FreeCalypso > hg > freecalypso-tools

annotate target-utils/lunadrv/regcmd.c @ 805:a43c5dc251dc

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doc/User-phone-tools: new sms-pdu-decode backslash escapes
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 25 Mar 2021 05:10:43 +0000
parents 36e6a1ff9608
children
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36e6a1ff9608 lunadrv: rd and wr commands added
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1 /*
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2 * Handy commands for reading and writing LCD controller registers.
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3 */
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4
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5 #include <sys/types.h>
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6 #include "types.h"
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7 #include "luna.h"
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8
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9 void
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10 cmd_rd(argbulk)
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11 char *argbulk;
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12 {
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13 char *argv[2];
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14 u_long regno;
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15
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16 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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17 return;
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18 if (parse_hexarg(argv[0], 4, &regno) < 0) {
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19 printf("ERROR: regno argument must be a valid 16-bit hex word\n");
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20 return;
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21 }
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22 LCD_IR = regno;
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23 printf("%04X\n", LCD_DR);
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24 }
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25
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26 void
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27 cmd_wr(argbulk)
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28 char *argbulk;
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29 {
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30 char *argv[3];
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31 u_long regno, value;
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32
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33 if (parse_args(argbulk, 2, 2, argv, 0) < 0)
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34 return;
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35 if (parse_hexarg(argv[0], 4, &regno) < 0) {
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36 printf("ERROR: regno argument must be a valid 16-bit hex word\n");
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37 return;
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38 }
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39 if (parse_hexarg(argv[1], 4, &value) < 0) {
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40 printf("ERROR: value argument must be a valid 16-bit hex word\n");
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41 return;
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42 }
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43 LCD_IR = regno;
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44 LCD_DR = value;
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45 }