TLIGHT_PRODUCTS / WS281X

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

WS281X.h@46:2374900f8845, 2016-12-20 (annotated)

Committer:
mutech
Date:
Tue Dec 20 03:22:01 2016 +0000
Revision:
46:2374900f8845
Parent:
32:64c391617f6c 
WS2811/WS2812 support Library;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mutech 24:f93a61e727a3 1 /* WS281X.h (for LPC82X/STM32F0x/STM32F446/STM32F746xx)
mutech 0:dff187a80020 2 * mbed Microcontroller Library
mutech 46:2374900f8845 3 * Copyright (c) 2016 muetch, t.kuroki
mutech 46:2374900f8845 4 * Allrights reserved.
mutech 27:bc79f444883b 5 *
mutech 27:bc79f444883b 6 * Rev 0.97 2016-09-07
mutech 28:b452e097da53 7 * Rev 0.98 2016-09-08
mutech 0:dff187a80020 8 */
mutech 0:dff187a80020 9
mutech 0:dff187a80020 10 #pragma once
mutech 0:dff187a80020 11
mutech 0:dff187a80020 12 #ifndef WS281X_H
mutech 0:dff187a80020 13 #define WS281X_H
mutech 0:dff187a80020 14
mutech 46:2374900f8845 15 //#include "mbed.h"
mutech 46:2374900f8845 16 #include "PixelBuffer.h"
mutech 0:dff187a80020 17
mutech 0:dff187a80020 18 //----------------------------------------------------------------------------
mutech 0:dff187a80020 19 /**
mutech 24:f93a61e727a3 20 * WS281X
mutech 24:f93a61e727a3 21 */
mutech 46:2374900f8845 22 class WS281X : public RGBPixels
mutech 0:dff187a80020 23 {
mutech 0:dff187a80020 24 public:
mutech 0:dff187a80020 25 /**
mutech 0:dff187a80020 26 Order of r, g and b bytes
mutech 0:dff187a80020 27 */
mutech 0:dff187a80020 28 enum RGBOrder
mutech 0:dff187a80020 29 {
mutech 46:2374900f8845 30 RGB = 0, RBG, GRB, GBR, BRG, BGR
mutech 0:dff187a80020 31 };
mutech 0:dff187a80020 32
mutech 0:dff187a80020 33 /**
mutech 0:dff187a80020 34 * Initializes the addressable led bus
mutech 0:dff187a80020 35 *
mutech 46:2374900f8845 36 * @param txPin - The output pin on wich the addressable leds are connected
mutech 0:dff187a80020 37 * @param pinMode - The output pin mode PullUp, PullDown, PullNone, OpenDrain
mutech 20:28fe0d0d081b 38 * @param maxPixels - Number of the addressable leds
mutech 0:dff187a80020 39 * @param RGBOrder - The order in wich the r, g and b bytes are expected
mutech 0:dff187a80020 40 */
mutech 46:2374900f8845 41 WS281X(PinName txPin, PinMode pinMode = PullNone, int maxPixels = MAX_PIXELS, RGBOrder rgbOrder = WS281X::RGB);
mutech 46:2374900f8845 42 WS281X(PinName txPin, PinMode pinMode = PullNone, RGBColor *buffer = 0, int maxPixels = 0, RGBOrder rgbOrder = WS281X::RGB);
mutech 27:bc79f444883b 43
mutech 46:2374900f8845 44 RGBOrder rgbOrder() { return _rgb_order; }
mutech 46:2374900f8845 45 RGBOrder rgbOrder(RGBOrder order);
mutech 28:b452e097da53 46
mutech 0:dff187a80020 47 void show();
mutech 8:0617f524d67d 48 void show(const RGBColor color);
mutech 0:dff187a80020 49
mutech 2:cc8e091fd975 50 RGBColor operator[](int index) const
mutech 0:dff187a80020 51 {
mutech 46:2374900f8845 52 if (_pixels && (uint16_t)index < _num_pixels)
mutech 0:dff187a80020 53 return _pixels[index];
mutech 46:2374900f8845 54 return _dummy_pixel;
mutech 0:dff187a80020 55 }
mutech 0:dff187a80020 56
mutech 2:cc8e091fd975 57 RGBColor& operator[](int index)
mutech 0:dff187a80020 58 {
mutech 46:2374900f8845 59 if (_pixels && (uint16_t)index < _num_pixels)
mutech 0:dff187a80020 60 return _pixels[index];
mutech 46:2374900f8845 61 return _dummy_pixel;
mutech 0:dff187a80020 62 }
mutech 0:dff187a80020 63
mutech 27:bc79f444883b 64 operator RGBColor*() const { return _pixels; }
mutech 27:bc79f444883b 65
mutech 0:dff187a80020 66 protected:
mutech 0:dff187a80020 67
mutech 0:dff187a80020 68 private:
mutech 46:2374900f8845 69 PinName _txPin;
mutech 24:f93a61e727a3 70 gpio_t _gpio;
mutech 46:2374900f8845 71 RGBOrder _rgb_order;
mutech 0:dff187a80020 72 int _1st, _2nd, _3rd;
mutech 0:dff187a80020 73
mutech 0:dff187a80020 74 #if defined(TARGET_NXP)
mutech 0:dff187a80020 75 typedef uint32_t regsize_t;
mutech 0:dff187a80020 76 #elif defined(TARGET_STM32F0) || defined(TARGET_STM32F1)
mutech 0:dff187a80020 77 typedef uint32_t regsize_t;
mutech 0:dff187a80020 78 #elif defined(TARGET_STM)
mutech 0:dff187a80020 79 typedef uint16_t regsize_t;
mutech 0:dff187a80020 80 #else
mutech 0:dff187a80020 81 #error "not supported CPU!!"
mutech 0:dff187a80020 82 #endif
mutech 0:dff187a80020 83 #if defined(TARGET_STM)
mutech 0:dff187a80020 84 void pin_mode_ex(PinName pin, PinMode mode);
mutech 0:dff187a80020 85 #endif
mutech 46:2374900f8845 86 void pin_init(PinName txPin, PinMode pinMode);
mutech 0:dff187a80020 87 void writeByte(__IO regsize_t *reg_set, __IO regsize_t *reg_clr, regsize_t *mask, uint8_t value);
mutech 0:dff187a80020 88 };
mutech 0:dff187a80020 89
mutech 0:dff187a80020 90 //----------------------------------------------------------------------------
mutech 0:dff187a80020 91 #endif // end of WS281X_H