FCLab@OvGU / NeoPixel

Simple neopixel (WS2812) library, tuned for stm32 (L432) at 80 MHz Should be compatible with any stm32, different clock speed may require timing adjustments in neopixel.c

Dependents:   Nucleo_neopixel_ovgu Nucleo_neopixel_ovgu1 Nucleo_neopixel_ovgu3

Fork of NeoPixel by Ondřej Hruška

neopixel.h@1:037882a8e193, 2017-12-11 (annotated)

Committer:
Hinz
Date:
Mon Dec 11 12:54:00 2017 +0000
Revision:
1:037882a8e193
Parent:
0:a81364d9a67b 
ok

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MightyPork 0:a81364d9a67b 1 #ifndef NEOPIXEL_H
MightyPork 0:a81364d9a67b 2 #define NEOPIXEL_H
MightyPork 0:a81364d9a67b 3 #include "mbed.h"
MightyPork 0:a81364d9a67b 4
MightyPork 0:a81364d9a67b 5 union Pixel {
MightyPork 0:a81364d9a67b 6 struct __attribute__((packed)) {
MightyPork 0:a81364d9a67b 7 uint8_t b;
MightyPork 0:a81364d9a67b 8 uint8_t g;
MightyPork 0:a81364d9a67b 9 uint8_t r;
MightyPork 0:a81364d9a67b 10 uint8_t a; // unused
MightyPork 0:a81364d9a67b 11 };
Hinz 1:037882a8e193 12 uint32_t hex;
Hinz 1:037882a8e193 13 };
MightyPork 0:a81364d9a67b 14
Hinz 1:037882a8e193 15 class NeoPixel : DigitalOut {
Hinz 1:037882a8e193 16 private:
Hinz 1:037882a8e193 17 void byte(uint32_t b);
Hinz 1:037882a8e193 18 int _npixels;
Hinz 1:037882a8e193 19 Pixel *_pixels;
Hinz 1:037882a8e193 20 public:
Hinz 1:037882a8e193 21 NeoPixel(PinName, int );
Hinz 1:037882a8e193 22 void show(void);
Hinz 1:037882a8e193 23 void setColor(int, uint32_t);
Hinz 1:037882a8e193 24 void clear(void);
MightyPork 0:a81364d9a67b 25 };
MightyPork 0:a81364d9a67b 26
MightyPork 0:a81364d9a67b 27
Hinz 1:037882a8e193 28 #endif /* NEOPIXEL_H */