Kenny Huang / nRF24L01

Added Flush Tx and Rx Buffer to Owen Edwards version of the library.

Dependents:   HexiComm HexiwearAlertSystem Hexi

Fork of nRF24L01P by Owen Edwards

Files at this revision

API Documentation at this revision

Revision 1:b3ea38f27b69, committed 2016-10-05

Comitter:
khuang
Date:
Wed Oct 05 06:02:50 2016 +0000
Parent:
0:8ae48233b4e4
Commit message:
Added flush tx and rx to startup sequence;

Changed in this revision

nRF24L01P.cpp Show annotated file Show diff for this revision Revisions of this file
nRF24L01P.h Show annotated file Show diff for this revision Revisions of this file 
diff -r 8ae48233b4e4 -r b3ea38f27b69 nRF24L01P.cpp
--- a/nRF24L01P.cpp	Wed Jan 19 22:59:48 2011 +0000
+++ b/nRF24L01P.cpp	Wed Oct 05 06:02:50 2016 +0000
@@ -178,17 +178,19 @@
                      PinName ce,
                      PinName irq) : spi_(mosi, miso, sck), nCS_(csn), ce_(ce), nIRQ_(irq) {
 
-    mode = _NRF24L01P_MODE_UNKNOWN;
-
-    disable();
-
+   
     nCS_ = 1;
 
     spi_.frequency(_NRF24L01P_SPI_MAX_DATA_RATE/5);     // 2Mbit, 1/5th the maximum transfer rate for the SPI bus
     spi_.format(8,0);                                   // 8-bit, ClockPhase = 0, ClockPolarity = 0
+}
 
+void	nRF24L01P::init(void)
+{
+ 	mode = _NRF24L01P_MODE_UNKNOWN;
+    disable();
     wait_us(_NRF24L01P_TIMING_Tundef2pd_us);    // Wait for Power-on reset
-
+    
     setRegister(_NRF24L01P_REG_CONFIG, 0); // Power Down
 
     setRegister(_NRF24L01P_REG_STATUS, _NRF24L01P_STATUS_MAX_RT|_NRF24L01P_STATUS_TX_DS|_NRF24L01P_STATUS_RX_DR);   // Clear any pending interrupts
@@ -206,6 +208,11 @@
     disableAutoAcknowledge();
     disableAutoRetransmit();
     setTransferSize();
+    
+    nCS_ = 0;
+    spi_.write(_NRF24L01P_SPI_CMD_FLUSH_TX);
+    spi_.write(_NRF24L01P_SPI_CMD_FLUSH_RX);
+    nCS_ = 1;
 
     mode = _NRF24L01P_MODE_POWER_DOWN;
 
@@ -1027,3 +1034,32 @@
     return status;
 
 }
+
+bool nRF24L01P::getRPD(){
+    uint8_t rpd = getRegister(_NRF24L01P_REG_RPD);
+    return (rpd>0);
+}
+
+uint8_t nRF24L01P::getRSSI(){
+    uint8_t rssi =0;
+    for(int i=0; i<256; i++){
+        rssi += getRPD();
+        Thread::wait(50);
+        flushRx();
+    }
+    return rssi;
+}
+
+void nRF24L01P::flushRx(void)
+{
+    nCS_ = 0;
+    spi_.write(_NRF24L01P_SPI_CMD_FLUSH_RX);
+    nCS_ = 1;
+}
+
+void nRF24L01P::flushTx(void)
+{
+    nCS_ = 0;
+    spi_.write(_NRF24L01P_SPI_CMD_FLUSH_TX);
+    nCS_ = 1;
+}

diff -r 8ae48233b4e4 -r b3ea38f27b69 nRF24L01P.h
--- a/nRF24L01P.h	Wed Jan 19 22:59:48 2011 +0000
+++ b/nRF24L01P.h	Wed Oct 05 06:02:50 2016 +0000
@@ -309,6 +309,14 @@
      * @param count number of retransmits before generating an error (1..15)
      */
     void enableAutoRetransmit(int delay, int count);
+    
+    void init(void);
+    
+    uint8_t getRSSI(void);
+    void flushRx(void);
+    void flushTx(void);
+
+
 
 private: