Read/Write Data IO Control Values

General Description

The values of the ctl parameter to the Cy_DFU_ReadData() and Cy_DFU_WriteData() functions.

• Bit 0:
  • 0, Normal read or write operations.
  • 1, Erase a memory page for write operations. Compare a memory page with the data in the buffer for read operation.
• Bit 1:
  • 0, Read or write with raw data
  • 1, Data received from/to be sent to the DFU Host. May require encryption/decryption or any other special treatment. E.g. read/write a data from/to an address with an offset.
• Bit 2: Reserved.
• Bit 3: Reserved.
• Bit 4 - 31: Unused in DFU SDK. Up to the user to specify it.

Macros
#define	CY_DFU_IOCTL_READ   (0x00U)
	Read data into the buffer.
#define	CY_DFU_IOCTL_COMPARE   (0x01U)
	Compare read data with the data in the buffer.
#define	CY_DFU_IOCTL_WRITE   (0x00U)
	Write the buffer to communication.
#define	CY_DFU_IOCTL_ERASE   (0x01U)
	Erase memory page.
#define	CY_DFU_IOCTL_BHP   (0x02U)
	Data from/to DFU Host. More...

Macro Definition Documentation

CY_DFU_IOCTL_BHP

#define CY_DFU_IOCTL_BHP   (0x02U)

Data from/to DFU Host.

It may require decryption.