X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/13a79da4e974239d72bb0b132c02c67fb2600ad8..040a7baad0fa7c2901e44e5f5f63f0918d29ae97:/armsrc/appmain.c

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 674c8917..e5cd16b7 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -76,6 +76,9 @@ void DbpString(char *str)
 	UsbCommand c;
 	c.cmd = CMD_DEBUG_PRINT_STRING;
 	c.arg[0] = strlen(str);
+	if(c.arg[0] > sizeof(c.d.asBytes)) {
+		c.arg[0] = sizeof(c.d.asBytes);
+	}
 	memcpy(c.d.asBytes, str, c.arg[0]);
 
 	UsbSendPacket((BYTE *)&c, sizeof(c));
@@ -565,11 +568,14 @@ void ListenReaderField(int limit)
 void UsbPacketReceived(BYTE *packet, int len)
 {
 	UsbCommand *c = (UsbCommand *)packet;
+	UsbCommand ack;
+	ack.cmd = CMD_ACK;
 
 	switch(c->cmd) {
 #ifdef WITH_LF
 		case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:
 			AcquireRawAdcSamples125k(c->arg[0]);
+			UsbSendPacket((BYTE*)&ack, sizeof(ack));
 			break;
 #endif
 
@@ -719,6 +725,7 @@ void UsbPacketReceived(BYTE *packet, int len)
 			BYTE *b = (BYTE *)BigBuf;
 			memcpy(b+c->arg[0], c->d.asBytes, 48);
 			//Dbprintf("copied 48 bytes to %i",b+c->arg[0]);
+			UsbSendPacket((BYTE*)&ack, sizeof(ack));
 			break;
 		}