Reorganize project tree.

[libsigrok.git] / src / hardware / testo / protocol.h

diff --git a/src/hardware/testo/protocol.h b/src/hardware/testo/protocol.h
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+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2014 Bert Vermeulen <bert@biot.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBSIGROK_HARDWARE_TESTO_PROTOCOL_H
+#define LIBSIGROK_HARDWARE_TESTO_PROTOCOL_H
+
+#include <stdint.h>
+#include <glib.h>
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+
+#define LOG_PREFIX "testo"
+
+#define MAX_REPLY_SIZE       128
+#define MAX_CHANNELS         16
+
+/* FTDI commands */
+#define FTDI_SET_MODEMCTRL   0x01
+#define FTDI_SET_FLOWCTRL    0x02
+#define FTDI_SET_BAUDRATE    0x03
+#define FTDI_SET_PARAMS      0x04
+/* FTDI command values */
+#define FTDI_BAUDRATE_115200 0x001a
+#define FTDI_PARAMS_8N1      0x0008
+#define FTDI_FLOW_NONE       0x0008
+#define FTDI_MODEM_ALLHIGH   0x0303
+#define FTDI_INDEX           0x0000
+/* FTDI USB stuff */
+#define EP_IN                1 | LIBUSB_ENDPOINT_IN
+#define EP_OUT               2 | LIBUSB_ENDPOINT_OUT
+
+struct testo_model {
+       char *name;
+       int request_size;
+       unsigned char *request;
+};
+
+/** Private, per-device-instance driver context. */
+struct dev_context {
+       /* Model-specific information */
+       struct testo_model *model;
+
+       /* Acquisition settings */
+       uint64_t limit_msec;
+       uint64_t limit_samples;
+       void *cb_data;
+
+       /* Operational state */
+       gint64 end_time;
+       uint64_t num_samples;
+       uint8_t channel_units[MAX_CHANNELS];
+       int num_channels;
+
+       /* Temporary state across callbacks */
+       struct libusb_transfer *out_transfer;
+       unsigned char reply[MAX_REPLY_SIZE];
+       int reply_size;
+};
+
+SR_PRIV int testo_set_serial_params(struct sr_usb_dev_inst *usb);
+SR_PRIV int testo_probe_channels(struct sr_dev_inst *sdi);
+SR_PRIV void receive_transfer(struct libusb_transfer *transfer);
+SR_PRIV int testo_request_packet(const struct sr_dev_inst *sdi);
+SR_PRIV gboolean testo_check_packet_prefix(unsigned char *buf, int len);
+SR_PRIV uint16_t crc16_mcrf4xx(uint16_t crc, uint8_t *data, size_t len);
+SR_PRIV void testo_receive_packet(const struct sr_dev_inst *sdi);
+#endif