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https://github.com/jomjol/AI-on-the-edge-device.git
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69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/********************************************************************************
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* https://github.com/RoboticsBrno/SmartLeds
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*
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* MIT License
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*
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* Copyright (c) 2017 RoboticsBrno (RobotikaBrno)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*******************************************************************************/
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#pragma once
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#include "RmtDriver.h"
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#if !SMARTLEDS_NEW_RMT_DRIVER
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#include "Color.h"
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#include <driver/rmt.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/semphr.h>
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namespace detail {
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constexpr const int CHANNEL_COUNT = RMT_CHANNEL_MAX;
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class RmtDriver {
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public:
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RmtDriver(const LedType& timing, int count, int pin, int channel_num, SemaphoreHandle_t finishedFlag);
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RmtDriver(const RmtDriver&) = delete;
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esp_err_t init();
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esp_err_t registerIsr(bool isFirstRegisteredChannel);
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esp_err_t unregisterIsr();
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esp_err_t transmit(const Rgb* buffer);
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private:
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static void IRAM_ATTR txEndCallback(rmt_channel_t channel, void* arg);
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static void IRAM_ATTR translateSample(const void* src, rmt_item32_t* dest, size_t src_size,
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size_t wanted_rmt_items_num, size_t* out_consumed_src_bytes, size_t* out_used_rmt_items);
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const LedType& _timing;
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int _count;
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gpio_num_t _pin;
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SemaphoreHandle_t _finishedFlag;
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rmt_channel_t _channel;
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rmt_item32_t _bitToRmt[2];
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size_t _translatorSourceOffset;
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};
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};
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#endif // !SMARTLEDS_NEW_RMT_DRIVER
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