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@ -44,30 +44,44 @@ |
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#include "../lcd/extui/ui_api.h" |
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#include "../lcd/extui/ui_api.h" |
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#endif |
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#endif |
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#if MAX6675_IS_MAX31865 |
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#if MAX6675_0_IS_MAX31865 || MAX6675_1_IS_MAX31865 |
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#include <Adafruit_MAX31865.h> |
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#include <Adafruit_MAX31865.h> |
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#ifndef MAX31865_CS_PIN |
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#if MAX6675_0_IS_MAX31865 && !defined(MAX31865_CS_PIN) && PIN_EXISTS(MAX6675_SS) |
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#define MAX31865_CS_PIN MAX6675_SS_PIN // HW:49 SW:65 for example
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#define MAX31865_CS_PIN MAX6675_SS_PIN |
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#endif |
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#if MAX6675_1_IS_MAX31865 && !defined(MAX31865_CS2_PIN) && PIN_EXISTS(MAX6675_SS2) |
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#define MAX31865_CS2_PIN MAX6675_SS2_PIN |
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#endif |
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#endif |
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#ifndef MAX31865_MOSI_PIN |
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#ifndef MAX31865_MOSI_PIN |
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#define MAX31865_MOSI_PIN MOSI_PIN // 63
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#define MAX31865_MOSI_PIN MOSI_PIN |
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#endif |
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#endif |
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#ifndef MAX31865_MISO_PIN |
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#ifndef MAX31865_MISO_PIN |
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#define MAX31865_MISO_PIN MAX6675_DO_PIN // 42
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#define MAX31865_MISO_PIN MAX6675_DO_PIN |
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#endif |
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#endif |
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#ifndef MAX31865_SCK_PIN |
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#ifndef MAX31865_SCK_PIN |
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#define MAX31865_SCK_PIN MAX6675_SCK_PIN // 40
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#define MAX31865_SCK_PIN MAX6675_SCK_PIN |
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#endif |
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#if MAX6675_0_IS_MAX31865 && PIN_EXISTS(MAX31865_CS) |
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#define HAS_MAX31865 1 |
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Adafruit_MAX31865 max31865_0 = Adafruit_MAX31865(MAX31865_CS_PIN |
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#if MAX31865_CS_PIN != MAX6675_SS_PIN |
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, MAX31865_MOSI_PIN, MAX31865_MISO_PIN, MAX31865_SCK_PIN // For software SPI also set MOSI/MISO/SCK
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#endif |
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); |
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#endif |
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#if MAX6675_1_IS_MAX31865 && PIN_EXISTS(MAX31865_CS2) |
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#define HAS_MAX31865 1 |
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Adafruit_MAX31865 max31865_1 = Adafruit_MAX31865(MAX31865_CS2_PIN |
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#if MAX31865_CS2_PIN != MAX6675_SS2_PIN |
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, MAX31865_MOSI_PIN, MAX31865_MISO_PIN, MAX31865_SCK_PIN // For software SPI also set MOSI/MISO/SCK
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#endif |
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); |
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#endif |
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#endif |
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Adafruit_MAX31865 max31865 = Adafruit_MAX31865(MAX31865_CS_PIN |
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#if MAX31865_CS_PIN != MAX6675_SS_PIN |
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, MAX31865_MOSI_PIN // For software SPI also set MOSI/MISO/SCK
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, MAX31865_MISO_PIN |
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, MAX31865_SCK_PIN |
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#endif |
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); |
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#endif |
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#endif |
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#define MAX6675_SEPARATE_SPI (EITHER(HEATER_0_USES_MAX6675, HEATER_1_USES_MAX6675) && PINS_EXIST(MAX6675_SCK, MAX6675_DO)) |
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#if EITHER(HEATER_0_USES_MAX6675, HEATER_1_USES_MAX6675) && PINS_EXIST(MAX6675_SCK, MAX6675_DO) |
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#define MAX6675_SEPARATE_SPI 1 |
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#endif |
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#if MAX6675_SEPARATE_SPI |
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#if MAX6675_SEPARATE_SPI |
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#include "../libs/private_spi.h" |
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#include "../libs/private_spi.h" |
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@ -1471,13 +1485,7 @@ void Temperature::manage_heater() { |
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#if HEATER_0_USER_THERMISTOR |
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#if HEATER_0_USER_THERMISTOR |
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return user_thermistor_to_deg_c(CTI_HOTEND_0, raw); |
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return user_thermistor_to_deg_c(CTI_HOTEND_0, raw); |
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#elif HEATER_0_USES_MAX6675 |
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#elif HEATER_0_USES_MAX6675 |
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return ( |
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return TERN(MAX6675_0_IS_MAX31865, max31865_0.temperature(MAX31865_SENSOR_OHMS_0, MAX31865_CALIBRATION_OHMS_0), raw * 0.25); |
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#if MAX6675_IS_MAX31865 |
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max31865.temperature(MAX31865_SENSOR_OHMS, MAX31865_CALIBRATION_OHMS) |
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#else |
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raw * 0.25 |
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#endif |
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); |
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#elif HEATER_0_USES_AD595 |
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#elif HEATER_0_USES_AD595 |
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return TEMP_AD595(raw); |
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return TEMP_AD595(raw); |
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#elif HEATER_0_USES_AD8495 |
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#elif HEATER_0_USES_AD8495 |
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@ -1489,7 +1497,7 @@ void Temperature::manage_heater() { |
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#if HEATER_1_USER_THERMISTOR |
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#if HEATER_1_USER_THERMISTOR |
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return user_thermistor_to_deg_c(CTI_HOTEND_1, raw); |
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return user_thermistor_to_deg_c(CTI_HOTEND_1, raw); |
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#elif HEATER_1_USES_MAX6675 |
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#elif HEATER_1_USES_MAX6675 |
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return raw * 0.25; |
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return TERN(MAX6675_1_IS_MAX31865, max31865_1.temperature(MAX31865_SENSOR_OHMS_1, MAX31865_CALIBRATION_OHMS_1), raw * 0.25); |
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#elif HEATER_1_USES_AD595 |
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#elif HEATER_1_USES_AD595 |
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return TEMP_AD595(raw); |
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return TEMP_AD595(raw); |
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#elif HEATER_1_USES_AD8495 |
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#elif HEATER_1_USES_AD8495 |
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@ -1691,7 +1699,8 @@ void Temperature::updateTemperaturesFromRawValues() { |
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*/ |
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*/ |
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void Temperature::init() { |
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void Temperature::init() { |
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TERN_(MAX6675_IS_MAX31865, max31865.begin(MAX31865_2WIRE)); // MAX31865_2WIRE, MAX31865_3WIRE, MAX31865_4WIRE
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TERN_(MAX6675_0_IS_MAX31865, max31865_0.begin(MAX31865_2WIRE)); // MAX31865_2WIRE, MAX31865_3WIRE, MAX31865_4WIRE
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TERN_(MAX6675_1_IS_MAX31865, max31865_1.begin(MAX31865_2WIRE)); |
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#if EARLY_WATCHDOG |
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#if EARLY_WATCHDOG |
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// Flag that the thermalManager should be running
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// Flag that the thermalManager should be running
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@ -2200,50 +2209,64 @@ void Temperature::disable_all_heaters() { |
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#define THERMOCOUPLE_MAX_ERRORS 15 |
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#define THERMOCOUPLE_MAX_ERRORS 15 |
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#endif |
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#endif |
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int Temperature::read_max6675( |
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int Temperature::read_max6675(TERN_(HAS_MULTI_6675, const uint8_t hindex/*=0*/)) { |
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#if COUNT_6675 > 1 |
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const uint8_t hindex |
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#endif |
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) { |
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#if COUNT_6675 == 1 |
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constexpr uint8_t hindex = 0; |
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#else |
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// Needed to return the correct temp when this is called too soon
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static uint16_t max6675_temp_previous[COUNT_6675] = { 0 }; |
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#endif |
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static uint8_t max6675_errors[COUNT_6675] = { 0 }; |
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#define MAX6675_HEAT_INTERVAL 250UL |
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#define MAX6675_HEAT_INTERVAL 250UL |
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#if MAX6675_IS_MAX31855 |
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#if MAX6675_0_IS_MAX31855 || MAX6675_1_IS_MAX31855 |
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static uint32_t max6675_temp = 2000; |
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static uint32_t max6675_temp = 2000; |
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#define MAX6675_ERROR_MASK 7 |
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#define MAX6675_ERROR_MASK 7 |
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#define MAX6675_DISCARD_BITS 18 |
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#define MAX6675_DISCARD_BITS 18 |
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#define MAX6675_SPEED_BITS 3 // (_BV(SPR1)) // clock ÷ 64
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#define MAX6675_SPEED_BITS 3 // (_BV(SPR1)) // clock ÷ 64
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#elif HAS_MAX31865 |
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static uint16_t max6675_temp = 2000; // From datasheet 16 bits D15-D0
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#define MAX6675_ERROR_MASK 1 // D0 Bit not used
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#define MAX6675_DISCARD_BITS 1 // Data is in D15-D1
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#define MAX6675_SPEED_BITS 3 // (_BV(SPR1)) // clock ÷ 64
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#else |
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#else |
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static uint16_t max6675_temp = 2000; |
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static uint16_t max6675_temp = 2000; |
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#define MAX6675_ERROR_MASK 4 |
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#define MAX6675_ERROR_MASK 4 |
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#define MAX6675_DISCARD_BITS 3 |
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#define MAX6675_DISCARD_BITS 3 |
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#define MAX6675_SPEED_BITS 2 // (_BV(SPR0)) // clock ÷ 16
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#define MAX6675_SPEED_BITS 2 // (_BV(SPR0)) // clock ÷ 16
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#endif |
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#endif |
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#if HAS_MULTI_6675 |
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// Needed to return the correct temp when this is called between readings
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static uint16_t max6675_temp_previous[COUNT_6675] = { 0 }; |
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#define MAX6675_TEMP(I) max6675_temp_previous[I] |
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#define MAX6675_SEL(A,B) (hindex ? (B) : (A)) |
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#define MAX6675_WRITE(V) do{ switch (hindex) { case 1: WRITE(MAX6675_SS2_PIN, V); break; default: WRITE(MAX6675_SS_PIN, V); } }while(0) |
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#define MAX6675_SET_OUTPUT() do{ switch (hindex) { case 1: SET_OUTPUT(MAX6675_SS2_PIN); break; default: SET_OUTPUT(MAX6675_SS_PIN); } }while(0) |
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#else |
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constexpr uint8_t hindex = 0; |
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#define MAX6675_TEMP(I) max6675_temp |
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#if MAX6675_1_IS_MAX31865 |
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#define MAX6675_SEL(A,B) B |
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#else |
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#define MAX6675_SEL(A,B) A |
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#endif |
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#if HEATER_0_USES_MAX6675 |
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#define MAX6675_WRITE(V) WRITE(MAX6675_SS_PIN, V) |
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#define MAX6675_SET_OUTPUT() SET_OUTPUT(MAX6675_SS_PIN) |
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#else |
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#define MAX6675_WRITE(V) WRITE(MAX6675_SS2_PIN, V) |
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#define MAX6675_SET_OUTPUT() SET_OUTPUT(MAX6675_SS2_PIN) |
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#endif |
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#endif |
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static uint8_t max6675_errors[COUNT_6675] = { 0 }; |
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// Return last-read value between readings
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// Return last-read value between readings
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static millis_t next_max6675_ms[COUNT_6675] = { 0 }; |
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static millis_t next_max6675_ms[COUNT_6675] = { 0 }; |
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millis_t ms = millis(); |
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millis_t ms = millis(); |
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if (PENDING(ms, next_max6675_ms[hindex])) |
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if (PENDING(ms, next_max6675_ms[hindex])) return int(MAX6675_TEMP(hindex)); |
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return int( |
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#if COUNT_6675 == 1 |
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max6675_temp |
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#else |
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max6675_temp_previous[hindex] // Need to return the correct previous value
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#endif |
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); |
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next_max6675_ms[hindex] = ms + MAX6675_HEAT_INTERVAL; |
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next_max6675_ms[hindex] = ms + MAX6675_HEAT_INTERVAL; |
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#if MAX6675_IS_MAX31865 |
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#if HAS_MAX31865 |
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max6675_temp = int(max31865.temperature(MAX31865_SENSOR_OHMS, MAX31865_CALIBRATION_OHMS)); |
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Adafruit_MAX31865 &maxref = MAX6675_SEL(max31865_0, max31865_1); |
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max6675_temp = int(maxref.temperature( |
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MAX6675_SEL(MAX31865_SENSOR_OHMS_0, MAX31865_SENSOR_OHMS_1), |
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MAX6675_SEL(MAX31865_CALIBRATION_OHMS_0, MAX31865_CALIBRATION_OHMS_1) |
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)); |
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#endif |
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#endif |
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//
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//
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@ -2254,39 +2277,24 @@ void Temperature::disable_all_heaters() { |
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spiInit(MAX6675_SPEED_BITS); |
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spiInit(MAX6675_SPEED_BITS); |
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#endif |
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#endif |
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#if COUNT_6675 > 1 |
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MAX6675_SET_OUTPUT(); |
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#define WRITE_MAX6675(V) do{ switch (hindex) { case 1: WRITE(MAX6675_SS2_PIN, V); break; default: WRITE(MAX6675_SS_PIN, V); } }while(0) |
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MAX6675_WRITE(LOW); // enable TT_MAX6675
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#define SET_OUTPUT_MAX6675() do{ switch (hindex) { case 1: SET_OUTPUT(MAX6675_SS2_PIN); break; default: SET_OUTPUT(MAX6675_SS_PIN); } }while(0) |
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#elif HEATER_1_USES_MAX6675 |
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#define WRITE_MAX6675(V) WRITE(MAX6675_SS2_PIN, V) |
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#define SET_OUTPUT_MAX6675() SET_OUTPUT(MAX6675_SS2_PIN) |
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#else |
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#define WRITE_MAX6675(V) WRITE(MAX6675_SS_PIN, V) |
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#define SET_OUTPUT_MAX6675() SET_OUTPUT(MAX6675_SS_PIN) |
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#endif |
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SET_OUTPUT_MAX6675(); |
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WRITE_MAX6675(LOW); // enable TT_MAX6675
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DELAY_NS(100); // Ensure 100ns delay
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DELAY_NS(100); // Ensure 100ns delay
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// Read a big-endian temperature value
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// Read a big-endian temperature value
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max6675_temp = 0; |
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max6675_temp = 0; |
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for (uint8_t i = sizeof(max6675_temp); i--;) { |
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for (uint8_t i = sizeof(max6675_temp); i--;) { |
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max6675_temp |= ( |
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max6675_temp |= TERN(MAX6675_SEPARATE_SPI, max6675_spi.receive(), spiRec()); |
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#if MAX6675_SEPARATE_SPI |
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max6675_spi.receive() |
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#else |
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spiRec() |
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#endif |
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); |
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if (i > 0) max6675_temp <<= 8; // shift left if not the last byte
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if (i > 0) max6675_temp <<= 8; // shift left if not the last byte
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} |
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} |
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WRITE_MAX6675(HIGH); // disable TT_MAX6675
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MAX6675_WRITE(HIGH); // disable TT_MAX6675
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const uint8_t fault_31865 = TERN1(HAS_MAX31865, maxref.readFault()); |
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if (DISABLED(IGNORE_THERMOCOUPLE_ERRORS) && (max6675_temp & MAX6675_ERROR_MASK)) { |
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if (DISABLED(IGNORE_THERMOCOUPLE_ERRORS) && (max6675_temp & MAX6675_ERROR_MASK) && fault_31865) { |
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max6675_errors[hindex] += 1; |
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max6675_errors[hindex]++; |
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if (max6675_errors[hindex] > THERMOCOUPLE_MAX_ERRORS) { |
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if (max6675_errors[hindex] > THERMOCOUPLE_MAX_ERRORS) { |
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SERIAL_ERROR_START(); |
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SERIAL_ERROR_START(); |
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SERIAL_ECHOPGM("Temp measurement error! "); |
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SERIAL_ECHOPGM("Temp measurement error! "); |
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@ -2298,18 +2306,29 @@ void Temperature::disable_all_heaters() { |
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SERIAL_ECHOLNPGM("Short to GND"); |
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SERIAL_ECHOLNPGM("Short to GND"); |
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else if (max6675_temp & 4) |
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else if (max6675_temp & 4) |
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SERIAL_ECHOLNPGM("Short to VCC"); |
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SERIAL_ECHOLNPGM("Short to VCC"); |
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#elif HAS_MAX31865 |
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if (fault_31865) { |
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maxref.clearFault(); |
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SERIAL_ECHOPAIR("MAX31865 Fault :(", fault_31865, ") >>"); |
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if (fault_31865 & MAX31865_FAULT_HIGHTHRESH) |
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SERIAL_ECHOLNPGM("RTD High Threshold"); |
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else if (fault_31865 & MAX31865_FAULT_LOWTHRESH) |
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SERIAL_ECHOLNPGM("RTD Low Threshold"); |
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else if (fault_31865 & MAX31865_FAULT_REFINLOW) |
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SERIAL_ECHOLNPGM("REFIN- > 0.85 x Bias"); |
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else if (fault_31865 & MAX31865_FAULT_REFINHIGH) |
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SERIAL_ECHOLNPGM("REFIN- < 0.85 x Bias - FORCE- open"); |
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else if (fault_31865 & MAX31865_FAULT_RTDINLOW) |
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SERIAL_ECHOLNPGM("REFIN- < 0.85 x Bias - FORCE- open"); |
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else if (fault_31865 & MAX31865_FAULT_OVUV) |
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SERIAL_ECHOLNPGM("Under/Over voltage"); |
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} |
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#else |
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#else |
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SERIAL_ECHOLNPGM("MAX6675"); |
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SERIAL_ECHOLNPGM("MAX6675"); |
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#endif |
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#endif |
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// Thermocouple open
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// Thermocouple open
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max6675_temp = 4 * ( |
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max6675_temp = 4 * MAX6675_SEL(HEATER_0_MAX6675_TMAX, HEATER_1_MAX6675_TMAX); |
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#if COUNT_6675 > 1 |
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hindex ? HEATER_1_MAX6675_TMAX : HEATER_0_MAX6675_TMAX |
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#else |
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TERN(HEATER_1_USES_MAX6675, HEATER_1_MAX6675_TMAX, HEATER_0_MAX6675_TMAX) |
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#endif |
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); |
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} |
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} |
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else |
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else |
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max6675_temp >>= MAX6675_DISCARD_BITS; |
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max6675_temp >>= MAX6675_DISCARD_BITS; |
|
@ -2319,13 +2338,11 @@ void Temperature::disable_all_heaters() { |
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max6675_errors[hindex] = 0; |
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max6675_errors[hindex] = 0; |
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} |
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} |
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#if ENABLED(MAX6675_IS_MAX31855) |
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#if MAX6675_0_IS_MAX31855 || MAX6675_1_IS_MAX31855 |
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if (max6675_temp & 0x00002000) max6675_temp |= 0xFFFFC000; // Support negative temperature
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if (max6675_temp & 0x00002000) max6675_temp |= 0xFFFFC000; // Support negative temperature
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#endif |
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#endif |
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#if COUNT_6675 > 1 |
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|
MAX6675_TEMP(hindex) = max6675_temp; |
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|
max6675_temp_previous[hindex] = max6675_temp; |
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#endif |
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return int(max6675_temp); |
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return int(max6675_temp); |
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} |
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} |
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