marcus chiou / mbed-src

mbed library sources

Fork of mbed-src 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 }