make parser slightly more user friendly (default to 'help')

[proxmark3-svn] / armsrc / appmain.c

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 674c891741e62e5abdaf17fa61eaf20f663b33bc..ecf22adfed41b5e0990dc78452a123966675cfa1 100644 (file)
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -76,6 +76,9 @@ void DbpString(char *str)
        UsbCommand c;\r
        c.cmd = CMD_DEBUG_PRINT_STRING;\r
        c.arg[0] = strlen(str);\r
+       if(c.arg[0] > sizeof(c.d.asBytes)) {\r
+               c.arg[0] = sizeof(c.d.asBytes);\r
+       }\r
        memcpy(c.d.asBytes, str, c.arg[0]);\r
 \r
        UsbSendPacket((BYTE *)&c, sizeof(c));\r
@@ -716,9 +719,12 @@ 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
+                       ack.cmd = CMD_ACK;\r
+                       UsbSendPacket((BYTE*)&ack, sizeof(ack));\r
                        break;\r
                }\r
 \r