specify timeout in milliseconds

kraftsensor.c

@@ -49,8 +49,9 @@ uint8_t wait_receive(uint8_t len, uint16_t dest[], uint8_t timeout){
     uint8_t breaker = timeout;
     while(!receiveOkay && breaker) { //wait for client response, time out after 1s
         breaker--;
-        _delay_ms(10);	
+        _delay_ms(1);
     }
+    printf("breaker: %d\n\r", breaker);
 
     if(receiveOkay) { //if this fails, there was either no response or a crc error
         if(rxbuffer[1]&0x80) { //client responded with an error code

main.c

@@ -82,7 +82,10 @@ void send_info(void){
         sprintf(msg, "False");
     mqtt_pub(&mqtt_client, "/Filamentanlage/05_Abzug/state/abzug/onoff", msg, strlen(msg));
 
+    if(kraftsensor_valid)
         ltoa(kraftsensor_value, msg, 10);
+    else
+        msg[0] = '0';
     mqtt_pub(&mqtt_client, "/Filamentanlage/05_Abzug/state/kraft", msg, strlen(msg));
 
     ltoa(taenzer_state.pos, msg, 10);