test: docker script to build firmwares for testing

firmwares/Dockerfile

@@ -0,0 +1,39 @@
+ARG IMAGE=ubuntu:22.04
+FROM ${IMAGE} AS builder
+
+# Install dependencies
+RUN apt-get update && \
+    export DEBIAN_FRONTEND=noninteractive && \
+    apt-get install -y \
+    build-essential \
+    gcc-arm-none-eabi \
+    cmake \
+    git \
+    python3 \
+    python3-pip \
+    ninja-build && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* && \
+    update-alternatives --install /usr/bin/python python /usr/bin/python3 1
+
+SHELL [ "/bin/bash", "-o", "pipefail", "-c" ]
+
+WORKDIR /firmware
+COPY . /firmware
+
+RUN git clone --depth=1  --recursive https://github.com/IRNAS/pulseox-firmware.git && \
+    cd pulseox-firmware && \
+    patch -s -p1 < ../pulseox-firmware-patch.diff && \
+    cmake -S . -B build -DCMAKE_TOOLCHAIN_FILE=cmake/toolchains/arm-none-eabi.cmake && \
+    cmake --build build -j$(nproc)
+
+WORKDIR /firmware
+
+RUN git clone --depth=1 --recursive https://github.com/CodethinkLabs/bloodlight-firmware.git && \
+    cd bloodlight-firmware && \
+    make -C firmware/libopencm3 && \
+    make -C firmware -j$(nproc)
+
+FROM ${IMAGE}
+COPY --from=builder /firmware/pulseox-firmware/build/src/firmware.elf /output/pulseox-firmware.elf
+COPY --from=builder /firmware/bloodlight-firmware/firmware/bloodlight-firmware.elf /output/bloodlight-firmware.elf

firmwares/build.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -e
+
+script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+docker build -t firmware-builder ${script_dir}
+docker create --name firmware-builder firmware-builder
+docker cp firmware-builder:/output/pulseox-firmware.elf pulseox-firmware.elf
+docker cp firmware-builder:/output/bloodlight-firmware.elf bloodlight-firmware.elf
+docker rm firmware-builder

firmwares/pulseox-firmware-patch.diff

@@ -0,0 +1,26 @@
+diff --git a/ld/stm32f030f4p6.ld b/ld/stm32f030f4p6.ld
+index 554697c..d4d1378 100644
+--- a/ld/stm32f030f4p6.ld
++++ b/ld/stm32f030f4p6.ld
+@@ -1,6 +1,6 @@
+ MEMORY
+ {
+-  rom (rx) : ORIGIN = 0x08000000, LENGTH = 16K
++  rom (rx) : ORIGIN = 0x08000000, LENGTH = 32K
+   ram (xrw) : ORIGIN = 0x20000000, LENGTH = 4K
+ }
+
+Submodule libopencm3 contains modified content
+diff --git a/libopencm3/Makefile b/libopencm3/Makefile
+index ea51f6d9..2cc5b536 100644
+--- a/libopencm3/Makefile
++++ b/libopencm3/Makefile
+@@ -25,7 +25,7 @@ STYLECHECKFLAGS := --no-tree -f --terse --mailback
+
+ space:=
+ space+=
+-SRCLIBDIR:= $(subst $(space),\$(space),$(realpath lib))
++SRCLIBDIR:= $(subst $(space),$(space),$(realpath lib))
+
+ TARGETS := stm32/f0 stm32/f1 stm32/f2 stm32/f3 stm32/f4 stm32/f7
+ TARGETS += stm32/l0 stm32/l1 stm32/l4