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/*
* Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/* generate precalculated tables */
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include "stfm1000-regs.h"
static void generate_tune1(void)
{
int start, end;
int ndiv; // N Divider in PLL
int incr; // Increment in PLL
int cicosr; // CIC oversampling ratio
int sdnominal; // value to serve pilot/interpolator loop in SD
int i, temp; // used in tuning table construction
start = STFM1000_FREQUENCY_100KHZ_MIN;
end = start + STFM1000_FREQUENCY_100KHZ_RANGE;
printf("const struct stfm1000_tune1\n"
"stfm1000_tune1_table[STFM1000_FREQUENCY_100KHZ_RANGE] = {\n");
for (i = start; i < end; i++) {
ndiv = (int)((i+14)/15) - 48;
incr = i - (int)(i/15)*15;
cicosr = (int)(i*2/3.0/16.0 + 0.5);
sdnominal = (int)(i*100.0e3/1.5/(double)cicosr/2.0/2.0*2.0*8.0*256.0/228.0e3*65536);
temp = 0x00000000; // clear
temp = temp | ((cicosr<<9) & STFM1000_TUNE1_CICOSR); // bits[14:9] 0x00007E00
temp = temp | ((ndiv<<4) & STFM1000_TUNE1_PLL_DIV); // bits[8:4] 0x000001F0
temp = temp | ((incr) & STFM1000_TUNE1_PLL_DIV); // bits[3:0] 0x0000000F
printf("\t[%d - STFM1000_FREQUENCY_100KHZ_MIN] = "
"{ .tune1 = 0x%08x, .sdnom = 0x%08x },\n",
i, temp, sdnominal);
}
printf("};\n");
}
int main(int argc, char *argv[])
{
printf("#include \"stfm1000-regs.h\"\n\n");
generate_tune1();
return 0;
}
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