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a8e913c4 JL |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2017 Jan Luebbe <jluebbe@lasnet.de> | |
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 | ||
b6189f7c UH |
20 | #ifndef LIBSIGROK_HARDWARE_SALEAE_LOGIC_PRO_PROTOCOL_H |
21 | #define LIBSIGROK_HARDWARE_SALEAE_LOGIC_PRO_PROTOCOL_H | |
a8e913c4 JL |
22 | |
23 | #include <stdint.h> | |
24 | #include <glib.h> | |
25 | #include <libsigrok/libsigrok.h> | |
26 | #include "libsigrok-internal.h" | |
27 | ||
b6189f7c | 28 | #define LOG_PREFIX "saleae-logic-pro" |
a8e913c4 | 29 | |
ca7d19b5 | 30 | /* 16 channels * 32 samples */ |
bb0c5271 UH |
31 | #define CONV_BATCH_SIZE (2 * 32) |
32 | ||
33 | /* | |
34 | * One packet + one partial conversion: Worst case is only one active | |
35 | * channel converted to 2 bytes per sample, with 8 * 16384 samples per packet. | |
ca7d19b5 | 36 | */ |
bb0c5271 | 37 | #define CONV_BUFFER_SIZE (2 * 8 * 16384 + CONV_BATCH_SIZE) |
ca7d19b5 | 38 | |
a8e913c4 | 39 | struct dev_context { |
ca7d19b5 JL |
40 | unsigned int dig_channel_cnt; |
41 | uint16_t dig_channel_mask; | |
42 | uint16_t dig_channel_masks[16]; | |
43 | uint64_t dig_samplerate; | |
a8e913c4 | 44 | |
ca7d19b5 | 45 | uint32_t lfsr; |
a8e913c4 | 46 | |
ca7d19b5 JL |
47 | unsigned int num_transfers; |
48 | unsigned int submitted_transfers; | |
49 | struct libusb_transfer **transfers; | |
a8e913c4 | 50 | |
ca7d19b5 JL |
51 | uint8_t *conv_buffer; |
52 | unsigned int conv_size; | |
53 | unsigned int batch_index; | |
a8e913c4 JL |
54 | }; |
55 | ||
b6189f7c UH |
56 | SR_PRIV int saleae_logic_pro_init(const struct sr_dev_inst *sdi); |
57 | SR_PRIV int saleae_logic_pro_prepare(const struct sr_dev_inst *sdi); | |
58 | SR_PRIV int saleae_logic_pro_start(const struct sr_dev_inst *sdi); | |
59 | SR_PRIV int saleae_logic_pro_stop(const struct sr_dev_inst *sdi); | |
60 | SR_PRIV void LIBUSB_CALL saleae_logic_pro_receive_data(struct libusb_transfer *transfer); | |
a8e913c4 JL |
61 | |
62 | #endif |