Initial Example Project
Dependencies: SDFileSystem WIZnet_Library mbed
Fork of Nucleo_L152RE_W5500HelloWorld_ver2 by
main.cpp
- Committer:
- peter_h
- Date:
- 2018-01-24
- Revision:
- 5:0a1a21449539
- Parent:
- 4:17797698535b
File content as of revision 5:0a1a21449539:
// Nucloe_L152RE_W5500_Ethernet Example #include "mbed.h" #include "WIZnetInterface.h" //#include "SDFileSystem.h" #define USE_DHCP 1 // DHCP #define TCP_PORT 5000 const char * IP_Addr = "192.168.0.194"; const char * IP_Subnet = "255.255.255.0"; const char * IP_Gateway = "192.168.0.1"; unsigned char MAC_Addr[6] = {0x00,0x08,0xDC,0x01,0x02,0x03}; // SDFileSystem sd(PA_7, PA_6, PA_5, PB_5, "sd"); DigitalOut myled1(LED1); Serial pc(USBTX, USBRX); SPI spi(PA_7, PA_6, PA_5); // mosi, miso, sclk WIZnetInterface ethernet(&spi, PB_6, PC_7);//scs(PB_6), nRESET(PA_9); // reset pin is dummy, don't affect any pin of WIZ550io int main() { //Set serial port baudrate speed: 115200 pc.baud(115200); wait(10); pc.printf("W5500 Application Started \r\n"); char buffer[128]; //SD-CARD // printf("Hello World!\n"); // mkdir("/sd/mydir", 0777); // FILE *fp = fopen("/sd/mydir/sdtest.txt", "w"); // if(fp == NULL) { // error("Could not open file for write\n"); // } // fprintf(fp, "Hello fun SD Card World!"); // fclose(fp); // printf("Goodbye World!\r\n"); //SD-CARD END while(1) { #if USE_DHCP pc.printf("DHCP ON \r\n"); int ret = ethernet.init(MAC_Addr); #else pc.printf("DHCP OFF \r\n"); int ret = ethernet.init(MAC_Addr,IP_Addr,IP_Subnet,IP_Gateway); #endif printf("SPI Initialized \r\n"); wait(1); // 1 second for stable state printf("W5500 Networking Started \r\n"); wait(1); // 1 second for stable state if (!ret) { pc.printf("Initialized, MAC: %s\r\n", ethernet.getMACAddress()); ret = ethernet.connect(); if (!ret) { pc.printf("IP: %s, MASK: %s, GW: %s\r\n", ethernet.getIPAddress(), ethernet.getNetworkMask(), ethernet.getGateway()); } else { pc.printf("Error ethernet.connect() - ret = %d\r\n", ret); exit(0); } } else { pc.printf("Error ethernet.init() - ret = %d\r\n", ret); exit(0); } TCPSocketServer server; server.bind(TCP_PORT); server.listen(); while (1) { pc.printf("\nWait for new connection...\r\n"); TCPSocketConnection client; server.accept(client); client.set_blocking(false, 0); // Timeout=0. pc.printf("Connection from: %s\r\n", client.get_address()); while (client.is_connected() == true) { int n = client.receive(buffer, sizeof(buffer)); if(n > 0) client.send_all(buffer, n); if(client.is_fin_received()) client.close(); } pc.printf("Disconnected.\r\n"); } } }