diff options
Diffstat (limited to 'firmware/target/sh/archos/recorder/usb-recorder.c')
-rw-r--r-- | firmware/target/sh/archos/recorder/usb-recorder.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/firmware/target/sh/archos/recorder/usb-recorder.c b/firmware/target/sh/archos/recorder/usb-recorder.c new file mode 100644 index 0000000000..2934b32a3c --- /dev/null +++ b/firmware/target/sh/archos/recorder/usb-recorder.c | |||
@@ -0,0 +1,46 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2007 by Jens Arnold | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | #include "config.h" | ||
20 | #include <stdbool.h> | ||
21 | #include "adc.h" | ||
22 | #include "cpu.h" | ||
23 | #include "hwcompat.h" | ||
24 | #include "system.h" | ||
25 | |||
26 | bool usb_detect(void) | ||
27 | { | ||
28 | return (adc_read(ADC_USB_POWER) > 500) ? true : false; | ||
29 | } | ||
30 | |||
31 | void usb_enable(bool on) | ||
32 | { | ||
33 | if(read_hw_mask() & USB_ACTIVE_HIGH) | ||
34 | on = !on; | ||
35 | |||
36 | if(on) | ||
37 | and_b(~0x04, &PADRH); /* enable USB */ | ||
38 | else | ||
39 | or_b(0x04, &PADRH); | ||
40 | } | ||
41 | |||
42 | void usb_init_device(void) | ||
43 | { | ||
44 | usb_enable(false); | ||
45 | or_b(0x04, &PAIORH); | ||
46 | } | ||