USRP Hardware Driver and USRP Manual  Version: 4.7.0.0
UHD and USRP Manual
ranges.h
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1 //
2 // Copyright 2015 Ettus Research LLC
3 // Copyright 2018 Ettus Research, a National Instruments Company
4 //
5 // SPDX-License-Identifier: GPL-3.0-or-later
6 //
7 
8 #pragma once
9 
10 #include <uhd/config.h>
11 #include <uhd/error.h>
12 
13 #include <stdbool.h>
14 #include <stdlib.h>
15 
17 typedef struct
18 {
20  double start;
22  double stop;
24  double step;
25 } uhd_range_t;
26 
27 #ifdef __cplusplus
28 # include <uhd/types/ranges.hpp>
29 # include <string>
30 
31 struct uhd_meta_range_t
32 {
33  uhd::meta_range_t meta_range_cpp;
34  std::string last_error;
35 };
36 
37 extern "C" {
38 #else
39 struct uhd_meta_range_t;
40 #endif
41 
43 
46 typedef struct uhd_meta_range_t* uhd_meta_range_handle;
47 
50  const uhd_range_t* range, char* pp_string_out, size_t strbuffer_len);
51 
53 
57 UHD_API uhd_error uhd_meta_range_make(uhd_meta_range_handle* h);
58 
60 
64 UHD_API uhd_error uhd_meta_range_free(uhd_meta_range_handle* h);
65 
67 UHD_API uhd_error uhd_meta_range_start(uhd_meta_range_handle h, double* start_out);
68 
70 UHD_API uhd_error uhd_meta_range_stop(uhd_meta_range_handle h, double* stop_out);
71 
73 UHD_API uhd_error uhd_meta_range_step(uhd_meta_range_handle h, double* step_out);
74 
77  uhd_meta_range_handle h, double value, bool clip_step, double* result_out);
78 
80 UHD_API uhd_error uhd_meta_range_size(uhd_meta_range_handle h, size_t* size_out);
81 
84  uhd_meta_range_handle h, const uhd_range_t* range);
85 
88  uhd_meta_range_handle h, size_t num, uhd_range_t* range_out);
89 
92  uhd_meta_range_handle h, char* pp_string_out, size_t strbuffer_len);
93 
96  uhd_meta_range_handle h, char* error_out, size_t strbuffer_len);
97 
98 #ifdef __cplusplus
99 }
100 
101 UHD_API uhd::range_t uhd_range_c_to_cpp(const uhd_range_t* range_c);
102 
103 UHD_API void uhd_range_cpp_to_c(const uhd::range_t& range_cpp, uhd_range_t* range_c);
104 #endif
UHD_API uhd_error uhd_meta_range_stop(uhd_meta_range_handle h, double *stop_out)
Get the overall stop value for the given meta range.
double stop
Last value.
Definition: ranges.h:22
UHD_API uhd_error uhd_meta_range_at(uhd_meta_range_handle h, size_t num, uhd_range_t *range_out)
Get the range at the given index.
UHD_API uhd_error uhd_meta_range_last_error(uhd_meta_range_handle h, char *error_out, size_t strbuffer_len)
Get the last error recorded by the underlying meta range.
UHD_API uhd_error uhd_meta_range_size(uhd_meta_range_handle h, size_t *size_out)
Get the number of ranges in the given meta range.
Range of floating-point values.
Definition: ranges.h:17
struct uhd_meta_range_t * uhd_meta_range_handle
C-level interface for dealing with a list of ranges.
Definition: ranges.h:46
UHD_API uhd_error uhd_meta_range_clip(uhd_meta_range_handle h, double value, bool clip_step, double *result_out)
Clip the given value to a possible value in the given range.
UHD_API uhd_error uhd_meta_range_make(uhd_meta_range_handle *h)
Create a meta range handle.
UHD_API uhd_error uhd_meta_range_to_pp_string(uhd_meta_range_handle h, char *pp_string_out, size_t strbuffer_len)
Get a string representation of the given meta range.
uhd_error
UHD error codes.
Definition: error.h:20
UHD_API uhd_error uhd_meta_range_start(uhd_meta_range_handle h, double *start_out)
Get the overall start value for the given meta range.
Definition: ranges.hpp:21
UHD_API uhd_error uhd_range_to_pp_string(const uhd_range_t *range, char *pp_string_out, size_t strbuffer_len)
Get a string representation of the given range.
#define UHD_API
Definition: config.h:87
double step
Granularity.
Definition: ranges.h:24
UHD_API uhd_error uhd_meta_range_push_back(uhd_meta_range_handle h, const uhd_range_t *range)
Add a range to the given meta range.
Definition: ranges.hpp:65
UHD_API uhd_error uhd_meta_range_free(uhd_meta_range_handle *h)
Destroy a meta range handle.
double start
First value.
Definition: ranges.h:20
UHD_API uhd_error uhd_meta_range_step(uhd_meta_range_handle h, double *step_out)
Get the overall step value for the given meta range.