X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fsaleae-logic16%2Fprotocol.h;h=8a1ded823900e7ae41c194f355d1a73b5f07fb15;hb=f2a189f0a7737d6abc1140b61a554c4a9f1efb70;hp=a3ae1f82146e2d6372c685ff88d90d9ce229781a;hpb=c463dcf06cdeb7f6ec0d2bafda707cce3a486bf0;p=libsigrok.git

diff --git a/hardware/saleae-logic16/protocol.h b/hardware/saleae-logic16/protocol.h
index a3ae1f82..8a1ded82 100644
--- a/hardware/saleae-logic16/protocol.h
+++ b/hardware/saleae-logic16/protocol.h
@@ -2,6 +2,8 @@
  * 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
@@ -25,27 +27,65 @@
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
 
-/* Message logging helpers with subsystem-specific prefix string. */
-#define LOG_PREFIX "saleae-logic16: "
-#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
-#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
-#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
-#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
-#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
-#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
+#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 {
-	/* Model-specific information */
+	/*
+	 * 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;
 
-	/* Acquisition settings */
+	/** Channels to use. */
+	uint16_t cur_channels;
 
-	/* Operational state */
+	/* EEPROM data from address 8. */
+	uint8_t eeprom_data[8];
 
-	/* Temporary state across callbacks */
+	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 saleae_logic16_receive_data(int fd, int revents, void *cb_data);
+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