libsigrok/hardware/fx2lafw/fx2lafw.h

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/*
* This file is part of the sigrok project.
*
* Copyright (C) 2010-2012 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/>.
*/
#include <glib.h>
#ifndef LIBSIGROK_HARDWARE_FX2LAFW_FX2LAFW_H
#define LIBSIGROK_HARDWARE_FX2LAFW_FX2LAFW_H
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#define USB_INTERFACE 0
#define USB_CONFIGURATION 1
#define NUM_TRIGGER_STAGES 4
#define TRIGGER_TYPES "01"
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#define MAX_RENUM_DELAY_MS 3000
#define NUM_SIMUL_TRANSFERS 32
#define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2)
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#define FX2LAFW_REQUIRED_VERSION_MAJOR 1
#define MAX_8BIT_SAMPLE_RATE SR_MHZ(24)
#define MAX_16BIT_SAMPLE_RATE SR_MHZ(12)
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/* 6 delay states of up to 256 clock ticks */
#define MAX_SAMPLE_DELAY (6 * 256)
/* Software trigger implementation: positive values indicate trigger stage. */
#define TRIGGER_FIRED -1
#define DEV_CAPS_16BIT_POS 0
#define DEV_CAPS_16BIT (1 << DEV_CAPS_16BIT_POS)
struct fx2lafw_profile {
uint16_t vid;
uint16_t pid;
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const char *vendor;
const char *model;
const char *model_version;
const char *firmware;
uint32_t dev_caps;
};
struct dev_context {
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const struct fx2lafw_profile *profile;
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/*
* Since we can't keep track of an fx2lafw device after upgrading
* the firmware (it re-enumerates 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;
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/* Device/capture settings */
uint64_t cur_samplerate;
uint64_t limit_samples;
gboolean sample_wide;
uint16_t trigger_mask[NUM_TRIGGER_STAGES];
uint16_t trigger_value[NUM_TRIGGER_STAGES];
int trigger_stage;
uint16_t trigger_buffer[NUM_TRIGGER_STAGES];
int num_samples;
int submitted_transfers;
int empty_transfer_count;
void *session_dev_id;
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struct sr_usb_dev_inst *usb;
unsigned int num_transfers;
struct libusb_transfer **transfers;
};
#endif