Freenove ESP32 User Manual

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102

Chapter 9 WS2812

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#define LED_MODE_OFF 0

#define LED_MODE_RGB 1

#define LED_MODE_FOLLOWING 2

#define LED_MODE_BLINK 3

#define LED_MODE_BREATHING 4

#define LED_MODE_RAINBOW 5

void setupRGBLED();

void setRGBLED(uint8_t mode, uint8_t r, uint8_t g, uint8_t b);

void task_showRGBLeds(void *pvParameters);

void task_RGBLeds(void *pvParameters);

#endif

RGBLED_WS2812.cpp

#include "RGBLED_WS2812.h"

Freenove_ESP32_WS2812 strip = Freenove_ESP32_WS2812(LEDS_COUNT, LEDS_PIN, CHANNEL, TYPE_GRB);

struct LedConfig {

uint8_t mode;

uint8_t r;

uint8_t g;

uint8_t b;

} ledConfig_t;

int followingColorStep = 0;

int breathingStep = 2;

int rainbowStep = 2;

bool blinkStateUp = true;

bool breathingStateUp = true;

u32 lastStripUpdateTime = 0;

void setupRGBLED() {

strip.begin();

strip.setBrightness(255);

xTaskCreateUniversal(task_RGBLeds, "task_RGBLeds", 4096, NULL, 1, NULL, 1);

}

void setRGBLED(uint8_t mode, uint8_t r, uint8_t g, uint8_t b) {

ledConfig_t.mode = mode;

ledConfig_t.r = r;

ledConfig_t.g = g;

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Freenove ESP32 Specifications

General

Clock Speed	240 MHz
RAM	520 KB SRAM
Wi-Fi	802.11 b/g/n
UART	3
Operating Voltage	3.3V
Input Voltage	5V
DC Current per I/O Pin	40mA
USB	Micro USB
Microcontroller	ESP32
Chip	ESP32
Bluetooth	Bluetooth v4.2 BR/EDR and BLE standard
ADC Channels/Analog Input Pins	18
I2C	Yes
SPI	Yes
Interfaces	I2C, SPI, UART
CPU	Dual-Core 32-bit LX6 Microprocessor