Infobitas
diff --git a/‎.devcontainer/Dockerfile
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diff --git a/‎.devcontainer/devcontainer.json
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diff --git a/‎Makefile
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diff --git a/‎Marlin/Version.h
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diff --git a/‎Marlin/src/HAL/AVR/fast_pwm.cpp
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diff --git a/‎Marlin/src/HAL/AVR/fastio.h
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diff --git a/‎Marlin/src/HAL/AVR/fastio/fastio_1280.h
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diff --git a/‎Marlin/src/HAL/AVR/fastio/fastio_1281.h
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diff --git a/‎Marlin/src/HAL/AVR/fastio/fastio_168.h
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diff --git a/‎Marlin/src/HAL/AVR/fastio/fastio_644.h
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@@ -0,0 +1,29 @@
+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.187.0/containers/python-3/.devcontainer/base.Dockerfile
+
+# [Choice] Python version: 3, 3.9, 3.8, 3.7, 3.6
+ARG VARIANT="3.9.0-buster"
+FROM python:${VARIANT}
+
+# [Option] Install Node.js
+ARG INSTALL_NODE="true"
+ARG NODE_VERSION="lts/*"
+RUN if [ "${INSTALL_NODE}" = "true" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
+
+# [Optional] If your pip requirements rarely change, uncomment this section to add them to the image.
+# COPY requirements.txt /tmp/pip-tmp/
+# RUN pip3 --disable-pip-version-check --no-cache-dir install -r /tmp/pip-tmp/requirements.txt \
+#    && rm -rf /tmp/pip-tmp
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
+
+# [Optional] Uncomment this line to install global node packages.
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1
+
+
+RUN pip install -U https://github.com/platformio/platformio-core/archive/develop.zip
+RUN platformio update
+# To get the test platforms
+RUN pip install PyYaml
+#ENV PATH /code/buildroot/bin/:/code/buildroot/tests/:${PATH}
@@ -0,0 +1,51 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.187.0/containers/python-3
+{
+  "name": "Python 3",
+  "build": {
+    "dockerfile": "Dockerfile",
+    "context": "..",
+    "args": {
+      // Update 'VARIANT' to pick a Python version: 3, 3.6, 3.7, 3.8, 3.9
+      "VARIANT": "3.9.0-buster",
+      // Options
+      "INSTALL_NODE": "false",
+      "NODE_VERSION": "lts/*"
+    }
+  },
+
+  // Set *default* container specific settings.json values on container create.
+  "settings": {
+    "python.pythonPath": "/usr/local/bin/python",
+    "python.languageServer": "Pylance",
+    "python.linting.enabled": true,
+    "python.linting.pylintEnabled": true,
+    "python.formatting.autopep8Path": "/usr/local/py-utils/bin/autopep8",
+    "python.formatting.blackPath": "/usr/local/py-utils/bin/black",
+    "python.formatting.yapfPath": "/usr/local/py-utils/bin/yapf",
+    "python.linting.banditPath": "/usr/local/py-utils/bin/bandit",
+    "python.linting.flake8Path": "/usr/local/py-utils/bin/flake8",
+    "python.linting.mypyPath": "/usr/local/py-utils/bin/mypy",
+    "python.linting.pycodestylePath": "/usr/local/py-utils/bin/pycodestyle",
+    "python.linting.pydocstylePath": "/usr/local/py-utils/bin/pydocstyle",
+    "python.linting.pylintPath": "/usr/local/py-utils/bin/pylint"
+  },
+
+  // Add the IDs of extensions you want installed when the container is created.
+  "extensions": [
+    "ms-python.python",
+    "ms-python.vscode-pylance",
+    "platformio.platformio-ide",
+    "marlinfirmware.auto-build",
+    "editorconfig.editorconfig"
+  ],
+
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  // "forwardPorts": [],
+
+  // Use 'postCreateCommand' to run commands after the container is created.
+  // "postCreateCommand": "pip3 install --user -r requirements.txt",
+
+  // Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+  // "remoteUser": "vscode"
+}
@@ -1,11 +1,16 @@
+SCRIPTS_DIR := buildroot/share/scripts
+CONTAINER_RT_BIN := docker
+CONTAINER_RT_OPTS := --rm -v $(PWD):/code -v platformio-cache:/root/.platformio
+CONTAINER_IMAGE := marlin-dev
+
 help:
 	@echo "Tasks for local development:"
 	@echo "* tests-single-ci:             Run a single test from inside the CI"
 	@echo "* tests-single-local:          Run a single test locally"
-	@echo "* tests-single-local-docker:   Run a single test locally, using docker-compose"
+	@echo "* tests-single-local-docker:   Run a single test locally, using docker"
 	@echo "* tests-all-local:             Run all tests locally"
-	@echo "* tests-all-local-docker:      Run all tests locally, using docker-compose"
-	@echo "* setup-local-docker:          Setup local docker-compose"
+	@echo "* tests-all-local-docker:      Run all tests locally, using docker"
+	@echo "* setup-local-docker:          Build the local docker image"
 	@echo ""
 	@echo "Options for testing:"
 	@echo "  TEST_TARGET          Set when running tests-single-*, to select the"
@@ -34,19 +39,21 @@ tests-single-local:
 
 tests-single-local-docker:
 	@if ! test -n "$(TEST_TARGET)" ; then echo "***ERROR*** Set TEST_TARGET=<your-module> or use make tests-all-local-docker" ; return 1; fi
-	docker-compose run --rm marlin $(MAKE) tests-single-local TEST_TARGET=$(TEST_TARGET) VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) GIT_RESET_HARD=$(GIT_RESET_HARD) ONLY_TEST="$(ONLY_TEST)"
+	@if ! $(CONTAINER_RT_BIN) images -q $(CONTAINER_IMAGE) > /dev/null ; then $(MAKE) setup-local-docker ; fi
+	$(CONTAINER_RT_BIN) run $(CONTAINER_RT_OPTS) $(CONTAINER_IMAGE) $(MAKE) tests-single-local TEST_TARGET=$(TEST_TARGET) VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) GIT_RESET_HARD=$(GIT_RESET_HARD) ONLY_TEST="$(ONLY_TEST)"
 .PHONY: tests-single-local-docker
 
 tests-all-local:
 	export PATH="./buildroot/bin/:./buildroot/tests/:${PATH}" \
 	  && export VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) \
-	  && for TEST_TARGET in $$(./get_test_targets.py) ; do echo "Running tests for $$TEST_TARGET" ; run_tests . $$TEST_TARGET ; done
+	  && for TEST_TARGET in $$($(SCRIPTS_DIR)/get_test_targets.py) ; do echo "Running tests for $$TEST_TARGET" ; run_tests . $$TEST_TARGET ; done
 .PHONY: tests-all-local
 
 tests-all-local-docker:
-	docker-compose run --rm marlin $(MAKE) tests-all-local VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) GIT_RESET_HARD=$(GIT_RESET_HARD)
+	@if ! $(CONTAINER_RT_BIN) images -q $(CONTAINER_IMAGE) > /dev/null ; then $(MAKE) setup-local-docker ; fi
+	$(CONTAINER_RT_BIN) run $(CONTAINER_RT_OPTS) $(CONTAINER_IMAGE) $(MAKE) tests-all-local VERBOSE_PLATFORMIO=$(VERBOSE_PLATFORMIO) GIT_RESET_HARD=$(GIT_RESET_HARD)
 .PHONY: tests-all-local-docker
 
 setup-local-docker:
-	docker-compose build
+	$(CONTAINER_RT_BIN) build -t $(CONTAINER_IMAGE) -f docker/Dockerfile .
 .PHONY: setup-local-docker
@@ -28,7 +28,7 @@
 /**
  * Marlin release version identifier
  */
-//#define SHORT_BUILD_VERSION "2.1.2"
+//#define SHORT_BUILD_VERSION "2.1.2.1"
 
 /**
  * Verbose version identifier which should contain a reference to the location
@@ -41,7 +41,7 @@
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
-//#define STRING_DISTRIBUTION_DATE "2022-12-17"
+//#define STRING_DISTRIBUTION_DATE "2023-05-16"
 
 /**
  * Defines a generic printer name to be output to the LCD after booting Marlin.
 
@@ -23,6 +23,10 @@
 
 #include "../../inc/MarlinConfig.h"
 
+//#define DEBUG_AVR_FAST_PWM
+#define DEBUG_OUT ENABLED(DEBUG_AVR_FAST_PWM)
+#include "../../core/debug_out.h"
+
 struct Timer {
   volatile uint8_t* TCCRnQ[3];  // max 3 TCCR registers per timer
   volatile uint16_t* OCRnQ[3];  // max 3 OCR registers per timer
@@ -108,36 +112,45 @@ const Timer get_pwm_timer(const pin_t pin) {
 }
 
 void MarlinHAL::set_pwm_frequency(const pin_t pin, const uint16_t f_desired) {
+  DEBUG_ECHOLNPGM("set_pwm_frequency(pin=", pin, ", freq=", f_desired, ")");
   const Timer timer = get_pwm_timer(pin);
   if (timer.isProtected || !timer.isPWM) return; // Don't proceed if protected timer or not recognized
 
   const bool is_timer2 = timer.n == 2;
   const uint16_t maxtop = is_timer2 ? 0xFF : 0xFFFF;
 
+  DEBUG_ECHOLNPGM("maxtop=", maxtop);
+
   uint16_t res = 0xFF;        // resolution (TOP value)
   uint8_t j = CS_NONE;        // prescaler index
   uint8_t wgm = WGM_PWM_PC_8; // waveform generation mode
 
   // Calculating the prescaler and resolution to use to achieve closest frequency
   if (f_desired != 0) {
     constexpr uint16_t prescaler[] = { 1, 8, (32), 64, (128), 256, 1024 };  // (*) are Timer 2 only
-    uint16_t f = (F_CPU) / (2 * 1024 * maxtop) + 1;           // Start with the lowest non-zero frequency achievable (1 or 31)
+    uint16_t f = (F_CPU) / (uint32_t(maxtop) << 11) + 1;      // Start with the lowest non-zero frequency achievable (for 16MHz, 1 or 31)
 
+    DEBUG_ECHOLNPGM("f=", f);
+    DEBUG_ECHOLNPGM("(prescaler loop)");
     LOOP_L_N(i, COUNT(prescaler)) {                           // Loop through all prescaler values
-      const uint16_t p = prescaler[i];
+      const uint32_t p = prescaler[i];                        // Extend to 32 bits for calculations
+      DEBUG_ECHOLNPGM("prescaler[", i, "]=", p);
       uint16_t res_fast_temp, res_pc_temp;
       if (is_timer2) {
         #if ENABLED(USE_OCR2A_AS_TOP)                         // No resolution calculation for TIMER2 unless enabled USE_OCR2A_AS_TOP
           const uint16_t rft = (F_CPU) / (p * f_desired);
           res_fast_temp = rft - 1;
           res_pc_temp = rft / 2;
+          DEBUG_ECHOLNPGM("(Timer2) res_fast_temp=", res_fast_temp, " res_pc_temp=", res_pc_temp);
         #else
           res_fast_temp = res_pc_temp = maxtop;
+          DEBUG_ECHOLNPGM("(Timer2) res_fast_temp=", maxtop, " res_pc_temp=", maxtop);
         #endif
       }
       else {
         if (p == 32 || p == 128) continue;                    // Skip TIMER2 specific prescalers when not TIMER2
         const uint16_t rft = (F_CPU) / (p * f_desired);
+        DEBUG_ECHOLNPGM("(Not Timer 2) F_CPU=" STRINGIFY(F_CPU), " prescaler=", p, " f_desired=", f_desired);
         res_fast_temp = rft - 1;
         res_pc_temp = rft / 2;
       }
@@ -147,23 +160,27 @@ void MarlinHAL::set_pwm_frequency(const pin_t pin, const uint16_t f_desired) {
 
       // Calculate frequencies of test prescaler and resolution values
       const uint16_t f_fast_temp = (F_CPU) / (p * (1 + res_fast_temp)),
-                     f_pc_temp   = (F_CPU) / (2 * p * res_pc_temp);
-      const int      f_diff      = _MAX(f, f_desired) - _MIN(f, f_desired),
+                     f_pc_temp   = (F_CPU) / ((p * res_pc_temp) << 1),
+                     f_diff      = _MAX(f, f_desired) - _MIN(f, f_desired),
                      f_fast_diff = _MAX(f_fast_temp, f_desired) - _MIN(f_fast_temp, f_desired),
                      f_pc_diff   = _MAX(f_pc_temp, f_desired) - _MIN(f_pc_temp, f_desired);
 
+      DEBUG_ECHOLNPGM("f_fast_temp=", f_fast_temp, " f_pc_temp=", f_pc_temp, " f_diff=", f_diff, " f_fast_diff=", f_fast_diff, " f_pc_diff=", f_pc_diff);
+
       if (f_fast_diff < f_diff && f_fast_diff <= f_pc_diff) { // FAST values are closest to desired f
         // Set the Wave Generation Mode to FAST PWM
         wgm = is_timer2 ? uint8_t(TERN(USE_OCR2A_AS_TOP, WGM2_FAST_PWM_OCR2A, WGM2_FAST_PWM)) : uint8_t(WGM_FAST_PWM_ICRn);
         // Remember this combination
         f = f_fast_temp; res = res_fast_temp; j = i + 1;
+        DEBUG_ECHOLNPGM("(FAST) updated f=", f);
       }
       else if (f_pc_diff < f_diff) {                          // PHASE CORRECT values are closes to desired f
         // Set the Wave Generation Mode to PWM PHASE CORRECT
         wgm = is_timer2 ? uint8_t(TERN(USE_OCR2A_AS_TOP, WGM2_PWM_PC_OCR2A, WGM2_PWM_PC)) : uint8_t(WGM_PWM_PC_ICRn);
         f = f_pc_temp; res = res_pc_temp; j = i + 1;
+        DEBUG_ECHOLNPGM("(PHASE) updated f=", f);
       }
-    }
+    } // prescaler loop
   }
 
   _SET_WGMnQ(timer, wgm);
 
@@ -293,11 +293,11 @@ enum ClockSource2 : uint8_t {
 
 #if HAS_MOTOR_CURRENT_PWM
   #if PIN_EXISTS(MOTOR_CURRENT_PWM_XY)
-    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E || P == MOTOR_CURRENT_PWM_E0  || P == MOTOR_CURRENT_PWM_E1 || P == MOTOR_CURRENT_PWM_Z || P == MOTOR_CURRENT_PWM_XY)
+    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E_PIN || P == MOTOR_CURRENT_PWM_E0_PIN  || P == MOTOR_CURRENT_PWM_E1_PIN || P == MOTOR_CURRENT_PWM_Z_PIN || P == MOTOR_CURRENT_PWM_XY_PIN)
   #elif PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
-    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E || P == MOTOR_CURRENT_PWM_E0  || P == MOTOR_CURRENT_PWM_E1 || P == MOTOR_CURRENT_PWM_Z)
+    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E_PIN || P == MOTOR_CURRENT_PWM_E0_PIN  || P == MOTOR_CURRENT_PWM_E1_PIN || P == MOTOR_CURRENT_PWM_Z_PIN)
   #else
-    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E || P == MOTOR_CURRENT_PWM_E0  || P == MOTOR_CURRENT_PWM_E1)
+    #define PWM_CHK_MOTOR_CURRENT(P) (P == MOTOR_CURRENT_PWM_E_PIN || P == MOTOR_CURRENT_PWM_E0_PIN  || P == MOTOR_CURRENT_PWM_E1_PIN)
   #endif
 #else
   #define PWM_CHK_MOTOR_CURRENT(P) false
 
@@ -27,6 +27,9 @@
  *   Hardware Pin  : 02 03 06 07 01 05 15 16 17 18 23 24 25 26 64 63 13 12 46 45 44 43 78 77 76 75 74 73 72 71 60 59 58 57 56 55 54 53 50 70 52 51 42 41 40 39 38 37 36 35 22 21 20 19 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 | 04 08 09 10 11 14 27 28 29 30 31 32 33 34 47 48 49 61 62 65 66 67 68 69 79 80 81 98 99 100
  *   Port          : E0 E1 E4 E5 G5 E3 H3 H4 H5 H6 B4 B5 B6 B7 J1 J0 H1 H0 D3 D2 D1 D0 A0 A1 A2 A3 A4 A5 A6 A7 C7 C6 C5 C4 C3 C2 C1 C0 D7 G2 G1 G0 L7 L6 L5 L4 L3 L2 L1 L0 B3 B2 B1 B0 F0 F1 F2 F3 F4 F5 F6 F7 K0 K1 K2 K3 K4 K5 K6 K7 | E2 E6 E7 xx xx H2 H7 G3 G4 xx xx xx xx xx D4 D5 D6 xx xx J2 J3 J4 J5 J6 J7 xx xx xx xx xx
  *   Logical Pin   : 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | 78 79 80 xx xx 84 85 71 70 xx xx xx xx xx 81 82 83 xx xx 72 73 75 76 77 74 xx xx xx xx xx
+ *
+ * Arduino Pin Layout video: https://youtu.be/rIqeVCX09FA
+ * AVR alternate pin function overview video: https://youtu.be/1yd8wuI5Plg
  */
 
 #include "../fastio.h"
 
@@ -26,6 +26,9 @@
  *
  *   Logical Pin: 38 39 40 41 42 43 44 45 16 10 11 12 06 07 08 09 30 31 32 33 34 35 36 37 17 18 19 20 21 22 23 24 00 01 13 05 02 03 14 15 46 47 48 49 50 51 52 53 25 26 27 28 29 04
  *   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 G0 G1 G2 G3 G4 G5
+ *
+ * Arduino Pin Layout video: https://youtu.be/rIqeVCX09FA
+ * AVR alternate pin function overview video: https://youtu.be/1yd8wuI5Plg
  */
 
 #include "../fastio.h"
 
@@ -26,6 +26,9 @@
  *
  *   Logical Pin: 08 09 10 11 12 13 14 15 16 17 18 19 20 21 00 01 02 03 04 05 06 07
  *   Port:        B0 B1 B2 B3 B4 B5 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7
+ *
+ * Arduino Pin Layout video: https://youtu.be/rIqeVCX09FA
+ * AVR alternate pin function overview video: https://youtu.be/1yd8wuI5Plg
  */
 
 #include "../fastio.h"
 
@@ -26,6 +26,9 @@
  *
  *   Logical Pin: 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
  *   Port:        B0 B1 B2 B3 B4 B5 B6 B7 D0 D1 D2 D3 D4 D5 D6 D7 C0 C1 C2 C3 C4 C5 C6 C7 A7 A6 A5 A4 A3 A2 A1 A0
+ *
+ * Arduino Pin Layout video: https://youtu.be/rIqeVCX09FA
+ * AVR alternate pin function overview video: https://youtu.be/1yd8wuI5Plg
  */
 
 /**                        ATMega644
Original file line number	Diff line number	Diff line change
`@@ -26,6 +26,9 @@`
`26`	`26`	`*`
`27`	`27`	`* Logical Pin: 38 39 40 41 42 43 44 45 16 10 11 12 06 07 08 09 30 31 32 33 34 35 36 37 17 18 19 20 21 22 23 24 00 01 13 05 02 03 14 15 46 47 48 49 50 51 52 53 25 26 27 28 29 04`
`28`	`28`	`* 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 G0 G1 G2 G3 G4 G5`
	`29`	`+ *`
	`30`	`+ * Arduino Pin Layout video: https://youtu.be/rIqeVCX09FA`
	`31`	`+ * AVR alternate pin function overview video: https://youtu.be/1yd8wuI5Plg`
`29`	`32`	`*/`
`30`	`33`
`31`	`34`	`#include "../fastio.h"`