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comparison target-utils/c139explore/dac.c @ 39:280826b807e3

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c139explore: dac and dacon commands added for exercising the vibrator
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 26 Oct 2016 01:53:12 +0000
parents
children 7ecb70b0ac36
comparison
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38:c90b1fff224a 39:280826b807e3
1 /*
2 * Code for exercising Motorola's vibrator, which is driven
3 * via the Iota auxiliary DAC on this phone.
4 */
5
6 #include <sys/types.h>
7 #include "types.h"
8 #include "abbdefs.h"
9
10 void
11 cmd_dacon()
12 {
13 abb_reg_write(TOGBR1, 0x20);
14 }
15
16 void
17 cmd_dac(argbulk)
18 char *argbulk;
19 {
20 char *argv[2];
21 u32 val;
22
23 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
24 return;
25 val = strtoul(argv[0], 0, 0);
26 if (val > 0x3FF) {
27 printf("ERROR: argument out of range\n");
28 return;
29 }
30 abb_reg_write(AUXDAC, val);
31 }