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81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
/**
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* @file monitor.cpp
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* @brief Manages the device monitoring thread (status LEDs, etc.).
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*
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* Copyright (C) 2021 Clyne Sullivan
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*
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* Distributed under the GNU GPL v3 or later. You should have received a copy of
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* the GNU General Public License along with this program.
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* If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "monitor.hpp"
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#include "error.hpp"
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#include "runstatus.hpp"
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#include "hal.h"
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__attribute__((section(".stacks")))
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std::array<char, THD_WORKING_AREA_SIZE(256)> Monitor::m_thread_stack = {};
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void Monitor::begin()
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{
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chThdCreateStatic(m_thread_stack.data(),
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m_thread_stack.size(),
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LOWPRIO,
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threadMonitor,
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nullptr);
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}
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void Monitor::threadMonitor(void *)
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{
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palSetLineMode(LINE_BUTTON, PAL_MODE_INPUT_PULLUP);
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auto readButton = [] {
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#ifdef TARGET_PLATFORM_L4
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return !palReadLine(LINE_BUTTON);
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#else
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return palReadLine(LINE_BUTTON);
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#endif
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};
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palSetLine(LINE_LED_RED);
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palSetLine(LINE_LED_GREEN);
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palSetLine(LINE_LED_BLUE);
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while (1) {
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bool isidle = run_status == RunStatus::Idle;
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auto led = isidle ? LINE_LED_GREEN : LINE_LED_BLUE;
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auto delay = isidle ? 500 : 250;
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palToggleLine(led);
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chThdSleepMilliseconds(delay);
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palToggleLine(led);
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chThdSleepMilliseconds(delay);
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if (isidle && readButton()) {
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palClearLine(LINE_LED_GREEN);
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palClearLine(LINE_LED_BLUE);
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chSysLock();
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while (readButton())
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asm("nop");
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while (!readButton())
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asm("nop");
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chSysUnlock();
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palSetLine(LINE_LED_GREEN);
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palSetLine(LINE_LED_BLUE);
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chThdSleepMilliseconds(500);
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}
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static bool erroron = false;
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if (auto err = EM.hasError(); err ^ erroron) {
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erroron = err;
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if (err)
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palClearLine(LINE_LED_RED);
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else
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palSetLine(LINE_LED_RED);
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}
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}
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}
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