Diff: main.cpp

Revision:

3:feec15e3bb27

Parent:

2:34bd7b8d30f9

Child:

4:1b4fc2571fd4

--- a/main.cpp	Fri Mar 27 20:16:45 2015 +0000
+++ b/main.cpp	Wed Mar 09 08:14:30 2016 +0000
@@ -1,42 +1,101 @@
-/* mbed Example Program
- * Copyright (c) 2006-2014 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include "mbed.h"
- 
-SPI spi(p5, p6, p7); // mosi, miso, sclk
-DigitalOut cs(p8);
- 
-int main() {
-    // Chip must be deselected
-    cs = 1;
-
-    // Setup the spi for 8 bit data, high steady state clock,
-    // second edge capture, with a 1MHz clock rate
-    spi.format(8,3);
-    spi.frequency(1000000);
- 
-    // Select the device by seting chip select low
-    cs = 0;
- 
-    // Send 0x8f, the command to read the WHOAMI register
-    spi.write(0x8F);
- 
-    // Send a dummy byte to receive the contents of the WHOAMI register
-    int whoami = spi.write(0x00);
-    printf("WHOAMI register = 0x%X\n", whoami);
- 
-    // Deselect the device
-    cs = 1;
-}
\ No newline at end of file
+#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 = 10001;
+
+SPI master(PA_8, PA_7, PA_6, PA_5); // mosi, miso, sclk
+ 
+int main() {
+
+    char txbuf[256]={0,};
+    char rxbuf[256]={0,};
+    int i, n, closecount, slave_h, length;
+
+    printf("SPI to Ethernet Master\r\n");
+    
+    /*
+    * SPI Setting
+    */
+    master.format(8,3);
+    master.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)
+        {
+            
+            n = socket.receive(txbuf, sizeof(txbuf));
+            printf("n = %d\r\n", n);
+            slave_h = master.write(0x55);
+            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");
+                length = master.write(0x01);
+                printf("length = char:%c, dec:%d, hex:%x\r\n", length, length, length);
+                for(i=0; i<length; i++)
+                {
+                    rxbuf[i]=master.write(0x00);
+                    printf("rxbuf[%d] = char:%c, dec:%d, hex:%x\r\n", i, rxbuf[i], rxbuf[i], rxbuf[i]);
+                }      
+                socket.send(rxbuf, strlen(rxbuf));
+            }
+            if(n > 0)
+            {
+                printf("check loop n if\r\n");
+                for(i=0; i<n; i++)
+                {
+                    master.write(txbuf[i]);
+                    printf("check loop for\r\n");
+                }
+                memset(txbuf, 0, strlen(txbuf));
+                closecount=0;
+            }
+        }
+    }
+}
+
+