5233e66762
It was still possible to cause a Kernel panic, this additional 500ms delay before disconnect appears to mitigate it completely.
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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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 3 of the License, or
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* (at your option) 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. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#ifdef TARGET_LPC1768
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#include "../../inc/MarlinConfig.h"
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#include "../shared/Delay.h"
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#include "../../../gcode/parser.h"
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#if ENABLED(USE_WATCHDOG)
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#include "watchdog.h"
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#endif
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DefaultSerial USBSerial(false, UsbSerial);
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uint32_t HAL_adc_reading = 0;
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// U8glib required functions
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extern "C" {
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void u8g_xMicroDelay(uint16_t val) { DELAY_US(val); }
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void u8g_MicroDelay() { u8g_xMicroDelay(1); }
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void u8g_10MicroDelay() { u8g_xMicroDelay(10); }
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void u8g_Delay(uint16_t val) { delay(val); }
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}
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//************************//
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// return free heap space
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int freeMemory() {
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char stack_end;
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void *heap_start = malloc(sizeof(uint32_t));
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if (heap_start == 0) return 0;
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uint32_t result = (uint32_t)&stack_end - (uint32_t)heap_start;
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free(heap_start);
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return result;
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}
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// scan command line for code
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// return index into pin map array if found and the pin is valid.
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// return dval if not found or not a valid pin.
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int16_t PARSED_PIN_INDEX(const char code, const int16_t dval) {
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const uint16_t val = (uint16_t)parser.intval(code, -1), port = val / 100, pin = val % 100;
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const int16_t ind = (port < ((NUM_DIGITAL_PINS) >> 5) && pin < 32) ? ((port << 5) | pin) : -2;
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return ind > -1 ? ind : dval;
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}
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void flashFirmware(const int16_t) {
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delay(500); // Give OS time to disconnect
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USB_Connect(false); // USB clear connection
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delay(1000); // Give OS time to notice
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NVIC_SystemReset();
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}
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void HAL_clear_reset_source(void) {
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TERN_(USE_WATCHDOG, watchdog_clear_timeout_flag());
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}
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uint8_t HAL_get_reset_source(void) {
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#if ENABLED(USE_WATCHDOG)
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if (watchdog_timed_out()) return RST_WATCHDOG;
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#endif
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return RST_POWER_ON;
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}
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#endif // TARGET_LPC1768
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