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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_Atmel/TARGET_SAM21/TARGET_SAMD21J18A/TOOLCHAIN_GCC_ARM/startup_samd21.c@592:a274ee790e56, 2015-07-17 (annotated)

Committer:
mbed_official
Date:
Fri Jul 17 09:15:10 2015 +0100
Revision:
592:a274ee790e56
Parent:
579:53297373a894 
Synchronized with git revision e7144f83a8d75df80c4877936b6ffe552b0be9e6



Full URL: https://github.com/mbedmicro/mbed/commit/e7144f83a8d75df80c4877936b6ffe552b0be9e6/



More API implementation for SAMR21

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 579:53297373a894 1 #include "samd21j18a.h"
mbed_official 579:53297373a894 2
mbed_official 579:53297373a894 3 /* Initialize segments */
mbed_official 579:53297373a894 4 extern uint32_t _sfixed;
mbed_official 579:53297373a894 5 extern uint32_t _efixed;
mbed_official 579:53297373a894 6 extern uint32_t _etext;
mbed_official 579:53297373a894 7 extern uint32_t _srelocate;
mbed_official 579:53297373a894 8 extern uint32_t _erelocate;
mbed_official 579:53297373a894 9 extern uint32_t _szero;
mbed_official 579:53297373a894 10 extern uint32_t _ezero;
mbed_official 579:53297373a894 11 extern uint32_t _sstack;
mbed_official 579:53297373a894 12 extern uint32_t _estack;
mbed_official 579:53297373a894 13
mbed_official 579:53297373a894 14 /** \cond DOXYGEN_SHOULD_SKIP_THIS */
mbed_official 579:53297373a894 15 int main(void);
mbed_official 579:53297373a894 16 /** \endcond */
mbed_official 579:53297373a894 17
mbed_official 579:53297373a894 18 void __libc_init_array(void);
mbed_official 579:53297373a894 19
mbed_official 579:53297373a894 20 /* Default empty handler */
mbed_official 579:53297373a894 21 void Dummy_Handler(void);
mbed_official 579:53297373a894 22
mbed_official 579:53297373a894 23 /* Cortex-M0+ core handlers */
mbed_official 579:53297373a894 24 void NMI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 25 void HardFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 26 void SVC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 27 void PendSV_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 28 void SysTick_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 29
mbed_official 579:53297373a894 30 /* Peripherals handlers */
mbed_official 579:53297373a894 31 void PM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 32 void SYSCTRL_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 33 void WDT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 34 void RTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 35 void EIC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 36 void NVMCTRL_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 37 void DMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 38 void USB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 39 void EVSYS_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 40 void SERCOM0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 41 void SERCOM1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 42 void SERCOM2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 43 void SERCOM3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 44 void SERCOM4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 45 void SERCOM5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 46 void TCC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 47 void TCC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 48 void TCC2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 49 void TC3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 50 void TC4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 51 void TC5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 52 void TC6_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 53 void TC7_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 54 void ADC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 55 void AC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 56 void DAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 57 void PTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 58 void I2S_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 59
mbed_official 579:53297373a894 60 /* Exception Table */
mbed_official 579:53297373a894 61 __attribute__ ((section(".vectors")))
mbed_official 579:53297373a894 62 const DeviceVectors exception_table = {
mbed_official 579:53297373a894 63
mbed_official 579:53297373a894 64 /* Configure Initial Stack Pointer, using linker-generated symbols */
mbed_official 579:53297373a894 65 (void*) (&_estack),
mbed_official 579:53297373a894 66
mbed_official 579:53297373a894 67 (void*) Reset_Handler,
mbed_official 579:53297373a894 68 (void*) NMI_Handler,
mbed_official 579:53297373a894 69 (void*) HardFault_Handler,
mbed_official 579:53297373a894 70 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 71 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 72 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 73 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 74 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 75 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 76 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 77 (void*) SVC_Handler,
mbed_official 579:53297373a894 78 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 79 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 80 (void*) PendSV_Handler,
mbed_official 579:53297373a894 81 (void*) SysTick_Handler,
mbed_official 579:53297373a894 82
mbed_official 579:53297373a894 83 /* Configurable interrupts */
mbed_official 579:53297373a894 84 (void*) PM_Handler, /* 0 Power Manager */
mbed_official 579:53297373a894 85 (void*) SYSCTRL_Handler, /* 1 System Control */
mbed_official 579:53297373a894 86 (void*) WDT_Handler, /* 2 Watchdog Timer */
mbed_official 579:53297373a894 87 (void*) RTC_Handler, /* 3 Real-Time Counter */
mbed_official 579:53297373a894 88 (void*) EIC_Handler, /* 4 External Interrupt Controller */
mbed_official 579:53297373a894 89 (void*) NVMCTRL_Handler, /* 5 Non-Volatile Memory Controller */
mbed_official 579:53297373a894 90 (void*) DMAC_Handler, /* 6 Direct Memory Access Controller */
mbed_official 579:53297373a894 91 (void*) USB_Handler, /* 7 Universal Serial Bus */
mbed_official 579:53297373a894 92 (void*) EVSYS_Handler, /* 8 Event System Interface */
mbed_official 579:53297373a894 93 (void*) SERCOM0_Handler, /* 9 Serial Communication Interface 0 */
mbed_official 579:53297373a894 94 (void*) SERCOM1_Handler, /* 10 Serial Communication Interface 1 */
mbed_official 579:53297373a894 95 (void*) SERCOM2_Handler, /* 11 Serial Communication Interface 2 */
mbed_official 579:53297373a894 96 (void*) SERCOM3_Handler, /* 12 Serial Communication Interface 3 */
mbed_official 579:53297373a894 97 (void*) SERCOM4_Handler, /* 13 Serial Communication Interface 4 */
mbed_official 579:53297373a894 98 (void*) SERCOM5_Handler, /* 14 Serial Communication Interface 5 */
mbed_official 579:53297373a894 99 (void*) TCC0_Handler, /* 15 Timer Counter Control 0 */
mbed_official 579:53297373a894 100 (void*) TCC1_Handler, /* 16 Timer Counter Control 1 */
mbed_official 579:53297373a894 101 (void*) TCC2_Handler, /* 17 Timer Counter Control 2 */
mbed_official 579:53297373a894 102 (void*) TC3_Handler, /* 18 Basic Timer Counter 0 */
mbed_official 579:53297373a894 103 (void*) TC4_Handler, /* 19 Basic Timer Counter 1 */
mbed_official 579:53297373a894 104 (void*) TC5_Handler, /* 20 Basic Timer Counter 2 */
mbed_official 579:53297373a894 105 (void*) TC6_Handler, /* 21 Basic Timer Counter 3 */
mbed_official 579:53297373a894 106 (void*) TC7_Handler, /* 22 Basic Timer Counter 4 */
mbed_official 579:53297373a894 107 (void*) ADC_Handler, /* 23 Analog Digital Converter */
mbed_official 579:53297373a894 108 (void*) AC_Handler, /* 24 Analog Comparators */
mbed_official 579:53297373a894 109 (void*) DAC_Handler, /* 25 Digital Analog Converter */
mbed_official 579:53297373a894 110 (void*) PTC_Handler, /* 26 Peripheral Touch Controller */
mbed_official 579:53297373a894 111 (void*) I2S_Handler /* 27 Inter-IC Sound Interface */
mbed_official 579:53297373a894 112 };
mbed_official 579:53297373a894 113
mbed_official 579:53297373a894 114 /**
mbed_official 579:53297373a894 115 * \brief This is the code that gets called on processor reset.
mbed_official 579:53297373a894 116 * To initialize the device, and call the main() routine.
mbed_official 579:53297373a894 117 */
mbed_official 579:53297373a894 118 void Reset_Handler(void)
mbed_official 579:53297373a894 119 {
mbed_official 579:53297373a894 120 uint32_t *pSrc, *pDest;
mbed_official 579:53297373a894 121
mbed_official 579:53297373a894 122 /* Initialize the relocate segment */
mbed_official 579:53297373a894 123 pSrc = &_etext;
mbed_official 579:53297373a894 124 pDest = &_srelocate;
mbed_official 579:53297373a894 125
mbed_official 579:53297373a894 126 if (pSrc != pDest) {
mbed_official 579:53297373a894 127 for (; pDest < &_erelocate;) {
mbed_official 579:53297373a894 128 *pDest++ = *pSrc++;
mbed_official 579:53297373a894 129 }
mbed_official 579:53297373a894 130 }
mbed_official 579:53297373a894 131
mbed_official 579:53297373a894 132 /* Clear the zero segment */
mbed_official 579:53297373a894 133 for (pDest = &_szero; pDest < &_ezero;) {
mbed_official 579:53297373a894 134 *pDest++ = 0;
mbed_official 579:53297373a894 135 }
mbed_official 579:53297373a894 136
mbed_official 579:53297373a894 137 /* Set the vector table base address */
mbed_official 579:53297373a894 138 pSrc = (uint32_t *) & _sfixed;
mbed_official 579:53297373a894 139 SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk);
mbed_official 579:53297373a894 140
mbed_official 579:53297373a894 141 /* Initialize the C library */
mbed_official 579:53297373a894 142 __libc_init_array();
mbed_official 579:53297373a894 143
mbed_official 579:53297373a894 144 /* Branch to main function */ // expected to be done by MBED OS
mbed_official 579:53297373a894 145 main();
mbed_official 579:53297373a894 146
mbed_official 579:53297373a894 147 /* Infinite loop */
mbed_official 579:53297373a894 148 while (1);
mbed_official 579:53297373a894 149 }
mbed_official 579:53297373a894 150
mbed_official 579:53297373a894 151 /**
mbed_official 579:53297373a894 152 * \brief Default interrupt handler for unused IRQs.
mbed_official 579:53297373a894 153 */
mbed_official 579:53297373a894 154 void Dummy_Handler(void)
mbed_official 579:53297373a894 155 {
mbed_official 579:53297373a894 156 while (1) {
mbed_official 579:53297373a894 157 }
mbed_official 579:53297373a894 158 }