void main() //主函数
{
init_dsp(); //dsp初始化
zhiling(); //学习指令
while(1) //大循环
{
LED_flash(); //灯闪烁
}
}
void main()
{
/* configures the function of the A/D port pins
* (ports A and E to digital I/Os) */
ADCON1=7;
TRISD=0x0f; /* 00001111 -> RD4:RD7 as outputs */
TRISE=3; /* 111 -> RE0:RE2 outputs */
PORTE=4;
PORTD=0;
/* set the activity LED bit as an output */
TRISC&=0xf7;
/* make sure LED is off */
LEDPORT|=0x08;
/* then flash it 3 times */
LED_flash(3);
/* initialise USART interrupts */
SerIntInit();
/* enter main program loop */
while(1)
{
/* There's a packet waiting in the buffer.. IP layer
* flag is set so we can return up the stack, rather than processing
* the packet within the interrupt routine */
if (rxstate == RXDONE)
{
/* call on the IP layer to process awaiting packet */
ip_receive();
/* serial line IDLE again */
rxstate=RXIDLE;
/* packet has been sent */
txpos=0;
}
/* Interrrupt routine has been trggered since last here,
* there is at least one byte waiting in the USART receive
* buffer - call on the SLIP layer to process and add to
* stack buffer */
if (GetRxSize()) slip_recv();
/* ensure activity LED is off */
LEDPORT|=0x08;
/* TCP counter, used for Initial Sequence Numbers */
if (tcpcounter == 2147483646) {
tcpcounter=0;
}
tcpcounter++;
}
}