2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 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_PIPISTRELLO_OLS_PROTOCOL_H
21 #define LIBSIGROK_HARDWARE_PIPISTRELLO_OLS_PROTOCOL_H
27 #include <libsigrok/libsigrok.h>
28 #include "libsigrok-internal.h"
30 #define LOG_PREFIX "pipistrello-ols"
32 #define USB_VENDOR_ID 0x0403
33 #define USB_DEVICE_ID 0x6010
34 #define USB_IPRODUCT "Pipistrello LX45"
36 #define FTDI_BUF_SIZE (16 * 1024)
38 #define NUM_CHANNELS 32
39 #define NUM_TRIGGER_STAGES 4
40 #define CLOCK_RATE SR_MHZ(100)
41 #define MIN_NUM_SAMPLES 4
42 #define DEFAULT_SAMPLERATE SR_MHZ(100)
45 #define CMD_RESET 0x00
47 #define CMD_TESTMODE 0x03
49 #define CMD_METADATA 0x04
50 #define CMD_SET_DIVIDER 0x80
51 #define CMD_SET_FLAGS 0x82
52 #define CMD_CAPTURE_DELAYCOUNT 0x83
53 #define CMD_CAPTURE_READCOUNT 0x84
54 #define CMD_SET_TRIGGER_MASK 0xc0
55 #define CMD_SET_TRIGGER_VALUE 0xc1
56 #define CMD_SET_TRIGGER_CONFIG 0xc2
57 #define CMD_SET_TRIGGER_EDGE 0xc3
60 #define TRIGGER_START (1 << 3)
62 /* Bitmasks for CMD_FLAGS */
63 /* 12-13 unused, 14-15 RLE mode (we hardcode mode 0). */
64 #define FLAG_INTERNAL_TEST_MODE (1 << 11)
65 #define FLAG_EXTERNAL_TEST_MODE (1 << 10)
66 #define FLAG_SWAP_CHANNELS (1 << 9)
67 #define FLAG_RLE (1 << 8)
68 #define FLAG_SLOPE_FALLING (1 << 7)
69 #define FLAG_CLOCK_EXTERNAL (1 << 6)
70 #define FLAG_CHANNELGROUP_4 (1 << 5)
71 #define FLAG_CHANNELGROUP_3 (1 << 4)
72 #define FLAG_CHANNELGROUP_2 (1 << 3)
73 #define FLAG_CHANNELGROUP_1 (1 << 2)
74 #define FLAG_FILTER (1 << 1)
75 #define FLAG_DEMUX (1 << 0)
78 struct ftdi_context *ftdic;
82 uint32_t max_samplebytes;
83 uint32_t max_samplerate;
84 uint32_t protocol_version;
86 uint64_t cur_samplerate;
87 uint32_t cur_samplerate_divider;
89 uint64_t limit_samples;
90 uint64_t capture_ratio;
92 uint32_t channel_mask;
93 uint32_t trigger_mask[NUM_TRIGGER_STAGES];
94 uint32_t trigger_value[NUM_TRIGGER_STAGES];
95 uint32_t trigger_edge[NUM_TRIGGER_STAGES];
99 unsigned int num_transfers;
100 unsigned int num_samples;
103 unsigned int cnt_samples;
106 unsigned int rle_count;
107 unsigned char sample[4];
108 unsigned char tmp_sample[4];
109 unsigned char tmp_sample2[4];
110 unsigned char *raw_sample_buf;
113 SR_PRIV extern const char *p_ols_channel_names[];
114 SR_PRIV int write_shortcommand(struct dev_context *devc, uint8_t command);
115 SR_PRIV int write_longcommand(struct dev_context *devc, uint8_t command, uint8_t *data);
116 SR_PRIV int p_ols_open(struct dev_context *devc);
117 SR_PRIV int p_ols_close(struct dev_context *devc);
118 SR_PRIV void pols_channel_mask(const struct sr_dev_inst *sdi);
119 SR_PRIV int pols_convert_trigger(const struct sr_dev_inst *sdi);
120 SR_PRIV struct sr_dev_inst *p_ols_get_metadata(uint8_t *buf, int bytes_read, struct dev_context *devc);
121 SR_PRIV int p_ols_set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate);
122 SR_PRIV int p_ols_receive_data(int fd, int revents, void *cb_data);