]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/saleae-logic16/protocol.h
Reorganize project tree.
[libsigrok.git] / src / hardware / saleae-logic16 / protocol.h
diff --git a/src/hardware/saleae-logic16/protocol.h b/src/hardware/saleae-logic16/protocol.h
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+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se>
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * 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_SALEAE_LOGIC16_PROTOCOL_H
+#define LIBSIGROK_HARDWARE_SALEAE_LOGIC16_PROTOCOL_H
+
+#include <stdint.h>
+#include <glib.h>
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+
+#define LOG_PREFIX "saleae-logic16"
+
+enum voltage_range {
+       VOLTAGE_RANGE_UNKNOWN,
+       VOLTAGE_RANGE_18_33_V,  /* 1.8V and 3.3V logic */
+       VOLTAGE_RANGE_5_V,      /* 5V logic */
+};
+
+/** Private, per-device-instance driver context. */
+struct dev_context {
+       /*
+        * Since we can't keep track of a Logic16 device after upgrading
+        * the firmware (it renumerates into a different device address
+        * after the upgrade) this is like a global lock. No device will open
+        * until a proper delay after the last device was upgraded.
+        */
+       int64_t fw_updated;
+
+       /** The currently configured samplerate of the device. */
+       uint64_t cur_samplerate;
+
+       /** Maximum number of samples to capture, if nonzero. */
+       uint64_t limit_samples;
+
+       /** The currently configured input voltage of the device. */
+       enum voltage_range cur_voltage_range;
+
+       /** The input voltage selected by the user. */
+       enum voltage_range selected_voltage_range;
+
+       /** Channels to use. */
+       uint16_t cur_channels;
+
+       /* EEPROM data from address 8. */
+       uint8_t eeprom_data[8];
+
+       int64_t sent_samples;
+       int submitted_transfers;
+       int empty_transfer_count;
+       int num_channels;
+       int cur_channel;
+       uint16_t channel_masks[16];
+       uint16_t channel_data[16];
+       uint8_t *convbuffer;
+       size_t convbuffer_size;
+       struct soft_trigger_logic *stl;
+       gboolean trigger_fired;
+
+       void *cb_data;
+       unsigned int num_transfers;
+       struct libusb_transfer **transfers;
+       struct sr_context *ctx;
+};
+
+SR_PRIV int logic16_setup_acquisition(const struct sr_dev_inst *sdi,
+                       uint64_t samplerate, uint16_t channels);
+SR_PRIV int logic16_start_acquisition(const struct sr_dev_inst *sdi);
+SR_PRIV int logic16_abort_acquisition(const struct sr_dev_inst *sdi);
+SR_PRIV int logic16_init_device(const struct sr_dev_inst *sdi);
+SR_PRIV void logic16_receive_transfer(struct libusb_transfer *transfer);
+
+#endif