diff options
Diffstat (limited to 'nuttx/configs/arduino-due/README.txt')
| -rw-r--r-- | nuttx/configs/arduino-due/README.txt | 80 |
1 files changed, 68 insertions, 12 deletions
diff --git a/nuttx/configs/arduino-due/README.txt b/nuttx/configs/arduino-due/README.txt index 457686da3..24a266956 100644 --- a/nuttx/configs/arduino-due/README.txt +++ b/nuttx/configs/arduino-due/README.txt @@ -890,9 +890,24 @@ Configuration sub-directories This configuration directory will built the NuttShell. See NOTES above. NOTES: - 1. If the ITEAD TFT shield is connected to the Arduino Due, then - support for the SD card slot can be enabled by making the following - changes to the configuration: + 1. NSH built-in applications are supported. However, there are + no built-in applications built with the default configuration. + + Binary Formats: + CONFIG_BUILTIN=y : Enable support for built-in programs + + Applicaton Configuration: + CONFIG_NSH_BUILTIN_APPS=y : Enable starting apps from NSH command line + + 2. By default, this configuration uses UART0 and has support LEDs + enabled. UART0 output is available on the USB debugging port or + on pins 0-1 of the PWML connector. + + This configuration can be modified to use peripherals on the ITEAD + TFT shield as described below. However, in that case the UART0 and + LED "L" GPIO pins conflict with the pin usage by the ITEAD TFT + Shield. In this case you need to switch to USART0 and disable LEDs + by modifying the configuration as follows: Board Selection -> Peripheral CONFIG_SAM34_UART0=n : Disable UART0. Can't use with this shield @@ -915,7 +930,15 @@ Configuration sub-directories CONFIG_ARCH_LEDS=n : Can't support LEDs with this shield installed CONFIG_ARDUINO_ITHEAD_TFT=y : Enable support for the Shield - NOTE: You cannot use UART0 or LEDs with this ITEAD module. + 3. If the ITEAD TFT shield is connected to the Arduino Due, then + support for the SD card slot can be enabled by making the following + changes to the configuration: + + NOTE: You cannot use UART0 or LEDs with this ITEAD module. You must + switch to USART0 and disable LED support as described above. + + Board Selection -> Board-Specific Options: + CONFIG_ARDUINO_ITHEAD_TFT=y : Enable support for the Shield File Systems: CONFIG_DISABLE_MOUNTPOINT=n : Mountpoint support is needed @@ -928,9 +951,6 @@ Configuration sub-directories file name technologies. See the top level COPYING file for further details. - System Type -> Peripherals: - CONFIG_SAM34_SPI0=y : Enable the SAM4L SPI peripheral - Device Drivers CONFIG_SPI=y : Enable SPI support CONFIG_SPI_EXCHANGE=y : The exchange() method is supported @@ -950,10 +970,46 @@ Configuration sub-directories CONFIG_NSH_MMCSDSLOTNO=0 : Only one MMC/SD slot, slot 0 CONFIG_NSH_MMCSDSPIPORTNO=0 : (does not really matter in this case) - Board Selection -> SAM4L Xplained Pro Modules - CONFIG_SAM4L_XPLAINED_IOMODULE=y : I/O1 module is connected - CONFIG_SAM4L_XPLAINED_IOMODULE_EXT1=y : In EXT1, or EXT2 - CONFIG_SAM4L_XPLAINED_IOMODULE_EXT2=y - Application Configuration -> NSH Library CONFIG_NSH_ARCHINIT=y : Board has architecture-specific initialization + + 3. This configuration has been used for verifying the touchscreen on + on the ITEAD TFT Shield. With the modifications below, you can + include the touchscreen test program at apps/examples/touchscreen as + an NSH built-in application. You can enable the touchscreen and test + by modifying the default configuration in the following ways: + + NOTE: You cannot use UART0 or LEDs with this ITEAD module. You must + switch to USART0 and disable LED support as described above. + + Board Selection -> Board-Specific Options: + CONFIG_ARDUINO_ITHEAD_TFT=y : Enable support for the Shield + + Device Drivers + CONFIG_SPI=y : Enable SPI support + CONFIG_SPI_EXCHANGE=y : The exchange() method is supported + CONFIG_SPI_OWNBUS=y : Smaller code if this is the only SPI device + CONFIG_SPI_BITBANG=y : Enable SPI bit-bang support + + CONFIG_INPUT=y : Enable support for input devices + + System Type: + CONFIG_GPIO_IRQ=y : GPIO interrupt support + CONFIG_GPIOACIRQ=y : Enable GPIO interrupts from port C + + RTOS Features: + CONFIG_DISABLE_SIGNALS=n : Signals are required + + Library Support: + CONFIG_SCHED_WORKQUEUE=y : Work queue support required + + Applicaton Configuration: + CONFIG_EXAMPLES_TOUCHSCREEN=y : Enable the touchscreen built-int test + + Defaults should be okay for related touchscreen settings. Touchscreen + debug output on USART0 can be enabled with: + + Build Setup: + CONFIG_DEBUG=y : Enable debug features + CONFIG_DEBUG_VERBOSE=y : Enable verbose debug output + CONFIG_DEBUG_INPUT=y : Enable debug output from input devices |