.. _program_listing_file__tmp_ws_src_vitis_common_include_common_xf_axi_io.hpp:

Program Listing for File xf_axi_io.hpp
======================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_vitis_common_include_common_xf_axi_io.hpp>` (``/tmp/ws/src/vitis_common/include/common/xf_axi_io.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /*
    * Copyright 2019 Xilinx, Inc.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *     http://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
    * distributed under the License is distributed on an "AS IS" BASIS,
    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    * See the License for the specific language governing permissions and
    * limitations under the License.
    */
   
   #ifndef ___XF__AXI_IO__
   #define ___XF__AXI_IO__
   #include "utils/x_hls_utils.h"
   #include <assert.h>
   
   namespace xf {
   namespace cv {
   
   template <int W, typename T>
   void AXIGetBitFields(ap_uint<W> pix, int start, int w, T& val) {
   // clang-format off
       #pragma HLS inline
       // clang-format on
       assert(start >= 0 && start + w <= W);
       val = (T)pix(start + w - 1, start);
   }
   
   template <int W>
   void AXIGetBitFields(ap_uint<W> pix, int start, int w, float& val) {
   // clang-format off
       #pragma HLS inline
       // clang-format on
       assert(w == 32 && start >= 0 && start + w <= W);
       fp_struct<float> temp((ap_uint<32>)pix(start + w - 1, start));
       val = temp.to_float();
   }
   
   template <int W>
   void AXIGetBitFields(ap_uint<W> pix, int start, int w, double& val) {
   // clang-format off
       #pragma HLS inline
       // clang-format on
       assert(w == 64 && start >= 0 && start + w <= W);
       fp_struct<double> temp((ap_uint<64>)pix(start + w - 1, start));
       val = temp.to_double();
   }
   
   template <int W, typename T>
   void AXIGetBitFields(ap_axiu<W, 1, 1, 1> axi, int start, int w, T& val) {
   // clang-format off
       #pragma HLS inline
       // clang-format on
       AXIGetBitFields(axi.data, start, w, val);
   }
   
   template <int W, typename T>
   void AXISetBitFields(ap_uint<W>& pix, int start, int w, T val) {
   // clang-format off
       #pragma HLS inline
       // clang-format on
       assert(start >= 0 && start + w <= W);
       pix(start + w - 1, start) = val;
   }
   
   template <int W>
   void AXISetBitFields(ap_uint<W>& pix, int start, int w, float val) {
   // clang-format off
       #pragma HLS inline
       // clang-format on
       assert(w == 32 && start >= 0 && start + w <= W);
       fp_struct<float> temp(val);
       pix(start + w - 1, start) = temp.data();
   }
   
   template <int W>
   void AXISetBitFields(ap_uint<W>& pix, int start, int w, double val) {
   // clang-format off
       #pragma HLS inline
       // clang-format on
       assert(w == 64 && start >= 0 && start + w <= W);
       fp_struct<double> temp(val);
       pix(start + w - 1, start) = temp.data();
   }
   
   template <int W, typename T>
   void AXISetBitFields(ap_axiu<W, 1, 1, 1>& axi, int start, int w, T val) {
   // clang-format off
       #pragma HLS inline
       // clang-format on
       AXISetBitFields(axi.data, start, w, val);
   }
   
   } // namespace cv
   }; // namespace xf
   
   #endif