; PlatformIO Project Configuration File https://docs.platformio.org/page/projectconf.html [platformio] default_envs = STM32F103C8 [env] framework = arduino lib_deps = greiman/SdFat @ ^2.0.6 upload_protocol = stlink ; Different gcc versions produce much different binaries in terms of speed. platform_packages = platformio/toolchain-gccarmnoneeabi@1.90301.200702 build_flags = -w -DARDUINO_GENERIC_STM32F103C -DARDUINO_LIB_DISCOVERY_PHASE -DARDUINO=10813 -DARDUINO_ARCH_STM32 -DDEBUG_LEVEL=DEBUG_NONE -O2 -D BUILD_TAGS="\"\"" build_unflags = -Os -DARDUINO_ARCH_STM32F1 upload_flags = -c set CPUTAPID 0 [env:STM32F1] platform = ststm32 board = genericSTM32F103C8 board_build.mcu = stm32f103c8t6 board_build.core = maple [env:STM32F1-XCVR] extends = env:STM32F1 build_flags = ${env.build_flags} -DXCVR -D BUILD_TAGS="\"-XCVR\"" [env:STM32F1-USB] extends = env:STM32F1 build_flags = ${env.build_flags} -D BUILD_TAGS="\"-USB\"" -D PIO_FRAMEWORK_ARDUINO_ENABLE_CDC -D USBCON -D USBD_VID=0x0483 -D USB_MANUFACTURER="Unknown" -D USB_PRODUCT="\"BLUEPILL_F103C8\"" -D HAL_PCD_MODULE_ENABLED [env:STM32F1-USB-128MHZ] extends = env:STM32F1 board_build.f_cpu = 128000000L build_flags = ${env.build_flags} -D BUILD_TAGS="\"-USB-128MHZ\"" [env:APM32F1] # The APM32F1's default clock is 96MHz and runs unstable at 72MHz(STM32F1's default) extends = env:STM32F1 # Explicilty define the multiplier as maple only handles a few cases. build_flags = ${env.build_flags} -D BUILD_TAGS="\"-APM32\"" -DBOARD_RCC_PLLMUL=RCC_PLLMUL_12 #96000000L [env:APM32F1-USB] # The APM32F1's default clock is 96MHz and runs unstable at 72MHz(STM32F1's default) extends = env:APM32F1 # Explicilty define the multiplier as maple only handles a few cases. build_flags = ${env.build_flags} -D BUILD_TAGS="\"-APM32-USB\"" -D PIO_FRAMEWORK_ARDUINO_ENABLE_CDC -D USBCON -D USBD_VID=0x0483 -D USB_MANUFACTURER="Unknown" -D USB_PRODUCT="\"BLUEPILL_F103C8\"" -D HAL_PCD_MODULE_ENABLED -DBOARD_RCC_PLLMUL=RCC_PLLMUL_12 #96000000L # Or go all out at 128Mhz, your call :) #board_build.f_cpu = 128000000L ; [env:debug] ; build_type = debug ; debug_tool = stlink