Revision 4:eec728094dbc, committed 2016-03-09

Comitter:

Ricky_Kwon

Date:

Wed Mar 09 08:23:53 2016 +0000

Parent:

3:30b262b6c2f9

Child:

5:709f1ad85e97

Commit message:

simple

Changed in this revision

--- a/main.cpp	Wed Mar 09 08:15:23 2016 +0000
+++ b/main.cpp	Wed Mar 09 08:23:53 2016 +0000
@@ -1,26 +1,9 @@
 #include "mbed.h"
 #include "EthernetInterface.h"
 
-#define DHCP 1
-
-uint8_t mac_addr[6] = {0x00, 0x08, 0xdc, 0x12, 0x34, 0x45};
-const char ip_addr[] = "xxx.xxx.xxx.xxx"; 
-const char mask_addr[] = "xxx.xxx.xxx.xxx"; 
-const char gateway_addr[] = "xxx.xxx.xxx.xxx"; 
-
-const char* Target_addr = "192.168.0.2";
-const int Target_port = 10000;
-char* test=NULL;
-
 SPISlave slave(PA_8, PA_7, PA_6, PA_5); // mosi, miso, sclk, ssel
  
 int main() {
-
-    char txbuf[256]={0,};
-    char rxbuf[256]={0,};
-    int i, n, close_cnt, length, send_flag=0, cnt_flag=0, send_cnt=0;
-    int slave_h=0;
-
     printf("SPI to Ethernet Slave\r\n");
   
     /*
@@ -28,94 +11,13 @@
     */
     slave.format(8,3);
     slave.frequency(1000000);
-    /*
-    * Network Setting
-    */
-    printf("Wait a second...\r\n");
-    EthernetInterface eth;
-    #if DHCP==1
-        printf("Network Setting DHCP\r\n");
-        eth.init(mac_addr); 
-    #else
-        printf("Network Setting Static\r\n");
-        eth.init(mac_addr, ip_addr, mask_addr, gateway_addr);
-    #endif
-    eth.connect();
-    printf("IP Address is %s\r\n", eth.getIPAddress());
+
     while(1) 
     { 
-        printf("Check Ethernet Link\r\n");
-        if(eth.link() == true)
-        {
-            printf("Link up\r\n");
-            break;
-        }
-    }
-    
-    /*
-    * Create Client Socket and Connecting
-    */
-    TCPSocketConnection socket;
-    while(1)
-    {       
-        while (socket.connect(Target_addr, Target_port) < 0) 
-        {
-            printf("Unable to connect to (%s) on port (%d)\r\n", Target_addr, Target_port);
-            wait(1);
-        }
-        printf("Connected to Server at %s\r\n",Target_addr);
-        
-        while(1)
+        if(slave.receive()) 
         {
-            n = socket.receive(txbuf, sizeof(txbuf));
-            printf("n = %d\r\n", n);
-            if(slave.receive())
-            {
-                slave_h = slave.read();
-                printf("slave_h = char:%c, dec:%d, hex:%x\r\n", slave_h, slave_h, slave_h);
-                
-                if(slave_h==0x55)
-                {
-                    printf("check loop slave_h if\r\n");
-                    if(n > 0)
-                    {
-                        printf("check loop n if\r\n");
-                        slave.reply(0x55);
-                        cnt_flag = 1;
-                    }
-                    else
-                    {
-                        slave.reply(0x00);
-                    }
-                }
-                else if((slave_h==0x01)&&(cnt_flag==1))   
-                {
-                    printf("check loop slave_h + cnt_flag if\r\n");
-                    slave.reply(n);
-                    cnt_flag = 0;
-                    send_flag = 1;
-                }
-                else
-                {
-                    printf("else\r\n");
-                    test = (char*)slave_h;
-                    socket.send(test, 1);
-                } 
-                
-                if(send_flag)
-                {
-                    printf("send_flag\r\n");
-                    slave.reply(txbuf[send_cnt]);
-                    send_cnt++;
-                    printf("send_cnt = char:%c, dec:%d, hex:%x\r\n", send_cnt, send_cnt, send_cnt);
-                    if(send_cnt==n)
-                    {
-                           printf("send_cnt\r\n");
-                           send_cnt=0;
-                           send_flag=0;      
-                    }
-                }      
-            }
+            int SPI_re = slave.read();   // Read byte from master
+            printf("SPI_re=%c\r\n",SPI_re);
         }
     }
 }
\ No newline at end of file