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230 lines
7.2 KiB
230 lines
7.2 KiB
/*
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DEBUG MODULE
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Copyright (C) 2016-2018 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#if DEBUG_SUPPORT
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#include <stdio.h>
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#include <stdarg.h>
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#include <EEPROM.h>
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extern "C" {
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#include "user_interface.h"
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}
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#if DEBUG_UDP_SUPPORT
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#include <WiFiUdp.h>
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WiFiUDP _udp_debug;
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#endif
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void _debugSend(char * message) {
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#if DEBUG_ADD_TIMESTAMP
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static bool add_timestamp = true;
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char timestamp[10] = {0};
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if (add_timestamp) snprintf_P(timestamp, sizeof(timestamp), PSTR("[%06lu] "), millis() % 1000000);
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add_timestamp = (message[strlen(message)-1] == 10) || (message[strlen(message)-1] == 13);
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#endif
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#if DEBUG_SERIAL_SUPPORT
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#if DEBUG_ADD_TIMESTAMP
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DEBUG_PORT.printf(timestamp);
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#endif
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DEBUG_PORT.printf(message);
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#endif
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#if DEBUG_UDP_SUPPORT
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#if SYSTEM_CHECK_ENABLED
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if (systemCheck()) {
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#endif
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_udp_debug.beginPacket(DEBUG_UDP_IP, DEBUG_UDP_PORT);
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#if DEBUG_ADD_TIMESTAMP
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_udp_debug.write(timestamp);
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#endif
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_udp_debug.write(message);
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_udp_debug.endPacket();
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delay(1); // https://github.com/xoseperez/espurna/issues/438
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#if SYSTEM_CHECK_ENABLED
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}
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#endif
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#endif
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#if DEBUG_TELNET_SUPPORT
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#if DEBUG_ADD_TIMESTAMP
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_telnetWrite(timestamp, strlen(timestamp));
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#endif
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_telnetWrite(message, strlen(message));
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#endif
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}
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void debugSend(const char * format, ...) {
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va_list args;
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va_start(args, format);
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char test[1];
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int len = ets_vsnprintf(test, 1, format, args) + 1;
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char * buffer = new char[len];
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ets_vsnprintf(buffer, len, format, args);
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va_end(args);
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_debugSend(buffer);
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delete[] buffer;
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}
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void debugSend_P(PGM_P format_P, ...) {
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char format[strlen_P(format_P)+1];
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memcpy_P(format, format_P, sizeof(format));
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va_list args;
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va_start(args, format_P);
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char test[1];
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int len = ets_vsnprintf(test, 1, format, args) + 1;
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char * buffer = new char[len];
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ets_vsnprintf(buffer, len, format, args);
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va_end(args);
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_debugSend(buffer);
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delete[] buffer;
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}
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// -----------------------------------------------------------------------------
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// Save crash info
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// Taken from krzychb EspSaveCrash
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// https://github.com/krzychb/EspSaveCrash
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// -----------------------------------------------------------------------------
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#define SAVE_CRASH_EEPROM_OFFSET 0x0100 // initial address for crash data
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/**
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* Structure of the single crash data set
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*
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* 1. Crash time
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* 2. Restart reason
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* 3. Exception cause
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* 4. epc1
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* 5. epc2
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* 6. epc3
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* 7. excvaddr
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* 8. depc
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* 9. adress of stack start
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* 10. adress of stack end
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* 11. stack trace bytes
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* ...
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*/
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#define SAVE_CRASH_CRASH_TIME 0x00 // 4 bytes
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#define SAVE_CRASH_RESTART_REASON 0x04 // 1 byte
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#define SAVE_CRASH_EXCEPTION_CAUSE 0x05 // 1 byte
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#define SAVE_CRASH_EPC1 0x06 // 4 bytes
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#define SAVE_CRASH_EPC2 0x0A // 4 bytes
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#define SAVE_CRASH_EPC3 0x0E // 4 bytes
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#define SAVE_CRASH_EXCVADDR 0x12 // 4 bytes
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#define SAVE_CRASH_DEPC 0x16 // 4 bytes
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#define SAVE_CRASH_STACK_START 0x1A // 4 bytes
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#define SAVE_CRASH_STACK_END 0x1E // 4 bytes
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#define SAVE_CRASH_STACK_TRACE 0x22 // variable
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/**
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* Save crash information in EEPROM
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* This function is called automatically if ESP8266 suffers an exception
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* It should be kept quick / consise to be able to execute before hardware wdt may kick in
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*/
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extern "C" void custom_crash_callback(struct rst_info * rst_info, uint32_t stack_start, uint32_t stack_end ) {
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// This method assumes EEPROM has already been initialized
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// which is the first thing ESPurna does
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// write crash time to EEPROM
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uint32_t crash_time = millis();
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EEPROM.put(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_CRASH_TIME, crash_time);
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// write reset info to EEPROM
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EEPROM.write(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_RESTART_REASON, rst_info->reason);
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EEPROM.write(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_EXCEPTION_CAUSE, rst_info->exccause);
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// write epc1, epc2, epc3, excvaddr and depc to EEPROM
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EEPROM.put(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_EPC1, rst_info->epc1);
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EEPROM.put(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_EPC2, rst_info->epc2);
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EEPROM.put(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_EPC3, rst_info->epc3);
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EEPROM.put(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_EXCVADDR, rst_info->excvaddr);
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EEPROM.put(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_DEPC, rst_info->depc);
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// write stack start and end address to EEPROM
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EEPROM.put(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_STACK_START, stack_start);
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EEPROM.put(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_STACK_END, stack_end);
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// write stack trace to EEPROM
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int16_t current_address = SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_STACK_TRACE;
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for (uint32_t i = stack_start; i < stack_end; i++) {
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byte* byteValue = (byte*) i;
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EEPROM.write(current_address++, *byteValue);
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}
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EEPROM.commit();
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}
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/**
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* Clears crash info
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*/
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void debugClearCrashInfo() {
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uint32_t crash_time = 0xFFFFFFFF;
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EEPROM.put(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_CRASH_TIME, crash_time);
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EEPROM.commit();
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}
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/**
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* Print out crash information that has been previusly saved in EEPROM
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*/
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void debugDumpCrashInfo() {
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uint32_t crash_time;
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EEPROM.get(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_CRASH_TIME, crash_time);
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if ((crash_time == 0) || (crash_time == 0xFFFFFFFF)) {
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DEBUG_MSG_P(PSTR("[DEBUG] No crash info\n"));
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return;
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}
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DEBUG_MSG_P(PSTR("[DEBUG] Latest crash was at %lu ms after boot\n"), crash_time);
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DEBUG_MSG_P(PSTR("[DEBUG] Reason of restart: %u\n"), EEPROM.read(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_RESTART_REASON));
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DEBUG_MSG_P(PSTR("[DEBUG] Exception cause: %u\n"), EEPROM.read(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_EXCEPTION_CAUSE));
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uint32_t epc1, epc2, epc3, excvaddr, depc;
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EEPROM.get(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_EPC1, epc1);
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EEPROM.get(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_EPC2, epc2);
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EEPROM.get(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_EPC3, epc3);
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EEPROM.get(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_EXCVADDR, excvaddr);
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EEPROM.get(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_DEPC, depc);
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DEBUG_MSG_P(PSTR("[DEBUG] epc1=0x%08x epc2=0x%08x epc3=0x%08x\n"), epc1, epc2, epc3);
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DEBUG_MSG_P(PSTR("[DEBUG] excvaddr=0x%08x depc=0x%08x\n"), excvaddr, depc);
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uint32_t stack_start, stack_end;
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EEPROM.get(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_STACK_START, stack_start);
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EEPROM.get(SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_STACK_END, stack_end);
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DEBUG_MSG_P(PSTR("[DEBUG] >>>stack>>>\n[DEBUG] "));
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int16_t current_address = SAVE_CRASH_EEPROM_OFFSET + SAVE_CRASH_STACK_TRACE;
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int16_t stack_len = stack_end - stack_start;
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uint32_t stack_trace;
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for (int16_t i = 0; i < stack_len; i += 0x10) {
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DEBUG_MSG_P(PSTR("%08x: "), stack_start + i);
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for (byte j = 0; j < 4; j++) {
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EEPROM.get(current_address, stack_trace);
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DEBUG_MSG_P(PSTR("%08x "), stack_trace);
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current_address += 4;
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}
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DEBUG_MSG_P(PSTR("\n[DEBUG] "));
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}
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DEBUG_MSG_P(PSTR("<<<stack<<<\n"));
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}
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#endif // DEBUG_SUPPORT
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