From ba280ff150695025390e0f039a3f6651090f2edb Mon Sep 17 00:00:00 2001
From: Vipin Thomas <vipin.thomas@stud.th-deg.de>
Date: Sat, 5 Jun 2021 15:46:50 +0000
Subject: [PATCH] Update pixel2.cpp
---
pixel2.cpp | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 56 insertions(+)
create mode 100644 pixel2.cpp
diff --git a/pixel2.cpp b/pixel2.cpp
new file mode 100644
index 0000000..91715df
--- /dev/null
+++ b/pixel2.cpp
@@ -0,0 +1,56 @@
+#include <iostream>
+#include <hls_stream.h>
+#include <ap_axi_sdata.h>
+
+using namespace std;
+
+typedef ap_axis<32,0,0,0> pkt_t;
+static int count = 0;
+static int count_streams = 0;
+static bool flag = false;
+static int p_count = 3;
+
+void pixel(
+ ap_int<32> position,
+ ap_int<32> stream_count,
+ hls::stream< pkt_t > &din,
+ hls::stream< pkt_t > &dout
+) {
+ #pragma HLS INTERFACE ap_ctrl_none port=return
+ #pragma HLS INTERFACE s_axilite port=position
+ #pragma HLS INTERFACE s_axilite port=stream_count
+ #pragma HLS INTERFACE axis port=din
+ #pragma HLS INTERFACE axis port=dout
+
+ pkt_t pkt=din.read();
+ count_streams++;
+
+
+ if(count == position || count == position+1 || count == position+2){
+ pkt.data -= 1;
+ p_count--;
+ if(p_count==0){
+ count = -1;
+ flag=true;
+ }
+
+ }
+
+ if(!flag){
+ count++;
+ }
+
+ if (count_streams == stream_count){
+ count_streams = 0;
+ flag = false;
+ p_count=3;
+ count = 0;
+ }
+
+ // pending: have to make count=0 when TLAST signal is active - for w not in the range of 0 to n(size of the array)
+
+
+ dout.write(pkt);
+
+}
+
--
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