那位高手能写一个NRF24L01模块程序供学习

oyt88

NRF24L01模块
2Mbit/s速率下接收时的峰值电流12.5mA
2.在2Mbit/s速率下@0dBm输出时的峰值电流11mA
3.掉电模式下的功耗400nA
4.待机模式下的功耗32uA
5.130us 的快速切换和唤醒时间

小毛驴

这个TB很多啊，百度也有。。。不用再写了吧。。。。。。。。。。。。

oyt88

没有用BASCOM语言写的呀，都是用C语言写的。

oyt88

这个是C语言程序。谁能写个BASCOM程序供大家学习。

箫天

BASCOM官网上有例程。

箫天

http://www.mcselec.com/index.php ... d=212&Itemid=57

oyt88

我的妹妹，全英语注释，怎么能看懂呀，谢谢老兄。

oyt88

'------------------------------------------------------------------
' Nordic nRF24L01 data link demo in Enhanced Shockburst mode
' By Evert Dekker 2007 nRF24L01@Evertdekker dotje com
' Created with Bascom-Avr: 1.11.8.3
'------------------------------------------------------------------

$regfile = "M8def.dat"
$crystal = 7372800
$baud = 19200
$hwstack = 40
$swstack = 20
$framesize = 40

'=== Declare sub routines
Declare Sub R_register(byval Command As Byte , Byval C_bytes As Byte)
Declare Sub W_register(byval C_bytes As Byte)

'=== Constante ===
'Define nRF24L01 interrupt flag's
Const Idle_int = &H00 'Idle, no interrupt pending
Const Max_rt = &H10 'Max #of Tx Retrans Interrupt
Const Tx_ds = &H20 'Tx Data Sent Interrupt
Const Rx_dr = &H40 'Rx Data Received
'SPI(nRF24L01) commands
Const Read_reg = &H00 'Define Read Command To Register
Const Write_reg = &H20 'Define Write Command To Register
Const Rd_rx_pload = &H61 'Define Rx Payload Register Address
Const Wr_tx_pload = &HA0  'Define Tx Payload Register Address
Const Flush_tx = &HE1 'Define Flush Tx Register Command
Const Flush_rx = &HE2 'Define Flush Rx Register Command
Const Reuse_tx_pl = &HE3 'Define Reuse Tx Payload Register Command
Const Nop_comm = &HFF 'Define No Operation , Might Be Used To Read Status Register
'SPI(nRF24L01) registers(addresses)
Const Config_nrf = &H00 'Config' register address
Const En_aa = &H01 'Enable Auto Acknowledgment' register address
Const En_rxaddr = &H02 'Enabled RX addresses' register address
Const Setup_aw = &H03 'Setup address width' register address
Const Setup_retr = &H04 'Setup Auto. Retrans' register address
Const Rf_ch = &H05  'RF channel' register address
Const Rf_setup = &H06 'RF setup' register address
Const Status = &H07 'Status' register address
Const Observe_tx = &H08 'Observe TX' register address
Const Cd = &H09 'Carrier Detect' register address
Const Rx_addr_p0 = &H0A 'RX address pipe0' register address
Const Rx_addr_p1 = &H0B 'RX address pipe1' register address
Const Rx_addr_p2 = &H0C 'RX address pipe2' register address
Const Rx_addr_p3 = &H0D  'RX address pipe3' register address
Const Rx_addr_p4 = &H0E 'RX address pipe4' register address
Const Rx_addr_p5 = &H0F 'RX address pipe5' register address
Const Tx_addr = &H10  'TX address' register address
Const Rx_pw_p0 = &H11 'RX payload width, pipe0' register address
Const Rx_pw_p1 = &H12 'RX payload width, pipe1' register address
Const Rx_pw_p2 = &H13 'RX payload width, pipe2' register address
Const Rx_pw_p3 = &H14 'RX payload width, pipe3' register address
Const Rx_pw_p4 = &H15  'RX payload width, pipe4' register address
Const Rx_pw_p5 = &H16 'RX payload width, pipe5' register address
Const Fifo_status = &H17 'FIFO Status Register' register address
'Various
Const True = 1
Const False = 0

'=== Config hardware ===
Config Spi = Hard , Interrupt = Off , Data Order = Msb , Master = Yes , Polarity = Low , Phase = 0 , Clockrate = 4 , Noss = 1
'Software SPI is NOT working with the nRF24L01, use hardware SPI only, but the SS pin must be controlled by our self
Config Pinc.5 = Output 'CE pin is output
Config Pinb.2 = Output 'SS pin is output
Config Pinc.4 = Input  'IRQ pin is input
Config Pinc.3 = Input 'TX/RX Device _select
Ce Alias Portc.5
Ss Alias Portb.2
Irq Alias Pinc.4
Txrx_device Alias Pinc.3
Spiinit  'init the spi pins
Set Ce
Waitms 10 'Wait a moment until all hardware is stable
Reset Ce 'Set CE pin low
Reset Ss  'Set SS pin low (CSN pin)
Dim D_bytes(33) As Byte , B_bytes(33) As Byte 'Dim the bytes use for SPI, D_bytes = outgoing B_bytes = Incoming
Dim Temp As Byte , W As Word
Dim Packet_count As Byte

If Txrx_device = True Then Goto Main_tx 'Is this the RX or TX device?
'===Main rx==========================================================================================================================
Main_rx:
Call R_register(status , 1)  'Read STATUS register
Print "Rx_device" 'Send to terminal who i'm
Reset Ce 'Set CE low to access the registers
Gosub Setup_rx  'Setup the nRF24L01 for RX
Waitms 2 'Add a delay before going in RX
Set Ce 'Set nRF20L01 in RX mode
Do  'Main loop for RX
If Irq = 0 Then 'Wait until IRQ occurs, pin becomes low on interrupt
Reset Ce 'Receiver must be disabled before reading pload
Do 'Loop until all 3 fifo buffers are empty
Call R_register(rd_rx_pload , 5) 'Read 5 bytes RX pload register
Print "Pload : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5)) 'Print the pload
Call R_register(fifo_status , 1) 'Read FIFO_STATUS
Loop Until B_bytes(1).0 = True 'Test or RX_EMPTY bit is true, RX FIFO empty
D_bytes(1) = Write_reg + Status 'Reset the RX_DR status bit
D_bytes(2) = &B01000000 'Write 1 to RX_DR bit to reset IRQ
Call W_register(2)
Set Ce  'Enable receiver again
Waitms 2
End If
'Gosub Dump_registers 'Unremark me for debugging
Loop
Return

'===Main tx==========================================================================================================================
Main_tx:
Print "TX_device" 'Send to terminal who i'm
D_bytes(1) = Flush_tx 'Flush the TX_fifo buffer
Call W_register(1)
D_bytes(1) = Write_reg + Status 'Reset the IRQ bits
D_bytes(2) = &B00110000
Call W_register(2)
Do 'Main loop for TX
Incr Packet_count 'Increase the send packet counter, for test only
If Packet_count > 254 Then Packet_count = 0
Gosub Setup_tx 'Setup the nrf240l01 for TX
D_bytes(1) = Wr_tx_pload 'Put 5 bytes in the TX pload buffer
D_bytes(2) = &HAA 'Byte 1
D_bytes(3) = &HBB 'Byte 2
D_bytes(4) = &HCC 'Byte 3
D_bytes(5) = &H11  'Byte 4
D_bytes(6) = Packet_count 'Byte 5 will be increase every loop
Call W_register(6) 'Write 6 bytes to register
Waitms 2
Set Ce  'Set CE for a short moment to transmit the fifo buffer
Waitms 1 '
Reset Ce '
Waitms 100  'Some delay to read the output on the terminal, line can be removed for max. speed
W = 0 'Counter for time out
Do
If Irq = 0 Then
Call R_register(status , 1)
Temp = B_bytes(1) And &B01110000 'Mask the IRQ bits out the status byte
Select Case Temp 'Which IRQ occurs
Case Max_rt 'MAX_RT
Print "Maximum number of TX retries, Flussing the TX buffer now !"
D_bytes(1) = Flush_tx 'Flush the TX buffer
Call W_register(1)
D_bytes(1) = Write_reg + Status
D_bytes(2) = &B00010000 'Clear the MAX_RT IRQ bit
Call W_register(2)
Exit Do
Case Tx_ds 'TX_DS
Print "Packet " ; Packet_count ; " send and ACK received."
D_bytes(1) = Write_reg + Status
D_bytes(2) = &B00100000 'Clear the TX_DS IRQ bit
Call W_register(2)
Exit Do
Case Else 'Other IRQ ??
Print "Other irq " ; Bin(temp)
  D_bytes(1) = Flush_tx 'Flush the TX buffer
Call W_register(1)
D_bytes(1) = Write_reg + Status
D_bytes(2) = &B00110000 'Clear both MAX_RT, TX_DS bits
  Call W_register(2)
End Select
End If
Waitms 1 'Time out waiting for IRQ 1ms * 100
Incr W 'Increment W
If W > 100 Then  'Waited for 100ms
Print "No irq response from RF20L01 within 100ms"
Exit Do 'Exit the wait loop
End If
Loop
Loop
Return

oyt88

'=== Sub routines ===
Sub W_register(byval C_bytes As Byte) 'Write register with SPI
Reset Ss 'Manual control SS pin, set SS low before shifting out the bytes
Spiout D_bytes(1) , C_bytes 'Shiftout the data bytes trough SPI , C_bytes is the amount bytes to be written
Set Ss 'Set SS high
End Sub

Sub R_register(byval Command As Byte , Byval C_bytes As Byte) As Byte 'C_bytes = Count_bytes, number off bytes to be read
Reset Ss 'Manual controle SS pin, set low before shifting in/out the bytes
Spiout Command , 1 'First shiftout the register to be read
Spiin B_bytes(1) , C_bytes 'Read back the bytes from SPI sended by nRF20L01
Set Ss 'Set SS back to high level
End Sub


Setup_rx: 'Setup for RX
D_bytes(1) = Write_reg + Rx_addr_p0 'RX adress for pipe0
D_bytes(2) = &H34
D_bytes(3) = &H43
D_bytes(4) = &H10
D_bytes(5) = &H10
D_bytes(6) = &H01
Call W_register(6) 'Send 6 bytes to SPI
D_bytes(1) = Write_reg + En_aa 'Enable auto ACK for pipe0
D_bytes(2) = &H01
Call W_register(2)
D_bytes(1) = Write_reg + En_rxaddr 'Enable RX adress for pipe0
D_bytes(2) = &H01
Call W_register(2)
D_bytes(1) = Write_reg + Rf_ch 'Set RF channel
D_bytes(2) = 40
Call W_register(2)
D_bytes(1) = Write_reg + Rx_pw_p0 'Set RX pload width for pipe0
D_bytes(2) = 5
Call W_register(2)
D_bytes(1) = Write_reg + Rf_setup 'Setup RF-> Output power 0dbm, datarate 2Mbps and LNA gain on
D_bytes(2) = &H0F
Call W_register(2)
D_bytes(1) = Write_reg + Config_nrf 'Setup CONFIG-> PRX=1(RX_device), PWR_UP=1, CRC 2bytes, Enable CRC
D_bytes(2) = &H0F
Call W_register(2)
Return

Setup_tx: 'Setup for TX
D_bytes(1) = Write_reg + Tx_addr 'TX adress
D_bytes(2) = &H34
D_bytes(3) = &H43
D_bytes(4) = &H10
D_bytes(5) = &H10
D_bytes(6) = &H01
Call W_register(6)
D_bytes(1) = Write_reg + Rx_addr_p0 'RX adress for pipe0
D_bytes(2) = &H34
D_bytes(3) = &H43
D_bytes(4) = &H10
D_bytes(5) = &H10
D_bytes(6) = &H01
Call W_register(6)
D_bytes(1) = Write_reg + En_aa 'Enable auto ACK for pipe0
D_bytes(2) = &H01
Call W_register(2)
D_bytes(1) = Write_reg + En_rxaddr 'Enable RX adress for pipe0
D_bytes(2) = &H01
Call W_register(2)
D_bytes(1) = Write_reg + Rf_ch 'Set RF channel
D_bytes(2) = 40
Call W_register(2)
D_bytes(1) = Write_reg + Rf_setup 'Setup RF-> Output power 0dbm, datarate 2Mbps and LNA gain on
D_bytes(2) = &H0F
Call W_register(2)
D_bytes(1) = Write_reg + Config_nrf 'Setup CONFIG-> PRX=0(TX_device), PWR_UP=1, CRC 2bytes, Enable CRC

D_bytes(2) = &H0E
Call W_register(2)
Return

Dump_registers: 'Dumps all nRF24L01 registers to the terminal, handy for debugging
Print "* Dump nRF24L01 Registers *"
Call R_register(config_nrf , 1)
Print "CONFIG : " ; Bin(b_bytes(1))
Call R_register(en_aa , 1)
Print "EN_AA : " ; Bin(b_bytes(1))
Call R_register(en_rxaddr , 1)
Print "EN_RXADDR : " ; Bin(b_bytes(1))
Call R_register(setup_aw , 1)
Print "SETUP_AW : " ; Bin(b_bytes(1))
Call R_register(setup_retr , 1)
Print "SETUP_RETR : " ; Bin(b_bytes(1))
Call R_register(rf_ch , 1)
Print "RF_CH : " ; B_bytes(1)
Call R_register(rf_setup , 1)
Print "RF_SETUP : " ; Bin(b_bytes(1))
Call R_register(status , 1)
Print "STATUS : " ; Bin(b_bytes(1))
Call R_register(observe_tx , 1)
Print "OBSERVE_TX : " ; Bin(b_bytes(1))
Call R_register(cd , 1)
Print "CD : " ; Bin(b_bytes(1))
Call R_register(rx_addr_p0 , 5)
Print "RX_ADDR_P0 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(rx_addr_p1 , 5)
Print "RX_ADDR_P1 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(rx_addr_p2 , 5)
Print "RX_ADDR_P2 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(rx_addr_p3 , 5)
Print "RX_ADDR_P3 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(rx_addr_p4 , 5)
Print "RX_ADDR_P4 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(rx_addr_p5 , 5)
Print "RX_ADDR_P5 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(tx_addr , 5)
Print "TX_ADDR : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(rx_pw_p0 , 5)
Print "RX_PW_P0 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(rx_pw_p1 , 5)
Print "RX_PW_P1 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(rx_pw_p2 , 5)
Print "RX_PW_P2 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(rx_pw_p3 , 5)
Print "RX_PW_P3 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(rx_pw_p4 , 5)
Print "RX_PW_P4 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(rx_pw_p5 , 5)
Print "RX_PW_P5 : " ; Hex(b_bytes(1)) ; Hex(b_bytes(2)) ; Hex(b_bytes(3)) ; Hex(b_bytes(4)) ; Hex(b_bytes(5))
Call R_register(fifo_status , 1)
Print "FIFO_STATUS : " ; Bin(b_bytes(1))
Return