diff options
Diffstat (limited to 'atmel-samd/asf/sam0/utils/cmsis/samd21/source')
4 files changed, 687 insertions, 0 deletions
diff --git a/atmel-samd/asf/sam0/utils/cmsis/samd21/source/gcc/startup_samd21.c b/atmel-samd/asf/sam0/utils/cmsis/samd21/source/gcc/startup_samd21.c new file mode 100644 index 000000000..d2611b3d5 --- /dev/null +++ b/atmel-samd/asf/sam0/utils/cmsis/samd21/source/gcc/startup_samd21.c @@ -0,0 +1,282 @@ +/** + * \file + * + * \brief gcc starttup file for SAMD21 + * + * Copyright (c) 2016 Atmel Corporation. All rights reserved. + * + * \asf_license_start + * + * \page License + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. The name of Atmel may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 4. This software may only be redistributed and used in connection with an + * Atmel microcontroller product. + * + * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * \asf_license_stop + * + */ + +#include "samd21.h" + +/* Initialize segments */ +extern uint32_t _sfixed; +extern uint32_t _efixed; +extern uint32_t _etext; +extern uint32_t _srelocate; +extern uint32_t _erelocate; +extern uint32_t _szero; +extern uint32_t _ezero; +extern uint32_t _sstack; +extern uint32_t _estack; + +/** \cond DOXYGEN_SHOULD_SKIP_THIS */ +int main(void); +/** \endcond */ + +void __libc_init_array(void); + +/* Default empty handler */ +void Dummy_Handler(void); + +/* Cortex-M0+ core handlers */ +void NMI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void HardFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SVC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PendSV_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SysTick_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); + +/* Peripherals handlers */ +void PM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SYSCTRL_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void WDT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void RTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void EIC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void NVMCTRL_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void DMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#ifdef ID_USB +void USB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif +void EVSYS_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SERCOM0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SERCOM1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SERCOM2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SERCOM3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#ifdef ID_SERCOM4 +void SERCOM4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_SERCOM5 +void SERCOM5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif +void TCC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TCC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TCC2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#ifdef ID_TC6 +void TC6_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_TC7 +void TC7_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_ADC +void ADC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_AC +void AC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_DAC +void DAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_PTC +void PTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_I2S +void I2S_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_AC1 +void AC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +#endif + +/* Exception Table */ +__attribute__ ((section(".vectors"))) +const DeviceVectors exception_table = { + + /* Configure Initial Stack Pointer, using linker-generated symbols */ + .pvStack = (void*) (&_estack), + + .pfnReset_Handler = (void*) Reset_Handler, + .pfnNMI_Handler = (void*) NMI_Handler, + .pfnHardFault_Handler = (void*) HardFault_Handler, + .pvReservedM12 = (void*) (0UL), /* Reserved */ + .pvReservedM11 = (void*) (0UL), /* Reserved */ + .pvReservedM10 = (void*) (0UL), /* Reserved */ + .pvReservedM9 = (void*) (0UL), /* Reserved */ + .pvReservedM8 = (void*) (0UL), /* Reserved */ + .pvReservedM7 = (void*) (0UL), /* Reserved */ + .pvReservedM6 = (void*) (0UL), /* Reserved */ + .pfnSVC_Handler = (void*) SVC_Handler, + .pvReservedM4 = (void*) (0UL), /* Reserved */ + .pvReservedM3 = (void*) (0UL), /* Reserved */ + .pfnPendSV_Handler = (void*) PendSV_Handler, + .pfnSysTick_Handler = (void*) SysTick_Handler, + + /* Configurable interrupts */ + .pfnPM_Handler = (void*) PM_Handler, /* 0 Power Manager */ + .pfnSYSCTRL_Handler = (void*) SYSCTRL_Handler, /* 1 System Control */ + .pfnWDT_Handler = (void*) WDT_Handler, /* 2 Watchdog Timer */ + .pfnRTC_Handler = (void*) RTC_Handler, /* 3 Real-Time Counter */ + .pfnEIC_Handler = (void*) EIC_Handler, /* 4 External Interrupt Controller */ + .pfnNVMCTRL_Handler = (void*) NVMCTRL_Handler, /* 5 Non-Volatile Memory Controller */ + .pfnDMAC_Handler = (void*) DMAC_Handler, /* 6 Direct Memory Access Controller */ +#ifdef ID_USB + .pfnUSB_Handler = (void*) USB_Handler, /* 7 Universal Serial Bus */ +#else + .pvReserved7 = (void*) (0UL), /* 7 Reserved */ +#endif + .pfnEVSYS_Handler = (void*) EVSYS_Handler, /* 8 Event System Interface */ + .pfnSERCOM0_Handler = (void*) SERCOM0_Handler, /* 9 Serial Communication Interface 0 */ + .pfnSERCOM1_Handler = (void*) SERCOM1_Handler, /* 10 Serial Communication Interface 1 */ + .pfnSERCOM2_Handler = (void*) SERCOM2_Handler, /* 11 Serial Communication Interface 2 */ + .pfnSERCOM3_Handler = (void*) SERCOM3_Handler, /* 12 Serial Communication Interface 3 */ +#ifdef ID_SERCOM4 + .pfnSERCOM4_Handler = (void*) SERCOM4_Handler, /* 13 Serial Communication Interface 4 */ +#else + .pvReserved13 = (void*) (0UL), /* 13 Reserved */ +#endif +#ifdef ID_SERCOM5 + .pfnSERCOM5_Handler = (void*) SERCOM5_Handler, /* 14 Serial Communication Interface 5 */ +#else + .pvReserved14 = (void*) (0UL), /* 14 Reserved */ +#endif + .pfnTCC0_Handler = (void*) TCC0_Handler, /* 15 Timer Counter Control 0 */ + .pfnTCC1_Handler = (void*) TCC1_Handler, /* 16 Timer Counter Control 1 */ + .pfnTCC2_Handler = (void*) TCC2_Handler, /* 17 Timer Counter Control 2 */ + .pfnTC3_Handler = (void*) TC3_Handler, /* 18 Basic Timer Counter 0 */ + .pfnTC4_Handler = (void*) TC4_Handler, /* 19 Basic Timer Counter 1 */ + .pfnTC5_Handler = (void*) TC5_Handler, /* 20 Basic Timer Counter 2 */ +#ifdef ID_TC6 + .pfnTC6_Handler = (void*) TC6_Handler, /* 21 Basic Timer Counter 3 */ +#else + .pvReserved21 = (void*) (0UL), /* 21 Reserved */ +#endif +#ifdef ID_TC7 + .pfnTC7_Handler = (void*) TC7_Handler, /* 22 Basic Timer Counter 4 */ +#else + .pvReserved22 = (void*) (0UL), /* 22 Reserved */ +#endif +#ifdef ID_ADC + .pfnADC_Handler = (void*) ADC_Handler, /* 23 Analog Digital Converter */ +#else + .pvReserved23 = (void*) (0UL), /* 23 Reserved */ +#endif +#ifdef ID_AC + .pfnAC_Handler = (void*) AC_Handler, /* 24 Analog Comparators 0 */ +#else + .pvReserved24 = (void*) (0UL), /* 24 Reserved */ +#endif +#ifdef ID_DAC + .pfnDAC_Handler = (void*) DAC_Handler, /* 25 Digital Analog Converter */ +#else + .pvReserved25 = (void*) (0UL), /* 25 Reserved */ +#endif +#ifdef ID_PTC + .pfnPTC_Handler = (void*) PTC_Handler, /* 26 Peripheral Touch Controller */ +#else + .pvReserved26 = (void*) (0UL), /* 26 Reserved */ +#endif +#ifdef ID_I2S + .pfnI2S_Handler = (void*) I2S_Handler, /* 27 Inter-IC Sound Interface */ +#else + .pvReserved27 = (void*) (0UL), /* 27 Reserved */ +#endif +#ifdef ID_AC1 + .pfnAC1_Handler = (void*) AC1_Handler /* 28 Analog Comparators 1 */ +#else + .pvReserved28 = (void*) (0UL) /* 28 Reserved */ +#endif +}; + +/** + * \brief This is the code that gets called on processor reset. + * To initialize the device, and call the main() routine. + */ +void Reset_Handler(void) +{ + uint32_t *pSrc, *pDest; + + /* Initialize the relocate segment */ + pSrc = &_etext; + pDest = &_srelocate; + + if (pSrc != pDest) { + for (; pDest < &_erelocate;) { + *pDest++ = *pSrc++; + } + } + + /* Clear the zero segment */ + for (pDest = &_szero; pDest < &_ezero;) { + *pDest++ = 0; + } + + /* Set the vector table base address */ + pSrc = (uint32_t *) & _sfixed; + SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk); + + /* Change default QOS values to have the best performance and correct USB behaviour */ + SBMATRIX->SFR[SBMATRIX_SLAVE_HMCRAMC0].reg = 2; +#if defined(ID_USB) + USB->DEVICE.QOSCTRL.bit.CQOS = 2; + USB->DEVICE.QOSCTRL.bit.DQOS = 2; +#endif + DMAC->QOSCTRL.bit.DQOS = 2; + DMAC->QOSCTRL.bit.FQOS = 2; + DMAC->QOSCTRL.bit.WRBQOS = 2; + + /* Overwriting the default value of the NVMCTRL.CTRLB.MANW bit (errata reference 13134) */ + NVMCTRL->CTRLB.bit.MANW = 1; + + /* Initialize the C library */ + __libc_init_array(); + + /* Branch to main function */ + main(); + + /* Infinite loop */ + while (1); +} + +/** + * \brief Default interrupt handler for unused IRQs. + */ +void Dummy_Handler(void) +{ + while (1) { + } +} diff --git a/atmel-samd/asf/sam0/utils/cmsis/samd21/source/iar/startup_samd21.c b/atmel-samd/asf/sam0/utils/cmsis/samd21/source/iar/startup_samd21.c new file mode 100644 index 000000000..2e8aae7d8 --- /dev/null +++ b/atmel-samd/asf/sam0/utils/cmsis/samd21/source/iar/startup_samd21.c @@ -0,0 +1,259 @@ +/** + * \file + * + * Copyright (c) 2016 Atmel Corporation. All rights reserved. + * + * \asf_license_start + * + * \page License + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. The name of Atmel may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 4. This software may only be redistributed and used in connection with an + * Atmel microcontroller product. + * + * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * \asf_license_stop + * + */ + +#include "samd21.h" + +typedef void (*intfunc) (void); +typedef union { intfunc __fun; void * __ptr; } intvec_elem; + +void __iar_program_start(void); +int __low_level_init(void); + +/* Default empty handler */ +void Dummy_Handler(void); + +/* Cortex-M0+ core handlers */ +#pragma weak NMI_Handler = Dummy_Handler +#pragma weak HardFault_Handler = Dummy_Handler +#pragma weak SVC_Handler = Dummy_Handler +#pragma weak PendSV_Handler = Dummy_Handler +#pragma weak SysTick_Handler = Dummy_Handler + +/* Peripherals handlers */ +#pragma weak PM_Handler = Dummy_Handler +#pragma weak SYSCTRL_Handler = Dummy_Handler +#pragma weak WDT_Handler = Dummy_Handler +#pragma weak RTC_Handler = Dummy_Handler +#pragma weak EIC_Handler = Dummy_Handler +#pragma weak NVMCTRL_Handler = Dummy_Handler +#pragma weak DMAC_Handler = Dummy_Handler +#ifdef ID_USB +#pragma weak USB_Handler = Dummy_Handler +#endif +#pragma weak EVSYS_Handler = Dummy_Handler +#pragma weak SERCOM0_Handler = Dummy_Handler +#pragma weak SERCOM1_Handler = Dummy_Handler +#pragma weak SERCOM2_Handler = Dummy_Handler +#pragma weak SERCOM3_Handler = Dummy_Handler +#ifdef ID_SERCOM4 +#pragma weak SERCOM4_Handler = Dummy_Handler +#endif +#ifdef ID_SERCOM5 +#pragma weak SERCOM5_Handler = Dummy_Handler +#endif +#pragma weak TCC0_Handler = Dummy_Handler +#pragma weak TCC1_Handler = Dummy_Handler +#pragma weak TCC2_Handler = Dummy_Handler +#pragma weak TC3_Handler = Dummy_Handler +#pragma weak TC4_Handler = Dummy_Handler +#pragma weak TC5_Handler = Dummy_Handler +#ifdef ID_TC6 +#pragma weak TC6_Handler = Dummy_Handler +#endif +#ifdef ID_TC7 +#pragma weak TC7_Handler = Dummy_Handler +#endif +#ifdef ID_ADC +#pragma weak ADC_Handler = Dummy_Handler +#endif +#ifdef ID_AC +#pragma weak AC_Handler = Dummy_Handler +#endif +#ifdef ID_DAC +#pragma weak DAC_Handler = Dummy_Handler +#endif +#ifdef ID_PTC +#pragma weak PTC_Handler = Dummy_Handler +#endif +#ifdef ID_I2S +#pragma weak I2S_Handler = Dummy_Handler +#endif +#ifdef ID_AC1 +#pragma weak AC1_Handler = Dummy_Handler +#endif + +/* Exception Table */ +#pragma language = extended +#pragma segment = "CSTACK" + +/* The name "__vector_table" has special meaning for C-SPY: */ +/* it is where the SP start value is found, and the NVIC vector */ +/* table register (VTOR) is initialized to this address if != 0 */ + +#pragma section = ".intvec" +#pragma location = ".intvec" +const DeviceVectors __vector_table[] = { + (void*) __sfe("CSTACK"), + (void*) Reset_Handler, + (void*) NMI_Handler, + (void*) HardFault_Handler, + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) SVC_Handler, + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) PendSV_Handler, + (void*) SysTick_Handler, + + /* Configurable interrupts */ + (void*) PM_Handler, /* 0 Power Manager */ + (void*) SYSCTRL_Handler, /* 1 System Control */ + (void*) WDT_Handler, /* 2 Watchdog Timer */ + (void*) RTC_Handler, /* 3 Real-Time Counter */ + (void*) EIC_Handler, /* 4 External Interrupt Controller */ + (void*) NVMCTRL_Handler, /* 5 Non-Volatile Memory Controller */ + (void*) DMAC_Handler, /* 6 Direct Memory Access Controller */ +#ifdef ID_USB + (void*) USB_Handler, /* 7 Universal Serial Bus */ +#else + (void*) (0UL), /* 7 Reserved */ +#endif + (void*) EVSYS_Handler, /* 8 Event System Interface */ + (void*) SERCOM0_Handler, /* 9 Serial Communication Interface 0 */ + (void*) SERCOM1_Handler, /* 10 Serial Communication Interface 1 */ + (void*) SERCOM2_Handler, /* 11 Serial Communication Interface 2 */ + (void*) SERCOM3_Handler, /* 12 Serial Communication Interface 3 */ +#ifdef ID_SERCOM4 + (void*) SERCOM4_Handler, /* 13 Serial Communication Interface 4 */ +#else + (void*) (0UL), /* 13 Reserved */ +#endif +#ifdef ID_SERCOM5 + (void*) SERCOM5_Handler, /* 14 Serial Communication Interface 5 */ +#else + (void*) (0UL), /* 14 Reserved */ +#endif + (void*) TCC0_Handler, /* 15 Timer Counter Control 0 */ + (void*) TCC1_Handler, /* 16 Timer Counter Control 1 */ + (void*) TCC2_Handler, /* 17 Timer Counter Control 2 */ + (void*) TC3_Handler, /* 18 Basic Timer Counter 0 */ + (void*) TC4_Handler, /* 19 Basic Timer Counter 1 */ + (void*) TC5_Handler, /* 20 Basic Timer Counter 2 */ +#ifdef ID_TC6 + (void*) TC6_Handler, /* 21 Basic Timer Counter 3 */ +#else + (void*) (0UL), /* 21 Reserved */ +#endif +#ifdef ID_TC7 + (void*) TC7_Handler, /* 22 Basic Timer Counter 4 */ +#else + (void*) (0UL), /* 22 Reserved */ +#endif +#ifdef ID_ADC + (void*) ADC_Handler, /* 23 Analog Digital Converter */ +#else + (void*) (0UL), /* 23 Reserved */ +#endif +#ifdef ID_AC + (void*) AC_Handler, /* 24 Analog Comparators 0 */ +#else + (void*) (0UL), /* 24 Reserved */ +#endif +#ifdef ID_DAC + (void*) DAC_Handler, /* 25 Digital Analog Converter */ +#else + (void*) (0UL), /* 25 Reserved */ +#endif +#ifdef ID_PTC + (void*) PTC_Handler, /* 26 Peripheral Touch Controller */ +#else + (void*) (0UL), /* 26 Reserved */ +#endif +#ifdef ID_I2S + (void*) I2S_Handler, /* 27 Inter-IC Sound Interface */ +#else + (void*) (0UL), /* 27 Reserved */ +#endif +#ifdef ID_AC1 + (void*) AC1_Handler /* 28 Analog Comparators 1 */ +#else + (void*) (0UL) /* 28 Reserved */ +#endif +}; + +/**------------------------------------------------------------------------------ + * This is the code that gets called on processor reset. To initialize the + * device. + *------------------------------------------------------------------------------*/ +int __low_level_init(void) +{ + uint32_t *pSrc = __section_begin(".intvec"); + + SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk); + + return 1; /* if return 0, the data sections will not be initialized */ +} + +/**------------------------------------------------------------------------------ + * This is the code that gets called on processor reset. To initialize the + * device. + *------------------------------------------------------------------------------*/ +void Reset_Handler(void) +{ + /* Change default QOS values to have the best performance and correct USB behaviour */ + SBMATRIX->SFR[SBMATRIX_SLAVE_HMCRAMC0].reg = 2; +#if defined(ID_USB) + USB->DEVICE.QOSCTRL.bit.CQOS = 2; + USB->DEVICE.QOSCTRL.bit.DQOS = 2; +#endif + DMAC->QOSCTRL.bit.DQOS = 2; + DMAC->QOSCTRL.bit.FQOS = 2; + DMAC->QOSCTRL.bit.WRBQOS = 2; + + /* Overwriting the default value of the NVMCTRL.CTRLB.MANW bit (errata reference 13134) */ + NVMCTRL->CTRLB.bit.MANW = 1; + + __iar_program_start(); +} + +/** + * \brief Default interrupt handler for unused IRQs. + */ +void Dummy_Handler(void) +{ + while (1) { + } +} diff --git a/atmel-samd/asf/sam0/utils/cmsis/samd21/source/system_samd21.c b/atmel-samd/asf/sam0/utils/cmsis/samd21/source/system_samd21.c new file mode 100644 index 000000000..f3ebdc8b7 --- /dev/null +++ b/atmel-samd/asf/sam0/utils/cmsis/samd21/source/system_samd21.c @@ -0,0 +1,81 @@ +/** + * \file + * + * \brief Low-level initialization functions called upon chip startup. + * + * Copyright (c) 2014-2015 Atmel Corporation. All rights reserved. + * + * \asf_license_start + * + * \page License + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. The name of Atmel may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 4. This software may only be redistributed and used in connection with an + * Atmel microcontroller product. + * + * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * \asf_license_stop + * + */ +/* + * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> + */ + +#include "samd21.h" + +/** + * Initial system clock frequency. The System RC Oscillator (RCSYS) provides + * the source for the main clock at chip startup. + */ +#define __SYSTEM_CLOCK (1000000) + +uint32_t SystemCoreClock = __SYSTEM_CLOCK;/*!< System Clock Frequency (Core Clock)*/ + +/** + * Initialize the system + * + * @brief Setup the microcontroller system. + * Initialize the System and update the SystemCoreClock variable. + */ +void SystemInit(void) +{ + // Keep the default device state after reset + SystemCoreClock = __SYSTEM_CLOCK; + return; +} + +/** + * Update SystemCoreClock variable + * + * @brief Updates the SystemCoreClock with current core Clock + * retrieved from cpu registers. + */ +void SystemCoreClockUpdate(void) +{ + // Not implemented + SystemCoreClock = __SYSTEM_CLOCK; + return; +} diff --git a/atmel-samd/asf/sam0/utils/cmsis/samd21/source/system_samd21.h b/atmel-samd/asf/sam0/utils/cmsis/samd21/source/system_samd21.h new file mode 100644 index 000000000..564f47f35 --- /dev/null +++ b/atmel-samd/asf/sam0/utils/cmsis/samd21/source/system_samd21.h @@ -0,0 +1,65 @@ +/** + * \file + * + * \brief Low-level initialization functions called upon chip startup + * + * Copyright (c) 2014-2015 Atmel Corporation. All rights reserved. + * + * \asf_license_start + * + * \page License + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. The name of Atmel may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 4. This software may only be redistributed and used in connection with an + * Atmel microcontroller product. + * + * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * \asf_license_stop + * + */ +/* + * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> + */ + +#ifndef _SYSTEM_SAMD21_H_INCLUDED_ +#define _SYSTEM_SAMD21_H_INCLUDED_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdint.h> + +extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ + +void SystemInit(void); +void SystemCoreClockUpdate(void); + +#ifdef __cplusplus +} +#endif + +#endif /* SYSTEM_SAMD21_H_INCLUDED */ |