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c463dcf0 MC |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se> | |
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 | ||
20 | #ifndef LIBSIGROK_HARDWARE_SALEAE_LOGIC16_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_SALEAE_LOGIC16_PROTOCOL_H | |
22 | ||
23 | #include <stdint.h> | |
24 | #include <glib.h> | |
25 | #include "libsigrok.h" | |
26 | #include "libsigrok-internal.h" | |
27 | ||
28 | /* Message logging helpers with subsystem-specific prefix string. */ | |
29 | #define LOG_PREFIX "saleae-logic16: " | |
30 | #define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args) | |
31 | #define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args) | |
32 | #define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args) | |
33 | #define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args) | |
34 | #define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args) | |
35 | #define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args) | |
36 | ||
15abcf0f MC |
37 | enum voltage_range { |
38 | VOLTAGE_RANGE_UNKNOWN, | |
39 | VOLTAGE_RANGE_18_33_V, /* 1.8V and 3.3V logic */ | |
40 | VOLTAGE_RANGE_5_V, /* 5V logic */ | |
41 | }; | |
42 | ||
c463dcf0 MC |
43 | /** Private, per-device-instance driver context. */ |
44 | struct dev_context { | |
5eea4305 MC |
45 | /* |
46 | * Since we can't keep track of a Logic16 device after upgrading | |
47 | * the firmware (it renumerates into a different device address | |
48 | * after the upgrade) this is like a global lock. No device will open | |
49 | * until a proper delay after the last device was upgraded. | |
50 | */ | |
51 | int64_t fw_updated; | |
52 | ||
f6a21fa5 MC |
53 | /** The currently configured samplerate of the device. */ |
54 | uint64_t cur_samplerate; | |
15abcf0f | 55 | |
7b5daad4 MC |
56 | /** Maximum number of samples to capture, if nonzero */ |
57 | uint64_t limit_samples; | |
58 | ||
15abcf0f MC |
59 | /** The currently configured input voltage of the device */ |
60 | enum voltage_range cur_voltage_range; | |
61 | ||
7b5daad4 MC |
62 | /** Channels to use */ |
63 | uint16_t cur_channels; | |
64 | ||
15abcf0f MC |
65 | /* |
66 | * EEPROM data from address 8 | |
67 | */ | |
68 | uint8_t eeprom_data[8]; | |
7b5daad4 MC |
69 | |
70 | int64_t num_samples; | |
71 | int submitted_transfers; | |
72 | int empty_transfer_count; | |
73 | int num_channels, cur_channel; | |
74 | uint16_t channel_masks[16]; | |
75 | uint16_t channel_data[16]; | |
76 | uint8_t *convbuffer; | |
77 | size_t convbuffer_size; | |
78 | ||
79 | void *cb_data; | |
80 | unsigned int num_transfers; | |
81 | struct libusb_transfer **transfers; | |
82 | int *usbfd; | |
c463dcf0 MC |
83 | }; |
84 | ||
7b5daad4 MC |
85 | SR_PRIV int saleae_logic16_setup_acquisition(const struct sr_dev_inst *sdi, |
86 | uint64_t samplerate, | |
87 | uint16_t channels); | |
88 | SR_PRIV int saleae_logic16_start_acquisition(const struct sr_dev_inst *sdi); | |
15abcf0f MC |
89 | SR_PRIV int saleae_logic16_abort_acquisition(const struct sr_dev_inst *sdi); |
90 | SR_PRIV int saleae_logic16_init_device(const struct sr_dev_inst *sdi); | |
7b5daad4 | 91 | SR_PRIV void saleae_logic16_receive_transfer(struct libusb_transfer *transfer); |
c463dcf0 MC |
92 | |
93 | #endif |