[U-Boot] Mathematics operation on uboot variables

23 Nov
2010
23 Nov
'10
1:53 p.m.
Hi
Is there any way to use mathematics operation on uboot environment or uboot local variables? since $varA+$varB and $(varA+varB) just save the string.
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25 Nov
25 Nov
1:19 p.m.
Hi Eran,
Is there any way to use mathematics operation on uboot environment or uboot local variables? since $varA+$varB and $(varA+varB) just save the string.
You need to include CONFIG_CMD_SETEXPR in your configuration for such a functionality. See common/cmd_setexpr.c.
Cheers Detlev
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participants (2)
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Detlev Zundel
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Eran Y