STC micro STC8A8K64D4 Series Reference Manual page 362

STC8A8K64D4 Series Manual
sfr P2M1 =
sfr P2M0 =
sfr P3M1 =
sfr P3M0 =
sfr P4M1 =
sfr P4M0 =
sfr P5M1 =
sfr P5M0 =
bit busy;
char wptr;
char rptr;
char buffer[16];
void Uart4Isr() interrupt 18
{
if (S4CON & 0x02)
{
S4CON &= ~0x02;
busy = 0;
}
if (S4CON & 0x01)
{
S4CON &= ~0x01;
buffer[wptr++] = S4BUF;
wptr &= 0x0f;
}
}
void Uart4Init()
{
S4CON = 0x10;
T2L = BRT;
T2H = BRT >> 8;
AUXR = 0x14;
wptr = 0x00;
rptr = 0x00;
busy = 0;
}
void Uart4Send(char dat)
{
while (busy);
busy = 1;
S4BUF = dat;
}
void Uart4SendStr(char *p)
{
while (*p)
{
Uart4SEND(*p++);
}
}
void main()
{
P0M0 = 0x00;
0x95;
0x96;
0xb1;
0xb2;
0xb3;
0xb4;
0xc9;
0xca;
- 346 -