64 lines
1.2 KiB
C++
64 lines
1.2 KiB
C++
#ifdef CHANGED
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#include "copyright.h"
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#include "system.h"
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#include "consoledriver.h"
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#include "synch.h"
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static Semaphore *readAvail;
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static Semaphore *writeDone;
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static void ReadAvailHandler(void *arg) { (void) arg; readAvail->V(); }
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static void WriteDoneHandler(void *arg) { (void) arg; writeDone->V(); }
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ConsoleDriver::ConsoleDriver(const char *in, const char *out)
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{
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readAvail = new Semaphore("read avail", 0);
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writeDone = new Semaphore("write done", 0);
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console = new Console (in, out, ReadAvailHandler, WriteDoneHandler, NULL);
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}
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ConsoleDriver::~ConsoleDriver()
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{
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delete console;
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delete writeDone;
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delete readAvail;
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}
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void ConsoleDriver::PutChar( int ch)
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{
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console->TX(ch);
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writeDone->P();
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}
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int ConsoleDriver::GetChar()
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{
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readAvail->P();
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int ch = console->RX();
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return ch;
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}
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void ConsoleDriver::PutString(const char s[MAX_STRING_SIZE])
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{
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int i;
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for (i = 0; i < MAX_STRING_SIZE; i++){
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if (*(s+i) =='\0'){
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return;
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}
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PutChar(*(s+i));
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}
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}
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void ConsoleDriver::GetString(char * s, int n)
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{
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int i;
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for ( i = 0; i < n - 1; i++){
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char c = GetChar();
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if ( c == '\0' || c == '\n' || c == EOF) {
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break;
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}
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*(s+i) = c;
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}
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*(s+i) = '\0';
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}
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#endif // CHANGED
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