From e740244a63bf70338708ab0619683a156af567b8 Mon Sep 17 00:00:00 2001
From: Marc Majoral <mmajoral@cttc.es>
Date: Thu, 28 Apr 2022 21:24:15 +0200
Subject: [PATCH] removed the code that was commented out and the file headers
 that were not used

---
 src/algorithms/signal_source/libs/fpga_dma.cc | 35 ++-----------------
 src/algorithms/signal_source/libs/fpga_dma.h  |  8 +----
 2 files changed, 4 insertions(+), 39 deletions(-)

diff --git a/src/algorithms/signal_source/libs/fpga_dma.cc b/src/algorithms/signal_source/libs/fpga_dma.cc
index 15c214683..9afbacf24 100644
--- a/src/algorithms/signal_source/libs/fpga_dma.cc
+++ b/src/algorithms/signal_source/libs/fpga_dma.cc
@@ -15,29 +15,12 @@
  */
 
 #include "fpga_dma.h"
-#include <errno.h>
 #include <fcntl.h>
-#include <iostream>  // for operator<<
-#include <pthread.h>
-#include <sched.h>
-#include <signal.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/param.h>
-#include <sys/time.h>
-#include <time.h>
+#include <iostream>     // for std::cerr
+#include <sys/ioctl.h>  // for ioctl()
+#include <sys/mman.h>   // libraries used by the GIPO
 #include <unistd.h>
 
-//Fpga_DMA::Fpga_DMA()
-//{
-//
-//}
-
-
 int Fpga_DMA::DMA_open()
 {
     tx_channel.fd = open("/dev/dma_proxy_tx", O_RDWR);
@@ -55,11 +38,6 @@ int Fpga_DMA::DMA_open()
             return -1;
         }
 
-
-    //buffer = std::vector<int8_t>(BUFFER_SIZE);
-    //tx_channel.buf_ptr[0].buffer2 = buffer;
-    //tx_channel.buf_ptr[0].buffer = &buffer;
-
     return 0;
 }
 
@@ -75,13 +53,6 @@ int Fpga_DMA::DMA_write(int nbytes)
     int buffer_id = 0;
 
     tx_channel.buf_ptr[0].length = nbytes;
-    //std::cout << "transmitting " << nbytes << " bytes" << std::endl;
-
-    // debug write values to buffer
-    //for (uint k= 0; k < 512; k++)
-    //{
-    //	tx_channel.buf_ptr[0].buffer[k] = k;
-    //}
 
     // start DMA transfer
     if (ioctl(tx_channel.fd, START_XFER, &buffer_id))
diff --git a/src/algorithms/signal_source/libs/fpga_dma.h b/src/algorithms/signal_source/libs/fpga_dma.h
index f652cbc8f..6fe2b12e6 100644
--- a/src/algorithms/signal_source/libs/fpga_dma.h
+++ b/src/algorithms/signal_source/libs/fpga_dma.h
@@ -18,8 +18,7 @@
 #ifndef GNSS_SDR_FPGA_DMA_H
 #define GNSS_SDR_FPGA_DMA_H
 
-#include <cstdint>
-#include <vector>
+#include <cstdint>  // for int8_t
 
 #define BUFFER_SIZE (128 * 1024) /* must match driver exactly */
 
@@ -31,10 +30,7 @@
 // channel buffer structure
 struct channel_buffer
 {
-    //unsigned int buffer[BUFFER_SIZE / sizeof(unsigned int)];
     int8_t buffer[BUFFER_SIZE];
-    //int8_t *buffer2;
-    //std::vector<int8_t> * buffer;
     enum proxy_status
     {
         PROXY_NO_ERROR = 0,
@@ -89,7 +85,5 @@ public:
 
 private:
     channel tx_channel;
-    //int8_t buffer[BUFFER_SIZE];
-    //std::vector<int8_t> buffer;
 };
 #endif  // GNSS_SDR_FPGA_DMA_H