【Arduino】108种传感器模块系列实验（125）---WeMos D1R2开发板

eagler8

ESP8266 WeMos-D1R2 接脚图

eagler8

参考电原理图

eagler8

1. /*
   
2. 【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
   
3. 实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
   
4. 项目：测试串口
   
5. */
   
6. 
   
7. void setup() {
   
8.   // put your setup code here, to run once:
   
9.   Serial.begin(9600);
   
10. }
    
11. 
    
12. void loop() {
    
13.   // put your main code here, to run repeatedly:
    
14.   Serial.println("hello eagler8!");
    
15.   delay(2000);
    
16. }
    

复制代码

eagler8

eagler8

1. /*
   
2. 【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
   
3. 实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
   
4. 项目：无延迟闪烁LED
   
5. */
   
6. 
   
7. int ledState = LOW;
   
8. 
   
9. unsigned long previousMillis = 0;
   
10. const long interval = 1000;
    
11. 
    
12. void setup() {
    
13.   pinMode(LED_BUILTIN, OUTPUT);
    
14. }
    
15. 
    
16. void loop() {
    
17.   unsigned long currentMillis = millis();
    
18.   if (currentMillis - previousMillis >= interval) {
    
19.     previousMillis = currentMillis;
    
20.     if (ledState == LOW) {
    
21.       ledState = HIGH;  // Note that this switches the LED *off*
    
22.     } else {
    
23.       ledState = LOW;  // Note that this switches the LED *on*
    
24.     }
    
25.     digitalWrite(LED_BUILTIN, ledState);
    
26.   }
    
27. }

复制代码

eagler8

1. /*
   
2. 【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
   
3. 实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
   
4. 项目：ESP8266闪烁，由Daniel Salazar轮询超时
   
5. */
   
6. 
   
7. #include <PolledTimeout.h>
   
8. 
   
9. void ledOn() {
   
10.   digitalWrite(LED_BUILTIN, LOW);   // Turn the LED on (Note that LOW is the voltage level
    
11. }
    
12. 
    
13. void ledOff() {
    
14.   digitalWrite(LED_BUILTIN, HIGH);  // Turn the LED off by making the voltage HIGH
    
15. }
    
16. 
    
17. void ledToggle() {
    
18.   digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));  // Change the state of the LED
    
19. }
    
20. 
    
21. 
    
22. esp8266::polledTimeout::periodicFastUs halfPeriod(500000); //use fully qualified type and avoid importing all ::esp8266 namespace to the global namespace
    
23. 
    
24. // the setup function runs only once at start
    
25. void setup() {
    
26.   Serial.begin(115200);
    
27. 
    
28.   Serial.println();
    
29.   Serial.printf("periodic/oneShotMs::timeMax()     = %u ms\n", (uint32_t)esp8266::polledTimeout::periodicMs::timeMax());
    
30.   Serial.printf("periodic/oneShotFastMs::timeMax() = %u ms\n", (uint32_t)esp8266::polledTimeout::periodicFastMs::timeMax());
    
31.   Serial.printf("periodic/oneShotFastUs::timeMax() = %u us\n", (uint32_t)esp8266::polledTimeout::periodicFastUs::timeMax());
    
32.   Serial.printf("periodic/oneShotFastNs::timeMax() = %u ns\n", (uint32_t)esp8266::polledTimeout::periodicFastNs::timeMax());
    
33. 
    
34. #if 0 // 1 or debugging polledTimeoutf
    
35.   Serial.printf("periodic/oneShotMs::rangeCompensate     = %u\n", (uint32_t)esp8266::polledTimeout::periodicMs::rangeCompensate);
    
36.   Serial.printf("periodic/oneShotFastMs::rangeCompensate = %u\n", (uint32_t)esp8266::polledTimeout::periodicFastMs::rangeCompensate);
    
37.   Serial.printf("periodic/oneShotFastUs::rangeCompensate = %u\n", (uint32_t)esp8266::polledTimeout::periodicFastUs::rangeCompensate);
    
38.   Serial.printf("periodic/oneShotFastNs::rangeCompensate = %u\n", (uint32_t)esp8266::polledTimeout::periodicFastNs::rangeCompensate);
    
39. #endif
    
40. 
    
41.   pinMode(LED_BUILTIN, OUTPUT);     // Initialize the LED_BUILTIN pin as an output
    
42. 
    
43.   using esp8266::polledTimeout::oneShotMs; //import the type to the local namespace
    
44. 
    
45.   //STEP1; turn the led ON
    
46.   ledOn();
    
47. 
    
48.   //STEP2: wait for ON timeout
    
49.   oneShotMs timeoutOn(2000);
    
50.   while (!timeoutOn) {
    
51.     yield();
    
52.   }
    
53. 
    
54.   //STEP3: turn the led OFF
    
55.   ledOff();
    
56. 
    
57.   //STEP4: wait for OFF timeout to assure the led is kept off for this time before exiting setup
    
58.   oneShotMs timeoutOff(2000);
    
59.   while (!timeoutOff) {
    
60.     yield();
    
61.   }
    
62. 
    
63.   //Done with STEPs, do other stuff
    
64.   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.
    
65. }
    
66. 
    
67. 
    
68. // the loop function runs over and over again forever
    
69. void loop() {
    
70.   if (halfPeriod) {
    
71.     ledToggle();
    
72.   }
    
73. }

复制代码

eagler8

1. /*
   
2. 【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
   
3. 实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
   
4. 项目：测试ide的eeprom设置是否与硬件匹配
   
5. */
   
6. 
   
7. void setup(void) {
   
8.   Serial.begin(115200);
   
9. }
   
10. 
    
11. void loop() {
    
12. 
    
13.   uint32_t realSize = ESP.getFlashChipRealSize();
    
14.   uint32_t ideSize = ESP.getFlashChipSize();
    
15.   FlashMode_t ideMode = ESP.getFlashChipMode();
    
16. 
    
17.   Serial.printf("Flash real id:   %08X\n", ESP.getFlashChipId());
    
18.   Serial.printf("Flash real size: %u bytes\n\n", realSize);
    
19. 
    
20.   Serial.printf("Flash ide  size: %u bytes\n", ideSize);
    
21.   Serial.printf("Flash ide speed: %u Hz\n", ESP.getFlashChipSpeed());
    
22.   Serial.printf("Flash ide mode:  %s\n", (ideMode == FM_QIO ? "QIO" : ideMode == FM_QOUT ? "QOUT" : ideMode == FM_DIO ? "DIO" : ideMode == FM_DOUT ? "DOUT" : "UNKNOWN"));
    
23. 
    
24.   if (ideSize != realSize) {
    
25.     Serial.println("Flash Chip configuration wrong!\n");
    
26.   } else {
    
27.     Serial.println("Flash Chip configuration ok.\n");
    
28.   }
    
29. 
    
30.   delay(5000);
    
31. }

复制代码

eagler8

eagler8

1. /*
   
2. 【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
   
3. 实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
   
4. 项目：将内置LED连接到Sigma Delta源，呼吸灯
   
5. */
   
6. 
   
7. #include "sigma_delta.h"
   
8. 
   
9. void setup() {
   
10. 
    
11.   Serial.begin(115200);
    
12.   pinMode(LED_BUILTIN, OUTPUT); // blinkie & sigma-delta mix
    
13.   uint32_t reqFreq = 1000;
    
14.   uint32_t realFreq;
    
15. 
    
16.   realFreq = sigmaDeltaSetup(0, reqFreq); // chose a low frequency
    
17. 
    
18.   Serial.println();
    
19.   Serial.println("Start Sigma Delta Example\n");
    
20.   Serial.printf("Frequency = %u\n", realFreq);
    
21. 
    
22. }
    
23. 
    
24. void loop() {
    
25. 
    
26.   uint8_t duty, iRepeat;
    
27. 
    
28.   Serial.println("Attaching the built in led to the sigma delta source now\n");
    
29.   Serial.printf("Current duty = %i, prescaler = %i\n", sigmaDeltaRead(), sigmaDeltaGetPrescaler());
    
30.   sigmaDeltaAttachPin(LED_BUILTIN);
    
31. 
    
32.   Serial.println("Dimming builtin led...\n");
    
33.   for (iRepeat = 0; iRepeat < 10; iRepeat++) {
    
34.     for (duty = 0; duty < 255; duty = duty + 5) {
    
35.       sigmaDeltaWrite(0, duty);
    
36.       delay(10);
    
37.     }
    
38. 
    
39.     for (duty = 255; duty > 0; duty = duty - 5) {
    
40.       sigmaDeltaWrite(0, duty);
    
41.       delay(10);
    
42.     }
    
43. 
    
44.   }
    
45. 
    
46.   Serial.println("Detaching builtin led & playing a blinkie\n");
    
47.   sigmaDeltaDetachPin(LED_BUILTIN);
    
48.   for (iRepeat = 0; iRepeat < 20; iRepeat++) {
    
49.     digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));
    
50.     delay(500);
    
51.   }
    
52. }

复制代码

eagler8

eagler8

1. /*
   
2. 【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）
   
3. 实验一百二十五： 升级版 WeMos D1 R2 WiFi UNO 开发板 基于ESP8266
   
4. 项目：Station模式下的操作实例,查询IP地址
   
5. */
   
6. 
   
7. #include <ESP8266WiFi.h>
   
8. 
   
9. #define AP_SSID "eagler8" //这里改成你的wifi名字
   
10. #define AP_PSW  "zy156721"//这里改成你的wifi密码
    
11. 
    
12. void setup(){
    
13.   //设置串口波特率，以便打印信息
    
14.   Serial.begin(9600);
    
15. 
    
16.   //启动STA模式，并连接到wifi网络
    
17.   WiFi.begin(AP_SSID, AP_PSW);
    
18. 
    
19.   Serial.print(String("Connecting to ")+AP_SSID);
    
20.   //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
    
21.   while (WiFi.status() != WL_CONNECTED){
    
22.     delay(500);
    
23.     Serial.print(".");
    
24.   }
    
25.   Serial.println("");
    
26. 
    
27.   Serial.print("Connected, IP address: ");
    
28.   //输出station IP地址，这里的IP地址由DHCP分配
    
29.   Serial.println(WiFi.localIP());
    
30.   Serial.println("Setup End");
    
31. }
    
32. 
    
33. void loop() {
    
34. }

复制代码

eagler8