removed commented out lines

.gitignore

@@ -10,3 +10,5 @@ build/cmake_install.cmake
 build/compile_commands.json
 .cache/clangd/index
 build/.cache/clangd/index
+build/mocks
+build/main.hex

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.20)
 
 # Use the fancy version substitution
-project(cmake-cpputest-template
+project(main
     VERSION 1.0
     DESCRIPTION "template for cmake + cpputest"
     LANGUAGES   C CXX
@@ -22,17 +22,16 @@ endif()
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 # Request C 17 standard features
-set(CMAKE_C_STANDARD 17)
+set(CMAKE_C_STANDARD 11)
 set(CMAKE_C_STANDARD_REQUIRED True)
-set(CMAKE_C_FLAGS "-Wall -Werror -Wpedantic")
+# set(CMAKE_C_FLAGS "-Wall -Werror -Wpedantic")
 
 # SETUP THE CXX flags for .cpp
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 set(CMAKE_CXX_FLAGS "-Wall -Werror -Wpedantic")
 
 
-
 # #######################################
 # TESTING STUFF 
 # #######################################

avr-gcc-toolchain.cmake

@@ -0,0 +1,49 @@
+# ###############################
+# AVR-GCC toolchain file 
+# ###############################
+
+# Specify the cross-compiler
+set(CMAKE_SYSTEM_NAME Generic)
+set(CMAKE_SYSTEM_VERSION 1)
+set(CMAKE_SYSTEM_PROCESSOR avr)
+
+# Specify the compiler and linker
+set(AVR_MCU atmega328p) # The old Classic
+#set(AVR_MCU attiny85) # The older ATtiny series, avr25
+#set(AVR_MCU attiny404) # this is the avrxmega3 series
+#set(AVR_MCU avr64dd28) # Newer DX series, avrxmega2
+
+# The default frequency of an 328p devboard using the external crystal.
+set(F_CPU 16000000UL)
+#set(F_CPU 8000000)
+add_compile_definitions(F_CPU=${F_CPU})
+# add_compile_definitions(MCU=atmega328p)
+add_compile_definitions(__AVR_ATmega328P__)
+
+# Set up the programmer for it
+#set(PROGRAMMER usbasp-clone)
+set(PROGRAMMER arduino)
+
+# Set the Port for the programmer
+set(PORT /dev/ttyUSB0)
+
+
+# Define the toolchain executables
+set(CMAKE_C_COMPILER avr-gcc)
+set(CMAKE_CXX_COMPILER avr-g++)
+set(CMAKE_ASM_COMPILER avr-gcc)
+set(CMAKE_LINKER avr-ld)
+set(CMAKE_OBJCOPY avr-objcopy)
+set(CMAKE_SIZE avr-size)
+
+
+# Define compile options
+set(CMAKE_C_FLAGS " -Os -mmcu=${AVR_MCU} -DF_CPU=${F_CPU}")
+set(CMAKE_CXX_FLAGS "-mmcu=${AVR_MCU} -DF_CPU=${F_CPU}")
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-mmcu=${AVR_MCU}")
+
+
+# Define the archiver and other tools
+set(CMAKE_AR avr-ar)
+set(CMAKE_RANLIB avr-ranlib)
+

otto.sh

@@ -3,7 +3,7 @@
 # Date: 2024
 # Filename: otto.sh
 
-CROSS_TC_WIN="$(pwd)/i686-w64-mingw32_toolchain.cmake"
+AVR_TC="$(pwd)/avr-gcc-toolchain.cmake"
 CMAKE_VERBOSE="ON"
 CROSS_COMPILE=1
 TEMPLATE_FILES=".template_files"
@@ -166,11 +166,37 @@ build_release() {
 
 build_main () {
     clear_cmake_cache
-    
     cmake -DCMAKE_VERBOSE_MAKEFILE=${CMAKE_VERBOSE} ../
     make main
 }
 
+build_hex () {
+    clear_cmake_cache
+    
+    CMAKE_ARGS="-DCMAKE_VERBOSE_MAKEFILE=${CMAKE_VERBOSE}"
+    CMAKE_ARGS="${CMAKE_ARGS} -DCMAKE_TOOLCHAIN_FILE=${AVR_TC}"
+
+    cmake ${CMAKE_ARGS} ../
+    make all
+    make hex 
+}
+
+build_hex_optimized () {
+    clear_cmake_cache
+    
+    CMAKE_ARGS="-DCMAKE_VERBOSE_MAKEFILE=${CMAKE_VERBOSE}"
+    CMAKE_ARGS="${CMAKE_ARGS} -DCMAKE_TOOLCHAIN_FILE=${AVR_TC}"
+    
+    cmake ${CMAKE_ARGS} ../
+    make all
+    make hex-release
+}
+
+flash_avr () {
+    build_hex_optimized
+    make upload
+}
+
 run_c_tests () {
     clear_cmake_cache
     cmake -DUNIT_TESTING=ON  -DCMAKE_VERBOSE_MAKEFILE=${CMAKE_VERBOSE} ../
@@ -180,9 +206,9 @@ run_c_tests () {
 print_menu () {
     echo "BUILD MENU:"
     echo "1. Run Tests"
-    echo "2. Build Project"
+    echo "2. Build Project(hex)"
-    echo "3. Build for release"
+    echo "3. Build for release(hex)"
-    echo "4. cross compile for XXXXXX"
+    echo "4. Flash to AVR"
     echo "5. Add new module to project"
     echo "6. Delete module from project"
     echo "7. Exit"
@@ -206,17 +232,17 @@ main() {
             2)
                 echo "You selected Option 2"
                 valid_choice=true
-                build_main 
+                build_hex 
                 ;;
             3)
                 echo "You selected Option 3"
                 valid_choice=true
-                build_release
+                build_hex_optimized 
                 ;;
             4)
                 echo "You selected Option 4"
                 valid_choice=true
-                cross_compile 
+                flash_avr 
                 ;;
             5)
                 echo "You selected Option 5"

src/CMakeLists.txt

@@ -1,3 +1,40 @@
-add_executable(main
+add_executable(${PROJECT_NAME}
     main.c    
 )
+
+# Ensure the build rules are defined
+set_target_properties(${PROJECT_NAME} PROPERTIES SUFFIX ".elf")
+
+if(NOT TARGET size)
+# Set the size utility to display the size of the final binary
+add_custom_target(size ALL
+    COMMAND ${CMAKE_SIZE} --format=avr --mcu=${AVR_MCU} ${CMAKE_PROJECT_NAME}.elf
+    DEPENDS ${CMAKE_PROJECT_NAME}.elf
+)
+endif()
+
+
+if(NOT TARGET hex)
+# Define how to convert ELF to HEX
+add_custom_target(hex ALL
+    COMMAND ${CMAKE_OBJCOPY} -O ihex -R .eeprom ${CMAKE_PROJECT_NAME}.elf ${CMAKE_PROJECT_NAME}.hex
+    DEPENDS ${CMAKE_PROJECT_NAME}.elf
+)
+endif()
+
+if(NOT TARGET bin)
+# Define how to convert ELF to BIN
+add_custom_target(bin ALL
+    COMMAND ${CMAKE_OBJCOPY} -O binary -R .eeprom ${CMAKE_PROJECT_NAME}.elf ${CMAKE_PROJECT_NAME}.bin
+    DEPENDS ${CMAKE_PROJECT_NAME}.elf
+)
+endif()
+
+
+if(NOT TARGET upload)
+# Upload command (adjust according to your programmer)
+add_custom_target(upload ALL
+    COMMAND avrdude -c ${PROGRAMMER} -P ${PORT} -p ${AVR_MCU} -U flash:w:${CMAKE_PROJECT_NAME}.hex
+    DEPENDS hex
+)
+endif()

src/main.c

@@ -1,8 +1,59 @@
 #include "stdio.h"
 
+#include <avr/io.h>
+#include <util/delay.h>
+
+
+//#############################
+//Globals
+//#############################
+
+#define LED_PORT (1<<5) 
+#define LED_PIN PB5
+#define BLINK_DELAY_MS 5000
+
+//#############################
+//Prototypes
+//#############################
+
+void led_blink(void);
+
+
+
+//#############################
+//MAIN
+//#############################
+
 int main(int argc, char **argv)
-{
+{ 
-    printf("Hello!\n");
+    led_blink();
+     
+    while(1) {
+        led_blink();
+        _delay_ms(500);
+    }
+    
     return 0;
 }
+
+
+//#############################
+//FUNCTIONS
+//#############################
+
+/*
+ * Input: None
+ * Output: None
+ * Description: Toggles the pin for the LED indicator.
+ */
+void led_blink(void) {
+    //Set the DDR for output.
+    DDRB |= LED_PORT;
+
+    PORTB ^= (1<<LED_PIN);
+    _delay_ms(500);
+    PORTB ^= (1<<LED_PIN);
+    _delay_ms(500);
     
+}
+