From 523f4c90a1e0558200c411f9827f8190aa761f02 Mon Sep 17 00:00:00 2001
From: "adam@algroup.co.uk"
<adam@algroup.co.uk@ef4ab9da-24cd-11de-8aaa-f3a34680c41f>
Date: Tue, 1 Sep 2009 23:17:57 +0000
Subject: [PATCH 1/1] amp command - amplify sample peaks
---
winsrc/command.cpp | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/winsrc/command.cpp b/winsrc/command.cpp
index 929cff07..c1b3e372 100644
--- a/winsrc/command.cpp
+++ b/winsrc/command.cpp
@@ -1808,6 +1808,40 @@ static void CmdNorm(char *str)
RepaintGraphWindow();
}
+static void CmdAmp(char *str)
+{
+ int i, rising, falling;
+ int max = INT_MIN, min = INT_MAX;
+ for(i = 10; i < GraphTraceLen; i++) {
+ if(GraphBuffer[i] > max) {
+ max = GraphBuffer[i];
+ }
+ if(GraphBuffer[i] < min) {
+ min = GraphBuffer[i];
+ }
+ }
+ if(max != min) {
+ rising= falling= 0;
+ for(i = 0; i < GraphTraceLen; i++) {
+ if(GraphBuffer[i+1] < GraphBuffer[i]) {
+ if(rising) {
+ GraphBuffer[i]= max;
+ rising= 0;
+ }
+ falling= 1;
+ }
+ if(GraphBuffer[i+1] > GraphBuffer[i]) {
+ if(falling) {
+ GraphBuffer[i]= min;
+ falling= 0;
+ }
+ rising= 1;
+ }
+ }
+ }
+ RepaintGraphWindow();
+}
+
static void CmdDec(char *str)
{
int i;
@@ -2794,6 +2828,7 @@ static struct {
int offline; // 1 if the command can be used when in offline mode
char *docString;
} CommandTable[] = {
+ {"amp", CmdAmp, 1, "Amplify peaks"},
{"askdemod", Cmdaskdemod, 1, "<samples per bit> <0|1> -- Attempt to demodulate simple ASK tags"},
{"autocorr", CmdAutoCorr, 1, "<window length> -- Autocorrelation over window"},
{"bitsamples", CmdBitsamples, 0, "Get raw samples as bitstring"},
--
2.39.5