MSP430读操作.doc

此文档收集于网络，如有侵权，请联系网站删除TIMCU MSP430FG47x (TI) MSP430FG47x (MCU) MCUFG47x MCU MSP430FG47x12 (DAC) 16 (ADC)16 - ADC 128 LCD 60KB 2KB RAMMSP430 MCU 20 MSP430 MCU (PCB) 80 QFP 113 BGA 7.1 7.1 FG47x TI MCU TI TI MCU FG47x MCU MSP-FET430U100 MSP-FET430UIF FG47x MCUs MSP430FG46*flash qiaohaikun,2007-05-25 14:13:51 :qiaohaikun46flash20flash/-/flash/2006.12.13/waddrflashlength/-void ReadFlash(unsigned long int waddr,unsigned int length)unsigned char i=0;while(length-)Internal_flashdatai+=_data20_read_char(waddr+);/-/2006.12.13/waddrflash/-void EraseFlash(unsigned long int waddr)unsigned char reg1,reg2;if(FlashMangleFlag=0)reg1=_BIC_SR(GIE);reg2=IE1;IE1=0;FCTL2 = FWKEY + FSSEL1 + FN4;FCTL3 = FWKEY; / Clear Lock bitFCTL1 = FWKEY + ERASE; / Set Erase bit_data20_write_char(waddr,0); / Dummy write to erase Flash segmentFCTL3 = FWKEY + LOCK; / Reset LOCK bitif(reg1&GIE) _BIS_SR(GIE);IE1=reg2;/-/flash/2006.12.13/waddrflashlength*buf/-unsigned char WriteFlash(unsigned long int waddr,unsigned char *buf,unsigned int length)unsigned int i;unsigned char reg1,reg2,temp;reg1=_BIC_SR(GIE);reg2=IE1;IE1=0; /close interruptFCTL2 = FWKEY + FSSEL1 + FN4;FCTL3 = FWKEY; / Clear Lock bitFCTL1 = FWKEY + WRT; / Set WRT bit for write operationfor(i=0;ilength;i+)_data20_write_char(waddr,*buf); / Write value to flashwaddr+;buf+;FCTL1 = FWKEY;FCTL3 = FWKEY + LOCK; / Reset LOCK bitif(reg1&GIE) _BIS_SR(GIE);IE1=reg2; /turn on interruput_data20_write_char(waddr,*buf);_data20_read_char(waddr+)msp430fg4619#include#define EnableCMD(P5OUT&=BIT7)#define EnableDATA(P5OUT|=BIT7)#define Enable(P5OUT|=BIT5)#define Disable(P5OUT&= BITS)IAR CMSP430FG4619FLASHF4490XFFFF0XFFFFFLASHF44932BITCIARIARHELP1) _data20_write_typeSyntaxvoid _data20_write_type(unsigned long address, unsigned type);where:address Specifies the address for the write operationtype Can be one of the types char, short, or longDescriptionWrites a value to the given 20-bit address. This intrinsic function is only useful on devices based on the MSP430X architecture and must be used when writing data that is located above the first 64 Kbytes of memory. The following functions are supported:Function Operation size Alignmentunsigned char _data20_write_char 8 1unsigned short _data20_write_short 16 2unsigned long _data20_write_long 2*16 22) _data20_read_typeSyntaxunsigned type _data20_read_type(unsigned long address);where:address Specifies the address for the read operationtype Can be one of the types char, short, or longDescriptionReads data from the given 20-bit address. This intrinsic function is only useful on devices based on the MSP430X architecture and must be used when reading data that is located above the first 64 Kbytes of memory. The following functions are supported:Function Operation size Alignmentunsigned char _data20_read_char 8 1unsigned short _data20_read_short 16 2unsigned long _data20_read_long 2*16 20XFFFFFLASH_data20_write_type_data20_read_type 0XFFFFFLASHFLASH1001FLASHFLASH1FLASHvoid flash_clr(int *ptr)_DINT(); /FCTL3 = 0x0A500; /* Lock = 0 FCTL1 = 0x0A502; /* Erase = 1 *(int *) ptr) = 0; /* FLASH/ void flash_write_int8(int8_t *ptr, int8_t value)_DINT();FCTL3 = 0x0A500; / Lock = 0 FCTL1 = 0x0A540; / Write = 1*(int8_t *) ptr) = value; / / void flash_write_int16(int16_t *ptr, int16_t value)_DINT();FCTL3 = 0x0A500; /* Lock = 0 */FCTL1 = 0x0A540; /* Write = 1 */*(int16_t *) ptr) = value; /* Program the flash */FLASH/ void flash_memcpy(char *ptr, char *from, int len)_DINT();FCTL3 = 0x0A500; /* Lock = 0 */FCTL1 = 0x0A540; /* Write = 1 */while (len)* ptr+ = *from+;len-;typedef struct Setupfloat gain_ch0; / 0float gain_ch1; / 1float gain_ch2; / 2char init_flag; /0xAA;SETUP;SETUPADinit_flagFLASHFLASHinit_flag0xAAhinit_flaginit_flag0xAAhFLASHSETUPFLASH#define SegmentA 0x1080float temp;SETUP *p_setup_flash = (SETUP *) SegmentAif(p_setup_flash- init_flag = 0xAA)temp = p_setup_flash-gain_ch0;FLASHFLASHRAMFLASHRAMFLASHFLASHSETUP *p_setup;SETUP buf; / p_setup = (SETUP *) SegmentA / FLASHmemcpy(char *) buf, (char *) p_setup_flash, sizeof(SET