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79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/*
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* This file is part of the libsigrok project.
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*
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* Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../../libsigrok-internal.h"
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#include "command.h"
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#include "dsl.h"
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#include <assert.h>
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#include "../../log.h"
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SR_PRIV int command_ctl_wr(libusb_device_handle *devhdl, struct ctl_wr_cmd cmd)
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{
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int ret;
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assert(devhdl);
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/* Send the control command. */
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ret = libusb_control_transfer(devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
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LIBUSB_ENDPOINT_OUT, CMD_CTL_WR, 0x0000, 0x0000,
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(unsigned char *)&cmd, cmd.header.size+sizeof(struct ctl_header), 3000);
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if (ret < 0) {
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sr_err("Unable to send CMD_CTL_WR command(dest:%d/offset:%d/size:%d): %s.",
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cmd.header.dest, cmd.header.offset, cmd.header.size,
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libusb_error_name(ret));
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return SR_ERR;
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}
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return SR_OK;
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}
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SR_PRIV int command_ctl_rd(libusb_device_handle *devhdl, struct ctl_rd_cmd cmd)
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{
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int ret;
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assert(devhdl);
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/* Send the control message. */
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ret = libusb_control_transfer(devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
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LIBUSB_ENDPOINT_OUT, CMD_CTL_RD_PRE, 0x0000, 0x0000,
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(unsigned char *)&cmd, sizeof(struct ctl_header), 3000);
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if (ret < 0) {
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sr_err("Unable to send CMD_CTL_RD_PRE command(dest:%d/offset:%d/size:%d): %s.",
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cmd.header.dest, cmd.header.offset, cmd.header.size,
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libusb_error_name(ret));
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return SR_ERR;
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}
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g_usleep(10*1000);
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/* Send the control message. */
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ret = libusb_control_transfer(devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
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LIBUSB_ENDPOINT_IN, CMD_CTL_RD, 0x0000, 0x0000,
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(unsigned char *)cmd.data, cmd.header.size, 3000);
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if (ret < 0) {
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sr_err("Unable to send CMD_CTL_RD command: %s.",
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libusb_error_name(ret));
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return SR_ERR;
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}
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return SR_OK;
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}
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