diff --git a/.gitea/workflows/sdcc.yml b/.gitea/workflows/sdcc.yml
new file mode 100644
index 0000000..b0c313e
--- /dev/null
+++ b/.gitea/workflows/sdcc.yml
@@ -0,0 +1,57 @@
+name: SDCC Build for CC2530
+
+on:
+  workflow_dispatch:
+  # push:
+  #   branches:
+  #     - main
+  # pull_request:
+  #   branches:
+  #     - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest  # Runs on the latest Ubuntu version available
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:  
+        github-server-url: ${{ vars.GIT_SERVER_URL }}
+
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y build-essential libgmp-dev libmpfr-dev libncurses-dev git
+
+    - name: Clone SDCC repository
+      run: |
+        git clone https://github.com/sdcc-team/sdcc.git
+        cd sdcc
+
+    - name: Build SDCC
+      run: |
+        cd sdcc
+        ./configure --target=8051 --with-arch=8051 --prefix=/usr/local
+        make
+        sudo make install
+
+    - name: Verify SDCC installation
+      run: |
+        sdcc --version  # Verifies if SDCC was installed successfully
+
+    - name: Compile using Makefile
+      run: |
+        cd $GITHUB_WORKSPACE  # Navigate to the root of your repo (where the Makefile is located)
+        make  # Run the make command to build the project using the Makefile
+
+    # - name: Upload compiled hex file
+    #   uses: actions/upload-artifact@v2
+    #   with:
+    #     name: cc2530-firmware
+    #     path: output.ihx  # Replace with the actual output file name if different (e.g., .ihx)
+
+    - name: Clean up compiled files
+      run: |
+        cd $GITHUB_WORKSPACE  # Navigate back to the project directory
+        make clean  # Run the 'make clean' command to delete the compiled files
\ No newline at end of file
diff --git a/Makefile b/Makefile
index e3ca0f8..fc251e7 100644
--- a/Makefile
+++ b/Makefile
@@ -7,27 +7,29 @@ ZSTACK_DIR = ./include
 INCLUDE_DIRS = -I$(ZSTACK_DIR)
 
 # Compiler settings
-CC = msp430-elf-gcc	# MSP430 compiler
-# CFLAGS (C Compiler flags)
-CFLAGS = $(INCLUDE_DIRS) -Wall -O2	# Enable all warnings, Optimize for size
-LDFLAGS =
-LIBS = -lZStack -lhal	# ZStack for Zigbee communication, lhal for Hardware Abstraction Layer library
+CC = sdcc	# sdcc compiler
+CFLAGS = -mmc51 $(INCLUDE_DIRS)  # add include paths to compiler flags
 
-SRCS = main.c zigbee_comm.c sensors/bme280.c sensors/wind_vane.c sensors/rain_gauge.c sensors/anemometer.c include/hal_timer.c 
+SRC=$(wildcard *.c)
 HEADERS = main.h zigbee_comm.h sensors/bme280.h sensors/wind_vane.h sensors/rain_gauge.h sensors/anemometer.h config.h include/hal_types.h include/hal_defs.h include/hal_timer.h include/ZComDef.h include/OSAL.h include/i2c.h
-OBJS = $(SRCS:.c=.o)	# create a list of object files from the source files
 
-all: main.elf
+# Object files (replace .c with .o)
+OBJS = $(SRCS:.c=.o)
 
-main.elf: $(OBJS)
-	$(CC) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
+# Output file
+OUTPUT=output.ihx
 
+# Default target: compile and generate the hex file
+all: $(OUTPUT)
+
+# Rule to build the output file
+$(OUTPUT): $(OBJS)
+	$(CC) $(CFLAGS) $(OBJS) -o $(OUTPUT)
+
+# Rule to build object files from source files
 %.o: %.c $(HEADERS)
 	$(CC) $(CFLAGS) -c $< -o $@
 
+# Clean generated files
 clean:
-	rm -f main.elf $(OBJS)
-
-# Optionally add a rule to flash your device (if applicable)
-# flash: main.elf
-#	./flash_tool main.elf  # This is just a placeholder if needed
\ No newline at end of file
+	rm -f $(OUTPUT) $(OBJS) *.asm *.lst *.sym
\ No newline at end of file
diff --git a/Makefile.old b/Makefile.old
new file mode 100644
index 0000000..e3ca0f8
--- /dev/null
+++ b/Makefile.old
@@ -0,0 +1,33 @@
+# Path to Z-Stack SDK
+ZSTACK_DIR = ./include
+
+# Include path for the Z-Stack SDK
+# INCLUDE_DIRS = -I$(ZSTACK_DIR)/Components/hal/CC2530 \
+#                -I$(ZSTACK_DIR)/Components/zigbee
+INCLUDE_DIRS = -I$(ZSTACK_DIR)
+
+# Compiler settings
+CC = msp430-elf-gcc	# MSP430 compiler
+# CFLAGS (C Compiler flags)
+CFLAGS = $(INCLUDE_DIRS) -Wall -O2	# Enable all warnings, Optimize for size
+LDFLAGS =
+LIBS = -lZStack -lhal	# ZStack for Zigbee communication, lhal for Hardware Abstraction Layer library
+
+SRCS = main.c zigbee_comm.c sensors/bme280.c sensors/wind_vane.c sensors/rain_gauge.c sensors/anemometer.c include/hal_timer.c 
+HEADERS = main.h zigbee_comm.h sensors/bme280.h sensors/wind_vane.h sensors/rain_gauge.h sensors/anemometer.h config.h include/hal_types.h include/hal_defs.h include/hal_timer.h include/ZComDef.h include/OSAL.h include/i2c.h
+OBJS = $(SRCS:.c=.o)	# create a list of object files from the source files
+
+all: main.elf
+
+main.elf: $(OBJS)
+	$(CC) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
+
+%.o: %.c $(HEADERS)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+	rm -f main.elf $(OBJS)
+
+# Optionally add a rule to flash your device (if applicable)
+# flash: main.elf
+#	./flash_tool main.elf  # This is just a placeholder if needed
\ No newline at end of file