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EEPW首頁(yè) > 模擬技術(shù) > 設(shè)計(jì)應(yīng)用 > AVR內(nèi)部EEPROM讀寫(xiě)實(shí)驗(yàn)

AVR內(nèi)部EEPROM讀寫(xiě)實(shí)驗(yàn)

作者: 時(shí)間:2013-12-26 來(lái)源:網(wǎng)絡(luò) 收藏
erdana; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">/*讀取函數(shù)*/
/*addr:地址;number:長(zhǎng)度;p_buff:讀出數(shù)據(jù)存放指針*/
void eprom_read(unsigned int addr, unsigned char number, unsigned char *p_buff) {
while(EECR (1 EEWE));
EEARH = 0x00;

while(number --) {
EEARL = addr ++;
EECR |= (1 EERE);
*p_buff++ = EEDR;
}
}
/*寫(xiě)入函數(shù)*/
/*addr:地址;number:長(zhǎng)度;p_buff:寫(xiě)入數(shù)據(jù)存放指針*/
void eprom_write(unsigned int addr, unsigned char number, unsigned char *p_buff) {
EEARH = 0x00;

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關(guān)鍵詞: AVR EEPROM 讀寫(xiě)實(shí)驗(yàn)

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