Diff: main.cpp

Revision:

4:d461cadeb702

Parent:

3:7cdb20aac969

Child:

5:ad4e5a078834

--- a/main.cpp	Sat Aug 03 12:24:10 2019 +0000
+++ b/main.cpp	Sat Aug 03 12:56:38 2019 +0000
@@ -8,7 +8,6 @@
 DigitalOut myled(LED1);
 
 int nCharTx = 0;
-int nCharRx = 0;
 
 uint8_t ArrTx[ArrTxSize] = {0x20,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4A,0x4b,0x4c,0x4d,0x4e,0x4f};
 uint8_t ArrRx[ArrRxSize] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
@@ -24,23 +23,23 @@
         }
     }
 
-void CopyUint8(uint8_t *src = &ArrRx[0], uint8_t *dst = &ArrTx[0], int qty = ArrTxSize){
+void CopyMemUint8(uint8_t *src = &ArrRx[0], uint8_t *dst = &ArrTx[0], int qty = ArrTxSize){
     for ( ; qty > 0; src++,dst++,qty-- ) *dst = *src;
     }
+    
+uint8_t *pArrRx = &ArrRx[0];
 
 void IntrRx() {
-    ArrRx[nCharRx++] = pc.getc();
-    if (nCharRx >= ArrRxSize ) {
-        CopyUint8();
+    *pArrRx = pc.getc();
+    if (pArrRx++ >= &ArrRx[ArrRxSize-1] ) {
+        pArrRx = &ArrRx[0];
+        CopyMemUint8();
         nCharTx = 0;
         pc.putc(ArrTx[nCharTx]);                          
         pc.attach(&IntrTx, Serial::TxIrq);
-        nCharRx = 0;
         myled=1;  
         }
-
     }
-    
 
 int main() {
             pc.attach(&IntrRx, Serial::RxIrq);