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So call 'make EXTRAFLAGS=-Wno-cpp' could suppress the warnings with pre-processor directive #warning in GCC. Change-Id: Iaa618238924c9969bf91db22117b39e6d2fc9bb6 Signed-off-by: liuhaitao <liuhaitao@xiaomi.com> |
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README.txt |
Teensy LC README ================ This is the README file for NuttX on the PJRC Teensy LC. The Teensy LC is a DIP style breakout board for the MKL25Z64 and comes with a USB based bootloader. Contributed by Michael Hope. Development Environment ======================= All testing was done with the GNU ARM Embedded 4.9 toolchain on Linux. See https://developer.arm.com/open-source/gnu-toolchain/gnu-rm to download. Once you've configured and built NuttX, flash the resulting nuttx.hex file to the board using the Teensy Loader Application. LEDs ==== The Teensy LC has a single LED. If CONFIG_ARCH_LEDS is defined, then NuttX will update the LED as the board boots. The summary is: * LED off: board booting * LED on: initial stack created * LED flashing: panic. See `include/board.h` for details. Serial Console ============== The serial console is mapped to UART0 and appears on pins 0 (RX) and 1 (TX). Consider using a 3.3 V USB to serial adapter such as the Sparkfun #9717 FTDI cable.