mirror of
https://github.com/pascallanger/DIY-Multiprotocol-TX-Module.git
synced 2025-02-04 17:48:11 +00:00
4a626eaf14
Loads of protocols have been touched by this change. Some testing has been done but please test on all your models. The XN297 emulation selects in this order: - the CC2500 if it is available and bitrate=250K. Configure the option field automatically for RF tune. - the NRF for all bitrates if it is available - if NRF is not available and bitrate=1M then an invalid protocol is sent automatically to the radio. CC2500 @250K can now receive normal and enhanced payloads. OMP protocol supports telemetry on CC2500 and is also for NRF only modules including telemetry. Separation of E016H (new protocol) from E01X due to different structure. MJXQ, MT99XX, Q303 and XK: some sub protocols available on CC2500 only.
120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
/*
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This project is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Multiprotocol is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Multiprotocol. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if defined(CC2500_INSTALLED) || defined(NRF24L01_INSTALLED)
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#include "iface_nrf250k.h"
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uint8_t cc2500_nrf_tx_addr[5], cc2500_nrf_addr_len;
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static void __attribute__((unused)) NRF250K_SetTXAddr(uint8_t* addr, uint8_t len)
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{
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if (len > 5) len = 5;
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if (len < 3) len = 3;
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#if defined(CC2500_INSTALLED)
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cc2500_nrf_addr_len = len;
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memcpy(cc2500_nrf_tx_addr, addr, len);
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#elif defined(NRF24L01_INSTALLED)
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NRF24L01_WriteReg(NRF24L01_03_SETUP_AW, len-2);
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NRF24L01_WriteRegisterMulti(NRF24L01_10_TX_ADDR, addr, len);
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#endif
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}
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static void __attribute__((unused)) NRF250K_WritePayload(uint8_t* msg, uint8_t len)
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{
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#if defined(CC2500_INSTALLED)
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#if defined(ESKY150V2_CC2500_INO)
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uint8_t buf[158];
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#else
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uint8_t buf[35];
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#endif
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uint8_t last = 0;
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uint8_t i;
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//nrf preamble
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if(cc2500_nrf_tx_addr[cc2500_nrf_addr_len - 1] & 0x80)
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buf[0]=0xAA;
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else
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buf[0]=0x55;
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last++;
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// address
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for (i = 0; i < cc2500_nrf_addr_len; ++i)
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buf[last++] = cc2500_nrf_tx_addr[cc2500_nrf_addr_len - i - 1];
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// payload
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for (i = 0; i < len; ++i)
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buf[last++] = msg[i];
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// crc
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crc = 0xffff;
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for (uint8_t i = 1; i < last; ++i)
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crc16_update( buf[i], 8);
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buf[last++] = crc >> 8;
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buf[last++] = crc & 0xff;
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buf[last++] = 0;
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//for(uint8_t i=0;i<last;i++)
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// debug("%02X ",buf[i]);
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//debugln("");
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// stop TX/RX
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CC2500_Strobe(CC2500_SIDLE);
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// flush tx FIFO
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CC2500_Strobe(CC2500_SFTX);
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// packet length
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CC2500_WriteReg(CC2500_3F_TXFIFO, last);
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// transmit nrf packet
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uint8_t *buff=buf;
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uint8_t status;
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if(last>63)
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{
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CC2500_WriteRegisterMulti(CC2500_3F_TXFIFO, buff, 63);
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CC2500_Strobe(CC2500_STX);
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last-=63;
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buff+=63;
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while(last)
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{//Loop until all the data is sent
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do
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{// Wait for the FIFO to become available
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status=CC2500_ReadReg(CC2500_3A_TXBYTES | CC2500_READ_BURST);
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}
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while((status&0x7F)>31 && (status&0x80)==0);
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if(last>31)
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{//Send 31 bytes
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CC2500_WriteRegisterMulti(CC2500_3F_TXFIFO, buff, 31);
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last-=31;
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buff+=31;
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}
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else
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{//Send last bytes
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CC2500_WriteRegisterMulti(CC2500_3F_TXFIFO, buff, last);
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last=0;
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}
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}
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}
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else
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{//Send packet
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CC2500_WriteRegisterMulti(CC2500_3F_TXFIFO, buff, last);
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CC2500_Strobe(CC2500_STX);
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}
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#elif defined(NRF24L01_INSTALLED)
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if(len<=32)
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{
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NRF24L01_FlushTx();
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NRF24L01_WriteReg(NRF24L01_07_STATUS, _BV(NRF24L01_07_TX_DS) | _BV(NRF24L01_07_RX_DR) | _BV(NRF24L01_07_MAX_RT));
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NRF24L01_WritePayload(msg, len);
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}
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#endif
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}
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#endif
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