Revision 1602 trunk/code/projects/fp_math/main.c

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main.c
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#include <serial.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include "fp_math.h"
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#define X_IN 0
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#define Y_OUT 1
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#define FP_COS 2
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#define FP_SIN 3
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#define FP_TAN 4
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#define EXIT 5
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int main(int argc, char** argv) { 
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	int32_t i,j;
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	int32_t i, x, y;
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	char buf[128];
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	usb_init();
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	usb_init();
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	usb_puts("USB Initialized\n\r");
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	for(i=0; i < 10000; i++) { 
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		//Random number / sign
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		x = random();
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		x = ((rand() >> 2) & 1) ? x : -x;
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	for(i=10000; i < 11000; i+=5) { 
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		sprintf(buf, "fp_cos(%ld) = %ld\n\r", i,  fp_cos(i));
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		usb_puts(buf);
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		usb_putc(X_IN);
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		for(i=0; i < 32; i += 8) 
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			usb_putc((x >> i)  & 0xFF);
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		y = fp_cos(x);	
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		usb_putc(Y_OUT);
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		for(i=0; i < 32; i += 8) 
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			usb_putc((y >> i)  & 0xFF);
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		usb_putc(FP_COS);
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		//sprintf(buf, "%ld = cos(%ld)\n\r", y, x);
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		//usb_puts(buf);
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	}
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	usb_putc(EXIT);
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	while(1);
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}
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