nbf.rar_MSP430 internal

#include <msp430x14x.h> #define uchar unsigned char #define uint unsigned int void write_Seg (unsigned char value,unsigned int add); unsigned char temp[128]; void int_clk() { uchar i; BCSCTL1&=~XT2OFF; //打开XT振荡器 BCSCTL2|=SELM1+SELS;//MCLK 8M and SMCLK 1M do { IFG1 &= ~OFIFG; //清除振荡错误标志 for(i = 0; i < 100; i++) _NOP(); //延时等待 } while ((IFG1 & OFIFG) != 0); //如果标志为1继续循环等待 IFG1&=~OFIFG; } delay() { unsigned int i=0; for(i=0;i<=1000;i++) ; } void EraseFlashSegment( unsigned int add ) { unsigned char *ptrFlash; ptrFlash=(unsigned char *)add; FCTL1 = FWKEY + ERASE; // Set Erase bit FCTL3 = FWKEY; // Clear Lock bit *ptrFlash=0x00; delay(); delay(); FCTL3 = FWKEY + LOCK; // Reset LOCK bit } void write_Seg (unsigned char value,unsigned int add) { unsigned char *Flash_ptr; // Flash pointer Flash_ptr = (unsigned char *) add; // Initialize Flash pointer FCTL3 = FWKEY; // Clear Lock bit FCTL1 = FWKEY + WRT; // Set WRT bit for write operation while(BUSY & FCTL3); *Flash_ptr=value; FCTL1 = FWKEY; // Clear WRT bit FCTL3 = FWKEY + LOCK; // Set LOCK bit } void main(void) { WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer int_clk() ; FCTL2 = FWKEY + FSSEL0 + FN0; // MCLK/2 for Flash Timing Generator EraseFlashSegment( 0x1080 ); //Erase SegmentA FLASH write_Seg(1,0x1080); //write address 0x1080 as 1 write_Seg(2,0x1083); //write address 0x1083 as 2 write_Seg(3,0x1087); //write address 0x1087 as 3 while(1); }