removed now uneeded todo items.

README.md

@@ -60,8 +60,6 @@ instructions.
 
 ## TODO
 
-- [ ] Add NewLib finding/functionality
-- [ ] Add NewLib-nano finding/functionality
 - [X] Add ch32v003fun sources.
 - [X] Add example blinky default main.
 - [ ] Add useful test examples.

otto.sh

@@ -8,6 +8,7 @@ CMAKE_VERBOSE="ON"
 CROSS_COMPILE=1
 TEMPLATE_FILES=".template_files"
 MODULE_DIR="${TEMPLATE_FILES}/modules"
+CHIP="ch32v003"
 
 
 format_source_code () {
@@ -265,7 +266,7 @@ build_hex_optimized () {
 
 flash_microcontroller () {
     build_hex_optimized
-    make upload
+    wlink --chip=${CHIP} flash ./src/main.elf
 }
 
 run_c_tests () {

src/CMakeLists.txt

@@ -8,9 +8,14 @@ target_include_directories(${PROJECT_NAME} PUBLIC
     ${CMAKE_SOURCE_DIR}
 )
 
-target_link_libraries(${PROJECT_NAME}
+target_link_libraries(${PROJECT_NAME} PRIVATE 
+    gcc
 )
 
+
+# The `-ffunction-sections` and `-fdata-sections` need to be used 
+# in the compile and linker options otherwise it doesnt't
+# correctly remove the unused functions.
 target_compile_options(${PROJECT_NAME} PUBLIC
     -g
     -Os
@@ -22,14 +27,9 @@ target_compile_options(${PROJECT_NAME} PUBLIC
     -march=rv32ec
     -mabi=ilp32e
     -DCH32V003=1
-    -static-libgcc
-    -nostdlib
-    -lgcc
 )
 
 target_link_options(${PROJECT_NAME} PUBLIC
-    -g
-    -Os
     -flto
     -ffunction-sections
     -fdata-sections
@@ -37,9 +37,9 @@ target_link_options(${PROJECT_NAME} PUBLIC
     -msmall-data-limit=8
     -march=rv32ec
     -mabi=ilp32e
-    -DCH32V003=1
     -static-libgcc
     -nostdlib
+    -L${CMAKE_SOURCE_DIR}/src
     -Wl,--print-memory-usage
     -Wl,-Map=${PROJECT_NAME}.map
     -Wl,--gc-sections