Freenove ESP32 User Manual

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90
Chapter 7 Built-in Led
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BuiltInLed.cpp
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#include "BuiltInLed.h"
uint32_t sqValue = 0b00000101;
uint32_t lastLedUpdateTime = 0;
uint16_t intervalTime = 100; // ms
bool ledStatus = false;
bool lastLedStatus = true;
uint8_t ledRunnigStatus = 0;
void setupBuiltInLed(){
pinMode(LED_BUILT_IN, OUTPUT);
}
void setBuiltInLed(bool state){
digitalWrite(LED_BUILT_IN, state);
}
void task_showBuiltInLed(void *pvParameters){
static uint8_t bitIndex = 0;
static uint8_t bitDiff = 0;
if (millis() - lastLedUpdateTime > intervalTime){
switch (ledRunnigStatus){
case 0: // running
ledStatus = ((sqValue >> bitIndex) & 0x01) ? true : false;
if (ledStatus != lastLedStatus){
digitalWrite(LED_BUILT_IN, (uint8_t)ledStatus);
lastLedStatus = ledStatus;
bitDiff++;
}
bitIndex++;
if (bitIndex >= 10){
intervalTime = 600;
ledRunnigStatus = 1;
bitDiff = 0;
bitIndex = 0;
}
break;
case 1: // off
intervalTime = 100;
ledRunnigStatus = 0;
break;
default:
break;

Freenove ESP32 Specifications

General

Brand	Freenove
Model	ESP32
Category	Computer Hardware
Language	English