STC micro STC8A8K64D4 Series - Page 426

STC8A8K64D4 Series Manual
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sfr T4T3M = 0xd1;
sfr T4L = 0xd3;
sfr T4H = 0xd2;
sfr T3L = 0xd5;
sfr T3H = 0xd4;
sfr T2L = 0xd7;
sfr T2H = 0xd6;
sfr S3CON = 0xac;
sfr S3BUF = 0xad;
sfr IE2 = 0xaf;
sfr P0M1 = 0x93;
sfr P0M0 = 0x94;
sfr P1M1 = 0x91;
sfr P1M0 = 0x92;
sfr P2M1 = 0x95;
sfr P2M0 = 0x96;
sfr P3M1 = 0xb1;
sfr P3M0 = 0xb2;
sfr P4M1 = 0xb3;
sfr P4M0 = 0xb4;
sfr P5M1 = 0xc9;
sfr P5M0 = 0xca;
bit busy;
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);