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1 /*
2  * This file is part of the libsigrok project.
3  *
4  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19
20 #ifndef LIBSIGROK_HARDWARE_FX2LAFW_COMMAND_H
21 #define LIBSIGROK_HARDWARE_FX2LAFW_COMMAND_H
22
23 #include <glib.h>
24 #include "libsigrok.h"
25
26 /* Protocol commands */
27 #define CMD_GET_FW_VERSION              0xb0
28 #define CMD_START                       0xb1
29 #define CMD_GET_REVID_VERSION           0xb2
30
31 #define CMD_START_FLAGS_WIDE_POS        5
32 #define CMD_START_FLAGS_CLK_SRC_POS     6
33
34 #define CMD_START_FLAGS_SAMPLE_8BIT     (0 << CMD_START_FLAGS_WIDE_POS)
35 #define CMD_START_FLAGS_SAMPLE_16BIT    (1 << CMD_START_FLAGS_WIDE_POS)
36
37 #define CMD_START_FLAGS_CLK_30MHZ       (0 << CMD_START_FLAGS_CLK_SRC_POS)
38 #define CMD_START_FLAGS_CLK_48MHZ       (1 << CMD_START_FLAGS_CLK_SRC_POS)
39
40 #pragma pack(push, 1)
41
42 struct version_info {
43         uint8_t major;
44         uint8_t minor;
45 };
46
47 struct cmd_start_acquisition {
48         uint8_t flags;
49         uint8_t sample_delay_h;
50         uint8_t sample_delay_l;
51 };
52
53 #pragma pack(pop)
54
55 SR_PRIV int command_get_fw_version(libusb_device_handle *devhdl,
56                                    struct version_info *vi);
57 SR_PRIV int command_get_revid_version(libusb_device_handle *devhdl,
58                                       uint8_t *revid);
59 SR_PRIV int command_start_acquisition(libusb_device_handle *devhdl,
60                                       uint64_t samplerate, gboolean samplewide);
61
62 #endif