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1 | /* | |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> | |
5 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
6 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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/>. | |
19 | */ | |
20 | ||
21 | #include <glib.h> | |
22 | ||
23 | #ifndef LIBSIGROK_HARDWARE_FX2LAFW_FX2LAFW_H | |
24 | #define LIBSIGROK_HARDWARE_FX2LAFW_FX2LAFW_H | |
25 | ||
26 | #define USB_INTERFACE 0 | |
27 | #define USB_CONFIGURATION 1 | |
28 | #define NUM_TRIGGER_STAGES 4 | |
29 | #define TRIGGER_TYPES "01" | |
30 | ||
31 | #define MAX_RENUM_DELAY_MS 3000 | |
32 | #define NUM_SIMUL_TRANSFERS 32 | |
33 | #define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2) | |
34 | ||
35 | #define FX2LAFW_REQUIRED_VERSION_MAJOR 1 | |
36 | ||
37 | /* 6 delay states of up to 256 clock ticks */ | |
38 | #define MAX_SAMPLE_DELAY (6 * 256) | |
39 | ||
40 | /* Software trigger implementation: positive values indicate trigger stage. */ | |
41 | #define TRIGGER_FIRED -1 | |
42 | ||
43 | struct fx2lafw_profile { | |
44 | uint16_t vid; | |
45 | uint16_t pid; | |
46 | ||
47 | const char *vendor; | |
48 | const char *model; | |
49 | const char *model_version; | |
50 | ||
51 | const char *firmware; | |
52 | ||
53 | int num_probes; | |
54 | }; | |
55 | ||
56 | struct context { | |
57 | const struct fx2lafw_profile *profile; | |
58 | ||
59 | /* | |
60 | * Since we can't keep track of an fx2lafw device after upgrading | |
61 | * the firmware (it re-enumerates into a different device address | |
62 | * after the upgrade) this is like a global lock. No device will open | |
63 | * until a proper delay after the last device was upgraded. | |
64 | */ | |
65 | int64_t fw_updated; | |
66 | ||
67 | /* Device/capture settings */ | |
68 | uint64_t cur_samplerate; | |
69 | uint64_t limit_samples; | |
70 | ||
71 | uint8_t trigger_mask[NUM_TRIGGER_STAGES]; | |
72 | uint8_t trigger_value[NUM_TRIGGER_STAGES]; | |
73 | int trigger_stage; | |
74 | uint8_t trigger_buffer[NUM_TRIGGER_STAGES]; | |
75 | ||
76 | int num_samples; | |
77 | int submitted_transfers; | |
78 | ||
79 | void *session_dev_id; | |
80 | ||
81 | struct sr_usb_dev_inst *usb; | |
82 | }; | |
83 | ||
84 | #endif |