make LF sampling ACK to fix USB timing issue in em410xwatch

[proxmark3-svn] / armsrc / appmain.c

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index ecf22adfed41b5e0990dc78452a123966675cfa1..f69bdccc16dee5aa9277f1580a48847bb32cef19 100644 (file)
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -568,11 +568,14 @@ void ListenReaderField(int limit)
 void UsbPacketReceived(BYTE *packet, int len)\r
 {\r
        UsbCommand *c = (UsbCommand *)packet;\r
+       UsbCommand ack;\r
 \r
        switch(c->cmd) {\r
 #ifdef WITH_LF\r
                case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:\r
                        AcquireRawAdcSamples125k(c->arg[0]);\r
+                       ack.cmd = CMD_ACK;\r
+                       UsbSendPacket((BYTE*)&ack, sizeof(ack));\r
                        break;\r
 #endif\r
 \r
@@ -719,7 +722,6 @@ void UsbPacketReceived(BYTE *packet, int len)
                }\r
 \r
                case CMD_DOWNLOADED_SIM_SAMPLES_125K: {\r
-                       UsbCommand ack;\r
                        BYTE *b = (BYTE *)BigBuf;\r
                        memcpy(b+c->arg[0], c->d.asBytes, 48);\r
                        //Dbprintf("copied 48 bytes to %i",b+c->arg[0]);\r