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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2015 Christer Ekholm <christerekholm@gmail.com> | |
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_HANTEK_6XXX_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_HANTEK_6XXX_PROTOCOL_H | |
22 | ||
23 | #include <stdint.h> | |
24 | #include <string.h> | |
25 | #include <glib.h> | |
26 | #include <libsigrok/libsigrok.h> | |
27 | #include "libsigrok-internal.h" | |
28 | ||
29 | #define LOG_PREFIX "hantek-6xxx" | |
30 | ||
31 | #define MAX_RENUM_DELAY_MS 3000 | |
32 | ||
33 | #define DEFAULT_VOLTAGE 2 | |
34 | #define DEFAULT_COUPLING COUPLING_DC | |
35 | #define DEFAULT_SAMPLERATE SR_MHZ(8) | |
36 | ||
37 | #define NUM_CHANNELS 2 | |
38 | ||
39 | #define SAMPLERATE_VALUES \ | |
40 | SR_MHZ(48), SR_MHZ(30), SR_MHZ(24), \ | |
41 | SR_MHZ(16), SR_MHZ(8), SR_MHZ(4), \ | |
42 | SR_MHZ(1), SR_KHZ(500), SR_KHZ(200), \ | |
43 | SR_KHZ(100), | |
44 | ||
45 | #define SAMPLERATE_REGS \ | |
46 | 48, 30, 24, 16, 8, 4, 1, 50, 20, 10, | |
47 | ||
48 | #define VDIV_VALUES \ | |
49 | { 100, 1000 }, \ | |
50 | { 250, 1000 }, \ | |
51 | { 500, 1000 }, \ | |
52 | { 1, 1 }, | |
53 | ||
54 | #define VDIV_REG \ | |
55 | 10, 5, 2, 1, | |
56 | ||
57 | #define VDIV_MULTIPLIER 10 | |
58 | ||
59 | /* Weird flushing needed for filtering glitch away. */ | |
60 | #define FLUSH_PACKET_SIZE 1024 | |
61 | ||
62 | #define MIN_PACKET_SIZE 512 | |
63 | #ifdef _WIN32 | |
64 | #define MAX_PACKET_SIZE (2 * 1024 * 1024) | |
65 | #else | |
66 | #define MAX_PACKET_SIZE (12 * 1024 * 1024) | |
67 | #endif | |
68 | ||
69 | #define HANTEK_EP_IN 0x86 | |
70 | #define USB_INTERFACE 0 | |
71 | #define USB_CONFIGURATION 1 | |
72 | ||
73 | enum control_requests { | |
74 | VDIV_CH1_REG = 0xe0, | |
75 | VDIV_CH2_REG = 0xe1, | |
76 | SAMPLERATE_REG = 0xe2, | |
77 | TRIGGER_REG = 0xe3, | |
78 | CHANNELS_REG = 0xe4, | |
79 | COUPLING_REG = 0xe5, | |
80 | }; | |
81 | ||
82 | enum states { | |
83 | IDLE, | |
84 | FLUSH, | |
85 | CAPTURE, | |
86 | STOPPING, | |
87 | }; | |
88 | ||
89 | enum couplings { | |
90 | COUPLING_AC = 0, | |
91 | COUPLING_DC, | |
92 | }; | |
93 | ||
94 | struct hantek_6xxx_profile { | |
95 | /* VID/PID after cold boot */ | |
96 | uint16_t orig_vid; | |
97 | uint16_t orig_pid; | |
98 | /* VID/PID after firmware upload */ | |
99 | uint16_t fw_vid; | |
100 | uint16_t fw_pid; | |
101 | uint16_t fw_prod_ver; | |
102 | const char *vendor; | |
103 | const char *model; | |
104 | const char *firmware; | |
105 | const char **coupling_vals; | |
106 | uint8_t coupling_tab_size; | |
107 | gboolean has_coupling; | |
108 | }; | |
109 | ||
110 | struct dev_context { | |
111 | const struct hantek_6xxx_profile *profile; | |
112 | GSList *enabled_channels; | |
113 | /* | |
114 | * We can't keep track of an FX2-based device after upgrading | |
115 | * the firmware (it re-enumerates into a different device address | |
116 | * after the upgrade) this is like a global lock. No device will open | |
117 | * until a proper delay after the last device was upgraded. | |
118 | */ | |
119 | int64_t fw_updated; | |
120 | int dev_state; | |
121 | uint64_t samp_received; | |
122 | uint64_t aq_started; | |
123 | ||
124 | uint64_t read_start_ts; | |
125 | uint32_t read_data_amount; | |
126 | ||
127 | struct libusb_transfer **sample_buf; | |
128 | uint32_t sample_buf_write; | |
129 | uint32_t sample_buf_size; | |
130 | ||
131 | gboolean ch_enabled[NUM_CHANNELS]; | |
132 | int voltage[NUM_CHANNELS]; | |
133 | int coupling[NUM_CHANNELS]; | |
134 | const char **coupling_vals; | |
135 | uint8_t coupling_tab_size; | |
136 | gboolean has_coupling; | |
137 | uint64_t samplerate; | |
138 | ||
139 | uint64_t limit_msec; | |
140 | uint64_t limit_samples; | |
141 | }; | |
142 | ||
143 | SR_PRIV int hantek_6xxx_open(struct sr_dev_inst *sdi); | |
144 | SR_PRIV void hantek_6xxx_close(struct sr_dev_inst *sdi); | |
145 | SR_PRIV int hantek_6xxx_get_channeldata(const struct sr_dev_inst *sdi, | |
146 | libusb_transfer_cb_fn cb, uint32_t data_amount); | |
147 | ||
148 | SR_PRIV int hantek_6xxx_start_data_collecting(const struct sr_dev_inst *sdi); | |
149 | SR_PRIV int hantek_6xxx_stop_data_collecting(const struct sr_dev_inst *sdi); | |
150 | ||
151 | SR_PRIV int hantek_6xxx_update_coupling(const struct sr_dev_inst *sdi); | |
152 | SR_PRIV int hantek_6xxx_update_samplerate(const struct sr_dev_inst *sdi); | |
153 | SR_PRIV int hantek_6xxx_update_vdiv(const struct sr_dev_inst *sdi); | |
154 | SR_PRIV int hantek_6xxx_update_channels(const struct sr_dev_inst *sdi); | |
155 | SR_PRIV int hantek_6xxx_init(const struct sr_dev_inst *sdi); | |
156 | ||
157 | #endif |