hardware/fx2lafw/command.h

   1 /*
   2  * This file is part of the sigrok project.
   3  *
   4  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
   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_FX2LAFW_COMMAND_H
  21 #define LIBSIGROK_HARDWARE_FX2LAFW_COMMAND_H
  22
  23 #include <stdbool.h>
  24
  25 #include "sigrok.h"
  26
  27 /* Protocol commands */
  28 #define CMD_GET_FW_VERSION              0xb0
  29 #define CMD_START                       0xb1
  30 #define CMD_GET_REVID_VERSION           0xb2
  31
  32 #define CMD_START_FLAGS_WIDE_POS        5
  33 #define CMD_START_FLAGS_CLK_SRC_POS     6
  34
  35 #define CMD_START_FLAGS_SAMPLE_8BIT     (0 << CMD_START_FLAGS_WIDE_POS)
  36 #define CMD_START_FLAGS_SAMPLE_16BIT    (1 << CMD_START_FLAGS_WIDE_POS)
  37
  38 #define CMD_START_FLAGS_CLK_30MHZ       (0 << CMD_START_FLAGS_CLK_SRC_POS)
  39 #define CMD_START_FLAGS_CLK_48MHZ       (1 << CMD_START_FLAGS_CLK_SRC_POS)
  40
  41 #pragma pack(push, 1)
  42
  43 struct version_info {
  44         uint8_t major;
  45         uint8_t minor;
  46 };
  47
  48 struct cmd_start_acquisition {
  49         uint8_t flags;
  50         uint8_t sample_delay_h;
  51         uint8_t sample_delay_l;
  52 };
  53
  54 #pragma pack(pop)
  55
  56 SR_PRIV int command_get_fw_version(libusb_device_handle *devhdl,
  57                                    struct version_info *vi);
  58 SR_PRIV int command_get_revid_version(libusb_device_handle *devhdl,
  59                                       uint8_t *revid);
  60 SR_PRIV int command_start_acquisition(libusb_device_handle *devhdl,
  61                                       uint64_t samplerate,
  62                                       bool samplewide);
  63
  64 #endif