void Sec_CREAT_CON_DIR(const char * BUF_Name) { bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name ); s=CH376DirCreate( TarName ); /* 在根目录下新建目录(文件夹)并打开,如果目录已经存在那么直接打开 */ CH376FileClose( TRUE ); /* 关闭文件,对于字节读写建议自动更新文件长度 */ memset( TarName, 0, 100 ); bus_SPI_mutex_release(); }
//创建多级目录下的文件并写 void Byte_CREAT_WRITE_PATH(const char * BUF_Name, uint8_t * Content , uint32_t offset ) { // 文件名 文件内容 bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name ); /* 目标文件名 */ s = CH376FileCreatePath( TarName ); /* 新建多级目录下的文件,支持多级目录路径,输入缓冲区必须在RAM中 */ s = CH376ByteWrite( Content , offset, NULL ); /* 以字节为单位向当前位置写入数据块 */ s = CH376FileClose( TRUE ); /* 关闭文件,对于字节读写建议自动更新文件长度 */ memset( TarName, 0, 100 ); memset( buf, 0, 100 ); bus_SPI_mutex_release(); }
//创建根目录下的文件并写 void Byte_CREAT_WRITE_DIR(const char * BUF_Name, uint8_t * Content, uint32_t offset ) { bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name );/* 打开多级目录下的文件或者目录(文件夹),支持多级目录路径,支持路径分隔符,路径长度不超过255个字符 */ CH376FileCreate( TarName ); CH376ByteWrite( Content, offset, NULL ); /* 以字节为单位向当前位置写入数据块 */ CH376FileClose( TRUE ); /* 关闭文件,对于字节读写建议自动更新文件长度 */ memset( TarName, 0, 100 ); memset( buf, 0, 100 ); bus_SPI_mutex_release(); }
void Sec_CREAT_WRITE_PATH(const char * BUF_Name, uint8_t * Content , uint8_t offset ) { // 文件名 文件内容 文件大小 bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name ); /* 目标文件名 */ s = CH376FileCreatePath( TarName ); /* 新建多级目录下的文件,支持多级目录路径,输入缓冲区必须在RAM中 */ // CH376SecLocate( 0 ); s = CH376SecWrite( Content , offset, NULL ); /* 以扇区为单位向当前位置写入数据块 */ s = CH376FileClose( TRUE ); /* 关闭文件,对于扇区读写建议自动更新文件长度 */ memset( TarName, 0, 100 ); bus_SPI_mutex_release(); }
void Sec_OPEN_WRITE_DIR (const char * BUF_Name, uint8_t * Content , uint32_t Addr, uint8_t offset ) { bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name ); CH376FileOpen( TarName ); /* 在根目录或者当前目录下打开文件或者目录(文件夹) */ CH376SecLocate( Addr ); CH376SecWrite( Content , offset, NULL ); /* 以扇区为单位向当前位置写入数据块 */ CH376FileClose( TRUE ); /* 关闭文件,对于扇区读写建议自动更新文件长度 */ memset( TarName, 0, 100 ); bus_SPI_mutex_release(); }
uint8_t Sec_OPEN_READ_PATH (const char * BUF_Name , uint32_t Addr , uint8_t * bufread , uint8_t offset ) { bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name ); CH376FileOpenPath( TarName );/* 打开多级目录下的文件或者目录(文件夹),支持多级目录路径,支持路径分隔符,路径长度不超过255个字符 */ //bufoffset = CH376GetFileSize( ); CH376SecLocate( Addr ); s = CH376SecRead( bufread , offset ,NULL );/* 以扇区为单位从当前位置读取数据块 */ CH376FileClose( TRUE ); /* 关闭文件,对于扇区读写建议自动更新文件长度 */ bus_SPI_mutex_release(); return s; }
void Sec_OPEN_READ_DIR (const char * BUF_Name , uint32_t Addr, uint8_t * bufread , uint8_t offset ) { bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name ); CH376FileOpen( TarName ); /* 在根目录或者当前目录下打开文件或者目录(文件夹) */ CH376SecLocate( Addr ); // bufoffset = CH376GetFileSize( ); CH376SecRead( bufread, offset , NULL );/* 以扇区为单位从当前位置读取数据块 */ CH376FileClose( TRUE ); /* 关闭文件,对于扇区读写建议自动更新文件长度 */ memset( TarName, 0, 100 ); bus_SPI_mutex_release(); }
//打开根目录下的文件并写 void Byte_OPEN_WRITE_DIR (const char * BUF_Name, uint8_t * Content , uint32_t Addr, uint32_t offset ) { bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name ); CH376FileOpen( TarName ); /* 在根目录或者当前目录下打开文件或者目录(文件夹) */ // bufoffset = CH376GetFileSize( ); CH376ByteLocate( Addr ); CH376ByteWrite( Content , offset, NULL ); /* 以字节为单位向当前位置写入数据块 */ CH376FileClose( TRUE ); /* 关闭文件,对于字节读写建议自动更新文件长度 */ memset( TarName, 0, 100 ); memset( buf, 0, 100 ); bus_SPI_mutex_release(); }
//打开多级目录下的文件并写 uint8_t Sec_OPEN_WRITE_PATH (const char * BUF_Name, uint8_t * Content , uint32_t Addr ,uint8_t offset) { bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name ); CH376FileOpenPath( TarName );/* 打开多级目录下的文件或者目录(文件夹),支持多级目录路径,支持路径分隔符,路径长度不超过255个字符 */ // bufoffset = CH376GetFileSize( ); CH376SecLocate( Addr ); s = CH376SecWrite(Content, offset, NULL ); /* 以扇区为单位向当前位置写入数据块 */ CH376FileClose( TRUE ); /* 关闭文件,对于扇区读写建议自动更新文件长度 */ memset( TarName, 0, 100 ); memset( USBbuf, 0, 100 ); bus_SPI_mutex_release(); return s; }
//以扇区为单位填充 BOOL SecFill( const char * BUF_Name , uint32_t Addr , uint8_t size) { // 文件名称 写起始地址 要写的数量 bus_SPI_mutex_apply(); strcpy( (char *)TarName, BUF_Name ); CH376FileOpenPath( TarName );/* 打开多级目录下的文件或者目录(文件夹),支持多级目录路径,支持路径分隔符,路径长度不超过255个字符 */ CH376ByteLocate( Addr ); memset( buf, 0xaa, 100 ); s = CH376ByteWrite( buf, size, NULL ); /* 以字节为单位向当前位置写入数据块 */ CH376FileClose( TRUE ); /* 关闭文件,对于字节读写建议自动更新文件长度 */ memset( TarName, 0, 100 ); memset( buf, 0, 100 ); bus_SPI_mutex_release(); if( s == USB_INT_SUCCESS ) return TRUE; else if(s == USB_INT_BUF_OVER) { beep(); return FALSE; } else return FALSE; }
int main( void ) { int i; int j; UINT8 res; UINT8 s; UINT8 NameBuf[20] = {0}; UINT8 CountT = 0; UINT32 U_D; PUINT32 pU_D; pU_D = &U_D; // Stop watchdog timer to prevent time out reset WDTCTL = WDTPW + WDTHOLD; P1DIR_bit.P1DIR0 = 1; P1OUT_bit.P1OUT0 = 1; UartInit(); code_start: CountT ++; for(i = 0;i<30000;i++); printk("Code Start !\r\n"); printk("程序开始 !\r\n"); do{ for(i = 0;i<30000;i++); res = mInitCH376Host(); }while(res != USB_INT_SUCCESS); printk("USB_INT_SUCCESS !\r\n"); do{ for(i = 0;i<30000;i++); res = CH376DiskConnect( ); /* 查询U盘是否连接,返回USB_INT_SUCCESS则说明当前已连接 */ }while(res!=USB_INT_SUCCESS); printk(" Connect SUCCESS\r\n"); do{ for(i = 0;i<30000;i++); res = CH376DiskMount( ); /* 查询U盘或SD卡是否准备好,有些U盘可能需多次调用才能成功 */ }while(res!=USB_INT_SUCCESS); printk(" U is OK !\r\n"); s = CH376DiskCapacity(pU_D); mStopIfError( s ); printk(" U盘大小:"); printHex((unsigned int)U_D); printHex((unsigned int)(U_D>>16)); printk("\r\n"); s = CH376DiskQuery(pU_D); mStopIfError( s ); printk(" 剩余大小:"); printHex((unsigned int)U_D); printHex((unsigned int)(U_D>>16)); printk("\r\n"); strcpy( NameBuf, "\\2012.TXT" ); /* 目标文件名 */ #if 0 printf( "Open\r\n" ); s = CH376FileOpenPath( NameBuf ); mStopIfError( s ); if ( s == ERR_MISS_FILE ){ printf( "Create\r\n" ); s = CH376FileCreatePath( NameBuf ); /* 新建多级目录下的文件,支持多级目录路径,输入缓冲区必须在RAM中 */ mStopIfError( s ); } printf( "CH376ByteLocate\r\n" ); s = CH376ByteLocate(0xFFFFFFFF); mStopIfError( s ); printf( "Write\r\n" ); strcpy( buf, "时间 数据 ---\xd\n" ); s = CH376ByteWrite( buf, strlen(buf), NULL ); /* 以字节为单位向当前位置写入数据块 */ mStopIfError( s ); strcpy( buf, "2012-12-01 01 ---\xd\n" ); buf[9] = '0' + CountT; for(i = 0; i < 100;i ++){ buf[12] = '0' + i/10; buf[13] = '0' + i%10; printf( "Write %s" ,buf); s = CH376ByteWrite( buf, strlen(buf), NULL ); /* 以字节为单位向当前位置写入数据块 */ mStopIfError( s ); } printf( "Close\r\n" ); s = CH376FileClose( TRUE ); /* 关闭文件,对于字节读写建议自动更新文件长度 */ mStopIfError( s ); #endif /* 如果MY_ADC.TXT文件已经存在则添加数据到尾部,如果不存在则新建文件 */ printf( "Open\n" ); s = CH376FileOpen( NameBuf ); /* 打开文件,该文件在根目录下 */ if ( s == USB_INT_SUCCESS ) { /* 文件存在并且已经被打开,移动文件指针到尾部以便添加数据 */ printf( "File size = %ld\n", CH376GetFileSize( ) ); /* 读取当前文件长度 */ printf( "Locate tail\n" ); s = CH376ByteLocate( 0xFFFFFFFF ); /* 移到文件的尾部 */ mStopIfError( s ); } else if ( s == ERR_MISS_FILE ) { /* 没有找到文件,必须新建文件 */ printf( "Create\n" ); s = CH376FileCreate( NULL ); /* 新建文件并打开,如果文件已经存在则先删除后再新建,不必再提供文件名,刚才已经提供给CH376FileOpen */ mStopIfError( s ); } else mStopIfError( s ); /* 打开文件时出错 */ printf( "Write begin\n" ); s = sprintf( buf, "此前文件长度= %ld 字节\xd\xa", CH376GetFileSize( ) ); /* 注意字符串长度不能溢出buf,否则加大缓冲区或者分多次写入 */ s = CH376ByteWrite( buf, s, NULL ); /* 以字节为单位向文件写入数据 */ mStopIfError( s ); printf( "Write ADC data\n" ); printf( "Current offset ( file point ) is : "); for(i = 0;i<1000;i++){ s = sprintf( buf, "%02d.%02d.%02d.%d\xd\xa", 2012 + i/365, 1 + (i / 30) % 12, 1 + i % 30, i ); /* 将二制制数据格式为一行字符串 */ s = CH376ByteWrite( buf, s, NULL ); /* 以字节为单位向文件写入数据 */ /* 有些U盘可能会要求在写数据后等待一会才能继续操作, 所以,如果在某些U盘中发生数据丢失现象, 建议在每次写入数据后稍作延时再继续 */ for(j = 0;j<30;j++); mStopIfError( s ); printf( "\b\b\b\b\b\b" ); printf( "%6ld", CH376ReadVar32( VAR_CURRENT_OFFSET ) ); /* 读取当前文件指针 */ } printf( "Write end\n" ); strcpy( buf, "今天的ADC数据到此结束\xd\xa" ); s = CH376ByteWrite( buf, strlen( buf ), NULL ); /* 以字节为单位向文件写入数据 */ mStopIfError( s ); /* 如果实际产品中有实时时钟,可以根据需要将文件的日期和时间修改为实际值,参考EXAM10用CH376DirInfoRead/CH376DirInfoSave实现 */ printf( "Close\n" ); s = CH376FileClose( TRUE ); /* 关闭文件,自动计算文件长度,以字节为单位写文件,建议让程序库关闭文件以便自动更新文件长度 */ mStopIfError( s ); do{ for(i = 0;i<30000;i++); P1OUT_bit.P1OUT0 = 1; for(i = 0;i<30000;i++); P1OUT_bit.P1OUT0 = 0; res = CH376DiskConnect( ); /* 查询U盘是否连接,返回USB_INT_SUCCESS则说明当前已连接 */ }while(res!=ERR_DISK_DISCON); printk(" ERR_DISK_DISCON\r\n"); goto code_start; }
main( ) { UINT8 s; mDelaymS( 100 ); /* 延时100毫秒 */ mInitSTDIO( ); /* 为了让计算机通过串口监控演示过程 */ printf( "Start\n" ); s = mInitCH376Host( ); /* 初始化CH376 */ mStopIfError( s ); /* 其它电路初始化 */ while ( 1 ) { printf( "Wait Udisk\n" ); // while ( CH376DiskConnect( ) != USB_INT_SUCCESS ) { /* 检查U盘是否连接,等待U盘插入,对于SD卡,可以由单片机直接查询SD卡座的插拔状态引脚 */ // mDelaymS( 100 ); // } while ( 1 ) { /* 与前几行的方法不同,此处是等到中断通知后再查询USB设备连接 */ if ( Query376Interrupt( ) ) { /* 查询CH376中断(INT#引脚为低电平) */ if ( CH376DiskConnect( ) == USB_INT_SUCCESS ) break; /* USB设备连接 */ } mDelaymS( 100 ); } mDelaymS( 200 ); /* 延时,可选操作,有的USB存储器需要几十毫秒的延时 */ /* 对于检测到USB设备的,最多等待10*50mS */ for ( s = 0; s < 10; s ++ ) { /* 最长等待时间,10*50mS */ mDelaymS( 50 ); printf( "Ready ?\n" ); if ( CH376DiskMount( ) == USB_INT_SUCCESS ) break; /* 初始化磁盘并测试磁盘是否就绪 */ } s = CH376ReadBlock( buf ); /* 如果需要,可以读取数据块CH376_CMD_DATA.DiskMountInq,返回长度 */ if ( s == sizeof( INQUIRY_DATA ) ) { /* U盘的厂商和产品信息 */ buf[ s ] = 0; printf( "UdiskInfo: %s\n", ((P_INQUIRY_DATA)buf) -> VendorIdStr ); } printf( "Check Disk Write Protect ? ...\n" ); s = IsDiskWriteProtect( ); /* 检查U盘是否写保护, 返回USB_INT_SUCCESS说明可以写,返回0xFF说明只读/写保护,返回其它值说明是错误代码 */ if ( s != USB_INT_SUCCESS && s != 0xFF ) { /* 操作失败 */ printf( "Again ...\n" ); mDelaymS( 100 ); s = IsDiskWriteProtect( ); /* 再试一次 */ } if ( s == USB_INT_SUCCESS ) { /* 可以写 */ printf( "... No !\n" ); printf( "Create a File\n" ); s = CH376FileCreate( "\\NEWFILE.TXT" ); /* 在根目录下新建文件并打开,如果文件已经存在则先删除后再新建 */ mStopIfError( s ); buf[0] = 'O'; buf[1] = 'K'; s = CH376ByteWrite( buf, 2, NULL ); /* 向文件写入数据 */ mStopIfError( s ); printf( "Close\n" ); s = CH376FileClose( TRUE ); /* 自动计算文件长度 */ mStopIfError( s ); if ( SafeRemoveDisk( ) == USB_INT_SUCCESS ) { /* 安全移除U盘 */ printf( "Safe Remove !\n" ); } else { printf( "Unsafe Remove !\n" ); } } else if ( s == 0xFF ) { /* 写保护 */ printf( "... Yes !\n" ); } else { mStopIfError( s ); /* 显示错误代码 */ } printf( "Take out\n" ); // while ( CH376DiskConnect( ) == USB_INT_SUCCESS ) { /* 检查U盘是否连接,等待U盘拔出 */ // mDelaymS( 100 ); // } while ( 1 ) { /* 与前几行的方法不同,此处是等到中断通知后再查询USB设备连接 */ if ( Query376Interrupt( ) ) { /* 查询CH376中断(INT#引脚为低电平) */ if ( CH376DiskConnect( ) != USB_INT_SUCCESS ) break; /* USB设备断开 */ } mDelaymS( 100 ); } mDelaymS( 200 ); } }
void host( ) { UINT8 i, s; UINT8 TotalCount; UINT16 RealCount; P_FAT_DIR_INFO pDir; s = mInitCH376Host( ); /* 初始化CH376 */ mStopIfError( s ); /* 其它电路初始化 */ while ( 1 ) { printf( "Wait Udisk/SD\n" ); while ( CH376DiskConnect( ) != USB_INT_SUCCESS ) { /* 检查U盘是否连接,等待U盘插入,对于SD卡,可以由单片机直接查询SD卡座的插拔状态引脚 */ if ( IsKeyPress( ) ) { /* 有键按下 */ printf( "Exit USB host mode\n" ); return; } mDelaymS( 100 ); /* 没必要频繁查询 */ } LED_UDISK_IN( ); /* LED亮 */ mDelaymS( 200 ); /* 延时,可选操作,有的USB存储器需要几十毫秒的延时 */ /* 对于检测到USB设备的,最多等待100*50mS,主要针对有些MP3太慢,对于检测到USB设备并且连接DISK_MOUNTED的,最多等待5*50mS,主要针对DiskReady不过的 */ for ( i = 0; i < 100; i ++ ) { /* 最长等待时间,100*50mS */ mDelaymS( 50 ); printf( "Ready ?\n" ); s = CH376DiskMount( ); /* 初始化磁盘并测试磁盘是否就绪 */ if ( s == USB_INT_SUCCESS ) break; /* 准备好 */ else if ( s == ERR_DISK_DISCON ) break; /* 检测到断开,重新检测并计时 */ if ( CH376GetDiskStatus( ) >= DEF_DISK_MOUNTED && i >= 5 ) break; /* 有的U盘总是返回未准备好,不过可以忽略,只要其建立连接MOUNTED且尝试5*50mS */ } if ( s == ERR_DISK_DISCON ) { /* 检测到断开,重新检测并计时 */ printf( "Device gone\n" ); continue; } if ( CH376GetDiskStatus( ) < DEF_DISK_MOUNTED ) { /* 未知USB设备,例如USB键盘、打印机等 */ printf( "Unknown device\n" ); goto UnknownUsbDevice; } i = CH376ReadBlock( buf ); /* 如果需要,可以读取数据块CH376_CMD_DATA.DiskMountInq,返回长度 */ if ( i == sizeof( INQUIRY_DATA ) ) { /* U盘的厂商和产品信息 */ buf[ i ] = 0; printf( "UdiskInfo: %s\n", ((P_INQUIRY_DATA)buf) -> VendorIdStr ); } /* 读取原文件 */ printf( "Open\n" ); strcpy( buf, "\\C51\\CH376HFT.C" ); /* 源文件名,多级目录下的文件名和路径名必须复制到RAM中再处理,而根目录或者当前目录下的文件名可以在RAM或者ROM中 */ s = CH376FileOpenPath( buf ); /* 打开文件,该文件在C51子目录下 */ if ( s == ERR_MISS_DIR || s == ERR_MISS_FILE ) { /* 没有找到目录或者没有找到文件 */ /* 列出文件,完整枚举可以参考EXAM13全盘枚举 */ if ( s == ERR_MISS_DIR ) strcpy( buf, "\\*" ); /* C51子目录不存在则列出根目录下的文件 */ else strcpy( buf, "\\C51\\CH376*" ); /* CH376HFT.C文件不存在则列出\C51子目录下的以CH376开头的文件 */ printf( "List file %s\n", buf ); s = CH376FileOpenPath( buf ); /* 枚举多级目录下的文件或者目录,输入缓冲区必须在RAM中 */ while ( s == USB_INT_DISK_READ ) { /* 枚举到匹配的文件 */ CH376ReadBlock( buf ); /* 读取枚举到的文件的FAT_DIR_INFO结构,返回长度总是sizeof( FAT_DIR_INFO ) */ pDir = (P_FAT_DIR_INFO)buf; /* 当前文件目录信息 */ if ( pDir -> DIR_Name[0] != '.' ) { /* 不是本级或者上级目录名则继续,否则必须丢弃不处理 */ if ( pDir -> DIR_Name[0] == 0x05 ) pDir -> DIR_Name[0] = 0xE5; /* 特殊字符替换 */ pDir -> DIR_Attr = 0; /* 强制文件名字符串结束以便打印输出 */ printf( "*** EnumName: %s\n", pDir -> DIR_Name ); /* 打印名称,原始8+3格式,未整理成含小数点分隔符 */ } xWriteCH376Cmd( CMD0H_FILE_ENUM_GO ); /* 继续枚举文件和目录 */ xEndCH376Cmd( ); s = Wait376Interrupt( ); } if ( s != ERR_MISS_FILE ) mStopIfError( s ); /* 操作出错 */ } else { /* 找到文件或者出错 */ mStopIfError( s ); TotalCount = 200; /* 准备读取总长度 */ printf( "从文件中读出的前%d个字符是:\n",(UINT16)TotalCount ); while ( TotalCount ) { /* 如果文件比较大,一次读不完,可以再调用CH376ByteRead继续读取,文件指针自动向后移动 */ if ( TotalCount > sizeof(buf) ) i = sizeof(buf); /* 剩余数据较多,限制单次读写的长度不能超过缓冲区大小 */ else i = TotalCount; /* 最后剩余的字节数 */ s = CH376ByteRead( buf, i, &RealCount ); /* 以字节为单位读取数据块,单次读写的长度不能超过缓冲区大小,第二次调用时接着刚才的向后读 */ mStopIfError( s ); TotalCount -= (UINT8)RealCount; /* 计数,减去当前实际已经读出的字符数 */ for ( s=0; s!=RealCount; s++ ) printf( "%C", buf[s] ); /* 显示读出的字符 */ if ( RealCount < i ) { /* 实际读出的字符数少于要求读出的字符数,说明已经到文件的结尾 */ printf( "\n" ); printf( "文件已经结束\n" ); break; } } printf( "Close\n" ); s = CH376FileClose( FALSE ); /* 关闭文件 */ mStopIfError( s ); } UnknownUsbDevice: printf( "Take out\n" ); while ( CH376DiskConnect( ) == USB_INT_SUCCESS ) { /* 检查U盘是否连接,等待U盘拔出 */ mDelaymS( 100 ); } LED_UDISK_OUT( ); /* LED灭 */ mDelaymS( 100 ); } }
//***************************************************************************** // //! \brief CH376 test execute main body. //! //! \return None. // //***************************************************************************** static void CH376Execute(void) { unsigned char s; UINT16 usDataCnt; unsigned int ulFileSize, ulSetcorCnt; //waiting for USB device get ready for ( s = 0; s < 10; s ++ ) { mDelaymS( 50 ); printf( "Ready ?\n\r" ); // // Initialize disk and check if disk is ready // if ( CH376DiskMount( ) == USB_INT_SUCCESS ) break; } s = CH376ReadBlock( ucReadData ); TestAssert((s == sizeof( INQUIRY_DATA )), "CH376 API \"CH376ReadBlock()\"error!"); if ( s == sizeof( INQUIRY_DATA ) ) { // // get device information // ucReadData[ s ] = 0; printf( "UdiskInfo: %s\n\r", ((P_INQUIRY_DATA)ucReadData)->VendorIdStr); } s = CH376DiskCapacity(&ulSetcorCnt); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376DiskCapacity()\"error!"); printf("Capacity of U-disk: %dMB\n\r", ulSetcorCnt / (1048576 / DEF_SECTOR_SIZE)); s = CH376DiskQuery(&ulSetcorCnt); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376DiskCapacity()\"error!"); printf("Available capacity: %dMB\n\r", ulSetcorCnt / (1048576 / DEF_SECTOR_SIZE)); s = CH376FileOpenPath("/CH376TST/TST.TXT"); if ( s != USB_INT_SUCCESS ) { // // if file path not found, firstly create the folder then create the file // s = CH376DirCreate("/CH376TST"); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376DirCreate()\"error!"); s = CH376FileCreate("TST.TXT"); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376FileCreate()\"error!"); s = CH376ByteWrite(ucWriteData, 35, &usDataCnt); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376ByteWrite()\"error!"); // // After modifying a file, the parameter of CH376FileClose() must be TRUE to update // file size or you will find the file not available when you open the file on computer. // CH376FileClose(TRUE); } else { // // if file found, move file pointer to the end of file, then append data to the file // CH376ByteLocate(0x0); s = CH376ByteWrite(ucWriteData, 35, &usDataCnt); TestAssert((s == USB_INT_SUCCESS), "CH376 API \"CH376ByteWrite()\"error!"); // // enable auto update file size // CH376FileClose(TRUE); } CH376FileOpenPath("/CH376TST/TST.TXT"); ulFileSize = CH376GetFileSize(); CH376ByteRead(ucReadData, 512, &usDataCnt); for(s = 0; s < ulFileSize; s++) { TestAssert((ucReadData[s] == ucWriteData[s]), "CH376 API \"CH376ByteRead()\"error!"); } CH376FileClose(FALSE); printf("\n\r All test over!\n\r"); }
//主程序 void main(void) { uint i = 0; uint timercount = 0; uchar packNO = 1; uint bufferPoint = 0; uint crc; #ifdef UPDATE_USB uchar s; uint j; unsigned long UpdateSize = 0; uint LabCount = 0,lastdatanum = 0; uchar string[50] = {0}; #endif //初始化M128的USART0 UBRR0L = BAUD_L; //Set baud rate UBRR0H = BAUD_H; UCSR0B = ((1<<RXEN0)|(1<<TXEN0)); //接收器与发送器使能; UCSR0C = (1<<USBS0)|(3<<UCSZ00); //设置帧格式: 8 个数据位, 1 个停止位; #ifdef UPDATE_USB //初始化M128的USART1 UBRR1L = 8; UBRR1H = 0; UCSR1B = ((1<<RXEN1)|(1<<TXEN1)); //接收器与发送器使能; UCSR1C = (1<<USBS1)|(3<<UCSZ10); //设置帧格式: 8 个数据位, 1 个停止位; #endif //初始化M128的T/C0,15ms自动重载 OCR0 = 0x75; TCCR0 = 0x0F; TCNT0 = 0; DDRB.0 = 1; PORTB.0 = 1; /* USART_Send_string(a4String1); while(uart_getchar()!='O'); while(uart_getchar()!='K'); USART_Send_string(a4String2); while(uart_getchar()!='O'); while(uart_getchar()!='K'); */ USART_Send_string(startupString);//向PC机发送开始提示信息 while(1) { if(uart_getchar()=='d')break; if(TIFR&0x02) { if(++timercount>500) //若没有进入串口升级模式,则进入U盘升级模式 200*15ms=3s { #ifdef UPDATE_USB sprintf((char*)string,"Enter the USB_Disk Update!\n",UpdateSize); USART_Send_string(string); //++++++++++++++++初始化CH376S++++++++++++++++++++++++ //CH376_PORT_INIT( ); /* 接口硬件初始化 */ xWriteCH376Cmd(CMD11_CHECK_EXIST); /* 测试单片机与CH376之间的通讯接口 */ xWriteCH376Data(0x65); s = xReadCH376Data( ); if (s != 0x9A) uart_putchar(ERR_USB_UNKNOWN); /* 通讯接口不正常,可能原因有:接口连接异常,其它设备影响(片选不唯一),串口波特率,一直在复位,晶振不工作 */ xWriteCH376Cmd(CMD11_SET_USB_MODE); /* 设备USB工作模式 */ xWriteCH376Data(0x06); s = xReadCH376Data( ); if (s != CMD_RET_SUCCESS) { sprintf((char*)string,"USB_Disk is wrong init!\n",UpdateSize); USART_Send_string(string); quit(); } //++++++++++++++++++++++END+++++++++++++++++++++++++++++++++ //检查U盘是否连接好 i = 0; while(CH376DiskConnect() != USB_INT_SUCCESS) { if(++i > 5) { sprintf((char*)string,"USB_Disk is not Connection!\n",UpdateSize); USART_Send_string(string); quit(); } delay_ms(100); } i = 0; // 对于检测到USB设备的,最多等待10*50mS if(CH376DiskMount() != USB_INT_SUCCESS) { if(++i > 5) { sprintf((char*)string,"USB_Disk Test Wrong!\n",UpdateSize); USART_Send_string(string); quit(); } delay_ms(100); } //打开升级文件 s = CH376FileOpen("J8A-1.U");//每台机子,对应升级文件。 if (s == ERR_MISS_FILE) //没有找到升级文件则退出 { CH376FileClose(TRUE); sprintf((char*)string,"I can't fined the Update_File!\n",UpdateSize); USART_Send_string(string); quit(); } UpdateSize = CH376GetFileSize(); sprintf((char*)string,"The Update_File size is :%dl\n",UpdateSize); USART_Send_string(string); LabCount = UpdateSize/SPM_PAGESIZE; lastdatanum = UpdateSize%SPM_PAGESIZE; if(lastdatanum) LabCount++; if(LabCount > (512-32))//mega128的flash页数 { sprintf((char*)string,"The Update_File size is too big!",UpdateSize); USART_Send_string(string); CH376FileClose(FALSE); quit(); } //读取升级文件数据 for(i = 0; i < LabCount; i++) { if(lastdatanum && (i == (LabCount - 1))) { CH376ByteRead(data, lastdatanum, NULL); for(j = lastdatanum; j < SPM_PAGESIZE; j++) data[j] = 0xFF; } else CH376ByteRead(data, SPM_PAGESIZE, NULL); write_one_page(); address = address + SPM_PAGESIZE; //Flash页加1 } //write_one_page(); //收到256字节写入一页Flash中 //address = address + SPM_PAGESIZE; //Flash页加1 //关闭文件 CH376FileClose(FALSE); #endif quit(); } TIFR=TIFR|0x02; } } //每秒向PC机发送一个控制字符"C",等待控制字〈soh〉 while(uart_getchar()!= XMODEM_SOH) //receive the start of Xmodem { if(TIFR & 0x02) //timer0 over flow { if(++timercount > 100) //wait about 1 second { uart_putchar(XMODEM_RECIEVING_WAIT_CHAR); //send a "C" timercount = 0; } TIFR = TIFR&0x02; } } //开始接收数据块 do { if ((packNO == uart_waitchar()) && (packNO ==(~uart_waitchar()))) { //核对数据块编号正确 for(i=0;i<128;i++) //接收128个字节数据 { data[bufferPoint]= uart_waitchar(); bufferPoint++; } crc = (uint)(uart_waitchar())<<8; crc = crc | uart_waitchar(); //接收2个字节的CRC效验字 if(calcrc(&data[bufferPoint-128],128) == crc) //CRC校验验证 { //正确接收128个字节数据 while(bufferPoint >= SPM_PAGESIZE) { //正确接受256个字节的数据 write_one_page(); //收到256字节写入一页Flash中 address = address + SPM_PAGESIZE; //Flash页加1 bufferPoint = 0; } uart_putchar(XMODEM_ACK); //正确收到一个数据块 packNO++; //数据块编号加1 } else { uart_putchar(XMODEM_NAK); //要求重发数据块 } } else { uart_putchar(XMODEM_NAK); //要求重发数据块 } }while(uart_waitchar()!=XMODEM_EOT); //循环接收,直到全部发完 uart_putchar(XMODEM_ACK); //通知PC机全部收到 if(bufferPoint) write_one_page(); //把剩余的数据写入Flash中 quit(); //退出Bootloader程序,从0x0000处执行应用程序 }