Add a general bit-bang SPI lower-half driver and implement the bit-bang driver...
Add a general bit-bang SPI lower-half driver and implement the bit-bang driver for the Arduino ITEAD TFT shield
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- ChangeLog 7 additions, 3 deletionsChangeLog
- configs/arduino-due/README.txt 67 additions, 52 deletionsconfigs/arduino-due/README.txt
- configs/arduino-due/nsh/setenv.sh 4 additions, 1 deletionconfigs/arduino-due/nsh/setenv.sh
- configs/arduino-due/ostest/setenv.sh 4 additions, 1 deletionconfigs/arduino-due/ostest/setenv.sh
- configs/arduino-due/src/Makefile 5 additions, 1 deletionconfigs/arduino-due/src/Makefile
- configs/arduino-due/src/arduino-due.h 35 additions, 21 deletionsconfigs/arduino-due/src/arduino-due.h
- configs/arduino-due/src/sam_mmcsd.c 266 additions, 0 deletionsconfigs/arduino-due/src/sam_mmcsd.c
- configs/arduino-due/src/sam_nsh.c 115 additions, 0 deletionsconfigs/arduino-due/src/sam_nsh.c
- configs/sam4l-xplained/src/sam_nsh.c 2 additions, 2 deletionsconfigs/sam4l-xplained/src/sam_nsh.c
- drivers/spi/Make.defs 52 additions, 0 deletionsdrivers/spi/Make.defs
- drivers/spi/spi_bitbang.c 67 additions, 21 deletionsdrivers/spi/spi_bitbang.c
- include/nuttx/spi/spi_bitbang.c 552 additions, 0 deletionsinclude/nuttx/spi/spi_bitbang.c
- include/nuttx/spi/spi_bitbang.h 13 additions, 11 deletionsinclude/nuttx/spi/spi_bitbang.h
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