ESP8266 WeMos-D1R2 接脚图
参考电原理图 /*
【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
项目：测试串口
*/
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
}
void loop() {
// put your main code here, to run repeatedly:
Serial.println("hello eagler8!");
delay(2000);
}
/*
【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
项目：无延迟闪烁LED
*/
int ledState = LOW;
unsigned long previousMillis = 0;
const long interval = 1000;
void setup() {
pinMode(LED_BUILTIN, OUTPUT);
}
void loop() {
unsigned long currentMillis = millis();
if (currentMillis - previousMillis >= interval) {
previousMillis = currentMillis;
if (ledState == LOW) {
ledState = HIGH;// Note that this switches the LED *off*
} else {
ledState = LOW;// Note that this switches the LED *on*
}
digitalWrite(LED_BUILTIN, ledState);
}
} /*
【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
项目：ESP8266闪烁，由Daniel Salazar轮询超时
*/
#include <PolledTimeout.h>
void ledOn() {
digitalWrite(LED_BUILTIN, LOW); // Turn the LED on (Note that LOW is the voltage level
}
void ledOff() {
digitalWrite(LED_BUILTIN, HIGH);// Turn the LED off by making the voltage HIGH
}
void ledToggle() {
digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));// Change the state of the LED
}
esp8266::polledTimeout::periodicFastUs halfPeriod(500000); //use fully qualified type and avoid importing all ::esp8266 namespace to the global namespace
// the setup function runs only once at start
void setup() {
Serial.begin(115200);
Serial.println();
Serial.printf("periodic/oneShotMs::timeMax() = %u ms\n", (uint32_t)esp8266::polledTimeout::periodicMs::timeMax());
Serial.printf("periodic/oneShotFastMs::timeMax() = %u ms\n", (uint32_t)esp8266::polledTimeout::periodicFastMs::timeMax());
Serial.printf("periodic/oneShotFastUs::timeMax() = %u us\n", (uint32_t)esp8266::polledTimeout::periodicFastUs::timeMax());
Serial.printf("periodic/oneShotFastNs::timeMax() = %u ns\n", (uint32_t)esp8266::polledTimeout::periodicFastNs::timeMax());
#if 0 // 1 or debugging polledTimeoutf
Serial.printf("periodic/oneShotMs::rangeCompensate = %u\n", (uint32_t)esp8266::polledTimeout::periodicMs::rangeCompensate);
Serial.printf("periodic/oneShotFastMs::rangeCompensate = %u\n", (uint32_t)esp8266::polledTimeout::periodicFastMs::rangeCompensate);
Serial.printf("periodic/oneShotFastUs::rangeCompensate = %u\n", (uint32_t)esp8266::polledTimeout::periodicFastUs::rangeCompensate);
Serial.printf("periodic/oneShotFastNs::rangeCompensate = %u\n", (uint32_t)esp8266::polledTimeout::periodicFastNs::rangeCompensate);
#endif
pinMode(LED_BUILTIN, OUTPUT); // Initialize the LED_BUILTIN pin as an output
using esp8266::polledTimeout::oneShotMs; //import the type to the local namespace
//STEP1; turn the led ON
ledOn();
//STEP2: wait for ON timeout
oneShotMs timeoutOn(2000);
while (!timeoutOn) {
yield();
}
//STEP3: turn the led OFF
ledOff();
//STEP4: wait for OFF timeout to assure the led is kept off for this time before exiting setup
oneShotMs timeoutOff(2000);
while (!timeoutOff) {
yield();
}
//Done with STEPs, do other stuff
halfPeriod.reset(); //halfPeriod is global, so it gets inited on sketch start. Clear it here to make it ready for loop, where it's actually used.
}
// the loop function runs over and over again forever
void loop() {
if (halfPeriod) {
ledToggle();
}
} /*
【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
项目：测试ide的eeprom设置是否与硬件匹配
*/
void setup(void) {
Serial.begin(115200);
}
void loop() {
uint32_t realSize = ESP.getFlashChipRealSize();
uint32_t ideSize = ESP.getFlashChipSize();
FlashMode_t ideMode = ESP.getFlashChipMode();
Serial.printf("Flash real id: %08X\n", ESP.getFlashChipId());
Serial.printf("Flash real size: %u bytes\n\n", realSize);
Serial.printf("Flash idesize: %u bytes\n", ideSize);
Serial.printf("Flash ide speed: %u Hz\n", ESP.getFlashChipSpeed());
Serial.printf("Flash ide mode:%s\n", (ideMode == FM_QIO ? "QIO" : ideMode == FM_QOUT ? "QOUT" : ideMode == FM_DIO ? "DIO" : ideMode == FM_DOUT ? "DOUT" : "UNKNOWN"));
if (ideSize != realSize) {
Serial.println("Flash Chip configuration wrong!\n");
} else {
Serial.println("Flash Chip configuration ok.\n");
}
delay(5000);
} /*
【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
项目：将内置LED连接到Sigma Delta源，呼吸灯
*/
#include "sigma_delta.h"
void setup() {
Serial.begin(115200);
pinMode(LED_BUILTIN, OUTPUT); // blinkie & sigma-delta mix
uint32_t reqFreq = 1000;
uint32_t realFreq;
realFreq = sigmaDeltaSetup(0, reqFreq); // chose a low frequency
Serial.println();
Serial.println("Start Sigma Delta Example\n");
Serial.printf("Frequency = %u\n", realFreq);
}
void loop() {
uint8_t duty, iRepeat;
Serial.println("Attaching the built in led to the sigma delta source now\n");
Serial.printf("Current duty = %i, prescaler = %i\n", sigmaDeltaRead(), sigmaDeltaGetPrescaler());
sigmaDeltaAttachPin(LED_BUILTIN);
Serial.println("Dimming builtin led...\n");
for (iRepeat = 0; iRepeat < 10; iRepeat++) {
for (duty = 0; duty < 255; duty = duty + 5) {
sigmaDeltaWrite(0, duty);
delay(10);
}
for (duty = 255; duty > 0; duty = duty - 5) {
sigmaDeltaWrite(0, duty);
delay(10);
}
}
Serial.println("Detaching builtin led & playing a blinkie\n");
sigmaDeltaDetachPin(LED_BUILTIN);
for (iRepeat = 0; iRepeat < 20; iRepeat++) {
digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));
delay(500);
}
} /*
【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
项目：Station模式下的操作实例,查询IP地址
*/
#include <ESP8266WiFi.h>
#define AP_SSID "eagler8" //这里改成你的wifi名字
#define AP_PSW"zy156721"//这里改成你的wifi密码
void setup(){
//设置串口波特率，以便打印信息
Serial.begin(9600);
//启动STA模式，并连接到wifi网络
WiFi.begin(AP_SSID, AP_PSW);
Serial.print(String("Connecting to ")+AP_SSID);
//判断网络状态是否连接上，没连接上就延时500ms，并且打出一个点，模拟连接过程
while (WiFi.status() != WL_CONNECTED){
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected, IP address: ");
//输出station IP地址，这里的IP地址由DHCP分配
Serial.println(WiFi.localIP());
Serial.println("Setup End");
}
void loop() {
}
页:
1
[2]