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Re: 請教~~pic18f8722空陣列的問題!
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中級會員
 
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如果用這樣的宣告方式，C18會嘗試把digit0~7放到一個SECTION里。如果你用的默認的LINKER SCRIPT，最大的SECTION也只有256 BYTES而已，當然會有錯誤。解決方案是使用#pragma。在“Getting Started”手冊里FAQ-8有提到用法。
發表於: 2006/12/24 6:12
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請教~~pic18f8722空陣列的問題!
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新會員
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unsigned char digit0 [128];
unsigned char digit1 [128]; unsigned char digit2 [128]; unsigned char digit3 [128]; unsigned char digit4 [128]; unsigned char digit5 [128]; unsigned char digit6 [128]; unsigned char digit7 [128]; 為何這樣宣告還是出現 Error - section '.udata_buffer.o' can not fit the section. Section '.udata_buffer.o' length=0x00000400 ?? 之前使用宣告成unsigned char digit [8][128]; 因為跨過ㄧ個 BANK 的範圍(256Bytes) 所以須特別的宣告~但是8*128不是應該佔1024個byte 但是在修改連結敘述檔時卻必須用START=0x100 END=0xCFF 不然還是出現錯誤! 是哪邊設定錯誤嗎?C18不是應該自動分配記憶體嗎?
發表於: 2006/12/20 17:04
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