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dfaee1de BG |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2015 Bartosz Golaszewski <bgolaszewski@baylibre.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_BAYLIBRE_ACME_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_BAYLIBRE_ACME_PROTOCOL_H | |
22 | ||
23 | #include <stdint.h> | |
24 | #include <glib.h> | |
391e23a9 | 25 | #include <unistd.h> |
dfaee1de BG |
26 | #include "libsigrok.h" |
27 | #include "libsigrok-internal.h" | |
28 | ||
29 | #define LOG_PREFIX "baylibre-acme" | |
30 | ||
6b80b80d BG |
31 | /* We support up to 8 energy/temperature probes. */ |
32 | #define MAX_PROBES 8 | |
33 | ||
34 | /* | |
35 | * Temperature probes can be connected to the last four ports on the | |
36 | * ACME cape. When scanning, first look for temperature probes starting | |
37 | * from this index. | |
38 | */ | |
39 | #define TEMP_PRB_START_INDEX 4 | |
40 | ||
41 | #define ENRG_PROBE_NAME "ina226" | |
42 | #define TEMP_PROBE_NAME "tmp435" | |
43 | ||
44 | /* For the user we number the probes starting from 1. */ | |
391e23a9 | 45 | #define PROBE_NUM(n) ((n) + 1) |
6b80b80d BG |
46 | |
47 | enum probe_type { | |
48 | PROBE_ENRG = 1, | |
49 | PROBE_TEMP, | |
50 | }; | |
51 | ||
52 | enum channel_type { | |
53 | ENRG_PWR = 1, | |
54 | ENRG_CURR, | |
55 | ENRG_VOL, | |
56 | TEMP_IN, | |
57 | TEMP_OUT, | |
58 | }; | |
59 | ||
dfaee1de BG |
60 | /** Private, per-device-instance driver context. */ |
61 | struct dev_context { | |
6b80b80d BG |
62 | uint64_t samplerate; |
63 | uint64_t limit_samples; | |
64 | uint64_t limit_msec; | |
dfaee1de | 65 | |
6b80b80d BG |
66 | uint32_t num_channels; |
67 | uint64_t samples_read; | |
68 | int64_t start_time; | |
69 | int64_t last_sample_fin; | |
70 | int pipe_fds[2]; | |
71 | GIOChannel *channel; | |
72 | }; | |
dfaee1de | 73 | |
6b80b80d BG |
74 | SR_PRIV uint8_t bl_acme_get_enrg_addr(int index); |
75 | SR_PRIV uint8_t bl_acme_get_temp_addr(int index); | |
dfaee1de | 76 | |
6b80b80d | 77 | SR_PRIV gboolean bl_acme_is_sane(void); |
dfaee1de | 78 | |
6b80b80d BG |
79 | SR_PRIV gboolean bl_acme_detect_probe(unsigned int addr, |
80 | int prb_num, const char *prb_name); | |
81 | SR_PRIV gboolean bl_acme_register_probe(struct sr_dev_inst *sdi, int type, | |
82 | unsigned int addr, int prb_num); | |
dfaee1de | 83 | |
61f2b7f7 BG |
84 | SR_PRIV int bl_acme_get_shunt(const struct sr_channel_group *cg, |
85 | uint64_t *shunt); | |
86 | SR_PRIV int bl_acme_set_shunt(const struct sr_channel_group *cg, | |
87 | uint64_t shunt); | |
740ad48a BG |
88 | SR_PRIV int bl_acme_read_power_state(const struct sr_channel_group *cg, |
89 | gboolean *off); | |
90 | SR_PRIV int bl_acme_set_power_off(const struct sr_channel_group *cg, | |
91 | gboolean off); | |
61f2b7f7 | 92 | |
6b80b80d | 93 | SR_PRIV int bl_acme_receive_data(int fd, int revents, void *cb_data); |
dfaee1de BG |
94 | |
95 | #endif |