1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
#include <iostream>
using namespace std;
#include "gtest.h"
#include "avrdevice.h"
#include "atmega128.h"
#include "systemclock.h"
#include "pin.h"
TEST( SESSION_IO_PIN, OPEN_DRAIN1 )
{
AvrDevice *dev1= new AvrDevice_atmega128;
dev1->Load("session_io_pin/tc1.atmega128.o");
dev1->SetClockFreq(136); // 7.3728
dev1->RegisterTerminationSymbol("stopsim");
SystemClock::Instance().Add(dev1);
Net net;
OpenDrain driveOpenDrain( dev1->GetPin("B2"));
net.Add( &driveOpenDrain );
net.Add( dev1->GetPin("B3")); // read behind the open drain transistor circuit
Pin extPullUp(Pin::PULLUP); //create a pull up
net.Add( &extPullUp );
// set all other pins to defined value
Net net2;
net2.Add( dev1->GetPin("B0"));
net2.Add( dev1->GetPin("B1"));
net2.Add( dev1->GetPin("B4"));
net2.Add( dev1->GetPin("B5"));
net2.Add( dev1->GetPin("B6"));
net2.Add( dev1->GetPin("B7"));
Pin extPullDown(Pin::PULLDOWN); // create a pull down
net2.Add( &extPullDown);
SystemClock::Instance().Endless();
EXPECT_EQ(0x08, (unsigned char)(*(dev1->rw[17]))) << "wrong value read back from PORTB R17" << endl;
EXPECT_EQ(0x04, (unsigned char)(*(dev1->rw[18]))) << "wrong value read back from PORTB R18" << endl;
}
|
