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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
- #ifdef TARGET_LPC1768
-
- #include "../../inc/MarlinConfig.h"
- #include "../shared/Delay.h"
- #include "../../../gcode/parser.h"
-
- #if ENABLED(USE_WATCHDOG)
- #include "watchdog.h"
- #endif
-
- uint32_t HAL_adc_reading = 0;
-
- // U8glib required functions
- extern "C" void u8g_xMicroDelay(uint16_t val) {
- DELAY_US(val);
- }
- extern "C" void u8g_MicroDelay() {
- u8g_xMicroDelay(1);
- }
- extern "C" void u8g_10MicroDelay() {
- u8g_xMicroDelay(10);
- }
- extern "C" void u8g_Delay(uint16_t val) {
- delay(val);
- }
- //************************//
-
- // return free heap space
- int freeMemory() {
- char stack_end;
- void *heap_start = malloc(sizeof(uint32_t));
- if (heap_start == 0) return 0;
-
- uint32_t result = (uint32_t)&stack_end - (uint32_t)heap_start;
- free(heap_start);
- return result;
- }
-
- // scan command line for code
- // return index into pin map array if found and the pin is valid.
- // return dval if not found or not a valid pin.
- int16_t PARSED_PIN_INDEX(const char code, const int16_t dval) {
- const uint16_t val = (uint16_t)parser.intval(code, -1), port = val / 100, pin = val % 100;
- const int16_t ind = (port < ((NUM_DIGITAL_PINS) >> 5) && pin < 32) ? ((port << 5) | pin) : -2;
- return ind > -1 ? ind : dval;
- }
-
- void flashFirmware(const int16_t) { NVIC_SystemReset(); }
-
- void HAL_clear_reset_source(void) {
- TERN_(USE_WATCHDOG, watchdog_clear_timeout_flag());
- }
-
- uint8_t HAL_get_reset_source(void) {
- #if ENABLED(USE_WATCHDOG)
- if (watchdog_timed_out()) return RST_WATCHDOG;
- #endif
- return RST_POWER_ON;
- }
-
- #endif // TARGET_LPC1768
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