+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2013 Marc Schink <sigrok-dev@marcschink.de>
- *
- * 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_IKALOGIC_SCANALOGIC2_PROTOCOL_H
-#define LIBSIGROK_HARDWARE_IKALOGIC_SCANALOGIC2_PROTOCOL_H
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdint.h>
-#include <glib.h>
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
-
-#define LOG_PREFIX "ikalogic-scanalogic2"
-
-#define VENDOR_NAME "IKALOGIC"
-#define MODEL_NAME "Scanalogic-2"
-
-#define USB_VID_PID "20a0.4123"
-#define USB_INTERFACE 0
-#define USB_TIMEOUT 5000
-
-#define USB_REQUEST_TYPE_IN (LIBUSB_REQUEST_TYPE_CLASS | \
- LIBUSB_RECIPIENT_INTERFACE | LIBUSB_ENDPOINT_IN)
-
-#define USB_REQUEST_TYPE_OUT (LIBUSB_REQUEST_TYPE_CLASS | \
- LIBUSB_RECIPIENT_INTERFACE | LIBUSB_ENDPOINT_OUT)
-
-#define USB_HID_GET_REPORT 0x01
-#define USB_HID_SET_REPORT 0x09
-#define USB_HID_REPORT_TYPE_FEATURE 0x300
-
-#define NUM_SAMPLERATES 11
-#define NUM_CHANNELS 4
-
-/*
- * Number of sample bytes and samples the device can acquire. Note that the
- * vendor software can acquire 32736 sample bytes only but the device is capable
- * to acquire up to 32766 sample bytes.
- */
-#define MAX_DEV_SAMPLE_BYTES 32766
-#define MAX_DEV_SAMPLES (MAX_INT_SAMPLE_BYTES * 8)
-
-/* Number of sample bytes and samples the driver can acquire. */
-#define MAX_SAMPLE_BYTES (MAX_DEV_SAMPLE_BYTES - 1)
-#define MAX_SAMPLES (MAX_SAMPLE_BYTES * 8)
-
-/* Maximum time that the trigger can be delayed in milliseconds. */
-#define MAX_AFTER_TRIGGER_DELAY 65000
-
-#define PACKET_LENGTH 128
-
-/* Number of sample bytes per packet where a sample byte contains 8 samples. */
-#define PACKET_NUM_SAMPLE_BYTES 124
-
-/* Number of samples per packet. */
-#define PACKET_NUM_SAMPLES (PACKET_NUM_SAMPLE_BYTES * 8)
-
-#define DEFAULT_SAMPLERATE SR_KHZ(1.25)
-
-/*
- * Time interval between the last status of available data received and the
- * moment when the next status request will be sent in microseconds.
- */
-#define WAIT_DATA_READY_INTERVAL 1500000
-
-#define CMD_SAMPLE 0x01
-#define CMD_RESET 0x02
-#define CMD_IDLE 0x07
-#define CMD_INFO 0x0a
-
-#define TRIGGER_CHANNEL_ALL 0x00
-#define TRIGGER_CHANNEL_0 0x01
-#define TRIGGER_CHANNEL_1 0x02
-#define TRIGGER_CHANNEL_2 0x03
-
-#define TRIGGER_TYPE_NEGEDGE 0x00
-#define TRIGGER_TYPE_POSEDGE 0x01
-#define TRIGGER_TYPE_ANYEDGE 0x02
-#define TRIGGER_TYPE_NONE 0x03
-
-#define STATUS_DATA_READY 0x60
-#define STATUS_WAITING_FOR_TRIGGER 0x61
-#define STATUS_SAMPLING 0x62
-#define STATUS_DEVICE_READY 0x63
-
-struct device_info {
- /* Serial number of the device. */
- uint32_t serial;
-
- /* Major version of the firmware. */
- uint8_t fw_ver_major;
-
- /* Minor version of the firmware. */
- uint8_t fw_ver_minor;
-};
-
-enum {
- STATE_IDLE = 0,
- STATE_SAMPLE,
- STATE_WAIT_DATA_READY,
- STATE_RECEIVE_DATA,
- STATE_RESET_AND_IDLE,
- STATE_WAIT_DEVICE_READY
-};
-
-/** Private, per-device-instance driver context. */
-struct dev_context {
- /* Current selected samplerate. */
- uint64_t samplerate;
-
- /* Device specific identifier for the current samplerate. */
- uint8_t samplerate_id;
-
- /* Current sampling limit. */
- uint64_t limit_samples;
-
- /* Calculated number of pre-trigger samples. */
- uint64_t pre_trigger_samples;
-
- /* Number of pre- and post-trigger sample bytes to acquire. */
- uint16_t pre_trigger_bytes;
- uint16_t post_trigger_bytes;
-
- /* Device specific settings for the trigger. */
- uint8_t trigger_channel;
- uint8_t trigger_type;
-
- unsigned int capture_ratio;
-
- /* Time that the trigger will be delayed in milliseconds. */
- uint16_t after_trigger_delay;
-
- void *cb_data;
-
- /* Array to provide an index based access to all channels. */
- const struct sr_channel *channels[NUM_CHANNELS];
-
- struct libusb_transfer *xfer_in, *xfer_out;
-
- /*
- * Buffer to store setup and payload data for incoming and outgoing
- * transfers.
- */
- uint8_t xfer_buf_in[LIBUSB_CONTROL_SETUP_SIZE + PACKET_LENGTH];
- uint8_t xfer_buf_out[LIBUSB_CONTROL_SETUP_SIZE + PACKET_LENGTH];
-
- /* Pointers to the payload of incoming and outgoing transfers. */
- uint8_t *xfer_data_in, *xfer_data_out;
-
- /* Current state of the state machine */
- unsigned int state;
-
- /* Next state of the state machine. */
- unsigned int next_state;
-
- /*
- * Locking variable to ensure that no status about available data will
- * be requested until the last status was received.
- */
- gboolean wait_data_ready_locked;
-
- /*
- * Time when the last response about the status of available data was
- * received.
- */
- int64_t wait_data_ready_time;
-
- /*
- * Indicates that stopping of the acquisition is currently in progress.
- */
- gboolean stopping_in_progress;
-
- /*
- * Buffer which contains the samples received from the device for each
- * channel except the last one. The samples of the last channel will be
- * processed directly after they will be received.
- */
- uint8_t sample_buffer[NUM_CHANNELS - 1][MAX_DEV_SAMPLE_BYTES];
-
- /* Expected number of sample packets for each channel. */
- uint16_t num_sample_packets;
-
- /* Number of samples already processed. */
- uint64_t samples_processed;
-
- /* Sample packet number that is currently processed. */
- uint16_t sample_packet;
-
- /* Channel number that is currently processed. */
- uint8_t channel;
-
- /* Number of enabled channels. */
- unsigned int num_enabled_channels;
-
- /* Array to provide a sequential access to all enabled channel indices. */
- uint8_t channel_map[NUM_CHANNELS];
-
- /* Indicates whether a transfer failed. */
- gboolean transfer_error;
-};
-
-SR_PRIV int ikalogic_scanalogic2_receive_data(int fd, int revents, void *cb_data);
-SR_PRIV void sl2_receive_transfer_in(struct libusb_transfer *transfer);
-SR_PRIV void sl2_receive_transfer_out(struct libusb_transfer *transfer);
-SR_PRIV int sl2_set_samplerate(const struct sr_dev_inst *sdi,
- uint64_t samplerate);
-SR_PRIV int sl2_set_limit_samples(const struct sr_dev_inst *sdi,
- uint64_t limit_samples);
-SR_PRIV int sl2_convert_trigger(const struct sr_dev_inst *sdi);
-SR_PRIV int sl2_set_capture_ratio(const struct sr_dev_inst *sdi,
- uint64_t capture_ratio);
-SR_PRIV int sl2_set_after_trigger_delay(const struct sr_dev_inst *sdi,
- uint64_t after_trigger_delay);
-SR_PRIV void sl2_calculate_trigger_samples(const struct sr_dev_inst *sdi);
-SR_PRIV int sl2_get_device_info(struct sr_usb_dev_inst usb,
- struct device_info *dev_info);
-SR_PRIV int sl2_transfer_in(libusb_device_handle *dev_handle, uint8_t *data);
-SR_PRIV int sl2_transfer_out(libusb_device_handle *dev_handle, uint8_t *data);
-
-#endif
projects / libsigrok.git / blobdiff