MSP430程序，全部模块，史上最全

#include "msp430x22x4.h" #define SEGD_START 0x9000 #define SEGD_START1 0xa000 void erase_seg(unsigned int); void write_seg(unsigned int); void write_seg1(unsigned int write); void sega_op(void); void delay() { for(int a=0;a<10000;a++); } int main( void ) { WDTCTL=WDTPW+WDTHOLD; //关看门狗 BCSCTL1 =CALBC1_1MHZ; //设定DCO为1MHZ DCOCTL =CALBC1_1MHZ; erase_seg(SEGD_START); //擦除信息段D write_seg(SEGD_START); //写住信息段D write_seg1(SEGD_START1); sega_op(); //对LOCKA进行反向操作 return 0; } void sega_op(void) //LOCKA位开关 { if(LOCKA&FCTL3) { FCTL3=FWKEY+LOCKA; } else { FCTL3=FWKEY+LOCKA; } } void erase_seg(unsigned int erase) //段擦除子程序 { char * seg_ptr; seg_ptr=(char *)erase; //指向段地址 FCTL2=FWKEY+FSSEL1+FN1; //flash时钟源为SMCLK,f(FTG)=SMCLK/3 FCTL3=FWKEY; //复位LOCK FCTL1=FWKEY+ERASE; //段擦除使能 *seg_ptr=0; //空写启动 FCTL3=FWKEY+LOCK; //置位LOCK } void write_seg(unsigned int write) //段写子程序 { int write_value; char data[]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x02,0x01, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06, 0x00,0x00,0x00,0x00,0x04,0x03,0x02,0x01, }; char * write_addr=(char *)write; //指向段首地址 FCTL3=FWKEY; //复位LOCK delay(); FCTL1=FWKEY+WRT; //写使能 for(write_value=0;write_value<1016;write_value++) { (*write_addr++)=data[write_value]; //循环写入 } FCTL3=FWKEY+LOCK; //置位LOCK } void write_seg1(unsigned int write) //段写子程序 { int write_value; char data[]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 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