mirror of https://github.com/arendst/Tasmota.git
99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
/*
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xdrv_33_nrf24l01.ino - nrf24l01 support for Tasmota
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Copyright (C) 2021 Christian Baars and Theo Arends
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This program 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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This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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--------------------------------------------------------------------------------------------
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Version yyyymmdd Action Description
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--------------------------------------------------------------------------------------------
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0.9.0.1 20200624 changes - removed unused legacy code
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---
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0.9.0.0 20191127 started - further development by Christian Baars
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forked - from arendst/tasmota - https://github.com/arendst/Tasmota
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*/
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#ifdef USE_SPI
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#ifdef USE_NRF24
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/*********************************************************************************************\
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* NRF24l01(+)
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*
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* Usage: 5 SPI-data-wires plus VVC/ground, use hardware SPI, select GPIO_NRF24_CS/GPIO_NRF24_DC
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\*********************************************************************************************/
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#define XDRV_33 33
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#include <RF24.h>
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const char NRF24type[] PROGMEM = "NRF24";
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struct {
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uint8_t chipType = 0; // NRF24l01 active: 32 - NRF24L01 , 43- NRF24L01+ ... we mis-use ascii-codes
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} NRF24;
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/********************************************************************************************/
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RF24 NRF24radio;
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bool NRF24initRadio() {
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NRF24radio.begin(Pin(GPIO_NRF24_CS), Pin(GPIO_NRF24_DC));
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NRF24radio.powerUp();
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if (NRF24radio.isChipConnected()) {
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DEBUG_DRIVER_LOG(PSTR("NRF: Chip connected"));
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return true;
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}
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DEBUG_DRIVER_LOG(PSTR("NRF: Chip NOT !!!! connected"));
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return false;
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}
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void NRF24Detect(void) {
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if (PinUsed(GPIO_NRF24_CS) && PinUsed(GPIO_NRF24_DC) && TasmotaGlobal.spi_enabled) {
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if (NRF24initRadio()) {
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NRF24.chipType = 32; // SPACE
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AddLog(LOG_LEVEL_INFO, PSTR("NRF: Model 24L01 initialized"));
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if (NRF24radio.isPVariant()) {
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NRF24.chipType = 43; // +
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AddLog(LOG_LEVEL_INFO, PSTR("NRF: Model 24L01+ detected"));
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}
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}
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}
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xdrv33(uint32_t function) {
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bool result = false;
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if (FUNC_INIT == function) {
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NRF24Detect();
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} else if (NRF24.chipType) {
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if (FUNC_ACTIVE == function) {
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result = true;
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}
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}
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return result;
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}
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#endif // USE_NRF24
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#endif // USE_SPI
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