X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=blobdiff_plain;f=src%2Flibsigrok-internal.h;h=25297f4c9386561d8583494cf9e2c2c75e7cd3f6;hp=465a16e965ace8cf426cbafb866d92005e67f61f;hb=deb7615262ac4f9cc0750a08351afa7cbf9c34d5;hpb=f1833600a0e498dae8bf9babe83208de8b46f38a diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h index 465a16e9..25297f4c 100644 --- a/src/libsigrok-internal.h +++ b/src/libsigrok-internal.h @@ -74,6 +74,16 @@ static inline uint8_t read_u8(const uint8_t *p) } #define R8(x) read_u8((const uint8_t *)(x)) +/** + * Read an 8 bits signed integer out of memory. + * @param x a pointer to the input memory + * @return the corresponding signed integer + */ +static inline int8_t read_i8(const uint8_t *p) +{ + return (int8_t)p[0]; +} + /** * Read a 16 bits big endian unsigned integer out of memory. * @param x a pointer to the input memory @@ -142,6 +152,23 @@ static inline int16_t read_i16le(const uint8_t *p) } #define RL16S(x) read_i16le((const uint8_t *)(x)) +/** + * Read a 24 bits little endian unsigned integer out of memory. + * @param x a pointer to the input memory + * @return the corresponding unsigned integer + */ +static inline uint32_t read_u24le(const uint8_t *p) +{ + uint32_t u; + + u = 0; + u <<= 8; u |= p[2]; + u <<= 8; u |= p[1]; + u <<= 8; u |= p[0]; + + return u; +} + /** * Read a 32 bits big endian unsigned integer out of memory. * @param x a pointer to the input memory @@ -295,7 +322,7 @@ static inline int64_t read_i64le(const uint8_t *p) #define RL64S(x) read_i64le((const uint8_t *)(x)) /** - * Read a 32 bits big endian float out of memory. + * Read a 32 bits big endian float out of memory (single precision). * @param x a pointer to the input memory * @return the corresponding float */ @@ -318,7 +345,7 @@ static inline float read_fltbe(const uint8_t *p) #define RBFL(x) read_fltbe((const uint8_t *)(x)) /** - * Read a 32 bits little endian float out of memory. + * Read a 32 bits little endian float out of memory (single precision). * @param x a pointer to the input memory * @return the corresponding float */ @@ -340,6 +367,51 @@ static inline float read_fltle(const uint8_t *p) } #define RLFL(x) read_fltle((const uint8_t *)(x)) +/** + * Read a 64 bits big endian float out of memory (double precision). + * @param x a pointer to the input memory + * @return the corresponding floating point value + */ +static inline double read_dblbe(const uint8_t *p) +{ + /* + * Implementor's note: Strictly speaking the "union" trick + * is not portable. But this phrase was found to work on the + * project's supported platforms, and serve well until a more + * appropriate phrase is found. + */ + union { uint64_t u64; double flt; } u; + double f; + + u.u64 = read_u64be(p); + f = u.flt; + + return f; +} + +/** + * Read a 64 bits little endian float out of memory (double precision). + * @param x a pointer to the input memory + * @return the corresponding floating point value + */ +static inline double read_dblle(const uint8_t *p) +{ + /* + * Implementor's note: Strictly speaking the "union" trick + * is not portable. But this phrase was found to work on the + * project's supported platforms, and serve well until a more + * appropriate phrase is found. + */ + union { uint64_t u64; double flt; } u; + double f; + + u.u64 = read_u64le(p); + f = u.flt; + + return f; +} +#define RLDB(x) read_dblle((const uint8_t *)(x)) + /** * Write a 8 bits unsigned integer to memory. * @param p a pointer to the output memory @@ -403,6 +475,57 @@ static inline void write_u32le(uint8_t *p, uint32_t x) } #define WL32(p, x) write_u32le((uint8_t *)(p), (uint32_t)(x)) +/** + * Write a 48 bits unsigned integer to memory stored as little endian. + * @param p a pointer to the output memory + * @param x the input unsigned integer + */ +static inline void write_u48le(uint8_t *p, uint64_t x) +{ + p[0] = x & 0xff; x >>= 8; + p[1] = x & 0xff; x >>= 8; + p[2] = x & 0xff; x >>= 8; + p[3] = x & 0xff; x >>= 8; + p[4] = x & 0xff; x >>= 8; + p[5] = x & 0xff; x >>= 8; +} +#define WL48(p, x) write_u48le((uint8_t *)(p), (uint64_t)(x)) + +/** + * Write a 64 bits unsigned integer to memory stored as big endian. + * @param p a pointer to the output memory + * @param x the input unsigned integer + */ +static inline void write_u64be(uint8_t *p, uint64_t x) +{ + p[7] = x & 0xff; x >>= 8; + p[6] = x & 0xff; x >>= 8; + p[5] = x & 0xff; x >>= 8; + p[4] = x & 0xff; x >>= 8; + p[3] = x & 0xff; x >>= 8; + p[2] = x & 0xff; x >>= 8; + p[1] = x & 0xff; x >>= 8; + p[0] = x & 0xff; x >>= 8; +} + +/** + * Write a 64 bits unsigned integer to memory stored as little endian. + * @param p a pointer to the output memory + * @param x the input unsigned integer + */ +static inline void write_u64le(uint8_t *p, uint64_t x) +{ + p[0] = x & 0xff; x >>= 8; + p[1] = x & 0xff; x >>= 8; + p[2] = x & 0xff; x >>= 8; + p[3] = x & 0xff; x >>= 8; + p[4] = x & 0xff; x >>= 8; + p[5] = x & 0xff; x >>= 8; + p[6] = x & 0xff; x >>= 8; + p[7] = x & 0xff; x >>= 8; +} +#define WL64(p, x) write_u64le((uint8_t *)(p), (uint64_t)(x)) + /** * Write a 32 bits float to memory stored as big endian. * @param p a pointer to the output memory @@ -429,6 +552,19 @@ static inline void write_fltle(uint8_t *p, float x) } #define WLFL(p, x) write_fltle((uint8_t *)(p), float (x)) +/** + * Write a 64 bits float to memory stored as little endian. + * @param p a pointer to the output memory + * @param x the input floating point value + */ +static inline void write_dblle(uint8_t *p, double x) +{ + union { uint64_t u; double f; } u; + u.f = x; + write_u64le(p, u.u); +} +#define WLDB(p, x) write_dblle((uint8_t *)(p), float (x)) + /* Endianess conversion helpers with read/write position increment. */ /** @@ -448,6 +584,23 @@ static inline uint8_t read_u8_inc(const uint8_t **p) return v; } +/** + * Read signed 8bit integer from raw memory, increment read position. + * @param[in, out] p Pointer into byte stream. + * @return Retrieved integer value, signed. + */ +static inline int8_t read_i8_inc(const uint8_t **p) +{ + int8_t v; + + if (!p || !*p) + return 0; + v = read_i8(*p); + *p += sizeof(v); + + return v; +} + /** * Read unsigned 16bit integer from raw memory (big endian format), increment read position. * @param[in, out] p Pointer into byte stream. @@ -482,6 +635,57 @@ static inline uint16_t read_u16le_inc(const uint8_t **p) return v; } +/** + * Read signed 16bit integer from raw memory (big endian format), increment read position. + * @param[in, out] p Pointer into byte stream. + * @return Retrieved integer value, signed. + */ +static inline int16_t read_i16be_inc(const uint8_t **p) +{ + int16_t v; + + if (!p || !*p) + return 0; + v = read_i16be(*p); + *p += sizeof(v); + + return v; +} + +/** + * Read signed 16bit integer from raw memory (little endian format), increment read position. + * @param[in, out] p Pointer into byte stream. + * @return Retrieved integer value, signed. + */ +static inline int16_t read_i16le_inc(const uint8_t **p) +{ + int16_t v; + + if (!p || !*p) + return 0; + v = read_i16le(*p); + *p += sizeof(v); + + return v; +} + +/** + * Read unsigned 24bit integer from raw memory (little endian format), increment read position. + * @param[in, out] p Pointer into byte stream. + * @return Retrieved integer value, unsigned. + */ +static inline uint32_t read_u24le_inc(const uint8_t **p) +{ + uint32_t v; + + if (!p || !*p) + return 0; + v = read_u24le(*p); + *p += 3 * sizeof(uint8_t); + + return v; +} + /** * Read unsigned 32bit integer from raw memory (big endian format), increment read position. * @param[in, out] p Pointer into byte stream. @@ -516,6 +720,40 @@ static inline uint32_t read_u32le_inc(const uint8_t **p) return v; } +/** + * Read signed 32bit integer from raw memory (big endian format), increment read position. + * @param[in, out] p Pointer into byte stream. + * @return Retrieved integer value, signed. + */ +static inline int32_t read_i32be_inc(const uint8_t **p) +{ + int32_t v; + + if (!p || !*p) + return 0; + v = read_i32be(*p); + *p += sizeof(v); + + return v; +} + +/** + * Read signed 32bit integer from raw memory (little endian format), increment read position. + * @param[in, out] p Pointer into byte stream. + * @return Retrieved integer value, signed. + */ +static inline int32_t read_i32le_inc(const uint8_t **p) +{ + int32_t v; + + if (!p || !*p) + return 0; + v = read_i32le(*p); + *p += sizeof(v); + + return v; +} + /** * Read unsigned 64bit integer from raw memory (big endian format), increment read position. * @param[in, out] p Pointer into byte stream. @@ -550,6 +788,74 @@ static inline uint64_t read_u64le_inc(const uint8_t **p) return v; } +/** + * Read 32bit float from raw memory (big endian format), increment read position. + * @param[in, out] p Pointer into byte stream. + * @return Retrieved float value. + */ +static inline float read_fltbe_inc(const uint8_t **p) +{ + float v; + + if (!p || !*p) + return 0; + v = read_fltbe(*p); + *p += sizeof(v); + + return v; +} + +/** + * Read 32bit float from raw memory (little endian format), increment read position. + * @param[in, out] p Pointer into byte stream. + * @return Retrieved float value. + */ +static inline float read_fltle_inc(const uint8_t **p) +{ + float v; + + if (!p || !*p) + return 0; + v = read_fltle(*p); + *p += sizeof(v); + + return v; +} + +/** + * Read 64bit float from raw memory (big endian format), increment read position. + * @param[in, out] p Pointer into byte stream. + * @return Retrieved float value. + */ +static inline double read_dblbe_inc(const uint8_t **p) +{ + double v; + + if (!p || !*p) + return 0; + v = read_dblbe(*p); + *p += sizeof(v); + + return v; +} + +/** + * Read 64bit float from raw memory (little endian format), increment read position. + * @param[in, out] p Pointer into byte stream. + * @return Retrieved float value. + */ +static inline double read_dblle_inc(const uint8_t **p) +{ + double v; + + if (!p || !*p) + return 0; + v = read_dblle(*p); + *p += sizeof(v); + + return v; +} + /** * Write unsigned 8bit integer to raw memory, increment write position. * @param[in, out] p Pointer into byte stream. @@ -615,6 +921,58 @@ static inline void write_u32le_inc(uint8_t **p, uint32_t x) *p += sizeof(x); } +/** + * Write unsigned 48bit little endian integer to raw memory, increment write position. + * @param[in, out] p Pointer into byte stream. + * @param[in] x Value to write. + */ +static inline void write_u48le_inc(uint8_t **p, uint64_t x) +{ + if (!p || !*p) + return; + write_u48le(*p, x); + *p += 48 / 8 * sizeof(uint8_t); +} + +/** + * Write unsigned 64bit little endian integer to raw memory, increment write position. + * @param[in, out] p Pointer into byte stream. + * @param[in] x Value to write. + */ +static inline void write_u64le_inc(uint8_t **p, uint64_t x) +{ + if (!p || !*p) + return; + write_u64le(*p, x); + *p += sizeof(x); +} + +/** + * Write single precision little endian float to raw memory, increment write position. + * @param[in, out] p Pointer into byte stream. + * @param[in] x Value to write. + */ +static inline void write_fltle_inc(uint8_t **p, float x) +{ + if (!p || !*p) + return; + write_fltle(*p, x); + *p += sizeof(x); +} + +/** + * Write double precision little endian float to raw memory, increment write position. + * @param[in, out] p Pointer into byte stream. + * @param[in] x Value to write. + */ +static inline void write_dblle_inc(uint8_t **p, double x) +{ + if (!p || !*p) + return; + write_dblle(*p, x); + *p += sizeof(x); +} + /* Portability fixes for FreeBSD. */ #ifdef __FreeBSD__ #define LIBUSB_CLASS_APPLICATION 0xfe @@ -638,6 +996,15 @@ static inline void write_u32le_inc(uint8_t **p, uint32_t x) #define SR_DRIVER_LIST_SECTION "__sr_driver_list" #endif +#if !defined SR_DRIVER_LIST_NOREORDER && defined __has_attribute +#if __has_attribute(no_reorder) +#define SR_DRIVER_LIST_NOREORDER __attribute__((no_reorder)) +#endif +#endif +#if !defined SR_DRIVER_LIST_NOREORDER +#define SR_DRIVER_LIST_NOREORDER /* EMPTY */ +#endif + /** * Register a list of hardware drivers. * @@ -667,6 +1034,7 @@ static inline void write_u32le_inc(uint8_t **p, uint32_t x) */ #define SR_REGISTER_DEV_DRIVER_LIST(name, ...) \ static const struct sr_dev_driver *name[] \ + SR_DRIVER_LIST_NOREORDER \ __attribute__((section (SR_DRIVER_LIST_SECTION), used, \ aligned(sizeof(struct sr_dev_driver *)))) \ = { \ @@ -1447,6 +1815,8 @@ SR_PRIV int std_cg_idx(const struct sr_channel_group *cg, struct sr_channel_grou SR_PRIV int std_dummy_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 std_dummy_set_handshake(struct sr_serial_dev_inst *serial, + int rts, int dtr); /*--- resource.c ------------------------------------------------------------*/ @@ -1467,10 +1837,13 @@ SR_PRIV void *sr_resource_load(struct sr_context *ctx, int type, /*--- strutil.c -------------------------------------------------------------*/ SR_PRIV int sr_atol(const char *str, long *ret); +SR_PRIV int sr_atol_base(const char *str, long *ret, char **end, int base); +SR_PRIV int sr_atoul_base(const char *str, unsigned long *ret, char **end, int base); 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); SR_PRIV int sr_atod_ascii(const char *str, double *ret); +SR_PRIV int sr_atod_ascii_digits(const char *str, double *ret, int *digits); SR_PRIV int sr_atof_ascii(const char *str, float *ret); SR_PRIV GString *sr_hexdump_new(const uint8_t *data, const size_t len); @@ -1508,6 +1881,8 @@ enum { }; typedef gboolean (*packet_valid_callback)(const uint8_t *buf); +typedef int (*packet_valid_len_callback)(void *st, + const uint8_t *p, size_t l, size_t *pl); typedef GSList *(*sr_ser_list_append_t)(GSList *devs, const char *name, const char *desc); @@ -1530,17 +1905,17 @@ SR_PRIV int serial_set_read_chunk_cb(struct sr_serial_dev_inst *serial, serial_rx_chunk_callback cb, void *cb_data); 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_handshake(struct sr_serial_dev_inst *serial, + 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_callback is_valid, - uint64_t timeout_ms); -SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_device, - const char **serial_options); + uint8_t *buf, size_t *buflen, + size_t packet_size, packet_valid_callback is_valid, + packet_valid_len_callback is_valid_len, size_t *return_size, + uint64_t timeout_ms); SR_PRIV int serial_source_add(struct sr_session *session, struct sr_serial_dev_inst *serial, int events, int timeout, sr_receive_data_callback cb, void *cb_data); @@ -1570,6 +1945,8 @@ struct ser_lib_functions { int (*set_params)(struct sr_serial_dev_inst *serial, int baudrate, int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr); + int (*set_handshake)(struct sr_serial_dev_inst *serial, + int rts, int dtr); int (*setup_source_add)(struct sr_session *session, struct sr_serial_dev_inst *serial, int events, int timeout, @@ -1617,6 +1994,9 @@ SR_PRIV const char *ser_hid_chip_find_name_vid_pid(uint16_t vid, uint16_t pid); #endif #endif +SR_PRIV int sr_serial_extract_options(GSList *options, + const char **serial_device, const char **serial_options); + /*--- bt/ API ---------------------------------------------------------------*/ #ifdef HAVE_BLUETOOTH @@ -1680,6 +2060,91 @@ SR_PRIV gboolean usb_match_manuf_prod(libusb_device *dev, const char *manufacturer, const char *product); #endif +/*--- binary_helpers.c ------------------------------------------------------*/ + +/** Binary value type */ +enum binary_value_type { + BVT_INVALID, + + BVT_UINT8, + BVT_BE_UINT8 = BVT_UINT8, + BVT_LE_UINT8 = BVT_UINT8, + + BVT_BE_UINT16, + BVT_BE_UINT32, + BVT_BE_UINT64, + BVT_BE_FLOAT, + + BVT_LE_UINT16, + BVT_LE_UINT32, + BVT_LE_UINT64, + BVT_LE_FLOAT, +}; + +/** Binary value specification */ +struct binary_value_spec { + /** Offset into binary blob */ + size_t offset; + /** Data type to decode */ + enum binary_value_type type; + /** Scale factor to get native units */ + float scale; +}; + +/** Binary channel definition */ +struct binary_analog_channel { + /** Channel name */ + const char *name; + /** Binary value in data stream */ + struct binary_value_spec spec; + /** Significant digits */ + int digits; + /** Measured quantity */ + enum sr_mq mq; + /** Measured unit */ + enum sr_unit unit; +}; + +/** + * Read extract a value from a binary blob. + * + * @param out Pointer to output buffer. + * @param spec Binary value specification + * @param data Pointer to binary blob + * @param length Size of binary blob + * @return SR_OK on success, SR_ERR_* error code on failure. + */ +SR_PRIV int bv_get_value(float *out, const struct binary_value_spec *spec, const void *data, size_t length); + +/** + * Send an analog channel packet based on a binary analog channel + * specification. + * + * @param sdi Device instance + * @param ch Sigrok channel + * @param spec Channel specification + * @param data Pointer to binary blob + * @param length Size of binary blob + * @return SR_OK on success, SR_ERR_* error code on failure. + */ +SR_PRIV int bv_send_analog_channel(const struct sr_dev_inst *sdi, struct sr_channel *ch, + const struct binary_analog_channel *spec, const void *data, size_t length); + +/*--- crc.c -----------------------------------------------------------------*/ + +#define SR_CRC16_DEFAULT_INIT 0xffffU + +/** + * Calculate a CRC16 checksum using the 0x8005 polynomial. + * + * This CRC16 flavor is also known as CRC16-ANSI or CRC16-MODBUS. + * + * @param crc Initial value (typically 0xffff) + * @param buffer Input buffer + * @param len Buffer length + * @return Checksum + */ +SR_PRIV uint16_t sr_crc16(uint16_t crc, const uint8_t *buffer, int len); /*--- modbus/modbus.c -------------------------------------------------------*/ @@ -1818,6 +2283,16 @@ 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); SR_PRIV void sr_fs9721_max_c_min(struct sr_datafeed_analog *analog, void *info); +/*--- dmm/mm38xr.c ---------------------------------------------------------*/ + +#define METERMAN_38XR_PACKET_SIZE 15 + +struct meterman_38xr_info { int dummy; }; + +SR_PRIV gboolean meterman_38xr_packet_valid(const uint8_t *buf); +SR_PRIV int meterman_38xr_parse(const uint8_t *buf, float *floatval, + struct sr_datafeed_analog *analog, void *info); + /*--- dmm/ms2115b.c ---------------------------------------------------------*/ #define MS2115B_PACKET_SIZE 9 @@ -1930,6 +2405,52 @@ SR_PRIV gboolean sr_brymen_bm25x_packet_valid(const uint8_t *buf); SR_PRIV int sr_brymen_bm25x_parse(const uint8_t *buf, float *floatval, struct sr_datafeed_analog *analog, void *info); +/*--- dmm/bm52x.c -----------------------------------------------------------*/ + +#define BRYMEN_BM52X_PACKET_SIZE 24 +#define BRYMEN_BM52X_DISPLAY_COUNT 2 + +struct brymen_bm52x_info { size_t ch_idx; }; + +#ifdef HAVE_SERIAL_COMM +SR_PRIV int sr_brymen_bm52x_packet_request(struct sr_serial_dev_inst *serial); +SR_PRIV int sr_brymen_bm82x_packet_request(struct sr_serial_dev_inst *serial); +#endif +SR_PRIV gboolean sr_brymen_bm52x_packet_valid(const uint8_t *buf); +SR_PRIV gboolean sr_brymen_bm82x_packet_valid(const uint8_t *buf); +/* BM520s and BM820s protocols are similar, the parse routine is shared. */ +SR_PRIV int sr_brymen_bm52x_parse(const uint8_t *buf, float *floatval, + struct sr_datafeed_analog *analog, void *info); + +struct brymen_bm52x_state; + +SR_PRIV void *brymen_bm52x_state_init(void); +SR_PRIV void brymen_bm52x_state_free(void *state); +SR_PRIV int brymen_bm52x_config_get(void *state, uint32_t key, GVariant **data, + const struct sr_dev_inst *sdi, const struct sr_channel_group *cg); +SR_PRIV int brymen_bm52x_config_set(void *state, uint32_t key, GVariant *data, + const struct sr_dev_inst *sdi, const struct sr_channel_group *cg); +SR_PRIV int brymen_bm52x_config_list(void *state, uint32_t key, GVariant **data, + const struct sr_dev_inst *sdi, const struct sr_channel_group *cg); +SR_PRIV int brymen_bm52x_acquire_start(void *state, + const struct sr_dev_inst *sdi, + sr_receive_data_callback *cb, void **cb_data); + +/*--- dmm/bm85x.c -----------------------------------------------------------*/ + +#define BRYMEN_BM85x_PACKET_SIZE_MIN 4 + +struct brymen_bm85x_info { int dummy; }; + +#ifdef HAVE_SERIAL_COMM +SR_PRIV int brymen_bm85x_after_open(struct sr_serial_dev_inst *serial); +SR_PRIV int brymen_bm85x_packet_request(struct sr_serial_dev_inst *serial); +#endif +SR_PRIV gboolean brymen_bm85x_packet_valid(void *state, + const uint8_t *buf, size_t len, size_t *pkt_len); +SR_PRIV int brymen_bm85x_parse(void *state, const uint8_t *buf, size_t len, + double *floatval, struct sr_datafeed_analog *analog, void *info); + /*--- dmm/bm86x.c -----------------------------------------------------------*/ #define BRYMEN_BM86X_PACKET_SIZE 24 @@ -2147,16 +2668,41 @@ struct sr_sw_limits { uint64_t start_time; }; -SR_PRIV int sr_sw_limits_config_get(struct sr_sw_limits *limits, uint32_t key, +SR_PRIV int sr_sw_limits_config_get(const struct sr_sw_limits *limits, uint32_t key, GVariant **data); SR_PRIV int sr_sw_limits_config_set(struct sr_sw_limits *limits, uint32_t key, GVariant *data); SR_PRIV void sr_sw_limits_acquisition_start(struct sr_sw_limits *limits); SR_PRIV gboolean sr_sw_limits_check(struct sr_sw_limits *limits); +SR_PRIV int sr_sw_limits_get_remain(const struct sr_sw_limits *limits, + uint64_t *samples, uint64_t *frames, uint64_t *msecs, + gboolean *exceeded); SR_PRIV void sr_sw_limits_update_samples_read(struct sr_sw_limits *limits, uint64_t samples_read); SR_PRIV void sr_sw_limits_update_frames_read(struct sr_sw_limits *limits, uint64_t frames_read); SR_PRIV void sr_sw_limits_init(struct sr_sw_limits *limits); +/*--- feed_queue.h ----------------------------------------------------------*/ + +struct feed_queue_logic; +struct feed_queue_analog; + +SR_API struct feed_queue_logic *feed_queue_logic_alloc( + const struct sr_dev_inst *sdi, + size_t sample_count, size_t unit_size); +SR_API int feed_queue_logic_submit(struct feed_queue_logic *q, + const uint8_t *data, size_t count); +SR_API int feed_queue_logic_flush(struct feed_queue_logic *q); +SR_API int feed_queue_logic_send_trigger(struct feed_queue_logic *q); +SR_API void feed_queue_logic_free(struct feed_queue_logic *q); + +SR_API struct feed_queue_analog *feed_queue_analog_alloc( + const struct sr_dev_inst *sdi, + size_t sample_count, int digits, struct sr_channel *ch); +SR_API int feed_queue_analog_submit(struct feed_queue_analog *q, + float data, size_t count); +SR_API int feed_queue_analog_flush(struct feed_queue_analog *q); +SR_API void feed_queue_analog_free(struct feed_queue_analog *q); + #endif