/** * Marlin 3D Printer Firmware * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] * * 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 . * */ /** * Support routines for Due */ /** * Translation of routines & variables used by pinsDebug.h */ #include "../shared/Marduino.h" /** * Due/Marlin quirks * * a) determining the state of a pin * The Due/Arduino status definitions for the g_pinStatus[pin] array are: * #define PIN_STATUS_DIGITAL_INPUT_PULLUP (0x01) * #define PIN_STATUS_DIGITAL_INPUT (0x02) * #define PIN_STATUS_DIGITAL_OUTPUT (0x03) * #define PIN_STATUS_ANALOG (0x04) * #define PIN_STATUS_PWM (0x05) * #define PIN_STATUS_TIMER (0x06) * * These are only valid if the following Due/Arduino provided functions are used: * analogRead * analogWrite * digitalWrite * pinMode * * The FASTIO routines do not touch the g_pinStatus[pin] array. * * The net result is that both the g_pinStatus[pin] array and the PIO_OSR register * needs to be looked at when determining if a pin is an input or an output. * * b) Due has only pins 6, 7, 8 & 9 enabled for PWMs. FYI - they run at 1KHz * * c) NUM_DIGITAL_PINS does not include the analog pins * * d) Pins 0-78 are defined for Due but 78 has a comment of "unconnected!". 78 is * included just in case. */ #define NUMBER_PINS_TOTAL PINS_COUNT #define digitalRead_mod(p) extDigitalRead(p) // AVR digitalRead disabled PWM before it read the pin #define PRINT_PORT(p) #define PRINT_ARRAY_NAME(x) do{ sprintf_P(buffer, PSTR("%-" STRINGIFY(MAX_NAME_LENGTH) "s"), pin_array[x].name); SERIAL_ECHO(buffer); }while(0) #define PRINT_PIN(p) do{ sprintf_P(buffer, PSTR("%02d"), p); SERIAL_ECHO(buffer); }while(0) #define GET_ARRAY_PIN(p) pin_array[p].pin #define GET_ARRAY_IS_DIGITAL(p) pin_array[p].is_digital #define VALID_PIN(pin) (pin >= 0 && pin < (int8_t)NUMBER_PINS_TOTAL ? 1 : 0) #define DIGITAL_PIN_TO_ANALOG_PIN(p) int(p - analogInputToDigitalPin(0)) #define IS_ANALOG(P) WITHIN(P, char(analogInputToDigitalPin(0)), char(analogInputToDigitalPin(NUM_ANALOG_INPUTS - 1))) #define pwm_status(pin) (((g_pinStatus[pin] & 0xF) == PIN_STATUS_PWM) && \ ((g_APinDescription[pin].ulPinAttribute & PIN_ATTR_PWM) == PIN_ATTR_PWM)) #define MULTI_NAME_PAD 14 // space needed to be pretty if not first name assigned to a pin bool GET_PINMODE(int8_t pin) { // 1: output, 0: input volatile Pio* port = g_APinDescription[pin].pPort; uint32_t mask = g_APinDescription[pin].ulPin; uint8_t pin_status = g_pinStatus[pin] & 0xF; return ( (pin_status == 0 && (port->PIO_OSR & mask)) || pin_status == PIN_STATUS_DIGITAL_OUTPUT || pwm_status(pin)); } void pwm_details(int32_t pin) { if (pwm_status(pin)) { uint32_t chan = g_APinDescription[pin].ulPWMChannel; SERIAL_ECHOPAIR("PWM = ", PWM_INTERFACE->PWM_CH_NUM[chan].PWM_CDTY); } } /** * DUE Board pin | PORT | Label * ----------------+--------+------- * 0 | PA8 | "RX0" * 1 | PA9 | "TX0" * 2 TIOA0 | PB25 | * 3 TIOA7 | PC28 | * 4 NPCS1 | PA29 | * TIOB6 | PC26 | * 5 TIOA6 | PC25 | * 6 PWML7 | PC24 | * 7 PWML6 | PC23 | * 8 PWML5 | PC22 | * 9 PWML4 | PC21 | * 10 NPCS0 | PA28 | * TIOB7 | PC29 | * 11 TIOA8 | PD7 | * 12 TIOB8 | PD8 | * 13 TIOB0 | PB27 | LED AMBER "L" * 14 TXD3 | PD4 | "TX3" * 15 RXD3 | PD5 | "RX3" * 16 TXD1 | PA13 | "TX2" * 17 RXD1 | PA12 | "RX2" * 18 TXD0 | PA11 | "TX1" * 19 RXD0 | PA10 | "RX1" * 20 | PB12 | "SDA" * 21 | PB13 | "SCL" * 22 | PB26 | * 23 | PA14 | * 24 | PA15 | * 25 | PD0 | * 26 | PD1 | * 27 | PD2 | * 28 | PD3 | * 29 | PD6 | * 30 | PD9 | * 31 | PA7 | * 32 | PD10 | * 33 | PC1 | * 34 | PC2 | * 35 | PC3 | * 36 | PC4 | * 37 | PC5 | * 38 | PC6 | * 39 | PC7 | * 40 | PC8 | * 41 | PC9 | * 42 | PA19 | * 43 | PA20 | * 44 | PC19 | * 45 | PC18 | * 46 | PC17 | * 47 | PC16 | * 48 | PC15 | * 49 | PC14 | * 50 | PC13 | * 51 | PC12 | * 52 NPCS2 | PB21 | * 53 | PB14 | * 54 | PA16 | "A0" * 55 | PA24 | "A1" * 56 | PA23 | "A2" * 57 | PA22 | "A3" * 58 TIOB2 | PA6 | "A4" * 69 | PA4 | "A5" * 60 TIOB1 | PA3 | "A6" * 61 TIOA1 | PA2 | "A7" * 62 | PB17 | "A8" * 63 | PB18 | "A9" * 64 | PB19 | "A10" * 65 | PB20 | "A11" * 66 | PB15 | "DAC0" * 67 | PB16 | "DAC1" * 68 | PA1 | "CANRX" * 69 | PA0 | "CANTX" * 70 | PA17 | "SDA1" * 71 | PA18 | "SCL1" * 72 | PC30 | LED AMBER "RX" * 73 | PA21 | LED AMBER "TX" * 74 MISO | PA25 | * 75 MOSI | PA26 | * 76 SCLK | PA27 | * 77 NPCS0 | PA28 | * 78 NPCS3 | PB23 | unconnected! * * USB pin | PORT * ----------------+-------- * ID | PB11 * VBOF | PB10 * */