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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

Import librarymbed

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_SAMR21G18A/TOOLCHAIN_GCC_ARM/startup_samr21.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 "samr21g18a.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 #ifdef USB_IRQn
mbed_official 579:53297373a894 39 void USB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 40 #endif
mbed_official 579:53297373a894 41 void EVSYS_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 42 void SERCOM0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 43 void SERCOM1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 44 void SERCOM2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 45 void SERCOM3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 46 #ifdef SERCOM4_IRQn
mbed_official 579:53297373a894 47 void SERCOM4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 48 #endif
mbed_official 579:53297373a894 49 #ifdef SERCOM5_IRQn
mbed_official 579:53297373a894 50 void SERCOM5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 51 #endif
mbed_official 579:53297373a894 52 void TCC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 53 void TCC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 54 void TCC2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 55 void TC3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 56 void TC4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 57 void TC5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 58 #ifdef TC6_IRQn
mbed_official 579:53297373a894 59 void TC6_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 60 #endif
mbed_official 579:53297373a894 61 #ifdef TC7_IRQn
mbed_official 579:53297373a894 62 void TC7_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 63 #endif
mbed_official 579:53297373a894 64 #ifdef ADC_IRQn
mbed_official 579:53297373a894 65 void ADC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 66 #endif
mbed_official 579:53297373a894 67 #ifdef AC_IRQn
mbed_official 579:53297373a894 68 void AC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 69 #endif
mbed_official 579:53297373a894 70 #ifdef DAC_IRQn
mbed_official 579:53297373a894 71 void DAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 72 #endif
mbed_official 579:53297373a894 73 #ifdef PTC_IRQn
mbed_official 579:53297373a894 74 void PTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 75 #endif
mbed_official 579:53297373a894 76 void I2S_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
mbed_official 579:53297373a894 77
mbed_official 579:53297373a894 78 /* Exception Table */
mbed_official 579:53297373a894 79 __attribute__ ((section(".vectors")))
mbed_official 579:53297373a894 80 const DeviceVectors exception_table = {
mbed_official 579:53297373a894 81
mbed_official 579:53297373a894 82 /* Configure Initial Stack Pointer, using linker-generated symbols */
mbed_official 579:53297373a894 83 (void*) (&_estack),
mbed_official 579:53297373a894 84
mbed_official 579:53297373a894 85 (void*) Reset_Handler,
mbed_official 579:53297373a894 86 (void*) NMI_Handler,
mbed_official 579:53297373a894 87 (void*) HardFault_Handler,
mbed_official 579:53297373a894 88 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 89 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 90 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 91 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 92 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 93 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 94 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 95 (void*) SVC_Handler,
mbed_official 579:53297373a894 96 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 97 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 98 (void*) PendSV_Handler,
mbed_official 579:53297373a894 99 (void*) SysTick_Handler,
mbed_official 579:53297373a894 100
mbed_official 579:53297373a894 101 /* Configurable interrupts */
mbed_official 579:53297373a894 102 (void*) PM_Handler, /* 0 Power Manager */
mbed_official 579:53297373a894 103 (void*) SYSCTRL_Handler, /* 1 System Control */
mbed_official 579:53297373a894 104 (void*) WDT_Handler, /* 2 Watchdog Timer */
mbed_official 579:53297373a894 105 (void*) RTC_Handler, /* 3 Real-Time Counter */
mbed_official 579:53297373a894 106 (void*) EIC_Handler, /* 4 External Interrupt Controller */
mbed_official 579:53297373a894 107 (void*) NVMCTRL_Handler, /* 5 Non-Volatile Memory Controller */
mbed_official 579:53297373a894 108 (void*) DMAC_Handler, /* 6 Direct Memory Access Controller */
mbed_official 579:53297373a894 109 #ifdef USB_IRQn
mbed_official 579:53297373a894 110 (void*) USB_Handler, /* 7 Universal Serial Bus */
mbed_official 579:53297373a894 111 #else
mbed_official 579:53297373a894 112 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 113 #endif
mbed_official 579:53297373a894 114 (void*) EVSYS_Handler, /* 8 Event System Interface */
mbed_official 579:53297373a894 115 (void*) SERCOM0_Handler, /* 9 Serial Communication Interface 0 */
mbed_official 579:53297373a894 116 (void*) SERCOM1_Handler, /* 10 Serial Communication Interface 1 */
mbed_official 579:53297373a894 117 (void*) SERCOM2_Handler, /* 11 Serial Communication Interface 2 */
mbed_official 579:53297373a894 118 (void*) SERCOM3_Handler, /* 12 Serial Communication Interface 3 */
mbed_official 579:53297373a894 119 #ifdef SERCOM4_IRQn
mbed_official 579:53297373a894 120 (void*) SERCOM4_Handler, /* 13 Serial Communication Interface 4 */
mbed_official 579:53297373a894 121 #else
mbed_official 579:53297373a894 122 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 123 #endif
mbed_official 579:53297373a894 124 #ifdef SERCOM5_IRQn
mbed_official 579:53297373a894 125 (void*) SERCOM5_Handler, /* 14 Serial Communication Interface 5 */
mbed_official 579:53297373a894 126 #else
mbed_official 579:53297373a894 127 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 128 #endif
mbed_official 579:53297373a894 129 (void*) TCC0_Handler, /* 15 Timer Counter Control 0 */
mbed_official 579:53297373a894 130 (void*) TCC1_Handler, /* 16 Timer Counter Control 1 */
mbed_official 579:53297373a894 131 (void*) TCC2_Handler, /* 17 Timer Counter Control 2 */
mbed_official 579:53297373a894 132 (void*) TC3_Handler, /* 18 Basic Timer Counter 0 */
mbed_official 579:53297373a894 133 (void*) TC4_Handler, /* 19 Basic Timer Counter 1 */
mbed_official 579:53297373a894 134 (void*) TC5_Handler, /* 20 Basic Timer Counter 2 */
mbed_official 579:53297373a894 135 #ifdef TC6_IRQn
mbed_official 579:53297373a894 136 (void*) TC6_Handler, /* 21 Basic Timer Counter 3 */
mbed_official 579:53297373a894 137 #else
mbed_official 579:53297373a894 138 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 139 #endif
mbed_official 579:53297373a894 140 #ifdef TC7_IRQn
mbed_official 579:53297373a894 141 (void*) TC7_Handler, /* 22 Basic Timer Counter 4 */
mbed_official 579:53297373a894 142 #else
mbed_official 579:53297373a894 143 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 144 #endif
mbed_official 579:53297373a894 145 #ifdef ADC_IRQn
mbed_official 579:53297373a894 146 (void*) ADC_Handler, /* 23 Analog Digital Converter */
mbed_official 579:53297373a894 147 #else
mbed_official 579:53297373a894 148 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 149 #endif
mbed_official 579:53297373a894 150 #ifdef AC_IRQn
mbed_official 579:53297373a894 151 (void*) AC_Handler, /* 24 Analog Comparators */
mbed_official 579:53297373a894 152 #else
mbed_official 579:53297373a894 153 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 154 #endif
mbed_official 579:53297373a894 155 #ifdef DAC_IRQn
mbed_official 579:53297373a894 156 (void*) DAC_Handler, /* 25 Digital Analog Converter */
mbed_official 579:53297373a894 157 #else
mbed_official 579:53297373a894 158 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 159 #endif
mbed_official 579:53297373a894 160 #ifdef PTC_IRQn
mbed_official 579:53297373a894 161 (void*) PTC_Handler, /* 26 Peripheral Touch Controller */
mbed_official 579:53297373a894 162 #else
mbed_official 579:53297373a894 163 (void*) (0UL), /* Reserved */
mbed_official 579:53297373a894 164 #endif
mbed_official 579:53297373a894 165 (void*) I2S_Handler /* 27 Inter-IC Sound Interface */
mbed_official 579:53297373a894 166 };
mbed_official 579:53297373a894 167
mbed_official 579:53297373a894 168 /**
mbed_official 579:53297373a894 169 * \brief This is the code that gets called on processor reset.
mbed_official 579:53297373a894 170 * To initialize the device, and call the main() routine.
mbed_official 579:53297373a894 171 */
mbed_official 579:53297373a894 172 void Reset_Handler(void)
mbed_official 579:53297373a894 173 {
mbed_official 579:53297373a894 174 uint32_t *pSrc, *pDest;
mbed_official 579:53297373a894 175
mbed_official 579:53297373a894 176 /* Initialize the relocate segment */
mbed_official 579:53297373a894 177 pSrc = &_etext;
mbed_official 579:53297373a894 178 pDest = &_srelocate;
mbed_official 579:53297373a894 179
mbed_official 579:53297373a894 180 if (pSrc != pDest) {
mbed_official 579:53297373a894 181 for (; pDest < &_erelocate;) {
mbed_official 579:53297373a894 182 *pDest++ = *pSrc++;
mbed_official 579:53297373a894 183 }
mbed_official 579:53297373a894 184 }
mbed_official 579:53297373a894 185
mbed_official 579:53297373a894 186 /* Clear the zero segment */
mbed_official 579:53297373a894 187 for (pDest = &_szero; pDest < &_ezero;) {
mbed_official 579:53297373a894 188 *pDest++ = 0;
mbed_official 579:53297373a894 189 }
mbed_official 579:53297373a894 190
mbed_official 579:53297373a894 191 /* Set the vector table base address */
mbed_official 579:53297373a894 192 pSrc = (uint32_t *) & _sfixed;
mbed_official 579:53297373a894 193 SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk);
mbed_official 579:53297373a894 194
mbed_official 579:53297373a894 195 /* Initialize the C library */
mbed_official 579:53297373a894 196 __libc_init_array();
mbed_official 579:53297373a894 197
mbed_official 579:53297373a894 198 /* Branch to main function */
mbed_official 579:53297373a894 199 main();
mbed_official 579:53297373a894 200
mbed_official 579:53297373a894 201 /* Infinite loop */
mbed_official 579:53297373a894 202 while (1);
mbed_official 579:53297373a894 203 }
mbed_official 579:53297373a894 204
mbed_official 579:53297373a894 205 /**
mbed_official 579:53297373a894 206 * \brief Default interrupt handler for unused IRQs.
mbed_official 579:53297373a894 207 */
mbed_official 579:53297373a894 208 void Dummy_Handler(void)
mbed_official 579:53297373a894 209 {
mbed_official 579:53297373a894 210 while (1) {
mbed_official 579:53297373a894 211 }
mbed_official 579:53297373a894 212 }