[libsigrok.git] / libsigrok-internal.h

/*
 * 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. */
#ifdef HAVE_LIBUSB_1_0
#include <libusb.h>
#endif
#ifdef HAVE_LIBSERIALPORT
#include <libserialport.h>
#endif

/**
 * @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

/* Portability fixes for FreeBSD. */
#ifdef __FreeBSD__
#define LIBUSB_CLASS_APPLICATION 0xfe
#define libusb_handle_events_timeout_completed(ctx, tv, c) \
	libusb_handle_events_timeout(ctx, tv)
#endif

struct sr_context {
#ifdef HAVE_LIBUSB_1_0
	libusb_context *libusb_ctx;
#endif
};

#ifdef HAVE_LIBUSB_1_0
struct sr_usb_dev_inst {
	uint8_t bus;
	uint8_t address;
	struct libusb_device_handle *devhdl;
};
#endif

#ifdef HAVE_LIBSERIALPORT
#define SERIAL_PARITY_NONE SP_PARITY_NONE
#define SERIAL_PARITY_EVEN SP_PARITY_EVEN
#define SERIAL_PARITY_ODD  SP_PARITY_ODD
struct sr_serial_dev_inst {
	char *port;
	char *serialcomm;
	int fd;
	int nonblocking;
	struct sp_port *data;
};
#endif

struct sr_usbtmc_dev_inst {
	char *device;
	int fd;
};

/* Private driver context. */
struct drv_context {
	struct sr_context *sr_ctx;
	GSList *instances;
};

/*--- log.c -----------------------------------------------------------------*/

SR_PRIV int sr_log(int loglevel, const char *format, ...);
SR_PRIV int sr_spew(const char *format, ...);
SR_PRIV int sr_dbg(const char *format, ...);
SR_PRIV int sr_info(const char *format, ...);
SR_PRIV int sr_warn(const char *format, ...);
SR_PRIV int sr_err(const char *format, ...);

/*--- device.c --------------------------------------------------------------*/

SR_PRIV struct sr_probe *sr_probe_new(int index, int type,
		gboolean enabled, const char *name);

/* Generic device instances */
SR_PRIV struct sr_dev_inst *sr_dev_inst_new(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);

#ifdef HAVE_LIBUSB_1_0
/* 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);
#endif

#ifdef HAVE_LIBSERIALPORT
/* 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);
#endif

/* USBTMC-specific instances */
SR_PRIV struct sr_usbtmc_dev_inst *sr_usbtmc_dev_inst_new(const char *device);
SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc);

/*--- hwdriver.c ------------------------------------------------------------*/

SR_PRIV void sr_hw_cleanup_all(void);
SR_PRIV struct sr_config *sr_config_new(int key, GVariant *data);
SR_PRIV void sr_config_free(struct sr_config *src);
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 -------------------------------------------------------------*/

struct sr_session {
	/** List of struct sr_dev pointers. */
	GSList *devs;
	/** List of struct datafeed_callback pointers. */
	GSList *datafeed_callbacks;
	GTimeVal starttime;
	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;
};

SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi,
		const struct sr_datafeed_packet *packet);
SR_PRIV int sr_session_stop_sync(void);
SR_PRIV int sr_sessionfile_check(const char *filename);

/*--- std.c -----------------------------------------------------------------*/

typedef int (*dev_close_t)(struct sr_dev_inst *sdi);
typedef void (*std_dev_clear_t)(void *priv);

SR_PRIV int std_init(struct sr_context *sr_ctx, struct sr_dev_driver *di,
		const char *prefix);
#ifdef HAVE_LIBSERIALPORT
SR_PRIV int std_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,
		void *cb_data, dev_close_t dev_close_fn,
		struct sr_serial_dev_inst *serial, const char *prefix);
#endif
SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
		const char *prefix);
SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver,
		std_dev_clear_t clear_private);

/*--- strutil.c -------------------------------------------------------------*/

SR_PRIV int sr_atol(const char *str, long *ret);
SR_PRIV int sr_atoi(const char *str, int *ret);
SR_PRIV int sr_atod(const char *str, double *ret);
SR_PRIV int sr_atof(const char *str, float *ret);

/*--- hardware/common/serial.c ----------------------------------------------*/

#ifdef HAVE_LIBSERIALPORT
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);
SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_device,
				      const char **serial_options);
#endif

/*--- hardware/common/ezusb.c -----------------------------------------------*/

#ifdef HAVE_LIBUSB_1_0
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);
#endif

/*--- hardware/common/usb.c -------------------------------------------------*/

#ifdef HAVE_LIBUSB_1_0
SR_PRIV GSList *sr_usb_find(libusb_context *usb_ctx, const char *conn);
SR_PRIV int sr_usb_open(libusb_context *usb_ctx, struct sr_usb_dev_inst *usb);
#endif

/*--- hardware/common/scpi.c ------------------------------------------------*/

#ifdef HAVE_LIBSERIALPORT

#define SCPI_CMD_IDN "*IDN?"
#define SCPI_CMD_OPC "*OPC?"

enum {
	SCPI_CMD_SET_TRIGGER_SOURCE,
	SCPI_CMD_SET_TIMEBASE,
	SCPI_CMD_SET_VERTICAL_DIV,
	SCPI_CMD_SET_TRIGGER_SLOPE,
	SCPI_CMD_SET_COUPLING,
	SCPI_CMD_SET_HORIZ_TRIGGERPOS,
	SCPI_CMD_GET_ANALOG_CHAN_STATE,
	SCPI_CMD_GET_DIG_CHAN_STATE,
	SCPI_CMD_GET_TIMEBASE,
	SCPI_CMD_GET_VERTICAL_DIV,
	SCPI_CMD_GET_VERTICAL_OFFSET,
	SCPI_CMD_GET_TRIGGER_SOURCE,
	SCPI_CMD_GET_HORIZ_TRIGGERPOS,
	SCPI_CMD_GET_TRIGGER_SLOPE,
	SCPI_CMD_GET_COUPLING,
	SCPI_CMD_SET_ANALOG_CHAN_STATE,
	SCPI_CMD_SET_DIG_CHAN_STATE,
	SCPI_CMD_GET_DIG_POD_STATE,
	SCPI_CMD_SET_DIG_POD_STATE,
	SCPI_CMD_GET_ANALOG_DATA,
	SCPI_CMD_GET_DIG_DATA,
};

struct sr_scpi_hw_info {
	char *manufacturer;
	char *model;
	char *serial_number;
	char *firmware_version;
};

struct sr_scpi_dev_inst {
	int (*open)(void *priv);
	int (*source_add)(void *priv, int events,
		int timeout, sr_receive_data_callback_t cb, void *cb_data);
	int (*source_remove)(void *priv);
	int (*send)(void *priv, const char *command);
	int (*receive)(void *priv, char **scpi_response);
	int (*read)(void *priv, char *buf, int maxlen);
	int (*close)(void *priv);
	void (*free)(void *priv);
	void *priv;
};

SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi);
SR_PRIV int sr_scpi_source_add(struct sr_scpi_dev_inst *scpi, int events,
		int timeout, sr_receive_data_callback_t cb, void *cb_data);
SR_PRIV int sr_scpi_source_remove(struct sr_scpi_dev_inst *scpi);
SR_PRIV int sr_scpi_send(struct sr_scpi_dev_inst *scpi,
			const char *command);
SR_PRIV int sr_scpi_receive(struct sr_scpi_dev_inst *scpi,
			char **scpi_response);
SR_PRIV int sr_scpi_read(struct sr_scpi_dev_inst *scpi, char *buf, int maxlen);
SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi);
SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi);

SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi,
			const char *command, char **scpi_response);
SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi,
			const char *command, gboolean *scpi_response);
SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi,
			const char *command, int *scpi_response);
SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi,
			const char *command, float *scpi_response);
SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi,
			const char *command, double *scpi_response);
SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi);
SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi,
			const char *command, GArray **scpi_response);
SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
			const char *command, GArray **scpi_response);
SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi,
			struct sr_scpi_hw_info **scpi_response);
SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info);

#endif

/*--- hardware/common/scpi_serial.c -----------------------------------------*/

SR_PRIV struct sr_scpi_dev_inst *scpi_serial_dev_inst_new(const char *port,
		        const char *serialcomm);

/*--- hardware/common/scpi_usbtmc.c -----------------------------------------*/

SR_PRIV struct sr_scpi_dev_inst *scpi_usbtmc_dev_inst_new(const char *device);

/*--- hardware/common/dmm/es51922.c -----------------------------------------*/

#define ES51922_PACKET_SIZE 14

struct es51922_info {
	gboolean is_judge, is_vbar, is_voltage, is_auto, is_micro, is_current;
	gboolean is_milli, is_resistance, is_continuity, is_diode, is_lpf;
	gboolean is_frequency, is_duty_cycle, is_capacitance, is_temperature;
	gboolean is_celsius, is_fahrenheit, is_adp, is_sign, is_batt, is_ol;
	gboolean is_max, is_min, is_rel, is_rmr, is_ul, is_pmax, is_pmin;
	gboolean is_dc, is_ac, is_vahz, is_hold, is_nano, is_kilo, is_mega;
};

SR_PRIV gboolean sr_es51922_packet_valid(const uint8_t *buf);
SR_PRIV int sr_es51922_parse(const uint8_t *buf, float *floatval,
			     struct sr_datafeed_analog *analog, void *info);

/*--- hardware/common/dmm/es519xx.c -----------------------------------------*/

/**
 * All 11-byte es519xx chips repeat each block twice for each conversion cycle
 * so always read 2 blocks at a time.
 */
#define ES519XX_11B_PACKET_SIZE (11 * 2)
#define ES519XX_14B_PACKET_SIZE 14

struct es519xx_info {
	gboolean is_judge, is_voltage, is_auto, is_micro, is_current;
	gboolean is_milli, is_resistance, is_continuity, is_diode;
	gboolean is_frequency, is_rpm, is_capacitance, is_duty_cycle;
	gboolean is_temperature, is_celsius, is_fahrenheit;
	gboolean is_adp0, is_adp1, is_adp2, is_adp3;
	gboolean is_sign, is_batt, is_ol, is_pmax, is_pmin, is_apo;
	gboolean is_dc, is_ac, is_vahz, is_min, is_max, is_rel, is_hold;
	gboolean is_digit4, is_ul, is_vasel, is_vbar, is_lpf1, is_lpf0, is_rmr;
	uint32_t baudrate;
	int packet_size;
	gboolean alt_functions, fivedigits, clampmeter, selectable_lpf;
};

SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf);
SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t *buf, float *floatval,
		struct sr_datafeed_analog *analog, void *info);
SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf);
SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf,
		float *floatval, struct sr_datafeed_analog *analog, void *info);
SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf);
SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf,
		float *floatval, struct sr_datafeed_analog *analog, void *info);
SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf);
SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t *buf, float *floatval,
		struct sr_datafeed_analog *analog, void *info);
SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf);
SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t *buf, float *floatval,
		struct sr_datafeed_analog *analog, void *info);
SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf);
SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf,
		float *floatval, struct sr_datafeed_analog *analog, void *info);

/*--- hardware/common/dmm/fs9922.c ------------------------------------------*/

#define FS9922_PACKET_SIZE 14

struct fs9922_info {
	gboolean is_auto, is_dc, is_ac, is_rel, is_hold, is_bpn, is_z1, is_z2;
	gboolean is_max, is_min, is_apo, is_bat, is_nano, is_z3, is_micro;
	gboolean is_milli, is_kilo, is_mega, is_beep, is_diode, is_percent;
	gboolean is_z4, is_volt, is_ampere, is_ohm, is_hfe, is_hertz, is_farad;
	gboolean is_celsius, is_fahrenheit;
	int bargraph_sign, bargraph_value;
};

SR_PRIV gboolean sr_fs9922_packet_valid(const uint8_t *buf);
SR_PRIV int sr_fs9922_parse(const uint8_t *buf, float *floatval,
			    struct sr_datafeed_analog *analog, void *info);
SR_PRIV void sr_fs9922_z1_diode(struct sr_datafeed_analog *analog, void *info);

/*--- hardware/common/dmm/fs9721.c ------------------------------------------*/

#define FS9721_PACKET_SIZE 14

struct fs9721_info {
	gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo;
	gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad;
	gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat;
	gboolean is_c2c1_11, is_c2c1_10, is_c2c1_01, is_c2c1_00, is_sign;
};

SR_PRIV gboolean sr_fs9721_packet_valid(const uint8_t *buf);
SR_PRIV int sr_fs9721_parse(const uint8_t *buf, float *floatval,
			    struct sr_datafeed_analog *analog, void *info);
SR_PRIV void sr_fs9721_00_temp_c(struct sr_datafeed_analog *analog, void *info);
SR_PRIV void sr_fs9721_01_temp_c(struct sr_datafeed_analog *analog, void *info);
SR_PRIV void sr_fs9721_10_temp_c(struct sr_datafeed_analog *analog, void *info);
SR_PRIV void sr_fs9721_01_10_temp_f_c(struct sr_datafeed_analog *analog, void *info);

/*--- hardware/common/dmm/metex14.c -----------------------------------------*/

#define METEX14_PACKET_SIZE 14

struct metex14_info {
	gboolean is_ac, is_dc, is_resistance, is_capacity, is_temperature;
	gboolean is_diode, is_frequency, is_ampere, is_volt, is_farad;
	gboolean is_hertz, is_ohm, is_celsius, is_pico, is_nano, is_micro;
	gboolean is_milli, is_kilo, is_mega, is_gain, is_decibel, is_hfe;
	gboolean is_unitless;
};

#ifdef HAVE_LIBSERIALPORT
SR_PRIV int sr_metex14_packet_request(struct sr_serial_dev_inst *serial);
#endif
SR_PRIV gboolean sr_metex14_packet_valid(const uint8_t *buf);
SR_PRIV int sr_metex14_parse(const uint8_t *buf, float *floatval,
			     struct sr_datafeed_analog *analog, void *info);

/*--- hardware/common/dmm/rs9lcd.c ------------------------------------------*/

#define RS9LCD_PACKET_SIZE 9

/* Dummy info struct. The parser does not use it. */
struct rs9lcd_info { int dummy; };

SR_PRIV gboolean sr_rs9lcd_packet_valid(const uint8_t *buf);
SR_PRIV int sr_rs9lcd_parse(const uint8_t *buf, float *floatval,
			    struct sr_datafeed_analog *analog, void *info);

#endif
Commit	Line	Data
	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
	5	*
	6	* This program is free software: you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation, either version 3 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#ifndef LIBSIGROK_SIGROK_INTERNAL_H
	21	#define LIBSIGROK_SIGROK_INTERNAL_H
	22
	23	#include <stdarg.h>
	24	#include <glib.h>
	25	#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
	26	#ifdef HAVE_LIBUSB_1_0
	27	#include <libusb.h>
	28	#endif
	29	#ifdef HAVE_LIBSERIALPORT
	30	#include <libserialport.h>
	31	#endif
	32
	33	/**
	34	* @file
	35	*
	36	* libsigrok private header file, only to be used internally.
	37	*/
	38
	39	/--- Macros ----------------------------------------------------------------/
	40
	41	#ifndef ARRAY_SIZE
	42	#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
	43	#endif
	44
	45	#ifndef ARRAY_AND_SIZE
	46	#define ARRAY_AND_SIZE(a) (a), ARRAY_SIZE(a)
	47	#endif
	48
	49	/* Portability fixes for FreeBSD. */
	50	#ifdef __FreeBSD__
	51	#define LIBUSB_CLASS_APPLICATION 0xfe
	52	#define libusb_handle_events_timeout_completed(ctx, tv, c) \
	53	libusb_handle_events_timeout(ctx, tv)
	54	#endif
	55
	56	struct sr_context {
	57	#ifdef HAVE_LIBUSB_1_0
	58	libusb_context *libusb_ctx;
	59	#endif
	60	};
	61
	62	#ifdef HAVE_LIBUSB_1_0
	63	struct sr_usb_dev_inst {
	64	uint8_t bus;
	65	uint8_t address;
	66	struct libusb_device_handle *devhdl;
	67	};
	68	#endif
	69
	70	#ifdef HAVE_LIBSERIALPORT
	71	#define SERIAL_PARITY_NONE SP_PARITY_NONE
	72	#define SERIAL_PARITY_EVEN SP_PARITY_EVEN
	73	#define SERIAL_PARITY_ODD SP_PARITY_ODD
	74	struct sr_serial_dev_inst {
	75	char *port;
	76	char *serialcomm;
	77	int fd;
	78	int nonblocking;
	79	struct sp_port *data;
	80	};
	81	#endif
	82
	83	struct sr_usbtmc_dev_inst {
	84	char *device;
	85	int fd;
	86	};
	87
	88	/* Private driver context. */
	89	struct drv_context {
	90	struct sr_context *sr_ctx;
	91	GSList *instances;
	92	};
	93
	94	/--- log.c -----------------------------------------------------------------/
	95
	96	SR_PRIV int sr_log(int loglevel, const char *format, ...);
	97	SR_PRIV int sr_spew(const char *format, ...);
	98	SR_PRIV int sr_dbg(const char *format, ...);
	99	SR_PRIV int sr_info(const char *format, ...);
	100	SR_PRIV int sr_warn(const char *format, ...);
	101	SR_PRIV int sr_err(const char *format, ...);
	102
	103	/--- device.c --------------------------------------------------------------/
	104
	105	SR_PRIV struct sr_probe *sr_probe_new(int index, int type,
	106	gboolean enabled, const char *name);
	107
	108	/* Generic device instances */
	109	SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status,
	110	const char vendor, const char model, const char *version);
	111	SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi);
	112
	113	#ifdef HAVE_LIBUSB_1_0
	114	/* USB-specific instances */
	115	SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
	116	uint8_t address, struct libusb_device_handle *hdl);
	117	SR_PRIV GSList sr_usb_find_usbtmc(libusb_context usb_ctx);
	118	SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb);
	119	#endif
	120
	121	#ifdef HAVE_LIBSERIALPORT
	122	/* Serial-specific instances */
	123	SR_PRIV struct sr_serial_dev_inst sr_serial_dev_inst_new(const char port,
	124	const char *serialcomm);
	125	SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial);
	126	#endif
	127
	128	/* USBTMC-specific instances */
	129	SR_PRIV struct sr_usbtmc_dev_inst sr_usbtmc_dev_inst_new(const char device);
	130	SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc);
	131
	132	/--- hwdriver.c ------------------------------------------------------------/
	133
	134	SR_PRIV void sr_hw_cleanup_all(void);
	135	SR_PRIV struct sr_config sr_config_new(int key, GVariant data);
	136	SR_PRIV void sr_config_free(struct sr_config *src);
	137	SR_PRIV int sr_source_remove(int fd);
	138	SR_PRIV int sr_source_add(int fd, int events, int timeout,
	139	sr_receive_data_callback_t cb, void *cb_data);
	140
	141	/--- session.c -------------------------------------------------------------/
	142
	143	struct sr_session {
	144	/** List of struct sr_dev pointers. */
	145	GSList *devs;
	146	/** List of struct datafeed_callback pointers. */
	147	GSList *datafeed_callbacks;
	148	GTimeVal starttime;
	149	gboolean running;
	150
	151	unsigned int num_sources;
	152
	153	/*
	154	* Both "sources" and "pollfds" are of the same size and contain pairs
	155	* of descriptor and callback function. We can not embed the GPollFD
	156	* into the source struct since we want to be able to pass the array
	157	* of all poll descriptors to g_poll().
	158	*/
	159	struct source *sources;
	160	GPollFD *pollfds;
	161	int source_timeout;
	162
	163	/*
	164	* These are our synchronization primitives for stopping the session in
	165	* an async fashion. We need to make sure the session is stopped from
	166	* within the session thread itself.
	167	*/
	168	GMutex stop_mutex;
	169	gboolean abort_session;
	170	};
	171
	172	SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi,
	173	const struct sr_datafeed_packet *packet);
	174	SR_PRIV int sr_session_stop_sync(void);
	175	SR_PRIV int sr_sessionfile_check(const char *filename);
	176
	177	/--- std.c -----------------------------------------------------------------/
	178
	179	typedef int (dev_close_t)(struct sr_dev_inst sdi);
	180	typedef void (std_dev_clear_t)(void priv);
	181
	182	SR_PRIV int std_init(struct sr_context sr_ctx, struct sr_dev_driver di,
	183	const char *prefix);
	184	#ifdef HAVE_LIBSERIALPORT
	185	SR_PRIV int std_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,
	186	void *cb_data, dev_close_t dev_close_fn,
	187	struct sr_serial_dev_inst serial, const char prefix);
	188	#endif
	189	SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
	190	const char *prefix);
	191	SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver,
	192	std_dev_clear_t clear_private);
	193
	194	/--- strutil.c -------------------------------------------------------------/
	195
	196	SR_PRIV int sr_atol(const char str, long ret);
	197	SR_PRIV int sr_atoi(const char str, int ret);
	198	SR_PRIV int sr_atod(const char str, double ret);
	199	SR_PRIV int sr_atof(const char str, float ret);
	200
	201	/--- hardware/common/serial.c ----------------------------------------------/
	202
	203	#ifdef HAVE_LIBSERIALPORT
	204	enum {
	205	SERIAL_RDWR = 1,
	206	SERIAL_RDONLY = 2,
	207	SERIAL_NONBLOCK = 4,
	208	};
	209
	210	typedef gboolean (packet_valid_t)(const uint8_t buf);
	211
	212	SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags);
	213	SR_PRIV int serial_close(struct sr_serial_dev_inst *serial);
	214	SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial);
	215	SR_PRIV int serial_write(struct sr_serial_dev_inst *serial,
	216	const void *buf, size_t count);
	217	SR_PRIV int serial_read(struct sr_serial_dev_inst serial, void buf,
	218	size_t count);
	219	SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
	220	int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr);
	221	SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
	222	const char *paramstr);
	223	SR_PRIV int serial_readline(struct sr_serial_dev_inst serial, char *buf,
	224	int *buflen, gint64 timeout_ms);
	225	SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
	226	uint8_t buf, size_t buflen,
	227	size_t packet_size, packet_valid_t is_valid,
	228	uint64_t timeout_ms, int baudrate);
	229	SR_PRIV int sr_serial_extract_options(GSList options, const char *serial_device,
	230	const char **serial_options);
	231	#endif
	232
	233	/--- hardware/common/ezusb.c -----------------------------------------------/
	234
	235	#ifdef HAVE_LIBUSB_1_0
	236	SR_PRIV int ezusb_reset(struct libusb_device_handle *hdl, int set_clear);
	237	SR_PRIV int ezusb_install_firmware(libusb_device_handle *hdl,
	238	const char *filename);
	239	SR_PRIV int ezusb_upload_firmware(libusb_device *dev, int configuration,
	240	const char *filename);
	241	#endif
	242
	243	/--- hardware/common/usb.c -------------------------------------------------/
	244
	245	#ifdef HAVE_LIBUSB_1_0
	246	SR_PRIV GSList sr_usb_find(libusb_context usb_ctx, const char *conn);
	247	SR_PRIV int sr_usb_open(libusb_context usb_ctx, struct sr_usb_dev_inst usb);
	248	#endif
	249
	250	/--- hardware/common/scpi.c ------------------------------------------------/
	251
	252	#ifdef HAVE_LIBSERIALPORT
	253
	254	#define SCPI_CMD_IDN "*IDN?"
	255	#define SCPI_CMD_OPC "*OPC?"
	256
	257	enum {
	258	SCPI_CMD_SET_TRIGGER_SOURCE,
	259	SCPI_CMD_SET_TIMEBASE,
	260	SCPI_CMD_SET_VERTICAL_DIV,
	261	SCPI_CMD_SET_TRIGGER_SLOPE,
	262	SCPI_CMD_SET_COUPLING,
	263	SCPI_CMD_SET_HORIZ_TRIGGERPOS,
	264	SCPI_CMD_GET_ANALOG_CHAN_STATE,
	265	SCPI_CMD_GET_DIG_CHAN_STATE,
	266	SCPI_CMD_GET_TIMEBASE,
	267	SCPI_CMD_GET_VERTICAL_DIV,
	268	SCPI_CMD_GET_VERTICAL_OFFSET,
	269	SCPI_CMD_GET_TRIGGER_SOURCE,
	270	SCPI_CMD_GET_HORIZ_TRIGGERPOS,
	271	SCPI_CMD_GET_TRIGGER_SLOPE,
	272	SCPI_CMD_GET_COUPLING,
	273	SCPI_CMD_SET_ANALOG_CHAN_STATE,
	274	SCPI_CMD_SET_DIG_CHAN_STATE,
	275	SCPI_CMD_GET_DIG_POD_STATE,
	276	SCPI_CMD_SET_DIG_POD_STATE,
	277	SCPI_CMD_GET_ANALOG_DATA,
	278	SCPI_CMD_GET_DIG_DATA,
	279	};
	280
	281	struct sr_scpi_hw_info {
	282	char *manufacturer;
	283	char *model;
	284	char *serial_number;
	285	char *firmware_version;
	286	};
	287
	288	struct sr_scpi_dev_inst {
	289	int (open)(void priv);
	290	int (source_add)(void priv, int events,
	291	int timeout, sr_receive_data_callback_t cb, void *cb_data);
	292	int (source_remove)(void priv);
	293	int (send)(void priv, const char *command);
	294	int (receive)(void priv, char **scpi_response);
	295	int (read)(void priv, char *buf, int maxlen);
	296	int (close)(void priv);
	297	void (free)(void priv);
	298	void *priv;
	299	};
	300
	301	SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi);
	302	SR_PRIV int sr_scpi_source_add(struct sr_scpi_dev_inst *scpi, int events,
	303	int timeout, sr_receive_data_callback_t cb, void *cb_data);
	304	SR_PRIV int sr_scpi_source_remove(struct sr_scpi_dev_inst *scpi);
	305	SR_PRIV int sr_scpi_send(struct sr_scpi_dev_inst *scpi,
	306	const char *command);
	307	SR_PRIV int sr_scpi_receive(struct sr_scpi_dev_inst *scpi,
	308	char **scpi_response);
	309	SR_PRIV int sr_scpi_read(struct sr_scpi_dev_inst scpi, char buf, int maxlen);
	310	SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi);
	311	SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi);
	312
	313	SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi,
	314	const char command, char *scpi_response);
	315	SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi,
	316	const char command, gboolean scpi_response);
	317	SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi,
	318	const char command, int scpi_response);
	319	SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi,
	320	const char command, float scpi_response);
	321	SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi,
	322	const char command, double scpi_response);
	323	SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi);
	324	SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi,
	325	const char command, GArray *scpi_response);
	326	SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
	327	const char command, GArray *scpi_response);
	328	SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi,
	329	struct sr_scpi_hw_info **scpi_response);
	330	SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info);
	331
	332	#endif
	333
	334	/--- hardware/common/scpi_serial.c -----------------------------------------/
	335
	336	SR_PRIV struct sr_scpi_dev_inst scpi_serial_dev_inst_new(const char port,
	337	const char *serialcomm);
	338
	339	/--- hardware/common/scpi_usbtmc.c -----------------------------------------/
	340
	341	SR_PRIV struct sr_scpi_dev_inst scpi_usbtmc_dev_inst_new(const char device);
	342
	343	/--- hardware/common/dmm/es51922.c -----------------------------------------/
	344
	345	#define ES51922_PACKET_SIZE 14
	346
	347	struct es51922_info {
	348	gboolean is_judge, is_vbar, is_voltage, is_auto, is_micro, is_current;
	349	gboolean is_milli, is_resistance, is_continuity, is_diode, is_lpf;
	350	gboolean is_frequency, is_duty_cycle, is_capacitance, is_temperature;
	351	gboolean is_celsius, is_fahrenheit, is_adp, is_sign, is_batt, is_ol;
	352	gboolean is_max, is_min, is_rel, is_rmr, is_ul, is_pmax, is_pmin;
	353	gboolean is_dc, is_ac, is_vahz, is_hold, is_nano, is_kilo, is_mega;
	354	};
	355
	356	SR_PRIV gboolean sr_es51922_packet_valid(const uint8_t *buf);
	357	SR_PRIV int sr_es51922_parse(const uint8_t buf, float floatval,
	358	struct sr_datafeed_analog analog, void info);
	359
	360	/--- hardware/common/dmm/es519xx.c -----------------------------------------/
	361
	362	/**
	363	* All 11-byte es519xx chips repeat each block twice for each conversion cycle
	364	* so always read 2 blocks at a time.
	365	*/
	366	#define ES519XX_11B_PACKET_SIZE (11 * 2)
	367	#define ES519XX_14B_PACKET_SIZE 14
	368
	369	struct es519xx_info {
	370	gboolean is_judge, is_voltage, is_auto, is_micro, is_current;
	371	gboolean is_milli, is_resistance, is_continuity, is_diode;
	372	gboolean is_frequency, is_rpm, is_capacitance, is_duty_cycle;
	373	gboolean is_temperature, is_celsius, is_fahrenheit;
	374	gboolean is_adp0, is_adp1, is_adp2, is_adp3;
	375	gboolean is_sign, is_batt, is_ol, is_pmax, is_pmin, is_apo;
	376	gboolean is_dc, is_ac, is_vahz, is_min, is_max, is_rel, is_hold;
	377	gboolean is_digit4, is_ul, is_vasel, is_vbar, is_lpf1, is_lpf0, is_rmr;
	378	uint32_t baudrate;
	379	int packet_size;
	380	gboolean alt_functions, fivedigits, clampmeter, selectable_lpf;
	381	};
	382
	383	SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf);
	384	SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t buf, float floatval,
	385	struct sr_datafeed_analog analog, void info);
	386	SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf);
	387	SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf,
	388	float floatval, struct sr_datafeed_analog analog, void *info);
	389	SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf);
	390	SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf,
	391	float floatval, struct sr_datafeed_analog analog, void *info);
	392	SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf);
	393	SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t buf, float floatval,
	394	struct sr_datafeed_analog analog, void info);
	395	SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf);
	396	SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t buf, float floatval,
	397	struct sr_datafeed_analog analog, void info);
	398	SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf);
	399	SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf,
	400	float floatval, struct sr_datafeed_analog analog, void *info);
	401
	402	/--- hardware/common/dmm/fs9922.c ------------------------------------------/
	403
	404	#define FS9922_PACKET_SIZE 14
	405
	406	struct fs9922_info {
	407	gboolean is_auto, is_dc, is_ac, is_rel, is_hold, is_bpn, is_z1, is_z2;
	408	gboolean is_max, is_min, is_apo, is_bat, is_nano, is_z3, is_micro;
	409	gboolean is_milli, is_kilo, is_mega, is_beep, is_diode, is_percent;
	410	gboolean is_z4, is_volt, is_ampere, is_ohm, is_hfe, is_hertz, is_farad;
	411	gboolean is_celsius, is_fahrenheit;
	412	int bargraph_sign, bargraph_value;
	413	};
	414
	415	SR_PRIV gboolean sr_fs9922_packet_valid(const uint8_t *buf);
	416	SR_PRIV int sr_fs9922_parse(const uint8_t buf, float floatval,
	417	struct sr_datafeed_analog analog, void info);
	418	SR_PRIV void sr_fs9922_z1_diode(struct sr_datafeed_analog analog, void info);
	419
	420	/--- hardware/common/dmm/fs9721.c ------------------------------------------/
	421
	422	#define FS9721_PACKET_SIZE 14
	423
	424	struct fs9721_info {
	425	gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo;
	426	gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad;
	427	gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat;
	428	gboolean is_c2c1_11, is_c2c1_10, is_c2c1_01, is_c2c1_00, is_sign;
	429	};
	430
	431	SR_PRIV gboolean sr_fs9721_packet_valid(const uint8_t *buf);
	432	SR_PRIV int sr_fs9721_parse(const uint8_t buf, float floatval,
	433	struct sr_datafeed_analog analog, void info);
	434	SR_PRIV void sr_fs9721_00_temp_c(struct sr_datafeed_analog analog, void info);
	435	SR_PRIV void sr_fs9721_01_temp_c(struct sr_datafeed_analog analog, void info);
	436	SR_PRIV void sr_fs9721_10_temp_c(struct sr_datafeed_analog analog, void info);
	437	SR_PRIV void sr_fs9721_01_10_temp_f_c(struct sr_datafeed_analog analog, void info);
	438
	439	/--- hardware/common/dmm/metex14.c -----------------------------------------/
	440
	441	#define METEX14_PACKET_SIZE 14
	442
	443	struct metex14_info {
	444	gboolean is_ac, is_dc, is_resistance, is_capacity, is_temperature;
	445	gboolean is_diode, is_frequency, is_ampere, is_volt, is_farad;
	446	gboolean is_hertz, is_ohm, is_celsius, is_pico, is_nano, is_micro;
	447	gboolean is_milli, is_kilo, is_mega, is_gain, is_decibel, is_hfe;
	448	gboolean is_unitless;
	449	};
	450
	451	#ifdef HAVE_LIBSERIALPORT
	452	SR_PRIV int sr_metex14_packet_request(struct sr_serial_dev_inst *serial);
	453	#endif
	454	SR_PRIV gboolean sr_metex14_packet_valid(const uint8_t *buf);
	455	SR_PRIV int sr_metex14_parse(const uint8_t buf, float floatval,
	456	struct sr_datafeed_analog analog, void info);
	457
	458	/--- hardware/common/dmm/rs9lcd.c ------------------------------------------/
	459
	460	#define RS9LCD_PACKET_SIZE 9
	461
	462	/* Dummy info struct. The parser does not use it. */
	463	struct rs9lcd_info { int dummy; };
	464
	465	SR_PRIV gboolean sr_rs9lcd_packet_valid(const uint8_t *buf);
	466	SR_PRIV int sr_rs9lcd_parse(const uint8_t buf, float floatval,
	467	struct sr_datafeed_analog analog, void info);
	468
	469	#endif