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monocle-startup.c
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monocle-startup.c
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/*
* This file is part of the MicroPython for Monocle project:
* https://github.com/brilliantlabsAR/monocle-micropython
*
* Authored by: Josuah Demangeon (me@josuah.net)
* Raj Nakarja / Brilliant Labs Ltd. (raj@itsbrilliant.co)
*
* ISC Licence
*
* Copyright © 2023 Brilliant Labs Ltd.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "monocle.h"
extern uint32_t _stack_top;
extern uint32_t _sidata;
extern uint32_t _sdata;
extern uint32_t _edata;
extern uint32_t _sbss;
extern uint32_t _ebss;
typedef void (*func)(void);
extern void main(void) __attribute__((noreturn));
extern void SystemInit(void);
void Default_Handler(void)
{
app_err(0xDEAD0000);
}
void HardFault_Handler(void)
{
app_err(0xDEAD0001);
}
void BusFault_Handler(void)
{
app_err(0xDEAD0002);
}
void UsageFault_Handler(void)
{
app_err(0xDEAD0003);
}
void Reset_Handler(void)
{
// Initialise the RAM
uint32_t *p_src = &_sidata;
uint32_t *p_dest = &_sdata;
while (p_dest < &_edata)
{
*p_dest++ = *p_src++;
}
uint32_t *p_bss = &_sbss;
uint32_t *p_bss_end = &_ebss;
while (p_bss < p_bss_end)
{
*p_bss++ = 0ul;
}
// Set up chip level errata fixes from Nordic
SystemInit();
main();
}
/**
* @brief Specific handlers and interrupt vector table for the nRF52832
*/
void NMI_Handler(void) __attribute__((weak, alias("Default_Handler")));
void MemoryManagement_Handler(void) __attribute__((weak, alias("Default_Handler")));
void SVC_Handler(void) __attribute__((weak, alias("Default_Handler")));
void DebugMon_Handler(void) __attribute__((weak, alias("Default_Handler")));
void PendSV_Handler(void) __attribute__((weak, alias("Default_Handler")));
void SysTick_Handler(void) __attribute__((weak, alias("Default_Handler")));
void POWER_CLOCK_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void RADIO_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void UARTE0_UART0_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void NFCT_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void GPIOTE_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void SAADC_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void TIMER0_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void TIMER1_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void TIMER2_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void RTC0_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void TEMP_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void RNG_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void ECB_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void CCM_AAR_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void WDT_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void RTC1_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void QDEC_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void COMP_LPCOMP_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void SWI0_EGU0_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void SWI1_EGU1_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void SWI2_EGU2_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void SWI3_EGU3_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void SWI4_EGU4_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void SWI5_EGU5_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void TIMER3_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void TIMER4_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void PWM0_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void PDM_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void MWU_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void PWM1_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void PWM2_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void SPIM2_SPIS2_SPI2_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void RTC2_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void I2S_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
void FPU_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
const func __Vectors[] __attribute__((section(".isr_vector"), used)) = {
(func)&_stack_top,
Reset_Handler,
NMI_Handler,
HardFault_Handler,
MemoryManagement_Handler,
BusFault_Handler,
UsageFault_Handler,
0,
0,
0,
0,
SVC_Handler,
DebugMon_Handler,
0,
PendSV_Handler,
SysTick_Handler,
/* External Interrupts */
POWER_CLOCK_IRQHandler,
RADIO_IRQHandler,
UARTE0_UART0_IRQHandler,
SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler,
SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler,
NFCT_IRQHandler,
GPIOTE_IRQHandler,
SAADC_IRQHandler,
TIMER0_IRQHandler,
TIMER1_IRQHandler,
TIMER2_IRQHandler,
RTC0_IRQHandler,
TEMP_IRQHandler,
RNG_IRQHandler,
ECB_IRQHandler,
CCM_AAR_IRQHandler,
WDT_IRQHandler,
RTC1_IRQHandler,
QDEC_IRQHandler,
COMP_LPCOMP_IRQHandler,
SWI0_EGU0_IRQHandler,
SWI1_EGU1_IRQHandler,
SWI2_EGU2_IRQHandler,
SWI3_EGU3_IRQHandler,
SWI4_EGU4_IRQHandler,
SWI5_EGU5_IRQHandler,
TIMER3_IRQHandler,
TIMER4_IRQHandler,
PWM0_IRQHandler,
PDM_IRQHandler,
0,
0,
MWU_IRQHandler,
PWM1_IRQHandler,
PWM2_IRQHandler,
SPIM2_SPIS2_SPI2_IRQHandler,
RTC2_IRQHandler,
I2S_IRQHandler,
FPU_IRQHandler,
};