STM32F4 discovery (LQFP100 )

artas110 · ‎2013-01-16

Posted on January 16, 2013 at 11:33

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Tesla DeLorean · ‎2013-01-16

Posted on January 16, 2013 at 13:57

USART_SendData(

) sends a single 8-bit character, doubles are 64-bit so would require 8 bytes to be sent for the binary representation. If you want ASCII representation you'd need to convert the double back to ASCII.

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John F. · ‎2013-01-16

Posted on January 16, 2013 at 14:17

Sounds like a homework question. If you have received a string including a valid representation of a number you can convert it to a ''double'' value using the atof() C library function.

Have a look at,

http://www.elook.org/programming/c/atof.html

for example.