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@14:976a876819ae, 2015-07-11 (annotated)
- Committer:
- nixonkj
- Date:
- Sat Jul 11 22:17:36 2015 +0000
- Revision:
- 14:976a876819ae
- Parent:
- 13:5cbc726f2bbb
- Child:
- 16:a9b83d2b6915
Minro housekeeping.
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 | NRF2401P::NRF2401P ( PinName mosi, PinName miso, PinName sclk, PinName _csn, PinName _ce ) : |
epgmdm | 0:8fd0531ae0be | 31 | csn( DigitalOut( _csn ) ), ce( DigitalOut( _ce ) ) |
epgmdm | 0:8fd0531ae0be | 32 | { |
epgmdm | 0:8fd0531ae0be | 33 | addressWidth = 5; |
epgmdm | 0:8fd0531ae0be | 34 | pc = new Serial( USBTX, USBRX ); // tx, rx |
nixonkj | 6:77ead8abdd1c | 35 | if (debug) { |
nixonkj | 6:77ead8abdd1c | 36 | sprintf(logMsg, "Initialise" ); |
nixonkj | 6:77ead8abdd1c | 37 | log(logMsg); |
nixonkj | 6:77ead8abdd1c | 38 | } |
epgmdm | 0:8fd0531ae0be | 39 | spi = new SPI( mosi, miso, sclk, NC ); //SPI (PinName mosi, PinName miso, PinName sclk, PinName _unused=NC) |
epgmdm | 0:8fd0531ae0be | 40 | spi->frequency( 10000000 ); // 1MHZ max 10 MHz |
epgmdm | 0:8fd0531ae0be | 41 | spi->format( 8, 0 ); // 0: 0e 08; 1: 0e 00; 2:0e 00 ;3:1c 00 |
epgmdm | 0:8fd0531ae0be | 42 | csn = 1; |
epgmdm | 0:8fd0531ae0be | 43 | ce = 0; |
epgmdm | 0:8fd0531ae0be | 44 | dynamic = false; |
nixonkj | 6:77ead8abdd1c | 45 | debug = false; |
nixonkj | 6:77ead8abdd1c | 46 | } |
epgmdm | 0:8fd0531ae0be | 47 | |
nixonkj | 6:77ead8abdd1c | 48 | void NRF2401P::log(char *msg) |
epgmdm | 0:8fd0531ae0be | 49 | { |
epgmdm | 0:8fd0531ae0be | 50 | if(debug) { |
nixonkj | 8:3e027705ce23 | 51 | printf("\t <%s \t %s>\n\r", statusString(), msg); |
epgmdm | 1:ff53b1ac3bad | 52 | wait(0.01); |
nixonkj | 6:77ead8abdd1c | 53 | } |
epgmdm | 0:8fd0531ae0be | 54 | } |
epgmdm | 0:8fd0531ae0be | 55 | |
epgmdm | 0:8fd0531ae0be | 56 | void NRF2401P::scratch() |
epgmdm | 0:8fd0531ae0be | 57 | { |
epgmdm | 0:8fd0531ae0be | 58 | int status = 0; |
epgmdm | 0:8fd0531ae0be | 59 | int register1 = 0; |
epgmdm | 0:8fd0531ae0be | 60 | ce = 0; |
epgmdm | 0:8fd0531ae0be | 61 | for ( char i = 0; i < 24; i++ ) { |
epgmdm | 0:8fd0531ae0be | 62 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 63 | //wait_us(100); |
epgmdm | 0:8fd0531ae0be | 64 | status = spi->write( i ); |
epgmdm | 0:8fd0531ae0be | 65 | register1 = spi->write( 0x00 ); |
epgmdm | 0:8fd0531ae0be | 66 | csn = 1; |
epgmdm | 0:8fd0531ae0be | 67 | sprintf(logMsg, " register %02x (%02x) = %02x", i, status, register1 ); |
epgmdm | 0:8fd0531ae0be | 68 | log(logMsg); |
epgmdm | 0:8fd0531ae0be | 69 | } |
nixonkj | 6:77ead8abdd1c | 70 | } |
epgmdm | 0:8fd0531ae0be | 71 | |
epgmdm | 0:8fd0531ae0be | 72 | /** |
epgmdm | 2:ca0a3c0bba70 | 73 | * start here to configure the basics of the NRF |
epgmdm | 2:ca0a3c0bba70 | 74 | */ |
epgmdm | 2:ca0a3c0bba70 | 75 | void NRF2401P::start() |
epgmdm | 2:ca0a3c0bba70 | 76 | { |
nixonkj | 8:3e027705ce23 | 77 | writeReg(CONFIG, 0x0c); // set 16 bit crc |
nixonkj | 8:3e027705ce23 | 78 | setTxRetry(0x01, 0x0f); // 500 uS, 15 retries |
nixonkj | 8:3e027705ce23 | 79 | setRadio(0, 0x03); // 1MB/S 0dB |
epgmdm | 2:ca0a3c0bba70 | 80 | setDynamicPayload(); |
epgmdm | 2:ca0a3c0bba70 | 81 | setChannel(76); // should be clear? |
epgmdm | 2:ca0a3c0bba70 | 82 | setAddressWidth(5); |
epgmdm | 2:ca0a3c0bba70 | 83 | flushRx(); |
epgmdm | 2:ca0a3c0bba70 | 84 | flushTx(); |
epgmdm | 2:ca0a3c0bba70 | 85 | setPwrUp(); |
epgmdm | 2:ca0a3c0bba70 | 86 | setTxMode(); // just make sure no spurious reads.... |
nixonkj | 6:77ead8abdd1c | 87 | } |
epgmdm | 2:ca0a3c0bba70 | 88 | |
epgmdm | 2:ca0a3c0bba70 | 89 | /** |
nixonkj | 8:3e027705ce23 | 90 | * Sets up a receiver using shockburst and dynamic payload. Uses pipe 1 |
epgmdm | 0:8fd0531ae0be | 91 | * defaults to 5 bytes |
epgmdm | 0:8fd0531ae0be | 92 | */ |
epgmdm | 2:ca0a3c0bba70 | 93 | void NRF2401P::quickRxSetup(int channel,long long addrRx) |
epgmdm | 0:8fd0531ae0be | 94 | { |
epgmdm | 2:ca0a3c0bba70 | 95 | start(); |
epgmdm | 0:8fd0531ae0be | 96 | setChannel(channel); |
epgmdm | 2:ca0a3c0bba70 | 97 | setRxAddress(addrRx,1); |
epgmdm | 0:8fd0531ae0be | 98 | setRxMode(); |
epgmdm | 0:8fd0531ae0be | 99 | ce=1; |
nixonkj | 6:77ead8abdd1c | 100 | wait(0.001f); |
epgmdm | 0:8fd0531ae0be | 101 | } |
nixonkj | 6:77ead8abdd1c | 102 | |
epgmdm | 0:8fd0531ae0be | 103 | /** |
epgmdm | 0:8fd0531ae0be | 104 | * Sets up for receive of a message to address 0XA0A0A0 |
epgmdm | 0:8fd0531ae0be | 105 | */ |
epgmdm | 0:8fd0531ae0be | 106 | char NRF2401P::testReceive() |
epgmdm | 0:8fd0531ae0be | 107 | { |
epgmdm | 0:8fd0531ae0be | 108 | char message[64]; |
epgmdm | 0:8fd0531ae0be | 109 | char width; |
epgmdm | 0:8fd0531ae0be | 110 | int channel = 0x12; |
epgmdm | 0:8fd0531ae0be | 111 | long long addr=0xA0B0C0; |
epgmdm | 0:8fd0531ae0be | 112 | debug = true; |
epgmdm | 0:8fd0531ae0be | 113 | quickRxSetup(channel, addr); |
epgmdm | 0:8fd0531ae0be | 114 | |
epgmdm | 0:8fd0531ae0be | 115 | while (1) { |
epgmdm | 0:8fd0531ae0be | 116 | while (!isRxData()) { |
epgmdm | 0:8fd0531ae0be | 117 | //wait(0.5); |
epgmdm | 0:8fd0531ae0be | 118 | }; |
epgmdm | 0:8fd0531ae0be | 119 | width=getRxData(message); |
epgmdm | 0:8fd0531ae0be | 120 | message[width]='\0'; |
epgmdm | 0:8fd0531ae0be | 121 | sprintf(logMsg,"Received= [%s]",message); |
epgmdm | 0:8fd0531ae0be | 122 | log(logMsg); |
nixonkj | 6:77ead8abdd1c | 123 | } |
epgmdm | 0:8fd0531ae0be | 124 | } |
epgmdm | 0:8fd0531ae0be | 125 | |
nixonkj | 6:77ead8abdd1c | 126 | char NRF2401P::setTxRetry(char delay, char numTries) |
epgmdm | 2:ca0a3c0bba70 | 127 | { |
epgmdm | 2:ca0a3c0bba70 | 128 | char val = (delay&0xf)<<4 | (numTries&0xf); |
nixonkj | 6:77ead8abdd1c | 129 | char chk; |
nixonkj | 8:3e027705ce23 | 130 | writeReg(SETUP_RETR, val); |
nixonkj | 8:3e027705ce23 | 131 | readReg(SETUP_RETR, &chk); |
nixonkj | 6:77ead8abdd1c | 132 | if (chk&0xff == val) { |
nixonkj | 6:77ead8abdd1c | 133 | return 0; |
nixonkj | 6:77ead8abdd1c | 134 | } else { |
nixonkj | 6:77ead8abdd1c | 135 | return 1; |
nixonkj | 6:77ead8abdd1c | 136 | } |
epgmdm | 2:ca0a3c0bba70 | 137 | } |
epgmdm | 2:ca0a3c0bba70 | 138 | |
epgmdm | 2:ca0a3c0bba70 | 139 | /** |
epgmdm | 0:8fd0531ae0be | 140 | * Sets up a transmitter using shockburst and dynamic payload. Uses pipe 1 |
epgmdm | 0:8fd0531ae0be | 141 | * defaults to 5 bytes |
epgmdm | 0:8fd0531ae0be | 142 | */ |
epgmdm | 0:8fd0531ae0be | 143 | void NRF2401P::quickTxSetup(int channel,long long addr) |
epgmdm | 0:8fd0531ae0be | 144 | { |
epgmdm | 2:ca0a3c0bba70 | 145 | start(); |
epgmdm | 0:8fd0531ae0be | 146 | setChannel(channel); |
epgmdm | 2:ca0a3c0bba70 | 147 | setTxAddress(addr); |
epgmdm | 0:8fd0531ae0be | 148 | setTxMode(); |
epgmdm | 0:8fd0531ae0be | 149 | ce=1; |
epgmdm | 0:8fd0531ae0be | 150 | wait (0.0016f); // wait for pll to settle |
epgmdm | 0:8fd0531ae0be | 151 | } |
epgmdm | 0:8fd0531ae0be | 152 | |
epgmdm | 0:8fd0531ae0be | 153 | /** |
epgmdm | 0:8fd0531ae0be | 154 | * Sets up for transmit of a message to address 0XA0A0A0 |
epgmdm | 0:8fd0531ae0be | 155 | */ |
epgmdm | 0:8fd0531ae0be | 156 | char NRF2401P::testTransmit() |
epgmdm | 0:8fd0531ae0be | 157 | { |
epgmdm | 0:8fd0531ae0be | 158 | long long addr=0xA0B0C0; |
epgmdm | 0:8fd0531ae0be | 159 | int channel = 0x12; |
epgmdm | 0:8fd0531ae0be | 160 | char data[32] ; |
epgmdm | 0:8fd0531ae0be | 161 | int i=0; |
epgmdm | 0:8fd0531ae0be | 162 | quickRxSetup(channel, addr); |
epgmdm | 0:8fd0531ae0be | 163 | while (1) { |
epgmdm | 0:8fd0531ae0be | 164 | sprintf(data," packet %03d", i++ |100); |
epgmdm | 0:8fd0531ae0be | 165 | transmitData(data,18); |
epgmdm | 0:8fd0531ae0be | 166 | wait (1.0); |
epgmdm | 0:8fd0531ae0be | 167 | } |
nixonkj | 6:77ead8abdd1c | 168 | } |
epgmdm | 0:8fd0531ae0be | 169 | |
nixonkj | 6:77ead8abdd1c | 170 | char NRF2401P::setRadio(char speed, char power) |
epgmdm | 0:8fd0531ae0be | 171 | { |
nixonkj | 6:77ead8abdd1c | 172 | char val=0, chk=0; |
nixonkj | 8:3e027705ce23 | 173 | if (debug) { |
nixonkj | 8:3e027705ce23 | 174 | sprintf(logMsg, "Set radio"); |
nixonkj | 8:3e027705ce23 | 175 | log(logMsg); |
nixonkj | 8:3e027705ce23 | 176 | } |
epgmdm | 0:8fd0531ae0be | 177 | if (speed & 0x02) { |
epgmdm | 0:8fd0531ae0be | 178 | val |= (1<<5); |
epgmdm | 0:8fd0531ae0be | 179 | } |
epgmdm | 0:8fd0531ae0be | 180 | val |= (speed & 0x01)<<3; |
epgmdm | 0:8fd0531ae0be | 181 | |
nixonkj | 6:77ead8abdd1c | 182 | val |= ((power & 0x03)<<1); |
nixonkj | 6:77ead8abdd1c | 183 | printf("\n\r"); |
nixonkj | 6:77ead8abdd1c | 184 | |
nixonkj | 8:3e027705ce23 | 185 | writeReg(RF_SETUP, val); |
epgmdm | 0:8fd0531ae0be | 186 | |
nixonkj | 6:77ead8abdd1c | 187 | // read register to verify settings |
nixonkj | 8:3e027705ce23 | 188 | readReg(RF_SETUP, &chk); |
nixonkj | 6:77ead8abdd1c | 189 | if (chk&0x2E == val) { |
nixonkj | 6:77ead8abdd1c | 190 | return 0; |
nixonkj | 6:77ead8abdd1c | 191 | } else { |
nixonkj | 6:77ead8abdd1c | 192 | return 1; |
nixonkj | 6:77ead8abdd1c | 193 | } |
epgmdm | 0:8fd0531ae0be | 194 | } |
nixonkj | 6:77ead8abdd1c | 195 | |
epgmdm | 0:8fd0531ae0be | 196 | char NRF2401P::setChannel(char chan) |
epgmdm | 0:8fd0531ae0be | 197 | { |
nixonkj | 6:77ead8abdd1c | 198 | char chk=0; |
nixonkj | 6:77ead8abdd1c | 199 | if (debug) { |
nixonkj | 6:77ead8abdd1c | 200 | sprintf(logMsg, "Set channel"); |
nixonkj | 6:77ead8abdd1c | 201 | log(logMsg); |
nixonkj | 6:77ead8abdd1c | 202 | } |
nixonkj | 8:3e027705ce23 | 203 | writeReg(RF_CH, (chan&0x7f)); |
nixonkj | 8:3e027705ce23 | 204 | readReg(RF_CH, &chk); |
nixonkj | 6:77ead8abdd1c | 205 | if (chk&0x7f == chan&0x7f) { |
nixonkj | 6:77ead8abdd1c | 206 | return 0; |
nixonkj | 6:77ead8abdd1c | 207 | } else { |
nixonkj | 6:77ead8abdd1c | 208 | return 1; |
nixonkj | 6:77ead8abdd1c | 209 | } |
epgmdm | 0:8fd0531ae0be | 210 | } |
nixonkj | 6:77ead8abdd1c | 211 | |
nixonkj | 13:5cbc726f2bbb | 212 | bool NRF2401P::isRPDset() |
nixonkj | 13:5cbc726f2bbb | 213 | { |
nixonkj | 13:5cbc726f2bbb | 214 | char val=0; |
nixonkj | 13:5cbc726f2bbb | 215 | if (debug) { |
nixonkj | 13:5cbc726f2bbb | 216 | sprintf(logMsg, "Get RPD"); |
nixonkj | 13:5cbc726f2bbb | 217 | log(logMsg); |
nixonkj | 13:5cbc726f2bbb | 218 | } |
nixonkj | 13:5cbc726f2bbb | 219 | readReg(RPD, &val); |
nixonkj | 13:5cbc726f2bbb | 220 | if (val == 1) { |
nixonkj | 13:5cbc726f2bbb | 221 | return true; |
nixonkj | 13:5cbc726f2bbb | 222 | } else { |
nixonkj | 13:5cbc726f2bbb | 223 | return false; |
nixonkj | 13:5cbc726f2bbb | 224 | } |
nixonkj | 13:5cbc726f2bbb | 225 | } |
nixonkj | 13:5cbc726f2bbb | 226 | |
epgmdm | 0:8fd0531ae0be | 227 | /** |
epgmdm | 0:8fd0531ae0be | 228 | * Transmits width bytes of data. width <32 |
epgmdm | 0:8fd0531ae0be | 229 | */ |
nixonkj | 6:77ead8abdd1c | 230 | char NRF2401P::transmitData( char *data, char width ) |
epgmdm | 0:8fd0531ae0be | 231 | { |
nixonkj | 6:77ead8abdd1c | 232 | if (width>32) |
nixonkj | 6:77ead8abdd1c | 233 | return 0; |
nixonkj | 6:77ead8abdd1c | 234 | checkStatus(); |
nixonkj | 6:77ead8abdd1c | 235 | if ((status>>4)&1) { // Max retries - flush tx |
nixonkj | 6:77ead8abdd1c | 236 | flushTx(); |
nixonkj | 6:77ead8abdd1c | 237 | } |
epgmdm | 2:ca0a3c0bba70 | 238 | //clearStatus(); |
epgmdm | 2:ca0a3c0bba70 | 239 | //ce = 1; |
epgmdm | 0:8fd0531ae0be | 240 | csn = 0; |
nixonkj | 8:3e027705ce23 | 241 | char address = 0xA0; |
epgmdm | 0:8fd0531ae0be | 242 | int i; |
epgmdm | 0:8fd0531ae0be | 243 | // set up for writing |
epgmdm | 0:8fd0531ae0be | 244 | status = spi->write( address ); |
epgmdm | 0:8fd0531ae0be | 245 | for ( i = 0; i <width; i++ ) { |
epgmdm | 0:8fd0531ae0be | 246 | spi->write( data[ i ] ); |
epgmdm | 0:8fd0531ae0be | 247 | } |
epgmdm | 0:8fd0531ae0be | 248 | csn = 1; |
epgmdm | 3:afe8d307b5c3 | 249 | wait(0.001); |
epgmdm | 3:afe8d307b5c3 | 250 | if (debug) { |
nixonkj | 6:77ead8abdd1c | 251 | sprintf(logMsg, " Transmit data %d bytes to %02x (%02x) = %10s", width, address, status, data ); |
epgmdm | 3:afe8d307b5c3 | 252 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 253 | } |
epgmdm | 0:8fd0531ae0be | 254 | return status; |
epgmdm | 0:8fd0531ae0be | 255 | } |
epgmdm | 0:8fd0531ae0be | 256 | |
epgmdm | 0:8fd0531ae0be | 257 | /** |
epgmdm | 0:8fd0531ae0be | 258 | * sets acknowledge data width bytes of data. width <32 |
epgmdm | 0:8fd0531ae0be | 259 | */ |
epgmdm | 1:ff53b1ac3bad | 260 | char NRF2401P::acknowledgeData( char *data, char width, char pipe ) |
epgmdm | 0:8fd0531ae0be | 261 | { |
epgmdm | 0:8fd0531ae0be | 262 | ce = 1; |
epgmdm | 0:8fd0531ae0be | 263 | csn = 0; |
epgmdm | 2:ca0a3c0bba70 | 264 | //writeReg(0x1d,0x06); // enable payload with ack |
epgmdm | 2:ca0a3c0bba70 | 265 | char address = W_ACK_PAYLOAD | (pipe&0x07); |
epgmdm | 0:8fd0531ae0be | 266 | int i; |
epgmdm | 0:8fd0531ae0be | 267 | // set up for writing |
epgmdm | 3:afe8d307b5c3 | 268 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 269 | status = spi->write( address ); |
epgmdm | 0:8fd0531ae0be | 270 | for ( i = 0; i <width; i++ ) { |
epgmdm | 0:8fd0531ae0be | 271 | spi->write( data[ i ] ); |
epgmdm | 0:8fd0531ae0be | 272 | } |
epgmdm | 0:8fd0531ae0be | 273 | csn = 1; |
epgmdm | 3:afe8d307b5c3 | 274 | if (debug) { |
epgmdm | 3:afe8d307b5c3 | 275 | sprintf(logMsg, " acknowledge data %d bytes to %02x (%02x) = %c", width, address, status, *data ); |
epgmdm | 3:afe8d307b5c3 | 276 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 277 | } |
epgmdm | 0:8fd0531ae0be | 278 | return status; |
nixonkj | 6:77ead8abdd1c | 279 | } |
epgmdm | 0:8fd0531ae0be | 280 | |
epgmdm | 0:8fd0531ae0be | 281 | /** |
epgmdm | 0:8fd0531ae0be | 282 | * Writes 1 byte data to a register |
epgmdm | 0:8fd0531ae0be | 283 | **/ |
nixonkj | 6:77ead8abdd1c | 284 | void NRF2401P::writeReg( char address, char data ) |
epgmdm | 0:8fd0531ae0be | 285 | { |
epgmdm | 0:8fd0531ae0be | 286 | char reg; |
epgmdm | 0:8fd0531ae0be | 287 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 288 | address &= 0x1F; |
nixonkj | 8:3e027705ce23 | 289 | reg = address | W_REGISTER; |
epgmdm | 0:8fd0531ae0be | 290 | status = spi->write( reg ); |
epgmdm | 0:8fd0531ae0be | 291 | spi->write( data ); |
epgmdm | 0:8fd0531ae0be | 292 | csn = 1; |
nixonkj | 6:77ead8abdd1c | 293 | if (debug) { |
nixonkj | 6:77ead8abdd1c | 294 | sprintf(logMsg, " register write %02x (%02x) = %02x", address, status, data ); |
nixonkj | 6:77ead8abdd1c | 295 | log(logMsg); |
nixonkj | 6:77ead8abdd1c | 296 | } |
epgmdm | 0:8fd0531ae0be | 297 | } |
nixonkj | 6:77ead8abdd1c | 298 | |
epgmdm | 0:8fd0531ae0be | 299 | /** |
epgmdm | 0:8fd0531ae0be | 300 | * Writes width bytes data to a register, ls byte to ms byte /for adressess |
epgmdm | 0:8fd0531ae0be | 301 | **/ |
nixonkj | 6:77ead8abdd1c | 302 | void NRF2401P::writeReg( char address, char *data, char width ) |
epgmdm | 0:8fd0531ae0be | 303 | { |
epgmdm | 0:8fd0531ae0be | 304 | char reg; |
epgmdm | 0:8fd0531ae0be | 305 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 306 | int i; |
epgmdm | 0:8fd0531ae0be | 307 | // set up for writing |
epgmdm | 0:8fd0531ae0be | 308 | address &= 0x1F; |
nixonkj | 8:3e027705ce23 | 309 | reg = address| W_REGISTER; |
epgmdm | 0:8fd0531ae0be | 310 | status = spi->write( reg ); |
epgmdm | 0:8fd0531ae0be | 311 | for ( i = width - 1; i >= 0; i-- ) { |
epgmdm | 0:8fd0531ae0be | 312 | spi->write( data[ i ] ); |
epgmdm | 0:8fd0531ae0be | 313 | } |
epgmdm | 0:8fd0531ae0be | 314 | csn = 1; |
epgmdm | 2:ca0a3c0bba70 | 315 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 316 | sprintf(logMsg, " register write %d bytes to %02x (%02x) = %02x %02x %02x", width, address, status, data[0], data[1], data[2] ); |
epgmdm | 2:ca0a3c0bba70 | 317 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 318 | } |
epgmdm | 0:8fd0531ae0be | 319 | } |
nixonkj | 6:77ead8abdd1c | 320 | |
epgmdm | 0:8fd0531ae0be | 321 | /** |
epgmdm | 0:8fd0531ae0be | 322 | * Reads 1 byte from a register |
epgmdm | 0:8fd0531ae0be | 323 | **/ |
nixonkj | 6:77ead8abdd1c | 324 | void NRF2401P::readReg( char address, char *data ) |
epgmdm | 0:8fd0531ae0be | 325 | { |
epgmdm | 0:8fd0531ae0be | 326 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 327 | address &= 0x1F; |
epgmdm | 0:8fd0531ae0be | 328 | status = spi->write( address ); |
epgmdm | 0:8fd0531ae0be | 329 | *data = spi->write( 0x00 ); |
epgmdm | 0:8fd0531ae0be | 330 | csn = 1; |
nixonkj | 6:77ead8abdd1c | 331 | if (debug && address != 0x07) { // In debug mode: print out anything other than a status request |
nixonkj | 6:77ead8abdd1c | 332 | sprintf(logMsg, " register read %02x (%02x) = %02x", address, status, *data ); |
nixonkj | 6:77ead8abdd1c | 333 | log(logMsg); |
nixonkj | 6:77ead8abdd1c | 334 | } |
epgmdm | 0:8fd0531ae0be | 335 | } |
nixonkj | 6:77ead8abdd1c | 336 | |
epgmdm | 0:8fd0531ae0be | 337 | /** |
nixonkj | 10:8a217441c38e | 338 | * Reads n bytes from a register |
nixonkj | 10:8a217441c38e | 339 | **/ |
nixonkj | 10:8a217441c38e | 340 | void NRF2401P::readReg( char address, char *data, char width ) |
nixonkj | 10:8a217441c38e | 341 | { |
nixonkj | 10:8a217441c38e | 342 | char reg; |
nixonkj | 10:8a217441c38e | 343 | csn = 0; |
nixonkj | 10:8a217441c38e | 344 | int i; |
nixonkj | 10:8a217441c38e | 345 | // set up for writing |
nixonkj | 10:8a217441c38e | 346 | address &= 0x1F; |
nixonkj | 10:8a217441c38e | 347 | reg = address| R_REGISTER; |
nixonkj | 10:8a217441c38e | 348 | status = spi->write( reg ); |
nixonkj | 10:8a217441c38e | 349 | for ( i = width - 1; i >= 0; i-- ) { |
nixonkj | 10:8a217441c38e | 350 | data[i] = spi->write( 0x00 ); |
nixonkj | 10:8a217441c38e | 351 | } |
nixonkj | 10:8a217441c38e | 352 | csn = 1; |
nixonkj | 10:8a217441c38e | 353 | if (debug) { |
nixonkj | 10:8a217441c38e | 354 | sprintf(logMsg, " register read %d bytes from %02x (%02x) = ", width, address, status ); |
nixonkj | 10:8a217441c38e | 355 | for ( i=0; i<width; i++) |
nixonkj | 10:8a217441c38e | 356 | sprintf(logMsg, "%s %02x", logMsg, data[i]); |
nixonkj | 10:8a217441c38e | 357 | log(logMsg); |
nixonkj | 10:8a217441c38e | 358 | } |
nixonkj | 10:8a217441c38e | 359 | } |
nixonkj | 10:8a217441c38e | 360 | |
nixonkj | 10:8a217441c38e | 361 | /** |
epgmdm | 0:8fd0531ae0be | 362 | * Clears the status flags RX_DR, TX_DS, MAX_RT |
epgmdm | 0:8fd0531ae0be | 363 | */ |
nixonkj | 6:77ead8abdd1c | 364 | void NRF2401P::clearStatus() |
epgmdm | 0:8fd0531ae0be | 365 | { |
nixonkj | 8:3e027705ce23 | 366 | writeReg(STATUS, 0x70); |
epgmdm | 2:ca0a3c0bba70 | 367 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 368 | sprintf(logMsg, "Clear status (%02x)", status ); |
epgmdm | 2:ca0a3c0bba70 | 369 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 370 | } |
epgmdm | 0:8fd0531ae0be | 371 | } |
nixonkj | 6:77ead8abdd1c | 372 | |
epgmdm | 0:8fd0531ae0be | 373 | /** |
epgmdm | 0:8fd0531ae0be | 374 | * flushes TX FIFO and resets status flags |
epgmdm | 0:8fd0531ae0be | 375 | */ |
nixonkj | 6:77ead8abdd1c | 376 | void NRF2401P::flushTx() |
epgmdm | 0:8fd0531ae0be | 377 | { |
epgmdm | 0:8fd0531ae0be | 378 | csn = 0; |
epgmdm | 2:ca0a3c0bba70 | 379 | status = spi->write( FLUSH_TX ); |
epgmdm | 0:8fd0531ae0be | 380 | csn = 1; |
epgmdm | 0:8fd0531ae0be | 381 | clearStatus(); |
epgmdm | 2:ca0a3c0bba70 | 382 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 383 | sprintf(logMsg, "Flush TX FIFO (%02x)", status ); |
epgmdm | 2:ca0a3c0bba70 | 384 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 385 | } |
epgmdm | 0:8fd0531ae0be | 386 | } |
epgmdm | 0:8fd0531ae0be | 387 | |
epgmdm | 0:8fd0531ae0be | 388 | /** |
epgmdm | 0:8fd0531ae0be | 389 | * flushes RX FIFO and resets status flags |
epgmdm | 0:8fd0531ae0be | 390 | */ |
nixonkj | 6:77ead8abdd1c | 391 | void NRF2401P::flushRx() |
epgmdm | 0:8fd0531ae0be | 392 | { |
epgmdm | 0:8fd0531ae0be | 393 | csn = 0; |
epgmdm | 2:ca0a3c0bba70 | 394 | status = spi->write( FLUSH_RX ); |
epgmdm | 0:8fd0531ae0be | 395 | csn = 1; |
epgmdm | 2:ca0a3c0bba70 | 396 | clearStatus(); |
epgmdm | 2:ca0a3c0bba70 | 397 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 398 | sprintf(logMsg, "Flush RX FIFO (%02x)", status ); |
epgmdm | 2:ca0a3c0bba70 | 399 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 400 | } |
epgmdm | 0:8fd0531ae0be | 401 | } |
nixonkj | 6:77ead8abdd1c | 402 | |
epgmdm | 0:8fd0531ae0be | 403 | /** |
epgmdm | 0:8fd0531ae0be | 404 | * Sets PRIM_RX = 0; |
epgmdm | 0:8fd0531ae0be | 405 | */ |
nixonkj | 6:77ead8abdd1c | 406 | char NRF2401P::setTxMode() |
epgmdm | 0:8fd0531ae0be | 407 | { |
epgmdm | 0:8fd0531ae0be | 408 | char data; |
epgmdm | 0:8fd0531ae0be | 409 | char bit; |
epgmdm | 2:ca0a3c0bba70 | 410 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 411 | sprintf(logMsg, "Set Tx Mode"); |
epgmdm | 2:ca0a3c0bba70 | 412 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 413 | } |
nixonkj | 8:3e027705ce23 | 414 | readReg(CONFIG, &data); |
epgmdm | 0:8fd0531ae0be | 415 | data &= ~( 1 << 0 ); |
epgmdm | 2:ca0a3c0bba70 | 416 | flushTx(); |
epgmdm | 2:ca0a3c0bba70 | 417 | flushRx(); |
nixonkj | 8:3e027705ce23 | 418 | writeReg(CONFIG, data); |
nixonkj | 8:3e027705ce23 | 419 | writeReg(RX_ADDR_P0, txAdd, addressWidth); // reset p0 |
nixonkj | 8:3e027705ce23 | 420 | writeReg(EN_RXADDR, 0x01); // enable pipe 0 for reading |
epgmdm | 0:8fd0531ae0be | 421 | // check |
nixonkj | 8:3e027705ce23 | 422 | readReg(CONFIG, &data); |
epgmdm | 0:8fd0531ae0be | 423 | bit = ( data >> 0 ) & 1; |
epgmdm | 2:ca0a3c0bba70 | 424 | |
epgmdm | 0:8fd0531ae0be | 425 | ce=1; |
epgmdm | 0:8fd0531ae0be | 426 | wait(0.003); |
nixonkj | 6:77ead8abdd1c | 427 | if (bit == 0) { |
nixonkj | 6:77ead8abdd1c | 428 | return 0; |
nixonkj | 6:77ead8abdd1c | 429 | } else { |
nixonkj | 6:77ead8abdd1c | 430 | return 1; |
nixonkj | 6:77ead8abdd1c | 431 | } |
epgmdm | 0:8fd0531ae0be | 432 | } |
epgmdm | 0:8fd0531ae0be | 433 | |
epgmdm | 0:8fd0531ae0be | 434 | /** |
epgmdm | 0:8fd0531ae0be | 435 | * Sets the number of bytes of the address width = 3,4,5 |
epgmdm | 0:8fd0531ae0be | 436 | */ |
nixonkj | 6:77ead8abdd1c | 437 | char NRF2401P::setAddressWidth( char width ) |
epgmdm | 0:8fd0531ae0be | 438 | { |
nixonkj | 6:77ead8abdd1c | 439 | char chk=0; |
epgmdm | 0:8fd0531ae0be | 440 | addressWidth = width; |
epgmdm | 0:8fd0531ae0be | 441 | if ( ( width > 5 ) || ( width < 3 ) ) |
epgmdm | 0:8fd0531ae0be | 442 | return false; |
epgmdm | 0:8fd0531ae0be | 443 | width -= 2; |
nixonkj | 8:3e027705ce23 | 444 | writeReg(SETUP_AW, width); |
nixonkj | 8:3e027705ce23 | 445 | readReg(SETUP_AW, &chk); |
nixonkj | 6:77ead8abdd1c | 446 | if (chk&0x03 == width) { |
nixonkj | 6:77ead8abdd1c | 447 | return 0; |
nixonkj | 6:77ead8abdd1c | 448 | } else { |
nixonkj | 6:77ead8abdd1c | 449 | return 1; |
nixonkj | 6:77ead8abdd1c | 450 | } |
epgmdm | 0:8fd0531ae0be | 451 | } |
nixonkj | 6:77ead8abdd1c | 452 | |
epgmdm | 0:8fd0531ae0be | 453 | /** |
nixonkj | 6:77ead8abdd1c | 454 | * Sets the address, uses address width set (either 3,4 or 5) |
epgmdm | 0:8fd0531ae0be | 455 | */ |
epgmdm | 0:8fd0531ae0be | 456 | char NRF2401P::setTxAddress( char *address ) |
epgmdm | 0:8fd0531ae0be | 457 | { |
epgmdm | 2:ca0a3c0bba70 | 458 | memcpy (txAdd,address, addressWidth); |
nixonkj | 8:3e027705ce23 | 459 | writeReg(RX_ADDR_P0, address, addressWidth); |
nixonkj | 8:3e027705ce23 | 460 | writeReg(TX_ADDR, address, addressWidth); |
nixonkj | 6:77ead8abdd1c | 461 | return 0; // must fix this |
epgmdm | 0:8fd0531ae0be | 462 | } |
epgmdm | 0:8fd0531ae0be | 463 | |
epgmdm | 0:8fd0531ae0be | 464 | /** |
epgmdm | 0:8fd0531ae0be | 465 | * Sets the address, uses addess width set (either 3,4 or 5) |
epgmdm | 0:8fd0531ae0be | 466 | */ |
epgmdm | 0:8fd0531ae0be | 467 | char NRF2401P::setTxAddress( long long address ) |
epgmdm | 0:8fd0531ae0be | 468 | { |
epgmdm | 0:8fd0531ae0be | 469 | char buff[ 5 ]; |
epgmdm | 0:8fd0531ae0be | 470 | buff[ 0 ] = address & 0xff; |
epgmdm | 0:8fd0531ae0be | 471 | buff[ 1 ] = ( address >> 8 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 472 | buff[ 2 ] = ( address >> 16 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 473 | buff[ 3 ] = ( address >> 24 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 474 | buff[ 4 ] = ( address >> 32 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 475 | return setTxAddress( buff ); |
epgmdm | 0:8fd0531ae0be | 476 | } |
epgmdm | 0:8fd0531ae0be | 477 | |
epgmdm | 0:8fd0531ae0be | 478 | /** |
nixonkj | 9:c21b80aaf250 | 479 | * Sets the address, uses address width set (either 3,4 or 5) |
epgmdm | 2:ca0a3c0bba70 | 480 | * Enables pipe for receiving; |
epgmdm | 0:8fd0531ae0be | 481 | */ |
epgmdm | 0:8fd0531ae0be | 482 | char NRF2401P::setRxAddress( char *address, char pipe ) |
epgmdm | 0:8fd0531ae0be | 483 | { |
epgmdm | 2:ca0a3c0bba70 | 484 | if(debug) { |
epgmdm | 2:ca0a3c0bba70 | 485 | log ("Set Rx Address"); |
epgmdm | 2:ca0a3c0bba70 | 486 | } |
epgmdm | 2:ca0a3c0bba70 | 487 | if (pipe>5) return 0xff; |
epgmdm | 2:ca0a3c0bba70 | 488 | if (pipe ==0) { |
nixonkj | 8:3e027705ce23 | 489 | memcpy(pipe0Add,address, addressWidth); |
epgmdm | 2:ca0a3c0bba70 | 490 | } |
epgmdm | 2:ca0a3c0bba70 | 491 | |
epgmdm | 0:8fd0531ae0be | 492 | char reg = 0x0A + pipe; |
epgmdm | 0:8fd0531ae0be | 493 | switch ( pipe ) { |
epgmdm | 0:8fd0531ae0be | 494 | case ( 0 ) : |
epgmdm | 0:8fd0531ae0be | 495 | case ( 1 ) : { |
nixonkj | 8:3e027705ce23 | 496 | writeReg(reg, address, addressWidth); //Write to RX_ADDR_P0 or _P1 |
epgmdm | 0:8fd0531ae0be | 497 | break; |
epgmdm | 0:8fd0531ae0be | 498 | } |
epgmdm | 0:8fd0531ae0be | 499 | case ( 2 ) : |
epgmdm | 0:8fd0531ae0be | 500 | case ( 3 ) : |
epgmdm | 0:8fd0531ae0be | 501 | case ( 4 ) : |
epgmdm | 0:8fd0531ae0be | 502 | case ( 5 ) : { |
nixonkj | 8:3e027705ce23 | 503 | writeReg(reg, address, 1); //Write to RX_ADDR_P2 ... _P5 |
epgmdm | 0:8fd0531ae0be | 504 | break; |
epgmdm | 0:8fd0531ae0be | 505 | } |
epgmdm | 0:8fd0531ae0be | 506 | |
epgmdm | 0:8fd0531ae0be | 507 | } |
nixonkj | 8:3e027705ce23 | 508 | readReg(EN_RXADDR, ®); |
epgmdm | 2:ca0a3c0bba70 | 509 | reg |= (1<<pipe); |
nixonkj | 8:3e027705ce23 | 510 | writeReg(EN_RXADDR, reg); //Enable the pipe |
nixonkj | 6:77ead8abdd1c | 511 | return 0; // Must fix this |
epgmdm | 0:8fd0531ae0be | 512 | } |
epgmdm | 0:8fd0531ae0be | 513 | |
epgmdm | 0:8fd0531ae0be | 514 | /** |
epgmdm | 0:8fd0531ae0be | 515 | * Sets the address of pipe (<=5), uses addess width set (either 3,4 or 5) |
epgmdm | 0:8fd0531ae0be | 516 | */ |
epgmdm | 0:8fd0531ae0be | 517 | char NRF2401P::setRxAddress( long long address, char pipe ) |
epgmdm | 0:8fd0531ae0be | 518 | { |
epgmdm | 0:8fd0531ae0be | 519 | char buff[ 5 ]; |
epgmdm | 0:8fd0531ae0be | 520 | buff[ 0 ] = address & 0xff; |
epgmdm | 0:8fd0531ae0be | 521 | buff[ 1 ] = ( address >> 8 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 522 | buff[ 2 ] = ( address >> 16 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 523 | buff[ 3 ] = ( address >> 24 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 524 | buff[ 4 ] = ( address >> 32 ) & 0xFF; |
epgmdm | 0:8fd0531ae0be | 525 | return setRxAddress( buff, pipe ); |
epgmdm | 0:8fd0531ae0be | 526 | } |
nixonkj | 6:77ead8abdd1c | 527 | |
epgmdm | 1:ff53b1ac3bad | 528 | /** |
epgmdm | 1:ff53b1ac3bad | 529 | *checks the status flag |
epgmdm | 1:ff53b1ac3bad | 530 | */ |
epgmdm | 1:ff53b1ac3bad | 531 | char NRF2401P::checkStatus() |
epgmdm | 1:ff53b1ac3bad | 532 | { |
nixonkj | 8:3e027705ce23 | 533 | readReg(STATUS, &status); |
epgmdm | 1:ff53b1ac3bad | 534 | return status; |
epgmdm | 1:ff53b1ac3bad | 535 | } |
nixonkj | 6:77ead8abdd1c | 536 | |
epgmdm | 1:ff53b1ac3bad | 537 | /** |
epgmdm | 1:ff53b1ac3bad | 538 | * checks if Ack data available. |
epgmdm | 1:ff53b1ac3bad | 539 | */ |
epgmdm | 1:ff53b1ac3bad | 540 | bool NRF2401P::isAckData() |
epgmdm | 1:ff53b1ac3bad | 541 | { |
epgmdm | 1:ff53b1ac3bad | 542 | char fifo; |
nixonkj | 8:3e027705ce23 | 543 | readReg(FIFO_STATUS, &fifo); |
epgmdm | 1:ff53b1ac3bad | 544 | bool isData = !(fifo&0x01); |
epgmdm | 1:ff53b1ac3bad | 545 | return isData; |
epgmdm | 1:ff53b1ac3bad | 546 | } |
epgmdm | 0:8fd0531ae0be | 547 | |
epgmdm | 1:ff53b1ac3bad | 548 | /** |
epgmdm | 1:ff53b1ac3bad | 549 | * checks if RX data available. |
epgmdm | 1:ff53b1ac3bad | 550 | */ |
epgmdm | 0:8fd0531ae0be | 551 | bool NRF2401P::isRxData() |
epgmdm | 0:8fd0531ae0be | 552 | { |
epgmdm | 1:ff53b1ac3bad | 553 | checkStatus(); |
epgmdm | 0:8fd0531ae0be | 554 | bool isData = (status>>6)&0x01; |
epgmdm | 0:8fd0531ae0be | 555 | return isData; |
epgmdm | 0:8fd0531ae0be | 556 | } |
nixonkj | 6:77ead8abdd1c | 557 | |
epgmdm | 0:8fd0531ae0be | 558 | char NRF2401P::getRxWidth() |
epgmdm | 0:8fd0531ae0be | 559 | { |
epgmdm | 0:8fd0531ae0be | 560 | char width; |
epgmdm | 0:8fd0531ae0be | 561 | if (dynamic) { |
epgmdm | 0:8fd0531ae0be | 562 | csn = 0; |
nixonkj | 14:976a876819ae | 563 | status = spi->write( R_RX_PL_WID ); |
epgmdm | 0:8fd0531ae0be | 564 | width = spi->write(0x00); |
epgmdm | 0:8fd0531ae0be | 565 | csn = 1; |
epgmdm | 0:8fd0531ae0be | 566 | |
nixonkj | 14:976a876819ae | 567 | if (width>32) { // as per product spec |
epgmdm | 0:8fd0531ae0be | 568 | flushRx(); |
nixonkj | 14:976a876819ae | 569 | wait(0.002f); // little delay (KJN) |
epgmdm | 0:8fd0531ae0be | 570 | width=0; |
epgmdm | 0:8fd0531ae0be | 571 | } |
epgmdm | 0:8fd0531ae0be | 572 | } else { |
nixonkj | 8:3e027705ce23 | 573 | readReg(RX_PW_P1, &width); // width of p1 |
epgmdm | 0:8fd0531ae0be | 574 | } |
nixonkj | 14:976a876819ae | 575 | |
epgmdm | 0:8fd0531ae0be | 576 | return width; |
epgmdm | 0:8fd0531ae0be | 577 | } |
nixonkj | 6:77ead8abdd1c | 578 | |
epgmdm | 0:8fd0531ae0be | 579 | /** |
epgmdm | 0:8fd0531ae0be | 580 | * return message in buffer, mem for buffer must have been allocated. |
epgmdm | 0:8fd0531ae0be | 581 | * Return value is number of bytes of buffer |
epgmdm | 0:8fd0531ae0be | 582 | */ |
epgmdm | 0:8fd0531ae0be | 583 | char NRF2401P::getRxData(char * buffer) |
epgmdm | 0:8fd0531ae0be | 584 | { |
epgmdm | 0:8fd0531ae0be | 585 | char address = 0x61; |
epgmdm | 0:8fd0531ae0be | 586 | char width; |
epgmdm | 0:8fd0531ae0be | 587 | width = getRxWidth(); |
epgmdm | 0:8fd0531ae0be | 588 | bool isData = (status>>6)&0x01; |
epgmdm | 0:8fd0531ae0be | 589 | if (isData) { |
epgmdm | 0:8fd0531ae0be | 590 | csn = 0; |
epgmdm | 0:8fd0531ae0be | 591 | int i; |
epgmdm | 0:8fd0531ae0be | 592 | // set up for reading |
epgmdm | 0:8fd0531ae0be | 593 | status = spi->write( address ); |
epgmdm | 0:8fd0531ae0be | 594 | for ( i = 0; i <= width; i++ ) { |
epgmdm | 0:8fd0531ae0be | 595 | buffer[i]=spi->write(0x00 ); |
epgmdm | 0:8fd0531ae0be | 596 | } |
epgmdm | 0:8fd0531ae0be | 597 | csn = 1; |
nixonkj | 6:77ead8abdd1c | 598 | if (debug) { |
nixonkj | 6:77ead8abdd1c | 599 | sprintf(logMsg, "Receive data %d bytes", width ); |
nixonkj | 6:77ead8abdd1c | 600 | log(logMsg); |
nixonkj | 6:77ead8abdd1c | 601 | } |
epgmdm | 0:8fd0531ae0be | 602 | clearStatus(); |
epgmdm | 0:8fd0531ae0be | 603 | return width; |
epgmdm | 0:8fd0531ae0be | 604 | } else { |
nixonkj | 6:77ead8abdd1c | 605 | if (debug) { |
nixonkj | 6:77ead8abdd1c | 606 | sprintf(logMsg, "Receive NO data %d bytes", width ); |
nixonkj | 6:77ead8abdd1c | 607 | log(logMsg); |
nixonkj | 6:77ead8abdd1c | 608 | } |
epgmdm | 0:8fd0531ae0be | 609 | clearStatus(); |
epgmdm | 0:8fd0531ae0be | 610 | return 0; |
epgmdm | 0:8fd0531ae0be | 611 | } |
epgmdm | 0:8fd0531ae0be | 612 | } |
epgmdm | 0:8fd0531ae0be | 613 | |
epgmdm | 0:8fd0531ae0be | 614 | /** |
epgmdm | 0:8fd0531ae0be | 615 | * Sets all the receive pipes to dynamic payload length |
epgmdm | 0:8fd0531ae0be | 616 | */ |
epgmdm | 2:ca0a3c0bba70 | 617 | void NRF2401P::setDynamicPayload() |
epgmdm | 0:8fd0531ae0be | 618 | { |
epgmdm | 0:8fd0531ae0be | 619 | dynamic = true; |
nixonkj | 8:3e027705ce23 | 620 | writeReg(FEATURE, 0x07); // Enable Dyn payload, Payload with Ack and w_tx_noack command |
nixonkj | 8:3e027705ce23 | 621 | writeReg(EN_AA, 0x3f); // EN_AA regi for P1 and P0 |
nixonkj | 9:c21b80aaf250 | 622 | writeReg(DYNPD, 0x3F); // KJN - should be 0x3F for all pipes |
epgmdm | 0:8fd0531ae0be | 623 | } |
epgmdm | 2:ca0a3c0bba70 | 624 | |
epgmdm | 0:8fd0531ae0be | 625 | /** |
epgmdm | 0:8fd0531ae0be | 626 | * Sets PWR_UP = 1; |
nixonkj | 6:77ead8abdd1c | 627 | * return 0 on success |
epgmdm | 0:8fd0531ae0be | 628 | */ |
nixonkj | 6:77ead8abdd1c | 629 | char NRF2401P::setPwrUp() |
epgmdm | 0:8fd0531ae0be | 630 | { |
epgmdm | 0:8fd0531ae0be | 631 | char data; |
epgmdm | 0:8fd0531ae0be | 632 | char bit; |
epgmdm | 0:8fd0531ae0be | 633 | ce=1; |
nixonkj | 8:3e027705ce23 | 634 | readReg(CONFIG, &data); |
epgmdm | 2:ca0a3c0bba70 | 635 | if ((data>>1) &0x01) { |
epgmdm | 2:ca0a3c0bba70 | 636 | return true; // Already powered up |
epgmdm | 2:ca0a3c0bba70 | 637 | }; |
nixonkj | 8:3e027705ce23 | 638 | data |= (0x02); |
nixonkj | 8:3e027705ce23 | 639 | writeReg(CONFIG, data); |
epgmdm | 0:8fd0531ae0be | 640 | // check |
nixonkj | 8:3e027705ce23 | 641 | readReg(CONFIG, &data); |
epgmdm | 0:8fd0531ae0be | 642 | bit = ( data >> 1 ) & 1; |
epgmdm | 2:ca0a3c0bba70 | 643 | |
epgmdm | 0:8fd0531ae0be | 644 | wait(0.005); // wait 5ms |
epgmdm | 2:ca0a3c0bba70 | 645 | if(debug) { |
epgmdm | 2:ca0a3c0bba70 | 646 | sprintf(logMsg, "Set PWR_UP to %x", bit); |
epgmdm | 2:ca0a3c0bba70 | 647 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 648 | } |
nixonkj | 6:77ead8abdd1c | 649 | if (bit == 1) { |
nixonkj | 6:77ead8abdd1c | 650 | return 0; |
nixonkj | 6:77ead8abdd1c | 651 | } else { |
nixonkj | 6:77ead8abdd1c | 652 | return 1; |
nixonkj | 6:77ead8abdd1c | 653 | } |
nixonkj | 6:77ead8abdd1c | 654 | } |
epgmdm | 2:ca0a3c0bba70 | 655 | |
epgmdm | 0:8fd0531ae0be | 656 | /** |
epgmdm | 0:8fd0531ae0be | 657 | * Sets PRIM_RX = 0; |
epgmdm | 0:8fd0531ae0be | 658 | */ |
nixonkj | 6:77ead8abdd1c | 659 | char NRF2401P::setRxMode() |
epgmdm | 0:8fd0531ae0be | 660 | { |
epgmdm | 0:8fd0531ae0be | 661 | char data; |
epgmdm | 0:8fd0531ae0be | 662 | char bit; |
epgmdm | 0:8fd0531ae0be | 663 | ce=1; |
nixonkj | 8:3e027705ce23 | 664 | readReg(CONFIG, &data); |
nixonkj | 8:3e027705ce23 | 665 | data |= (0x01); |
epgmdm | 2:ca0a3c0bba70 | 666 | |
nixonkj | 8:3e027705ce23 | 667 | writeReg(CONFIG, data); |
epgmdm | 3:afe8d307b5c3 | 668 | if (pipe0Add[0]|pipe0Add[1]|pipe0Add[2]|pipe0Add[3]|pipe0Add[4] >0) { |
epgmdm | 3:afe8d307b5c3 | 669 | setRxAddress(pipe0Add,0); |
epgmdm | 2:ca0a3c0bba70 | 670 | } |
epgmdm | 0:8fd0531ae0be | 671 | // check |
nixonkj | 8:3e027705ce23 | 672 | readReg(CONFIG, &data); |
epgmdm | 0:8fd0531ae0be | 673 | bit = ( data >> 0 ) & 1; |
epgmdm | 2:ca0a3c0bba70 | 674 | |
epgmdm | 2:ca0a3c0bba70 | 675 | wait (0.001); |
epgmdm | 0:8fd0531ae0be | 676 | flushRx(); |
epgmdm | 2:ca0a3c0bba70 | 677 | flushTx(); |
epgmdm | 2:ca0a3c0bba70 | 678 | if (debug) { |
epgmdm | 2:ca0a3c0bba70 | 679 | sprintf(logMsg, " set PRIM_RX to %x", bit); |
epgmdm | 2:ca0a3c0bba70 | 680 | log(logMsg); |
epgmdm | 2:ca0a3c0bba70 | 681 | } |
nixonkj | 6:77ead8abdd1c | 682 | if ( bit == 1 ) { |
nixonkj | 6:77ead8abdd1c | 683 | return 0; |
nixonkj | 6:77ead8abdd1c | 684 | } else { |
nixonkj | 6:77ead8abdd1c | 685 | return 1; |
nixonkj | 6:77ead8abdd1c | 686 | } |
epgmdm | 0:8fd0531ae0be | 687 | } |
nixonkj | 6:77ead8abdd1c | 688 | |
epgmdm | 0:8fd0531ae0be | 689 | /** |
epgmdm | 0:8fd0531ae0be | 690 | * Prints status string |
epgmdm | 0:8fd0531ae0be | 691 | */ |
epgmdm | 0:8fd0531ae0be | 692 | char * NRF2401P::statusString() |
epgmdm | 0:8fd0531ae0be | 693 | { |
epgmdm | 0:8fd0531ae0be | 694 | char *msg; |
epgmdm | 0:8fd0531ae0be | 695 | msg = statusS; |
epgmdm | 0:8fd0531ae0be | 696 | if (((status>>1) & 0x07)==0x07) { |
epgmdm | 0:8fd0531ae0be | 697 | sprintf(msg,"RX empty"); |
epgmdm | 0:8fd0531ae0be | 698 | } else { |
epgmdm | 0:8fd0531ae0be | 699 | sprintf(msg,"pipe %02x",(status>>1) & 0x07); |
epgmdm | 0:8fd0531ae0be | 700 | } |
epgmdm | 0:8fd0531ae0be | 701 | |
epgmdm | 0:8fd0531ae0be | 702 | if ((status>>6)&0x01) strcat(msg," RX_DR,"); |
epgmdm | 0:8fd0531ae0be | 703 | if ((status>>5)&0x01) strcat(msg," TX_DS,"); |
epgmdm | 0:8fd0531ae0be | 704 | if ((status>>4)&0x01) strcat(msg," MAX_RT,"); |
epgmdm | 0:8fd0531ae0be | 705 | if ((status>>0)&0x01) strcat(msg," TX_FLL,"); |
epgmdm | 0:8fd0531ae0be | 706 | |
epgmdm | 0:8fd0531ae0be | 707 | return msg; |
nixonkj | 9:c21b80aaf250 | 708 | } |
nixonkj | 9:c21b80aaf250 | 709 | |
nixonkj | 11:07f76589f00a | 710 | void NRF2401P::printReg(char* name, char address, bool newline) |
nixonkj | 9:c21b80aaf250 | 711 | { |
nixonkj | 9:c21b80aaf250 | 712 | char data; |
nixonkj | 11:07f76589f00a | 713 | readReg(address, &data); |
nixonkj | 11:07f76589f00a | 714 | printf("%s = 0x%02x", name, data); |
nixonkj | 11:07f76589f00a | 715 | if (newline) { |
nixonkj | 11:07f76589f00a | 716 | printf("\r\n"); |
nixonkj | 11:07f76589f00a | 717 | } |
nixonkj | 11:07f76589f00a | 718 | } |
nixonkj | 11:07f76589f00a | 719 | |
nixonkj | 11:07f76589f00a | 720 | void NRF2401P::printReg(char* name, char address, char width, bool newline) |
nixonkj | 11:07f76589f00a | 721 | { |
nixonkj | 11:07f76589f00a | 722 | char data[width]; |
nixonkj | 11:07f76589f00a | 723 | readReg(address, data, width); |
nixonkj | 11:07f76589f00a | 724 | printf("%s = 0x", name); |
nixonkj | 11:07f76589f00a | 725 | for (int i=width-1; i>=0; i--) { |
nixonkj | 11:07f76589f00a | 726 | printf("%02x", data[i]); |
nixonkj | 11:07f76589f00a | 727 | } |
nixonkj | 11:07f76589f00a | 728 | if (newline) { |
nixonkj | 11:07f76589f00a | 729 | printf("\r\n"); |
nixonkj | 11:07f76589f00a | 730 | } |
nixonkj | 11:07f76589f00a | 731 | } |
nixonkj | 11:07f76589f00a | 732 | |
nixonkj | 11:07f76589f00a | 733 | void NRF2401P::printDetails() { |
nixonkj | 14:976a876819ae | 734 | status = checkStatus(); |
nixonkj | 11:07f76589f00a | 735 | printf("STATUS = 0x%02x RX_DR=%x TX_DS=%x MAX_RT=%x RX_P_NO=%x TX_FULL=%x\r\n", status, |
nixonkj | 9:c21b80aaf250 | 736 | (status & (1<<MASK_RX_DR))?1:0, |
nixonkj | 9:c21b80aaf250 | 737 | (status & (1<<MASK_TX_DS))?1:0, |
nixonkj | 9:c21b80aaf250 | 738 | (status & (1<<MASK_MAX_RT))?1:0, |
nixonkj | 9:c21b80aaf250 | 739 | (status >> RX_P_NO) & 7, |
nixonkj | 9:c21b80aaf250 | 740 | (status & (1<<TX_FULL))?1:0 ); |
nixonkj | 9:c21b80aaf250 | 741 | |
nixonkj | 11:07f76589f00a | 742 | printReg("RX_ADDR_P0", RX_ADDR_P0, addressWidth); |
nixonkj | 11:07f76589f00a | 743 | printReg("RX_ADDR_P1", RX_ADDR_P1, addressWidth); |
nixonkj | 11:07f76589f00a | 744 | printReg("RX_ADDR_P2", RX_ADDR_P2, addressWidth); |
nixonkj | 11:07f76589f00a | 745 | printReg("RX_ADDR_P3", RX_ADDR_P3, addressWidth); |
nixonkj | 11:07f76589f00a | 746 | printReg("RX_ADDR_P4", RX_ADDR_P4, addressWidth); |
nixonkj | 11:07f76589f00a | 747 | printReg("RX_ADDR_P5", RX_ADDR_P5, addressWidth); |
nixonkj | 11:07f76589f00a | 748 | printReg("TX_ADDR", TX_ADDR, addressWidth); |
nixonkj | 10:8a217441c38e | 749 | |
nixonkj | 11:07f76589f00a | 750 | printReg("RX_PW_P0", RX_PW_P0, false); // false for no newline, save some space |
nixonkj | 11:07f76589f00a | 751 | printReg(" RX_PW_P1", RX_PW_P1, false); |
nixonkj | 11:07f76589f00a | 752 | printReg(" RX_PW_P2", RX_PW_P2); |
nixonkj | 11:07f76589f00a | 753 | printReg("RX_PW_P3", RX_PW_P3, false); |
nixonkj | 11:07f76589f00a | 754 | printReg(" RX_PW_P4", RX_PW_P4, false); |
nixonkj | 11:07f76589f00a | 755 | printReg(" RX_PW_P5", RX_PW_P5); |
nixonkj | 11:07f76589f00a | 756 | |
nixonkj | 11:07f76589f00a | 757 | printReg("EN_AA", EN_AA); |
nixonkj | 11:07f76589f00a | 758 | printReg("EN_RXADDR", EN_RXADDR); |
nixonkj | 11:07f76589f00a | 759 | printReg("RF_CH", RF_CH); |
nixonkj | 11:07f76589f00a | 760 | printReg("RF_SETUP", RF_SETUP); |
nixonkj | 12:ea1345de6478 | 761 | printReg("CONFIG", CONFIG); |
nixonkj | 11:07f76589f00a | 762 | printReg("DYNPD", DYNPD); |
nixonkj | 11:07f76589f00a | 763 | printReg("FEATURE", FEATURE); |
epgmdm | 0:8fd0531ae0be | 764 | } |