Firmware2/Marlin/src/HAL/HAL_LPC1768/HAL.cpp
2019-06-27 23:58:16 -05:00

69 lines
2.0 KiB
C++

/**
* Marlin 3D Printer Firmware
* Copyright (c) 2019 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 <http://www.gnu.org/licenses/>.
*
*/
#ifdef TARGET_LPC1768
#include "../../inc/MarlinConfig.h"
#include "../shared/Delay.h"
#include "../../../gcode/parser.h"
// U8glib required functions
extern "C" void u8g_xMicroDelay(uint16_t val) {
DELAY_US(val);
}
extern "C" void u8g_MicroDelay(void) {
u8g_xMicroDelay(1);
}
extern "C" void u8g_10MicroDelay(void) {
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) ? GET_PIN_MAP_INDEX((port << 5) | pin) : -2;
return ind > -1 ? ind : dval;
}
void flashFirmware(int16_t value) {
NVIC_SystemReset();
}
#endif // TARGET_LPC1768