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8fa9368e BV |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.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_CEM_DT_885X_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_CEM_DT_885X_PROTOCOL_H | |
22 | ||
23 | #include <stdint.h> | |
24 | #include <glib.h> | |
25 | #include "libsigrok.h" | |
26 | #include "libsigrok-internal.h" | |
27 | ||
28 | /* Message logging helpers with subsystem-specific prefix string. */ | |
29 | #define LOG_PREFIX "cem-dt-885x: " | |
30 | #define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args) | |
31 | #define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args) | |
32 | #define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args) | |
33 | #define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args) | |
34 | #define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args) | |
35 | #define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args) | |
36 | ||
e37c4b39 BV |
37 | #define BUF_SIZE 32 |
38 | ||
39 | enum { | |
40 | TOKEN_WEIGHT_TIME_FAST = 0x02, | |
41 | TOKEN_WEIGHT_TIME_SLOW = 0x03, | |
42 | TOKEN_HOLD_MAX = 0x04, | |
43 | TOKEN_HOLD_MIN = 0x05, | |
44 | TOKEN_TIME = 0x06, | |
45 | TOKEN_MEAS_RANGE_OVER = 0x07, | |
46 | TOKEN_MEAS_RANGE_UNDER = 0x08, | |
47 | TOKEN_STORE_FULL = 0x09, | |
48 | TOKEN_RECORDING_ON = 0x0a, | |
49 | TOKEN_MEAS_WAS_READOUT = 0x0b, | |
50 | TOKEN_MEAS_WAS_BARGRAPH = 0x0c, | |
51 | TOKEN_MEASUREMENT = 0xd, | |
52 | TOKEN_HOLD_NONE = 0x0e, | |
53 | TOKEN_BATTERY_LOW = 0x0f, | |
54 | TOKEN_MEAS_RANGE_OK = 0x11, | |
55 | TOKEN_STORE_OK = 0x19, | |
56 | TOKEN_RECORDING_OFF = 0x1a, | |
57 | TOKEN_WEIGHT_FREQ_A = 0x1b, | |
58 | TOKEN_WEIGHT_FREQ_C = 0x1c, | |
59 | TOKEN_BATTERY_OK = 0x1f, | |
60 | TOKEN_MEAS_RANGE_30_80 = 0x30, | |
61 | TOKEN_MEAS_RANGE_30_130 = 0x40, | |
62 | TOKEN_MEAS_RANGE_50_100 = 0x4b, | |
63 | TOKEN_MEAS_RANGE_80_130 = 0x4c, | |
64 | }; | |
65 | ||
8fa9368e BV |
66 | /** Private, per-device-instance driver context. */ |
67 | struct dev_context { | |
8fa9368e | 68 | /* Acquisition settings */ |
7fb8279c | 69 | uint64_t limit_samples; |
8fa9368e BV |
70 | |
71 | /* Operational state */ | |
e37c4b39 BV |
72 | int state; |
73 | uint64_t num_samples; | |
74 | uint64_t cur_mqflags; | |
8fa9368e BV |
75 | |
76 | /* Temporary state across callbacks */ | |
e37c4b39 BV |
77 | void *cb_data; |
78 | unsigned char cmd; | |
79 | unsigned char token; | |
80 | int buf_len; | |
81 | unsigned char buf[BUF_SIZE]; | |
82 | ||
83 | }; | |
8fa9368e | 84 | |
e37c4b39 BV |
85 | /* Parser state machine. */ |
86 | enum { | |
87 | ST_INIT, | |
88 | ST_GET_TOKEN, | |
89 | ST_GET_DATA, | |
90 | ST_GET_LOG, | |
8fa9368e BV |
91 | }; |
92 | ||
93 | SR_PRIV int cem_dt_885x_receive_data(int fd, int revents, void *cb_data); | |
94 | ||
95 | #endif |