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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 |
8b35f474 | 37 | |
f60fdf6e | 38 | #define MAX_RENUM_DELAY_MS 3000 |
ecc16ed0 | 39 | #define NUM_SIMUL_TRANSFERS 32 |
610dbb70 | 40 | #define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2) |
43125c69 | 41 | |
0a8c0c32 | 42 | #define FX2LAFW_REQUIRED_VERSION_MAJOR 1 |
13bf7ecc | 43 | |
f4575b65 JH |
44 | #define MAX_8BIT_SAMPLE_RATE SR_MHZ(24) |
45 | #define MAX_16BIT_SAMPLE_RATE SR_MHZ(12) | |
46 | ||
37dc0b16 UH |
47 | /* 6 delay states of up to 256 clock ticks */ |
48 | #define MAX_SAMPLE_DELAY (6 * 256) | |
13bf7ecc | 49 | |
d1ddc7a9 JH |
50 | #define DEV_CAPS_16BIT_POS 0 |
51 | ||
52 | #define DEV_CAPS_16BIT (1 << DEV_CAPS_16BIT_POS) | |
53 | ||
a7d7f93c BV |
54 | #define DSLOGIC_FPGA_FIRMWARE FIRMWARE_DIR "/dreamsourcelab-dslogic-fpga.fw" |
55 | ||
56 | /* Protocol commands */ | |
57 | #define CMD_GET_FW_VERSION 0xb0 | |
58 | #define CMD_START 0xb1 | |
59 | #define CMD_GET_REVID_VERSION 0xb2 | |
60 | ||
61 | #define CMD_START_FLAGS_WIDE_POS 5 | |
62 | #define CMD_START_FLAGS_CLK_SRC_POS 6 | |
63 | ||
64 | #define CMD_START_FLAGS_SAMPLE_8BIT (0 << CMD_START_FLAGS_WIDE_POS) | |
65 | #define CMD_START_FLAGS_SAMPLE_16BIT (1 << CMD_START_FLAGS_WIDE_POS) | |
66 | ||
67 | #define CMD_START_FLAGS_CLK_30MHZ (0 << CMD_START_FLAGS_CLK_SRC_POS) | |
68 | #define CMD_START_FLAGS_CLK_48MHZ (1 << CMD_START_FLAGS_CLK_SRC_POS) | |
69 | ||
187b3582 JH |
70 | struct fx2lafw_profile { |
71 | uint16_t vid; | |
72 | uint16_t pid; | |
73 | ||
6ccfadaf JH |
74 | const char *vendor; |
75 | const char *model; | |
76 | const char *model_version; | |
187b3582 | 77 | |
f8b07fc6 JH |
78 | const char *firmware; |
79 | ||
d1ddc7a9 | 80 | uint32_t dev_caps; |
e826239c ML |
81 | |
82 | const char *usb_manufacturer; | |
83 | const char *usb_product; | |
187b3582 JH |
84 | }; |
85 | ||
dc9dbe94 | 86 | struct dev_context { |
4679d14d | 87 | const struct fx2lafw_profile *profile; |
b1eeb67e JH |
88 | /* |
89 | * Since we can't keep track of an fx2lafw device after upgrading | |
b99457f0 | 90 | * the firmware (it renumerates into a different device address |
b1eeb67e JH |
91 | * after the upgrade) this is like a global lock. No device will open |
92 | * until a proper delay after the last device was upgraded. | |
93 | */ | |
e8bd58ff | 94 | int64_t fw_updated; |
b1eeb67e | 95 | |
a7d7f93c BV |
96 | /* Supported samplerates */ |
97 | const uint64_t *samplerates; | |
98 | int num_samplerates; | |
99 | ||
921634ec | 100 | /* Device/capture settings */ |
e3186647 | 101 | uint64_t cur_samplerate; |
7cb621d4 | 102 | uint64_t limit_samples; |
7bfcb25c | 103 | uint64_t capture_ratio; |
7cb621d4 | 104 | |
0a7da5f8 | 105 | /* Operational settings */ |
b0ccd64d BV |
106 | gboolean trigger_fired; |
107 | gboolean acq_aborted; | |
0a88ec3d | 108 | gboolean sample_wide; |
335122f0 | 109 | struct soft_trigger_logic *stl; |
6c6781b6 | 110 | |
b0ccd64d | 111 | unsigned int sent_samples; |
cb61e9f7 | 112 | int submitted_transfers; |
2769eed9 | 113 | int empty_transfer_count; |
2e526f4a | 114 | |
3e9b7f9c | 115 | void *cb_data; |
0caa1ef0 LPC |
116 | unsigned int num_transfers; |
117 | struct libusb_transfer **transfers; | |
6c60facc | 118 | struct sr_context *ctx; |
a7d7f93c BV |
119 | |
120 | /* Is this a DSLogic? */ | |
121 | gboolean dslogic; | |
b9d53092 BV |
122 | uint16_t dslogic_mode; |
123 | int dslogic_external_clock; | |
187b3582 JH |
124 | }; |
125 | ||
a54edb1d | 126 | SR_PRIV int fx2lafw_command_start_acquisition(const struct sr_dev_inst *sdi); |
a7d7f93c BV |
127 | SR_PRIV gboolean match_manuf_prod(libusb_device *dev, const char *manufacturer, |
128 | const char *product); | |
2f937611 | 129 | SR_PRIV int fx2lafw_dev_open(struct sr_dev_inst *sdi, struct sr_dev_driver *di); |
2f937611 UH |
130 | SR_PRIV struct dev_context *fx2lafw_dev_new(void); |
131 | SR_PRIV void fx2lafw_abort_acquisition(struct dev_context *devc); | |
132 | SR_PRIV void fx2lafw_receive_transfer(struct libusb_transfer *transfer); | |
133 | SR_PRIV size_t fx2lafw_get_buffer_size(struct dev_context *devc); | |
134 | SR_PRIV unsigned int fx2lafw_get_number_of_transfers(struct dev_context *devc); | |
135 | SR_PRIV unsigned int fx2lafw_get_timeout(struct dev_context *devc); | |
6fcf3f0a | 136 | |
f302a082 | 137 | #endif |