Ano-sys
52 lines
1.2 KiB
Arduino
52 lines
1.2 KiB
Arduino
#include <Arduino.h>
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#include <WiFi.h>
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#include <lwip/sockets.h>
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#define _SSID "ESP32-AP1"
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#define _PASSWD "PASS0000"
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#define UDP_PORT 6666
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#define MTU 100000
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IPAddress apIP(192,168,178,1);
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IPAddress subnetMask(255,255,255,0);
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static int udp_sock;
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void udp_task(void* /*args*/) {
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struct sockaddr_in sourceAddr;
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socklen_t addrLen = sizeof(sourceAddr);
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static uint8_t udp_buf[MTU];
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while (true) {
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int len = recvfrom(udp_sock, udp_buf, MTU - 1, 0, (struct sockaddr*)&sourceAddr, &addrLen);
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if (len > 0) {
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udp_buf[len] = '\n';
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Serial.write(udp_buf, len + 1);
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}
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}
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}
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void setup() {
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Serial.begin(115200);
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while (!Serial) { delay(10); }
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WiFi.mode(WIFI_AP);
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WiFi.softAPConfig(apIP, apIP, subnetMask);
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WiFi.softAP(_SSID, _PASSWD, /*channel*/1, /*hidden*/false, /*maxConn*/4);
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udp_sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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struct sockaddr_in localAddr;
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memset(&localAddr, 0, sizeof(localAddr));
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localAddr.sin_family = AF_INET;
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localAddr.sin_port = htons(UDP_PORT);
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localAddr.sin_addr.s_addr = htonl(INADDR_ANY);
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bind(udp_sock, (struct sockaddr*)&localAddr, sizeof(localAddr));
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xTaskCreatePinnedToCore(udp_task, "UDPReceiver", 4096, nullptr, 5, nullptr, 1);
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}
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void loop() {
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vTaskDelay(pdMS_TO_TICKS(1000));
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}
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