esphome/brmesh
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

initial commit

Browse source
This commit is contained in:
Dennis George 2025-02-07 21:37:53 -06:00
commit 4417c77875
18 changed files with 3522 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

34
components/fastcon/utils.h Normal file
View file

@ -0,0 +1,34 @@
#pragma once
#include <cstdint>
#include <vector>
namespace esphome
{
namespace fastcon
{
// Bit manipulation utilities
uint8_t reverse_8(uint8_t d);
uint16_t reverse_16(uint16_t d);
// CRC calculation
uint16_t crc16(const std::vector<uint8_t> &addr, const std::vector<uint8_t> &data);
// Whitening context and functions
struct WhiteningContext
{
uint32_t f_0x0;
uint32_t f_0x4;
uint32_t f_0x8;
uint32_t f_0xc;
uint32_t f_0x10;
uint32_t f_0x14;
uint32_t f_0x18;
WhiteningContext() : f_0x0(0), f_0x4(0), f_0x8(0), f_0xc(0), f_0x10(0), f_0x14(0), f_0x18(0) {}
};
void whitening_init(uint32_t val, WhiteningContext &ctx);
void whitening_encode(std::vector<uint8_t> &data, WhiteningContext &ctx);
} // namespace fastcon
} // namespace esphome