Minor code style fixes, documentation improvements.

[pub/lufa.git] / LUFA / Drivers / USB / Core / XMEGA / USBController_XMEGA.c

diff --git a/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.c b/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.c
index b5de862..9958980 100644 (file)
--- a/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.c
+++ b/LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.c
@@ -110,7 +110,6 @@ void USB_Disable(void)
 void USB_ResetInterface(void)
 {
        uint8_t PrescalerNeeded;
-       uint8_t nbit = 0;
 
        #if defined(USB_DEVICE_OPT_FULLSPEED)
        if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
@@ -121,12 +120,14 @@ void USB_ResetInterface(void)
        PrescalerNeeded = F_USB / 6000000;
        #endif
 
-       while (PrescalerNeeded && nbit < 7) {
+       uint8_t DividerIndex = 0;
+       while (PrescalerNeeded > 0)
+       {
+               DividerIndex++;
                PrescalerNeeded >>= 1;
-               nbit++;
        }
 
-       CLK.USBCTRL = (nbit - 1) << CLK_USBPSDIV_gp;
+       CLK.USBCTRL = (DividerIndex - 1) << CLK_USBPSDIV_gp;
 
        if (USB_Options & USB_OPT_PLLCLKSRC)
          CLK.USBCTRL |= (CLK_USBSRC_PLL_gc   | CLK_USBSEN_bm);