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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2016 Andreas Zschunke <andreas.zschunke@gmx.net> | |
5 | * Copyright (C) 2017 Andrej Valek <andy@skyrain.eu> | |
6 | * Copyright (C) 2017 Uwe Hermann <uwe@hermann-uwe.de> | |
7 | * | |
8 | * This program is free software: you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation, either version 3 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 | */ | |
21 | ||
22 | #ifndef LIBSIGROK_HARDWARE_HANTEK_4032L_PROTOCOL_H | |
23 | #define LIBSIGROK_HARDWARE_HANTEK_4032L_PROTOCOL_H | |
24 | ||
25 | #include <stdint.h> | |
26 | #include <glib.h> | |
27 | #include <string.h> | |
28 | #include <libsigrok/libsigrok.h> | |
29 | #include "libsigrok-internal.h" | |
30 | ||
31 | #define LOG_PREFIX "hantek-4032l" | |
32 | ||
33 | #define H4032L_USB_VENDOR 0x04b5 | |
34 | #define H4032L_USB_PRODUCT 0x4032 | |
35 | ||
36 | #define H4032L_DATA_BUFFER_SIZE (2 * 1024) | |
37 | #define H4032L_DATA_TRANSFER_MAX_NUM 32 | |
38 | ||
39 | #define H4032L_CMD_PKT_MAGIC 0x017f | |
40 | #define H4032L_STATUS_PACKET_MAGIC 0x2B1A037F | |
41 | #define H4032L_START_PACKET_MAGIC 0x2B1A027F | |
42 | #define H4032L_END_PACKET_MAGIC 0x4D3C037F | |
43 | ||
44 | enum h4032l_trigger_edge_type { | |
45 | H4032L_TRIGGER_EDGE_TYPE_RISE, | |
46 | H4032L_TRIGGER_EDGE_TYPE_FALL, | |
47 | H4032L_TRIGGER_EDGE_TYPE_TOGGLE, | |
48 | H4032L_TRIGGER_EDGE_TYPE_DISABLED | |
49 | }; | |
50 | ||
51 | enum h4032l_trigger_data_range_type { | |
52 | H4032L_TRIGGER_DATA_RANGE_TYPE_MAX, | |
53 | H4032L_TRIGGER_DATA_RANGE_TYPE_MIN_OR_MAX, | |
54 | H4032L_TRIGGER_DATA_RANGE_TYPE_OUT_OF_RANGE, | |
55 | H4032L_TRIGGER_DATA_RANGE_TYPE_WITHIN_RANGE | |
56 | }; | |
57 | ||
58 | enum h4032l_trigger_time_range_type { | |
59 | H4032L_TRIGGER_TIME_RANGE_TYPE_MAX, | |
60 | H4032L_TRIGGER_TIME_RANGE_TYPE_MIN_OR_MAX, | |
61 | H4032L_TRIGGER_TIME_RANGE_TYPE_OUT_OF_RANGE, | |
62 | H4032L_TRIGGER_TIME_RANGE_TYPE_WITHIN_RANGE | |
63 | }; | |
64 | ||
65 | enum h4032l_trigger_data_selection { | |
66 | H4032L_TRIGGER_DATA_SELECTION_NEXT, | |
67 | H4032L_TRIGGER_DATA_SELECTION_CURRENT, | |
68 | H4032L_TRIGGER_DATA_SELECTION_PREV | |
69 | }; | |
70 | ||
71 | enum h4032l_status { | |
72 | H4032L_STATUS_IDLE, | |
73 | H4032L_STATUS_CMD_CONFIGURE, | |
74 | H4032L_STATUS_CMD_STATUS, | |
75 | H4032L_STATUS_RESPONSE_STATUS, | |
76 | H4032L_STATUS_RESPONSE_STATUS_RETRY, | |
77 | H4032L_STATUS_RESPONSE_STATUS_CONTINUE, | |
78 | H4032L_STATUS_CMD_GET, | |
79 | H4032L_STATUS_FIRST_TRANSFER, | |
80 | H4032L_STATUS_TRANSFER | |
81 | }; | |
82 | ||
83 | #pragma pack(push,2) | |
84 | struct h4032l_trigger { | |
85 | struct { | |
86 | uint32_t edge_signal:5; | |
87 | uint32_t edge_type:2; | |
88 | uint32_t :1; | |
89 | uint32_t data_range_type:2; | |
90 | uint32_t time_range_type:2; | |
91 | uint32_t data_range_enabled:1; | |
92 | uint32_t time_range_enabled:1; | |
93 | uint32_t :2; | |
94 | uint32_t data_sel:2; | |
95 | uint32_t combined_enabled:1; | |
96 | } flags; | |
97 | uint32_t data_range_min; | |
98 | uint32_t data_range_max; | |
99 | uint32_t time_range_min; | |
100 | uint32_t time_range_max; | |
101 | uint32_t data_range_mask; | |
102 | uint32_t combine_mask; | |
103 | uint32_t combine_data; | |
104 | }; | |
105 | ||
106 | struct h4032l_cmd_pkt { | |
107 | uint16_t magic; /* 0x017f */ | |
108 | uint8_t sample_rate; | |
109 | struct { | |
110 | uint8_t enable_trigger1:1; | |
111 | uint8_t enable_trigger2:1; | |
112 | uint8_t trigger_and_logic:1; | |
113 | } trig_flags; | |
114 | uint16_t pwm_a; | |
115 | uint16_t pwm_b; | |
116 | uint16_t reserved; | |
117 | uint32_t sample_size; /* Sample depth in bits per channel, 2k-64M, must be multiple of 512. */ | |
118 | uint32_t pre_trigger_size; /* Pretrigger buffer depth in bits, must be < sample_size. */ | |
119 | struct h4032l_trigger trigger[2]; | |
120 | uint16_t cmd; | |
121 | }; | |
122 | #pragma pack(pop) | |
123 | ||
124 | struct dev_context { | |
125 | enum h4032l_status status; | |
126 | int submitted_transfers; | |
127 | uint32_t remaining_samples; | |
128 | gboolean acq_aborted; | |
129 | struct h4032l_cmd_pkt cmd_pkt; | |
130 | unsigned int num_transfers; | |
131 | struct libusb_transfer **transfers; | |
132 | uint8_t buffer[512]; | |
133 | uint64_t capture_ratio; | |
134 | uint32_t fpga_version; | |
135 | }; | |
136 | ||
137 | SR_PRIV int h4032l_receive_data(int fd, int revents, void *cb_data); | |
138 | SR_PRIV uint16_t h4032l_voltage2pwm(double voltage); | |
139 | SR_PRIV void LIBUSB_CALL h4032l_usb_callback(struct libusb_transfer *transfer); | |
140 | SR_PRIV void LIBUSB_CALL h4032l_data_transfer_callback(struct libusb_transfer *transfer); | |
141 | SR_PRIV int h4032l_start_data_transfers(const struct sr_dev_inst *sdi); | |
142 | SR_PRIV int h4032l_start(const struct sr_dev_inst *sdi); | |
143 | SR_PRIV int h4032l_stop(struct sr_dev_inst *sdi); | |
144 | SR_PRIV int h4032l_dev_open(struct sr_dev_inst *sdi); | |
145 | SR_PRIV int h4032l_get_fpga_version(const struct sr_dev_inst *sdi); | |
146 | ||
147 | #endif |