esp-now通信不成功的原因？怎么解决？

我基本都没有改，只是改了mac地址。打印出来错误为：Peer interface is invalid和Failed to add peer不懂是什么原因。是接受方哪个地方设置的不正确吗。以下是我发送端和接收端的程序，不忙的大神可以帮忙看看哪里出了问题。

以下为发送端的程序Code: Select all
// Own macAddress:98:F4:AB:3A:77:0C// recver MAC Address: 98:F4:AB:39:4C:C0#include #include // REPLACE WITH YOUR RECEIVER MAC Addressuint8_t broadcastAddress[] = {0x98, 0xF4, 0xAB, 0x39, 0x4C, 0xC0};// Structure example to send datatypedef struct struct_message {  char a[32];  int b;  float c;  String d;  bool e;} struct_message;// Create a struct_message called myDatastruct_message myData;// callback when data is sentvoid OnDataSent(const uint8_t *mac_addr, esp_now_send_status_t status) {  Serial.print("rnLast Packet Send Status:t");  Serial.println(status == ESP_NOW_SEND_SUCCESS ? "Delivery Success" : "Delivery Fail");} void setup() {  // Init Serial Monitor  Serial.begin(115200);   // Set device as a Wi-Fi Station  WiFi.mode(WIFI_STA);  Serial.println(WiFi.macAddress());  // Init ESP-NOW  if (esp_now_init() != ESP_OK) {    Serial.println("Error initializing ESP-NOW");    return;  }  // Once ESPNow is successfully Init, we will register for Send CB to  // get the status of Trasnmitted packet  esp_now_register_send_cb(OnDataSent);    // Register peer  esp_now_peer_info_t peerInfo;  memcpy(peerInfo.peer_addr, broadcastAddress, 6);  peerInfo.channel = 0;    peerInfo.encrypt = false;    // Add peer          if (esp_now_add_peer(&peerInfo) != ESP_OK){    Serial.println("Failed to add peer");    return;  }} void loop() {  // Set values to send  strcpy(myData.a, "THIS IS A CHAR");  myData.b = random(1,20);  myData.c = 1.2;  myData.d = "Hello";  myData.e = false;  // Send message via ESP-NOW  esp_err_t result = esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));     if (result == ESP_OK) {    Serial.println("Sent with success");  }  else {    Serial.println("Error sending the data");    Serial.print("error code is : ");    Serial.println(result);  }  delay(2000);}
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以下为接受端的程序。Code: Select all
// send board MAC Address:98:F4:AB:3A:77:0C// Recv board MAC Address: 98:F4:AB:39:4C:C0#include #include // Structure example to receive datatypedef struct struct_message {  char a[32];  int b;  float c;  String d;  bool e;} struct_message;// Create a struct_message called myDatastruct_message myData;// callback function that will be executed when data is receivedvoid OnDataRecv(const uint8_t * mac, const uint8_t *incomingData, int len) {  memcpy(&myData, incomingData, sizeof(myData));  Serial.print("Bytes received: ");  Serial.println(len);  Serial.print("Char: ");  Serial.println(myData.a);  Serial.print("Int: ");  Serial.println(myData.b);  Serial.print("Float: ");  Serial.println(myData.c);  Serial.print("String: ");  Serial.println(myData.d);  Serial.print("Bool: ");  Serial.println(myData.e);  Serial.println();}void setup() {  // Initialize Serial Monitor  Serial.begin(115200);  // Set device as a Wi-Fi Station  WiFi.mode(WIFI_STA);  Serial.println(WiFi.macAddress());  // Init ESP-NOW  if (esp_now_init() != ESP_OK) {    Serial.println("Error initializing ESP-NOW");    return;  }  // Once ESPNow is successfully Init, we will register for recv CB to  // get recv packer info  esp_now_register_recv_cb(OnDataRecv);}void loop() {  }