mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
121 lines
2.7 KiB
C++
121 lines
2.7 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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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 "portapack_shared_memory.hpp"
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#if defined(LPC43XX_M0)
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static void debug_indicate_error_init() {
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// TODO: Get knowledge of LED GPIO port/bit from shared place.
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LPC_GPIO->CLR[2] = (1 << 2);
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}
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static void debug_indicate_error_update() {
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// Flash RX (yellow) LED to indicate baseband error.
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// TODO: Get knowledge of LED GPIO port/bit from shared place.
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LPC_GPIO->NOT[2] = (1 << 2);
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}
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#endif
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#if defined(LPC43XX_M4)
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static void debug_indicate_error_init() {
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// TODO: Get knowledge of LED GPIO port/bit from shared place.
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LPC_GPIO->CLR[2] = (1 << 8);
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}
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static void debug_indicate_error_update() {
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// Flash TX (red) LED to indicate baseband error.
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// TODO: Get knowledge of LED GPIO port/bit from shared place.
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LPC_GPIO->NOT[2] = (1 << 8);
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}
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#endif
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static void runtime_error() {
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debug_indicate_error_init();
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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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debug_indicate_error_update();
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}
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}
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extern "C" {
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void __early_init(void) {
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/* Enable unaligned exception handler */
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SCB_CCR |= (1 << 3);
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#if defined(LPC43XX_M4)
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/* Enable MemManage, BusFault, UsageFault exception handlers */
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SCB_SHCSR |= (1 << 16);
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SCB_SHCSR |= (1 << 17);
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SCB_SHCSR |= (1 << 18);
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#endif
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}
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void port_halt(void) {
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// Copy debug panic message to M0 region.
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const auto* p = dbg_panic_msg;
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for(size_t i=0; i<sizeof(shared_memory.m4_panic_msg); i++) {
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if( *p == 0 ) {
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shared_memory.m4_panic_msg[i] = 0;
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} else {
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shared_memory.m4_panic_msg[i] = *(p++);
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}
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}
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port_disable();
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runtime_error();
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}
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#if defined(LPC43XX_M4)
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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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#endif
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}
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