allow skipping delay(5) in powerUp()

jscrane · Nov 27, 2020 · ffd7524 · ffd7524
1 parent a0cd707
commit ffd7524
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/RF24.cpp b/RF24.cpp
@@ -755,7 +755,7 @@ void RF24::powerDown(void)
 /****************************************************************************/
 
 //Power up now. Radio will not power down unless instructed by MCU for config changes etc.
-void RF24::powerUp(void)
+void RF24::powerUp(bool wait)
 {
     // if not powered up then power up and wait for the radio to initialize
     if (!(config_reg & _BV(PWR_UP))) {
@@ -765,7 +765,8 @@ void RF24::powerUp(void)
         // For nRF24L01+ to go from power down mode to TX or RX mode it must first pass through stand-by mode.
         // There must be a delay of Tpd2stby (see Table 16.) after the nRF24L01+ leaves power down mode before
         // the CEis set high. - Tpd2stby can be up to 5ms per the 1.0 datasheet
-        delay(5);
+	if (wait)
+            delay(5);
     }
 }
 

diff --git a/RF24.h b/RF24.h
@@ -385,7 +385,7 @@ class RF24 {
      * To return to low power mode, call powerDown().
      * @note This will take up to 5ms for maximum compatibility
      */
-    void powerUp(void);
+    void powerUp(bool wait = true);
 
     /**
     * Write for single NOACK writes. Optionally disables acknowledgements/autoretries for a single write.