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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2016 George Hopkins <george-hopkins@null.net> | |
5 | * Copyright (C) 2016 Matthieu Guillaumin <matthieu@guillaum.in> | |
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 | ||
21 | #ifndef LIBSIGROK_HARDWARE_PCE_322A_PROTOCOL_H | |
22 | #define LIBSIGROK_HARDWARE_PCE_322A_PROTOCOL_H | |
23 | ||
24 | #include <stdint.h> | |
25 | #include <glib.h> | |
26 | #include <libsigrok/libsigrok.h> | |
27 | #include "libsigrok-internal.h" | |
28 | ||
29 | #define LOG_PREFIX "pce-322a" | |
30 | ||
31 | #define BUFFER_SIZE 13 | |
32 | #define MEM_USAGE_BUFFER_SIZE 9 | |
33 | #define MEM_DATA_BUFFER_SIZE 11 | |
34 | ||
35 | enum { | |
36 | CMD_CONNECT = 0xacff, | |
37 | CMD_DISCONNECT = 0xcaff, | |
38 | CMD_TOGGLE_WEIGHT_FREQ = 0xaaf1, | |
39 | CMD_TOGGLE_MEAS_RANGE = 0xaaf2, | |
40 | CMD_TOGGLE_HOLD_MAX_MIN = 0xaaf3, | |
41 | CMD_TOGGLE_WEIGHT_TIME = 0xaaf4, | |
42 | CMD_TOGGLE_HOLD = 0xaaf5, | |
43 | CMD_TOGGLE_BACKLIGHT = 0xaaf6, | |
44 | CMD_TOGGLE_DATE_TIME = 0xaaf7, | |
45 | CMD_LOG_START = 0x7e00, | |
46 | CMD_MEMORY_STATUS = 0xadda, | |
47 | CMD_MEMORY_TRANSFER = 0xd3da, | |
48 | CMD_MEMORY_CLEAR = 0xaac1, | |
49 | CMD_POWER_OFF = 0xaaf8, | |
50 | }; | |
51 | ||
52 | enum { | |
53 | MEAS_RANGE_30_130 = 0, | |
54 | MEAS_RANGE_30_80 = 1, | |
55 | MEAS_RANGE_50_100 = 2, | |
56 | MEAS_RANGE_80_130 = 3, | |
57 | }; | |
58 | ||
59 | enum { | |
60 | DATA_SOURCE_LIVE, | |
61 | DATA_SOURCE_MEMORY, | |
62 | }; | |
63 | ||
64 | enum { | |
65 | MEM_STATE_REQUEST_MEMORY_USAGE, | |
66 | MEM_STATE_GET_MEMORY_USAGE, | |
67 | MEM_STATE_REQUEST_MEMORY_BLOCK, | |
68 | MEM_STATE_GET_MEMORY_BLOCK, | |
69 | }; | |
70 | ||
71 | struct dev_context { | |
72 | uint64_t cur_mqflags; | |
73 | uint8_t cur_meas_range; | |
74 | ||
75 | uint8_t cur_data_source; | |
76 | uint64_t limit_samples; | |
77 | ||
78 | uint64_t num_samples; | |
79 | ||
80 | /* Memory reading state */ | |
81 | uint8_t memory_state; /* State for requesting memory usage before memory blocks. */ | |
82 | uint16_t memory_block_usage; /* Store number of memory blocks used. */ | |
83 | uint8_t memory_last_block_usage; /* Store size of last memory block. */ | |
84 | uint16_t memory_block_counter; /* Number of memory blocks retrieved so far. */ | |
85 | uint8_t memory_block_cursor; /* Number of bytes retrieved in current memory block. */ | |
86 | ||
87 | uint8_t buffer[BUFFER_SIZE]; | |
88 | int buffer_len; | |
89 | int buffer_skip; /* Number of bytes to skip in memory mode. */ | |
90 | }; | |
91 | ||
92 | SR_PRIV int pce_322a_connect(const struct sr_dev_inst *sdi); | |
93 | SR_PRIV int pce_322a_disconnect(const struct sr_dev_inst *sdi); | |
94 | SR_PRIV int pce_322a_memory_status(const struct sr_dev_inst *sdi); | |
95 | SR_PRIV int pce_322a_memory_clear(const struct sr_dev_inst *sdi); | |
96 | SR_PRIV int pce_322a_memory_block(const struct sr_dev_inst *sdi, uint16_t memblk); | |
97 | SR_PRIV int pce_322a_receive_data(int fd, int revents, void *cb_data); | |
98 | SR_PRIV uint64_t pce_322a_weight_freq_get(const struct sr_dev_inst *sdi); | |
99 | SR_PRIV int pce_322a_weight_freq_set(const struct sr_dev_inst *sdi, uint64_t freqw); | |
100 | SR_PRIV uint64_t pce_322a_weight_time_get(const struct sr_dev_inst *sdi); | |
101 | SR_PRIV int pce_322a_weight_time_set(const struct sr_dev_inst *sdi, uint64_t timew); | |
102 | SR_PRIV int pce_322a_meas_range_get(const struct sr_dev_inst *sdi, | |
103 | uint64_t *low, uint64_t *high); | |
104 | SR_PRIV int pce_322a_meas_range_set(const struct sr_dev_inst *sdi, | |
105 | uint64_t low, uint64_t high); | |
106 | SR_PRIV int pce_322a_power_off(const struct sr_dev_inst *sdi); | |
107 | ||
108 | #endif |