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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 | #define MAX_8BIT_SAMPLE_RATE SR_MHZ(24) | |
38 | #define MAX_16BIT_SAMPLE_RATE SR_MHZ(12) | |
39 | ||
40 | /* 6 delay states of up to 256 clock ticks */ | |
41 | #define MAX_SAMPLE_DELAY (6 * 256) | |
42 | ||
43 | /* Software trigger implementation: positive values indicate trigger stage. */ | |
44 | #define TRIGGER_FIRED -1 | |
45 | ||
46 | #define DEV_CAPS_16BIT_POS 0 | |
47 | ||
48 | #define DEV_CAPS_16BIT (1 << DEV_CAPS_16BIT_POS) | |
49 | ||
50 | /* Message logging helpers with driver-specific prefix string. */ | |
51 | #define DRIVER_LOG_DOMAIN "fx2lafw: " | |
52 | #define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args) | |
53 | #define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args) | |
54 | #define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args) | |
55 | #define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args) | |
56 | #define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args) | |
57 | #define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args) | |
58 | ||
59 | struct fx2lafw_profile { | |
60 | uint16_t vid; | |
61 | uint16_t pid; | |
62 | ||
63 | const char *vendor; | |
64 | const char *model; | |
65 | const char *model_version; | |
66 | ||
67 | const char *firmware; | |
68 | ||
69 | uint32_t dev_caps; | |
70 | }; | |
71 | ||
72 | struct dev_context { | |
73 | const struct fx2lafw_profile *profile; | |
74 | ||
75 | /* | |
76 | * Since we can't keep track of an fx2lafw device after upgrading | |
77 | * the firmware (it re-enumerates into a different device address | |
78 | * after the upgrade) this is like a global lock. No device will open | |
79 | * until a proper delay after the last device was upgraded. | |
80 | */ | |
81 | int64_t fw_updated; | |
82 | ||
83 | /* Device/capture settings */ | |
84 | uint64_t cur_samplerate; | |
85 | uint64_t limit_samples; | |
86 | ||
87 | gboolean sample_wide; | |
88 | ||
89 | uint16_t trigger_mask[NUM_TRIGGER_STAGES]; | |
90 | uint16_t trigger_value[NUM_TRIGGER_STAGES]; | |
91 | int trigger_stage; | |
92 | uint16_t trigger_buffer[NUM_TRIGGER_STAGES]; | |
93 | ||
94 | int num_samples; | |
95 | int submitted_transfers; | |
96 | int empty_transfer_count; | |
97 | ||
98 | void *session_dev_id; | |
99 | ||
100 | struct sr_usb_dev_inst *usb; | |
101 | ||
102 | unsigned int num_transfers; | |
103 | struct libusb_transfer **transfers; | |
104 | }; | |
105 | ||
106 | #endif |