mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-04 23:45:26 +00:00
ced8012783
* Themes instead of Styles * Colors changed to theme colors * Reworked style management * Theme settings app * warn, menu dual set * Added Aqua style
386 lines
13 KiB
C++
386 lines
13 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2023 Bernd Herzog
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* Copyright (C) 2023 Mark Thompson
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "debug.hpp"
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#include <ch.h>
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#include <hal.h>
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#include <string>
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#include "log_file.hpp"
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#include "portapack.hpp"
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#include "string_format.hpp"
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#include "irq_controls.hpp"
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#include "file_path.hpp"
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using namespace ui;
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#define DEBUG_LOG_FILE "debug_log.txt"
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LogFile* pg_debug_log = nullptr;
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void __debug_log(const std::string& msg) {
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static LogFile s_log;
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if (pg_debug_log == nullptr) {
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delete_file(DEBUG_LOG_FILE);
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s_log.append(DEBUG_LOG_FILE);
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pg_debug_log = &s_log;
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}
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pg_debug_log->write_entry(msg);
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}
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void runtime_error(uint8_t source);
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std::string number_to_hex_string(uint32_t);
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void draw_line(int32_t, const char*, regarm_t);
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void draw_stack_dump();
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static bool error_shown = false;
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uint32_t fault_address{0};
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void draw_guru_meditation_header(uint8_t source, const char* hint) {
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Painter painter;
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// disable scroll in case a waterfall/spectrum display was active (scroll would mess up the fault display)
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portapack::display.scroll_disable();
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painter.fill_rectangle(
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{0, 0, portapack::display.width(), portapack::display.height()},
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Theme::getInstance()->fg_red->foreground);
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constexpr int border = 8;
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painter.fill_rectangle(
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{border, border, portapack::display.width() - (border * 2), portapack::display.height() - (border * 2)},
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Theme::getInstance()->fg_red->background);
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// NOTE: in situations like a hard fault it seems not possible to write strings longer than 16 characters.
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painter.draw_string({48, 24}, *Theme::getInstance()->bg_darkest, "M? Guru");
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painter.draw_string({48 + 8 * 8, 24}, *Theme::getInstance()->bg_darkest, "Meditation");
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if (source == CORTEX_M0) {
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painter.draw_string({48 + 8, 24}, *Theme::getInstance()->bg_darkest, "0");
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painter.draw_string({24, 320 - 32}, *Theme::getInstance()->bg_darkest, "Press DFU for Stack Dump");
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}
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if (source == CORTEX_M4)
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painter.draw_string({48 + 8, 24}, *Theme::getInstance()->bg_darkest, "4");
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painter.draw_string({15, 55}, *Theme::getInstance()->bg_darkest, "Hint: ");
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painter.draw_string({15 + 8 * 8, 55}, *Theme::getInstance()->bg_darkest, hint);
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}
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void draw_guru_meditation(uint8_t source, const char* hint) {
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if (error_shown == false) {
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error_shown = true;
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draw_guru_meditation_header(source, hint);
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}
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runtime_error(source);
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}
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void draw_guru_meditation(uint8_t source, const char* hint, struct extctx* ctxp, uint32_t cfsr = 0) {
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if (error_shown == false) {
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error_shown = true;
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draw_guru_meditation_header(source, hint);
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if (ctxp != nullptr) {
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int i = 0;
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draw_line(80 + i++ * 20, "r0:", ctxp->r0);
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draw_line(80 + i++ * 20, "r1:", ctxp->r1);
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draw_line(80 + i++ * 20, "r2:", ctxp->r2);
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draw_line(80 + i++ * 20, "r3:", ctxp->r3);
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draw_line(80 + i++ * 20, "r12:", ctxp->r12);
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// NOTE: run for M0
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// # arm-none-eabi-gdb --batch --eval-command="x/8i 0x<link_register_value_here>" firmware/application/application.elf
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// or for M4
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// # arm-none-eabi-gdb --batch --eval-command="x/8i 0x<link_register_value_here>" firmware/baseband/<image_name_here>.elf
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// to see whats causing the fault.
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draw_line(80 + i++ * 20, "lr:", ctxp->lr_thd);
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draw_line(80 + i++ * 20, "pc:", ctxp->pc);
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fault_address = (uint32_t)ctxp->pc;
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// see SCB_CFSR_* in libopencm3/cm3/scb.h for details
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if (cfsr != 0)
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draw_line(80 + i++ * 20, "cfsr:", (void*)cfsr);
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}
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}
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runtime_error(source);
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}
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void draw_line(int32_t y_offset, const char* label, regarm_t value) {
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Painter painter;
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painter.draw_string({15, y_offset}, *Theme::getInstance()->bg_darkest, label);
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painter.draw_string({15 + 8 * 8, y_offset}, *Theme::getInstance()->bg_darkest, to_string_hex((uint32_t)value, 8));
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}
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void runtime_error(uint8_t source) {
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LED led = (source == CORTEX_M0) ? hackrf::one::led_rx : hackrf::one::led_tx;
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led.off();
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// wait for DFU button release if pressed, so we don't immediately jump into stack dump
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while (swizzled_switches() & (1 << (int)Switch::Dfu))
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;
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while (true) {
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volatile size_t n = 1000000U;
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while (n--)
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;
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led.toggle();
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// Stack dump will cover entire screen, so wait for DFU button press to attempt it
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if (swizzled_switches() & (1 << (int)Switch::Dfu)) {
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draw_stack_dump();
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}
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}
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}
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// This function should only be called with interrupts disabled due to reading swizzled_switches()
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// Using the stack while dumping the stack isn't ideal, but hopefully anything imporant is still on the call stack.
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void draw_stack_dump() {
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Painter painter;
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uint32_t* p{&__process_stack_base__};
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constexpr int border{8};
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int x, y;
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int n{0};
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bool clear_rect{true};
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bool first_pass{true};
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// NOTE: Stays in this loop forever unless LEFT button pressed
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while (1) {
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if (clear_rect) {
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painter.fill_rectangle(
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{border, border, portapack::display.width() - (border * 2), portapack::display.height() - (border * 2)},
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Theme::getInstance()->fg_red->background);
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x = y = border;
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clear_rect = false;
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}
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// skip past unused stack words on 1st pass
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if (first_pass) {
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first_pass = false;
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while ((*p == CRT0_STACKS_FILL_PATTERN) && (p < &__process_stack_end__))
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p++;
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auto stack_space_left = p - &__process_stack_base__;
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// NOTE: in situations like a hard fault it seems not possible to write strings longer than 16 characters.
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painter.draw_string({x, y}, *Theme::getInstance()->bg_darkest_small, to_string_hex((uint32_t)&__process_stack_base__, 8));
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x += 8 * 5;
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painter.draw_string({x, y}, *Theme::getInstance()->bg_darkest_small, " M0 STACK free=");
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x += 15 * 5;
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painter.draw_string({x, y}, *Theme::getInstance()->bg_darkest_small, to_string_dec_uint(stack_space_left));
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x = border;
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y += 8;
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// align subsequent lines to start on 16-byte boundaries
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p -= (stack_space_left & 3);
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}
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// print one page of stack dump
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while ((p < &__process_stack_end__) && (y < portapack::display.height() - border - 8)) {
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// show address if start of line
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if (n++ == 0) {
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painter.draw_string({x, y}, *Theme::getInstance()->bg_darkest_small, to_string_hex((uint32_t)p, 8) + ":");
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x += 9 * 5 - 2; // note: saving 2 pixels here to prevent reaching right border
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}
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// show stack word -- highlight if a possible code address (low bit will be set too for !thumb) or actual fault address
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bool code_addr = (*p > 0x1400) && (*p < 0x80000) && (((*p) & 0x1) == 0x1); // approximate address range of code .text region in ROM
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Style style = (fault_address && *p == fault_address) ? *Theme::getInstance()->bg_important_small : (code_addr ? *Theme::getInstance()->bg_lightest_small : *Theme::getInstance()->bg_darkest_small);
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painter.draw_string({x, y}, style, " " + to_string_hex(*p, 8));
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x += 9 * 5;
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// new line?
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if (n == 4) {
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n = 0;
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x = border;
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y += 8;
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}
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// point to next stack word
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p++;
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}
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// Out of room on the screen or end of stack - allow Up/Down paging.
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// First wait for button release from previous press.
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// NOTE: can't call swizzle_switches() with interrupted enabled!
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while (swizzled_switches() & ((1 << (int)Switch::Right) | (1 << (int)Switch::Left) | (1 << (int)Switch::Down) | (1 << (int)Switch::Up) | (1 << (int)Switch::Sel) | (1 << (int)Switch::Dfu)))
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;
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painter.draw_string({border, portapack::display.height() - border - 8}, *Theme::getInstance()->bg_darkest_small, "Use UP/DOWN key");
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// Wait for button press.
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while (1) {
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auto switches = swizzled_switches();
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// If LEFT button pressed, exit
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if (switches & (1 << (int)Switch::Left))
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return;
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// If DOWN pressed; continue to show next page
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if (switches & (1 << (int)Switch::Down))
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break;
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// If UP pressed, scroll back by one page
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if (switches & (1 << (int)Switch::Up)) {
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// Back up pointer by offset on this screen plus one full screen of 8 pixels per line & 4 words per line
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// (underflow can't happen here due to stack address range in RAM)
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p -= ((y - border) + (portapack::display.height() - (border * 2 + 1 * 8))) / (8 / 4);
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if (p < &__process_stack_base__)
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p = &__process_stack_base__;
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break;
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}
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}
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// clear screen to allow new range to be displayed, if we're not at the end
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if (p < &__process_stack_end__)
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clear_rect = true;
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}
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}
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bool stack_dump() {
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uint32_t num_words = &__process_stack_end__ - &__process_stack_base__;
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return memory_dump(&__process_stack_base__, num_words, true);
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}
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bool memory_dump(uint32_t* addr_start, uint32_t num_words, bool stack_flag) {
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Painter painter;
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std::filesystem::path filename{};
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File dump_file{};
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bool error;
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std::string str;
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uint32_t* addr_end;
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uint32_t* p;
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int n{0};
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bool data_found{false};
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ensure_directory(debug_dir);
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filename = next_filename_matching_pattern(debug_dir + (stack_flag ? u"/STACK" : u"/MEMORY") + u"_DUMP_????.TXT");
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error = filename.empty();
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if (!error)
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error = dump_file.create(filename) != 0;
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if (error) {
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painter.draw_string({16, 320 - 32}, *ui::Theme::getInstance()->error_dark, "ERROR DUMPING " + filename.filename().string() + "!");
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return false;
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}
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addr_end = addr_start + num_words;
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for (p = addr_start; p < addr_end; p++) {
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// skip past unused stack words
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if (stack_flag && !data_found) {
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if (*p == CRT0_STACKS_FILL_PATTERN)
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continue;
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else {
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data_found = true;
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auto stack_space_left = p - addr_start;
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dump_file.write_line(to_string_hex((uint32_t)addr_start, 8) + ": Unused words " + to_string_dec_uint(stack_space_left));
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// align subsequent lines to start on 16-byte boundaries
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p -= (stack_space_left & 3);
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}
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}
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// write address
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if (n++ == 0) {
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str = to_string_hex((uint32_t)p, 8) + ":";
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dump_file.write(str.data(), 9);
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}
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// write stack dword
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str = " " + to_string_hex(*p, 8);
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dump_file.write(str.data(), 9);
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if (n == 4) {
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dump_file.write("\r\n", 2);
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n = 0;
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}
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}
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painter.draw_string({0, 320 - 16}, *ui::Theme::getInstance()->fg_green, filename.filename().string() + " dumped!");
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return true;
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}
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extern "C" {
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#if CH_DBG_ENABLED
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void port_halt(void) {
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port_disable();
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if (dbg_panic_msg == nullptr)
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dbg_panic_msg = "system halted";
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draw_guru_meditation(CORTEX_M0, dbg_panic_msg);
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}
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#endif
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CH_IRQ_HANDLER(MemManageVector) {
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#if CH_DBG_ENABLED
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chDbgPanic("MemManage");
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#else
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chSysHalt();
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#endif
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}
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CH_IRQ_HANDLER(BusFaultVector) {
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#if CH_DBG_ENABLED
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chDbgPanic("BusFault");
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#else
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chSysHalt();
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#endif
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}
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CH_IRQ_HANDLER(UsageFaultVector) {
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#if CH_DBG_ENABLED
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chDbgPanic("UsageFault");
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#else
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chSysHalt();
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#endif
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}
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CH_IRQ_HANDLER(HardFaultVector) {
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#if CH_DBG_ENABLED
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CH_IRQ_PROLOGUE();
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struct extctx* ctxp;
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port_lock_from_isr();
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if ((uint32_t)_saved_lr & 0x04)
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ctxp = (struct extctx*)__get_PSP();
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else
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ctxp = (struct extctx*)__get_MSP();
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port_disable();
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auto stack_space_left = get_free_stack_space();
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if (stack_space_left < 16)
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draw_guru_meditation(CORTEX_M0, "Stack Overflow", ctxp);
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draw_guru_meditation(CORTEX_M0, "Hard Fault", ctxp);
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CH_IRQ_EPILOGUE();
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#else
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chSysHalt();
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#endif
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}
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} /* extern "C" */
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