rmt_item_types.hpp

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/*
 * SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
 *
 * SPDX-License-Identifier: MIT
 */
#ifndef M5_UNIT_RF433_RNT_ITEM_TYPES_HPP
#define M5_UNIT_RF433_RNT_ITEM_TYPES_HPP
 
#include <M5UnitComponent.hpp>
 
namespace m5 {
namespace unit {
namespace rf433 {
 
constexpr m5::unit::gpio::m5_rmt_item_t rmt_item_one{{800, 1, 200, 0}};   // 1
constexpr m5::unit::gpio::m5_rmt_item_t rmt_item_zero{{200, 1, 800, 0}};  // 0
constexpr m5::unit::gpio::m5_rmt_item_t rmt_sof_0{{4868, 1, 2469, 0}};    // Frame start 0
constexpr m5::unit::gpio::m5_rmt_item_t rmt_sof_1{{1647, 1, 315, 0}};     // Frame start 1
constexpr m5::unit::gpio::m5_rmt_item_t rmt_preamble{{500, 1, 500, 0}};   // preamble
 
using container_type             = std::vector<uint8_t>;              
using item_container_type        = std::vector<gpio::m5_rmt_item_t>;  
using communication_identifier_t = uint32_t;                          
 
using Protocol = uint8_t;                            
constexpr Protocol ProtocolIncludeSendCount{0x01};   
constexpr Protocol ProtocolIncludeIdentifier{0x02};  
 
item_container_type encodeManchester(const uint8_t* data, const uint32_t len, const bool MSB = true);
 
uint16_t decodeManchester(uint8_t* buf, const uint16_t buf_size, const m5::unit::gpio::m5_rmt_item_t* data,
                          const uint32_t num, const bool MSB = true);
 
}  // namespace rf433
}  // namespace unit
}  // namespace m5
#endif