README.md

@@ -60,6 +60,8 @@ 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

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

src/CMakeLists.txt

@@ -8,14 +8,9 @@ target_include_directories(${PROJECT_NAME} PUBLIC
     ${CMAKE_SOURCE_DIR}
 )
 
-target_link_libraries(${PROJECT_NAME} PRIVATE 
-    gcc
+target_link_libraries(${PROJECT_NAME}
 )
 
-
-# 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(${PROJECT_NAME} PUBLIC
     -g
     -Os
@@ -27,9 +22,14 @@ target_compile_options(${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