platformio.ini

; PlatformIO Project Configuration File https://docs.platformio.org/page/projectconf.html

[platformio]
default_envs = STM32F1

[env]
framework = arduino
lib_deps =
    greiman/SdFat @ 2.2.0
upload_protocol = stlink
; Different gcc versions produce much different binaries in terms of speed.
platform_packages = platformio/toolchain-gccarmnoneeabi@1.90301.200702
build_flags = 
    -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-128MHz]
# Max overclock for STM32
# Can use for APM32F1 as well.
extends = env:STM32F1-USB
board_build.f_cpu = 128000000L
build_flags = ${env.build_flags}
    -D BUILD_TAGS="\"-USB-128MHz\""

[env:STM32F1-USB-96MHz]
# Slight overclock for STM32
# Use for APM32F1's - it's default clock is 96MHz and runs unstable at 72MHz(STM32F1's default)
extends = env:STM32F1-USB
# Explicilty define the multiplier as maple only handles a few cases.
build_flags = ${env.build_flags}
    -D BUILD_TAGS="\"-USB-96MHz\""
    -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

# TODO: Find out why USB build flags get trampled when extending an extended env.
[env:STM32F1-USB]
platform = ststm32
board = genericSTM32F103C8
board_build.mcu = stm32f103c8t6
board_build.core = maple
framework = arduino
lib_deps =
    greiman/SdFat @ 2.2.0
upload_protocol = dfu
; Different gcc versions produce much different binaries in terms of speed.
platform_packages = platformio/toolchain-gccarmnoneeabi@1.90301.200702
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
    -DARDUINO_GENERIC_STM32F103C
    -DARDUINO_LIB_DISCOVERY_PHASE
    -DARDUINO=10813
    -DARDUINO_ARCH_STM32
    -DDEBUG_LEVEL=DEBUG_NONE
    -O2
build_unflags =
    -Os
    -DARDUINO_ARCH_STM32F1
upload_flags = -c set CPUTAPID 0

; [env:debug]
; build_type = debug
; debug_tool = stlink