diff options
Diffstat (limited to 'LUFA/CodeTemplates/DeviceTemplate/DeviceApplication.c')
| -rw-r--r-- | LUFA/CodeTemplates/DeviceTemplate/DeviceApplication.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/LUFA/CodeTemplates/DeviceTemplate/DeviceApplication.c b/LUFA/CodeTemplates/DeviceTemplate/DeviceApplication.c index 893c733a6..e107c8680 100644 --- a/LUFA/CodeTemplates/DeviceTemplate/DeviceApplication.c +++ b/LUFA/CodeTemplates/DeviceTemplate/DeviceApplication.c @@ -55,15 +55,30 @@ int main(void) /** Configures the board hardware and chip peripherals for the demo's functionality. */ void SetupHardware(void) { - /* Disable watchdog if enabled by bootloader/fuses */ - MCUSR &= ~(1 << WDRF); - wdt_disable(); - - /* Disable clock division */ - clock_prescale_set(clock_div_1); - - /* Hardware Initialization */ - USB_Init(USB_MODE_Device, USB_DEVICE_OPT_FULLSPEED | USB_OPT_AUTO_PLL); + #if (ARCH == ARCH_AVR8) + /* Disable watchdog if enabled by bootloader/fuses */ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + /* Disable clock division */ + clock_prescale_set(clock_div_1); + + /* Hardware Initialization */ + USB_Init(USB_MODE_Device, USB_DEVICE_OPT_FULLSPEED | USB_OPT_AUTO_PLL); + #elif (ARCH == ARCH_XMEGA) + /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */ + XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU); + XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL); + + /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */ + XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ); + XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB); + + PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm; + + /* Hardware Initialization */ + USB_Init(USB_OPT_RC32MCLKSRC | USB_OPT_BUSEVENT_PRIHIGH); + #endif } /** Event handler for the library USB Connection event. */ |