Книга: Microsoft Windows Embedded CE 6.0 Exam Preparation Kit
Flash Memory Support
Flash Memory Support
Having implemented network communication capabilities, you also must enable the boot loader to download run-time image onto the new hardware platform and pass control to it. Alternately, you can save the run-time image to flash memory. Table 5-4 lists the download and flash memory support functions that you must implement for this purpose if the reference BSP's boot loader does not already support these features.
Table 5-4 Functions for supporting download and flash memory
| Function | Description |
|---|---|
| OEMPreDownload | Sets up the necessary download protocol supported by platform builder. |
| OEMIsFlashAddr | Checks if the image is for flash or RAM. |
| OEMMapMemAddr | Performs temporary remapping of the image to RAM. |
| OEMStartEraseFlash | Prepares to erase flash of enough size to fit the OS image. |
| OEMContinueEraseFlash | Continue erasing flash based on download progress. |
| OEMFinishEraseFlash | Complete the flash erasing once the download is done. |
| OEMWriteFlash | Write OS image to flash. |
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