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printerfw/Marlin/src/HAL/HAL_AVR/pinsDebug.h

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/**
* 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/>.
*
*/
#pragma once
/**
* PWM print routines for Atmel 8 bit AVR CPUs
*/
#include "../../inc/MarlinConfig.h"
#define NUMBER_PINS_TOTAL NUM_DIGITAL_PINS
#if AVR_AT90USB1286_FAMILY
// Working with Teensyduino extension so need to re-define some things
#include "pinsDebug_Teensyduino.h"
// Can't use the "digitalPinToPort" function from the Teensyduino type IDEs
// portModeRegister takes a different argument
#define digitalPinToTimer_DEBUG(p) digitalPinToTimer(p)
#define digitalPinToBitMask_DEBUG(p) digitalPinToBitMask(p)
#define digitalPinToPort_DEBUG(p) digitalPinToPort_Teensy(p)
#define GET_PINMODE(pin) (*portModeRegister(pin) & digitalPinToBitMask_DEBUG(pin))
#elif AVR_ATmega2560_FAMILY_PLUS_70 // So we can access/display all the pins on boards using more than 70
#include "pinsDebug_plus_70.h"
#define digitalPinToTimer_DEBUG(p) digitalPinToTimer_plus_70(p)
#define digitalPinToBitMask_DEBUG(p) digitalPinToBitMask_plus_70(p)
#define digitalPinToPort_DEBUG(p) digitalPinToPort_plus_70(p)
bool GET_PINMODE(int8_t pin) {return *portModeRegister(digitalPinToPort_DEBUG(pin)) & digitalPinToBitMask_DEBUG(pin); }
#else
#define digitalPinToTimer_DEBUG(p) digitalPinToTimer(p)
#define digitalPinToBitMask_DEBUG(p) digitalPinToBitMask(p)
#define digitalPinToPort_DEBUG(p) digitalPinToPort(p)
bool GET_PINMODE(int8_t pin) {return *portModeRegister(digitalPinToPort_DEBUG(pin)) & digitalPinToBitMask_DEBUG(pin); }
#define GET_ARRAY_PIN(p) pgm_read_byte(&pin_array[p].pin)
#endif
#define VALID_PIN(pin) (pin >= 0 && pin < NUM_DIGITAL_PINS ? 1 : 0)
#if AVR_ATmega1284_FAMILY
#define DIGITAL_PIN_TO_ANALOG_PIN(P) int(analogInputToDigitalPin(0) - (P))
#define IS_ANALOG(P) ((P) >= analogInputToDigitalPin(7) && (P) <= analogInputToDigitalPin(0))
#else
#define DIGITAL_PIN_TO_ANALOG_PIN(P) int((P) - analogInputToDigitalPin(0))
#define IS_ANALOG(P) ((P) >= analogInputToDigitalPin(0) && ((P) <= analogInputToDigitalPin(15) || (P) <= analogInputToDigitalPin(7)))
#endif
#define GET_ARRAY_PIN(p) pgm_read_byte(&pin_array[p].pin)
#define MULTI_NAME_PAD 26 // space needed to be pretty if not first name assigned to a pin
void PRINT_ARRAY_NAME(uint8_t x) {
char *name_mem_pointer = (char*)pgm_read_ptr(&pin_array[x].name);
for (uint8_t y = 0; y < MAX_NAME_LENGTH; y++) {
char temp_char = pgm_read_byte(name_mem_pointer + y);
if (temp_char != 0)
SERIAL_CHAR(temp_char);
else {
for (uint8_t i = 0; i < MAX_NAME_LENGTH - y; i++) SERIAL_CHAR(' ');
break;
}
}
}
#define GET_ARRAY_IS_DIGITAL(x) pgm_read_byte(&pin_array[x].is_digital)
#if defined(__AVR_ATmega1284P__) // 1284 IDE extensions set this to the number of
#undef NUM_DIGITAL_PINS // digital only pins while all other CPUs have it
#define NUM_DIGITAL_PINS 32 // set to digital only + digital/analog
#endif
#define PWM_PRINT(V) do{ sprintf_P(buffer, PSTR("PWM: %4d"), V); SERIAL_ECHO(buffer); }while(0)
#define PWM_CASE(N,Z) \
case TIMER##N##Z: \
if (TCCR##N##A & (_BV(COM##N##Z##1) | _BV(COM##N##Z##0))) { \
PWM_PRINT(OCR##N##Z); \
return true; \
} else return false
/**
* Print a pin's PWM status.
* Return true if it's currently a PWM pin.
*/
static bool pwm_status(uint8_t pin) {
char buffer[20]; // for the sprintf statements
switch (digitalPinToTimer_DEBUG(pin)) {
#if defined(TCCR0A) && defined(COM0A1)
#ifdef TIMER0A
#if !AVR_AT90USB1286_FAMILY // not available in Teensyduino type IDEs
PWM_CASE(0, A);
#endif
#endif
PWM_CASE(0, B);
#endif
#if defined(TCCR1A) && defined(COM1A1)
PWM_CASE(1, A);
PWM_CASE(1, B);
#if defined(COM1C1) && defined(TIMER1C)
PWM_CASE(1, C);
#endif
#endif
#if defined(TCCR2A) && defined(COM2A1)
PWM_CASE(2, A);
PWM_CASE(2, B);
#endif
#if defined(TCCR3A) && defined(COM3A1)
PWM_CASE(3, A);
PWM_CASE(3, B);
#ifdef COM3C1
PWM_CASE(3, C);
#endif
#endif
#ifdef TCCR4A
PWM_CASE(4, A);
PWM_CASE(4, B);
PWM_CASE(4, C);
#endif
#if defined(TCCR5A) && defined(COM5A1)
PWM_CASE(5, A);
PWM_CASE(5, B);
PWM_CASE(5, C);
#endif
case NOT_ON_TIMER:
default:
return false;
}
SERIAL_ECHO_SP(2);
} // pwm_status
const volatile uint8_t* const PWM_other[][3] PROGMEM = {
{ &TCCR0A, &TCCR0B, &TIMSK0 },
{ &TCCR1A, &TCCR1B, &TIMSK1 },
#if defined(TCCR2A) && defined(COM2A1)
{ &TCCR2A, &TCCR2B, &TIMSK2 },
#endif
#if defined(TCCR3A) && defined(COM3A1)
{ &TCCR3A, &TCCR3B, &TIMSK3 },
#endif
#ifdef TCCR4A
{ &TCCR4A, &TCCR4B, &TIMSK4 },
#endif
#if defined(TCCR5A) && defined(COM5A1)
{ &TCCR5A, &TCCR5B, &TIMSK5 },
#endif
};
const volatile uint8_t* const PWM_OCR[][3] PROGMEM = {
#ifdef TIMER0A
{ &OCR0A, &OCR0B, 0 },
#else
{ 0, &OCR0B, 0 },
#endif
#if defined(COM1C1) && defined(TIMER1C)
{ (const uint8_t*)&OCR1A, (const uint8_t*)&OCR1B, (const uint8_t*)&OCR1C },
#else
{ (const uint8_t*)&OCR1A, (const uint8_t*)&OCR1B, 0 },
#endif
#if defined(TCCR2A) && defined(COM2A1)
{ &OCR2A, &OCR2B, 0 },
#endif
#if defined(TCCR3A) && defined(COM3A1)
#ifdef COM3C1
{ (const uint8_t*)&OCR3A, (const uint8_t*)&OCR3B, (const uint8_t*)&OCR3C },
#else
{ (const uint8_t*)&OCR3A, (const uint8_t*)&OCR3B, 0 },
#endif
#endif
#ifdef TCCR4A
{ (const uint8_t*)&OCR4A, (const uint8_t*)&OCR4B, (const uint8_t*)&OCR4C },
#endif
#if defined(TCCR5A) && defined(COM5A1)
{ (const uint8_t*)&OCR5A, (const uint8_t*)&OCR5B, (const uint8_t*)&OCR5C },
#endif
};
#define TCCR_A(T) pgm_read_word(&PWM_other[T][0])
#define TCCR_B(T) pgm_read_word(&PWM_other[T][1])
#define TIMSK(T) pgm_read_word(&PWM_other[T][2])
#define CS_0 0
#define CS_1 1
#define CS_2 2
#define WGM_0 0
#define WGM_1 1
#define WGM_2 3
#define WGM_3 4
#define TOIE 0
#define OCR_VAL(T, L) pgm_read_word(&PWM_OCR[T][L])
static void err_is_counter() { SERIAL_ECHOPGM(" non-standard PWM mode"); }
static void err_is_interrupt() { SERIAL_ECHOPGM(" compare interrupt enabled"); }
static void err_prob_interrupt() { SERIAL_ECHOPGM(" overflow interrupt enabled"); }
static void print_is_also_tied() { SERIAL_ECHOPGM(" is also tied to this pin"); SERIAL_ECHO_SP(14); }
void com_print(uint8_t N, uint8_t Z) {
const uint8_t *TCCRA = (uint8_t*)TCCR_A(N);
SERIAL_ECHOPGM(" COM");
SERIAL_CHAR(N + '0');
switch (Z) {
case 'A':
SERIAL_ECHOPAIR("A: ", ((*TCCRA & (_BV(7) | _BV(6))) >> 6));
break;
case 'B':
SERIAL_ECHOPAIR("B: ", ((*TCCRA & (_BV(5) | _BV(4))) >> 4));
break;
case 'C':
SERIAL_ECHOPAIR("C: ", ((*TCCRA & (_BV(3) | _BV(2))) >> 2));
break;
}
}
void timer_prefix(uint8_t T, char L, uint8_t N) { // T - timer L - pwm N - WGM bit layout
char buffer[20]; // for the sprintf statements
const uint8_t *TCCRB = (uint8_t*)TCCR_B(T),
*TCCRA = (uint8_t*)TCCR_A(T);
uint8_t WGM = (((*TCCRB & _BV(WGM_2)) >> 1) | (*TCCRA & (_BV(WGM_0) | _BV(WGM_1))));
if (N == 4) WGM |= ((*TCCRB & _BV(WGM_3)) >> 1);
SERIAL_ECHOPGM(" TIMER");
SERIAL_CHAR(T + '0');
SERIAL_CHAR(L);
SERIAL_ECHO_SP(3);
if (N == 3) {
const uint8_t *OCRVAL8 = (uint8_t*)OCR_VAL(T, L - 'A');
PWM_PRINT(*OCRVAL8);
}
else {
const uint16_t *OCRVAL16 = (uint16_t*)OCR_VAL(T, L - 'A');
PWM_PRINT(*OCRVAL16);
}
SERIAL_ECHOPAIR(" WGM: ", WGM);
com_print(T,L);
SERIAL_ECHOPAIR(" CS: ", (*TCCRB & (_BV(CS_0) | _BV(CS_1) | _BV(CS_2)) ));
SERIAL_ECHOPGM(" TCCR");
SERIAL_CHAR(T + '0');
SERIAL_ECHOPAIR("A: ", *TCCRA);
SERIAL_ECHOPGM(" TCCR");
SERIAL_CHAR(T + '0');
SERIAL_ECHOPAIR("B: ", *TCCRB);
const uint8_t *TMSK = (uint8_t*)TIMSK(T);
SERIAL_ECHOPGM(" TIMSK");
SERIAL_CHAR(T + '0');
SERIAL_ECHOPAIR(": ", *TMSK);
const uint8_t OCIE = L - 'A' + 1;
if (N == 3) { if (WGM == 0 || WGM == 2 || WGM == 4 || WGM == 6) err_is_counter(); }
else { if (WGM == 0 || WGM == 4 || WGM == 12 || WGM == 13) err_is_counter(); }
if (TEST(*TMSK, OCIE)) err_is_interrupt();
if (TEST(*TMSK, TOIE)) err_prob_interrupt();
}
static void pwm_details(uint8_t pin) {
switch (digitalPinToTimer_DEBUG(pin)) {
#if defined(TCCR0A) && defined(COM0A1)
#ifdef TIMER0A
#if !AVR_AT90USB1286_FAMILY // not available in Teensyduino type IDEs
case TIMER0A: timer_prefix(0, 'A', 3); break;
#endif
#endif
case TIMER0B: timer_prefix(0, 'B', 3); break;
#endif
#if defined(TCCR1A) && defined(COM1A1)
case TIMER1A: timer_prefix(1, 'A', 4); break;
case TIMER1B: timer_prefix(1, 'B', 4); break;
#if defined(COM1C1) && defined(TIMER1C)
case TIMER1C: timer_prefix(1, 'C', 4); break;
#endif
#endif
#if defined(TCCR2A) && defined(COM2A1)
case TIMER2A: timer_prefix(2, 'A', 3); break;
case TIMER2B: timer_prefix(2, 'B', 3); break;
#endif
#if defined(TCCR3A) && defined(COM3A1)
case TIMER3A: timer_prefix(3, 'A', 4); break;
case TIMER3B: timer_prefix(3, 'B', 4); break;
#ifdef COM3C1
case TIMER3C: timer_prefix(3, 'C', 4); break;
#endif
#endif
#ifdef TCCR4A
case TIMER4A: timer_prefix(4, 'A', 4); break;
case TIMER4B: timer_prefix(4, 'B', 4); break;
case TIMER4C: timer_prefix(4, 'C', 4); break;
#endif
#if defined(TCCR5A) && defined(COM5A1)
case TIMER5A: timer_prefix(5, 'A', 4); break;
case TIMER5B: timer_prefix(5, 'B', 4); break;
case TIMER5C: timer_prefix(5, 'C', 4); break;
#endif
case NOT_ON_TIMER: break;
}
SERIAL_ECHOPGM(" ");
// on pins that have two PWMs, print info on second PWM
#if AVR_ATmega2560_FAMILY || AVR_AT90USB1286_FAMILY
// looking for port B7 - PWMs 0A and 1C
if (digitalPinToPort_DEBUG(pin) == 'B' - 64 && 0x80 == digitalPinToBitMask_DEBUG(pin)) {
#if !AVR_AT90USB1286_FAMILY
SERIAL_ECHOPGM("\n .");
SERIAL_ECHO_SP(18);
SERIAL_ECHOPGM("TIMER1C");
print_is_also_tied();
timer_prefix(1, 'C', 4);
#else
SERIAL_ECHOPGM("\n .");
SERIAL_ECHO_SP(18);
SERIAL_ECHOPGM("TIMER0A");
print_is_also_tied();
timer_prefix(0, 'A', 3);
#endif
}
#endif
} // pwm_details
#ifndef digitalRead_mod // Use Teensyduino's version of digitalRead - it doesn't disable the PWMs
int digitalRead_mod(const int8_t pin) { // same as digitalRead except the PWM stop section has been removed
const uint8_t port = digitalPinToPort_DEBUG(pin);
return (port != NOT_A_PIN) && (*portInputRegister(port) & digitalPinToBitMask_DEBUG(pin)) ? HIGH : LOW;
}
#endif
#ifndef PRINT_PORT
void print_port(int8_t pin) { // print port number
#ifdef digitalPinToPort_DEBUG
uint8_t x;
SERIAL_ECHOPGM(" Port: ");
#if AVR_AT90USB1286_FAMILY
x = (pin == 46 || pin == 47) ? 'E' : digitalPinToPort_DEBUG(pin) + 64;
#else
x = digitalPinToPort_DEBUG(pin) + 64;
#endif
SERIAL_CHAR(x);
#if AVR_AT90USB1286_FAMILY
if (pin == 46)
x = '2';
else if (pin == 47)
x = '3';
else {
uint8_t temp = digitalPinToBitMask_DEBUG(pin);
for (x = '0'; x < '9' && temp != 1; x++) temp >>= 1;
}
#else
uint8_t temp = digitalPinToBitMask_DEBUG(pin);
for (x = '0'; x < '9' && temp != 1; x++) temp >>= 1;
#endif
SERIAL_CHAR(x);
#else
SERIAL_ECHO_SP(10);
#endif
}
#define PRINT_PORT(p) print_port(p)
#endif
#define PRINT_PIN(p) do {sprintf_P(buffer, PSTR("%3d "), p); SERIAL_ECHO(buffer);} while (0)
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