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6c6bc80a C |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
f2a66a8e | 4 | * Copyright (C) 2015 Christer Ekholm <christerekholm@gmail.com> |
6c6bc80a C |
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> | |
f2a66a8e | 24 | #include <string.h> |
6c6bc80a C |
25 | #include <glib.h> |
26 | #include <libsigrok/libsigrok.h> | |
27 | #include "libsigrok-internal.h" | |
28 | ||
29 | #define LOG_PREFIX "hantek-6xxx" | |
30 | ||
f2a66a8e C |
31 | #define MAX_RENUM_DELAY_MS 3000 |
32 | ||
33 | #define DEFAULT_VOLTAGE 2 | |
d9251a2c | 34 | #define DEFAULT_COUPLING COUPLING_DC |
f2a66a8e C |
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 \ | |
d9251a2c | 46 | 48, 30, 24, 16, 8, 4, 1, 50, 20, 10, |
f2a66a8e C |
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. */ | |
050eb3b3 | 60 | #define FLUSH_PACKET_SIZE 1024 |
f2a66a8e | 61 | |
050eb3b3 | 62 | #define MIN_PACKET_SIZE 512 |
f2a66a8e C |
63 | #define MAX_PACKET_SIZE (12 * 1024 * 1024) |
64 | ||
65 | #define HANTEK_EP_IN 0x86 | |
66 | #define USB_INTERFACE 0 | |
67 | #define USB_CONFIGURATION 1 | |
68 | ||
69 | enum control_requests { | |
70 | VDIV_CH1_REG = 0xe0, | |
71 | VDIV_CH2_REG = 0xe1, | |
72 | SAMPLERATE_REG = 0xe2, | |
73 | TRIGGER_REG = 0xe3, | |
74 | CHANNELS_REG = 0xe4, | |
cc5ebc8a | 75 | COUPLING_REG = 0xe5, |
f2a66a8e C |
76 | }; |
77 | ||
78 | enum states { | |
79 | IDLE, | |
80 | FLUSH, | |
81 | CAPTURE, | |
82 | STOPPING, | |
83 | }; | |
84 | ||
cc5ebc8a BL |
85 | enum couplings { |
86 | COUPLING_AC = 0, | |
87 | COUPLING_DC, | |
88 | }; | |
89 | ||
f2a66a8e C |
90 | struct hantek_6xxx_profile { |
91 | /* VID/PID after cold boot */ | |
92 | uint16_t orig_vid; | |
93 | uint16_t orig_pid; | |
94 | /* VID/PID after firmware upload */ | |
95 | uint16_t fw_vid; | |
96 | uint16_t fw_pid; | |
459324ac | 97 | uint16_t fw_prod_ver; |
f2a66a8e C |
98 | const char *vendor; |
99 | const char *model; | |
100 | const char *firmware; | |
5eb4ba29 BL |
101 | const char **coupling_vals; |
102 | uint8_t coupling_tab_size; | |
817b7441 | 103 | gboolean has_coupling; |
f2a66a8e C |
104 | }; |
105 | ||
6c6bc80a | 106 | struct dev_context { |
f2a66a8e | 107 | const struct hantek_6xxx_profile *profile; |
f2a66a8e C |
108 | GSList *enabled_channels; |
109 | /* | |
110 | * We can't keep track of an FX2-based device after upgrading | |
111 | * the firmware (it re-enumerates into a different device address | |
112 | * after the upgrade) this is like a global lock. No device will open | |
113 | * until a proper delay after the last device was upgraded. | |
114 | */ | |
115 | int64_t fw_updated; | |
116 | int dev_state; | |
117 | uint64_t samp_received; | |
118 | uint64_t aq_started; | |
6c6bc80a | 119 | |
f2a66a8e C |
120 | uint64_t read_start_ts; |
121 | uint32_t read_data_amount; | |
6c6bc80a | 122 | |
f2a66a8e C |
123 | struct libusb_transfer **sample_buf; |
124 | uint32_t sample_buf_write; | |
125 | uint32_t sample_buf_size; | |
6c6bc80a | 126 | |
f2a66a8e C |
127 | gboolean ch_enabled[NUM_CHANNELS]; |
128 | int voltage[NUM_CHANNELS]; | |
cc5ebc8a | 129 | int coupling[NUM_CHANNELS]; |
5eb4ba29 BL |
130 | const char **coupling_vals; |
131 | uint8_t coupling_tab_size; | |
817b7441 | 132 | gboolean has_coupling; |
f2a66a8e | 133 | uint64_t samplerate; |
6c6bc80a | 134 | |
f2a66a8e C |
135 | uint64_t limit_msec; |
136 | uint64_t limit_samples; | |
6c6bc80a C |
137 | }; |
138 | ||
f2a66a8e C |
139 | SR_PRIV int hantek_6xxx_open(struct sr_dev_inst *sdi); |
140 | SR_PRIV void hantek_6xxx_close(struct sr_dev_inst *sdi); | |
141 | SR_PRIV int hantek_6xxx_get_channeldata(const struct sr_dev_inst *sdi, | |
142 | libusb_transfer_cb_fn cb, uint32_t data_amount); | |
143 | ||
144 | SR_PRIV int hantek_6xxx_start_data_collecting(const struct sr_dev_inst *sdi); | |
145 | SR_PRIV int hantek_6xxx_stop_data_collecting(const struct sr_dev_inst *sdi); | |
146 | ||
cc5ebc8a | 147 | SR_PRIV int hantek_6xxx_update_coupling(const struct sr_dev_inst *sdi); |
f2a66a8e C |
148 | SR_PRIV int hantek_6xxx_update_samplerate(const struct sr_dev_inst *sdi); |
149 | SR_PRIV int hantek_6xxx_update_vdiv(const struct sr_dev_inst *sdi); | |
150 | SR_PRIV int hantek_6xxx_update_channels(const struct sr_dev_inst *sdi); | |
151 | SR_PRIV int hantek_6xxx_init(const struct sr_dev_inst *sdi); | |
6c6bc80a C |
152 | |
153 | #endif |