LilyGo T-Impulse Wristband, Dragino LGT92 tracker and AI RHF76-052 support

.devcontainer/Dockerfile

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+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.245.0/containers/ubuntu/.devcontainer/base.Dockerfile
+
+# [Choice] Ubuntu version (use ubuntu-22.04 or ubuntu-18.04 on local arm64/Apple Silicon): ubuntu-22.04, ubuntu-20.04, ubuntu-18.04
+ARG VARIANT="jammy"
+FROM mcr.microsoft.com/vscode/devcontainers/base:0-${VARIANT}
+
+# [Optional] Uncomment this section to install additional OS packages.
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+     && apt-get -y install --no-install-recommends build-essential ccache
+
+
+# Download and install ARM toolchain
+ARG TOOLCHAIN="7-2017q4-major"
+RUN echo "Installing ARM GCC ${TOOLCHAIN}"
+ENV ARM_TOOLCHAIN_VERSION=${TOOLCHAIN}
+RUN curl -Lo gcc-arm-none-eabi-${ARM_TOOLCHAIN_VERSION}.tar.bz2 \
+	"https://developer.arm.com/-/media/Files/downloads/gnu-rm/7-2017q4/gcc-arm-none-eabi-7-2017-q4-major-linux.tar.bz2"
+RUN mkdir /opt/gcc-arm-none-eabi-${ARM_TOOLCHAIN_VERSION} && \
+	tar xf gcc-arm-none-eabi-${ARM_TOOLCHAIN_VERSION}.tar.bz2 --strip-components=1 -C /opt/gcc-arm-none-eabi-${ARM_TOOLCHAIN_VERSION}
+ENV PATH="${PATH}:/opt/gcc-arm-none-eabi-${ARM_TOOLCHAIN_VERSION}/bin"

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.245.0/containers/ubuntu
+{
+	"name": "Arduino ARM",
+	"build": {
+		"dockerfile": "Dockerfile",
+		// Update 'VARIANT' to pick an Ubuntu version: jammy / ubuntu-22.04, focal / ubuntu-20.04, bionic /ubuntu-18.04
+		// Use ubuntu-22.04 or ubuntu-18.04 on local arm64/Apple Silicon.
+		"args": { 
+			"VARIANT": "ubuntu-20.04",
+			"TOOLCHAIN": "7-2017q4-major"
+		}
+	},
+
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"ms-vscode.cpptools", 
+				"ms-vscode.cpptools-themes", 
+				"jeff-hykin.better-cpp-syntax",
+				"Gruntfuggly.activitusbar"
+			]
+		}
+	},
+
+	// 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": "uname -a",
+
+	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode",
+	"features": {
+		"git": "os-provided"
+	}
+}

.gitattributes

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+* text=auto eol=lf
+
+*.{cmd,[cC][mM][dD]} text eol=crlf
+*.{bat,[bB][aA][tT]} text eol=crlf