warp_transform_hw_common.hpp

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#ifndef _ROLE_WARPTRANSFORM_HW_COMMON_HPP_
#define _ROLE_WARPTRANSFORM_HW_COMMON_HPP_
 
#include <stdio.h>
#include <iostream>
#include <hls_stream.h>
#include "ap_int.h"
#include <stdint.h>
#include "../../../../../HOST/vision/warp_transform/languages/cplusplus/include/config.h"//debug level define 
#include "memory_utils.hpp" //for stream based communication with ddr
#include "network.hpp"
 
using namespace hls;
 
union float_bits_u {
    unsigned int i;
    float f;
};
 
 
template<typename Tin, typename Tout, unsigned int arraysize>
void pMyMemtestMemCpy(Tin* in, Tout* out){
#pragma HLS INLINE
  for (unsigned int i = 0; i < arraysize; i++)
  {
#pragma HLS PIPELINE II=1
    *out = *in;
  }
  
}
 
 
template<typename Tin, typename Tout, const unsigned int arraysize>
void pMemCpyCircularBuff(Tin* buff, Tout* out_mem, unsigned int elems,unsigned int offset_buff){
#pragma HLS INLINE
  unsigned int j = 0;
  circ_buff_loop: for (unsigned int i = 0; i < elems; i++)
  {
#pragma HLS PIPELINE II=1
#pragma HLS LOOP_TRIPCOUNT min = 1 max = arraysize
    if(offset_buff+j==arraysize)//
    { 
      offset_buff=0;
      j=1;
      out_mem[i] = buff[0];
    }else{
      out_mem[i] = buff[offset_buff+j];
      j++;
    }
  }
  
}
 
 
 
template<typename Tin, typename Tout, const unsigned int burstsize>
void pReadAxiMemMapped2HlsStream(Tin* main_mem, hls::stream<Tout> &sOut, unsigned int elems){
#pragma HLS INLINE
  mmloop: for (unsigned int i = 0; i < elems; i++)
  {
#pragma HLS PIPELINE II=1
#pragma HLS LOOP_TRIPCOUNT min = 1 max = burstsize
    Tout tmp  = main_mem[i];
    sOut.write(tmp);
  }
  
}
 
 
template<typename Tin, typename Tout, const unsigned int burstsize, typename Tcntr>
void pReadAxiMemMapped2HlsStreamCountFirst(Tin* main_mem, hls::stream<Tout> &sOut, unsigned int elems, hls::stream<Tcntr>& cmd){
#pragma HLS INLINE
cmd.write(0);
  mmloop: for (unsigned int i = 0; i < elems; i++)
  {
#pragma HLS PIPELINE II=1
#pragma HLS LOOP_TRIPCOUNT min = 1 max = burstsize
    Tout tmp  = main_mem[i];
    sOut.write(tmp);
  }
  cmd.write(1);
  
}
 
 
template<typename Tin, typename Tout, const unsigned int burstsize, typename Tcntr>
void pReadAxiMemMapped2HlsStreamCountActivated(Tin* main_mem, hls::stream<Tout> &sOut, unsigned int elems, hls::stream<Tcntr>& cmd){
#pragma HLS INLINE
  cmd.write(1);
  mmloop: for (unsigned int i = 0; i < elems; i++)
  {
#pragma HLS PIPELINE II=1
#pragma HLS LOOP_TRIPCOUNT min = 1 max = burstsize
    Tout tmp  = main_mem[i];
    sOut.write(tmp);
  }
  cmd.write(1);
}
 
 
 
 
template<typename Tin,const unsigned int loop_cnt,
const unsigned int bytes_per_loop, const unsigned int max_data_transfer>
void storeWordToAxiStream(
  NetworkWord word,
  // stream<ap_uint<INPUT_PTR_WIDTH>>    &img_in_axi_stream,
  Tin    &img_in_axi_stream,
  unsigned int                      *processed_word_rx,
  unsigned int                      *processed_bytes_rx,
  stream<bool>                      &sImageLoaded    
)
{   
  #pragma HLS INLINE
  Data_t_in v;
  // const unsigned int loop_cnt = (BITS_PER_10GBITETHRNET_AXI_PACKET/INPUT_PTR_WIDTH);
  // const unsigned int bytes_per_loop = (BYTES_PER_10GBITETHRNET_AXI_PACKET/loop_cnt);
  unsigned int bytes_with_keep = 0;
  for (unsigned int i=0; i<loop_cnt; i++) {
    if ((word.tkeep >> i) == 0) {
      printf("WARNING: value with tkeep=0 at i=%u\n", i);
      continue; 
    }
    v.data = (ap_uint<INPUT_PTR_WIDTH>)(word.tdata >> i*8);
    v.keep = word.tkeep;
    v.last = word.tlast;
    img_in_axi_stream.write(v.data);
    bytes_with_keep += bytes_per_loop;
  }
  if (*processed_bytes_rx < max_data_transfer){
  //  IMGSIZE-BYTES_PER_10GBITETHRNET_AXI_PACKET) {
    (*processed_bytes_rx) += bytes_with_keep;
    if (!sImageLoaded.full()) {
        sImageLoaded.write(false);
    }
  }
  else {
    printf("DEBUG in storeWordToAxiStream: WARNING - you've reached the max depth of img. Will put *processed_bytes_rx = 0.\n");
    *processed_bytes_rx = 0;
    if (!sImageLoaded.full()) {
        sImageLoaded.write(true);
    }
  }
}
 
 
template<typename TInImg, const unsigned int img_pckts>
// void storeWordToArray(uint64_t input, ap_uint<INPUT_PTR_WIDTH> img[IMG_PACKETS], 
void storeWordToArray(uint64_t input, TInImg img[img_pckts], 
              unsigned int *processed_word, unsigned int *image_loaded)
{
  #pragma HLS INLINE
  
  img[*processed_word] = (TInImg) input;
  printf("DEBUG in storeWordToArray: input = %u = 0x%16.16llX \n", input, input);
  printf("DEBUG in storeWordToArray: img[%u]= %u = 0x%16.16llX \n", *processed_word, 
  (uint64_t)img[*processed_word], (uint64_t)img[*processed_word]);
  if (*processed_word < img_pckts-1) {
    *processed_word++;
  }
  else {
    printf("DEBUG in storeWordToArray: WARNING - you've reached the max depth of img[%u]. Will put *processed_word = 0.\n", *processed_word);
    *processed_word = 0;
    *image_loaded = 1;
  }
}
 
 
 
const unsigned long int  max_counter_cc = 4000000;
 
//Original function from Xilinx Vitis Accel examples, template from DCO
// @DEPRECATED
//https://github.com/Xilinx/Vitis_Accel_Examples/blob/master/cpp_kernels/axi_burst_performance/src/test_kernel_common.hpp
template<typename Tin, typename Tout, unsigned int counter_precision=64>
void perfCounterProc(hls::stream<Tin>& cmd, hls::stream<Tout>& out, int direction, int burst_length, int nmbr_outstanding)
{
#pragma HLS INLINE off
 
    Tin input_cmd;
    // wait to receive a value to start counting
    ap_uint<counter_precision> cnt = cmd.read();
// keep counting until a value is available
count:
    while (cmd.read_nb(input_cmd) == false) {
        cnt++;
        #if DEBUG_LEVEL == TRACE_ALL
#ifndef __SYNTHESIS__
  printf("DEBUG perfCounterProc counter value = %s\n", cnt.to_string().c_str());
#endif //__SYNTHESIS__
#endif     
    }
 
    // // write out kernel statistics to global memory
     Tout tmp[1];//was 4
     tmp[0] = cnt;
    // tmp[1] = input_cmd;
     //tmp[1] = burst_length;
    // tmp[3] = nmbr_outstanding;
    //memcpy(out, tmp, 4 * sizeof(Tout));
    out.write(tmp[0]);
    //out.write(tmp[1]);
    //out.write(nmbr_outstanding); this
    //out.write(input_cmd); Xilinx use this to count the errors but we are already counting so...
}
 
//Original function from Xilinx Vitis Accel examples, template from DCO
// @DEPRECATED
//https://github.com/Xilinx/Vitis_Accel_Examples/blob/master/cpp_kernels/axi_burst_performance/src/test_kernel_common.hpp
template<typename Tin, typename Tout, unsigned int counter_precision=64>
void perfCounterProc2Mem(hls::stream<Tin>& cmd, Tout * out, int direction, int burst_length, int nmbr_outstanding) {
  
    Tin input_cmd;
    // wait to receive a value to start counting
    ap_uint<counter_precision> cnt = cmd.read();
// keep counting until a value is available
count:
    while (cmd.read_nb(input_cmd) == false) {
#pragma HLS LOOP_TRIPCOUNT min = 1 max = max_counter_cc
        cnt++;
 
#if DEBUG_LEVEL == TRACE_ALL
#ifndef __SYNTHESIS__
  printf("DEBUG perfCounterProc counter value = %s\n", cnt.to_string().c_str());
#endif //__SYNTHESIS__
#endif     
    }
    *out =cnt;
}
 
 
 
template<typename Tin, typename Tout, unsigned int counter_precision=64>
void perfCounterProc2MemCountOnly(hls::stream<Tin>& cmd, Tout * out) {
  
    Tin input_cmd;
    // wait to receive a value to start counting
    ap_uint<counter_precision> cnt = cmd.read();
// keep counting until a value is available
count:
    while (cmd.read_nb(input_cmd) == false) {
#pragma HLS LOOP_TRIPCOUNT min = 1 max = max_counter_cc
        cnt++;
 
#if DEBUG_LEVEL == TRACE_ALL
#ifndef __SYNTHESIS__
  printf("DEBUG perfCounterProc counter value = %s\n", cnt.to_string().c_str());
#endif //__SYNTHESIS__
#endif     
    }
    *out =cnt;
}
 
 
 
template<typename Tin, typename Tout, unsigned int counter_precision=64>
void perfCounterProc2MemCountIncremental(hls::stream<Tin>& cmd, Tout * out) {
  
    Tin input_cmd;
    // wait to receive a value to start counting
    ap_uint<counter_precision> cnt = cmd.read();
// keep counting until a value is available
count:
    while (cmd.read_nb(input_cmd) == false) {
#pragma HLS LOOP_TRIPCOUNT min = 1 max = max_counter_cc
        cnt++;
#if DEBUG_LEVEL == TRACE_ALL
#ifndef __SYNTHESIS__
  printf("DEBUG perfCounterProc counter value = %s\n", cnt.to_string().c_str());
#endif //__SYNTHESIS__
#endif     
    }
    *out +=cnt;
}
 
 
template<typename Tin, typename Tout, unsigned int counter_precision=64>
void perfCounterMultipleCounts(hls::stream<Tin>& cmd, Tout * out) {
  #pragma HLS interface ap_ctrl_none port=return
    Tin input_cmd=1;
 
    // wait to receive a value to start counting
    ap_uint<counter_precision> cnt = cmd.read();
    reset:
    while (input_cmd != 0)//a zero will stop the counter
    {
#pragma HLS LOOP_TRIPCOUNT min = 1 max = max_counter_cc
#if DEBUG_LEVEL == TRACE_ALL
 #ifndef __SYNTHESIS__
  //printf("DEBUG begin to count :D input_cmd value = %s\n", input_cmd.to_string().c_str());
#endif //__SYNTHESIS__
#endif     
// keep counting until a value is available
count:
    while (cmd.read_nb(input_cmd) == false) {
#pragma HLS LOOP_TRIPCOUNT min = 1 max = max_counter_cc
#pragma HLS PIPELINE II=1
        cnt++;       
#if DEBUG_LEVEL == TRACE_ALL
 #ifndef __SYNTHESIS__
 // printf("DEBUG perfCounterProc counter value = %s\n", cnt.to_string().c_str());
#endif //__SYNTHESIS__
#endif     
    }
    input_cmd=cmd.read();
  }
  *out +=cnt;
}
 
 
template<typename Tevent=bool, const unsigned int counter_width=32, const unsigned int maximum_counter_value_before_reset=4000000>
void pCountClockCycles(
hls::stream<Tevent> &sOfEnableCCIncrement,
hls::stream<Tevent> &sOfResetCounter, 
hls::stream<Tevent> &sOfGetTheCounter,
hls::stream<ap_uint<counter_width> > &oSClockCounter)
{
 
  static ap_uint<counter_width> internal_counter = 0;
  static bool pop_the_counter = false;
#pragma HLS reset variable=internal_counter
#pragma HLS reset variable=pop_the_counter
//giving priority to the pop
  if(!sOfGetTheCounter.empty()){
    pop_the_counter = sOfGetTheCounter.read();
  }
  if (pop_the_counter && !oSClockCounter.full())
  {
    oSClockCounter.write(internal_counter);
    pop_the_counter=false;
  }
  if(!sOfResetCounter.empty()){
    bool reset_or_not = sOfResetCounter.read();
    if (reset_or_not)
    {
      internal_counter = 0;
    }
  }
  if(!sOfEnableCCIncrement.empty()){
    bool increment = sOfEnableCCIncrement.read();
    if (increment)
    {
      if(internal_counter==maximum_counter_value_before_reset){
        internal_counter=1;
      }else{
        internal_counter++;
      }
#if DEBUG_LEVEL == TRACE_ALL
#ifndef __SYNTHESIS__
  printf("DEBUG pCountClockCycles counter value = %s\n", internal_counter.to_string().c_str());
#endif //__SYNTHESIS__
#endif      
    }
  }
}
 
#endif //_ROLE_WARPTRANSFORM_HW_COMMON_HPP_