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我這片8720 printf還滿怪的
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中級會員
 
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真奇怪一樣是程式
多了一行..竟然全部的printf都不能用 正常板: while(1) { Wait1ms(1000); printf("sdfa dfa sdfsd f dasf sdf ef w feawfwaf aea sf dsf af ew fwe \r\n"); if (PIR1bits.ADIF) { int aa = ADRESH; int bb = ADRESL; printf("now"); PIR1bits.ADIF = 0; } else { //ADCON0bits.GO = 1; } } 有問題版: while(1) { Wait1ms(1000); printf("sdfa dfa sdfsd f dasf sdf ef w feawfwaf aea sf dsf af ew fwe \r\n"); if (PIR1bits.ADIF) { int aa = ADRESH; int bb = ADRESL; //printf("now"); PIR1bits.ADIF = 0; } else { //ADCON0bits.GO = 1; } } 我只是把 printf("now"); 這行註解掉...竟然整個 Usart就不輸出了 很奇怪..我用示波器量過 是他TX是完全沒有任何訊號出來 我程式附加一下...請幫忙看一下@@ Attach file: Link only for registered users
發表於: 2009/3/6 19:08
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