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Minor correction to the UC3 USB clock division formula (thanks to Kim Blomqvist).

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pull/1469/head
Dean Camera 13 years ago
parent 857641b98e
commit fae71b5780
1 changed files with 1 additions and 1 deletions
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2
LUFA/Drivers/USB/Core/UC3/USBController_UC3.c
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@ -112,7 +112,7 @@ void USB_ResetInterface(void)
AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].pllsel = !(USB_Options & USB_OPT_GCLK_SRC_OSC); AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].pllsel = !(USB_Options & USB_OPT_GCLK_SRC_OSC);
AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].oscsel = !(USB_Options & USB_OPT_GCLK_CHANNEL_0); AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].oscsel = !(USB_Options & USB_OPT_GCLK_CHANNEL_0);
AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].diven = (F_USB != USB_CLOCK_REQUIRED_FREQ); AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].diven = (F_USB != USB_CLOCK_REQUIRED_FREQ);
AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].div = (F_USB == USB_CLOCK_REQUIRED_FREQ) ? 0 : (uint32_t)(((F_USB / USB_CLOCK_REQUIRED_FREQ) - 1) / 2); AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].div = (F_USB == USB_CLOCK_REQUIRED_FREQ) ? 0 : (uint32_t)((F_USB / USB_CLOCK_REQUIRED_FREQ / 2) - 1);
AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].cen = true; AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].cen = true;
USB_INT_DisableAllInterrupts(); USB_INT_DisableAllInterrupts();

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