IPC@CHIP Documentation - SC12 @CHIP-RTOS V1.10

void huge my_putstr(char * pch, int n)
{
//.......
}
void install_mystdio_channel(void)
{
union REGS inregs;
union REGS outregs;
struct SREGS sregs;
}
user_stdio_funcs.user_kbhit = my_kbhit;
user_stdio_funcs.user_getch = my_getch;
user_stdio_funcs.user_putch = my_putch;
user_stdio_funcs.user_putstr = my_putstr;
inregs.h.ah=0x35;
sregs.es =FP_SEG(&user_stdio_funcs);
inregs.x.di=FP_OFF(&user_stdio_funcs);
int86x(0xA0,&inregs,&outregs,&sregs);
void remove_mystdio_channel(void)
{
union REGS inregs;
union REGS outregs;
struct SREGS sregs;
}
inregs.h.ah=0x35;
sregs.es = 0;
inregs.x.di= 0;
int86x(0xA0,&inregs,&outregs,&sregs);
unsigned int set_stdio_channel(unsigned int channels)
{
union REGS inregs;
union REGS outregs;
}
inregs.h.ah=0x33;
inregs.h.al=3; //set both: stdin and stdout
inregs.x.bx = channels;
int86(0xA0,&inregs,&outregs);
return outregs.x.ax;
int main(void)
{
//......
install_mystdio_channel();
set_stdio_channel(0x0E); // COM,TELNET,USER
//....
}
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// at the end of the program
set_stdio_channel(0x06); // COM,TELNET
remove_mystdio_channel():
Interrupt 0xA0 service 0x36: Install a System Server Connection Handler function
Installs a user specific System Server Connection Handler function.
The handler function will be called if a client establishes a connection. This functions allows application programmers to implement
their own callback functions for controlling access to the default @CHIP-RTOS servers.
Parameters
AH
Must be 0x36.
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