64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
#pragma once
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#include "Arduino.h"
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struct FaultStatusRegisters {
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uint32_t HFSR;
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uint32_t CFSR;
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uint32_t MMFAR;
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uint32_t BFAR;
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uint32_t DFSR;
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uint32_t AFSR;
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uint32_t SHCSR;
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};
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enum class FaultType {
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HardFault, MemManage, BusFault, UsageFault
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};
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struct FlashDump {
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FaultType type;
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uint32_t stacked_registers[8];
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FaultStatusRegisters fsr;
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};
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struct FlashDumpInfo {
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uint8_t _zero; // Used to check that the storage area has been initialized
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uint32_t n_dumps;
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};
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constexpr uint32_t FLASH_DUMP_ADDR_BASE = 0;
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constexpr uint32_t FLASH_DUMP_ADDR_INFO = FLASH_DUMP_ADDR_BASE + 0;
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constexpr uint32_t FLASH_DUMP_ADDR_DUMPS =
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FLASH_DUMP_ADDR_INFO + sizeof(FlashDump);
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void flash_dump_write_fault(FaultType fault_type, const uint32_t *stack,
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const FaultStatusRegisters *fsr);
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/**
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* Read the FlashDumpInfo (and create it if it hasn't been initialized yet).
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*/
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const FlashDumpInfo *flash_dump_get_info();
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const FlashDump *flash_dump_get_fault(uint32_t n);
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void uart_wait_for_txrdy();
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size_t uart_write(uint8_t c);
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size_t uart_print(const char* str);
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size_t uart_print_hex(uint32_t x);
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void print_dumped_faults(bool in_irq=false);
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void print_stacked_registers(const uint32_t *stack, bool in_irq=false);
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void print_fault_registers(const FaultStatusRegisters *fsr, bool in_irq=false);
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FaultStatusRegisters get_current_fsr();
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const char* get_fault_type_name(FaultType type);
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void fault_handler(uint32_t *stack_addr, FaultType fault_type,
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const int *leds, unsigned n_leds);
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void inline busy_wait(size_t iterations) {
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for (size_t i = 0; i < iterations; i++) {
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// Does nothing, but ensures the compiler doesn't optimize the loop away.
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__ASM ("" ::: "memory");
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}
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} |