On 14.05.2013 20:01, kuldeep dhaka wrote:
:
> while coding (embedded devices) i got an idea.
>
> void uart_send_param(uint8_t before, uint8_t after, uint8_t default_value)
> {
> uint8_t i = 0;
>
> uart_send(ASCII_ESCAPE);
> uart_send(before);
>
> while(before < vt100_param_getcount())
> {
> if(vt100_param_get(i) != default_value)
> {
> uart_send_int(vt100_param_get(i));
> }
>
> if(++i < vt100_param_getcount())
> uart_send(VT100_PARAM_DELIMITER);
> }
>
> uart_send(after);
> }
>
> in the above code, after sending uart_send(before) , "before" is no more
> useful to me.
Perhaps I'm mistaken, bit what about the "before" usage one statement later?
Do I understand correctly, that you want recycle variable space? If so:
don't care, let the compiler handle such situations.
If you are in doubt, generate assember output of your differently
optimized sources and compare them.
Hardy
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