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c8051f310 flash写擦除

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问答对人有帮助，内容完整，我也想知道答案 0 想实现这么一个功能：经过按键调整后的数值储存起来，断电后重启要能记忆住。根据数据手册的要求做了几次试验都没能成功，看哪位高手指点一下。先谢谢各位了。芯片是C8051F310. 0 已退回2积分
2013-7-17 17:55:31　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × 谢新貌该类别下有 43 个回答。邀请回答新星之火12138 该类别下有 39 个回答。邀请回答 911119qianhao 该类别下有 35 个回答。邀请回答 hgimtk 该类别下有 32 个回答。邀请回答 wang21cj 该类别下有 31 个回答。邀请回答独孤辉二该类别下有 27 个回答。邀请回答 wuli北该类别下有 25 个回答，其中被选为最佳答案 1 次。邀请回答 butterflydw 该类别下有 24 个回答。邀请回答牛牛爱吃草该类别下有 24 个回答。邀请回答 horayte 该类别下有 24 个回答，其中被选为最佳答案 1 次。邀请回答 hy381 该类别下有 24 个回答。邀请回答周鹏生该类别下有 24 个回答。邀请回答修罗君该类别下有 24 个回答，其中被选为最佳答案 1 次。邀请回答名士流该类别下有 23 个回答。邀请回答大洼球王该类别下有 23 个回答。邀请回答 32949523596693 该类别下有 23 个回答。邀请回答蔡甸一角该类别下有 23 个回答。邀请回答 hisysteeoke 该类别下有 23 个回答。邀请回答 ggfx 该类别下有 22 个回答，其中被选为最佳答案 1 次。邀请回答 kmno4 该类别下有 22 个回答。邀请回答举报 HQL278349560 相关推荐 • 有关c8051f310的引脚 4979 • C8051F310串口通信问题 2408 • 熟悉C8051f310的大侠救救我 5338 • 使用C8051F310给AD9914配置程序控制不了AD9914 2181 • 如何利用C8051F310和FM1702SL实现射频通信系统的软硬件设计？ 1139 • c8051单片机问题 2474 • 什么是“封装: 剥式”，是芯片还没有封装么？ 2993 • c8051f系列单片机掉电无法运行 3612 • 单片机问题急，高手指点指点 C8051F310单片机Config Wizard 配置 4008 • 对于晶振为24M的，C8051F310. 延迟10us的延迟函数怎么编写 6000 1个回答

答案对人有帮助，有参考价值 0 //----------------------------------------------------------------------------- // Includes //----------------------------------------------------------------------------- #include "c8051F410.h" #include "F410_FlashPrimitives.h" #include //#include "F410_FlashPrimitives.h" #include //----------------------------------------------------------------------------- // Function Prototypes //----------------------------------------------------------------------------- void FLASH_ByteWrite (FLADDR addr, char byte); unsigned char FLASH_ByteRead (FLADDR addr); void FLASH_PageErase (FLADDR addr); //----------------------------------------------------------------------------- // FLASH_ByteWrite //----------------------------------------------------------------------------- // // Return Value : None // Parameters : // 1) FLADDR addr - address of the byte to write to // valid range is from 0x0000 to 0x7DFE for 32K devices // valid range is from 0x0000 to 0x3FFE for 16K devices // 2) char byte - byte to write to Flash. // // This routine writes to the linear FLASH address . //----------------------------------------------------------------------------- void FLASH_ByteWrite (FLADDR addr, char byte) { bit EA_SAVE = EA; // Preserve EA char xdata * data pwrite; // FLASH write pointer EA = 0; // Disable interrupts VDM0CN = 0xA0; // Enable VDD monitor and high threshold RSTSRC = 0x02; // Enable VDD monitor as a reset source pwrite = (char xdata ) addr; FLKEY = 0xA5; // Key Sequence 1 FLKEY = 0xF1; // Key Sequence 2 PSCTL \|= 0x01; // PSWE = 1 which enables writes VDM0CN = 0xA0; // Enable VDD monitor and high threshold RSTSRC = 0x02; // Enable VDD monitor as a reset source // XBYTE[addr]=byte; pwrite = byte; // Write the byte PSCTL &= ~0x01; // PSWE = 0 which disable writes EA = EA_SAVE; // Restore interrupts } //----------------------------------------------------------------------------- // FLASH_ByteRead //----------------------------------------------------------------------------- // // Return Value : // unsigned char - byte read from Flash // Parameters : // 1) FLADDR addr - address of the byte to read to // valid range is from 0x0000 to 0x7DFE for 32K devices // valid range is from 0x0000 to 0x3FFE for 16K devices // // This routine reads a from the linear FLASH address . //----------------------------------------------------------------------------- unsigned char FLASH_ByteRead (unsigned int addr) { bit EA_SAVE = EA; // Preserve EA UCHAR code * data pread; // FLASH read pointer unsigned char byte; EA = 0; // Disable interrupts pread = (char code ) addr; byte = pread; // Read the byte EA = EA_SAVE; // Restore interrupts return byte; } //----------------------------------------------------------------------------- // FLASH_PageErase //----------------------------------------------------------------------------- // // Return Value : None // Parameters : // 1) FLADDR addr - address of any byte in the page to erase // valid range is from 0x0000 to 0x7BFF for 32K devices // valid range is from 0x0000 to 0x3DFF for 16K devices // // This routine erases the FLASH page containing the linear FLASH address // . Note that the page of Flash containing the Lock Byte cannot be // erased if the Lock Byte is set. // //----------------------------------------------------------------------------- void FLASH_PageErase (FLADDR addr) { bit EA_SAVE = EA; // Preserve EA char xdata * data pwrite; // FLASH write pointer EA = 0; // PCA0MD &= ~(1<<6); // Disable interrupts VDM0CN = 0xA0; // Enable VDD monitor and high threshold RSTSRC = 0x02; // Enable VDD monitor as a reset source pwrite = (char xdata ) addr; FLKEY = 0xA5; // Key Sequence 1 FLKEY = 0xF1; // Key Sequence 2 PSCTL = 0x03; // PSWE = 1; PSEE = 1 VDM0CN = 0xA0; // Enable VDD monitor and high threshold RSTSRC = 0x02; // Enable VDD monitor as a reset source pwrite = 0; // Initiate page erase PSCTL &= ~0x03; // PSWE = 0; PSEE = 0 EA = EA_SAVE; // Restore interrupts } //----------------------------------------------------------------------------- // End Of File //-----------------------------------------------------------------------------

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