feat: copy process from hm-pktfwd

Deleted unnecessary files and copied in modified
versions where needed. Did not copy
test_loragw_gps.c or test_loragw_gps_i2c.c
because loragw_gps.c is not being used.

hm-pktfwd: https://github.com/NebraLtd/hm-pktfwd/blob/76897fd64383f849b21dabbb0f26558535a95f40/buildfiles/compileSX1302.sh#L5
loragw_gps discussion: NebraLtd/hm-pktfwd#23 (comment)

.github/workflows/compile-docker.yml

@@ -0,0 +1,52 @@
+name: Compile Docker Images
+
+on: [push]
+
+jobs:
+  main:
+    runs-on: ubuntu-20.04
+    permissions:
+      packages: write
+      contents: read
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: |
+            nebraltd/sx1302_hal
+            ghcr.io/${{ github.repository }}
+          flavor: |
+            latest=true
+          tags: |
+            type=sha,prefix=
+            type=sha,format=long,prefix=
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          labels: ${{ steps.meta.outputs.labels }}
+          tags: ${{ steps.meta.outputs.tags }}
+
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

Dockerfile

@@ -0,0 +1,10 @@
+FROM balenalib/raspberry-pi-debian:buster-build as sx1301-builder
+
+ENV ROOT_DIR=/opt
+
+WORKDIR "$ROOT_DIR"
+
+# Copy upstream source into expected location
+COPY . "$ROOT_DIR"
+
+RUN . "$ROOT_DIR/compile.sh"

compile.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+
+make clean
+make -j 4

libloragw/Makefile

@@ -123,11 +123,9 @@ libloragw.a: $(OBJDIR)/loragw_spi.o \
 			 $(OBJDIR)/loragw_debug.o \
 			 $(OBJDIR)/loragw_hal.o \
 			 $(OBJDIR)/loragw_lbt.o \
-			 $(OBJDIR)/loragw_stts751.o \
 			 $(OBJDIR)/loragw_gps.o \
 			 $(OBJDIR)/loragw_sx1302_timestamp.o \
-			 $(OBJDIR)/loragw_sx1302_rx.o \
-			 $(OBJDIR)/loragw_ad5338r.o
+			 $(OBJDIR)/loragw_sx1302_rx.o
 	$(AR) rcs $@ $^
 
 ### test programs