mbed library sources
Fork of mbed-src by
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?
User | Revision | Line number | New 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 | } |