STC micro STC8A8K64D4 Series - Page 477

STC8A8K64D4 Series Manual
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void UartInit()
{
SCON = 0x5a;
T2L = BRT;
T2H = BRT >> 8;
AUXR = 0x15;
}
void UartSend(char dat)
{
while (!TI);
TI = 0;
SBUF = dat;
}
void IapIdle()
{
IAP_CONTR = 0; //Disable IAP function
IAP_CMD = 0; //Clear command register
IAP_TRIG = 0; //Clear trigger register
IAP_ADDRH = 0x80; //Set the address to a non-IAP area
IAP_ADDRL = 0;
}
char IapRead(int addr)
{
char dat;
IAP_CONTR = 0x80; //Enable IAP
IAP_TPS = 12; //Set the erasing wait parameter of 12MHz
IAP_CMD = 1; //Set IAP read command
IAP_ADDRL = addr; //Set IAP low address
IAP_ADDRH = addr >> 8; //Set IAP high address
IAP_TRIG = 0x5a; //Write trigger command (0x5a)
IAP_TRIG = 0xa5; //Write trigger command (0xa5)
_nop_();
dat = IAP_DATA; //Read IAP data
IapIdle(); //Disable IAP function
return dat;
}
void IapProgram(int addr, char dat)
{
IAP_CONTR = 0x80; //Enable IAP
IAP_TPS = 12; //Set the erasing wait parameter of 12MHz
IAP_CMD = 2; //Set IAP writing command
IAP_ADDRL = addr; //Set IAP low address
IAP_ADDRH = addr >> 8; //Set IAP high address
IAP_DATA = dat; //Write IAP data
IAP_TRIG = 0x5a; //Write trigger command (0x5a)
IAP_TRIG = 0xa5; //Write trigger command (0xa5)
_nop_();
IapIdle(); //Disable IAP function
}
void IapErase(int addr)
{