annotate rvinterf/etmsync/piradccal.c @ 416:30f6d1c32c6f

doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents 886f65760d09
children
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886f65760d09 fc-tmsync: added pirelli-vbat-cal command to read Pirelli's ADC calibration
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1 /*
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2 * This module is linked into fc-tmsync and implements a command for
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3 * retrieving Pirelli's VBAT ADC calibration.
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4 */
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5
886f65760d09 fc-tmsync: added pirelli-vbat-cal command to read Pirelli's ADC calibration
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6 #include <sys/types.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include "localtypes.h"
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12 #include "exitcodes.h"
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13
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14 get_pirelli_vbat_cal()
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15 {
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16 u_char bytes[2];
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17 int a, b;
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18 int rc;
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19
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20 rc = do_memory_read(0x027F06E5, bytes, 2);
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21 if (rc)
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22 return(rc);
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23 a = bytes[0] | (bytes[1] << 8);
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24 rc = do_memory_read(0x027F06F7, bytes, 2);
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25 if (rc)
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26 return(rc);
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27 b = bytes[0] | (bytes[1] << 8);
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28 if (b >= 32768)
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29 b -= 65536;
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30 printf("A=%d B=%d\n", a, b);
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31 return(0);
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32 }