/* xdrv_33_nrf24l01.ino - nrf24l01 support for Tasmota Copyright (C) 2020 Christian Baars and Theo Arends This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . -------------------------------------------------------------------------------------------- Version yyyymmdd Action Description -------------------------------------------------------------------------------------------- 0.9.0.1 20200624 changes - removed unused legacy code --- 0.9.0.0 20191127 started - further development by Christian Baars forked - from arendst/tasmota - https://github.com/arendst/Tasmota */ #ifdef USE_SPI #ifdef USE_NRF24 /*********************************************************************************************\ * NRF24l01(+) * * Usage: 5 SPI-data-wires plus VVC/ground, use hardware SPI, select GPIO_SPI_CS/GPIO_SPI_DC \*********************************************************************************************/ #define XDRV_33 33 #include const char NRF24type[] PROGMEM = "NRF24"; struct { uint8_t chipType = 0; // NRF24l01 active: 32 - NRF24L01 , 43- NRF24L01+ ... we mis-use ascii-codes } NRF24; /********************************************************************************************/ RF24 NRF24radio; bool NRF24initRadio() { NRF24radio.begin(Pin(GPIO_SPI_CS),Pin(GPIO_SPI_DC)); NRF24radio.powerUp(); if(NRF24radio.isChipConnected()){ DEBUG_DRIVER_LOG(PSTR("NRF24 chip connected")); return true; } DEBUG_DRIVER_LOG(PSTR("NRF24 chip NOT !!!! connected")); return false; } bool NRF24Detect(void) { if (PinUsed(GPIO_SPI_CS) && PinUsed(GPIO_SPI_DC)) { if(NRF24initRadio()){ NRF24.chipType = 32; // SPACE AddLog_P2(LOG_LEVEL_INFO,PSTR("NRF24L01 initialized")); if(NRF24radio.isPVariant()){ NRF24.chipType = 43; // + AddLog_P2(LOG_LEVEL_INFO,PSTR("NRF24L01+ detected")); } return true; } } return false; } /*********************************************************************************************\ * Interface \*********************************************************************************************/ bool Xdrv33(uint8_t function) { bool result = false; if (FUNC_INIT == function) { result = NRF24Detect(); } return result; } #endif // USE_NRF24 #endif // USE_SPI