75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 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 <http://www.gnu.org/licenses/>.
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*
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*/
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#ifdef TARGET_LPC1768
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#include "pinmapping.h"
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#include "../../gcode/parser.h"
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// Get the digital pin for an analog index
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pin_t analogInputToDigitalPin(const int8_t p) {
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return (WITHIN(p, 0, NUM_ANALOG_INPUTS) ? adc_pin_table[p] : P_NC);
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}
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// Return the index of a pin number
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// The pin number given here is in the form ppp:nnnnn
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int16_t GET_PIN_MAP_INDEX(const pin_t pin) {
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const uint16_t index = (LPC1768_PIN_PORT(pin) << 5) | LPC1768_PIN_PIN(pin);
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return (index < NUM_DIGITAL_PINS && pin_map[index] != P_NC) ? index : -1;
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}
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// Test whether the pin is valid
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bool VALID_PIN(const pin_t p) {
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const int16_t ind = GET_PIN_MAP_INDEX(p);
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return ind >= 0 && pin_map[ind] >= 0;
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}
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// Get the analog index for a digital pin
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int8_t DIGITAL_PIN_TO_ANALOG_PIN(const pin_t p) {
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return (VALID_PIN(p) ? LPC1768_PIN_ADC(p) : -1);
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}
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// Test whether the pin is PWM
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bool PWM_PIN(const pin_t p) {
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return VALID_PIN(p) && LPC1768_PIN_PWM(p);
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}
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// Test whether the pin is interruptable
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bool INTERRUPT_PIN(const pin_t p) {
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return VALID_PIN(p) && LPC1768_PIN_INTERRUPT(p);
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}
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// Get the pin number at the given index
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pin_t GET_PIN_MAP_PIN(const int16_t ind) {
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return WITHIN(ind, 0, NUM_DIGITAL_PINS - 1) ? pin_map[ind] : P_NC;
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}
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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), port = val / 100, pin = val % 100;
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const int16_t ind = (port < (NUM_DIGITAL_PINS >> 5) && (pin < 32))
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? GET_PIN_MAP_INDEX(port << 5 | pin) : -2;
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return ind > -2 ? ind : dval;
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}
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#endif // TARGET_LPC1768
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