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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> | |
25 | #include <unistd.h> | |
26 | #include <libsigrok/libsigrok.h> | |
27 | #include "libsigrok-internal.h" | |
28 | ||
29 | #define LOG_PREFIX "baylibre-acme" | |
30 | ||
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. */ | |
45 | #define PROBE_NUM(n) ((n) + 1) | |
46 | ||
47 | enum probe_type { | |
48 | PROBE_ENRG = 1, | |
49 | PROBE_TEMP, | |
50 | }; | |
51 | ||
52 | struct dev_context { | |
53 | uint64_t samplerate; | |
54 | struct sr_sw_limits limits; | |
55 | ||
56 | uint32_t num_channels; | |
57 | uint64_t samples_missed; | |
58 | int timer_fd; | |
59 | GIOChannel *channel; | |
60 | }; | |
61 | ||
62 | SR_PRIV uint8_t bl_acme_get_enrg_addr(int index); | |
63 | SR_PRIV uint8_t bl_acme_get_temp_addr(int index); | |
64 | ||
65 | SR_PRIV gboolean bl_acme_is_sane(void); | |
66 | ||
67 | SR_PRIV gboolean bl_acme_detect_probe(unsigned int addr, | |
68 | int prb_num, const char *prb_name); | |
69 | SR_PRIV gboolean bl_acme_register_probe(struct sr_dev_inst *sdi, int type, | |
70 | unsigned int addr, int prb_num); | |
71 | ||
72 | SR_PRIV int bl_acme_get_probe_type(const struct sr_channel_group *cg); | |
73 | SR_PRIV int bl_acme_probe_has_pws(const struct sr_channel_group *cg); | |
74 | ||
75 | SR_PRIV void bl_acme_maybe_set_update_interval(const struct sr_dev_inst *sdi, | |
76 | uint64_t samplerate); | |
77 | ||
78 | SR_PRIV int bl_acme_get_shunt(const struct sr_channel_group *cg, | |
79 | uint64_t *shunt); | |
80 | SR_PRIV int bl_acme_set_shunt(const struct sr_channel_group *cg, | |
81 | uint64_t shunt); | |
82 | SR_PRIV int bl_acme_read_power_state(const struct sr_channel_group *cg, | |
83 | gboolean *off); | |
84 | SR_PRIV int bl_acme_set_power_off(const struct sr_channel_group *cg, | |
85 | gboolean off); | |
86 | ||
87 | SR_PRIV int bl_acme_receive_data(int fd, int revents, void *cb_data); | |
88 | ||
89 | SR_PRIV int bl_acme_open_channel(struct sr_channel *ch); | |
90 | ||
91 | SR_PRIV void bl_acme_close_channel(struct sr_channel *ch); | |
92 | #endif |