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linux下usb问题
下面是datasheet中的数据(zc0301的):
Table 12 System Control Register Address Symbol Register Name Default Access 0180H SysCon System control register 00H R/W 0181H SysOp System enable register 00H R/W 0183H ImWidthH Image width high byte 02H R/W 0184H ImWidthL Image width low byte 80H R/W 0185H ImHeightH Image height high byte 01H R/W 0186H ImHeightL Image height low byte E0H R/W 0187H TbrcReg JPEG BRC register 00H R/W 0188H QuanReg JPEG Quantization register 00H R/W 0189H LEVEL1_ADDR Target image size for state 1 40H R/W 018AH LEVEL2_ADDR Target image size for state 2 60H R/W 018BH LEVEL3_ADDR Target image size for state 3 80H R/W 018DH CustomID Custom ID RO 018EH FrameConEn Frame Control Enable 01H R/W 018FH Frame State Frame Control State RO 0190H LEVEL1Data_add Hblank value for state 1 0AH R/W 0191H LEVEL2Data_add Hblank value for state 2 1BH R/W 0192H LEVEL3Data_add Hblank value for state 3 3CH R/W 请问做linux下的驱动,我想读或者写上面的数据,应该怎么做呢? 用usb_string()吗? |
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