Namespaces
namespace	esphome
	Providing packet encoding functions for exchanging data with a remote host.

namespace	esphome::rp2040

Functions
bool	esphome::rp2040::crash_handler_has_data ()
	Returns true if crash data was found this boot.

void	esphome::rp2040::crash_handler_read_and_clear ()
	Read crash data from watchdog scratch registers and clear them.

void	esphome::rp2040::crash_handler_log ()
	Log crash data if a crash was detected on previous boot.

	if (!is_valid_sram_ptr(frame))

	for (uint32_t *p=scan_start;p< stack_top &&p< scan_start+64 &&bt_count< MAX_BACKTRACE;p++)

	while (true)

void	__attribute__ ((naked, used)) isr_hardfault()

Variables
bool	valid

uint32_t	pc

uint32_t	lr

uint32_t	sp

uint32_t	backtrace [MAX_BACKTRACE]

uint8_t	backtrace_count

static void	uint32_t

uint32_t	extra_align = (frame[EF_XPSR] & (1u << 9)) ? 1 : 0

uint32_t *	post_frame = frame + 8 + extra_align

uint32_t	pre_fault_sp = reinterpret_cast<uintptr_t>(post_frame)

watchdog_hw	scratch [0] = CRASH_MAGIC_V1

uint32_t *	scan_start = post_frame

uint32_t *	stack_top = reinterpret_cast<uint32_t *>(SRAM_END)

uint32_t	bt_count = 0

Function Documentation

◆ attribute()

void __attribute__ ( (naked, used) )

Definition at line 220 of file crash_handler.cpp.

◆ for()

for ( )

Definition at line 187 of file crash_handler.cpp.

◆ if()

if ( ! is_valid_sram_ptrframe )

Definition at line 149 of file crash_handler.cpp.

◆ while()

while ( true )

Definition at line 201 of file crash_handler.cpp.

Variable Documentation

◆ backtrace

uint32_t backtrace[MAX_BACKTRACE]

Definition at line 4 of file crash_handler.cpp.

◆ backtrace_count

uint8_t backtrace_count

Definition at line 5 of file crash_handler.cpp.

◆ bt_count

uint32_t bt_count = 0

Definition at line 185 of file crash_handler.cpp.

◆ extra_align

uint32_t extra_align = (frame[EF_XPSR] & (1u << 9)) ? 1 : 0

Definition at line 167 of file crash_handler.cpp.

◆ lr

uint32_t lr

Definition at line 2 of file crash_handler.cpp.

◆ pc

uint32_t pc

Definition at line 1 of file crash_handler.cpp.

◆ post_frame

uint32_t* post_frame = frame + 8 + extra_align

Definition at line 168 of file crash_handler.cpp.

◆ pre_fault_sp

uint32_t pre_fault_sp = reinterpret_cast<uintptr_t>(post_frame)

Definition at line 169 of file crash_handler.cpp.

◆ scan_start

uint32_t* scan_start = post_frame

Definition at line 180 of file crash_handler.cpp.

◆ scratch

watchdog_hw scratch = CRASH_MAGIC_V1

Definition at line 172 of file crash_handler.cpp.

◆ sp

uint32_t sp

Definition at line 3 of file crash_handler.cpp.

◆ stack_top

uint32_t* stack_top = reinterpret_cast<uint32_t *>(SRAM_END)

Definition at line 182 of file crash_handler.cpp.

◆ uint32_t

void uint32_t

Initial value:

{
  
  watchdog_reboot(0, 0, 10)

Definition at line 141 of file crash_handler.cpp.

◆ valid

bool valid

Definition at line 0 of file crash_handler.cpp.

Namespaces

Functions

Variables