2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #ifndef LIBSIGROK_HARDWARE_FX2LAFW_FX2LAFW_H
22 #define LIBSIGROK_HARDWARE_FX2LAFW_FX2LAFW_H
26 /* Message logging helpers with subsystem-specific prefix string. */
27 #define LOG_PREFIX "fx2lafw: "
28 #define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
29 #define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
30 #define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
31 #define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
32 #define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
33 #define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
35 #define USB_INTERFACE 0
36 #define USB_CONFIGURATION 1
37 #define NUM_TRIGGER_STAGES 4
38 #define TRIGGER_TYPE "01"
40 #define MAX_RENUM_DELAY_MS 3000
41 #define NUM_SIMUL_TRANSFERS 32
42 #define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2)
44 #define FX2LAFW_REQUIRED_VERSION_MAJOR 1
46 #define MAX_8BIT_SAMPLE_RATE SR_MHZ(24)
47 #define MAX_16BIT_SAMPLE_RATE SR_MHZ(12)
49 /* 6 delay states of up to 256 clock ticks */
50 #define MAX_SAMPLE_DELAY (6 * 256)
52 /* Software trigger implementation: positive values indicate trigger stage. */
53 #define TRIGGER_FIRED -1
55 #define DEV_CAPS_16BIT_POS 0
57 #define DEV_CAPS_16BIT (1 << DEV_CAPS_16BIT_POS)
59 struct fx2lafw_profile {
65 const char *model_version;
73 const struct fx2lafw_profile *profile;
75 * Since we can't keep track of an fx2lafw device after upgrading
76 * the firmware (it renumerates into a different device address
77 * after the upgrade) this is like a global lock. No device will open
78 * until a proper delay after the last device was upgraded.
82 /* Device/capture settings */
83 uint64_t cur_samplerate;
84 uint64_t limit_samples;
86 /* Operational settings */
88 uint16_t trigger_mask[NUM_TRIGGER_STAGES];
89 uint16_t trigger_value[NUM_TRIGGER_STAGES];
91 uint16_t trigger_buffer[NUM_TRIGGER_STAGES];
94 int submitted_transfers;
95 int empty_transfer_count;
98 unsigned int num_transfers;
99 struct libusb_transfer **transfers;