tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Rob Purchase
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21#include "pcf50606.h"
22#include "i2c.h"
23
24#define PCF50606_ADDR 0x10
25
26int pcf50606_write(int address, unsigned char val)
27{
28 unsigned char data[] = { address, val };
29 return i2c_write(PCF50606_ADDR, data, 2);
30}
31
32int pcf50606_write_multiple(int address, const unsigned char* buf, int count)
33{
34 int i;
35
36 for (i = 0; i < count; i++)
37 pcf50606_write(address + i, buf[i]);
38
39 return 0;
40}
41
42int pcf50606_read(int address)
43{
44 unsigned char val = -1;
45 i2c_readmem(PCF50606_ADDR, address, &val, 1);
46 return val;
47}
48
49int pcf50606_read_multiple(int address, unsigned char* buf, int count)
50{
51 return i2c_readmem(PCF50606_ADDR, address, buf, count);
52}
53
54void pcf50606_init(void)
55{
56#ifdef COWON_D2
57 /* Set outputs as per OF - further investigation required. */
58 static const char init_data[] =
59 {PCF5060X_DCDEC1, 0xe4,
60 PCF5060X_IOREGC, 0xf5,
61 PCF5060X_D1REGC1, 0xf5,
62 PCF5060X_D2REGC1, 0xe9,
63 PCF5060X_D3REGC1, 0xf8, /* WM8985 3.3v */
64 PCF5060X_DCUDC1, 0xe7,
65 PCF5060X_LPREGC1, 0x0,
66 PCF5060X_LPREGC2, 0x2,
67 0};
68
69 const char* ptr;
70 for (ptr = init_data; *ptr != 0; ptr += 2)
71 pcf50606_write(ptr[0], ptr[1]);
72#endif
73}
74
75#if (defined(IAUDIO_X5) || defined(IAUDIO_M5) || defined(COWON_D2)) && !defined (SIMULATOR)
76void pcf50606_reset_timeout(void)
77{
78 int level = disable_irq_save();
79 pcf50606_write(PCF5060X_OOCC1, pcf50606_read(PCF5060X_OOCC1) | TOTRST);
80 restore_irq(level);
81}
82#endif
83
84void pcf50606_read_adc(int adc, short* res1, short* res2)
85{
86 int adcs1 = 0, adcs2 = 0, adcs3 = 0;
87
88 int level = disable_irq_save();
89
90 pcf50606_write(PCF5060X_ADCC2, (adc<<1) | 1); /* ADC start */
91
92 do {
93 adcs2 = pcf50606_read(PCF5060X_ADCS2);
94 } while (!(adcs2 & 0x80)); /* Busy wait on ADCRDY flag */
95
96 adcs1 = pcf50606_read(PCF5060X_ADCS1);
97 if (res2 != NULL) adcs3 = pcf50606_read(PCF5060X_ADCS3);
98
99 pcf50606_write(PCF5060X_ADCC2, 0); /* ADC stop */
100
101 restore_interrupt(level);
102
103 if (res1 != NULL) *res1 = (adcs1 << 2) | (adcs2 & 3);
104 if (res2 != NULL) *res2 = (adcs3 << 2) | ((adcs2 & 0xC) >> 2);
105}