Zoltan Hudak
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>.
Revision 7:f6058bcaa614, committed 2019-08-30
- Comitter:
- hudakz
- Date:
- Fri Aug 30 14:14:59 2019 +0000
- Parent:
- 6:c5eb31c60c8f
- Child:
- 8:9e3b50f6dc81
- Commit message:
- Mbed OS 5 enabled.
Changed in this revision
--- a/UIPEthernet.lib Fri Jun 30 19:57:05 2017 +0000 +++ b/UIPEthernet.lib Fri Aug 30 14:14:59 2019 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/hudakz/code/UIPEthernet/#4acb22344932 +http://mbed.org/users/hudakz/code/UIPEthernet/#647d53d146f1
--- a/main.cpp Fri Jun 30 19:57:05 2017 +0000
+++ b/main.cpp Fri Aug 30 14:14:59 2019 +0000
@@ -3,80 +3,73 @@
* Ethernet connection is via an ENC28J60 Ethernet board driven by the UIPEthernet library
*/
#include "mbed.h"
-#include "UIPEthernet.h"
-#include "UIPServer.h"
-#include "UIPClient.h"
-
-#define DHCP 1 // if you'd like to use static IP address comment out this line
+#include "UipEthernet.h"
+#include "TcpServer.h"
+#include "TcpClient.h"
-// MAC address must be unique within the connected network. Modify as appropriate.
-const uint8_t MY_MAC[6] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
-const uint16_t MY_PORT = 80; // for HTTP connection
-
-Serial pc(USBTX, USBRX);
+#define IP "192.168.1.35"
+#define GATEWAY "192.168.1.1"
+#define NETMASK "255.255.255.0"
+#define PORT 80
-#if defined(TARGET_LPC1768)
-UIPEthernet uIPEthernet(p11, p12, p13, p8); // mosi, miso, sck, cs
-#elif defined(TARGET_NUCLEO_F103RB) || defined(TARGET_NUCLEO_L152RE) || defined(TARGET_NUCLEO_F030R8) \
- || defined(TARGET_NUCLEO_F401RE) || defined(TARGET_NUCLEO_F302R8) || defined(TARGET_NUCLEO_L053R8) \
- || defined(TARGET_NUCLEO_F411RE) || defined(TARGET_NUCLEO_F334R8) || defined(TARGET_NUCLEO_F072RB) \
- || defined(TARGET_NUCLEO_F091RC) || defined(TARGET_NUCLEO_F303RE) || defined(TARGET_NUCLEO_F070RB) \
- || defined(TARGET_KL25Z ) || defined(TARGET_KL46Z) || defined(TARGET_K64F) || defined(TARGET_KL05Z) \
- || defined(TARGET_K20D50M) || defined(TARGET_K22F) \
- || defined(TARGET_NRF51822) \
- || defined(TARGET_RZ_A1H)
-UIPEthernet uIPEthernet(D11, D12, D13, D10); // mosi, miso, sck, cs
-#endif
-
-EthernetServer myServer = EthernetServer(MY_PORT);
-
+const uint8_t MAC[6] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
+UipEthernet net(MAC, D11, D12, D13, D10); // mac, mosi, miso, sck, cs
+TcpServer server; // Ethernet server
+TcpClient* client;
+char receiveBuf[1024];
+char echoHeader[256];
+/**
+ * @brief
+ * @note
+ * @param
+ * @retval
+ */
int main(void)
{
-#if defined(DHCP)
- pc.printf("Searching for DHCP server..\r\n");
- 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.\r\n");
-#else
- // IP address must be unique and compatible with your network.
- const IPAddress MY_IP(192, 168, 1, 181); // Change as appropriate.
+ printf("Starting ...\r\n");
+
+ //net.set_network(IP, NETMASK, GATEWAY); // include this to use static IP address
+ net.connect();
+
+ // Show the network address
+ const char* ip = net.get_ip_address();
+ const char* netmask = net.get_netmask();
+ const char* gateway = net.get_gateway();
- uIPEthernet.begin(MY_MAC, MY_IP);
-#endif
+ printf("IP address: %s\r\n", ip ? ip : "None");
+ printf("Netmask: %s\r\n", netmask ? netmask : "None");
+ printf("Gateway: %s\r\n\r\n", gateway ? gateway : "None");
- pc.printf("Local IP = %s\r\n", uIPEthernet.localIP().toString());
- myServer.begin();
+ /* Open the server on ethernet stack */
+ server.open(&net);
+
+ /* Bind the HTTP port (TCP 80) to the server */
+ server.bind(PORT);
+
+ /* Can handle 5 simultaneous connections */
+ server.listen(5);
while (1) {
- char echoHeader[256];
- EthernetClient client = myServer.available();
+ client = server.accept();
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') {
- pc.printf("GET request received:\n\r");
- pc.printf(buf);
- 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);
- pc.printf("Echo done.\r\n");
- }
-
- free(buf);
+ size_t receiveLen = client->recv((uint8_t*)receiveBuf, client->available());
+ if (receiveBuf[0] == 'G' && receiveBuf[1] == 'E' && receiveBuf[2] == 'T') {
+ printf("\r\n-------------------------------------------------------\r\n");
+ printf("GET request received from a client with IP address %s\n\r", client->getpeername());
+ printf("%s\r\n", receiveBuf);
+ sprintf
+ (
+ echoHeader,
+ "HTTP/1.1 200 OK\r\nContent-Length: %d\r\nContent-Type: text\r\nConnection: About to close\r\n\r\n",
+ receiveLen
+ );
+ client->send((uint8_t*)echoHeader, strlen(echoHeader));
+ client->send((uint8_t*)receiveBuf, receiveLen);
+ printf("Echo done.\r\n");
}
}
+
+ client->close();
}
}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Fri Aug 30 14:14:59 2019 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#1bf6b20df9d3cd5f29f001ffc6f0d0fcbbb96118
--- a/mbed.bld Fri Jun 30 19:57:05 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -https://mbed.org/users/mbed_official/code/mbed/builds/64910690c574 \ No newline at end of file