124 lines
3.2 KiB
C
124 lines
3.2 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 "protocol.h"
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SR_PRIV int kecheng_kc_330b_handle_events(int fd, int revents, void *cb_data)
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{
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const struct sr_dev_inst *sdi;
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struct dev_context *devc;
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struct timeval tv;
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(void)fd;
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(void)revents;
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sdi = cb_data;
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devc = sdi->priv;
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return TRUE;
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}
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SR_PRIV int kecheng_kc_330b_configure(const struct sr_dev_inst *sdi)
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{
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struct dev_context *devc;
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struct sr_usb_dev_inst *usb;
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int len, ret;
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unsigned char buf[7];
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sr_dbg("Configuring device.");
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usb = sdi->conn;
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devc = sdi->priv;
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buf[0] = CMD_CONFIGURE;
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buf[1] = devc->sample_interval;
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buf[2] = devc->alarm_low;
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buf[3] = devc->alarm_high;
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buf[4] = devc->mqflags & SR_MQFLAG_SPL_TIME_WEIGHT_F ? 0 : 1;
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buf[5] = devc->mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_A ? 0 : 1;
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buf[6] = devc->data_source;
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ret = libusb_bulk_transfer(usb->devhdl, EP_OUT, buf, 7, &len, 5);
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if (ret != 0 || len != 7) {
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sr_dbg("Failed to configure device: %s", libusb_error_name(ret));
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return SR_ERR;
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}
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/* The configure command ack takes about 32ms to come in. */
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ret = libusb_bulk_transfer(usb->devhdl, EP_IN, buf, 1, &len, 40);
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if (ret != 0 || len != 1) {
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sr_dbg("Failed to configure device (no ack): %s", libusb_error_name(ret));
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return SR_ERR;
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}
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if (buf[0] != (CMD_CONFIGURE | 0x80)) {
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sr_dbg("Failed to configure device: invalid response 0x%2.x", buf[0]);
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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 kecheng_kc_330b_set_date_time(struct sr_dev_inst *sdi)
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{
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struct sr_usb_dev_inst *usb;
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GDateTime *dt;
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int len, ret;
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unsigned char buf[7];
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sr_dbg("Setting device date/time.");
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usb = sdi->conn;
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dt = g_date_time_new_now_local();
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buf[0] = CMD_SET_DATE_TIME;
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buf[1] = g_date_time_get_year(dt) - 2000;
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buf[2] = g_date_time_get_month(dt);
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buf[3] = g_date_time_get_day_of_month(dt);
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buf[4] = g_date_time_get_hour(dt);
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buf[5] = g_date_time_get_minute(dt);
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buf[6] = g_date_time_get_second(dt);
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g_date_time_unref(dt);
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ret = libusb_bulk_transfer(usb->devhdl, EP_OUT, buf, 7, &len, 5);
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if (ret != 0 || len != 7) {
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sr_dbg("Failed to set date/time: %s", libusb_error_name(ret));
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return SR_ERR;
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}
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ret = libusb_bulk_transfer(usb->devhdl, EP_IN, buf, 1, &len, 10);
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if (ret != 0 || len != 1) {
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sr_dbg("Failed to set date/time (no ack): %s", libusb_error_name(ret));
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return SR_ERR;
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}
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if (buf[0] != (CMD_SET_DATE_TIME | 0x80)) {
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sr_dbg("Failed to set date/time: invalid response 0x%2.x", buf[0]);
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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 kecheng_kc_330b_recording_get(const struct sr_dev_inst *sdi,
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gboolean *tmp)
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{
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return SR_OK;
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}
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