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diff --git a/nuttx/configs/olimex-efm32g880f128-stk/README.txt b/nuttx/configs/olimex-efm32g880f128-stk/README.txt new file mode 100644 index 000000000..887daa38e --- /dev/null +++ b/nuttx/configs/olimex-efm32g880f128-stk/README.txt @@ -0,0 +1,150 @@ +README +====== + + This README file discusses the port of NuttX to the Olimex EFM32G880F128-STK + development board. This board features: + + • EFM32G880F128 + - 32 bit Cortex-M3™ + - 128KiB Program Flash, 16KiB Bytes RAM + - 85 GPIO, 8 Channel DMA + - 12 bit ADC 1Msps + - 3xUART/SPI, 2x low power UART + - I2C + - 3x 16bit TIMERS + - 3x2 CC-PWM + - SSC + - RTC + - WDT + - Up to 32MHz operation + • 32.768 kHz crystal + • 32 MHz crystal + • LCD custom display + • DEBUG connector with ARM 2x10 pin layout for programming/debugging + with ARM-JTAG-EW + • UEXT connector + • EXT extension connector + • RS232 connector and driver + • Power jack + • Lithium coin battery holder + • RESET circuit , RESET button + • Four user buttons + • Buzzer + • On-board voltage regulator 3.3V with up to 800mA current + • Power supply filtering capacitor + • Extension headers for some of the uC ports + RST and power supply + +LEDs +==== + + The EFM32G880F128-STK has no user controllable LEDs. + +Serial Console +============== + + Pin Availability + ---------------- + The EFM32G890F128 support the following options for serial output. NOTE + (1) that not all of these pins are available for use as a serial console, + however. And (2) not all pins made available by the board. + + EFM32 PIN GPIO NOTES/CONFLICTS/AVAILABILITY + ------- -- ---- ---------------------------------------------- + US0_RX #0 PE11 SEG7 (LCD) + US0_RX #1 PE6 COM2 (LCD) + US0_RX #2 PC10 **AVAILABLE at EXT-12** + + US0_TX #0 PE10 SEG6 (LCD) + US0_TX #1 PE7 COM3 (LCD) + US0_TX #2 PC11 **AVAILABLE at EXT-13** + ------- -- ---- + US1_RX #0 PC1 **AVAILABLE at EXT-5** + US1_RX #1 PD1 MISO1, Available at UEXT-7 + + US1_TX #0 PC0 **AVAILABLE at EXT-4** + US1_TX #1 PD0 MOSI1, Available at UEXT-8 + ------- -- ---- + US2_RX #0 PC3 **AVAILABLE at EXT-7** + US2_RX #1 PB4 SEG21 (LCD) + + US2_TX #0 PC2 **AVAILABLE at EXT-6** + US2_TX #1 PB3 SEG20 (LCD) + ------- -- ---- + U0_RX #0 PF7 SEG25 (LCD) + U0_RX #1 PE1 **AVAILABLE at EXT-19** + U0_RX #2 PA4 SEG18 (LCD) + U0_RX #3 PC15 DBG_SWV + + U0_TX #0 PF6 SEG24 (LCD) + U0_TX #1 PE0 **AVAILABLE at EXT-18** + U0_TX #2 PA3 SEG17 (LCD) + U0_TX #3 PC14 **AVAILABLE at EXT-16** + ------- -- ---- + LEU0_RX #0 PD5 LEU0_RX, Available at UEXT-4 + LEU0_RX #1 PB14 HFXTAL_N + LEU0_RX #2 PE15 SEG11 (LCD) + + LEU0_TX #0 PD4 LEU0_TX, Available at UEXT-3 + LEU0_TX #1 PB13 HFXTAL_P + LEU0_TX #2 PE14 SEG10 (LCD) + ------- -- ---- + LEU1_RX #0 PC7 LEU1_RX to DB-9 connector + LEU1_RX #1 PA6 SEG19 (LCD) + + LEU1_TX #0 PC6 LEU1_TX to DB-9 connector + LEU1_TX #1 PA5 SEG18 (LCD) + ------- -- ---- + + RS-232 Driver/DB-9 Connector + ---------------------------- + LEUART1 is available on through an RS232 driver on DB-9 connector. + Unfortunately, there is no LEUART serial driver available in NuttX as of + this writing. + + Default Serial Console + ---------------------- + UART0 is configured as the default serial console at 115200 8N1 + on pins PE0 and PE1. + +Configurations +============== + Each EFM32G880F128-STK configuration is maintained in a sub-director + and can be selected as follow: + + cd tools + ./configure.sh olimex-efm32g880f128-stk/<subdir> + cd - + . ./setenv.sh + + If this is a Windows native build, then configure.bat should be used + instead of configure.sh: + + configure.bat olimex-efm32g880f128-stk\<subdir> + + Where <subdir> is one of the following: + + nsh: + --- + Configures the NuttShell (nsh) located at apps/examples/nsh. The + Configuration enables the serial interfaces on UART0. Support for + builtin applications is enabled, but in the base configuration no + builtin applications are selected (see NOTES below). + + NOTES: + + 1. This configuration uses the mconf-based configuration tool. To + change this configuration using that tool, you should: + + a. Build and install the kconfig-mconf tool. See nuttx/README.txt + and misc/tools/ + + b. Execute 'make menuconfig' in nuttx/ in order to start the + reconfiguration process. + + 2. By default, this configuration uses the CodeSourcery toolchain + for Windows and builds under Cygwin (or probably MSYS). That + can easily be reconfigured, of course. + + CONFIG_HOST_WINDOWS=y : Builds under Windows + CONFIG_WINDOWS_CYGWIN=y : Using Cygwin + CONFIG_ARMV7M_TOOLCHAIN_CODESOURCERYW=y : CodeSourcery for Windows |