From 2d9337a1170ea7e5b16294a820b44593c59301ab Mon Sep 17 00:00:00 2001
From: Vipin Thomas <vipin.thomas@stud.th-deg.de>
Date: Mon, 21 Jun 2021 09:54:48 +0000
Subject: [PATCH] Update pixel.cpp
---
pixel.cpp | 72 +++++++++++++++++++++++++++++++++++++++++--------------
1 file changed, 54 insertions(+), 18 deletions(-)
diff --git a/pixel.cpp b/pixel.cpp
index e386207..1950682 100644
--- a/pixel.cpp
+++ b/pixel.cpp
@@ -9,52 +9,81 @@ using namespace std;
typedef ap_axis<32,0,0,0> pkt_t;
static int count_streams = 0;
static long long charIn=0;
+static long long final_char=0;
int addNum=0;
-long long toAscii(int number);
long long convert(int n);
int convertBinInt(long long n);
+void decrypt(int data);
-void pixel(char key,
+void pixel(ap_int<32> selector,
ap_int<32> position1,
ap_int<32> position2,
ap_int<32> stream_count,
- ap_int<32> ascii,
+ ap_int<32> &ascii,
hls::stream< pkt_t > &din,
hls::stream< pkt_t > &dout
) {
#pragma HLS INTERFACE ap_ctrl_none port=return
- #pragma HLS INTERFACE s_axilite port=key
+ #pragma HLS INTERFACE s_axilite port=selector
#pragma HLS INTERFACE s_axilite port=position1
#pragma HLS INTERFACE s_axilite port=position2
#pragma HLS INTERFACE s_axilite port=stream_count
- #pragma HLS INTERFACE s_axilite port=ascii
+ #pragma HLS INTERFACE s_axilite port=ascii
#pragma HLS INTERFACE axis port=din
#pragma HLS INTERFACE axis port=dout
- pkt_t pkt=din.read();
- if (count_streams == 0){
- charIn=toAscii(ascii);
- }
+ pkt_t pkt=din.read();
- if((count_streams >= 3 * (position1 - 1)) && (count_streams < 3 * (position2))&& (charIn!=0)){
+ switch(selector)
+ {
+ case 0:
+
+ if (count_streams == 0){
+ charIn=convert(ascii);
+ }
- addNum=charIn%10;
- charIn=(int)charIn/10;
+ if((count_streams >= 3 * (position1 - 1)) && (count_streams < 3 * (position2) - 1)){
+ addNum=0;
+ if(charIn!=0){
+ addNum=charIn%10;
+ charIn=(int)charIn/10;
+ }
- pkt.data = convertBinInt((convert(pkt.data)/10)*10+addNum)
- // pkt.data-=addNum;
+ if(pkt.data % 2 == 0 && addNum == 1){
+ pkt.data += 1;
+ }else if(pkt.data % 2 != 0 && addNum == 0){
+ pkt.data -= 1;
+ }
- }
+ }
+
+ break;
+ case 1:
+ if((count_streams >= 3 * (position1 - 1)) && (count_streams < 3 * (position2))){
+
+ decrypt(pkt.data);
+
+ }
+ break;
+
+ default:
+ break;
+ }
+
count_streams++;
if (count_streams == stream_count){
count_streams = 0;
charIn=0;
addNum=0;
+
+ if(selector == 1){
+ ascii= convertBinInt(final_char);
+ }
}
@@ -74,10 +103,15 @@ long long convert(int n) {
return bin;
}
+void decrypt(int data) {
+int bit;
+if(data % 2 == 0){
+ bit = 0;
+}else if(data % 2 != 0){
+ bit=1;
+}
+final_char= final_char*10+bit;
-long long toAscii(int c) {
- long long bin = convert(c);
- return bin;
}
int convertBinInt(long long n) {
@@ -90,3 +124,5 @@ int convertBinInt(long long n) {
}
return dec;
}
+
+
--
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