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在用2440板子的SD卡时,发现系统每读一次SD卡的内容,就会从串口发一些数据出来,而使系统的读卡速度变的很慢,请问有什么办法可以解决吗? SD卡驱动文件我这边就只有SDBusDriver.dll、SDCSDCard.dll和SDMemory.dll这三个文件,我想换掉这三个文件就可以了,请问谁有啊,可否提供一下,或者要是有源代码最好啦,万分感激! 邮箱:chen-billy@163.com
以下为读卡时的串口信息: SDCSDSlotOptionHandler:0x1 BUS Width 1Bit charlie::Prescale for Real clock rate = 156, pRate:100000 CMD:5,0x0 SD_API_STATUS_CMD_RESPONSE_TIMEOUT BusRequestHandler Error - command:0x05 CMD:5,0x0 SD_API_STATUS_CMD_RESPONSE_TIMEOUT BusRequestHandler Error - command:0x05 CMD:5,0x0 SD_API_STATUS_CMD_RESPONSE_TIMEOUT BusRequestHandler Error - command:0x05 CMD:5,0x0 SD_API_STATUS_CMD_RESPONSE_TIMEOUT BusRequestHandler Error - command:0x05 CMD:0,0x0 CMD:1,0x300000 SD_API_STATUS_CMD_RESPONSE_TIMEOUT BusRequestHandler Error - command:0x01 CMD:1,0x300000 SD_API_STATUS_CMD_RESPONSE_TIMEOUT BusRequestHandler Error - command:0x01 CMD:1,0x300000 SD_API_STATUS_CMD_RESPONSE_TIMEOUT BusRequestHandler Error - command:0x01 CMD:1,0x300000 SD_API_STATUS_CMD_RESPONSE_TIMEOUT BusRequestHandler Error - command:0x01 CMD:55,0x0 Card status error:0x400120,CMD:55 CMD:41,0x0 SDCSDSlotOptionHandler:0x0 SDCSDSlotOptionHandler - called - SetSlotPower : 0x00100000 CMD:0,0x0 CMD:55,0x0 CMD:41,0x100000 CMD:55,0x0 CMD:41,0x100000 CMD:55,0x0 CMD:41,0x100000 CMD:55,0x0 CMD:41,0x100000 CMD:55,0x0 CMD:41,0x100000 CMD:55,0x0 CMD:41,0x100000 CMD:2,0x0 CMD:3,0x0 CMD:9,0x3ac10000 CMD:13,0x3ac10000 CMD:7,0x3ac10000 CMD:55,0x3ac10000 CMD:51,0x0 CMD:55,0x3ac10000 CMD:42,0x0 SDCSDSlotOptionHandler:0x5 SDCSDSlotOptionHandler - called - SDHCDGetWriteProtectStatus : on slot 0 CMD:55,0x3ac10000 CMD:6,0x2 SDCSDSlotOptionHandler:0x1 BUS Width 4Bit charlie::Prescale for Real clock rate = 4, pRate:25000000 CMD:16,0x200 CMD:17,0x0 CMD:17,0x1fa00 CMD:17,0x0 CMD:17,0x1fa00 CMD:17,0x20600 CMD:17,0x3e800 CMD:7,0x0 CMD:13,0x3ac10000 CMD:7,0x3ac10000 CMD:17,0x5ca00 CMD:17,0x5cc00 CMD:17,0x5ce00 CMD:17,0x5d000 CMD:17,0x60a00 CMD:17,0x60c00 CMD:17,0x30000 CMD:17,0x3ecb0a00 CMD:17,0x2e0a00 CMD:17,0x80a00 CMD:17,0x80c00 CMD:18,0x179000 CMD:12,0x0 CMD:18,0x181000 CMD:12,0x0 CMD:18,0x189000 CMD:12,0x0 CMD:18,0x191000 CMD:12,0x0 CMD:18,0x199000 CMD:12,0x0 CMD:18,0x1a1000 CMD:12,0x0 CMD:18,0x1a9000 CMD:12,0x0 CMD:18,0x1b1000 CMD:12,0x0 CMD:18,0x1b9000 CMD:12,0x0 CMD:18,0x1c1000 CMD:12,0x0 CMD:18,0x1c9000 CMD:12,0x0 CMD:18,0x1d1000 CMD:12,0x0 CMD:18,0x1d9000 CMD:12,0x0 CMD:18,0x1e1000 CMD:12,0x0 CMD:18,0x1e9000 CMD:12,0x0 CMD:17,0x1ee600 CMD:18,0x179000 CMD:12,0x0 CMD:18,0x181000 CMD:12,0x0 CMD:18,0x189000 CMD:12,0x0 CMD:18,0x191000 CMD:12,0x0 CMD:18,0x199000 CMD:12,0x0 CMD:18,0x1a1000 CMD:12,0x0 CMD:18,0x1a9000 CMD:12,0x0 CMD:18,0x1b1000 CMD:12,0x0 CMD:18,0x1b9000 CMD:12,0x0 CMD:18,0x1c1000 CMD:12,0x0 CMD:18,0x1c9000 CMD:12,0x0 CMD:18,0x1d1000 CMD:12,0x0 CMD:18,0x1d9000 CMD:12,0x0 CMD:18,0x1e1000 CMD:12,0x0 CMD:18,0x1e9000 CMD:12,0x0 CMD:18,0x179000 CMD:12,0x0 CMD:18,0x181000 CMD:12,0x0 CMD:18,0x189000 CMD:12,0x0 CMD:18,0x191000
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