✨ Code updates

MarlinFirmware · Nov 19, 2024 · 613ff20 · 613ff20
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diff --git a/Marlin/src/HAL/AVR/fastio/fastio_AT90USB.h b/Marlin/src/HAL/AVR/fastio/fastio_AT90USB.h
@@ -26,7 +26,7 @@
  *
  *   Logical Pin: 28 29 30 31 32 33 34 35 20 21 22 23 24 25 26 27 10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07 08 09(46*47)36 37 18 19 38 39 40 41 42 43 44 45
  *   Port:        A0 A1 A2 A3 A4 A5 A6 A7 B0 B1 B2 B3 B4 B5 B6 B7 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 E0 E1 E2 E3 E4 E5 E6 E7 F0 F1 F2 F3 F4 F5 F6 F7
- *            The logical pins 46 and 47 are not supported by Teensyduino, but are supported below as E2 and E3
+ *            Logical pins 46-47 aren't supported by Teensyduino, but are supported below as E2 and E3
  */
 
 #include "../fastio.h"

diff --git a/Marlin/src/HAL/AVR/pinsDebug.h b/Marlin/src/HAL/AVR/pinsDebug.h
@@ -22,7 +22,23 @@
 #pragma once
 
 /**
- * PWM print routines for Atmel 8 bit AVR CPUs
+ * Pins Debugging for Atmel 8 bit AVR CPUs
+ *
+ *   - NUMBER_PINS_TOTAL
+ *   - MULTI_NAME_PAD
+ *   - getPinByIndex(index)
+ *   - printPinNameByIndex(index)
+ *   - getPinIsDigitalByIndex(index)
+ *   - digitalPinToAnalogIndex(pin)
+ *   - getValidPinMode(pin)
+ *   - isValidPin(pin)
+ *   - isAnalogPin(pin)
+ *   - digitalRead_mod(pin)
+ *   - pwm_status(pin)
+ *   - printPinPWM(pin)
+ *   - printPinPort(pin)
+ *   - printPinNumber(pin)
+ *   - printPinAnalog(pin)
  */
 
 #include "../../inc/MarlinConfig.h"
@@ -39,44 +55,44 @@
   #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(p)
-  #define GET_PINMODE(pin) (*portModeRegister(pin) & digitalPinToBitMask_DEBUG(pin))
+  #define digitalPinToTimer_DEBUG(P) digitalPinToTimer(P)
+  #define digitalPinToBitMask_DEBUG(P) digitalPinToBitMask(P)
+  #define digitalPinToPort_DEBUG(P) digitalPinToPort(P)
+  #define getValidPinMode(P) (*portModeRegister(P) & digitalPinToBitMask_DEBUG(P))
 
 #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); }
+  #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 getValidPinMode(pin_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)
+  #define digitalPinToTimer_DEBUG(P) digitalPinToTimer(P)
+  #define digitalPinToBitMask_DEBUG(P) digitalPinToBitMask(P)
+  #define digitalPinToPort_DEBUG(P) digitalPinToPort(P)
+  bool getValidPinMode(pin_t pin) {return *portModeRegister(digitalPinToPort_DEBUG(pin)) & digitalPinToBitMask_DEBUG(pin); }
+  #define getPinByIndex(x) pgm_read_byte(&pin_array[x].pin)
 
 #endif
 
-#define VALID_PIN(pin) (pin >= 0 && pin < NUM_DIGITAL_PINS ? 1 : 0)
+#define isValidPin(P) (P >= 0 && P < NUMBER_PINS_TOTAL)
 #if AVR_ATmega1284_FAMILY
-  #define IS_ANALOG(P) WITHIN(P, analogInputToDigitalPin(7), analogInputToDigitalPin(0))
-  #define DIGITAL_PIN_TO_ANALOG_PIN(P) int(IS_ANALOG(P) ? (P) - analogInputToDigitalPin(7) : -1)
+  #define isAnalogPin(P) WITHIN(P, analogInputToDigitalPin(7), analogInputToDigitalPin(0))
+  #define digitalPinToAnalogIndex(P) int(isAnalogPin(P) ? (P) - analogInputToDigitalPin(7) : -1)
 #else
   #define _ANALOG1(P) WITHIN(P, analogInputToDigitalPin(0), analogInputToDigitalPin(7))
   #define _ANALOG2(P) WITHIN(P, analogInputToDigitalPin(8), analogInputToDigitalPin(15))
-  #define IS_ANALOG(P) (_ANALOG1(P) || _ANALOG2(P))
-  #define DIGITAL_PIN_TO_ANALOG_PIN(P) int(_ANALOG1(P) ? (P) - analogInputToDigitalPin(0) : _ANALOG2(P) ? (P) - analogInputToDigitalPin(8) + 8 : -1)
+  #define isAnalogPin(P) (_ANALOG1(P) || _ANALOG2(P))
+  #define digitalPinToAnalogIndex(P) int(_ANALOG1(P) ? (P) - analogInputToDigitalPin(0) : _ANALOG2(P) ? (P) - analogInputToDigitalPin(8) + 8 : -1)
 #endif
-#define GET_ARRAY_PIN(p) pgm_read_byte(&pin_array[p].pin)
+#define getPinByIndex(x) pgm_read_byte(&pin_array[x].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) {
-  PGM_P const name_mem_pointer = (PGM_P)pgm_read_ptr(&pin_array[x].name);
+void printPinNameByIndex(const uint8_t index) {
+  PGM_P const name_mem_pointer = (PGM_P)pgm_read_ptr(&pin_array[index].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)
@@ -88,7 +104,7 @@ void PRINT_ARRAY_NAME(uint8_t x) {
   }
 }
 
-#define GET_ARRAY_IS_DIGITAL(x)   pgm_read_byte(&pin_array[x].is_digital)
+#define getPinIsDigitalByIndex(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
@@ -109,7 +125,7 @@ void PRINT_ARRAY_NAME(uint8_t x) {
  * Print a pin's PWM status.
  * Return true if it's currently a PWM pin.
  */
-bool pwm_status(uint8_t pin) {
+bool pwm_status(const uint8_t pin) {
   char buffer[20];   // for the sprintf statements
 
   switch (digitalPinToTimer_DEBUG(pin)) {
@@ -276,7 +292,7 @@ void timer_prefix(uint8_t T, char L, uint8_t N) {  // T - timer    L - pwm  N -
   if (TEST(*TMSK, TOIE)) err_prob_interrupt();
 }
 
-void pwm_details(uint8_t pin) {
+void printPinPWM(const uint8_t pin) {
   switch (digitalPinToTimer_DEBUG(pin)) {
 
     #if ABTEST(0)
@@ -347,7 +363,7 @@ void pwm_details(uint8_t pin) {
   #else
     UNUSED(print_is_also_tied);
   #endif
-} // pwm_details
+} // printPinPWM
 
 #ifndef digitalRead_mod                   // Use Teensyduino's version of digitalRead - it doesn't disable the PWMs
   int digitalRead_mod(const pin_t pin) {  // same as digitalRead except the PWM stop section has been removed
@@ -356,7 +372,7 @@ void pwm_details(uint8_t pin) {
   }
 #endif
 
-void print_port(const pin_t pin) {   // print port number
+void printPinPort(const pin_t pin) {   // print port number
   #ifdef digitalPinToPort_DEBUG
     uint8_t x;
     SERIAL_ECHOPGM("  Port: ");
@@ -386,7 +402,7 @@ void print_port(const pin_t pin) {   // print port number
   #endif
 }
 
-#define PRINT_PIN(p) do{ sprintf_P(buffer, PSTR("%3d "), p); SERIAL_ECHO(buffer); }while(0)
-#define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), DIGITAL_PIN_TO_ANALOG_PIN(pin)); SERIAL_ECHO(buffer); }while(0)
+#define printPinNumber(P) do{ sprintf_P(buffer, PSTR("%3d "), P); SERIAL_ECHO(buffer); }while(0)
+#define printPinAnalog(P) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), digitalPinToAnalogIndex(P)); SERIAL_ECHO(buffer); }while(0)
 
 #undef ABTEST
diff --git a/Marlin/src/HAL/AVR/pinsDebug_Teensyduino.h b/Marlin/src/HAL/AVR/pinsDebug_Teensyduino.h
@@ -102,7 +102,7 @@ const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
 
 // digitalPinToBitMask(pin) is OK
 
-#define digitalRead_mod(p)  extDigitalRead(p)   // Teensyduino's version of digitalRead doesn't
+#define digitalRead_mod(P)  extDigitalRead(P)   // Teensyduino's version of digitalRead doesn't
                                                 // disable the PWMs so we can use it as is
 
 // portModeRegister(pin) is OK
diff --git a/Marlin/src/HAL/DUE/HAL.h b/Marlin/src/HAL/DUE/HAL.h
@@ -127,7 +127,7 @@ typedef Servo hal_servo_t;
 #define HAL_ADC_RESOLUTION  10
 
 #ifndef analogInputToDigitalPin
-  #define analogInputToDigitalPin(p) ((p < 12U) ? (p) + 54U : -1)
+  #define analogInputToDigitalPin(p) pin_t((p < 12U) ? (p) + 54U : -1)
 #endif
 
 //

diff --git a/Marlin/src/HAL/DUE/Servo.cpp b/Marlin/src/HAL/DUE/Servo.cpp
@@ -50,7 +50,7 @@
 static Flags<_Nbr_16timers> DisablePending; // ISR should disable the timer at the next timer reset
 
 // ------------------------
-/// Interrupt handler for the TC0 channel 1.
+// Interrupt handler for the TC0 channel 1.
 // ------------------------
 void Servo_Handler(const timer16_Sequence_t, Tc*, const uint8_t);
 

diff --git a/Marlin/src/HAL/DUE/pinsDebug.h b/Marlin/src/HAL/DUE/pinsDebug.h
@@ -19,13 +19,26 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
+#pragma once
 
 /**
- * Support routines for Due
- */
-
-/**
- * Translation of routines & variables used by pinsDebug.h
+ * Pins Debugging for DUE
+ *
+ *   - NUMBER_PINS_TOTAL
+ *   - MULTI_NAME_PAD
+ *   - getPinByIndex(index)
+ *   - printPinNameByIndex(index)
+ *   - getPinIsDigitalByIndex(index)
+ *   - digitalPinToAnalogIndex(pin)
+ *   - getValidPinMode(pin)
+ *   - isValidPin(pin)
+ *   - isAnalogPin(pin)
+ *   - digitalRead_mod(pin)
+ *   - pwm_status(pin)
+ *   - printPinPWM(pin)
+ *   - printPinPort(pin)
+ *   - printPinNumber(pin)
+ *   - printPinAnalog(pin)
  */
 
 #include "../shared/Marduino.h"
@@ -63,20 +76,20 @@
 
 #define NUMBER_PINS_TOTAL PINS_COUNT
 
-#define digitalRead_mod(p) extDigitalRead(p)  // AVR digitalRead disabled PWM before it read the pin
-#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 PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), DIGITAL_PIN_TO_ANALOG_PIN(pin)); 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))
-#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 digitalRead_mod(P) extDigitalRead(P)  // AVR digitalRead disabled PWM before it read the pin
+#define printPinNameByIndex(x) do{ sprintf_P(buffer, PSTR("%-" STRINGIFY(MAX_NAME_LENGTH) "s"), pin_array[x].name); SERIAL_ECHO(buffer); }while(0)
+#define printPinNumber(P) do{ sprintf_P(buffer, PSTR("%02d"), P); SERIAL_ECHO(buffer); }while(0)
+#define printPinAnalog(P) do{ sprintf_P(buffer, PSTR(" (A%2d)  "), digitalPinToAnalogIndex(P)); SERIAL_ECHO(buffer); }while(0)
+#define getPinByIndex(x) pin_array[x].pin
+#define getPinIsDigitalByIndex(x) pin_array[x].is_digital
+#define isValidPin(P) (P >= 0 && P < pin_t(NUMBER_PINS_TOTAL))
+#define digitalPinToAnalogIndex(P) int(P - analogInputToDigitalPin(0))
+#define isAnalogPin(P) WITHIN(P, pin_t(analogInputToDigitalPin(0)), pin_t(analogInputToDigitalPin(NUM_ANALOG_INPUTS - 1)))
+#define pwm_status(P) (((g_pinStatus[P] & 0xF) == PIN_STATUS_PWM) && \
+                        ((g_APinDescription[P].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
+bool getValidPinMode(const pin_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;
@@ -85,14 +98,14 @@ bool GET_PINMODE(int8_t pin) {  // 1: output, 0: input
           || pwm_status(pin));
 }
 
-void pwm_details(int32_t pin) {
+void printPinPWM(const int32_t pin) {
   if (pwm_status(pin)) {
     uint32_t chan = g_APinDescription[pin].ulPWMChannel;
     SERIAL_ECHOPGM("PWM = ", PWM_INTERFACE->PWM_CH_NUM[chan].PWM_CDTY);
   }
 }
 
-void print_port(const pin_t) {}
+void printPinPort(const pin_t) {}
 
 /**
  * DUE Board pin   |  PORT  | Label

diff --git a/Marlin/src/HAL/DUE/usb/README.md b/Marlin/src/HAL/DUE/usb/README.md
@@ -0,0 +1,29 @@
+# USB Files Source Documentation
+
+## Source
+
+We sourced the USB files in Marlin from the Atmel ASF (Advanced Software Framework). The framework provides a variety of examples which were utilized in this project.
+
+Atmel doesn't provide these files in a source repository but they can be extracted from ASF, which can be downloaded from Atmel.
+
+[Advanced Software Framework](https://www.microchip.com/en-us/tools-resources/develop/libraries/advanced-software-framework)
+
+## Modifications
+
+The files are mostly unmodified except for minor cosmetic changes but some more significant changes were needed.
+
+The changes that prompted the addition of this README file are listed below. Other changes may have been made prior to this.
+
+1. Modified `uotghs_device_due.c` to resolve race conditions that could leave interrupts asserted when freezing the peripheral clock, resulting in hangs and watchdog resets due to the ensuing interrupt storm.
+
+## Version Information
+
+We don't know the exact version of ASF used as the source. However, the copyright information in the files indicates they are from 2015.
+
+## Upgrade Considerations
+
+We looked at the ASF 3.52.0 files released in 2022 but saw no immediate benefits to justify an upgrade. It's important to note that the files in Marlin don't follow the same folder structure as the files in ASF, which complicates the process of comparing and applying updated files.
+
+When these files are updated it's important to carefully compare them to Marlin's versions so any improvements in the Marlin sources are brought forward.
+
+It would be best to make Marlin's directory structure align with ASF or at least document the source of each file to ease future updates.
diff --git a/Marlin/src/HAL/DUE/usb/sd_mmc_spi_mem.cpp b/Marlin/src/HAL/DUE/usb/sd_mmc_spi_mem.cpp
@@ -18,32 +18,32 @@ extern "C" {
 void sd_mmc_spi_mem_init() {
 }
 
+inline bool media_ready() {
+  return IS_SD_INSERTED() && !IS_SD_PRINTING() && !IS_SD_FILE_OPEN() && card.isMounted();
+}
+
+bool sd_mmc_spi_unload(bool) { return true; }
+
+bool sd_mmc_spi_wr_protect() { return false; }
+
+bool sd_mmc_spi_removal() { return !media_ready(); }
+
 Ctrl_status sd_mmc_spi_test_unit_ready() {
   #ifdef DISABLE_DUE_SD_MMC
     return CTRL_NO_PRESENT;
   #endif
-  if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
-    return CTRL_NO_PRESENT;
+  if (sd_mmc_spi_removal()) return CTRL_NO_PRESENT;
   return CTRL_GOOD;
 }
 
 // NOTE: This function is defined as returning the address of the last block
 // in the card, which is cardSize() - 1
 Ctrl_status sd_mmc_spi_read_capacity(uint32_t *nb_sector) {
-  if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
-    return CTRL_NO_PRESENT;
+  if (sd_mmc_spi_removal()) return CTRL_NO_PRESENT;
   *nb_sector = card.diskIODriver()->cardSize() - 1;
   return CTRL_GOOD;
 }
 
-bool sd_mmc_spi_unload(bool) { return true; }
-
-bool sd_mmc_spi_wr_protect() { return false; }
-
-bool sd_mmc_spi_removal() {
-  return (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted());
-}
-
 #if ACCESS_USB == true
 /**
  * \name MEM <-> USB Interface
@@ -61,8 +61,7 @@ Ctrl_status sd_mmc_spi_usb_read_10(uint32_t addr, uint16_t nb_sector) {
   #ifdef DISABLE_DUE_SD_MMC
     return CTRL_NO_PRESENT;
   #endif
-  if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
-    return CTRL_NO_PRESENT;
+  if (sd_mmc_spi_removal()) return CTRL_NO_PRESENT;
 
   #ifdef DEBUG_MMC
   {
@@ -101,8 +100,7 @@ Ctrl_status sd_mmc_spi_usb_write_10(uint32_t addr, uint16_t nb_sector) {
   #ifdef DISABLE_DUE_SD_MMC
     return CTRL_NO_PRESENT;
   #endif
-  if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
-    return CTRL_NO_PRESENT;
+  if (sd_mmc_spi_removal()) return CTRL_NO_PRESENT;
 
   #ifdef DEBUG_MMC
   {