不韋 呂 / UIT_WS2812B

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Dependents:   Demo_WS2812B_SPI

ws2812B.hpp@0:160ed7a225a4, 2016-09-24 (annotated)

Committer:
MikamiUitOpen
Date:
Sat Sep 24 05:52:29 2016 +0000
Revision:
0:160ed7a225a4
Child:
1:2d0f84d78ca2
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:160ed7a225a4 1 //----------------------------------------------------
MikamiUitOpen 0:160ed7a225a4 2 // SPI を使って WS2812B を点灯するためのクラス（ヘッダ）
MikamiUitOpen 0:160ed7a225a4 3 // サポートしているボード
MikamiUitOpen 0:160ed7a225a4 4 // Nucleo-F401RE, Nucleo-F446RE
MikamiUitOpen 0:160ed7a225a4 5 // 2016/09/24, Copyright (c) 2016 MIKAMI, Naoki
MikamiUitOpen 0:160ed7a225a4 6 //----------------------------------------------------
MikamiUitOpen 0:160ed7a225a4 7
MikamiUitOpen 0:160ed7a225a4 8 #include "mbed.h"
MikamiUitOpen 0:160ed7a225a4 9
MikamiUitOpen 0:160ed7a225a4 10 #if !defined(STM32F401xE) && !defined(STM32F446xx)
MikamiUitOpen 0:160ed7a225a4 11 #error Select STM32F401 or STM32F446.
MikamiUitOpen 0:160ed7a225a4 12 #endif
MikamiUitOpen 0:160ed7a225a4 13
MikamiUitOpen 0:160ed7a225a4 14 #ifndef STM32F4xx_WS2812B_HPP
MikamiUitOpen 0:160ed7a225a4 15 #define STM32F4xx_WS2812B_HPP
MikamiUitOpen 0:160ed7a225a4 16
MikamiUitOpen 0:160ed7a225a4 17 namespace Mikami
MikamiUitOpen 0:160ed7a225a4 18 {
MikamiUitOpen 0:160ed7a225a4 19 class WS2812B
MikamiUitOpen 0:160ed7a225a4 20 {
MikamiUitOpen 0:160ed7a225a4 21 public:
MikamiUitOpen 0:160ed7a225a4 22 // コンストラクタ
MikamiUitOpen 0:160ed7a225a4 23 // inv = true: インバータを介して WS2812B に接続する場合
MikamiUitOpen 0:160ed7a225a4 24 // = false: 直接 WS2812B に接続する場合
MikamiUitOpen 0:160ed7a225a4 25 WS2812B(PinName pin, bool inv = false);
MikamiUitOpen 0:160ed7a225a4 26
MikamiUitOpen 0:160ed7a225a4 27 void Write(uint32_t x); // 一つの LED へ書き込む
MikamiUitOpen 0:160ed7a225a4 28 void Reset(); // 一連の書き込みの最後に実行する
MikamiUitOpen 0:160ed7a225a4 29 void Clear(int k); // k 個の LED を消灯
MikamiUitOpen 0:160ed7a225a4 30
MikamiUitOpen 0:160ed7a225a4 31 private:
MikamiUitOpen 0:160ed7a225a4 32 SPI_TypeDef *mySpi_;
MikamiUitOpen 0:160ed7a225a4 33
MikamiUitOpen 0:160ed7a225a4 34 struct spi123{PinName pin; SPI_TypeDef *spi; };
MikamiUitOpen 0:160ed7a225a4 35 #ifdef STM32F401xE
MikamiUitOpen 0:160ed7a225a4 36 static const spi123 f401[];
MikamiUitOpen 0:160ed7a225a4 37 #else
MikamiUitOpen 0:160ed7a225a4 38 static const spi123 f446[];
MikamiUitOpen 0:160ed7a225a4 39 #endif // STM32F401xE
MikamiUitOpen 0:160ed7a225a4 40
MikamiUitOpen 0:160ed7a225a4 41 void (WS2812B::*fp)(uint8_t);
MikamiUitOpen 0:160ed7a225a4 42 void SendByte(uint8_t x) { (this->*fp)(x); }
MikamiUitOpen 0:160ed7a225a4 43 void Send3Bytes(uint8_t x0, uint8_t x1, uint8_t x2);
MikamiUitOpen 0:160ed7a225a4 44 void T0HL() { Send3Bytes(0xFE, 0x00, 0x00); } // 0 を送る
MikamiUitOpen 0:160ed7a225a4 45 void T1HL() { Send3Bytes(0xFF, 0xFF, 0x00); } // 1 を送る
MikamiUitOpen 0:160ed7a225a4 46 void Dummy() { SendByte(0x00); }
MikamiUitOpen 0:160ed7a225a4 47 void SendByteNrm(uint8_t x); // データをそのまま送る
MikamiUitOpen 0:160ed7a225a4 48 void SendByteInv(uint8_t x); // データを反転して送る
MikamiUitOpen 0:160ed7a225a4 49 };
MikamiUitOpen 0:160ed7a225a4 50 }
MikamiUitOpen 0:160ed7a225a4 51 #endif // STM32F4xx_WS2812B_HPP