Processing genericSTM32F103C8 (platform: ststm32; board: genericSTM32F103C8; framework: arduino)
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Verbose mode can be enabled via `-v, --verbose` option
CONFIGURATION: https://docs.platformio.org/page/boards/ststm32/genericSTM32F103C8.html
PLATFORM: ST STM32 > STM32F103C8 (20k RAM. 64k Flash)
HARDWARE: STM32F103C8T6 72MHz 20KB RAM (64KB Flash)
DEBUG: CURRENT(blackmagic) EXTERNAL(blackmagic, jlink, stlink)
Library Dependency Finder -> http://bit.ly/configure-pio-ldf
LDF MODES: FINDER(chain) COMPATIBILITY(soft)
Collected 10 compatible libraries
Scanning dependencies...
Dependency Graph
|-- <Wire> 1.0
Compiling .pioenvs\genericSTM32F103C8\src\main.cpp.o
Linking .pioenvs\genericSTM32F103C8\firmware.elf
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .bss by 4 bytes
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .bss by 4 bytes
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .bss by 4 bytes
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .bss by 4 bytes
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: warning: changing start of section .bss by 4 bytes
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: .pioenvs\genericSTM32F103C8\src\SIM7100.cpp.o: in function `SIM7100::printDataPOST(String, String, String, String, float, float, String, String, String)':
SIM7100.cpp:(.text._ZN7SIM710013printDataPOSTE6StringS0_S0_S0_ffS0_S0_S0_+0xf4): undefined reference to `Serial3'
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: .pioenvs\genericSTM32F103C8\src\SIM7100.cpp.o: in function `SIM7100::apnSet(String)':
SIM7100.cpp:(.text._ZN7SIM71006apnSetE6String+0x74): undefined reference to `Serial3'
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: .pioenvs\genericSTM32F103C8\src\SIM7100.cpp.o: in function `SIM7100::lecinfinit()':
SIM7100.cpp:(.text._ZN7SIM710010lecinfinitEv+0x30): undefined reference to `Serial3'
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: .pioenvs\genericSTM32F103C8\src\main.cpp.o: in function `setup':
main.cpp:(.text.setup+0x188): undefined reference to `Serial3'
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: .pioenvs\genericSTM32F103C8\src\main.cpp.o: in function `recordAccelRegisters()':
main.cpp:(.text._Z20recordAccelRegistersv+0x2e4): undefined reference to `Serial3'
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: .pioenvs\genericSTM32F103C8\src\main.cpp.o:main.cpp:(.text.loop+0x104): more undefined references to `Serial3' follow
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: .pioenvs\genericSTM32F103C8\libFrameworkArduino.a(syscalls.c.o): in function `_sbrk':
syscalls.c:(.text._sbrk+0x38): undefined reference to `_Min_Stack_Size'
c:/users/willy/.platformio/packages/toolchain-gccarmnoneeabi/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld.exe: .pioenvs\genericSTM32F103C8\libFrameworkArduino.a(syscalls.c.o):(.data.heap_end.7830+0x0): undefined reference to `_end'
collect2.exe: error: ld returned 1 exit status
*** [.pioenvs\genericSTM32F103C8\firmware.elf] Error 1
========================================================== [ERROR] Took 3.70 seconds ==========================================================