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| author | Karl Kurbjun <kkurbjun@gmail.com> | 2007-02-12 07:05:15 +0000 |
|---|---|---|
| committer | Karl Kurbjun <kkurbjun@gmail.com> | 2007-02-12 07:05:15 +0000 |
| commit | b0810520be34bbcedeadab92e4bf63d04af03720 (patch) | |
| tree | 957160cdecd233f455172dbc88b629fa05475c5e /firmware/target/arm | |
| parent | ce584280ab74aadf8496d73dd8374328e24542f7 (diff) | |
| download | rockbox-b0810520be34bbcedeadab92e4bf63d04af03720.tar.gz rockbox-b0810520be34bbcedeadab92e4bf63d04af03720.zip | |
Gigabeat Cradle USB Support
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12284 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm')
| -rw-r--r-- | firmware/target/arm/gigabeat/meg-fx/usb-meg-fx.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/firmware/target/arm/gigabeat/meg-fx/usb-meg-fx.c b/firmware/target/arm/gigabeat/meg-fx/usb-meg-fx.c index 2415a099ba..503bb54069 100644 --- a/firmware/target/arm/gigabeat/meg-fx/usb-meg-fx.c +++ b/firmware/target/arm/gigabeat/meg-fx/usb-meg-fx.c @@ -31,21 +31,21 @@ #define USB_VPLUS_PWR_ASSERT GPBDAT |= (1 << 6) #define USB_VPLUS_PWR_DEASSERT GPBDAT &= ~(1 << 6) -#define USB_IS_PRESENT (!(GPFDAT & 1)) - +#define USB_UNIT_IS_PRESENT !(GPFDAT & 0x01) +#define USB_CRADLE_IS_PRESENT ((GPFDAT &0x02)&&!(GPGDAT&0x00004000)) +#define USB_CRADLE_BUS_ENABLE GPHDAT |= (1 << 8) +#define USB_CRADLE_BUS_DISABLE GPHDAT &= ~(1 << 8) /* The usb detect is one pin to the cpu active low */ inline bool usb_detect(void) { - return USB_IS_PRESENT; + return USB_UNIT_IS_PRESENT | USB_CRADLE_IS_PRESENT; } - - void usb_init_device(void) { - USB_VPLUS_PWR_ASSERT; + USB_VPLUS_PWR_ASSERT; sleep(HZ/20); /* Reset the usb port */ @@ -70,22 +70,22 @@ void usb_init_device(void) sleep(HZ/25); } - - void usb_enable(bool on) { if (on) { - /* make sure ata_en is high */ + /* make sure ata_en is high */ USB_VPLUS_PWR_ASSERT; - USB_ATA_ENABLE; + USB_ATA_ENABLE; + if(USB_CRADLE_IS_PRESENT) USB_CRADLE_BUS_ENABLE; } else { /* make sure ata_en is low */ + if(USB_CRADLE_IS_PRESENT) USB_CRADLE_BUS_DISABLE; USB_ATA_DISABLE; USB_VPLUS_PWR_DEASSERT; } - + sleep(HZ/20); // > 50ms for detecting the enable state change } |