From 43c3eb90cc73ee3094590ab5b315d3611fcf848a Mon Sep 17 00:00:00 2001
From: Akshay Nair <phenax5@gmail.com>
Date: Mon, 2 Feb 2026 11:56:49 +0530
Subject: Add simple stubb for testing

---
 compile_flags.txt         |  1 -
 justfile                  |  9 +++++++--
 test/stubbed/avr/io.h     | 24 ++++++++++++++++++++++++
 test/stubbed/util/delay.h |  5 +++++
 4 files changed, 36 insertions(+), 3 deletions(-)
 create mode 100644 test/stubbed/avr/io.h
 create mode 100644 test/stubbed/util/delay.h

diff --git a/compile_flags.txt b/compile_flags.txt
index 7e86e45..8720d77 100644
--- a/compile_flags.txt
+++ b/compile_flags.txt
@@ -11,4 +11,3 @@
 -fpack-struct
 -fshort-enums
 -Wall
--Wstrict-prototypes
diff --git a/justfile b/justfile
index 4978f92..a7f3d12 100644
--- a/justfile
+++ b/justfile
@@ -16,7 +16,7 @@ SERIAL_PORT := "/dev/ttyUSB0"
 
 CFLAGS := f"-g -Os -std=gnu99 -Isrc -mmcu={{MCU}} -DF_CPU={{F_CPU}}L \
 -I{{AVR_LIBC}}/avr/include -L{{AVR_LIBC}}/avr/lib \
--funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall -Wstrict-prototypes"
+-funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall"
 
 AVRDUDE := f"avrdude -v -p {{MCU_PART}} -c {{PROGRAMMER}} -P {{SERIAL_PORT}} -b {{UPLOAD_SPEED}}"
 
@@ -24,6 +24,7 @@ build: compile_flags
   mkdir -p {{OUTDIR}}
   avr-gcc {{CFLAGS}} {{SRC}} -o {{OUTDIR}}/out.elf
   avr-objcopy -O ihex -R .eeprom {{OUTDIR}}/out.elf {{OUTDIR}}/out.hex
+  du -bh "{{OUTDIR}}/out.hex"
 
 write:
   [ -f "{{OUTDIR}}/out.hex" ] || (echo "No out.hex. Run build"; exit 1);
@@ -32,11 +33,15 @@ write:
 read:
   {{AVRDUDE}} -F -U flash:r:-:h
 
+test:
+  gcc -g -std=gnu99 -Isrc -DF_CPU={{F_CPU}}L -DSTUBBED=1 -I./test/stubbed/ -Wall {{SRC}} -o {{OUTDIR}}/test
+  {{OUTDIR}}/test
+
 clean:
   rm -rf {{OUTDIR}}
 
 format:
   find src/ -iname '*.h' -o -iname '*.c' | xargs clang-format -i
 
-compile_flags:
+@compile_flags:
   echo '{{CFLAGS}}' | tr ' ' '\n' > ./compile_flags.txt
diff --git a/test/stubbed/avr/io.h b/test/stubbed/avr/io.h
new file mode 100644
index 0000000..cd4a7bc
--- /dev/null
+++ b/test/stubbed/avr/io.h
@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+int DDRA = 0;
+int DDRB = 0;
+
+int PORTA = 0;
+int PORTB = 0;
+
+int PA1 = 1;
+int PA2 = 2;
+int PA3 = 3;
+int PA4 = 4;
+int PA5 = 5;
+int PA6 = 6;
+int PA7 = 7;
+
+int PB1 = 1;
+int PB2 = 2;
+int PB3 = 3;
+int PB4 = 4;
+int PB5 = 5;
+int PB6 = 6;
+int PB7 = 7;
+
diff --git a/test/stubbed/util/delay.h b/test/stubbed/util/delay.h
new file mode 100644
index 0000000..ce4323e
--- /dev/null
+++ b/test/stubbed/util/delay.h
@@ -0,0 +1,5 @@
+#include <unistd.h>
+
+void _delay_ms(int ms) {
+  usleep(ms * 1000);
+}
-- 
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