Hardwaresimulation auf dem PC
Diff: VH.cpp
- Revision:
- 0:9e2e2be03c7a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/VH.cpp Mon Feb 28 12:14:02 2022 +0000
@@ -0,0 +1,141 @@
+#include "VH.h"
+
+char VH::gibZeichen(void)
+{
+ char c;
+ while (serial_port->readable()==false);
+ serial_port->read(&c, 1);
+ return c;
+}
+
+void VH::setZeichen(char c)
+{
+ while (serial_port->writable()==false);
+ serial_port->write(&c, 1);
+}
+void VH::eingabe(void)
+ { int i=0, pudr;
+ while(1)
+ {
+ i=0;
+ if (serial_port->readable()) { // Chars received?
+ serial_port->read(buffer+i, 1);
+ switch (buffer[0])
+ {
+ case 14:
+ i++;
+ buffer[i]=gibZeichen();
+ i++;
+ buffer[i]=gibZeichen();
+ break;
+ //9, 1, 2, 3 Input in PUDR
+ case 9: //Setze Port P0 => PortA Low
+ i++;
+ buffer[i]=gibZeichen();
+ pudr=0;
+ for (int j=0;j<8;j++)
+ {
+ pudr=pudr<<2;
+ if ((buffer[i]&(1<<(7-j)))!=0) pudr|=0b01; else pudr|=0b10;
+ }
+ pudr&=~0b11110011;
+ GPIOA->PUPDR=(GPIOA->PUPDR&0xFFFF00F3)|pudr;
+ break;
+ case 1: //Setze Port P1 => PortC Low
+ i++;
+ buffer[i]=gibZeichen();
+ pudr=0;
+ for (int j=0;j<8;j++)
+ {
+ pudr=pudr<<2;
+ if ((buffer[i]&(1<<(7-j)))!=0) pudr|=0b01; else pudr|=0b10;
+ }
+ GPIOC->PUPDR=(GPIOC->PUPDR&0xFFFF0000)|pudr;
+ break;
+ case 2: //Setze Port P2 => PortB Low
+ i++;
+ buffer[i]=gibZeichen();
+ pudr=0;
+ for (int j=0;j<8;j++)
+ {
+ pudr=pudr<<2;
+ if ((buffer[i]&(1<<(7-j)))!=0) pudr|=0b01; else pudr|=0b10;
+ }
+ GPIOB->PUPDR=(GPIOB->PUPDR&0xFFFF0000)|pudr;
+ break;
+ case 3: //Setze Port P3 => PortA High
+ i++;
+ buffer[i]=gibZeichen();
+ pudr=0;
+ for (int j=0;j<8;j++)
+ {
+ pudr=pudr<<2;
+ if ((buffer[i]&(1<<(7-j)))!=0) pudr|=0b01; else pudr|=0b10;
+ }
+ pudr&=~0b0000111100000000;
+ GPIOA->PUPDR=(GPIOA->PUPDR&0x0F00FFFF)|pudr<<16;
+ break;
+ case 8: //lese P0
+ break;
+ case 5: //lese P1 (PortC)
+ break;
+ case 6: //lese P2
+ break;
+ case 7: //lese P3
+ break;
+ }
+
+ ausgabe(buffer[0]);
+ }
+ }
+ }
+ void VH::ausgabe(char nr)
+ {
+
+ a=buffer[0];
+ b=buffer[1];
+ c=buffer[2];
+ switch(nr)
+ {
+ case 14:
+
+ outbuffer[0]=14;
+ outbuffer[1]=1;
+ outbuffer[3]=0;
+ for (int i=0; i<3;i++) setZeichen(outbuffer[i]);
+ break;
+ case 9: //Setze Port P0 => PortA Low
+ case 1: //Setze Port P1 => PortC Low
+ case 2: //Setze Port P2 => PortB Low
+ case 3: //Setze Port P3 => PortA High
+ for (int i=0; i<2;i++) setZeichen(buffer[i]);
+ break;
+ case 8: //lese P0 = PortA Low
+ outbuffer[0]=buffer[0];
+ outbuffer[1]=GPIOA->IDR&0xFF;
+ for (int i=0; i<2;i++) setZeichen(outbuffer[i]);
+ break;
+ case 5: //lese P1 = PortC Low
+ outbuffer[0]=buffer[0];
+ outbuffer[1]=GPIOC->ODR&0xFF;
+ for (int i=0; i<2;i++) setZeichen(outbuffer[i]);
+ break;
+ case 6: //lese P2 = PortB Low
+ outbuffer[0]=buffer[0];
+ outbuffer[1]=GPIOB->IDR&0xFF;
+ for (int i=0; i<2;i++) setZeichen(outbuffer[i]);
+ break;
+ case 7: //lese P3 = PortA High
+ outbuffer[0]=buffer[0];
+ outbuffer[1]=(GPIOA->IDR>>8)&0xFF;
+ for (int i=0; i<2;i++) setZeichen(outbuffer[i]);
+ break;
+
+ }
+ }
+ VH::VH(void)
+ {
+ serial_port=new BufferedSerial(USBTX, USBRX);
+ warteAufEingabe=new Thread();
+ warteAufEingabe->start(callback(this,&VH::eingabe));
+ }
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