A simple HTTP server echoing received requests. Ethernet connection is over an ENC28J60 board. Usage: Type the server's IP address into you web browser and hit <ENTER>.
main.cpp
- Committer:
- hudakz
- Date:
- 2015-11-27
- Revision:
- 2:519b6ae198ae
- Parent:
- 1:9c602cc98b9f
- Child:
- 3:f3bfd257e138
File content as of revision 2:519b6ae198ae:
/* * In this example the HTTP request (text) received from a browser is echoed (sent back) to the browser. * Ethernet connection is via an ENC28J60 board driven by UIPEthernet */ #include "mbed.h" #include <UIPEthernet.h> #include <UIPServer.h> #include <UIPClient.h> Serial pc(USBTX, USBRX); #define DHCP 1 // comment out this line if you are not using DHCP // UIPEthernet is the name of a global instance of UIPEthernetClass. // Do not change the name! It is used within the UIPEthernet library. // Adapt the SPI pin names to your mbed platform/board if not present yet. #if defined(TARGET_LPC1768) UIPEthernetClass UIPEthernet(p11, p12, p13, p8); // mosi, miso, sck, cs #elif defined(TARGET_LPC1114) UIPEthernetClass UIPEthernet(dp2, dp1, dp6, dp25); // mosi, miso, sck, cs #elif defined(TARGET_LPC11U68) UIPEthernetClass UIPEthernet(P0_9, P0_8, P1_29, P0_2); // mosi, miso, sck, cs #elif defined(TARGET_NUCLEO_F103RB) UIPEthernetClass UIPEthernet(D11, D12, D13, D10); // mosi, miso, sck, cs #elif defined(TARGET_NUCLEO_F103RB) UIPEthernetClass UIPEthernet(D11, D12, D13, D10); // mosi, miso, sck, cs #elif defined(TARGET_NUCLEO_F401RE) UIPEthernetClass UIPEthernet(D11, D12, D13, D10); // mosi, miso, sck, cs #elif defined(TARGET_NUCLEO_F411RE) UIPEthernetClass UIPEthernet(D11, D12, D13, D10); // mosi, miso, sck, cs #endif // MAC number must be unique within the connected network. Modify as appropriate. const uint8_t MY_MAC[6] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 }; #if !defined(DHCP) // IP address must be unique and compatible with your network. Change as appropriate. const IPAddress MY_IP(192, 168, 1, 181); #endif const uint16_t MY_PORT = 80; // for HTTP connection EthernetServer myServer = EthernetServer(MY_PORT); Serial serial(USBTX, USBRX); /** * @brief * @note * @param * @retval */ int main(void) { pc.printf("Searching for DHCP server.\r\n"); pc.printf("It takes some time. Please wait..\r\n"); #if defined(DHCP) if(UIPEthernet.begin(MY_MAC) != 1) { pc.printf("No DHCP server found.\r\n"); pc.printf("Exiting application\r\n"); return 0; } pc.printf("DHCP server found and configuration info received\r\n"); IPAddress localIP = UIPEthernet.localIP(); pc.printf("Local IP = "); for(uint8_t i = 0; i < 3; i++) pc.printf("%d.", localIP[i]); pc.printf("%d\r\n", localIP[3]); #else UIPEthernet.begin(MY_MAC, MY_IP); #endif myServer.begin(); while(1) { EthernetClient client = myServer.available(); if(client) { size_t size = client.available(); if(size > 0) { char* buf = (char*)malloc(size); size = client.read((uint8_t*)buf, size); if(buf[0] == 'G' && buf[1] == 'E' && buf[2] == 'T') { serial.printf("GET request received:\n\r"); serial.printf(buf); char echoHeader[256] = { }; sprintf ( echoHeader, "HTTP/1.1 200 OK\r\nContent-Length: %d\r\nContent-Type: text\r\nConnection: About to close\r\n\r\n", size ); client.write((uint8_t*)echoHeader, strlen(echoHeader)); client.write((uint8_t*)buf, size); serial.printf("Echo done.\r\n"); } free(buf); } } } }