max232_time.zip_源码

///////////////////////////////////// // Generated Initialization File // ///////////////////////////////////// #include "compiler_defs.h" #include "C8051F320_defs.h" #include "stdio.h" sbit led1=P2^2; sbit led2=P2^3; char flag,count; // Peripheral specific initialization functions, // Called from the Init_Device() function void PCA_Init() { PCA0MD &= ~0x40; PCA0MD = 0x00; } void Timer_Init() { TCON = 0x50; TMOD = 0x21; CKCON = 0x01; TL0 = 0xA0; TH0 = 0x15; TH1 = 0xB2; } void Port_IO_Init() { P0MDOUT = 0x10; P2MDOUT = 0x0C; XBR0 = 0x01; XBR1 = 0x40; } void Oscillator_Init() { int i = 0; CLKMUL = 0x80; for (i = 0; i < 20; i++); // Wait 5us for initialization CLKMUL |= 0xC0; while ((CLKMUL & 0x20) == 0); CLKSEL = 0x02; } void Interrupts_Init() { IE = 0x82; } // Initialization function for device, // Call Init_Device() from your main program void Init_Device(void) { PCA_Init(); Timer_Init(); Port_IO_Init(); Oscillator_Init(); Interrupts_Init(); } void time0() interrupt 1 { TH0=0x15; TL0=0xa0; count++; } void main() { Init_Device(); TI0=1; while(1) { if(count==10) { led1=~led1; printf("hello world\n"); } if(count==20) { led2=~led2; printf("hello fuck\n"); count=0; } } }