libsigrok/hardware/saleae-logic/saleae-logic.h

78 lines
2.4 KiB
C

/*
* This file is part of the sigrok project.
*
* Copyright (C) 2010-2012 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_SALEAE_LOGIC_SALEAE_LOGIC_H
#define LIBSIGROK_HARDWARE_SALEAE_LOGIC_SALEAE_LOGIC_H
#define USB_INTERFACE 0
#define USB_CONFIGURATION 1
#define NUM_TRIGGER_STAGES 4
#define TRIGGER_TYPES "01"
#define FIRMWARE FIRMWARE_DIR "/saleae-logic.fw"
/* delay in ms */
#define MAX_RENUM_DELAY 3000
#define NUM_SIMUL_TRANSFERS 10
#define MAX_EMPTY_TRANSFERS (NUM_SIMUL_TRANSFERS * 2)
/* Software trigger implementation: positive values indicate trigger stage. */
#define TRIGGER_FIRED -1
struct fx2_profile {
/* VID/PID when first found */
uint16_t orig_vid;
uint16_t orig_pid;
/* VID/PID after firmware upload */
uint16_t fw_vid;
uint16_t fw_pid;
char *vendor;
char *model;
char *model_version;
int num_probes;
};
/* Private, per-device-instance driver context. */
struct context {
struct fx2_profile *profile;
/*
* Since we can't keep track of a Saleae Logic 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.
*/
GTimeVal fw_updated;
/* device/capture settings */
uint64_t cur_samplerate;
uint64_t limit_samples;
uint8_t probe_mask;
uint8_t trigger_mask[NUM_TRIGGER_STAGES];
uint8_t trigger_value[NUM_TRIGGER_STAGES];
int trigger_stage;
uint8_t trigger_buffer[NUM_TRIGGER_STAGES];
/*
* opaque session data passed in by the frontend, will be passed back
* on the session bus along with samples.
*/
void *session_dev_id;
struct sr_usb_dev_inst *usb;
};
#endif