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DSView/libsigrok4DSL/libsigrok-internal.h
dreamsourcelabTAI 4185d823d2 Code refactoring 10
2022-08-12 13:25:50 +08:00

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/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2013 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_SIGROK_INTERNAL_H
#define LIBSIGROK_SIGROK_INTERNAL_H
//#include <stdarg.h>
#include <glib.h>
#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
#include <libusb-1.0/libusb.h>
#include "libsigrok.h"
/**
* @file
*
* libsigrok private header file, only to be used internally.
*/
/*--- Macros ----------------------------------------------------------------*/
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#endif
#ifndef ARRAY_AND_SIZE
#define ARRAY_AND_SIZE(a) (a), ARRAY_SIZE(a)
#endif
#undef min
#define min(a,b) ((a)<(b)?(a):(b))
#undef max
#define max(a,b) ((a)>(b)?(a):(b))
#define USB_EV_HOTPLUG_UNKNOW 0
#define USB_EV_HOTPLUG_ATTACH 1
#define USB_EV_HOTPLUG_DETTACH 2
#define g_safe_free(p) if((p)) g_free((p)); ((p)) = NULL;
#define g_safe_free_list(p) if((p)) g_slist_free((p)); ((p)) = NULL;
/** global variable */
extern char DS_RES_PATH[500];
extern struct ds_trigger *trigger;
typedef void (*hotplug_event_callback)(struct libusb_context *ctx, struct libusb_device *dev, int event);
struct sr_context {
libusb_context* libusb_ctx;
libusb_hotplug_callback_handle hotplug_handle;
hotplug_event_callback hotplug_callback;
struct timeval hotplug_tv;
};
static const struct sr_dev_mode sr_mode_list[] =
{
{LOGIC,"Logic Analyzer","la"},
{ANALOG, "Data Acquisition", "daq"},
{DSO, "Oscilloscope", "osc"},
};
enum sr_dev_driver_type
{
DRIVER_TYPE_DEMO = 0,
DRIVER_TYPE_FILE = 1,
DRIVER_TYPE_HARDWARE = 2
};
struct sr_dev_driver {
/* Driver-specific */
char *name;
char *longname;
int api_version;
int driver_type; // enum sr_dev_driver_type
int (*init) (struct sr_context *sr_ctx);
int (*cleanup) (void);
GSList *(*scan) (GSList *options);
GSList *(*dev_list) (void);
const GSList *(*dev_mode_list) (const struct sr_dev_inst *sdi);
int (*config_get) (int id, GVariant **data,
const struct sr_dev_inst *sdi,
const struct sr_channel *ch,
const struct sr_channel_group *cg);
int (*config_set) (int id, GVariant *data,
struct sr_dev_inst *sdi,
struct sr_channel *ch,
struct sr_channel_group *cg);
int (*config_list) (int info_id, GVariant **data,
const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg);
/* Device-specific */
int (*dev_open) (struct sr_dev_inst *sdi);
int (*dev_close) (struct sr_dev_inst *sdi);
int (*dev_destroy) (struct sr_dev_inst *sdi);
int (*dev_status_get) (const struct sr_dev_inst *sdi,
struct sr_status *status, gboolean prg);
int (*dev_acquisition_start) (struct sr_dev_inst *sdi,
void *cb_data);
int (*dev_acquisition_stop) (const struct sr_dev_inst *sdi,
void *cb_data);
/* Dynamic */
void *priv;
};
struct sr_dev_inst {
/** Device driver. */
struct sr_dev_driver *driver;
/**Identity. */
ds_device_handle handle;
/** device name. */
char name[50];
/** Device type:(demo,filelog,hardware). The type see enum sr_device_type. */
int dev_type;
/** Index of device in driver. */
int index;
/** Device instance status. SR_ST_NOT_FOUND, etc. */
int status;
/** Device mode. LA/DAQ/OSC, etc. */
int mode;
/** Device vendor. */
char *vendor;
/** Device version. */
char *version;
/** List of channels. */
GSList *channels;
/** List of sr_channel_group structs */
GSList *channel_groups;
/** Device instance connection data (used?) */
void *conn;
/** Device instance private data (used?) */
void *priv;
};
struct sr_session
{
gboolean running;
unsigned int num_sources;
/*
* Both "sources" and "pollfds" are of the same size and contain pairs
* of descriptor and callback function. We can not embed the GPollFD
* into the source struct since we want to be able to pass the array
* of all poll descriptors to g_poll().
*/
struct source *sources;
GPollFD *pollfds;
int source_timeout;
/*
* These are our synchronization primitives for stopping the session in
* an async fashion. We need to make sure the session is stopped from
* within the session thread itself.
*/
GMutex stop_mutex;
gboolean abort_session;
};
struct sr_usb_dev_inst {
uint8_t bus;
uint8_t address;
struct libusb_device_handle *devhdl;
struct libusb_device *usb_dev;
};
#define SERIAL_PARITY_NONE 0
#define SERIAL_PARITY_EVEN 1
#define SERIAL_PARITY_ODD 2
struct sr_serial_dev_inst {
char *port;
char *serialcomm;
int fd;
};
/* Private driver context. */
struct drv_context {
struct sr_context *sr_ctx;
GSList *instances;
};
/*
* Oscilloscope
*/
#define MAX_TIMEBASE SR_SEC(10)
#define MIN_TIMEBASE SR_NS(10)
struct ds_trigger {
uint16_t trigger_en;
uint16_t trigger_mode;
uint16_t trigger_pos;
uint16_t trigger_stages;
unsigned char trigger_logic[TriggerStages+1];
unsigned char trigger0_inv[TriggerStages+1];
unsigned char trigger1_inv[TriggerStages+1];
char trigger0[TriggerStages+1][MaxTriggerProbes];
char trigger1[TriggerStages+1][MaxTriggerProbes];
uint32_t trigger0_count[TriggerStages+1];
uint32_t trigger1_count[TriggerStages+1];
};
/*--- device.c --------------------------------------------------------------*/
SR_PRIV struct sr_channel *sr_channel_new(uint16_t index, int type,
gboolean enabled, const char *name);
SR_PRIV void sr_dev_probes_free(struct sr_dev_inst *sdi);
/* Generic device instances */
SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int mode, int index, int status,
const char *vendor, const char *model, const char *version);
SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi);
/* USB-specific instances */
SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
uint8_t address, struct libusb_device_handle *hdl);
SR_PRIV GSList *sr_usb_find_usbtmc(libusb_context *usb_ctx);
SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb);
/* Serial-specific instances */
SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
const char *serialcomm);
SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial);
/*--- hwdriver.c ------------------------------------------------------------*/
typedef int (*sr_receive_data_callback_t)(int fd, int revents, const struct sr_dev_inst *sdi);
SR_PRIV void sr_hw_cleanup_all(void);
SR_PRIV int sr_source_remove(int fd);
SR_PRIV int sr_source_add(int fd, int events, int timeout,
sr_receive_data_callback_t cb, void *cb_data);
/*--- session.c -------------------------------------------------------------*/
SR_PRIV int usb_hotplug_callback(struct libusb_context *ctx, struct libusb_device *dev,
libusb_hotplug_event event, void *user_data);
SR_PRIV int sr_session_source_add(int fd, int events, int timeout,
sr_receive_data_callback_t cb, const struct sr_dev_inst *sdi);
SR_PRIV int sr_session_source_add_pollfd(GPollFD *pollfd, int timeout,
sr_receive_data_callback_t cb, const struct sr_dev_inst *sdi);
SR_PRIV int sr_session_source_add_channel(GIOChannel *channel, int events,
int timeout, sr_receive_data_callback_t cb, const struct sr_dev_inst *sdi);
SR_PRIV int sr_session_source_remove(int fd);
SR_PRIV int sr_session_source_remove_pollfd(GPollFD *pollfd);
SR_PRIV int sr_session_source_remove_channel(GIOChannel *channel);
/*--- std.c -----------------------------------------------------------------*/
typedef int (*dev_close_t)(struct sr_dev_inst *sdi);
SR_PRIV int std_hw_init(struct sr_context *sr_ctx, struct sr_dev_driver *di,
const char *prefix);
SR_PRIV int std_hw_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,
void *cb_data, dev_close_t hw_dev_close_fn,
struct sr_serial_dev_inst *serial, const char *prefix);
SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
const char *prefix);
/*--- trigger.c -------------------------------------------------*/
SR_PRIV uint64_t sr_trigger_get_mask0(uint16_t stage);
SR_PRIV uint64_t sr_trigger_get_mask1(uint16_t stage);
SR_PRIV uint64_t sr_trigger_get_value0(uint16_t stage);
SR_PRIV uint64_t sr_trigger_get_value1(uint16_t stage);
SR_PRIV uint64_t sr_trigger_get_edge0(uint16_t stage);
SR_PRIV uint64_t sr_trigger_get_edge1(uint16_t stage);
SR_PRIV uint16_t ds_trigger_get_mask0(uint16_t stage, uint16_t msc, uint16_t lsc, gboolean qutr_mode, gboolean half_mode);
SR_PRIV uint16_t ds_trigger_get_value0(uint16_t stage, uint16_t msc, uint16_t lsc, gboolean qutr_mode, gboolean half_mode);
SR_PRIV uint16_t ds_trigger_get_edge0(uint16_t stage, uint16_t msc, uint16_t lsc, gboolean qutr_mode, gboolean half_mode);
SR_PRIV uint16_t ds_trigger_get_mask1(uint16_t stage, uint16_t msc, uint16_t lsc, gboolean qutr_mode, gboolean half_mode);
SR_PRIV uint16_t ds_trigger_get_value1(uint16_t stage, uint16_t msc, uint16_t lsc, gboolean qutr_mode, gboolean half_mode);
SR_PRIV uint16_t ds_trigger_get_edge1(uint16_t stage, uint16_t msc, uint16_t lsc, gboolean qutr_mode, gboolean half_mode);
SR_PRIV int ds_trigger_init(void);
SR_PRIV int ds_trigger_destroy(void);
/*--- hardware/common/serial.c ----------------------------------------------*/
enum {
SERIAL_RDWR = 1,
SERIAL_RDONLY = 2,
SERIAL_NONBLOCK = 4,
};
typedef gboolean (*packet_valid_t)(const uint8_t *buf);
SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags);
SR_PRIV int serial_close(struct sr_serial_dev_inst *serial);
SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial);
SR_PRIV int serial_write(struct sr_serial_dev_inst *serial,
const void *buf, size_t count);
SR_PRIV int serial_read(struct sr_serial_dev_inst *serial, void *buf,
size_t count);
SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr);
SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
const char *paramstr);
SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf,
int *buflen, gint64 timeout_ms);
SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
uint8_t *buf, size_t *buflen,
size_t packet_size, packet_valid_t is_valid,
uint64_t timeout_ms, int baudrate);
/*--- hardware/common/ezusb.c -----------------------------------------------*/
SR_PRIV int ezusb_reset(struct libusb_device_handle *hdl, int set_clear);
SR_PRIV int ezusb_install_firmware(libusb_device_handle *hdl,
const char *filename);
SR_PRIV int ezusb_upload_firmware(libusb_device *dev, int configuration,
const char *filename);
/*--- hardware/common/usb.c -------------------------------------------------*/
SR_PRIV GSList *sr_usb_find(libusb_context *usb_ctx, const char *conn);
/*--- backend.c -------------------------------------------------------------*/
SR_PRIV int sr_init(struct sr_context **ctx);
SR_PRIV int sr_exit(struct sr_context *ctx);
SR_PRIV int sr_listen_hotplug(struct sr_context *ctx, hotplug_event_callback callback);
SR_PRIV int sr_close_hotplug(struct sr_context *ctx);
SR_PRIV void sr_hotplug_wait_timout(struct sr_context *ctx);
/*--- lib_main.c -------------------------------------------------*/
/**
* Check whether the USB device is in the device list.
*/
SR_PRIV int sr_usb_device_is_exists(libusb_device *usb_dev);
/**
* Forward the data.
*/
SR_PRIV int ds_data_forward(const struct sr_dev_inst *sdi,
const struct sr_datafeed_packet *packet);
SR_PRIV int current_device_acquisition_stop();
#endif
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