STC micro STC8A8K64D4 Series - Page 373

STC8A8K64D4 Series Manual
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char wptr;
char rptr;
char buffer[16];
void Uart3Isr() interrupt 17
{
if (S3CON & 0x02)
{
S3CON &= ~0x02;
busy = 0;
}
if (S3CON & 0x01)
{
S3CON &= ~0x01;
buffer[wptr++] = S3BUF;
wptr &= 0x0f;
}
}
void Uart3Init()
{
S3CON = 0x50;
T3L = BRT;
T3H = BRT >> 8;
T4T3M = 0x0a;
wptr = 0x00;
rptr = 0x00;
busy = 0;
}
void Uart3Send(char dat)
{
while (busy);
busy = 1;
S3BUF = dat;
}
void Uart3SendStr(char *p)
{
while (*p)
{
Uart3SEND(*p++);
}
}
void main()
{
P0M0 = 0x00;
P0M1 = 0x00;
P1M0 = 0x00;
P1M1 = 0x00;
P2M0 = 0x00;
P2M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
P4M0 = 0x00;
P4M1 = 0x00;
P5M0 = 0x00;