From 3aa4014baa5da711770ed37660f38149f8b4ddb0 Mon Sep 17 00:00:00 2001
From: marshmellow42 <marshmellowrf@gmail.com>
Date: Wed, 7 Jan 2015 16:34:02 -0500
Subject: [PATCH 1/1] Fix Tune Samples (broken in commit 12/31 by me)
---
client/cmddata.c | 54 ++++++++++++++++++++++++++++++++++++++----------
1 file changed, 43 insertions(+), 11 deletions(-)
diff --git a/client/cmddata.c b/client/cmddata.c
index bce5d2ce..657a118b 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -1089,24 +1089,56 @@ int CmdSamples(const char *Cmd)
int CmdTuneSamples(const char *Cmd)
{
- int cnt = 0;
- int n = 255;
- uint8_t got[255];
+ int timeout = 0;
+ printf("\nMeasuring antenna characteristics, please wait...");
- PrintAndLog("Reading %d samples\n", n);
- GetFromBigBuf(got,n,7256); // armsrc/apps.h: #define FREE_BUFFER_OFFSET 7256
- WaitForResponse(CMD_ACK,NULL);
- for (int j = 0; j < n; j++) {
- GraphBuffer[cnt++] = ((int)got[j]) - 128;
+ UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING};
+ SendCommand(&c);
+
+ UsbCommand resp;
+ while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING,&resp,1000)) {
+ timeout++;
+ printf(".");
+ if (timeout > 7) {
+ PrintAndLog("\nNo response from Proxmark. Aborting...");
+ return 1;
+ }
+ }
+
+ int peakv, peakf;
+ int vLf125, vLf134, vHf;
+ vLf125 = resp.arg[0] & 0xffff;
+ vLf134 = resp.arg[0] >> 16;
+ vHf = resp.arg[1] & 0xffff;;
+ peakf = resp.arg[2] & 0xffff;
+ peakv = resp.arg[2] >> 16;
+ PrintAndLog("");
+ PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0);
+ PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0);
+ PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1));
+ PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0);
+ if (peakv<2000)
+ PrintAndLog("# Your LF antenna is unusable.");
+ else if (peakv<10000)
+ PrintAndLog("# Your LF antenna is marginal.");
+ if (vHf<2000)
+ PrintAndLog("# Your HF antenna is unusable.");
+ else if (vHf<5000)
+ PrintAndLog("# Your HF antenna is marginal.");
+
+ for (int i = 0; i < 256; i++) {
+ GraphBuffer[i] = resp.d.asBytes[i] - 128;
}
PrintAndLog("Done! Divisor 89 is 134khz, 95 is 125khz.\n");
PrintAndLog("\n");
- GraphTraceLen = n;
- RepaintGraphWindow();
- return 0;
+ GraphTraceLen = 256;
+ ShowGraphWindow();
+
+ return 0;
}
+
int CmdLoad(const char *Cmd)
{
FILE *f = fopen(Cmd, "r");
--
2.39.5