Edoardo De Marchi
Program for test the tcp/ip communication between mbed and Android phone
Dependencies: EthernetInterface mbed-rtos mbed
Notebook page HERE
Revision 0:149b394928f3, committed 2016-07-20
- Comitter:
- edodm85
- Date:
- Wed Jul 20 20:24:15 2016 +0000
- Commit message:
- First commit
Changed in this revision
diff -r 000000000000 -r 149b394928f3 EthernetInterface.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetInterface.lib Wed Jul 20 20:24:15 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/mbed_official/code/EthernetInterface/#183490eb1b4a
diff -r 000000000000 -r 149b394928f3 eth_status.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eth_status.h Wed Jul 20 20:24:15 2016 +0000
@@ -0,0 +1,54 @@
+#include "lpc_phy.h"
+
+/** \brief DP83848 PHY status definitions */
+#define DP8_REMOTEFAULT (1 << 6) /**< Remote fault */
+#define DP8_FULLDUPLEX (1 << 2) /**< 1=full duplex */
+#define DP8_SPEED10MBPS (1 << 1) /**< 1=10MBps speed */
+#define DP8_VALID_LINK (1 << 0) /**< 1=Link active */
+
+
+ // This function returns the current status of connection.
+static bool get_link_status()
+{
+ u32_t tmp = lpc_mii_read_data();
+ return (tmp & DP8_VALID_LINK) ? true : false;
+}
+
+ // This function returns the status of transmission.
+static char* get_transmission_status()
+{
+ u32_t tmp = lpc_mii_read_data();
+ if(tmp & DP8_FULLDUPLEX)
+ {
+ return "FULL DUPLEX";
+ }else
+ {
+ return "HALF DUPLEX";
+ }
+}
+
+ // This function returns the speed of the connection.
+static int get_connection_speed()
+{
+ u32_t tmp = lpc_mii_read_data();
+ return (tmp & DP8_SPEED10MBPS) ? 10 : 100;
+}
+
+ // This function returns the current value in the MII data register.
+static u32_t mii_read_data()
+{
+ return lpc_mii_read_data(); // 16-bit MRDD - address 0x2008 4030
+ // 16661 = 100000100010101 (full duplex - 100Mbps) // 16659 = 100000100010011 (half duplex - 10Mbps)
+}
+
+
+/*
+// Starts a read operation via the MII link (non-blocking)
+u32_t lpc_mii_read_data(void)
+{
+ u32_t data = LPC_EMAC->MRDD;
+ LPC_EMAC->MCMD = 0;
+
+ return data;
+}
+*/
diff -r 000000000000 -r 149b394928f3 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Jul 20 20:24:15 2016 +0000
@@ -0,0 +1,109 @@
+/*
+ * Author: Edoardo De Marchi
+ * Date: 20/07/16
+ * Notes: Test ethernet server (for Android connection)
+*/
+
+#include "main.h"
+
+
+
+int Init()
+{
+ led1 = 0;
+ led2 = 0;
+ led3 = 0;
+ led4 = 0;
+
+
+ // ETHERNET
+ eth.init(ip, mask, gateway);
+ eth.connect();
+ server.bind(ECHO_SERVER_PORT);
+ server.listen(1);
+ pc.printf("IP Address is %s\r\n", eth.getIPAddress());
+
+ pc.printf("%s - speed: %d Mbps\n", get_transmission_status(), get_connection_speed());
+
+ // THREAD
+ osThreadCreate(osThread(net_thread), NULL);
+
+ return 0;
+}
+
+
+
+
+int main (void)
+{
+ bool eth_status = false;
+ bool eth_status_temp = true;
+
+ Init();
+
+ while (true)
+ {
+ if(!get_link_status())
+ {
+ eth_status = true;
+ }else
+ {
+ eth_status = false;
+ eth_status_temp = true;
+ led1 = 0;
+ }
+
+ if(eth_status == eth_status_temp)
+ {
+ eth_status_temp = !eth_status;
+ pc.printf("Check cable connection\r\n");
+ led1 = 1;
+ eth_status = false;
+ if(checketh)
+ {
+ client.close();
+ pc.printf("Connection close.\r\n");
+ checketh = false;
+ }
+ }
+ led2 = !led2;
+ osDelay(500);
+ }
+}
+
+
+void net_thread(void const *argument)
+{
+ while (true)
+ {
+ led3 = 1;
+ server.accept(client);
+ checketh = true;
+ pc.printf("Connection from: %s\r\n", client.get_address());
+ while (true)
+ {
+ led3 = 0;
+ int n = client.receive(bufferRX, sizeof(bufferRX)); // ritorna il numero di byte spediti
+ if (n <= 0) break;
+
+ bufferRX[n]=0; // make terminater
+ parse_cmd(n);
+ }
+ checketh = false;
+ client.close();
+ pc.printf("Connection close.\r\n");
+ }
+}
+
+
+void parse_cmd(int sizeCMD)
+{
+ new_send = false;
+ printf("cmd << %s\r\n", bufferRX);
+
+ sprintf(bufferTX, "CMD Received\r\n");
+ client.send_all(bufferTX, sizeof(bufferTX));
+
+ memset(bufferTX, 0, sizeof(bufferTX));
+ memset(bufferRX, 0, sizeof(bufferRX));
+}
\ No newline at end of file
diff -r 000000000000 -r 149b394928f3 main.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.h Wed Jul 20 20:24:15 2016 +0000 @@ -0,0 +1,48 @@ +#pragma once +#include "mbed.h" +#include "EthernetInterface.h" +#include "eth_status.h" + + +#define ECHO_SERVER_PORT 2000 + + +bool new_send = false; +bool checketh = false; + +DigitalOut led1(LED1); // broken cable +DigitalOut led2(LED2); // ARM is alive? +DigitalOut led3(LED3); // 0 = established connection +DigitalOut led4(LED4); // + + +Serial pc(USBTX, USBRX); + + +//ETHERNET +char* ip = "192.168.153.153"; // ip +char* mask = "255.255.255.0"; // mask +char* gateway = "192.168.153.254"; // gateway +EthernetInterface eth; +TCPSocketConnection client; +TCPSocketServer server; + + +//ETHERNET BUFFER +char bufferRX[20]; +char bufferTX[4800]; + +//RESET +extern "C" void mbed_reset(); + + + +//THREAD +void net_thread(void const *argument); +osThreadId tencid; +osThreadDef(net_thread, osPriorityNormal, DEFAULT_STACK_SIZE); + + + +//FUNCTION +void parse_cmd(int sizeCMD);
diff -r 000000000000 -r 149b394928f3 mbed-rtos.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Wed Jul 20 20:24:15 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#4c105b8d7cae
diff -r 000000000000 -r 149b394928f3 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Jul 20 20:24:15 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/6c34061e7c34 \ No newline at end of file