andrey
/
Marlin_FB4S
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

MAX Thermocouples rework (#20447) 

Co-authored-by: Scott Lahteine <github@thinkyhead.com>
vanilla_fb_2.0.x
JoAnn Manges 4 years ago
committed by Scott Lahteine
parent
77f48d2bad
commit
41ab63897f
5 changed files with 266 additions and 56 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 2
      Marlin/src/HAL/LPC1768/inc/SanityCheck.h
  2. 6
      Marlin/src/MarlinCore.cpp
  3. 84
      Marlin/src/inc/Conditionals_post.h
  4. 203
      Marlin/src/module/temperature.cpp
  5. 1
      Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_3.h

2
Marlin/src/HAL/LPC1768/inc/SanityCheck.h
View File

@ -31,7 +31,7 @@
/**
* Detect an old pins file by checking for old ADC pins values.
*/
#define _OLD_TEMP_PIN(P) PIN_EXISTS(P) && _CAT(P,_PIN) <= 7 && _CAT(P,_PIN) != 2 && _CAT(P,_PIN) != 3
#define _OLD_TEMP_PIN(P) PIN_EXISTS(P) && _CAT(P,_PIN) <= 7 && !WITHIN(_CAT(P,_PIN), TERN(LPC1768_IS_SKRV1_3, 0, 2), 3) // Include P0_00 and P0_01 for SKR V1.3 board
#if _OLD_TEMP_PIN(TEMP_BED)
#error "TEMP_BED_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
#elif _OLD_TEMP_PIN(TEMP_0)

6
Marlin/src/MarlinCore.cpp
View File

@ -937,11 +937,11 @@ void setup() {
SETUP_RUN(HAL_init());
// Init and disable SPI thermocouples
#if TEMP_SENSOR_0_IS_MAX6675
// Init and disable SPI thermocouples; this is still needed
#if TEMP_SENSOR_0_IS_MAX_TC
OUT_WRITE(MAX6675_SS_PIN, HIGH); // Disable
#endif
#if TEMP_SENSOR_1_IS_MAX6675
#if TEMP_SENSOR_1_IS_MAX_TC
OUT_WRITE(MAX6675_SS2_PIN, HIGH); // Disable
#endif

84
Marlin/src/inc/Conditionals_post.h
View File

@ -490,6 +490,90 @@
#define HAS_MAX6675 1
#endif
//
// Compatibility layer for MAX (SPI) temp boards
//
#if PIN_EXISTS(MAX6675_SS)
#if TEMP_SENSOR_0_IS_MAX31855
#define MAX31855_CS_PIN MAX6675_SS_PIN
#elif TEMP_SENSOR_0_IS_MAX31865
#define MAX31865_CS_PIN MAX6675_SS_PIN
#elif TEMP_SENSOR_0_IS_MAX6675
#define MAX6675_CS_PIN MAX6675_SS_PIN
#endif
#endif
#if PIN_EXISTS(MAX6675_SS2)
#if TEMP_SENSOR_1_IS_MAX31855
#define MAX31855_CS2_PIN MAX6675_SS2_PIN
#elif TEMP_SENSOR_1_IS_MAX31865
#define MAX31865_CS2_PIN MAX6675_SS2_PIN
#elif TEMP_SENSOR_1_IS_MAX6675
#define MAX6675_CS2_PIN MAX6675_SS2_PIN
#endif
#endif
#if PIN_EXISTS(MAX6675_DO)
#if HAS_MAX31855
#define MAX31855_MISO_PIN MAX6675_DO_PIN
#elif HAS_MAX31865
#define MAX31865_MISO_PIN MAX6675_DO_PIN
#elif HAS_MAX6675
#define MAX6675_MISO_PIN MAX6675_DO_PIN
#endif
#endif
#if PIN_EXISTS(MAX6675_SCK)
#if HAS_MAX31855
#define MAX31855_SCK_PIN MAX6675_SCK_PIN
#elif HAS_MAX31865
#define MAX31865_SCK_PIN MAX6675_SCK_PIN
#endif
#endif
// Compatibility Layer for use when HAL manipulates PINS for MAX31855 and MAX6675
#if PIN_EXISTS(MAX31855_CS) && !PIN_EXISTS(MAX6675_SS)
#define MAX6675_SS_PIN MAX31855_CS_PIN
#endif
#if PIN_EXISTS(MAX31855_CS2) && !PIN_EXISTS(MAX6675_SS2)
#define MAX6675_SS2_PIN MAX31855_CS2_PIN
#endif
#if PIN_EXISTS(MAX6675_CS) && !PIN_EXISTS(MAX6675_SS)
#define MAX6675_SS_PIN MAX6675_CS_PIN
#endif
#if PIN_EXISTS(MAX6675_CS2) && !PIN_EXISTS(MAX6675_SS2)
#define MAX6675_SS2_PIN MAX6675_CS2_PIN
#endif
#if PIN_EXISTS(MAX31855_MISO) && !PIN_EXISTS(MAX6675_DO)
#define MAX6675_DO_PIN MAX31855_MISO_PIN
#endif
#if PIN_EXISTS(MAX6675_MISO) && !PIN_EXISTS(MAX6675_DO)
#define MAX6675_DO_PIN MAX6675_MISO_PIN
#endif
#if PIN_EXISTS(MAX31855_SCK) && !PIN_EXISTS(MAX6675_SCK)
#define MAX6675_SCK_PIN MAX31855_SCK_PIN
#endif
//
// User-defined thermocouple libraries
//
// Add LIB_MAX6675 / LIB_MAX31855 / LIB_MAX31865 to the build_flags
// to select a USER library for MAX6675, MAX31855, MAX31865
//
#if BOTH(HAS_MAX6675, LIB_MAX6675)
#define LIB_USR_MAX6675 1
#endif
#if BOTH(HAS_MAX31855, LIB_MAX31855)
#define LIB_USR_MAX31855 1
#endif
#if HAS_MAX31865
#if ENABLED(LIB_MAX31865)
#define LIB_USR_MAX31865 1
#else
#define LIB_ADAFRUIT_MAX31865 1
#endif
#endif
#if TEMP_SENSOR_2 == -4
#define TEMP_SENSOR_2_IS_AD8495 1
#elif TEMP_SENSOR_2 == -3

203
Marlin/src/module/temperature.cpp
View File

@ -47,41 +47,104 @@
#include "../lcd/extui/ui_api.h"
#endif
#if HAS_MAX31865
#include <Adafruit_MAX31865.h>
#if TEMP_SENSOR_0_IS_MAX31865 && !defined(MAX31865_CS_PIN) && PIN_EXISTS(MAX6675_SS)
#define MAX31865_CS_PIN MAX6675_SS_PIN
// LIB_MAX31855 can be added to the build_flags in platformio.ini to use a user-defined library
#if LIB_USR_MAX31855
#include <Adafruit_MAX31855.h>
#if PIN_EXISTS(MAX31855_MISO) && PIN_EXISTS(MAX31855_SCK)
#define MAX31855_USES_SW_SPI 1
#endif
#if TEMP_SENSOR_0_IS_MAX31855 && PIN_EXISTS(MAX31855_CS)
#define HAS_MAX31855_TEMP 1
Adafruit_MAX31855 max31855_0 = Adafruit_MAX31855(MAX31855_CS_PIN
#if MAX31855_USES_SW_SPI
, MAX31855_MISO_PIN, MAX31855_SCK_PIN // For software SPI also set MISO/SCK
#endif
#if TEMP_SENSOR_1_IS_MAX31865 && !defined(MAX31865_CS2_PIN) && PIN_EXISTS(MAX6675_SS2)
#define MAX31865_CS2_PIN MAX6675_SS2_PIN
#if ENABLED(LARGE_PINMAP)
, HIGH
#endif
);
#endif
#if TEMP_SENSOR_1_IS_MAX31855 && PIN_EXISTS(MAX31855_CS2)
#define HAS_MAX31855_TEMP 1
Adafruit_MAX31855 max31855_1 = Adafruit_MAX31855(MAX31855_CS2_PIN
#if MAX31855_USES_SW_SPI
, MAX31855_MISO_PIN, MAX31855_SCK_PIN // For software SPI also set MISO/SCK
#endif
#if ENABLED(LARGE_PINMAP)
, HIGH
#endif
);
#endif
#endif
// LIB_MAX31865 can be added to the build_flags in platformio.ini to use a user-defined library.
// If LIB_MAX31865 is not on the build_flags then the Adafruit MAX31865 V1.1.0 library is used.
#if HAS_MAX31865
#include <Adafruit_MAX31865.h>
#ifndef MAX31865_MOSI_PIN
#define MAX31865_MOSI_PIN SD_MOSI_PIN
#endif
#ifndef MAX31865_MISO_PIN
#define MAX31865_MISO_PIN MAX6675_DO_PIN
#endif
#ifndef MAX31865_SCK_PIN
#define MAX31865_SCK_PIN MAX6675_SCK_PIN
#if PIN_EXISTS(MAX31865_MISO) && PIN_EXISTS(MAX31865_SCK)
#define MAX31865_USES_SW_SPI 1
#endif
#if TEMP_SENSOR_0_IS_MAX31865 && PIN_EXISTS(MAX31865_CS)
#define HAS_MAX31865_TEMP 1
Adafruit_MAX31865 max31865_0 = Adafruit_MAX31865(MAX31865_CS_PIN
#if MAX31865_CS_PIN != MAX6675_SS_PIN
#if MAX31865_USES_SW_SPI && PIN_EXISTS(MAX31865_MOSI)
, MAX31865_MOSI_PIN, MAX31865_MISO_PIN, MAX31865_SCK_PIN // For software SPI also set MOSI/MISO/SCK
#endif
#if ENABLED(LARGE_PINMAP)
, HIGH
#endif
);
#endif
#if TEMP_SENSOR_1_IS_MAX31865 && PIN_EXISTS(MAX31865_CS2)
#define HAS_MAX31865_TEMP 1
Adafruit_MAX31865 max31865_1 = Adafruit_MAX31865(MAX31865_CS2_PIN
#if MAX31865_CS2_PIN != MAX6675_SS2_PIN
#if MAX31865_USES_SW_SPI && PIN_EXISTS(MAX31865_MOSI)
, MAX31865_MOSI_PIN, MAX31865_MISO_PIN, MAX31865_SCK_PIN // For software SPI also set MOSI/MISO/SCK
#endif
#if ENABLED(LARGE_PINMAP)
, HIGH
#endif
);
#endif
#endif
// LIB_MAX6675 can be added to the build_flags in platformio.ini to use a user-defined library
#if LIB_USR_MAX6675
#include <max6675.h>
#if PIN_EXISTS(MAX6675_MISO) && PIN_EXISTS(MAX6675_SCK)
#define MAX6675_USES_SW_SPI 1
#endif
#if TEMP_SENSOR_0_IS_MAX6675 && PIN_EXISTS(MAX6675_CS)
#define HAS_MAX6675_TEMP 1
MAX6675 max6675_0 = MAX6675(MAX6675_CS_PIN
#if MAX6675_USES_SW_SPI
, MAX6675_MISO_PIN, MAX6675_SCK_PIN // For software SPI also set MISO/SCK
#endif
#if ENABLED(LARGE_PINMAP)
, HIGH
#endif
);
#endif
#if TEMP_SENSOR_1_IS_MAX6675 && PIN_EXISTS(MAX6675_CS2)
#define HAS_MAX6675_TEMP 1
MAX6675 max6675_1 = MAX6675(MAX6675_CS2_PIN
#if MAX6675_USES_SW_SPI
, MAX6675_MISO_PIN, MAX6675_SCK_PIN // For software SPI also set MISO/SCK
#endif
#if ENABLED(LARGE_PINMAP)
, HIGH
#endif
);
#endif
#endif
#if !HAS_MAX6675_TEMP && !HAS_MAX31855_TEMP && !HAS_MAX31865_TEMP
#define NO_THERMO_TEMPS 1
#endif
#if (TEMP_SENSOR_0_IS_MAX_TC || TEMP_SENSOR_1_IS_MAX_TC) && PINS_EXIST(MAX6675_SCK, MAX6675_DO) && NO_THERMO_TEMPS
#define THERMO_SEPARATE_SPI 1
#endif
@ -1718,9 +1781,38 @@ void Temperature::updateTemperaturesFromRawValues() {
* The manager is implemented by periodic calls to manage_heater()
*/
void Temperature::init() {
// Init (and disable) SPI thermocouples
#if TEMP_SENSOR_0_IS_MAX6675 && PIN_EXISTS(MAX6675_CS)
OUT_WRITE(MAX6675_CS_PIN, HIGH);
#endif
#if TEMP_SENSOR_1_IS_MAX6675 && PIN_EXISTS(MAX6675_CS2)
OUT_WRITE(MAX6675_CS2_PIN, HIGH);
#endif
#if TEMP_SENSOR_0_IS_MAX6675 && PIN_EXISTS(MAX31855_CS)
OUT_WRITE(MAX31855_CS_PIN, HIGH);
#endif
#if TEMP_SENSOR_1_IS_MAX6675 && PIN_EXISTS(MAX31855_CS2)
OUT_WRITE(MAX31855_CS2_PIN, HIGH);
#endif
#if TEMP_SENSOR_0_IS_MAX6675 && PIN_EXISTS(MAX31865_CS)
OUT_WRITE(MAX31865_CS_PIN, HIGH);
#endif
#if TEMP_SENSOR_1_IS_MAX6675 && PIN_EXISTS(MAX31865_CS2)
OUT_WRITE(MAX31865_CS2_PIN, HIGH);
#endif
#if HAS_MAX31865_TEMP
TERN_(TEMP_SENSOR_0_IS_MAX31865, max31865_0.begin(MAX31865_2WIRE)); // MAX31865_2WIRE, MAX31865_3WIRE, MAX31865_4WIRE
TERN_(TEMP_SENSOR_1_IS_MAX31865, max31865_1.begin(MAX31865_2WIRE));
#endif
#if HAS_MAX31855_TEMP
TERN_(TEMP_SENSOR_0_IS_MAX31855, max31855_0.begin());
TERN_(TEMP_SENSOR_1_IS_MAX31855, max31855_1.begin());
#endif
#if HAS_MAX6675_TEMP
TERN_(TEMP_SENSOR_0_IS_MAX6675, max6675_0.begin());
TERN_(TEMP_SENSOR_1_IS_MAX6675, max6675_1.begin());
#endif
#if EARLY_WATCHDOG
// Flag that the thermalManager should be running
@ -2234,7 +2326,7 @@ void Temperature::disable_all_heaters() {
int Temperature::read_max_tc(TERN_(HAS_MULTI_MAX_TC, const uint8_t hindex/*=0*/)) {
#define MAX6675_HEAT_INTERVAL 250UL
#if HAS_MAX31855
#if HAS_MAX31855_TEMP
static uint32_t max_tc_temp = 2000;
#define MAX_TC_ERROR_MASK 7
#define MAX_TC_DISCARD_BITS 18
@ -2284,65 +2376,91 @@ void Temperature::disable_all_heaters() {
if (PENDING(ms, next_max_tc_ms[hindex])) return int(THERMO_TEMP(hindex));
next_max_tc_ms[hindex] = ms + MAX6675_HEAT_INTERVAL;
#if HAS_MAX31865_TEMP
Adafruit_MAX31865 &maxref = THERMO_SEL(max31865_0, max31865_1);
const uint16_t max31865_ohms = (uint32_t(maxref.readRTD()) * THERMO_SEL(MAX31865_CALIBRATION_OHMS_0, MAX31865_CALIBRATION_OHMS_1)) >> 16;
#endif
//
// TODO: spiBegin, spiRec and spiInit doesn't work when soft spi is used.
//
#if !THERMO_SEPARATE_SPI
#if !THERMO_SEPARATE_SPI && NO_THERMO_TEMPS
spiBegin();
spiInit(MAX_TC_SPEED_BITS);
#endif
#if NO_THERMO_TEMPS
MAX6675_WRITE(LOW); // enable TT_MAX6675
DELAY_NS(100); // Ensure 100ns delay
#endif
// Read a big-endian temperature value
max_tc_temp = 0;
// Read a big-endian temperature value
#if NO_THERMO_TEMPS
for (uint8_t i = sizeof(max_tc_temp); i--;) {
max_tc_temp |= TERN(THERMO_SEPARATE_SPI, max_tc_spi.receive(), spiRec());
if (i > 0) max_tc_temp <<= 8; // shift left if not the last byte
}
MAX6675_WRITE(HIGH); // disable TT_MAX6675
#endif
const uint8_t fault_31865 = TERN1(HAS_MAX31865_TEMP, maxref.readFault());
#if HAS_MAX31855_TEMP
Adafruit_MAX31855 &max855ref = THERMO_SEL(max31855_0, max31855_1);
max_tc_temp = max855ref.readRaw32();
#endif
#if HAS_MAX31865_TEMP
Adafruit_MAX31865 &max865ref = THERMO_SEL(max31865_0, max31865_1);
#if ENABLED(LIB_USR_MAX31865)
max_tc_temp = max865ref.readRTD_with_Fault();
#endif
#endif
#if HAS_MAX6675_TEMP
MAX6675 &max6675ref = THERMO_SEL(max6675_0, max6675_1);
max_tc_temp = max6675ref.readRaw16();
#endif
#if ENABLED(LIB_ADAFRUIT_MAX31865)
const uint8_t fault_31865 = max865ref.readFault() & 0x3FU;
#endif
if (DISABLED(IGNORE_THERMOCOUPLE_ERRORS) && (max_tc_temp & MAX_TC_ERROR_MASK) && fault_31865) {
if (DISABLED(IGNORE_THERMOCOUPLE_ERRORS)
&& TERN(LIB_ADAFRUIT_MAX31865, fault_31865, (max_tc_temp & MAX_TC_ERROR_MASK))
) {
max_tc_errors[hindex]++;
if (max_tc_errors[hindex] > THERMOCOUPLE_MAX_ERRORS) {
SERIAL_ERROR_START();
SERIAL_ECHOPGM("Temp measurement error! ");
#if MAX_TC_ERROR_MASK == 7
SERIAL_ECHOPGM("MAX31855 ");
if (max_tc_temp & 1)
SERIAL_ECHOPGM("MAX31855 Fault : (", max_tc_temp & 0x7, ") >> ");
if (max_tc_temp & 0x1)
SERIAL_ECHOLNPGM("Open Circuit");
else if (max_tc_temp & 2)
else if (max_tc_temp & 0x2)
SERIAL_ECHOLNPGM("Short to GND");
else if (max_tc_temp & 4)
else if (max_tc_temp & 0x4)
SERIAL_ECHOLNPGM("Short to VCC");
#elif HAS_MAX31865_TEMP
#elif HAS_MAX31865
#if ENABLED(LIB_USR_MAX31865)
// At the present time we do not have the ability to set the MAX31865 HIGH threshold
// or thr LOW threshold, so no need to check for them, zero these bits out
const uint8_t fault_31865 = max865ref.readFault() & 0x3FU;
#endif
max865ref.clearFault();
if (fault_31865) {
maxref.clearFault();
SERIAL_ECHOPAIR("MAX31865 Fault :(", fault_31865, ") >>");
SERIAL_EOL();
SERIAL_ECHOLNPAIR("\nMAX31865 Fault :(", fault_31865, ") >>");
if (fault_31865 & MAX31865_FAULT_HIGHTHRESH)
SERIAL_ECHOLNPGM("RTD High Threshold");
else if (fault_31865 & MAX31865_FAULT_LOWTHRESH)
if (fault_31865 & MAX31865_FAULT_LOWTHRESH)
SERIAL_ECHOLNPGM("RTD Low Threshold");
else if (fault_31865 & MAX31865_FAULT_REFINLOW)
if (fault_31865 & MAX31865_FAULT_REFINLOW)
SERIAL_ECHOLNPGM("REFIN- > 0.85 x Bias");
else if (fault_31865 & MAX31865_FAULT_REFINHIGH)
if (fault_31865 & MAX31865_FAULT_REFINHIGH)
SERIAL_ECHOLNPGM("REFIN- < 0.85 x Bias - FORCE- open");
else if (fault_31865 & MAX31865_FAULT_RTDINLOW)
if (fault_31865 & MAX31865_FAULT_RTDINLOW)
SERIAL_ECHOLNPGM("REFIN- < 0.85 x Bias - FORCE- open");
else if (fault_31865 & MAX31865_FAULT_OVUV)
if (fault_31865 & MAX31865_FAULT_OVUV)
SERIAL_ECHOLNPGM("Under/Over voltage");
}
#else
SERIAL_ECHOLNPGM("MAX6675");
SERIAL_ECHOLNPGM("MAX6675 Open Circuit");
#endif
// Thermocouple open
@ -2361,7 +2479,13 @@ void Temperature::disable_all_heaters() {
#endif
// Return the RTD resistance for MAX31865 for display in SHOW_TEMP_ADC_VALUES
TERN_(HAS_MAX31865_TEMP, max_tc_temp = max31865_ohms);
#if HAS_MAX31865_TEMP
#if ENABLED(LIB_ADAFRUIT_MAX31865)
max_tc_temp = (uint32_t(max865ref.readRTD()) * THERMO_SEL(MAX31865_CALIBRATION_OHMS_0, MAX31865_CALIBRATION_OHMS_1)) >> 16;
#elif ENABLED(LIB_USR_MAX31865)
max_tc_temp = (uint32_t(max_tc_temp) * THERMO_SEL(MAX31865_CALIBRATION_OHMS_0, MAX31865_CALIBRATION_OHMS_1)) >> 16;
#endif
#endif
THERMO_TEMP(hindex) = max_tc_temp;
@ -3047,7 +3171,8 @@ void Temperature::tick() {
SERIAL_ECHOPGM(" /");
SERIAL_PRINT(t, SFP);
#if ENABLED(SHOW_TEMP_ADC_VALUES)
SERIAL_ECHOPAIR(" (", r * RECIPROCAL(OVERSAMPLENR));
// Temperature MAX SPI boards do not have an OVERSAMPLENR defined
SERIAL_ECHOPAIR(" (", TERN(NO_THERMO_TEMPS, false, k == 'T') ? r : r * RECIPROCAL(OVERSAMPLENR));
SERIAL_CHAR(')');
#endif
delay(2);

1
Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_3.h
View File

@ -22,6 +22,7 @@
#pragma once
#define BOARD_INFO_NAME "BTT SKR V1.3"
#define LPC1768_IS_SKRV1_3 1
//
// Trinamic Stallguard pins

Write Preview
Loading…
Cancel
Save