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Ensure device address latch bit is not set at the same time as the new address, as per datasheet.

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Minor documentation fixes.

Fix broken USB host mode due to the USB frame counter not being updated during the early enumeration steps, causing USB_Host_DelayMS() to spinloop forever.
This commit is contained in:
Dean Camera
2010-09-19 05:46:17 +00:00
parent cce8760b91
commit 01fecac0a7
8 changed files with 38 additions and 15 deletions
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3
LUFA/Drivers/USB/LowLevel/Device.h
View File

@@ -221,7 +221,8 @@
static inline void USB_Device_SetDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE;
static inline void USB_Device_SetDeviceAddress(const uint8_t Address)
{
UDADDR = ((1 << ADDEN) | (Address & 0x7F));
UDADDR = ((UDADDR & (1 << ADDEN)) | (Address & 0x7F));
UDADDR |= (1 << ADDEN);
}
#endif

19
LUFA/Drivers/USB/LowLevel/Host.c
View File

@@ -194,19 +194,21 @@ void USB_Host_ProcessNextHostState(void)
uint8_t USB_Host_WaitMS(uint8_t MS)
{
bool BusSuspended = USB_Host_IsBusSuspended();
uint8_t ErrorCode = HOST_WAITERROR_Successful;
uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber();
bool BusSuspended = USB_Host_IsBusSuspended();
uint8_t ErrorCode = HOST_WAITERROR_Successful;
USB_Host_ResumeBus();
bool HSOFIEnabled = USB_INT_IsEnabled(USB_INT_HSOFI);
USB_INT_Disable(USB_INT_HSOFI);
USB_INT_Clear(USB_INT_HSOFI);
while (MS)
{
uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber();
if (CurrentFrameNumber != PreviousFrameNumber)
if (USB_INT_HasOccurred(USB_INT_HSOFI))
{
PreviousFrameNumber = CurrentFrameNumber;
USB_INT_Clear(USB_INT_HSOFI);
MS--;
}
@@ -234,6 +236,9 @@ uint8_t USB_Host_WaitMS(uint8_t MS)
}
}
if (HSOFIEnabled)
USB_INT_Enable(USB_INT_HSOFI);
if (BusSuspended)
USB_Host_SuspendBus();

12
LUFA/Drivers/USB/LowLevel/USBInterrupt.c
View File

@@ -34,14 +34,17 @@
void USB_INT_DisableAllInterrupts(void)
{
#if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
USBCON &= ~((1 << VBUSTE) | (1 << IDTE));
USBCON &= ~((1 << OTGPADE) | (1 << VBUSTE) | (1 << IDTE));
#elif defined(USB_SERIES_4_AVR)
USBCON &= ~(1 << VBUSTE);
#endif
#if defined(USB_CAN_BE_BOTH)
OTGIEN = 0;
#endif
#if defined(USB_CAN_BE_HOST)
UHIEN = 0;
OTGIEN = 0;
#endif
#if defined(USB_CAN_BE_DEVICE)
@@ -55,9 +58,12 @@ void USB_INT_ClearAllInterrupts(void)
USBINT = 0;
#endif
#if defined(USB_CAN_BE_BOTH)
OTGINT = 0;
#endif
#if defined(USB_CAN_BE_HOST)
UHINT = 0;
OTGINT = 0;
#endif
#if defined(USB_CAN_BE_DEVICE)