Diff: main.cpp

Revision:

8:46bd5776b6ae

Parent:

7:b09eade395f7

Child:

9:32e3edb40824

--- a/main.cpp	Thu Mar 10 02:12:58 2016 +0000
+++ b/main.cpp	Thu Mar 10 05:21:42 2016 +0000
@@ -15,8 +15,20 @@
 SPISlave slave(PA_8, PA_7, PA_6, PA_5); // mosi, miso, sclk, ssel
  
 int main() {
-    int SpiData=0;
-    char EthTx[1];
+    
+    /**(volatile uint32_t *)(0x41001014) = 0x0060100;
+    *(volatile uint32_t *)(0x41003000) = 0x10;
+    *(volatile uint32_t *)(0x41003004) = 0x10;
+    *(volatile uint32_t *)(0x41003008) = 0x10;
+    *(volatile uint32_t *)(0x41003080) = 0x10;
+    *(volatile uint32_t *)(0x41003098) = 0x10;*/
+    
+    int SPI_Data=0;
+    int SPI_Send_Cnt=0;
+    int Length=0;
+    char Eth_Receive_Check_Flag = 1;
+    char EthTx[1]={0};
+    char EthRx[256]={0,};
 
     printf("SPI to Ethernet Slave\r\n");
   
@@ -48,6 +60,7 @@
             break;
         }
     }
+    
     /*
     * Create Client Socket and Connecting
     */
@@ -63,11 +76,59 @@
         
         while(1)
         {
+            if(Eth_Receive_Check_Flag==1)
+            {
+                printf("a");
+                Length = socket.receive(EthRx, sizeof(EthRx));
+                if(Length>0)
+                {
+                    printf("b");
+                    Eth_Receive_Check_Flag = 0;                       
+                }
+            }
             if(slave.receive())
             {
-                SpiData = slave.read();
-                EthTx[0] = SpiData;
-                socket.send(EthTx, 1);   
+                SPI_Data = slave.read();
+                switch(SPI_Data)
+                {
+                    case 0x80:
+                        printf("c");
+                        if(!Eth_Receive_Check_Flag)
+                        {
+                            printf("d");
+                            slave.reply(0x80);
+                        }
+                        else
+                        {
+                            printf("e");
+                            slave.reply(0x87);
+                        }
+                        break;
+                    case 0x81:
+                        printf("f");
+                        slave.reply(Length); 
+                        break;
+                    case 0x82:
+                        if(SPI_Send_Cnt!=Length)
+                        {
+                            printf("g");
+                            slave.reply(EthRx[SPI_Send_Cnt]); 
+                            SPI_Send_Cnt++;
+                        }
+                        else
+                        {
+                            printf("h");
+                            SPI_Send_Cnt = 0;
+                            Eth_Receive_Check_Flag = 1;                      
+                        }
+                        break;
+                    default:
+                        printf("i");
+                        EthTx[0] = SPI_Data;
+                        socket.send(EthTx, 1); 
+                        break;
+                            
+                }
             }
         }
     }