Files
Tasmota/lib/lib_basic/TasmotaLED/src/TasmotaLEDPusher.cpp
s-hadinger db0287e566 Replace NeoPixelBus with TasmotaLED on ESP32x (#22556)
* Replace NeoPixelBus with TasmotaLED on ESP32x

* update changelog
2024-11-27 22:11:57 +01:00

98 lines
3.1 KiB
C++

/*
TasmotaLEDPusher.cpp - Implementation to push Leds via hardware acceleration
Copyright (C) 2024 Stephan Hadinger
This library 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 <http://www.gnu.org/licenses/>.
*/
#ifdef ESP32
#include "TasmotaLEDPusher.h"
#include "TasmotaLED.h"
//**************************************************************************************************************
// enable AddLog support within a C++ library
extern void AddLog(uint32_t loglevel, PGM_P formatP, ...);
enum LoggingLevels {LOG_LEVEL_NONE, LOG_LEVEL_ERROR, LOG_LEVEL_INFO, LOG_LEVEL_DEBUG, LOG_LEVEL_DEBUG_MORE};
//**************************************************************************************************************
// convert to the appropriate hardware acceleration based on capacities of the SOC
uint32_t TasmotaLEDPusher::ResolveHardware(uint32_t hw) {
uint32_t hw_orig = hw;
// Step 1. discard any unsupported hardware, and replace with TasmotaLed_HW_Default
uint32_t hw_type = hw & 0xFF0000; // discard bits 0..15
#if !TASMOTALED_HARDWARE_RMT
if (hw_type == TasmotaLed_RMT) {
hw = TasmotaLed_HW_None;
}
#endif // TASMOTALED_HARDWARE_RMT
#if !TASMOTALED_HARDWARE_SPI
if (hw_type == TasmotaLed_SPI) {
hw = TasmotaLed_HW_None;
}
#endif // TASMOTALED_HARDWARE_SPI
#if !TASMOTALED_HARDWARE_I2S
if (hw_type == TasmotaLed_I2S) {
hw = TasmotaLed_HW_None;
}
#endif // TASMOTALED_HARDWARE_I2S
// Step 2. If TasmotaLed_HW_Default, find a suitable scheme, RMT preferred
#if TASMOTALED_HARDWARE_RMT
if ((hw & 0xFF0000) == TasmotaLed_HW_Default) {
hw = TasmotaLed_RMT;
}
#endif // TASMOTALED_HARDWARE_RMT
#if TASMOTALED_HARDWARE_I2S
if ((hw & 0xFF0000) == TasmotaLed_HW_Default) {
hw = TasmotaLed_I2S;
}
#endif // TASMOTALED_HARDWARE_I2S
#if TASMOTALED_HARDWARE_SPI
if ((hw & 0xFF0000) == TasmotaLed_HW_Default) {
hw = TasmotaLed_SPI;
}
#endif // TASMOTALED_HARDWARE_SPI
return hw;
}
TasmotaLEDPusher * TasmotaLEDPusher::Create(uint32_t hw, int8_t gpio) {
TasmotaLEDPusher * pusher = nullptr;
hw = TasmotaLEDPusher::ResolveHardware(hw);
switch (hw & 0XFF0000) {
#if TASMOTALED_HARDWARE_RMT
case TasmotaLed_RMT:
pusher = new TasmotaLEDPusherRMT(gpio);
AddLog(LOG_LEVEL_DEBUG, "LED: RMT gpio %i", gpio);
break;
#endif // TASMOTALED_HARDWARE_RMT
#if TASMOTALED_HARDWARE_SPI
case TasmotaLed_SPI:
pusher = new TasmotaLEDPusherSPI(gpio);
AddLog(LOG_LEVEL_DEBUG, "LED: SPI gpio %i", gpio);
break;
#endif // TASMOTALED_HARDWARE_SPI
default:
break;
}
return pusher;
}
#endif // ESP32