
49 | #define CMD_ID 0x02 | |
50 | #define CMD_METADATA 0x04 | |
51 | #define CMD_SET_FLAGS 0x82 | |
52 | #define CMD_SET_DIVIDER 0x80 | |
53 | #define CMD_CAPTURE_SIZE 0x81 | |
54 | #define CMD_SET_TRIGGER_MASK_0 0xc0 | |
55 | #define CMD_SET_TRIGGER_MASK_1 0xc4 | |
56 | #define CMD_SET_TRIGGER_MASK_2 0xc8 | |
57 | #define CMD_SET_TRIGGER_MASK_3 0xcc | |
58 | #define CMD_SET_TRIGGER_VALUE_0 0xc1 | |
59 | #define CMD_SET_TRIGGER_VALUE_1 0xc5 | |
60 | #define CMD_SET_TRIGGER_VALUE_2 0xc9 | |
61 | #define CMD_SET_TRIGGER_VALUE_3 0xcd | |
62 | #define CMD_SET_TRIGGER_CONFIG_0 0xc2 | |
63 | #define CMD_SET_TRIGGER_CONFIG_1 0xc6 | |
64 | #define CMD_SET_TRIGGER_CONFIG_2 0xca | |
65 | #define CMD_SET_TRIGGER_CONFIG_3 0xce | |
66 | ||
67 | /* Bitmasks for CMD_FLAGS */ | |
68 | #define FLAG_DEMUX 0x01 | |
69 | #define FLAG_FILTER 0x02 | |
70 | #define FLAG_CHANNELGROUP_1 0x04 | |
71 | #define FLAG_CHANNELGROUP_2 0x08 | |
72 | #define FLAG_CHANNELGROUP_3 0x10 | |
73 | #define FLAG_CHANNELGROUP_4 0x20 | |
74 | #define FLAG_CLOCK_EXTERNAL 0x40 | |
75 | #define FLAG_CLOCK_INVERTED 0x80 | |
76 | #define FLAG_RLE 0x0100 | |
77 | ||
ea9cfed7 | 78 | /* Private, per-device-instance driver context. */ |
fefc4b85 | 79 | struct dev_context { |
bf256783 | 80 | /* Fixed device settings */ |
4fe9a6da | 81 | uint32_t max_samples; |
bf256783 | 82 | uint32_t max_samplerate; |
4fe9a6da | 83 | uint32_t protocol_version; |
4fe9a6da | 84 | |
bf256783 | 85 | /* Acquisition settings */ |
4fe9a6da BV |
86 | uint64_t cur_samplerate; |
87 | uint32_t cur_samplerate_divider; | |
88 | uint64_t limit_samples; | |
4fe9a6da BV |
89 | int capture_ratio; |
90 | int trigger_at; | |
91 | uint32_t probe_mask; | |
92 | uint32_t trigger_mask[4]; | |
93 | uint32_t trigger_value[4]; | |
94 | int num_stages; | |
bf256783 | 95 | uint32_t flag_reg; |
4fe9a6da | 96 | |
bf256783 | 97 | /* Operational states */ |
4fe9a6da | 98 | unsigned int num_transfers; |
22130421 | 99 | unsigned int num_samples; |
4fe9a6da | 100 | int num_bytes; |
bf256783 BV |
101 | |
102 | /* Temporary variables */ | |
103 | int rle_count; | |
4fe9a6da BV |
104 | unsigned char sample[4]; |
105 | unsigned char tmp_sample[4]; | |
106 | unsigned char *raw_sample_buf; | |
107 | }; | |
108 | ||
0aba65da UH |
109 | |
110 | SR_PRIV extern const char *ols_probe_names[NUM_PROBES + 1]; | |
111 | ||
112 | SR_PRIV int send_shortcommand(struct sr_serial_dev_inst *serial, | |
113 | uint8_t command); | |
114 | SR_PRIV int send_longcommand(struct sr_serial_dev_inst *serial, | |
115 | uint8_t command, uint32_t data); | |
116 | SR_PRIV int ols_configure_probes(const struct sr_dev_inst *sdi); | |
117 | SR_PRIV uint32_t reverse16(uint32_t in); | |
118 | SR_PRIV uint32_t reverse32(uint32_t in); | |
119 | SR_PRIV struct dev_context *ols_dev_new(void); | |
120 | SR_PRIV struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial); | |
121 | SR_PRIV int ols_set_samplerate(const struct sr_dev_inst *sdi, | |
e46aa4f6 | 122 | uint64_t samplerate); |
0aba65da UH |
123 | SR_PRIV void abort_acquisition(const struct sr_dev_inst *sdi); |
124 | SR_PRIV int ols_receive_data(int fd, int revents, void *cb_data); | |
125 | ||
0f8522bf | 126 | #endif |