221 lines
7.2 KiB
C
221 lines
7.2 KiB
C
/*
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* This file is part of the sigrok project.
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*
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* Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBSIGROK_SIGROK_INTERNAL_H
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#define LIBSIGROK_SIGROK_INTERNAL_H
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#include <stdarg.h>
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#include <glib.h>
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#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
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#ifdef HAVE_LIBUSB_1_0
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#include <libusb.h>
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#endif
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/**
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* @file
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*
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* libsigrok private header file, only to be used internally.
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*/
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/*--- Macros ----------------------------------------------------------------*/
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
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#endif
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#ifndef ARRAY_AND_SIZE
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#define ARRAY_AND_SIZE(a) (a), ARRAY_SIZE(a)
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#endif
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/* Versions < 2.30.0 of glib don't have g_match_info_unref(). */
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#if !GLIB_CHECK_VERSION(2,30,0)
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#define g_match_info_unref g_match_info_free
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#endif
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/* Size of a datastore chunk in units */
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#define DATASTORE_CHUNKSIZE (512 * 1024)
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struct sr_context {
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#ifdef HAVE_LIBUSB_1_0
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libusb_context *libusb_ctx;
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#endif
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};
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#ifdef HAVE_LIBUSB_1_0
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struct sr_usb_dev_inst {
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uint8_t bus;
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uint8_t address;
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struct libusb_device_handle *devhdl;
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};
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#endif
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#define SERIAL_PARITY_NONE 0
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#define SERIAL_PARITY_EVEN 1
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#define SERIAL_PARITY_ODD 2
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struct sr_serial_dev_inst {
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char *port;
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char *serialcomm;
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int fd;
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};
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/* Private driver context. */
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struct drv_context {
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struct sr_context *sr_ctx;
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GSList *instances;
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};
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/*--- log.c -----------------------------------------------------------------*/
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SR_PRIV int sr_log(int loglevel, const char *format, ...);
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SR_PRIV int sr_spew(const char *format, ...);
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SR_PRIV int sr_dbg(const char *format, ...);
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SR_PRIV int sr_info(const char *format, ...);
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SR_PRIV int sr_warn(const char *format, ...);
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SR_PRIV int sr_err(const char *format, ...);
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/*--- device.c --------------------------------------------------------------*/
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SR_PRIV struct sr_probe *sr_probe_new(int index, int type,
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gboolean enabled, const char *name);
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/* Generic device instances */
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SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status,
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const char *vendor, const char *model, const char *version);
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SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi);
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#ifdef HAVE_LIBUSB_1_0
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/* USB-specific instances */
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SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
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uint8_t address, struct libusb_device_handle *hdl);
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SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb);
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#endif
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/* Serial-specific instances */
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SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
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const char *serialcomm);
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SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial);
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/*--- hwdriver.c ------------------------------------------------------------*/
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SR_PRIV void sr_hw_cleanup_all(void);
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SR_PRIV int sr_source_remove(int fd);
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SR_PRIV int sr_source_add(int fd, int events, int timeout,
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sr_receive_data_callback_t cb, void *cb_data);
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/*--- session.c -------------------------------------------------------------*/
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SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi,
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struct sr_datafeed_packet *packet);
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/*--- hardware/common/serial.c ----------------------------------------------*/
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enum {
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SERIAL_RDWR = 1,
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SERIAL_RDONLY = 2,
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SERIAL_NONBLOCK = 4,
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};
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typedef gboolean (*packet_valid_t)(const uint8_t *buf);
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SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags);
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SR_PRIV int serial_close(struct sr_serial_dev_inst *serial);
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SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial);
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SR_PRIV int serial_write(struct sr_serial_dev_inst *serial,
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const void *buf, size_t count);
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SR_PRIV int serial_read(struct sr_serial_dev_inst *serial, void *buf,
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size_t count);
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SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
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int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr);
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SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
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const char *paramstr);
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SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf,
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int *buflen, gint64 timeout_ms);
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SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
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uint8_t *buf, size_t *buflen,
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size_t packet_size, packet_valid_t is_valid,
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uint64_t timeout_ms, int baudrate);
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/*--- hardware/common/ezusb.c -----------------------------------------------*/
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#ifdef HAVE_LIBUSB_1_0
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SR_PRIV int ezusb_reset(struct libusb_device_handle *hdl, int set_clear);
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SR_PRIV int ezusb_install_firmware(libusb_device_handle *hdl,
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const char *filename);
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SR_PRIV int ezusb_upload_firmware(libusb_device *dev, int configuration,
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const char *filename);
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#endif
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/*--- hardware/common/usb.c -------------------------------------------------*/
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#ifdef HAVE_LIBUSB_1_0
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SR_PRIV GSList *sr_usb_find(libusb_context *usb_ctx, const char *conn);
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SR_PRIV int sr_usb_open(libusb_context *usb_ctx, struct sr_usb_dev_inst *usb);
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#endif
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/*--- hardware/common/dmm/fs9922.c ------------------------------------------*/
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SR_PRIV int sr_dmm_parse_fs9922(const uint8_t *buf, float *floatval,
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struct sr_datafeed_analog *analog);
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/*--- hardware/common/dmm/fs9721.c ------------------------------------------*/
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#define FS9721_PACKET_SIZE 14
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struct fs9721_info {
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gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo;
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gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad;
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gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat;
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gboolean is_c2c1_11, is_c2c1_10, is_c2c1_01, is_c2c1_00, is_sign;
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};
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SR_PRIV gboolean sr_fs9721_is_packet_start(uint8_t b);
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SR_PRIV gboolean sr_fs9721_packet_valid(const uint8_t *buf);
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SR_PRIV int sr_fs9721_parse(const uint8_t *buf, float *floatval,
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struct sr_datafeed_analog *analog, void *info);
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/*--- hardware/common/dmm/metex14.c -----------------------------------------*/
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#define METEX14_PACKET_SIZE 14
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struct metex14_info {
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gboolean is_ac, is_dc, is_resistance, is_capacity, is_temperature;
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gboolean is_diode, is_frequency, is_ampere, is_volt, is_farad;
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gboolean is_hertz, is_ohm, is_celsius, is_nano, is_micro, is_milli;
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gboolean is_kilo, is_mega, is_gain, is_decibel, is_hfe, is_unitless;
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};
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SR_PRIV int sr_metex14_packet_request(struct sr_serial_dev_inst *serial);
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SR_PRIV gboolean sr_metex14_packet_valid(const uint8_t *buf);
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SR_PRIV int sr_metex14_parse(const uint8_t *buf, float *floatval,
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struct sr_datafeed_analog *analog, void *info);
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/*--- hardware/common/dmm/rs9lcd.c ------------------------------------------*/
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#define RS9LCD_PACKET_SIZE 9
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/* Dummy info struct. The parser does not use it. */
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struct rs9lcd_info {};
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SR_PRIV gboolean sr_rs9lcd_packet_valid(const uint8_t *buf);
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SR_PRIV int sr_rs9lcd_parse(const uint8_t *buf, float *floatval,
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struct sr_datafeed_analog *analog, void *info);
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#endif
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