Revision 4:d3349b4b6496, committed 2020-11-28

Comitter:

hakusan270

Date:

Sat Nov 28 13:58:50 2020 +0000

Parent:

3:7606e50461e1

Commit message:

reset issue

Changed in this revision

diff -r 7606e50461e1 -r d3349b4b6496 nRF24L01P.cpp
--- a/nRF24L01P.cpp	Sat Nov 28 07:13:12 2020 +0000
+++ b/nRF24L01P.cpp	Sat Nov 28 13:58:50 2020 +0000
@@ -181,15 +181,40 @@
     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
-
     wait_us(_NRF24L01P_TIMING_Tundef2pd_us);    // Wait for Power-on reset
+/******** Reset ************/
+    setRegister(_NRF24L01P_REG_CONFIG, 0x08); // Power Down
+    flush_tx_fifo();
+    flush_rx_fifo();
+    setRegister(_NRF24L01P_REG_EN_AA,         0x3F);
+    setRegister(_NRF24L01P_REG_EN_RXADDR,     0x03);
+    setRegister(_NRF24L01P_REG_SETUP_AW,      0x03);
+    setRegister(_NRF24L01P_REG_SETUP_RETR,    0x03);
+    setRegister(_NRF24L01P_REG_RF_CH,         0x02);
+    setRegister(_NRF24L01P_REG_RF_SETUP,      0x07);
+    setRegister(_NRF24L01P_REG_STATUS,        0x0E); 
+    setRegister(_NRF24L01P_REG_RX_ADDR_P2,    0xC3);
+    setRegister(_NRF24L01P_REG_RX_ADDR_P3,    0xC4);
+    setRegister(_NRF24L01P_REG_RX_ADDR_P4,    0xC4);
+    setRegister(_NRF24L01P_REG_RX_ADDR_P5,    0xC5);
+    setRegister(_NRF24L01P_REG_RX_PW_P0,      0x00);
+    setRegister(_NRF24L01P_REG_RX_PW_P1,      0x00);
+    setRegister(_NRF24L01P_REG_RX_PW_P2,      0x00);
+    setRegister(_NRF24L01P_REG_RX_PW_P3,      0x00);
+    setRegister(_NRF24L01P_REG_RX_PW_P4,      0x00);
+    setRegister(_NRF24L01P_REG_RX_PW_P5,      0x00);
+    setRegister(_NRF24L01P_REG_FIFO_STATUS,   0x00);
+    setRegister(_NRF24L01P_REG_DYNPD,         0x00);
+    setRegister(_NRF24L01P_REG_FEATURE,       0x00);     
+/*********************/
+    wait_us(_NRF24L01P_TIMING_Tundef2pd_us);    // Wait for Power-on reset
+
     setRegister(_NRF24L01P_REG_CONFIG, 0); // Power Down
-    wait_us(_NRF24L01P_TIMING_Tundef2pd_us);
+
     setRegister(_NRF24L01P_REG_STATUS, _NRF24L01P_STATUS_MAX_RT|_NRF24L01P_STATUS_TX_DS|_NRF24L01P_STATUS_RX_DR);   // Clear any pending interrupts
 
     //
@@ -198,7 +223,7 @@
     disableAllRxPipes();
     setRfFrequency();
     setRfOutputPower();
-    setAirDataRate(NRF24L01P_DATARATE_250_KBPS);
+    setAirDataRate();
     setCrcWidth();
     setTxAddress();
     setRxAddress();
@@ -210,6 +235,22 @@
 
 }
 
+void
+nRF24L01P::flush_tx_fifo()
+{
+    nCS_ = 0;
+    int status = spi_.write(_NRF24L01P_SPI_CMD_FLUSH_TX);
+    nCS_ = 1;
+       wait_us( _NRF24L01P_TIMING_Tpece2csn_us );
+}
+void
+nRF24L01P::flush_rx_fifo()
+{
+    nCS_ = 0;
+    int status = spi_.write(_NRF24L01P_SPI_CMD_FLUSH_RX);
+    nCS_ = 1;
+       wait_us( _NRF24L01P_TIMING_Tpece2csn_us );
+}
 
 void nRF24L01P::powerUp(void) {
 

diff -r 7606e50461e1 -r d3349b4b6496 nRF24L01P.h
--- a/nRF24L01P.h	Sat Nov 28 07:13:12 2020 +0000
+++ b/nRF24L01P.h	Sat Nov 28 13:58:50 2020 +0000
@@ -97,6 +97,8 @@
      */
     nRF24L01P(PinName mosi, PinName miso, PinName sck, PinName csn, PinName ce, PinName irq = NC);
 
+    void flush_rx_fifo();
+    void flush_tx_fifo();
     /**
      * Set the RF frequency.
      *