This is a work in progress for an NRF2401P
Dependents: NRF_receiver sender locker4 Weather_Station_Ofiicial ... more
About
This is a simple library to drive the nRF24l01+.
Hardware
This uses the commonly available breakout. The connections are shown below
Software
Use case: For a simple transmitter
tx code snipet
#include "NRF2401P.h" int main() { * * long long addr1=0xAB00CD; // setup address - any 5 byte number - same as RX * int channel =0x12; // [0-126] setup channel, must be same as RX * bool txOK; * char msg[32]; * char ackData[32]; * char len; * * // Setup * NRF2401P nrf1(PTD6,PTD7, PTD5,PTD4, PTC12); //mosi, miso, sclk, csn, ce) * nrf1.quickTxSetup(channel, addr1); // sets nrf24l01+ as transmitter * * // transmit * strcpy (msg, "Hello"); * txOK= nrf1.transmitData(msg,strlen(msg)); * * // read ack data if available * if (nrf1.isAckData()) { * len= nrf1.getRxData(ackData); // len is number of bytes in ackData * } *}
Use case: For a simple receiver
rx code snipet
#include "NRF2401P.h" *int main(){ * * long long addr1=0xAB00CD; // setup address - any 5 byte number - same as TX * int channel =0x12; // [0-126] setup channel, must be same as TX * bool txOK; * char msg[32]; * char ackData[32]; * char len; * * // Setup * NRF2401P nrf1(PTD6,PTD7, PTD5,PTD4, PTC12); //mosi, miso, sclk, csn, ce) * nrf1.quickRxSetup(channel, addr1); // sets nrf24l01+ as receiver, using pipe 1 * * // set ack data * sprintf(ackData,"Ack data"); * nrf1.acknowledgeData(ackData, strlen(ackData),1); // ack for pipe 1 * * // receive * while (! nrf1.isRxData()); // note this blocks until RX data * len= nrf1.getRxData(msg); // gets the message, len is length of msg * *}
NRF2401P.cpp@15:9998698cb041, 2015-06-18 (annotated)
- Committer:
- epgmdm
- Date:
- Thu Jun 18 20:54:25 2015 +0000
- Revision:
- 15:9998698cb041
- Parent:
- 4:e55807cf840b
Cleaned up code. most functions now return void. Status is tracked in the class. Use checkStatus().
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
epgmdm | 0:8fd0531ae0be | 1 | /** |
epgmdm | 0:8fd0531ae0be | 2 | *@section DESCRIPTION |
epgmdm | 0:8fd0531ae0be | 3 | * mbed NRF2401+ Library |
epgmdm | 0:8fd0531ae0be | 4 | *@section LICENSE |
epgmdm | 0:8fd0531ae0be | 5 | * Copyright (c) 2015, Malcolm McCulloch |
epgmdm | 0:8fd0531ae0be | 6 | * |
epgmdm | 0:8fd0531ae0be | 7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
epgmdm | 0:8fd0531ae0be | 8 | * of this software and associated documentation files (the "Software"), to deal |
epgmdm | 0:8fd0531ae0be | 9 | * in the Software without restriction, including without limitation the rights |
epgmdm | 0:8fd0531ae0be | 10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
epgmdm | 0:8fd0531ae0be | 11 | * copies of the Software, and to permit persons to whom the Software is |
epgmdm | 0:8fd0531ae0be | 12 | * furnished to do so, subject to the following conditions: |
epgmdm | 0:8fd0531ae0be | 13 | * |
epgmdm | 0:8fd0531ae0be | 14 | * The above copyright notice and this permission notice shall be included in |
epgmdm | 0:8fd0531ae0be | 15 | * all copies or substantial portions of the Software. |
epgmdm | 0:8fd0531ae0be | 16 | * |
epgmdm | 0:8fd0531ae0be | 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
epgmdm | 0:8fd0531ae0be | 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
epgmdm | 0:8fd0531ae0be | 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
epgmdm | 0:8fd0531ae0be | 20 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
epgmdm | 0:8fd0531ae0be | 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
epgmdm | 0:8fd0531ae0be | 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
epgmdm | 0:8fd0531ae0be | 23 | * THE SOFTWARE. |
epgmdm | 0:8fd0531ae0be | 24 | * @file "NRF2401P.cpp" |
epgmdm | 0:8fd0531ae0be | 25 | */ |
epgmdm | 2:ca0a3c0bba70 | 26 | #include "mbed.h" |
epgmdm | 2:ca0a3c0bba70 | 27 | #include "NRF2401P.h" |
epgmdm | 2:ca0a3c0bba70 | 28 | #include "nRF24l01.h" |
epgmdm | 0:8fd0531ae0be | 29 | |
epgmdm | 0:8fd0531ae0be | 30 | |
epgmdm | 0:8fd0531ae0be | 31 | NRF2401P::NRF2401P ( PinName mosi, PinName miso, PinName sclk, PinName _csn, PinName _ce ) : |
epgmdm | 0:8fd0531ae0be | 32 | csn( DigitalOut( _csn ) ), ce( DigitalOut( _ce ) ) |
epgmdm | 0:8fd0531ae0be | 33 | { |
epgmdm | 0:8fd0531ae0be | 34 | addressWidth = 5; |
epgmdm | 15:9998698cb041 | 35 | sprintf(logMsg, "Initialise nNR24l01P" ); |
epgmdm | 0:8fd0531ae0be | 36 | log(logMsg); |
epgmdm | 0:8fd0531ae0be | 37 | spi = new SPI( mosi, miso, sclk, NC ); //SPI (PinName mosi, PinName miso, PinName sclk, PinName _unused=NC) |
epgmdm | 0:8fd0531ae0be | 38 | spi->frequency( 10000000 ); // 1MHZ max 10 MHz |
epgmdm | 0:8fd0531ae0be | 39 | spi->format( 8, 0 ); // 0: 0e 08; 1: 0e 00; 2:0e 00 ;3:1c 00 |
epgmdm | 0:8fd0531ae0be | 40 | csn = 1; |
epgmdm | 0:8fd0531ae0be | 41 | ce = 0; |
epgmdm | 0:8fd0531ae0be | 42 | dynamic = false; |
epgmdm | 3:afe8d307b5c3 | 43 | debug=false; |
epgmdm | 0:8fd0531ae0be | 44 | |
epgmdm | 0:8fd0531ae0be | 45 | }; |
epgmdm | 0:8fd0531ae0be | 46 | |
epgmdm | 0:8fd0531ae0be | 47 | /** |
epgmdm | 0:8fd0531ae0be | 48 | * writes to pc and waits |
epgmdm | 0:8fd0531ae0be | 49 | */ |
epgmdm | 0:8fd0531ae0be | 50 | void NRF2401P::log (char *msg) |
epgmdm | 0:8fd0531ae0be | 51 | { |
epgmdm | 0:8fd0531ae0be | 52 | if(debug) { |
epgmdm | 2:ca0a3c0bba70 | 53 | printf("\t <%s \t %s>\n\r",statusString(), msg); |
epgmdm | 1:ff53b1ac3bad | 54 | wait(0.01); |
epgmdm | 0:8fd0531ae0be | 55 | }; |
epgmdm | 0:8fd0531ae0be | 56 | } |
epgmdm | 0:8fd0531ae0be | 57 | |
epgmdm | 0:8fd0531ae0be | 58 | /** |
epgmdm | 2:ca0a3c0bba70 | 59 | * start here to configure the basics of the NRF |
epgmdm | 2:ca0a3c0bba70 | 60 | */ |
epgmdm | 2:ca0a3c0bba70 | 61 | |
epgmdm | 2:ca0a3c0bba70 | 62 | void NRF2401P::start() |
epgmdm | 2:ca0a3c0bba70 | 63 | { |
epgmdm | 2:ca0a3c0bba70 | 64 | writeReg( CONFIG, 0x0c ); // set 16 bit crc |
epgmdm | 2:ca0a3c0bba70 | 65 | setTxRetry(0x01,0x0f); // 500 uS, 15 retries |
epgmdm | 2:ca0a3c0bba70 | 66 | setRadio(0,0x03); // 1MB/S 0dB |
epgmdm | 2:ca0a3c0bba70 | 67 | setDynamicPayload(); |
epgmdm | 2:ca0a3c0bba70 | 68 | setChannel(76); // should be clear? |
epgmdm | 2:ca0a3c0bba70 | 69 | setAddressWidth(5); |
epgmdm | 2:ca0a3c0bba70 | 70 | flushRx(); |
epgmdm | 2:ca0a3c0bba70 | 71 | flushTx(); |
epgmdm | 2:ca0a3c0bba70 | 72 | setPwrUp(); |
epgmdm | 2:ca0a3c0bba70 | 73 | setTxMode(); // just make sure no spurious reads.... |
epgmdm | 2:ca0a3c0bba70 | 74 | |
epgmdm | 2:ca0a3c0bba70 | 75 | } |
epgmdm | 2:ca0a3c0bba70 | 76 | /** |
epgmdm | 0:8fd0531ae0be | 77 | * Sets up a reciever using shockburst and dynamic payload. Uses pipe 1 |
epgmdm | 0:8fd0531ae0be | 78 | * defaults to 5 bytes |
epgmdm | 0:8fd0531ae0be | 79 | */ |
epgmdm | 2:ca0a3c0bba70 | 80 | void NRF2401P::quickRxSetup(int channel,long long addrRx) |
epgmdm | 0:8fd0531ae0be | 81 | { |
epgmdm | 2:ca0a3c0bba70 | 82 | start(); |
epgmdm | 0:8fd0531ae0be | 83 | setChannel(channel); |
epgmdm | 2:ca0a3c0bba70 | 84 | setRxAddress(addrRx,1); |
epgmdm | 0:8fd0531ae0be | 85 | setRxMode(); |
epgmdm | 0:8fd0531ae0be | 86 | ce=1; |
epgmdm | 2:ca0a3c0bba70 | 87 | wait (0.001f); |
epgmdm | 0:8fd0531ae0be | 88 | } |
epgmdm | 0:8fd0531ae0be | 89 | /** |
epgmdm | 0:8fd0531ae0be | 90 | * Sets up for receive of a message to address 0XA0A0A0 |
epgmdm | 0:8fd0531ae0be | 91 | */ |
epgmdm | 0:8fd0531ae0be | 92 | |
epgmdm | 15:9998698cb041 | 93 | void NRF2401P::testReceive() |
epgmdm | 0:8fd0531ae0be | 94 | { |
epgmdm | 0:8fd0531ae0be | 95 | char message[64]; |
epgmdm | 0:8fd0531ae0be | 96 | char width; |
epgmdm | 0:8fd0531ae0be | 97 | int channel = 0x12; |
epgmdm | 0:8fd0531ae0be | 98 | long long addr=0xA0B0C0; |
epgmdm | 0:8fd0531ae0be | 99 | debug = true; |
epgmdm | 0:8fd0531ae0be | 100 | quickRxSetup(channel, addr); |
epgmdm | 0:8fd0531ae0be | 101 | |
epgmdm | 0:8fd0531ae0be | 102 | while (1) { |
epgmdm | 0:8fd0531ae0be | 103 | while (!isRxData()) { |
epgmdm | 0:8fd0531ae0be | 104 | //wait(0.5); |
epgmdm | 0:8fd0531ae0be | 105 | }; |
epgmdm | 0:8fd0531ae0be | 106 | width=getRxData(message); |
epgmdm | 0:8fd0531ae0be | 107 | message[width]='\0'; |
epgmdm | 0:8fd0531ae0be | 108 | sprintf(logMsg,"Received= [%s]",message); |
epgmdm | 0:8fd0531ae0be | 109 | log(logMsg); |
epgmdm | 0:8fd0531ae0be | 110 | }; |
epgmdm | 0:8fd0531ae0be | 111 | } |
epgmdm | 0:8fd0531ae0be | 112 | |
epgmdm | 0:8fd0531ae0be | 113 | /** |
epgmdm | 2:ca0a3c0bba70 | 114 | * Sets the number and the timimg of TX retries |
epgmdm | 2:ca0a3c0bba70 | 115 | */ |
epgmdm | 2:ca0a3c0bba70 | 116 | |
epgmdm | 2:ca0a3c0bba70 | 117 | void NRF2401P::setTxRetry(char delay, char numTries) |
epgmdm | 2:ca0a3c0bba70 | 118 | { |
epgmdm | 2:ca0a3c0bba70 | 119 | char val = (delay&0xf)<<4 | (numTries&0xf); |
epgmdm | 2:ca0a3c0bba70 | 120 | writeReg (SETUP_RETR, val); |
epgmdm | 2:ca0a3c0bba70 | 121 | } |
epgmdm | 2:ca0a3c0bba70 | 122 | |
epgmdm | 2:ca0a3c0bba70 | 123 | |
epgmdm | 2:ca0a3c0bba70 | 124 | /** |
epgmdm | 0:8fd0531ae0be | 125 | * Sets up a transmitter using shockburst and dynamic payload. Uses pipe 1 |
epgmdm | 0:8fd0531ae0be | 126 | * defaults to 5 bytes |
epgmdm | 0:8fd0531ae0be | 127 | */ |
epgmdm | 0:8fd0531ae0be | 128 | void NRF2401P::quickTxSetup(int channel,long long addr) |
epgmdm | 0:8fd0531ae0be | 129 | { |
epgmdm | 2:ca0a3c0bba70 | 130 | start(); |
epgmdm | 0:8fd0531ae0be | 131 | setChannel(channel); |
epgmdm | 2:ca0a3c0bba70 | 132 | setTxAddress(addr); |
epgmdm | 0:8fd0531ae0be | 133 | setTxMode(); |
epgmdm | 0:8fd0531ae0be | 134 | ce=1; |
epgmdm | 0:8fd0531ae0be | 135 | wait (0.0016f); // wait for pll to settle |
epgmdm | 0:8fd0531ae0be | 136 | } |
epgmdm | 0:8fd0531ae0be | 137 | |
epgmdm | 0:8fd0531ae0be | 138 | /** |
epgmdm | 0:8fd0531ae0be | 139 | * Sets up for transmit of a message to address 0XA0A0A0 |
epgmdm | 0:8fd0531ae0be | 140 | */ |
epgmdm | 0:8fd0531ae0be | 141 | |
epgmdm | 15:9998698cb041 | 142 | void NRF2401P::testTransmit() |
epgmdm | 0:8fd0531ae0be | 143 | { |
epgmdm | 0:8fd0531ae0be | 144 | long long addr=0xA0B0C0; |
epgmdm | 0:8fd0531ae0be | 145 | int channel = 0x12; |
epgmdm | 0:8fd0531ae0be | 146 | char data[32] ; |
epgmdm | 0:8fd0531ae0be | 147 | int i=0; |
epgmdm | 0:8fd0531ae0be | 148 | quickRxSetup(channel, addr); |
epgmdm | 0:8fd0531ae0be | 149 | while (1) { |
epgmdm | 0:8fd0531ae0be | 150 | sprintf(data," packet %03d", i++ |100); |
epgmdm | 0:8fd0531ae0be | 151 | transmitData(data,18); |
epgmdm | 0:8fd0531ae0be | 152 | wait (1.0); |
epgmdm | 0:8fd0531ae0be | 153 | } |
epgmdm | 0:8fd0531ae0be | 154 | |
epgmdm | 0:8fd0531ae0be | 155 | } |
epgmdm | 0:8fd0531ae0be | 156 | /** |
epgmdm | 0:8fd0531ae0be | 157 | *Speed : |
epgmdm | 0:8fd0531ae0be | 158 | ‘0x00’ – 1Mbps |
epgmdm | 0:8fd0531ae0be | 159 | ‘0x01’ – 2Mbps |
epgmdm | 0:8fd0531ae0be | 160 | ‘0x02’ – 250kbps |
epgmdm | 0:8fd0531ae0be | 161 | ‘0x03’ – Reserved |
epgmdm | 0:8fd0531ae0be | 162 | Power: |
epgmdm | 0:8fd0531ae0be | 163 | '0x00' – -18dBm |
epgmdm | 0:8fd0531ae0be | 164 | '0x01' – -12dBm |
epgmdm | 0:8fd0531ae0be | 165 | '0x02' – -6dBm |
epgmdm | 0:8fd0531ae0be | 166 | '0x03' – 0dBm |
epgmdm | 0:8fd0531ae0be | 167 | */ |
epgmdm | 15:9998698cb041 | 168 | void NRF2401P::setRadio(char speed,char power) |
epgmdm | 0:8fd0531ae0be | 169 | { |
epgmdm | 0:8fd0531ae0be | 170 | char val=0; |
epgmdm | 15:9998698cb041 | 171 | if (debug){ |
epgmdm | 0:8fd0531ae0be | 172 | sprintf(logMsg, "Set radio"); |
epgmdm | 0:8fd0531ae0be | 173 | log(logMsg); |
epgmdm | 15:9998698cb041 | 174 | } |
epgmdm | 0:8fd0531ae0be | 175 | if (speed & 0x02) { |
epgmdm | 0:8fd0531ae0be | 176 | val |= (1<<5); |
epgmdm | 0:8fd0531ae0be | 177 | } |
epgmdm | 0:8fd0531ae0be | 178 | val |= (speed & 0x01)<<3; |
epgmdm | 0:8fd0531ae0be | 179 | |
epgmdm | 0:8fd0531ae0be | 180 | val |= ((power &0x03)<<1); |
epgmdm | 0:8fd0531ae0be | 181 | writeReg (0x06,val); |
epgmdm | 0:8fd0531ae0be | 182 | |
epgmdm | 0:8fd0531ae0be | 183 | } |
epgmdm | 15:9998698cb041 | 184 | |
epgmdm | 0:8fd0531ae0be | 185 | /** |
epgmdm | 0:8fd0531ae0be | 186 | Set RF_CH = chan; |
epgmdm | 0:8fd0531ae0be | 187 | |
epgmdm | 0:8fd0531ae0be | 188 | F0= 2400 + chan [MHz] |
epgmdm | 0:8fd0531ae0be | 189 | */ |
epgmdm | 15:9998698cb041 | 190 | void NRF2401P::setChannel(char chan) |
epgmdm | 0:8fd0531ae0be | 191 | { |
epgmdm | 0:8fd0531ae0be | 192 | sprintf(logMsg, "Set channel"); |
epgmdm | 0:8fd0531ae0be | 193 | log(logMsg); |
epgmdm | 0:8fd0531ae0be | 194 | writeReg (0x05,(chan&0x7f)); |
epgmdm | 0:8fd0531ae0be | 195 | } |
epgmdm | 0:8fd0531ae0be | 196 | /** |
epgmdm | 0:8fd0531ae0be | 197 | * Transmits width bytes of data. width <32 |
epgmdm | 3:afe8d307b5c3 | 198 | * returns 1 if succeful |
epgmdm | 0:8fd0531ae0be | 199 | */ |
epgmdm | 3:afe8d307b5c3 | 200 | bool NRF2401P::transmitData( char *data, char width ) |
epgmdm | 0:8fd0531ae0be | 201 | { |
epgmdm | 3:afe8d307b5c3 | 202 | if (width>32) return 0; |
epgmdm | 3:afe8d307b5c3 | 203 | |
epgmdm | 2:ca0a3c0bba70 | 204 | //clearStatus(); |
epgmdm | 2:ca0a3c0bba70 | 205 | //ce = 1; |
epgmdm | 0:8fd0531ae0be | 206 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 207 | char address = 0XA0; |
epgmdm | 0:8fd0531ae0be | 208 | int i; |
epgmdm | 0:8fd0531ae0be | 209 | // set up for writing |
epgmdm | 0:8fd0531ae0be | 210 | status = spi->write( address ); |
epgmdm | 0:8fd0531ae0be | 211 | for ( i = 0; i <width; i++ ) { |
epgmdm | 0:8fd0531ae0be | 212 | spi->write( data[ i ] ); |
epgmdm | 0:8fd0531ae0be | 213 | } |
epgmdm | 0:8fd0531ae0be | 214 | csn = 1; |
epgmdm | 3:afe8d307b5c3 | 215 | wait(0.001); |
epgmdm | 3:afe8d307b5c3 | 216 | checkStatus(); |
epgmdm | 3:afe8d307b5c3 | 217 | if ((status>>4)&1) { // Max retries - flush tx |
epgmdm | 3:afe8d307b5c3 | 218 | flushTx(); |
epgmdm | 3:afe8d307b5c3 | 219 | } |
epgmdm | 3:afe8d307b5c3 | 220 | if (debug) { |
epgmdm | 15:9998698cb041 | 221 | sprintf(logMsg, " Transmit data %d bytes to %02x (%02x) = %10s", width, address, status, data ); |
epgmdm | 3:afe8d307b5c3 | 222 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 223 | } |
epgmdm | 0:8fd0531ae0be | 224 | return status; |
epgmdm | 0:8fd0531ae0be | 225 | |
epgmdm | 0:8fd0531ae0be | 226 | } |
epgmdm | 0:8fd0531ae0be | 227 | |
epgmdm | 0:8fd0531ae0be | 228 | /** |
epgmdm | 0:8fd0531ae0be | 229 | * sets acknowledge data width bytes of data. width <32 |
epgmdm | 0:8fd0531ae0be | 230 | */ |
epgmdm | 15:9998698cb041 | 231 | void NRF2401P::acknowledgeData( char *data, char width, char pipe ) |
epgmdm | 0:8fd0531ae0be | 232 | { |
epgmdm | 0:8fd0531ae0be | 233 | ce = 1; |
epgmdm | 0:8fd0531ae0be | 234 | csn = 0; |
epgmdm | 2:ca0a3c0bba70 | 235 | //writeReg(0x1d,0x06); // enable payload with ack |
epgmdm | 2:ca0a3c0bba70 | 236 | char address = W_ACK_PAYLOAD | (pipe&0x07); |
epgmdm | 0:8fd0531ae0be | 237 | int i; |
epgmdm | 0:8fd0531ae0be | 238 | // set up for writing |
epgmdm | 3:afe8d307b5c3 | 239 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 240 | status = spi->write( address ); |
epgmdm | 0:8fd0531ae0be | 241 | for ( i = 0; i <width; i++ ) { |
epgmdm | 0:8fd0531ae0be | 242 | spi->write( data[ i ] ); |
epgmdm | 0:8fd0531ae0be | 243 | } |
epgmdm | 0:8fd0531ae0be | 244 | csn = 1; |
epgmdm | 3:afe8d307b5c3 | 245 | if (debug) { |
epgmdm | 3:afe8d307b5c3 | 246 | sprintf(logMsg, " acknowledge data %d bytes to %02x (%02x) = %c", width, address, status, *data ); |
epgmdm | 3:afe8d307b5c3 | 247 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 248 | } |
epgmdm | 0:8fd0531ae0be | 249 | |
epgmdm | 0:8fd0531ae0be | 250 | } |
epgmdm | 0:8fd0531ae0be | 251 | /** |
epgmdm | 0:8fd0531ae0be | 252 | * Writes 1 byte data to a register |
epgmdm | 0:8fd0531ae0be | 253 | **/ |
epgmdm | 15:9998698cb041 | 254 | void NRF2401P::writeReg( char address, char data ) |
epgmdm | 0:8fd0531ae0be | 255 | { |
epgmdm | 0:8fd0531ae0be | 256 | char status = 0; |
epgmdm | 0:8fd0531ae0be | 257 | char reg; |
epgmdm | 0:8fd0531ae0be | 258 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 259 | address &= 0x1F; |
epgmdm | 0:8fd0531ae0be | 260 | reg = address | 0x20; |
epgmdm | 0:8fd0531ae0be | 261 | status = spi->write( reg ); |
epgmdm | 0:8fd0531ae0be | 262 | spi->write( data ); |
epgmdm | 0:8fd0531ae0be | 263 | csn = 1; |
epgmdm | 15:9998698cb041 | 264 | if (debug){ |
epgmdm | 0:8fd0531ae0be | 265 | sprintf(logMsg, " register write %02x (%02x) = %02x", address, status, data ); |
epgmdm | 0:8fd0531ae0be | 266 | log(logMsg); |
epgmdm | 15:9998698cb041 | 267 | } |
epgmdm | 0:8fd0531ae0be | 268 | } |
epgmdm | 0:8fd0531ae0be | 269 | /** |
epgmdm | 0:8fd0531ae0be | 270 | * Writes width bytes data to a register, ls byte to ms byte /for adressess |
epgmdm | 0:8fd0531ae0be | 271 | **/ |
epgmdm | 15:9998698cb041 | 272 | void NRF2401P::writeReg( char address, char *data, char width ) |
epgmdm | 0:8fd0531ae0be | 273 | { |
epgmdm | 0:8fd0531ae0be | 274 | char reg; |
epgmdm | 0:8fd0531ae0be | 275 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 276 | int i; |
epgmdm | 0:8fd0531ae0be | 277 | // set up for writing |
epgmdm | 0:8fd0531ae0be | 278 | address &= 0x1F; |
epgmdm | 0:8fd0531ae0be | 279 | reg = address| 0x20; |
epgmdm | 0:8fd0531ae0be | 280 | status = spi->write( reg ); |
epgmdm | 0:8fd0531ae0be | 281 | for ( i = width - 1; i >= 0; i-- ) { |
epgmdm | 0:8fd0531ae0be | 282 | spi->write( data[ i ] ); |
epgmdm | 0:8fd0531ae0be | 283 | } |
epgmdm | 0:8fd0531ae0be | 284 | csn = 1; |
epgmdm | 2:ca0a3c0bba70 | 285 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 286 | sprintf(logMsg, " register write %d bytes to %02x (%02x) = %02x %02x %02x", width, address, status, data[0], data[1], data[2] ); |
epgmdm | 2:ca0a3c0bba70 | 287 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 288 | } |
epgmdm | 0:8fd0531ae0be | 289 | } |
epgmdm | 15:9998698cb041 | 290 | |
epgmdm | 0:8fd0531ae0be | 291 | /** |
epgmdm | 15:9998698cb041 | 292 | * Reads 1 byte from a register in data. returns the status register |
epgmdm | 0:8fd0531ae0be | 293 | **/ |
epgmdm | 0:8fd0531ae0be | 294 | char NRF2401P::readReg( char address, char *data ) |
epgmdm | 0:8fd0531ae0be | 295 | { |
epgmdm | 0:8fd0531ae0be | 296 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 297 | address &= 0x1F; |
epgmdm | 0:8fd0531ae0be | 298 | status = spi->write( address ); |
epgmdm | 0:8fd0531ae0be | 299 | *data = spi->write( 0x00 ); |
epgmdm | 0:8fd0531ae0be | 300 | csn = 1; |
epgmdm | 0:8fd0531ae0be | 301 | // sprintf(logMsg, " register read %02x (%02x) = %02x", address, status, *data ); |
epgmdm | 0:8fd0531ae0be | 302 | // log(logMsg); |
epgmdm | 0:8fd0531ae0be | 303 | return status; |
epgmdm | 0:8fd0531ae0be | 304 | } |
epgmdm | 15:9998698cb041 | 305 | |
epgmdm | 0:8fd0531ae0be | 306 | /** |
epgmdm | 0:8fd0531ae0be | 307 | * Clears the status flags RX_DR, TX_DS, MAX_RT |
epgmdm | 0:8fd0531ae0be | 308 | */ |
epgmdm | 15:9998698cb041 | 309 | void NRF2401P::clearStatus() |
epgmdm | 0:8fd0531ae0be | 310 | { |
epgmdm | 15:9998698cb041 | 311 | writeReg(STATUS,0x70); |
epgmdm | 2:ca0a3c0bba70 | 312 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 313 | sprintf(logMsg, "Clear status (%02x)", status ); |
epgmdm | 2:ca0a3c0bba70 | 314 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 315 | } |
epgmdm | 0:8fd0531ae0be | 316 | } |
epgmdm | 0:8fd0531ae0be | 317 | /** |
epgmdm | 0:8fd0531ae0be | 318 | * flushes TX FIFO and resets status flags |
epgmdm | 0:8fd0531ae0be | 319 | */ |
epgmdm | 15:9998698cb041 | 320 | void NRF2401P::flushTx() |
epgmdm | 0:8fd0531ae0be | 321 | { |
epgmdm | 0:8fd0531ae0be | 322 | csn = 0; |
epgmdm | 2:ca0a3c0bba70 | 323 | status = spi->write( FLUSH_TX ); |
epgmdm | 0:8fd0531ae0be | 324 | csn = 1; |
epgmdm | 0:8fd0531ae0be | 325 | clearStatus(); |
epgmdm | 2:ca0a3c0bba70 | 326 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 327 | sprintf(logMsg, "Flush TX FIFO (%02x)", status ); |
epgmdm | 2:ca0a3c0bba70 | 328 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 329 | } |
epgmdm | 0:8fd0531ae0be | 330 | return; |
epgmdm | 0:8fd0531ae0be | 331 | } |
epgmdm | 0:8fd0531ae0be | 332 | |
epgmdm | 0:8fd0531ae0be | 333 | /** |
epgmdm | 0:8fd0531ae0be | 334 | * flushes RX FIFO and resets status flags |
epgmdm | 0:8fd0531ae0be | 335 | */ |
epgmdm | 15:9998698cb041 | 336 | void NRF2401P::flushRx() |
epgmdm | 0:8fd0531ae0be | 337 | { |
epgmdm | 0:8fd0531ae0be | 338 | csn = 0; |
epgmdm | 2:ca0a3c0bba70 | 339 | status = spi->write( FLUSH_RX ); |
epgmdm | 0:8fd0531ae0be | 340 | csn = 1; |
epgmdm | 2:ca0a3c0bba70 | 341 | clearStatus(); |
epgmdm | 2:ca0a3c0bba70 | 342 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 343 | sprintf(logMsg, "Flush RX FIFO (%02x)", status ); |
epgmdm | 2:ca0a3c0bba70 | 344 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 345 | } |
epgmdm | 0:8fd0531ae0be | 346 | } |
epgmdm | 0:8fd0531ae0be | 347 | /** |
epgmdm | 0:8fd0531ae0be | 348 | * Sets PRIM_RX = 0; |
epgmdm | 0:8fd0531ae0be | 349 | */ |
epgmdm | 0:8fd0531ae0be | 350 | bool NRF2401P::setTxMode() |
epgmdm | 0:8fd0531ae0be | 351 | { |
epgmdm | 0:8fd0531ae0be | 352 | char data; |
epgmdm | 0:8fd0531ae0be | 353 | char bit; |
epgmdm | 2:ca0a3c0bba70 | 354 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 355 | sprintf(logMsg, "Set Tx Mode"); |
epgmdm | 2:ca0a3c0bba70 | 356 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 357 | } |
epgmdm | 2:ca0a3c0bba70 | 358 | readReg( CONFIG, &data ); |
epgmdm | 0:8fd0531ae0be | 359 | data &= ~( 1 << 0 ); |
epgmdm | 2:ca0a3c0bba70 | 360 | flushTx(); |
epgmdm | 2:ca0a3c0bba70 | 361 | flushRx(); |
epgmdm | 2:ca0a3c0bba70 | 362 | writeReg( CONFIG, data ); |
epgmdm | 3:afe8d307b5c3 | 363 | writeReg( RX_ADDR_P0, txAdd, addressWidth ); // reset p0 |
epgmdm | 2:ca0a3c0bba70 | 364 | writeReg(EN_RXADDR,0x01); // enable pipe 0 for reading |
epgmdm | 0:8fd0531ae0be | 365 | // check |
epgmdm | 0:8fd0531ae0be | 366 | readReg( 0x00, &data ); |
epgmdm | 0:8fd0531ae0be | 367 | bit = ( data >> 0 ) & 1; |
epgmdm | 2:ca0a3c0bba70 | 368 | |
epgmdm | 0:8fd0531ae0be | 369 | ce=1; |
epgmdm | 0:8fd0531ae0be | 370 | wait(0.003); |
epgmdm | 0:8fd0531ae0be | 371 | return ( bit == 0 ); |
epgmdm | 0:8fd0531ae0be | 372 | } |
epgmdm | 0:8fd0531ae0be | 373 | |
epgmdm | 0:8fd0531ae0be | 374 | /** |
epgmdm | 0:8fd0531ae0be | 375 | * Sets the number of bytes of the address width = 3,4,5 |
epgmdm | 0:8fd0531ae0be | 376 | */ |
epgmdm | 15:9998698cb041 | 377 | void NRF2401P::setAddressWidth( char width ) |
epgmdm | 0:8fd0531ae0be | 378 | { |
epgmdm | 0:8fd0531ae0be | 379 | addressWidth = width; |
epgmdm | 0:8fd0531ae0be | 380 | if ( ( width > 5 ) || ( width < 3 ) ) |
epgmdm | 15:9998698cb041 | 381 | return ; |
epgmdm | 0:8fd0531ae0be | 382 | width -= 2; |
epgmdm | 15:9998698cb041 | 383 | writeReg( 0x03, width ); |
epgmdm | 0:8fd0531ae0be | 384 | |
epgmdm | 0:8fd0531ae0be | 385 | } |
epgmdm | 0:8fd0531ae0be | 386 | /** |
epgmdm | 0:8fd0531ae0be | 387 | * Sets the address, uses addess width set (either 3,4 or 5) |
epgmdm | 0:8fd0531ae0be | 388 | */ |
epgmdm | 15:9998698cb041 | 389 | void NRF2401P::setTxAddress( char *address ) |
epgmdm | 0:8fd0531ae0be | 390 | { |
epgmdm | 2:ca0a3c0bba70 | 391 | memcpy (txAdd,address, addressWidth); |
epgmdm | 0:8fd0531ae0be | 392 | writeReg( 0x0A, address, addressWidth ); //Write to RX_ADDR_P0 |
epgmdm | 15:9998698cb041 | 393 | writeReg( 0x10, address, addressWidth ); //Write to TX_ADDR |
epgmdm | 0:8fd0531ae0be | 394 | |
epgmdm | 0:8fd0531ae0be | 395 | } |
epgmdm | 0:8fd0531ae0be | 396 | |
epgmdm | 0:8fd0531ae0be | 397 | /** |
epgmdm | 0:8fd0531ae0be | 398 | * Sets the address, uses addess width set (either 3,4 or 5) |
epgmdm | 0:8fd0531ae0be | 399 | */ |
epgmdm | 15:9998698cb041 | 400 | void NRF2401P::setTxAddress( long long address ) |
epgmdm | 0:8fd0531ae0be | 401 | { |
epgmdm | 0:8fd0531ae0be | 402 | |
epgmdm | 0:8fd0531ae0be | 403 | char buff[ 5 ]; |
epgmdm | 0:8fd0531ae0be | 404 | buff[ 0 ] = address & 0xff; |
epgmdm | 0:8fd0531ae0be | 405 | buff[ 1 ] = ( address >> 8 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 406 | buff[ 2 ] = ( address >> 16 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 407 | buff[ 3 ] = ( address >> 24 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 408 | buff[ 4 ] = ( address >> 32 ) & 0xFF; |
epgmdm | 15:9998698cb041 | 409 | setTxAddress( buff ); |
epgmdm | 0:8fd0531ae0be | 410 | |
epgmdm | 0:8fd0531ae0be | 411 | } |
epgmdm | 0:8fd0531ae0be | 412 | |
epgmdm | 0:8fd0531ae0be | 413 | /** |
epgmdm | 0:8fd0531ae0be | 414 | * Sets the address, uses addess width set (either 3,4 or 5) |
epgmdm | 2:ca0a3c0bba70 | 415 | * Enables pipe for receiving; |
epgmdm | 0:8fd0531ae0be | 416 | */ |
epgmdm | 15:9998698cb041 | 417 | void NRF2401P::setRxAddress( char *address, char pipe ) |
epgmdm | 0:8fd0531ae0be | 418 | { |
epgmdm | 2:ca0a3c0bba70 | 419 | if(debug) { |
epgmdm | 2:ca0a3c0bba70 | 420 | log ("Set Rx Address"); |
epgmdm | 2:ca0a3c0bba70 | 421 | } |
epgmdm | 15:9998698cb041 | 422 | if (pipe>5) return; |
epgmdm | 2:ca0a3c0bba70 | 423 | if (pipe ==0) { |
epgmdm | 2:ca0a3c0bba70 | 424 | memcpy (pipe0Add,address, addressWidth); |
epgmdm | 2:ca0a3c0bba70 | 425 | } |
epgmdm | 2:ca0a3c0bba70 | 426 | |
epgmdm | 0:8fd0531ae0be | 427 | char reg = 0x0A + pipe; |
epgmdm | 0:8fd0531ae0be | 428 | switch ( pipe ) { |
epgmdm | 0:8fd0531ae0be | 429 | case ( 0 ) : |
epgmdm | 0:8fd0531ae0be | 430 | case ( 1 ) : { |
epgmdm | 15:9998698cb041 | 431 | writeReg( reg, address, addressWidth ); //Write to RX_ADDR_P0 or _P1 |
epgmdm | 0:8fd0531ae0be | 432 | break; |
epgmdm | 0:8fd0531ae0be | 433 | } |
epgmdm | 0:8fd0531ae0be | 434 | case ( 2 ) : |
epgmdm | 0:8fd0531ae0be | 435 | case ( 3 ) : |
epgmdm | 0:8fd0531ae0be | 436 | case ( 4 ) : |
epgmdm | 0:8fd0531ae0be | 437 | case ( 5 ) : { |
epgmdm | 15:9998698cb041 | 438 | writeReg( reg, address, 1 ); //Write to RX_ADDR_P2 ... _P5 |
epgmdm | 0:8fd0531ae0be | 439 | break; |
epgmdm | 0:8fd0531ae0be | 440 | } |
epgmdm | 0:8fd0531ae0be | 441 | |
epgmdm | 0:8fd0531ae0be | 442 | } |
epgmdm | 2:ca0a3c0bba70 | 443 | readReg(EN_RXADDR,®); |
epgmdm | 2:ca0a3c0bba70 | 444 | reg |= (1<<pipe); |
epgmdm | 2:ca0a3c0bba70 | 445 | writeReg( EN_RXADDR,reg ); //Enable the pipe |
epgmdm | 0:8fd0531ae0be | 446 | |
epgmdm | 0:8fd0531ae0be | 447 | } |
epgmdm | 0:8fd0531ae0be | 448 | |
epgmdm | 0:8fd0531ae0be | 449 | /** |
epgmdm | 0:8fd0531ae0be | 450 | * Sets the address of pipe (<=5), uses addess width set (either 3,4 or 5) |
epgmdm | 0:8fd0531ae0be | 451 | */ |
epgmdm | 15:9998698cb041 | 452 | void NRF2401P::setRxAddress( long long address, char pipe ) |
epgmdm | 0:8fd0531ae0be | 453 | { |
epgmdm | 0:8fd0531ae0be | 454 | char buff[ 5 ]; |
epgmdm | 0:8fd0531ae0be | 455 | buff[ 0 ] = address & 0xff; |
epgmdm | 0:8fd0531ae0be | 456 | buff[ 1 ] = ( address >> 8 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 457 | buff[ 2 ] = ( address >> 16 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 458 | buff[ 3 ] = ( address >> 24 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 459 | buff[ 4 ] = ( address >> 32 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 460 | return setRxAddress( buff, pipe ); |
epgmdm | 0:8fd0531ae0be | 461 | } |
epgmdm | 1:ff53b1ac3bad | 462 | /** |
epgmdm | 1:ff53b1ac3bad | 463 | *checks the status flag |
epgmdm | 1:ff53b1ac3bad | 464 | */ |
epgmdm | 1:ff53b1ac3bad | 465 | char NRF2401P::checkStatus() |
epgmdm | 1:ff53b1ac3bad | 466 | { |
epgmdm | 1:ff53b1ac3bad | 467 | readReg(0x07,&status); |
epgmdm | 1:ff53b1ac3bad | 468 | return status; |
epgmdm | 1:ff53b1ac3bad | 469 | } |
epgmdm | 15:9998698cb041 | 470 | |
epgmdm | 1:ff53b1ac3bad | 471 | /** |
epgmdm | 1:ff53b1ac3bad | 472 | * checks if Ack data available. |
epgmdm | 1:ff53b1ac3bad | 473 | */ |
epgmdm | 1:ff53b1ac3bad | 474 | bool NRF2401P::isAckData() |
epgmdm | 1:ff53b1ac3bad | 475 | { |
epgmdm | 1:ff53b1ac3bad | 476 | char fifo; |
epgmdm | 1:ff53b1ac3bad | 477 | readReg(0x17,&fifo); |
epgmdm | 1:ff53b1ac3bad | 478 | bool isData = !(fifo&0x01); |
epgmdm | 1:ff53b1ac3bad | 479 | return isData; |
epgmdm | 1:ff53b1ac3bad | 480 | } |
epgmdm | 0:8fd0531ae0be | 481 | |
epgmdm | 1:ff53b1ac3bad | 482 | /** |
epgmdm | 1:ff53b1ac3bad | 483 | * checks if RX data available. |
epgmdm | 1:ff53b1ac3bad | 484 | */ |
epgmdm | 0:8fd0531ae0be | 485 | bool NRF2401P::isRxData() |
epgmdm | 0:8fd0531ae0be | 486 | { |
epgmdm | 1:ff53b1ac3bad | 487 | checkStatus(); |
epgmdm | 0:8fd0531ae0be | 488 | bool isData = (status>>6)&0x01; |
epgmdm | 0:8fd0531ae0be | 489 | return isData; |
epgmdm | 0:8fd0531ae0be | 490 | } |
epgmdm | 0:8fd0531ae0be | 491 | /** |
epgmdm | 0:8fd0531ae0be | 492 | * returns the width of the dynamic payload |
epgmdm | 0:8fd0531ae0be | 493 | */ |
epgmdm | 0:8fd0531ae0be | 494 | char NRF2401P::getRxWidth() |
epgmdm | 0:8fd0531ae0be | 495 | { |
epgmdm | 0:8fd0531ae0be | 496 | char width; |
epgmdm | 0:8fd0531ae0be | 497 | if (dynamic) { |
epgmdm | 0:8fd0531ae0be | 498 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 499 | status = spi->write( 0x60 ); |
epgmdm | 0:8fd0531ae0be | 500 | width = spi->write(0x00); |
epgmdm | 0:8fd0531ae0be | 501 | csn = 1; |
epgmdm | 0:8fd0531ae0be | 502 | |
epgmdm | 0:8fd0531ae0be | 503 | if (width>32) { |
epgmdm | 0:8fd0531ae0be | 504 | flushRx(); |
epgmdm | 0:8fd0531ae0be | 505 | width=0; |
epgmdm | 0:8fd0531ae0be | 506 | } |
epgmdm | 0:8fd0531ae0be | 507 | } else { |
epgmdm | 0:8fd0531ae0be | 508 | status = readReg(0x12,&width); // width of p1 |
epgmdm | 0:8fd0531ae0be | 509 | |
epgmdm | 0:8fd0531ae0be | 510 | } |
epgmdm | 1:ff53b1ac3bad | 511 | // width=18; |
epgmdm | 0:8fd0531ae0be | 512 | return width; |
epgmdm | 0:8fd0531ae0be | 513 | } |
epgmdm | 15:9998698cb041 | 514 | |
epgmdm | 0:8fd0531ae0be | 515 | /** |
epgmdm | 0:8fd0531ae0be | 516 | * return message in buffer, mem for buffer must have been allocated. |
epgmdm | 0:8fd0531ae0be | 517 | * Return value is number of bytes of buffer |
epgmdm | 0:8fd0531ae0be | 518 | */ |
epgmdm | 0:8fd0531ae0be | 519 | char NRF2401P::getRxData(char * buffer) |
epgmdm | 0:8fd0531ae0be | 520 | { |
epgmdm | 0:8fd0531ae0be | 521 | char address = 0x61; |
epgmdm | 0:8fd0531ae0be | 522 | char width; |
epgmdm | 0:8fd0531ae0be | 523 | width = getRxWidth(); |
epgmdm | 0:8fd0531ae0be | 524 | bool isData = (status>>6)&0x01; |
epgmdm | 0:8fd0531ae0be | 525 | if (isData) { |
epgmdm | 0:8fd0531ae0be | 526 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 527 | int i; |
epgmdm | 0:8fd0531ae0be | 528 | // set up for reading |
epgmdm | 0:8fd0531ae0be | 529 | status = spi->write( address ); |
epgmdm | 0:8fd0531ae0be | 530 | for ( i = 0; i <= width; i++ ) { |
epgmdm | 0:8fd0531ae0be | 531 | buffer[i]=spi->write(0x00 ); |
epgmdm | 0:8fd0531ae0be | 532 | } |
epgmdm | 0:8fd0531ae0be | 533 | csn = 1; |
epgmdm | 0:8fd0531ae0be | 534 | sprintf(logMsg, "Receive data %d bytes", width ); |
epgmdm | 0:8fd0531ae0be | 535 | log(logMsg); |
epgmdm | 0:8fd0531ae0be | 536 | clearStatus(); |
epgmdm | 0:8fd0531ae0be | 537 | return width; |
epgmdm | 0:8fd0531ae0be | 538 | |
epgmdm | 0:8fd0531ae0be | 539 | } else { |
epgmdm | 0:8fd0531ae0be | 540 | sprintf(logMsg, "Receive NO data %d bytes", width ); |
epgmdm | 0:8fd0531ae0be | 541 | log(logMsg); |
epgmdm | 0:8fd0531ae0be | 542 | clearStatus(); |
epgmdm | 0:8fd0531ae0be | 543 | return 0; |
epgmdm | 0:8fd0531ae0be | 544 | } |
epgmdm | 0:8fd0531ae0be | 545 | |
epgmdm | 0:8fd0531ae0be | 546 | } |
epgmdm | 0:8fd0531ae0be | 547 | |
epgmdm | 0:8fd0531ae0be | 548 | /** |
epgmdm | 0:8fd0531ae0be | 549 | * Sets all the receive pipes to dynamic payload length |
epgmdm | 0:8fd0531ae0be | 550 | */ |
epgmdm | 2:ca0a3c0bba70 | 551 | void NRF2401P::setDynamicPayload() |
epgmdm | 0:8fd0531ae0be | 552 | { |
epgmdm | 0:8fd0531ae0be | 553 | dynamic = true; |
epgmdm | 1:ff53b1ac3bad | 554 | |
epgmdm | 2:ca0a3c0bba70 | 555 | writeReg(FEATURE,0x07); // Enable Dyn payload, Payload with Ack and w_tx_noack command |
epgmdm | 2:ca0a3c0bba70 | 556 | writeReg(EN_AA,0x3f); // EN_AA regi for P1 and P0 |
epgmdm | 2:ca0a3c0bba70 | 557 | writeReg(DYNPD, 0x1F); |
epgmdm | 0:8fd0531ae0be | 558 | } |
epgmdm | 2:ca0a3c0bba70 | 559 | |
epgmdm | 0:8fd0531ae0be | 560 | /** |
epgmdm | 0:8fd0531ae0be | 561 | * Sets PWR_UP = 1; |
epgmdm | 0:8fd0531ae0be | 562 | */ |
epgmdm | 15:9998698cb041 | 563 | void NRF2401P::setPwrUp() |
epgmdm | 0:8fd0531ae0be | 564 | { |
epgmdm | 0:8fd0531ae0be | 565 | char data; |
epgmdm | 15:9998698cb041 | 566 | // char bit; |
epgmdm | 0:8fd0531ae0be | 567 | ce=1; |
epgmdm | 2:ca0a3c0bba70 | 568 | readReg( CONFIG, &data ); |
epgmdm | 2:ca0a3c0bba70 | 569 | if ((data>>1) &0x01) { |
epgmdm | 15:9998698cb041 | 570 | return; // Already powered up |
epgmdm | 2:ca0a3c0bba70 | 571 | }; |
epgmdm | 0:8fd0531ae0be | 572 | data |= ( 0x02 ); |
epgmdm | 0:8fd0531ae0be | 573 | writeReg( 0x00, data ); |
epgmdm | 0:8fd0531ae0be | 574 | // check |
epgmdm | 15:9998698cb041 | 575 | // readReg( 0x00, &data ); |
epgmdm | 15:9998698cb041 | 576 | //bit = ( data >> 1 ) & 1; |
epgmdm | 2:ca0a3c0bba70 | 577 | |
epgmdm | 0:8fd0531ae0be | 578 | wait(0.005); // wait 5ms |
epgmdm | 2:ca0a3c0bba70 | 579 | if(debug) { |
epgmdm | 15:9998698cb041 | 580 | // sprintf(logMsg, "Set PWR_UP to %x", bit); |
epgmdm | 15:9998698cb041 | 581 | // log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 582 | } |
epgmdm | 0:8fd0531ae0be | 583 | } |
epgmdm | 0:8fd0531ae0be | 584 | /** |
epgmdm | 0:8fd0531ae0be | 585 | * Sets PRIM_RX = 0; |
epgmdm | 0:8fd0531ae0be | 586 | */ |
epgmdm | 0:8fd0531ae0be | 587 | bool NRF2401P::setRxMode() |
epgmdm | 0:8fd0531ae0be | 588 | { |
epgmdm | 0:8fd0531ae0be | 589 | char data; |
epgmdm | 0:8fd0531ae0be | 590 | char bit; |
epgmdm | 0:8fd0531ae0be | 591 | ce=1; |
epgmdm | 0:8fd0531ae0be | 592 | readReg( 0x00, &data ); |
epgmdm | 2:ca0a3c0bba70 | 593 | data |= ( 0x01 ); |
epgmdm | 2:ca0a3c0bba70 | 594 | |
epgmdm | 0:8fd0531ae0be | 595 | writeReg( 0x00, data ); |
epgmdm | 3:afe8d307b5c3 | 596 | if (pipe0Add[0]|pipe0Add[1]|pipe0Add[2]|pipe0Add[3]|pipe0Add[4] >0) { |
epgmdm | 3:afe8d307b5c3 | 597 | setRxAddress(pipe0Add,0); |
epgmdm | 2:ca0a3c0bba70 | 598 | } |
epgmdm | 0:8fd0531ae0be | 599 | // check |
epgmdm | 0:8fd0531ae0be | 600 | readReg( 0x00, &data ); |
epgmdm | 0:8fd0531ae0be | 601 | bit = ( data >> 0 ) & 1; |
epgmdm | 2:ca0a3c0bba70 | 602 | |
epgmdm | 2:ca0a3c0bba70 | 603 | wait (0.001); |
epgmdm | 0:8fd0531ae0be | 604 | flushRx(); |
epgmdm | 2:ca0a3c0bba70 | 605 | flushTx(); |
epgmdm | 2:ca0a3c0bba70 | 606 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 607 | sprintf(logMsg, " set PRIM_RX to %x", bit); |
epgmdm | 2:ca0a3c0bba70 | 608 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 609 | } |
epgmdm | 0:8fd0531ae0be | 610 | return ( bit == 1 ); |
epgmdm | 0:8fd0531ae0be | 611 | } |
epgmdm | 0:8fd0531ae0be | 612 | /** |
epgmdm | 0:8fd0531ae0be | 613 | * Prints status string |
epgmdm | 0:8fd0531ae0be | 614 | */ |
epgmdm | 0:8fd0531ae0be | 615 | char * NRF2401P::statusString() |
epgmdm | 0:8fd0531ae0be | 616 | { |
epgmdm | 0:8fd0531ae0be | 617 | char *msg; |
epgmdm | 0:8fd0531ae0be | 618 | msg = statusS; |
epgmdm | 0:8fd0531ae0be | 619 | if (((status>>1) & 0x07)==0x07) { |
epgmdm | 0:8fd0531ae0be | 620 | sprintf(msg,"RX empty"); |
epgmdm | 0:8fd0531ae0be | 621 | } else { |
epgmdm | 0:8fd0531ae0be | 622 | sprintf(msg,"pipe %02x",(status>>1) & 0x07); |
epgmdm | 0:8fd0531ae0be | 623 | } |
epgmdm | 0:8fd0531ae0be | 624 | |
epgmdm | 0:8fd0531ae0be | 625 | if ((status>>6)&0x01) strcat(msg," RX_DR,"); |
epgmdm | 0:8fd0531ae0be | 626 | if ((status>>5)&0x01) strcat(msg," TX_DS,"); |
epgmdm | 0:8fd0531ae0be | 627 | if ((status>>4)&0x01) strcat(msg," MAX_RT,"); |
epgmdm | 0:8fd0531ae0be | 628 | if ((status>>0)&0x01) strcat(msg," TX_FLL,"); |
epgmdm | 0:8fd0531ae0be | 629 | |
epgmdm | 0:8fd0531ae0be | 630 | return msg; |
epgmdm | 0:8fd0531ae0be | 631 | } |