Revision 8:54dd4a3d0de9, committed 2012-10-05

Comitter:

cmulady

Date:

Fri Oct 05 13:02:52 2012 +0000

Parent:

7:c9ff6b5c8507

Child:

9:3e4e9d6a8ad8

Commit message:

Finally integrated serial interrupts with OS. Will clean up code, then start writing queue library and IRxmit library.

Changed in this revision

--- a/main.cpp	Fri Oct 05 12:05:01 2012 +0000
+++ b/main.cpp	Fri Oct 05 13:02:52 2012 +0000
@@ -35,8 +35,9 @@
 char irdatOUT[10];
 char irdatIN[10];
 char error_code=0;
-Thread* threadptr_donothing;
+Thread* threadptr_irstuff;
 DataQueue RX_DataBuffer(1,100);
+bool rx_data_available = false;
 
 //Function Prototypes
 void BlinkAlive(void const* arguments);
@@ -60,7 +61,7 @@
 
     //Serial init
     device.baud(2400);
-    //device.attach(&ISR_UARTRX,Serial::RxIrq);
+    device.attach(&ISR_UARTRX,Serial::RxIrq);
 
     //PC serial init
     pc.baud(19200);
@@ -71,7 +72,7 @@
     Thread thread_updatelcd(UpdateLCD);
     Thread thread_irstuff(IRStuff);
     Thread thread_donothing(DoNothing);
-    threadptr_donothing = &thread_donothing;
+    threadptr_irstuff = &thread_irstuff;
 
 
 
@@ -112,7 +113,7 @@
 void IRStuff(void const* arguments)
 {
     while(true) {
-        error_code = CheckPacket(irdatIN,2);
+        //error_code = CheckPacket(irdatIN,2);
 
         /*while(device.readable()) {
             char tempdata = device.getc();
@@ -122,17 +123,18 @@
 
         //pc.printf("UART_STATE: 0x%08X",*((unsigned int *)0x400FC0C4));
 
+        if(rx_data_available) {
+        if(irdatIN[0]==0x2) pc.printf("\n");
+            pc.printf("0x%02X.",irdatIN[0]);
+            //pc.printf("0x%02X.",irdatIN[1]);
+            //pc.printf("0x%02X.",irdatIN[2]);
+            //pc.printf("0x%02X.\n",irdatIN[3]);
+            rx_data_available = false;
+        }
 
-        /*pc.printf("any data?\n");
-        while(RX_DataBuffer.GetNumberOfItems())
-        {
-            char* data;
-            RX_DataBuffer.Get(data);
-            pc.printf("0x%02X.",*data);
-        }*/
 
         //pc.printf("\n\nE=0x%02X\n\n",error_code);
-        if(error_code==0x0) {
+        /*if(error_code==0x0) {
             pc.printf("0x%02X.",irdatIN[1]);
             Thread::wait(10);
         } else if(error_code==0x2) {
@@ -140,7 +142,8 @@
             Thread::wait(10);
         } else {
             Thread::wait(10);
-        }
+        }*/
+        Thread::signal_wait(0x1);
     }
 
 }
@@ -153,6 +156,7 @@
         irdatOUT[0] = 0xA5;
         irdatOUT[1] = ++irdata_out;
         MakePacket(irdatOUT,2);
+        //pc.printf("UART_STATE: 0x%08X",*((unsigned int *)0x40010014));
 
         Thread::wait(20);
     }
@@ -165,7 +169,7 @@
     device.putc(0x02);
     //pc.printf("0x%02X.",0x02);
     for(int i=0; i<len; i++) {
-        check^=data[i];
+        check+=data[i];
         device.putc(data[i]);
         //pc.printf("0x%02X.",data[i]);
     }
@@ -199,6 +203,7 @@
     //STX recieved
     if(tempdata!=0x02) {
         if(tempdata==0xFF) pc.printf("found bad data: 0x%02X",tempdata);
+        pc.printf("UART_STATE: 0x%08X",*((unsigned int *)0x40010014));
         return 0x1; //bad start byte
     }
 
@@ -209,7 +214,7 @@
         //if(t.read_ms()>=UART_TIMEOUT)
         //    return 0x3; //timeout error
         data[i] = device.getc();
-        check ^= data[i];
+        check += data[i];
     }
     //Get Checksum
     while(!device.readable());
@@ -235,15 +240,28 @@
 void ISR_UARTRX(void)
 {
     uint32_t RBR = LPC_UART1->RBR;
-    char data = (char)RBR;
-    RX_DataBuffer.Put(&data);
-    //pc.printf("!");
+    irdatIN[0] = 0;
+    irdatIN[1] = 0;
+    irdatIN[2] = 0;
+    irdatIN[3] = 0;
 
-    while(device.readable()) {
+    irdatIN[0] = (char)RBR;
+    /*if(device.readable())
+        irdatIN[1] = (char) LPC_UART1->RBR;
+    if(device.readable())
+        irdatIN[2] = (char) LPC_UART1->RBR;
+    if(device.readable())
+        irdatIN[3] = (char) LPC_UART1->RBR;
+        */
+
+    rx_data_available = true;
+    (*threadptr_irstuff).signal_set(0x1);
+
+
+    /*while(device.readable()) {
         char data = device.getc();
-        RX_DataBuffer.Put(&data);
         //pc.printf("*");
-    }
+    }*/
 
 }