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f302a082 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
f302a082 | 3 | * |
13d8e03c | 4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> |
f302a082 JH |
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 | ||
2f937611 UH |
21 | #ifndef LIBSIGROK_HARDWARE_FX2LAFW_PROTOCOL_H |
22 | #define LIBSIGROK_HARDWARE_FX2LAFW_PROTOCOL_H | |
f302a082 | 23 | |
b99457f0 | 24 | #include <glib.h> |
2f937611 UH |
25 | #include <stdint.h> |
26 | #include <stdlib.h> | |
27 | #include <string.h> | |
28 | #include <libusb.h> | |
29 | #include "libsigrok.h" | |
30 | #include "libsigrok-internal.h" | |
b99457f0 | 31 | |
3544f848 | 32 | #define LOG_PREFIX "fx2lafw" |
b99457f0 | 33 | |
b1eeb67e JH |
34 | #define USB_INTERFACE 0 |
35 | #define USB_CONFIGURATION 1 | |
6c6781b6 | 36 | #define NUM_TRIGGER_STAGES 4 |
c50277a6 | 37 | #define TRIGGER_TYPE "01" |
8b35f474 | 38 | |
f60fdf6e | 39 | #define MAX_RENUM_DELAY_MS 3000 |
ecc16ed0 | 40 | #define NUM_SIMUL_TRANSFERS 32 |
610dbb70 | 41 | #define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2) |
43125c69 | 42 | |
0a8c0c32 | 43 | #define FX2LAFW_REQUIRED_VERSION_MAJOR 1 |
13bf7ecc | 44 | |
f4575b65 JH |
45 | #define MAX_8BIT_SAMPLE_RATE SR_MHZ(24) |
46 | #define MAX_16BIT_SAMPLE_RATE SR_MHZ(12) | |
47 | ||
37dc0b16 UH |
48 | /* 6 delay states of up to 256 clock ticks */ |
49 | #define MAX_SAMPLE_DELAY (6 * 256) | |
13bf7ecc | 50 | |
6c6781b6 JH |
51 | /* Software trigger implementation: positive values indicate trigger stage. */ |
52 | #define TRIGGER_FIRED -1 | |
53 | ||
d1ddc7a9 JH |
54 | #define DEV_CAPS_16BIT_POS 0 |
55 | ||
56 | #define DEV_CAPS_16BIT (1 << DEV_CAPS_16BIT_POS) | |
57 | ||
187b3582 JH |
58 | struct fx2lafw_profile { |
59 | uint16_t vid; | |
60 | uint16_t pid; | |
61 | ||
6ccfadaf JH |
62 | const char *vendor; |
63 | const char *model; | |
64 | const char *model_version; | |
187b3582 | 65 | |
f8b07fc6 JH |
66 | const char *firmware; |
67 | ||
d1ddc7a9 | 68 | uint32_t dev_caps; |
187b3582 JH |
69 | }; |
70 | ||
dc9dbe94 | 71 | struct dev_context { |
4679d14d | 72 | const struct fx2lafw_profile *profile; |
b1eeb67e JH |
73 | /* |
74 | * Since we can't keep track of an fx2lafw device after upgrading | |
b99457f0 | 75 | * the firmware (it renumerates into a different device address |
b1eeb67e JH |
76 | * after the upgrade) this is like a global lock. No device will open |
77 | * until a proper delay after the last device was upgraded. | |
78 | */ | |
e8bd58ff | 79 | int64_t fw_updated; |
b1eeb67e | 80 | |
921634ec | 81 | /* Device/capture settings */ |
e3186647 | 82 | uint64_t cur_samplerate; |
7cb621d4 JH |
83 | uint64_t limit_samples; |
84 | ||
0a7da5f8 | 85 | /* Operational settings */ |
0a88ec3d | 86 | gboolean sample_wide; |
d1ddc7a9 JH |
87 | uint16_t trigger_mask[NUM_TRIGGER_STAGES]; |
88 | uint16_t trigger_value[NUM_TRIGGER_STAGES]; | |
6c6781b6 | 89 | int trigger_stage; |
d1ddc7a9 | 90 | uint16_t trigger_buffer[NUM_TRIGGER_STAGES]; |
6c6781b6 | 91 | |
2e526f4a | 92 | int num_samples; |
cb61e9f7 | 93 | int submitted_transfers; |
2769eed9 | 94 | int empty_transfer_count; |
2e526f4a | 95 | |
3e9b7f9c | 96 | void *cb_data; |
0caa1ef0 LPC |
97 | unsigned int num_transfers; |
98 | struct libusb_transfer **transfers; | |
6c60facc | 99 | struct sr_context *ctx; |
187b3582 JH |
100 | }; |
101 | ||
2f937611 UH |
102 | SR_PRIV int fx2lafw_command_start_acquisition(libusb_device_handle *devhdl, |
103 | uint64_t samplerate, gboolean samplewide); | |
104 | SR_PRIV gboolean fx2lafw_check_conf_profile(libusb_device *dev); | |
105 | SR_PRIV int fx2lafw_dev_open(struct sr_dev_inst *sdi, struct sr_dev_driver *di); | |
106 | SR_PRIV int fx2lafw_configure_probes(const struct sr_dev_inst *sdi); | |
107 | SR_PRIV struct dev_context *fx2lafw_dev_new(void); | |
108 | SR_PRIV void fx2lafw_abort_acquisition(struct dev_context *devc); | |
109 | SR_PRIV void fx2lafw_receive_transfer(struct libusb_transfer *transfer); | |
110 | SR_PRIV size_t fx2lafw_get_buffer_size(struct dev_context *devc); | |
111 | SR_PRIV unsigned int fx2lafw_get_number_of_transfers(struct dev_context *devc); | |
112 | SR_PRIV unsigned int fx2lafw_get_timeout(struct dev_context *devc); | |
113 | ||
f302a082 | 114 | #endif |