diff options
Diffstat (limited to 'protocol/lufa/LUFA-120730/LUFA/Platform')
6 files changed, 0 insertions, 1174 deletions
diff --git a/protocol/lufa/LUFA-120730/LUFA/Platform/Platform.h b/protocol/lufa/LUFA-120730/LUFA/Platform/Platform.h deleted file mode 100644 index 9bd29f5c0..000000000 --- a/protocol/lufa/LUFA-120730/LUFA/Platform/Platform.h +++ /dev/null @@ -1,80 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2012.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- * \brief Architecture Specific Hardware Platform Drivers.
- *
- * This file is the master dispatch header file for the device-specific hardware platform drivers, for low level
- * hardware configuration and management. The platform drivers are a set of drivers which are designed to provide
- * a high level management layer for the various low level system functions such as clock control and interrupt
- * management.
- *
- * User code may choose to either include this master dispatch header file to include all available platform
- * driver header files for the current architecture, or may choose to only include the specific platform driver
- * modules required for a particular application.
- */
-
-/** \defgroup Group_PlatformDrivers System Platform Drivers - LUFA/Platform/Platform.h
- * \brief Hardware platform drivers.
- *
- * \section Sec_Dependencies Module Source Dependencies
- * The following files must be built with any user project that uses this module:
- * - <b>UC3 Architecture Only:</b> LUFA/Platform/UC3/InterruptManagement.c <i>(Makefile source module name: LUFA_SRC_PLATFORM)</i>
- * - <b>UC3 Architecture Only:</b> LUFA/Platform/UC3/Exception.S <i>(Makefile source module name: LUFA_SRC_PLATFORM)</i>
- *
- * \section Sec_ModDescription Module Description
- * Device-specific hardware platform drivers, for low level hardware configuration and management. The platform
- * drivers are a set of drivers which are designed to provide a high level management layer for the various low level
- * system functions such as clock control and interrupt management.
- *
- * User code may choose to either include this master dispatch header file to include all available platform
- * driver header files for the current architecture, or may choose to only include the specific platform driver
- * modules required for a particular application.
- *
- * \note The exact APIs and availability of sub-modules within the platform driver group may vary depending on the
- * target used - see individual target module documentation for the API specific to your target processor.
- */
-
-#ifndef __LUFA_PLATFORM_H__
-#define __LUFA_PLATFORM_H__
-
- /* Includes: */
- #include "../Common/Common.h"
-
- /* Includes: */
- #if (ARCH == ARCH_UC3)
- #include "UC3/ClockManagement.h"
- #include "UC3/InterruptManagement.h"
- #elif (ARCH == ARCH_XMEGA)
- #include "XMEGA/ClockManagement.h"
- #endif
-
-#endif
-
diff --git a/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/ClockManagement.h b/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/ClockManagement.h deleted file mode 100644 index fb62fdcc9..000000000 --- a/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/ClockManagement.h +++ /dev/null @@ -1,338 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2012.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- * \brief Module Clock Driver for the AVR32 UC3 microcontrollers.
- *
- * Clock management driver for the AVR32 UC3 microcontrollers. This driver allows for the configuration
- * of the various clocks within the device to clock the various peripherals.
- */
-
-/** \ingroup Group_PlatformDrivers_UC3
- * \defgroup Group_PlatformDrivers_UC3Clocks Clock Management Driver - LUFA/Platform/UC3/ClockManagement.h
- * \brief Module Clock Driver for the AVR32 UC3 microcontrollers.
- *
- * \section Sec_Dependencies Module Source Dependencies
- * The following files must be built with any user project that uses this module:
- * - None
- *
- * \section Sec_ModDescription Module Description
- * Clock management driver for the AVR32 UC3 microcontrollers. This driver allows for the configuration
- * of the various clocks within the device to clock the various peripherals.
- *
- * Usage Example:
- * \code
- * #include <LUFA/Platform/UC3/ClockManagement.h>
- *
- * void main(void)
- * {
- * // Start the master external oscillator which will be used as the main clock reference
- * AVR32CLK_StartExternalOscillator(0, EXOSC_MODE_8MHZ_OR_MORE, EXOSC_START_0CLK);
- *
- * // Start the PLL for the CPU clock, switch CPU to it
- * AVR32CLK_StartPLL(0, CLOCK_SRC_OSC0, 12000000, F_CPU);
- * AVR32CLK_SetCPUClockSource(CLOCK_SRC_PLL0, F_CPU);
- *
- * // Start the PLL for the USB Generic Clock module
- * AVR32CLK_StartPLL(1, CLOCK_SRC_OSC0, 12000000, 48000000);
- * }
- * \endcode
- *
- * @{
- */
-
-#ifndef _UC3_CLOCK_MANAGEMENT_H_
-#define _UC3_CLOCK_MANAGEMENT_H_
-
- /* Includes: */
- #include "../../Common/Common.h"
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** Enum for the possible external oscillator types. */
- enum UC3_Extern_OSC_ClockTypes_t
- {
- EXOSC_MODE_CLOCK = AVR32_PM_OSCCTRL0_MODE_EXT_CLOCK, /**< External clock (non-crystal) mode. */
- EXOSC_MODE_900KHZ_MAX = AVR32_PM_OSCCTRL0_MODE_CRYSTAL_G0, /**< External crystal oscillator equal to or slower than 900KHz. */
- EXOSC_MODE_3MHZ_MAX = AVR32_PM_OSCCTRL0_MODE_CRYSTAL_G1, /**< External crystal oscillator equal to or slower than 3MHz. */
- EXOSC_MODE_8MHZ_MAX = AVR32_PM_OSCCTRL0_MODE_CRYSTAL_G2, /**< External crystal oscillator equal to or slower than 8MHz. */
- EXOSC_MODE_8MHZ_OR_MORE = AVR32_PM_OSCCTRL0_MODE_CRYSTAL_G3, /**< External crystal oscillator equal to or faster than 8MHz. */
- };
-
- /** Enum for the possible external oscillator startup times. */
- enum UC3_Extern_OSC_ClockStartup_t
- {
- EXOSC_START_0CLK = AVR32_PM_OSCCTRL0_STARTUP_0_RCOSC, /**< Immediate startup, no delay. */
- EXOSC_START_64CLK = AVR32_PM_OSCCTRL0_STARTUP_64_RCOSC, /**< Wait 64 clock cycles before startup for stability. */
- EXOSC_START_128CLK = AVR32_PM_OSCCTRL0_STARTUP_128_RCOSC, /**< Wait 128 clock cycles before startup for stability. */
- EXOSC_START_2048CLK = AVR32_PM_OSCCTRL0_STARTUP_2048_RCOSC, /**< Wait 2048 clock cycles before startup for stability. */
- EXOSC_START_4096CLK = AVR32_PM_OSCCTRL0_STARTUP_4096_RCOSC, /**< Wait 4096 clock cycles before startup for stability. */
- EXOSC_START_8192CLK = AVR32_PM_OSCCTRL0_STARTUP_8192_RCOSC, /**< Wait 8192 clock cycles before startup for stability. */
- EXOSC_START_16384CLK = AVR32_PM_OSCCTRL0_STARTUP_16384_RCOSC, /**< Wait 16384 clock cycles before startup for stability. */
- };
-
- /** Enum for the possible module clock sources. */
- enum UC3_System_ClockSource_t
- {
- CLOCK_SRC_SLOW_CLK = 0, /**< Clock sourced from the internal slow clock. */
- CLOCK_SRC_OSC0 = 1, /**< Clock sourced from the Oscillator 0 clock. */
- CLOCK_SRC_OSC1 = 2, /**< Clock sourced from the Oscillator 1 clock. */
- CLOCK_SRC_PLL0 = 3, /**< Clock sourced from the PLL 0 clock. */
- CLOCK_SRC_PLL1 = 4, /**< Clock sourced from the PLL 1 clock. */
- };
-
- /* Inline Functions: */
- /** Starts the given external oscillator of the UC3 microcontroller, with the given options. This routine blocks until
- * the oscillator is ready for use.
- *
- * \param[in] Channel Index of the external oscillator to start.
- * \param[in] Type Type of clock attached to the given oscillator channel, a value from \ref UC3_Extern_OSC_ClockTypes_t.
- * \param[in] Startup Statup time of the external oscillator, a value from \ref UC3_Extern_OSC_ClockStartup_t.
- *
- * \return Boolean \c true if the external oscillator was successfully started, \c false if invalid parameters specified.
- */
- 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)
- {
- case 0:
- AVR32_PM.OSCCTRL0.startup = Startup;
- AVR32_PM.OSCCTRL0.mode = Type;
- break;
- case 1:
- AVR32_PM.OSCCTRL1.startup = Startup;
- AVR32_PM.OSCCTRL1.mode = Type;
- break;
- default:
- return false;
- }
-
- AVR32_PM.mcctrl |= (1 << (AVR32_PM_MCCTRL_OSC0EN_OFFSET + Channel));
-
- while (!(AVR32_PM.poscsr & (1 << (AVR32_PM_POSCSR_OSC0RDY_OFFSET + Channel))));
- return true;
- }
-
- /** Stops the given external oscillator of the UC3 microcontroller.
- *
- * \param[in] Channel Index of the external oscillator to stop.
- */
- static inline void AVR32CLK_StopExternalOscillator(const uint8_t Channel) ATTR_ALWAYS_INLINE;
- static inline void AVR32CLK_StopExternalOscillator(const uint8_t Channel)
- {
- AVR32_PM.mcctrl &= ~(1 << (AVR32_PM_MCCTRL_OSC0EN_OFFSET + Channel));
- }
-
- /** Starts the given PLL of the UC3 microcontroller, with the given options. This routine blocks until the PLL is ready for use.
- *
- * \attention 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.
- * \param[in] SourceFreq Frequency of the PLL's clock source, in Hz.
- * \param[in] Frequency Target frequency of the PLL's output.
- *
- * \return Boolean \c true if the PLL was successfully started, \c false if invalid parameters specified.
- */
- static inline bool AVR32CLK_StartPLL(const uint8_t Channel,
- const uint8_t Source,
- const uint32_t SourceFreq,
- const uint32_t Frequency) ATTR_ALWAYS_INLINE;
- static inline bool AVR32CLK_StartPLL(const uint8_t Channel,
- const uint8_t Source,
- const uint32_t SourceFreq,
- const uint32_t Frequency)
- {
- if (SourceFreq > Frequency)
- return false;
-
- switch (Source)
- {
- case CLOCK_SRC_OSC0:
- AVR32_PM.PLL[Channel].pllosc = 0;
- break;
- case CLOCK_SRC_OSC1:
- AVR32_PM.PLL[Channel].pllosc = 1;
- break;
- default:
- return false;
- }
-
- AVR32_PM.PLL[Channel].pllmul = (Frequency / SourceFreq) ? (((Frequency / SourceFreq) - 1) / 2) : 0;
- AVR32_PM.PLL[Channel].plldiv = 0;
- AVR32_PM.PLL[Channel].pllen = true;
-
- while (!(AVR32_PM.poscsr & (1 << (AVR32_PM_POSCSR_LOCK0_OFFSET + Channel))));
- return true;
- }
-
- /** Stops the given PLL of the UC3 microcontroller.
- *
- * \param[in] Channel Index of the PLL to stop.
- */
- static inline void AVR32CLK_StopPLL(const uint8_t Channel) ATTR_ALWAYS_INLINE;
- static inline void AVR32CLK_StopPLL(const uint8_t Channel)
- {
- AVR32_PM.PLL[Channel].pllen = false;
- }
-
- /** Starts the given Generic Clock of the UC3 microcontroller, with the given options.
- *
- * \param[in] Channel Index of the Generic Clock to start.
- * \param[in] Source Clock source for the Generic Clock, a value from \ref UC3_System_ClockSource_t.
- * \param[in] SourceFreq Frequency of the Generic Clock's clock source, in Hz.
- * \param[in] Frequency Target frequency of the Generic Clock's output.
- *
- * \return Boolean \c true if the Generic Clock was successfully started, \c false if invalid parameters specified.
- */
- static inline bool AVR32CLK_StartGenericClock(const uint8_t Channel,
- const uint8_t Source,
- const uint32_t SourceFreq,
- const uint32_t Frequency) ATTR_ALWAYS_INLINE;
- static inline bool AVR32CLK_StartGenericClock(const uint8_t Channel,
- const uint8_t Source,
- const uint32_t SourceFreq,
- const uint32_t Frequency)
- {
- if (Channel >= AVR32_PM_GCLK_NUM)
- return false;
-
- if (SourceFreq < Frequency)
- return false;
-
- switch (Source)
- {
- case CLOCK_SRC_OSC0:
- AVR32_PM.GCCTRL[Channel].pllsel = false;
- AVR32_PM.GCCTRL[Channel].oscsel = 0;
- break;
- case CLOCK_SRC_OSC1:
- AVR32_PM.GCCTRL[Channel].pllsel = false;
- AVR32_PM.GCCTRL[Channel].oscsel = 1;
- break;
- case CLOCK_SRC_PLL0:
- AVR32_PM.GCCTRL[Channel].pllsel = true;
- AVR32_PM.GCCTRL[Channel].oscsel = 0;
- break;
- case CLOCK_SRC_PLL1:
- AVR32_PM.GCCTRL[Channel].pllsel = true;
- AVR32_PM.GCCTRL[Channel].oscsel = 1;
- break;
- default:
- return false;
- }
-
- AVR32_PM.GCCTRL[Channel].diven = (SourceFreq > Frequency) ? true : false;
- AVR32_PM.GCCTRL[Channel].div = (((SourceFreq / Frequency) - 1) / 2);
- AVR32_PM.GCCTRL[Channel].cen = true;
-
- return true;
- }
-
- /** Stops the given generic clock of the UC3 microcontroller.
- *
- * \param[in] Channel Index of the generic clock to stop.
- *
- * \return Boolean \c true if the generic clock was sucessfully stopped, \c false if invalid parameters specified.
- */
- static inline bool AVR32CLK_StopGenericClock(const uint8_t Channel) ATTR_ALWAYS_INLINE;
- static inline bool AVR32CLK_StopGenericClock(const uint8_t Channel)
- {
- if (Channel >= AVR32_PM_GCLK_NUM)
- return false;
-
- AVR32_PM.GCCTRL[Channel].cen = false;
-
- return true;
- }
-
- /** Sets the clock source for the main microcontroller core. The given clock source should be configured
- * and ready for use before this function is called.
- *
- * This function will configure the FLASH controller's wait states automatically to suit the given clock source.
- *
- * \param[in] Source Clock source for the CPU core, a value from \ref UC3_System_ClockSource_t.
- * \param[in] SourceFreq Frequency of the CPU core's clock source, in Hz.
- *
- * \return Boolean \c true if the CPU core clock was sucessfully altered, \c false if invalid parameters specified.
- */
- static inline bool AVR32CLK_SetCPUClockSource(const uint8_t Source,
- const uint32_t SourceFreq) ATTR_ALWAYS_INLINE;
- static inline bool AVR32CLK_SetCPUClockSource(const uint8_t Source,
- const uint32_t SourceFreq)
- {
- if (SourceFreq > AVR32_PM_CPU_MAX_FREQ)
- return false;
-
- AVR32_FLASHC.FCR.fws = (SourceFreq > AVR32_FLASHC_FWS_0_MAX_FREQ) ? true : false;
-
- switch (Source)
- {
- #if defined(AVR32_PM_MCCTRL_MCSEL_SLOW)
- case CLOCK_SRC_SLOW_CLK:
- AVR32_PM.MCCTRL.mcsel = AVR32_PM_MCCTRL_MCSEL_SLOW;
- break;
- #endif
- #if defined(AVR32_PM_MCCTRL_MCSEL_OSC0)
- case CLOCK_SRC_OSC0:
- AVR32_PM.MCCTRL.mcsel = AVR32_PM_MCCTRL_MCSEL_OSC0;
- break;
- #endif
- #if defined(AVR32_PM_MCCTRL_MCSEL_PLL0)
- case CLOCK_SRC_PLL0:
- AVR32_PM.MCCTRL.mcsel = AVR32_PM_MCCTRL_MCSEL_PLL0;
- break;
- #endif
- default:
- return false;
- }
-
- return true;
- }
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
diff --git a/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/Exception.S b/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/Exception.S deleted file mode 100644 index 1666323e5..000000000 --- a/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/Exception.S +++ /dev/null @@ -1,128 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-#if defined(__AVR32__)
-#include <avr32/io.h>
-
-.section .exception_handlers, "ax", @progbits
-
-// ================= EXCEPTION TABLE ================
-.balign 0x200
-.global EVBA_Table
-EVBA_Table:
-
-.org 0x000
-Exception_Unrecoverable_Exception:
- rjmp $
-.org 0x004
-Exception_TLB_Multiple_Hit:
- rjmp $
-.org 0x008
-Exception_Bus_Error_Data_Fetch:
- rjmp $
-.org 0x00C
-Exception_Bus_Error_Instruction_Fetch:
- rjmp $
-.org 0x010
-Exception_NMI:
- rjmp $
-.org 0x014
-Exception_Instruction_Address:
- rjmp $
-.org 0x018
-Exception_ITLB_Protection:
- rjmp $
-.org 0x01C
-Exception_OCD_Breakpoint:
- rjmp $
-.org 0x020
-Exception_Illegal_Opcode:
- rjmp $
-.org 0x024
-Exception_Unimplemented_Instruction:
- rjmp $
-.org 0x028
-Exception_Privilege_Violation:
- rjmp $
-.org 0x02C
-Exception_Floating_Point:
- rjmp $
-.org 0x030
-Exception_Coprocessor_Absent:
- rjmp $
-.org 0x034
-Exception_Data_Address_Read:
- rjmp $
-.org 0x038
-Exception_Data_Address_Write:
- rjmp $
-.org 0x03C
-Exception_DTLB_Protection_Read:
- rjmp $
-.org 0x040
-Exception_DTLB_Protection_Write:
- rjmp $
-.org 0x044
-Exception_DTLB_Modified:
- rjmp $
-.org 0x050
-Exception_ITLB_Miss:
- rjmp $
-.org 0x060
-Exception_DTLB_Miss_Read:
- rjmp $
-.org 0x070
-Exception_DTLB_Miss_Write:
- rjmp $
-.org 0x100
-Exception_Supervisor_Call:
- rjmp $
-// ============== END OF EXCEPTION TABLE =============
-
-// ============= GENERAL INTERRUPT HANDLER ===========
-.balign 4
-.irp Level, 0, 1, 2, 3
-Exception_INT\Level:
- mov r12, \Level
- call INTC_GetInterruptHandler
- mov pc, r12
-.endr
-// ========= END OF GENERAL INTERRUPT HANDLER ========
-
-// ====== GENERAL INTERRUPT HANDLER OFFSET TABLE ======
-.balign 4
-.global Autovector_Table
-Autovector_Table:
-.irp Level, 0, 1, 2, 3
- .word ((AVR32_INTC_INT0 + \Level) << AVR32_INTC_IPR_INTLEVEL_OFFSET) | (Exception_INT\Level - EVBA_Table)
-.endr
-// === END OF GENERAL INTERRUPT HANDLER OFFSET TABLE ===
-
-#endif
diff --git a/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/InterruptManagement.c b/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/InterruptManagement.c deleted file mode 100644 index 84e16ba20..000000000 --- a/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/InterruptManagement.c +++ /dev/null @@ -1,68 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2012.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-#include "../../Common/Common.h"
-#if (ARCH == ARCH_UC3)
-
-#define __INCLUDE_FROM_INTMANAGEMENT_C
-#include "InterruptManagement.h"
-
-/** Interrupt vector table, containing the ISR to call for each interrupt group */
-InterruptHandlerPtr_t InterruptHandlers[AVR32_INTC_NUM_INT_GRPS];
-
-/** ISR for unhandled interrupt groups */
-ISR(Unhandled_Interrupt)
-{
- for (;;);
-}
-
-/** Retrieves the associated interrupt handler for the interrupt group currently being fired. This
- * is called directly from the exception handler routine before dispatching to the ISR.
- */
-InterruptHandlerPtr_t INTC_GetInterruptHandler(const uint_reg_t InterruptLevel)
-{
- return InterruptHandlers[AVR32_INTC.icr[AVR32_INTC_INT3 - InterruptLevel]];
-}
-
-/** Initializes the interrupt controller ready to handle interrupts. This must be called at the
- * start of the user program before any interrupts are registered or enabled.
- */
-void INTC_Init(void)
-{
- for (uint8_t InterruptGroup = 0; InterruptGroup < AVR32_INTC_NUM_INT_GRPS; InterruptGroup++)
- {
- InterruptHandlers[InterruptGroup] = Unhandled_Interrupt;
- AVR32_INTC.ipr[InterruptGroup] = Autovector_Table[AVR32_INTC_INT0];
- }
-
- __builtin_mtsr(AVR32_EVBA, (uintptr_t)&EVBA_Table);
-}
-
-#endif
diff --git a/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/InterruptManagement.h b/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/InterruptManagement.h deleted file mode 100644 index b0e1e3ec1..000000000 --- a/protocol/lufa/LUFA-120730/LUFA/Platform/UC3/InterruptManagement.h +++ /dev/null @@ -1,163 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2012.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- * \brief Interrupt Controller Driver for the AVR32 UC3 microcontrollers.
- *
- * Interrupt controller driver for the AVR32 UC3 microcontrollers, for the configuration of interrupt
- * handlers within the device.
- */
-
-/** \ingroup Group_PlatformDrivers_UC3
- * \defgroup Group_PlatformDrivers_UC3Interrupts Interrupt Controller Driver - LUFA/Platform/UC3/InterruptManagement.h
- * \brief Interrupt Controller Driver for the AVR32 UC3 microcontrollers.
- *
- * \section Sec_Dependencies Module Source Dependencies
- * The following files must be built with any user project that uses this module:
- * - LUFA/Platform/UC3/InterruptManagement.c <i>(Makefile source module name: LUFA_SRC_PLATFORM)</i>
- * - LUFA/Platform/UC3/Exception.S <i>(Makefile source module name: LUFA_SRC_PLATFORM)</i>
- *
- * \section Sec_ModDescription Module Description
- * Interrupt controller driver for the AVR32 UC3 microcontrollers, for the configuration of interrupt
- * handlers within the device.
- *
- * Usage Example:
- * \code
- * #include <LUFA/Platform/UC3/InterruptManagement.h>
- *
- * ISR(USB_Group_IRQ_Handler)
- * {
- * // USB group handler code here
- * }
- *
- * void main(void)
- * {
- * INTC_Init();
- * INTC_RegisterGroupHandler(INTC_IRQ_GROUP(AVR32_USBB_IRQ), AVR32_INTC_INT0, USB_Group_IRQ_Handler);
- * }
- * \endcode
- *
- * @{
- */
-
-#ifndef _UC3_INTERRUPT_MANAGEMENT_H_
-#define _UC3_INTERRUPT_MANAGEMENT_H_
-
- /* Includes: */
- #include "../../Common/Common.h"
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Private Interface - For use in library only: */
- #if !defined(__DOXYGEN__)
- /* Type Defines: */
- typedef void (*InterruptHandlerPtr_t)(void);
-
- /* External Variables: */
- #if defined(__INCLUDE_FROM_INTMANAGEMENT_C)
- extern const void EVBA_Table;
- #endif
- extern InterruptHandlerPtr_t InterruptHandlers[AVR32_INTC_NUM_INT_GRPS];
- extern const uint32_t Autovector_Table[];
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** Converts a given interrupt index into its associated interrupt group.
- *
- * \param[in] IRQIndex Index of the interrupt request to convert.
- *
- * \return Interrupt group number associated with the interrupt index.
- */
- #define INTC_IRQ_GROUP(IRQIndex) (IRQIndex / 32)
-
- /** Converts a given interrupt index into its associated interrupt line.
- *
- * \param[in] IRQIndex Index of the interrupt request to convert.
- *
- * \return Interrupt line number associated with the interrupt index.
- */
- #define INTC_IRQ_LINE(IRQIndex) (IRQIndex % 32)
-
- /* Function Prototypes: */
- void INTC_Init(void);
- InterruptHandlerPtr_t INTC_GetInterruptHandler(const uint_reg_t InterruptLevel);
-
- /* Inline Functions: */
- /** Registers a handler for a given interrupt group. On the AVR32 UC3 devices, interrupts are grouped by
- * peripheral. To save on SRAM used, a single ISR handles all interrupt lines within a single group - to
- * determine the exact line that has interrupted within the group ISR handler, use \ref INTC_GetGroupInterrupts().
- *
- * If multiple interrupts with the same group are registered, the last registered handler will become the
- * handler called for interrupts raised within that group.
- *
- * To obtain the group number of a specific interrupt index, use the \ref INTC_IRQ_GROUP() macro.
- *
- * \param[in] GroupNumber Group number of the interrupt group to register a handler for.
- * \param[in] InterruptLevel Priority level for the specified interrupt, a \c AVR32_INTC_INT* mask.
- * \param[in] Handler Address of the ISR handler for the interrupt group.
- */
- static inline void INTC_RegisterGroupHandler(const uint16_t GroupNumber,
- const uint8_t InterruptLevel,
- const InterruptHandlerPtr_t Handler) ATTR_ALWAYS_INLINE;
- static inline void INTC_RegisterGroupHandler(const uint16_t GroupNumber,
- const uint8_t InterruptLevel,
- const InterruptHandlerPtr_t Handler)
- {
- InterruptHandlers[GroupNumber] = Handler;
- AVR32_INTC.ipr[GroupNumber] = Autovector_Table[InterruptLevel];
- }
-
- /** Retrieves the pending interrupts for a given interrupt group. The result of this function should be masked
- * against interrupt request indexes converted to a request line number via the \ref INTC_IRQ_LINE() macro. To
- * obtain the group number of a given interrupt request, use the \ref INTC_IRQ_GROUP() macro.
- *
- * \param[in] GroupNumber Group number of the interrupt group to check.
- *
- * \return Mask of pending interrupt lines for the given interrupt group.
- */
- static inline uint_reg_t INTC_GetGroupInterrupts(const uint16_t GroupNumber) ATTR_ALWAYS_INLINE;
- static inline uint_reg_t INTC_GetGroupInterrupts(const uint16_t GroupNumber)
- {
- return AVR32_INTC.irr[GroupNumber];
- }
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
diff --git a/protocol/lufa/LUFA-120730/LUFA/Platform/XMEGA/ClockManagement.h b/protocol/lufa/LUFA-120730/LUFA/Platform/XMEGA/ClockManagement.h deleted file mode 100644 index cd9c5f49e..000000000 --- a/protocol/lufa/LUFA-120730/LUFA/Platform/XMEGA/ClockManagement.h +++ /dev/null @@ -1,397 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2012.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- * \brief Module Clock Driver for the AVR USB XMEGA microcontrollers.
- *
- * Clock management driver for the AVR USB XMEGA microcontrollers. This driver allows for the configuration
- * of the various clocks within the device to clock the various peripherals.
- */
-
-/** \ingroup Group_PlatformDrivers_XMEGA
- * \defgroup Group_PlatformDrivers_XMEGAClocks Clock Management Driver - LUFA/Platform/XMEGA/ClockManagement.h
- * \brief Module Clock Driver for the AVR USB XMEGA microcontrollers.
- *
- * \section Sec_Dependencies Module Source Dependencies
- * The following files must be built with any user project that uses this module:
- * - None
- *
- * \section Sec_ModDescription Module Description
- * Clock management driver for the AVR USB XMEGA microcontrollers. This driver allows for the configuration
- * of the various clocks within the device to clock the various peripherals.
- *
- * Usage Example:
- * \code
- * #include <LUFA/Platform/XMEGA/ClockManagement.h>
- *
- * void main(void)
- * {
- * // Start the PLL to multiply the 2MHz RC oscillator to F_CPU 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 F_USB 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);
- * }
- * \endcode
- *
- * @{
- */
-
-#ifndef _XMEGA_CLOCK_MANAGEMENT_H_
-#define _XMEGA_CLOCK_MANAGEMENT_H_
-
- /* Includes: */
- #include "../../Common/Common.h"
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** Enum for the possible external oscillator frequency ranges. */
- enum XMEGA_Extern_OSC_ClockFrequency_t
- {
- EXOSC_FREQ_2MHZ_MAX = OSC_FRQRANGE_04TO2_gc, /**< External crystal oscillator equal to or slower than 2MHz. */
- EXOSC_FREQ_9MHZ_MAX = OSC_FRQRANGE_2TO9_gc, /**< External crystal oscillator equal to or slower than 9MHz. */
- EXOSC_FREQ_12MHZ_MAX = OSC_FRQRANGE_9TO12_gc, /**< External crystal oscillator equal to or slower than 12MHz. */
- EXOSC_FREQ_16MHZ_MAX = OSC_FRQRANGE_12TO16_gc, /**< External crystal oscillator equal to or slower than 16MHz. */
- };
-
- /** Enum for the possible external oscillator startup times. */
- enum XMEGA_Extern_OSC_ClockStartup_t
- {
- EXOSC_START_6CLK = OSC_XOSCSEL_EXTCLK_gc, /**< Wait 6 clock cycles before startup (external clock). */
- EXOSC_START_32KCLK = OSC_XOSCSEL_32KHz_gc, /**< Wait 32K clock cycles before startup (32.768KHz crystal). */
- EXOSC_START_256CLK = OSC_XOSCSEL_XTAL_256CLK_gc, /**< Wait 256 clock cycles before startup. */
- EXOSC_START_1KCLK = OSC_XOSCSEL_XTAL_1KCLK_gc, /**< Wait 1K clock cycles before startup. */
- EXOSC_START_16KCLK = OSC_XOSCSEL_XTAL_16KCLK_gc, /**< Wait 16K clock cycles before startup. */
- };
-
- /** Enum for the possible module clock sources. */
- enum XMEGA_System_ClockSource_t
- {
- CLOCK_SRC_INT_RC2MHZ = 0, /**< Clock sourced from the Internal 2MHz RC Oscillator clock. */
- CLOCK_SRC_INT_RC32MHZ = 1, /**< Clock sourced from the Internal 32MHz RC Oscillator clock. */
- CLOCK_SRC_INT_RC32KHZ = 2, /**< Clock sourced from the Internal 32KHz RC Oscillator clock. */
- CLOCK_SRC_XOSC = 3, /**< Clock sourced from the External Oscillator clock. */
- CLOCK_SRC_PLL = 4, /**< Clock sourced from the Internal PLL clock. */
- };
-
- /** Enum for the possible DFLL clock reference sources. */
- enum XMEGA_System_DFLLReference_t
- {
- DFLL_REF_INT_RC32KHZ = 0, /**< Reference clock sourced from the Internal 32KHz RC Oscillator clock. */
- DFLL_REF_EXT_RC32KHZ = 1, /**< Reference clock sourced from the External 32KHz RC Oscillator clock connected to TOSC pins. */
- DFLL_REF_INT_USBSOF = 2, /**< Reference clock sourced from the USB Start Of Frame packets. */
- };
-
- /* Inline Functions: */
- /** Write a value to a location protected by the XMEGA CCP protection mechanism. This function uses inline assembly to ensure that
- * the protected address is written to within four clock cycles of the CCP key being written.
- *
- * \param[in] Address Address to write to, a memory address protected by the CCP mechanism
- * \param[in] Value Value to write to the protected location
- */
- static inline void XMEGACLK_CCP_Write(volatile void* Address, const uint8_t Value) ATTR_ALWAYS_INLINE;
- static inline void XMEGACLK_CCP_Write(volatile void* Address, const uint8_t Value)
- {
- __asm__ __volatile__ (
- "out %0, __zero_reg__" "\n\t" /* Zero RAMPZ using fixed zero value register */
- "movw r30, %1" "\n\t" /* Copy address to Z register pair */
- "out %2, %3" "\n\t" /* Write key to CCP register */
- "st Z, %4" "\n\t" /* Indirectly write value to address */
- : /* No output operands */
- : /* Input operands: */ "m" (RAMPZ), "e" (Address), "m" (CCP), "r" (CCP_IOREG_gc), "r" (Value)
- : /* Clobbered registers: */ "r30", "r31"
- );
- }
-
- /** Starts the external oscillator of the XMEGA microcontroller, with the given options. This routine blocks until
- * the oscillator is ready for use.
- *
- * \param[in] FreqRange Frequency range of the external oscillator, a value from \ref XMEGA_Extern_OSC_ClockFrequency_t.
- * \param[in] Startup Startup time of the external oscillator, a value from \ref XMEGA_Extern_OSC_ClockStartup_t.
- *
- * \return Boolean \c true if the external oscillator was successfully started, \c false if invalid parameters specified.
- */
- static inline bool XMEGACLK_StartExternalOscillator(const uint8_t FreqRange,
- const uint8_t Startup) ATTR_ALWAYS_INLINE;
- static inline bool XMEGACLK_StartExternalOscillator(const uint8_t FreqRange,
- const uint8_t Startup)
- {
- OSC.XOSCCTRL = (FreqRange | ((Startup == EXOSC_START_32KCLK) ? OSC_X32KLPM_bm : 0) | Startup);
- OSC.CTRL |= OSC_XOSCEN_bm;
-
- while (!(OSC.STATUS & OSC_XOSCRDY_bm));
- return true;
- }
-
- /** Stops the external oscillator of the XMEGA microcontroller. */
- static inline void XMEGACLK_StopExternalOscillator(void) ATTR_ALWAYS_INLINE;
- static inline void XMEGACLK_StopExternalOscillator(void)
- {
- OSC.CTRL &= ~OSC_XOSCEN_bm;
- }
-
- /** Starts the given internal oscillator of the XMEGA microcontroller, with the given options. This routine blocks until
- * the oscillator is ready for use.
- *
- * \param[in] Source Internal oscillator to start, a value from \ref XMEGA_System_ClockSource_t.
- *
- * \return Boolean \c true if the internal oscillator was successfully started, \c false if invalid parameters specified.
- */
- static inline uint8_t XMEGACLK_StartInternalOscillator(const uint8_t Source) ATTR_ALWAYS_INLINE;
- static inline uint8_t XMEGACLK_StartInternalOscillator(const uint8_t Source)
- {
- switch (Source)
- {
- case CLOCK_SRC_INT_RC2MHZ:
- OSC.CTRL |= OSC_RC2MEN_bm;
- while (!(OSC.STATUS & OSC_RC2MRDY_bm));
- return true;
- case CLOCK_SRC_INT_RC32MHZ:
- OSC.CTRL |= OSC_RC32MEN_bm;
- while (!(OSC.STATUS & OSC_RC32MRDY_bm));
- return true;
- case CLOCK_SRC_INT_RC32KHZ:
- OSC.CTRL |= OSC_RC32KEN_bm;
- while (!(OSC.STATUS & OSC_RC32KRDY_bm));
- return true;
- }
-
- return false;
- }
-
- /** Stops the given internal oscillator of the XMEGA microcontroller.
- *
- * \param[in] Source Internal oscillator to stop, a value from \ref XMEGA_System_ClockSource_t.
- *
- * \return Boolean \c true if the internal oscillator was successfully stopped, \c false if invalid parameters specified.
- */
- static inline bool XMEGACLK_StopInternalOscillator(const uint8_t Source) ATTR_ALWAYS_INLINE;
- static inline bool XMEGACLK_StopInternalOscillator(const uint8_t Source)
- {
- switch (Source)
- {
- case CLOCK_SRC_INT_RC2MHZ:
- OSC.CTRL &= ~OSC_RC2MEN_bm;
- return true;
- case CLOCK_SRC_INT_RC32MHZ:
- OSC.CTRL &= ~OSC_RC32MEN_bm;
- return true;
- case CLOCK_SRC_INT_RC32KHZ:
- OSC.CTRL &= ~OSC_RC32KEN_bm;
- return true;
- }
-
- return false;
- }
-
- /** Starts the PLL of the XMEGA microcontroller, with the given options. This routine blocks until the PLL is ready for use.
- *
- * \attention The output frequency must be equal to or greater than the source frequency.
- *
- * \param[in] Source Clock source for the PLL, a value from \ref XMEGA_System_ClockSource_t.
- * \param[in] SourceFreq Frequency of the PLL's clock source, in Hz.
- * \param[in] Frequency Target frequency of the PLL's output.
- *
- * \return Boolean \c true if the PLL was successfully started, \c false if invalid parameters specified.
- */
- static inline bool XMEGACLK_StartPLL(const uint8_t Source,
- const uint32_t SourceFreq,
- const uint32_t Frequency) ATTR_ALWAYS_INLINE;
- static inline bool XMEGACLK_StartPLL(const uint8_t Source,
- const uint32_t SourceFreq,
- const uint32_t Frequency)
- {
- uint8_t MulFactor = (Frequency / SourceFreq);
-
- if (SourceFreq > Frequency)
- return false;
-
- if (MulFactor > 31)
- return false;
-
- switch (Source)
- {
- case CLOCK_SRC_INT_RC2MHZ:
- OSC.PLLCTRL = (OSC_PLLSRC_RC2M_gc | MulFactor);
- break;
- case CLOCK_SRC_INT_RC32MHZ:
- OSC.PLLCTRL = (OSC_PLLSRC_RC32M_gc | MulFactor);
- break;
- case CLOCK_SRC_XOSC:
- OSC.PLLCTRL = (OSC_PLLSRC_XOSC_gc | MulFactor);
- break;
- default:
- return false;
- }
-
- OSC.CTRL |= OSC_PLLEN_bm;
-
- while (!(OSC.STATUS & OSC_PLLRDY_bm));
- return true;
- }
-
- /** Stops the PLL of the XMEGA microcontroller. */
- static inline void XMEGACLK_StopPLL(void) ATTR_ALWAYS_INLINE;
- static inline void XMEGACLK_StopPLL(void)
- {
- OSC.CTRL &= ~OSC_PLLEN_bm;
- }
-
- /** Starts the DFLL of the XMEGA microcontroller, with the given options.
- *
- * \param[in] Source RC Clock source for the DFLL, a value from \ref XMEGA_System_ClockSource_t.
- * \param[in] Reference Reference clock source for the DFLL, an value from \ref XMEGA_System_DFLLReference_t.
- * \param[in] Frequency Target frequency of the DFLL's output.
- *
- * \return Boolean \c true if the DFLL was successfully started, \c false if invalid parameters specified.
- */
- static inline bool XMEGACLK_StartDFLL(const uint8_t Source,
- const uint8_t Reference,
- const uint32_t Frequency) ATTR_ALWAYS_INLINE;
- static inline bool XMEGACLK_StartDFLL(const uint8_t Source,
- const uint8_t Reference,
- const uint32_t Frequency)
- {
- uint16_t DFLLCompare = (Frequency / 1000);
-
- switch (Source)
- {
- case CLOCK_SRC_INT_RC2MHZ:
- OSC.DFLLCTRL |= (Reference << OSC_RC2MCREF_bp);
- DFLLRC2M.COMP1 = (DFLLCompare & 0xFF);
- DFLLRC2M.COMP2 = (DFLLCompare >> 8);
- DFLLRC2M.CTRL = DFLL_ENABLE_bm;
- break;
- case CLOCK_SRC_INT_RC32MHZ:
- OSC.DFLLCTRL |= (Reference << OSC_RC32MCREF_gp);
- DFLLRC32M.COMP1 = (DFLLCompare & 0xFF);
- DFLLRC32M.COMP2 = (DFLLCompare >> 8);
-
- if (Reference == DFLL_REF_INT_USBSOF)
- {
- NVM.CMD = NVM_CMD_READ_CALIB_ROW_gc;
- DFLLRC32M.CALA = pgm_read_byte(offsetof(NVM_PROD_SIGNATURES_t, USBRCOSCA));
- DFLLRC32M.CALB = pgm_read_byte(offsetof(NVM_PROD_SIGNATURES_t, USBRCOSC));
- NVM.CMD = 0;
- }
-
- DFLLRC32M.CTRL = DFLL_ENABLE_bm;
- break;
- default:
- return false;
- }
-
- return true;
- }
-
- /** Stops the given DFLL of the XMEGA microcontroller.
- *
- * \param[in] Source RC Clock source for the DFLL to be stopped, a value from \ref XMEGA_System_ClockSource_t.
- *
- * \return Boolean \c true if the DFLL was successfully stopped, \c false if invalid parameters specified.
- */
- static inline bool XMEGACLK_StopDFLL(const uint8_t Source) ATTR_ALWAYS_INLINE;
- static inline bool XMEGACLK_StopDFLL(const uint8_t Source)
- {
- switch (Source)
- {
- case CLOCK_SRC_INT_RC2MHZ:
- DFLLRC2M.CTRL = 0;
- break;
- case CLOCK_SRC_INT_RC32MHZ:
- DFLLRC32M.CTRL = 0;
- break;
- default:
- return false;
- }
-
- return true;
- }
-
- /** Sets the clock source for the main microcontroller core. The given clock source should be configured
- * and ready for use before this function is called.
- *
- * \param[in] Source Clock source for the CPU core, a value from \ref XMEGA_System_ClockSource_t.
- *
- * \return Boolean \c true if the CPU core clock was successfully altered, \c false if invalid parameters specified.
- */
- static inline bool XMEGACLK_SetCPUClockSource(const uint8_t Source) ATTR_ALWAYS_INLINE;
- static inline bool XMEGACLK_SetCPUClockSource(const uint8_t Source)
- {
- uint8_t ClockSourceMask = 0;
-
- switch (Source)
- {
- case CLOCK_SRC_INT_RC2MHZ:
- ClockSourceMask = CLK_SCLKSEL_RC2M_gc;
- break;
- case CLOCK_SRC_INT_RC32MHZ:
- ClockSourceMask = CLK_SCLKSEL_RC32M_gc;
- break;
- case CLOCK_SRC_INT_RC32KHZ:
- ClockSourceMask = CLK_SCLKSEL_RC32K_gc;
- break;
- case CLOCK_SRC_XOSC:
- ClockSourceMask = CLK_SCLKSEL_XOSC_gc;
- break;
- case CLOCK_SRC_PLL:
- ClockSourceMask = CLK_SCLKSEL_PLL_gc;
- break;
- default:
- return false;
- }
-
- uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask();
- GlobalInterruptDisable();
-
- XMEGACLK_CCP_Write(&CLK.CTRL, ClockSourceMask);
-
- SetGlobalInterruptMask(CurrentGlobalInt);
-
- Delay_MS(1);
- return (CLK.CTRL == ClockSourceMask);
- }
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
|