mcuzone 发表于 2013-12-17 21:23:31

K70例程018: 片上1MFlash_Block_Swap演示

使用J-LinkV8
IAR版本6.6
调试串口波特率：115200

实验现象：
编译并下载调试程序,根据串口提示信息进行测试,swap前我们读取0x0000和0x80000地址的数据,swap后再次读取0x0000和0x80000的数据，发现swap后相同，也就是说swap操作把0x0000-0x7ffff的数据块覆盖了0x80000-0xfffff的数据块。

串口输出信息：
External Pin Reset

K70-256pin      Silicon rev 1.0
Flash parameter version 0.0.8.0
Flash version ID 1.0.18.0

/********************************************************/
/*            Flash Block Swap Demo                   */
/********************************************************/

Program Flash Half 1 (Blocks 2/3) located at address 0x0000
Executing from Program Flash Half 1 (Blocks 2/3)

Initializing Flash Driver: Success!
Checking Swap System Status: Success!
Swap Mode: Ready

    helpHelp                      help <cmd>
   setSet Config                set <option value>
    showShow Config               show <option>
       rFTFL read long words      r <addr>
    swapFTFL pflash swap firmware update demo swap

FTFL>r 0x0
00000000: 2000FFF8
FTFL>r 0x80000
00080000: FFFFFFFF
FTFL>swap
/********************************************************/
/*       Swap Demo - Update Firmware and Swap         */
/********************************************************/
Swap Mode: Ready
Swap Mode: Update
Simulating Firmware Update: Erasing
Erase First Block of Upper Half: Success!
Verify First Block of Upper Half: Success!
Erase Second Block of Upper Half: Success!
Verify Second Block of Upper Half: Success!
Swap Mode: Update Erased
Simulating Firmware Update: Programming
Copying contents of the lower half to the upper half
avoiding swap indicator location
Copying : Success!
Checking contents: Success!
Swap Mode: Complete
Swap Success!
Performing Software Reset
in 1 seconds...

Software Reset

K70-256pin      Silicon rev 1.0
Flash parameter version 0.0.8.0
Flash version ID 1.0.18.0

/********************************************************/
/*            Flash Block Swap Demo                   */
/********************************************************/

Program Flash Half 0 (Blocks 0/1) located at address 0x0000
Executing from Program Flash Half 0 (Blocks 0/1)

Initializing Flash Driver: Success!
Checking Swap System Status: Success!
Swap Mode: Ready

    helpHelp                      help <cmd>
   setSet Config                set <option value>
    showShow Config               show <option>
       rFTFL read long words      r <addr>
    swapFTFL pflash swap firmware update demo swap

FTFL>r 0x0000
00000000: 2000FFF8
FTFL>r 0x80000
00080000: 2000FFF8
FTFL>

mcuzone 发表于 2013-12-17 21:24:05

FLASH地址

mcuzone 发表于 2013-12-17 21:24:41

SWAP前, 并进行SWAP操作

mcuzone 发表于 2013-12-17 21:25:15

swap后的结果

mcuzone 发表于 2013-12-17 21:25:58

源码包:

duqinglin 发表于 2013-12-17 22:38:41

这个功能有什么作用？

jinyi7016 发表于 2015-2-25 15:01:27

受益匪浅啊！！好详细
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