metadata.h

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/*
 * Copyright 2015 Ettus Research
 * Copyright 2018 Ettus Research, a National Instruments Company
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */
 
#pragma once
 
#include <uhd/config.h>
#include <uhd/error.h>
 
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <time.h>
 
#ifdef __cplusplus
#include <uhd/types/metadata.hpp>
#include <string>
 
struct uhd_rx_metadata_t {
    uhd::rx_metadata_t rx_metadata_cpp;
    std::string last_error;
};
 
struct uhd_tx_metadata_t {
    uhd::tx_metadata_t tx_metadata_cpp;
    std::string last_error;
};
 
struct uhd_async_metadata_t {
    uhd::async_metadata_t async_metadata_cpp;
    std::string last_error;
};
 
extern "C" {
#else
struct uhd_rx_metadata_t;
struct uhd_tx_metadata_t;
struct uhd_async_metadata_t;
#endif


typedef struct uhd_rx_metadata_t*    uhd_rx_metadata_handle;


typedef struct uhd_tx_metadata_t*    uhd_tx_metadata_handle;


typedef struct uhd_async_metadata_t* uhd_async_metadata_handle;


typedef enum {
    UHD_RX_METADATA_ERROR_CODE_NONE         = 0x0,
    UHD_RX_METADATA_ERROR_CODE_TIMEOUT      = 0x1,
    UHD_RX_METADATA_ERROR_CODE_LATE_COMMAND = 0x2,
    UHD_RX_METADATA_ERROR_CODE_BROKEN_CHAIN = 0x4,
    UHD_RX_METADATA_ERROR_CODE_OVERFLOW     = 0x8,
    UHD_RX_METADATA_ERROR_CODE_ALIGNMENT    = 0xC,
    UHD_RX_METADATA_ERROR_CODE_BAD_PACKET   = 0xF
} uhd_rx_metadata_error_code_t;
 

UHD_API uhd_error uhd_rx_metadata_make(
    uhd_rx_metadata_handle* handle
);


UHD_API uhd_error uhd_rx_metadata_free(
    uhd_rx_metadata_handle* handle
);

UHD_API uhd_error uhd_rx_metadata_has_time_spec(
    uhd_rx_metadata_handle h,
    bool *result_out
);

UHD_API uhd_error uhd_rx_metadata_time_spec(
    uhd_rx_metadata_handle h,
    int64_t *full_secs_out,
    double *frac_secs_out
);

UHD_API uhd_error uhd_rx_metadata_more_fragments(
    uhd_rx_metadata_handle h,
    bool *result_out
);

UHD_API uhd_error uhd_rx_metadata_fragment_offset(
    uhd_rx_metadata_handle h,
    size_t *fragment_offset_out
);

UHD_API uhd_error uhd_rx_metadata_start_of_burst(
    uhd_rx_metadata_handle h,
    bool *result_out
);

UHD_API uhd_error uhd_rx_metadata_end_of_burst(
    uhd_rx_metadata_handle h,
    bool *result_out
);

UHD_API uhd_error uhd_rx_metadata_out_of_sequence(
    uhd_rx_metadata_handle h,
    bool *result_out
);


UHD_API uhd_error uhd_rx_metadata_to_pp_string(
    uhd_rx_metadata_handle h,
    char* pp_string_out,
    size_t strbuffer_len
);

UHD_API uhd_error uhd_rx_metadata_error_code(
    uhd_rx_metadata_handle h,
    uhd_rx_metadata_error_code_t *error_code_out
);


UHD_API uhd_error uhd_rx_metadata_strerror(
    uhd_rx_metadata_handle h,
    char* strerror_out,
    size_t strbuffer_len
);


UHD_API uhd_error uhd_rx_metadata_last_error(
    uhd_rx_metadata_handle h,
    char* error_out,
    size_t strbuffer_len
);

UHD_API uhd_error uhd_tx_metadata_make(
    uhd_tx_metadata_handle* handle,
    bool has_time_spec,
    int64_t full_secs,
    double frac_secs,
    bool start_of_burst,
    bool end_of_burst
);
 


UHD_API uhd_error uhd_tx_metadata_free(
    uhd_tx_metadata_handle* handle
);

UHD_API uhd_error uhd_tx_metadata_has_time_spec(
    uhd_tx_metadata_handle h,
    bool *result_out
);

UHD_API uhd_error uhd_tx_metadata_time_spec(
    uhd_tx_metadata_handle h,
    int64_t *full_secs_out,
    double *frac_secs_out
);

UHD_API uhd_error uhd_tx_metadata_start_of_burst(
    uhd_tx_metadata_handle h,
    bool *result_out
);

UHD_API uhd_error uhd_tx_metadata_end_of_burst(
    uhd_tx_metadata_handle h,
    bool *result_out
);


UHD_API uhd_error uhd_tx_metadata_last_error(
    uhd_tx_metadata_handle h,
    char* error_out,
    size_t strbuffer_len
);


typedef enum {
    UHD_ASYNC_METADATA_EVENT_CODE_BURST_ACK           = 0x1,
    UHD_ASYNC_METADATA_EVENT_CODE_UNDERFLOW           = 0x2,
    UHD_ASYNC_METADATA_EVENT_CODE_SEQ_ERROR           = 0x4,
    UHD_ASYNC_METADATA_EVENT_CODE_TIME_ERROR          = 0x8,
    UHD_ASYNC_METADATA_EVENT_CODE_UNDERFLOW_IN_PACKET = 0x10,
    UHD_ASYNC_METADATA_EVENT_CODE_SEQ_ERROR_IN_BURST  = 0x20,
    UHD_ASYNC_METADATA_EVENT_CODE_USER_PAYLOAD        = 0x40
} uhd_async_metadata_event_code_t;

UHD_API uhd_error uhd_async_metadata_make(
    uhd_async_metadata_handle* handle
);


UHD_API uhd_error uhd_async_metadata_free(
    uhd_async_metadata_handle* handle
);

UHD_API uhd_error uhd_async_metadata_channel(
    uhd_async_metadata_handle h,
    size_t *channel_out
);

UHD_API uhd_error uhd_async_metadata_has_time_spec(
    uhd_async_metadata_handle h,
    bool *result_out
);

UHD_API uhd_error uhd_async_metadata_time_spec(
    uhd_async_metadata_handle h,
    int64_t *full_secs_out,
    double *frac_secs_out
);

UHD_API uhd_error uhd_async_metadata_event_code(
    uhd_async_metadata_handle h,
    uhd_async_metadata_event_code_t *event_code_out
);

UHD_API uhd_error uhd_async_metadata_user_payload(
    uhd_async_metadata_handle h,
    uint32_t user_payload_out[4]
);


UHD_API uhd_error uhd_async_metadata_last_error(
    uhd_async_metadata_handle h,
    char* error_out,
    size_t strbuffer_len
);
 
#ifdef __cplusplus
}
#endif