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Hex to float
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PostPosted: Thu Mar 22, 2007 12:18 am     Reply with quote
Hi Ttelmah,

i'm able to output the values using scaled integer when i using the printf only. However when i use the printf with tx_putc, there is no output in hyperterminal.
PCM programmer



Joined: 06 Sep 2003
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PostPosted: Thu Mar 22, 2007 1:08 am     Reply with quote
Quote:

#define TX_BUFFER_SIZE (32)
int8 tx_buffer[TX_BUFFER_SIZE],tx_out=0,tx_in=0;
#define tx_empty (tx_out==tx_in)
#define incbuff(x) ((x+1) & ( TX_BUFFER_SIZE -1) )
#define tx_full (incbuff(tx_in)==tx_out)

If the buffer size is a power of 2, the bitmask should be the
buffer size -1. So I think you have to subtract one from
it, as shown above in bold.
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PostPosted: Thu Mar 22, 2007 1:52 am     Reply with quote
I m managed to obtain my output using the EX_STISR.C example. Thanks!
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