2 * This file is part of the sigrok project.
4 * Copyright (C) 2010-2012 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/>.
20 #ifndef LIBSIGROK_HARDWARE_OPENBENCH_LOGIC_SNIFFER_PROTOCOL_H
21 #define LIBSIGROK_HARDWARE_OPENBENCH_LOGIC_SNIFFER_PROTOCOL_H
26 #include "libsigrok.h"
27 #include "libsigrok-internal.h"
29 /* Message logging helpers with driver-specific prefix string. */
30 #define DRIVER_LOG_DOMAIN "ols: "
31 #define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
32 #define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
33 #define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
34 #define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
35 #define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
36 #define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
39 #define NUM_TRIGGER_STAGES 4
40 #define TRIGGER_TYPE "01"
41 #define SERIAL_SPEED B115200
42 #define CLOCK_RATE SR_MHZ(100)
43 #define MIN_NUM_SAMPLES 4
46 #define CMD_RESET 0x00
49 #define CMD_METADATA 0x04
50 #define CMD_SET_FLAGS 0x82
51 #define CMD_SET_DIVIDER 0x80
52 #define CMD_CAPTURE_SIZE 0x81
53 #define CMD_SET_TRIGGER_MASK_0 0xc0
54 #define CMD_SET_TRIGGER_MASK_1 0xc4
55 #define CMD_SET_TRIGGER_MASK_2 0xc8
56 #define CMD_SET_TRIGGER_MASK_3 0xcc
57 #define CMD_SET_TRIGGER_VALUE_0 0xc1
58 #define CMD_SET_TRIGGER_VALUE_1 0xc5
59 #define CMD_SET_TRIGGER_VALUE_2 0xc9
60 #define CMD_SET_TRIGGER_VALUE_3 0xcd
61 #define CMD_SET_TRIGGER_CONFIG_0 0xc2
62 #define CMD_SET_TRIGGER_CONFIG_1 0xc6
63 #define CMD_SET_TRIGGER_CONFIG_2 0xca
64 #define CMD_SET_TRIGGER_CONFIG_3 0xce
66 /* Bitmasks for CMD_FLAGS */
67 #define FLAG_DEMUX 0x01
68 #define FLAG_FILTER 0x02
69 #define FLAG_CHANNELGROUP_1 0x04
70 #define FLAG_CHANNELGROUP_2 0x08
71 #define FLAG_CHANNELGROUP_3 0x10
72 #define FLAG_CHANNELGROUP_4 0x20
73 #define FLAG_CLOCK_EXTERNAL 0x40
74 #define FLAG_CLOCK_INVERTED 0x80
75 #define FLAG_RLE 0x0100
77 /* Private, per-device-instance driver context. */
79 uint32_t max_samplerate;
81 uint32_t protocol_version;
83 uint64_t cur_samplerate;
84 uint32_t cur_samplerate_divider;
85 uint64_t limit_samples;
86 /* Current state of the flag register */
89 /* Pre/post trigger capture ratio, in percentage.
90 * 0 means no pre-trigger data. */
94 uint32_t trigger_mask[4];
95 uint32_t trigger_value[4];
98 unsigned int num_transfers;
99 unsigned int num_samples;
102 unsigned char sample[4];
103 unsigned char tmp_sample[4];
104 unsigned char *raw_sample_buf;
106 struct sr_serial_dev_inst *serial;
110 SR_PRIV extern const char *ols_probe_names[NUM_PROBES + 1];
112 SR_PRIV int send_shortcommand(struct sr_serial_dev_inst *serial,
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,
123 const struct sr_samplerates *samplerates);
124 SR_PRIV void abort_acquisition(const struct sr_dev_inst *sdi);
125 SR_PRIV int ols_receive_data(int fd, int revents, void *cb_data);