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Complete initial revision of the XMEGA Clock Management platform driver.

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Start the USB clock source generator inside USB_ResetInterface() for XMEGA devices.
This commit is contained in:
Dean Camera 2011-07-14 11:31:12 +00:00
parent c8e5176465
commit ffa8b430c1
6 changed files with 173 additions and 92 deletions
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17
LUFA/Platform/UC3/ClockManagement.h
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@ -123,12 +123,12 @@
*
* \return Boolean \c true if the external oscillator was successfully started, \c false if invalid parameters specified.
*/
static inline uint8_t AVR32CLK_StartExternalOscillator(const uint8_t Channel,
const uint8_t Type,
const uint8_t Startup) ATTR_ALWAYS_INLINE;
static inline uint8_t AVR32CLK_StartExternalOscillator(const uint8_t Channel,
const uint8_t Type,
const uint8_t Startup)
static inline bool AVR32CLK_StartExternalOscillator(const uint8_t Channel,
const uint8_t Type,
const uint8_t Startup) ATTR_ALWAYS_INLINE;
static inline bool AVR32CLK_StartExternalOscillator(const uint8_t Channel,
const uint8_t Type,
const uint8_t Startup)
{
switch (Channel)
{
@ -161,6 +161,8 @@
}
/** Starts the given PLL of the UC3 microcontroller, with the given options. This routine blocks until the PLL is ready for use.
*
* \note The output frequency must be equal to or greater than the source frequency.
*
* \param[in] Channel Index of the PLL to start.
* \param[in] Source Clock source for the PLL, a value from \ref UC3_System_ClockSource_t.
@ -178,6 +180,9 @@
const uint32_t SourceFreq,
const uint32_t Frequency)
{
if (SourceFreq > Frequency)
return false;
switch (Source)
{
case CLOCK_SRC_OSC0: