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int86(0x33,®s,®s);
}
00 Set Communication parameters
Entry Parameters: AH = 0 BIT #
76543210
AL = bit 0 xxxxxxx0 7 data bits
xxxxxxx1 8 data bits
bit 1 xxxxxx0x 1 stop bit
xxxxxx1x 2 stop bits
bit 2-3 xxxx00xx NONE parity
xxxx01xx ODD parity
xxxx11xx EVEN parity
bit 4-7 0000xxxx 110 baud rate
0001xxxx 150 baud rate
0010xxxx 300 baud rate
0011xxxx 600 baud rate
0100xxxx 1200 baud rate
0101xxxx 2400 baud rate
0110xxxx 4800 baud rate
0111xxxx 9600 baud rate
1000xxxx 19200 baud rate
1001xxxx 38400 baud rate
Return Values: None
void TC_485_parameter(long baud,int parity,int stop,int data)
{
unsigned char cc=0;
unsigned int i_baud;
i_baud = (int)(baud / 10L);
switch (i_baud)
{
case 11 : cc=0x00; break;
case 15 : cc=0x10; break;
case 30 : cc=0x20; break;
case 60 : cc=0x30; break;
case 120 : cc=0x40; break;
case 240 : cc=0x50; break;
case 480 : cc=0x60; break;
case 1920 : cc=0x80; break;
case 3840 : cc=0x90; break;