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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> | |
c1aae900 | 29 | #include <libsigrok/libsigrok.h> |
2f937611 | 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 | |
7fb90f94 BL |
42 | #define NUM_CHANNELS 16 |
43 | ||
0a8c0c32 | 44 | #define FX2LAFW_REQUIRED_VERSION_MAJOR 1 |
13bf7ecc | 45 | |
f4575b65 JH |
46 | #define MAX_8BIT_SAMPLE_RATE SR_MHZ(24) |
47 | #define MAX_16BIT_SAMPLE_RATE SR_MHZ(12) | |
48 | ||
37dc0b16 UH |
49 | /* 6 delay states of up to 256 clock ticks */ |
50 | #define MAX_SAMPLE_DELAY (6 * 256) | |
13bf7ecc | 51 | |
d1ddc7a9 | 52 | #define DEV_CAPS_16BIT_POS 0 |
232a975f | 53 | #define DEV_CAPS_AX_ANALOG_POS 1 |
d1ddc7a9 JH |
54 | |
55 | #define DEV_CAPS_16BIT (1 << DEV_CAPS_16BIT_POS) | |
232a975f | 56 | #define DEV_CAPS_AX_ANALOG (1 << DEV_CAPS_AX_ANALOG_POS) |
a7d7f93c BV |
57 | |
58 | /* Protocol commands */ | |
59 | #define CMD_GET_FW_VERSION 0xb0 | |
60 | #define CMD_START 0xb1 | |
61 | #define CMD_GET_REVID_VERSION 0xb2 | |
62 | ||
ce35b282 | 63 | #define CMD_START_FLAGS_CLK_CTL2_POS 4 |
a7d7f93c BV |
64 | #define CMD_START_FLAGS_WIDE_POS 5 |
65 | #define CMD_START_FLAGS_CLK_SRC_POS 6 | |
66 | ||
7fb90f94 | 67 | #define CMD_START_FLAGS_CLK_CTL2 (1 << CMD_START_FLAGS_CLK_CTL2_POS) |
a7d7f93c BV |
68 | #define CMD_START_FLAGS_SAMPLE_8BIT (0 << CMD_START_FLAGS_WIDE_POS) |
69 | #define CMD_START_FLAGS_SAMPLE_16BIT (1 << CMD_START_FLAGS_WIDE_POS) | |
70 | ||
71 | #define CMD_START_FLAGS_CLK_30MHZ (0 << CMD_START_FLAGS_CLK_SRC_POS) | |
72 | #define CMD_START_FLAGS_CLK_48MHZ (1 << CMD_START_FLAGS_CLK_SRC_POS) | |
73 | ||
187b3582 JH |
74 | struct fx2lafw_profile { |
75 | uint16_t vid; | |
76 | uint16_t pid; | |
77 | ||
6ccfadaf JH |
78 | const char *vendor; |
79 | const char *model; | |
80 | const char *model_version; | |
187b3582 | 81 | |
f8b07fc6 JH |
82 | const char *firmware; |
83 | ||
d1ddc7a9 | 84 | uint32_t dev_caps; |
e826239c ML |
85 | |
86 | const char *usb_manufacturer; | |
87 | const char *usb_product; | |
187b3582 JH |
88 | }; |
89 | ||
dc9dbe94 | 90 | struct dev_context { |
4679d14d | 91 | const struct fx2lafw_profile *profile; |
7fb90f94 | 92 | GSList *enabled_analog_channels; |
b1eeb67e JH |
93 | /* |
94 | * Since we can't keep track of an fx2lafw device after upgrading | |
b99457f0 | 95 | * the firmware (it renumerates into a different device address |
b1eeb67e JH |
96 | * after the upgrade) this is like a global lock. No device will open |
97 | * until a proper delay after the last device was upgraded. | |
98 | */ | |
e8bd58ff | 99 | int64_t fw_updated; |
b1eeb67e | 100 | |
a7d7f93c BV |
101 | const uint64_t *samplerates; |
102 | int num_samplerates; | |
103 | ||
e3186647 | 104 | uint64_t cur_samplerate; |
bfc34b9a | 105 | uint64_t limit_frames; |
7cb621d4 | 106 | uint64_t limit_samples; |
7bfcb25c | 107 | uint64_t capture_ratio; |
7cb621d4 | 108 | |
b0ccd64d BV |
109 | gboolean trigger_fired; |
110 | gboolean acq_aborted; | |
0a88ec3d | 111 | gboolean sample_wide; |
335122f0 | 112 | struct soft_trigger_logic *stl; |
6c6781b6 | 113 | |
bfc34b9a | 114 | uint64_t num_frames; |
6065d660 | 115 | uint64_t sent_samples; |
cb61e9f7 | 116 | int submitted_transfers; |
2769eed9 | 117 | int empty_transfer_count; |
2e526f4a | 118 | |
0caa1ef0 LPC |
119 | unsigned int num_transfers; |
120 | struct libusb_transfer **transfers; | |
6c60facc | 121 | struct sr_context *ctx; |
695dc859 | 122 | void (*send_data_proc)(struct sr_dev_inst *sdi, |
7b5d1c64 | 123 | uint8_t *data, size_t length, size_t sample_width); |
7e5ccff2 JH |
124 | uint8_t *logic_buffer; |
125 | float *analog_buffer; | |
187b3582 JH |
126 | }; |
127 | ||
2f937611 | 128 | SR_PRIV int fx2lafw_dev_open(struct sr_dev_inst *sdi, struct sr_dev_driver *di); |
2f937611 | 129 | SR_PRIV struct dev_context *fx2lafw_dev_new(void); |
b0acb693 | 130 | SR_PRIV int fx2lafw_start_acquisition(const struct sr_dev_inst *sdi); |
2f937611 | 131 | SR_PRIV void fx2lafw_abort_acquisition(struct dev_context *devc); |
6fcf3f0a | 132 | |
f302a082 | 133 | #endif |