CHG: `lf read` - optional timeout, to be used when configured a threshold limit.

diff --git a/client/cmdlf.c b/client/cmdlf.c
index f2a9bb386220e543886ef1cf56467b1cb9a95404..ba7d9cc8412f9ad58c78d01fd52a6d2fbdcfda9f 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -27,11 +27,11 @@ int usage_lf_cmdread(void) {
        return 0;
 }
 int usage_lf_read(void){
-       PrintAndLog("Usage: lf read [h] [s]");
+       PrintAndLog("Usage: lf read [h] [s] [t]");
        PrintAndLog("Options:");
        PrintAndLog("       h            This help");
        PrintAndLog("       s            silent run no printout");
-       PrintAndLog("This function takes no arguments. ");
+       PrintAndLog("       t            waits for device to respond with no timeout");
        PrintAndLog("Use 'lf config' to set parameters.");
        return 0;
 }
@@ -545,19 +545,47 @@ int CmdLFSetConfig(const char *Cmd) {
 
 int CmdLFRead(const char *Cmd) {
        bool arg1 = false;
-       uint8_t cmdp =  param_getchar(Cmd, 0);
-       
-       if ( cmdp == 'h' || cmdp == 'H') return usage_lf_read();
+       bool thresholdRead = false;     
+       uint8_t cmdp = 0;
+       while(param_getchar(Cmd, cmdp) != 0x00) {
+               switch(param_getchar(Cmd, cmdp)) {
+               case 'h':
+               case 'H':
+                       return usage_lf_read();
+               case 's':
+               case 'S':
+                       arg1 = true;
+                       cmdp++;
+                       break;
+               case 't':
+               case 'T':
+                       thresholdRead = true;
+                       cmdp++;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                       errors = 1;
+                       break;
+               }
+               if(errors) break;
+       }
        
-        //suppress print
-       if ( cmdp == 's' || cmdp == 'S') arg1 = true;
+       // No args
+       if (cmdp == 0) errors = 1;
+
+       //Validations
+       if (errors) return usage_lf_read();
 
        UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
        clearCommandBuffer();
        SendCommand(&c);
-       if ( !WaitForResponseTimeout(CMD_ACK, NULL ,2500) ) {
-               PrintAndLog("command execution time out");
-               return 1;
+       if ( thresholdRead ) {
+               WaitForResponse(CMD_ACK,NULL);  
+       } else {
+               if ( !WaitForResponseTimeout(CMD_ACK, NULL ,2500) ) {
+                       PrintAndLog("command execution time out");
+                       return 1;
+               }
        }
        return 0;
 }