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Comments to describe FLASH_MAX_UPGRADE_SIZE

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Larry Snizek
2017-08-18 14:24:54 +01:00
parent 03af8edb1f
commit aba16f7037
1 changed files with 11 additions and 1 deletions
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12
module_dfu/src/flash_interface.c
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@@ -4,8 +4,18 @@
#include <string.h> #include <string.h>
#include <xclib.h> #include <xclib.h>
/* Defines flash area to erase on first DFU download request received
*
* Flash library will round it up to the nearest sector, e.g. 4KB
*
* XS2 internal flash IS25LQ016B takes 70ms to erase one sector
* 128KB will take over 2 seconds, for instance
*
* Your host software might implement a 5sec timeout as per USB spec 9.2.6.1,
* and 5 seconds is just over 300KB
*/
#ifndef FLASH_MAX_UPGRADE_SIZE #ifndef FLASH_MAX_UPGRADE_SIZE
#define FLASH_MAX_UPGRADE_SIZE 128 * 1024 // 128K default #define FLASH_MAX_UPGRADE_SIZE (128 * 1024)
#endif #endif
#define FLASH_ERROR() do {} while(0) #define FLASH_ERROR() do {} while(0)