2022-10-24 21:27:32 +02:00
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README.txt
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==========
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This README file discusses the port of NuttX to the Flipper Zero multi-tool
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device. See https://flipperzero.one/ for device details.
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Contents
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========
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- Device features
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- Status
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- Programming
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- Serial Console
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- Configurations
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Device features
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===============
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- Multi-protocol wireless STM32WB55RGV6 MCU with 1MiB of Flash and 256KiB of SRAM.
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- USB Type-C connector for communication and charging
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- LiPo battery with charger BQ25896 and fuel gauge BQ27220
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- 5-button joystick and a Back button
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- ST7565 128x64 LCD
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- RGB LED with LP5562 I2C driver
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- Buzzer
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- Vibration motor
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- Micro SD slot connected over SPI
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- CC1101 RF transceiver
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- ST25R3916 high-performance NFC Universal Device and EMVCo reader
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- 125 kHz RFID analog circuit
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- IR led
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- TSOP75538 IR receiver
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- iButton connector
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- GPIO connector with power out and SWD pins
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Status
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======
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2022-10-30 21:33:30 +01:00
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Oct 2022: initial nsh configuration. LCD seems working.
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2022-10-24 21:27:32 +02:00
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Programming
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===========
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The device can be normally flashing and debugging over SWD interface or flashing via
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USB interface when the device is in DFU mode using STMicro's STM32CubeProgrammer. The
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DFU mode will be activated after pressing two round button for 30s. Original firmware
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can be flashed back and stay working until the secure flash area is not changed.
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Serial Console
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==============
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The MCU's USART1 PB6/PB7 pins are available as external GPIO pins 13/14.
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Configurations
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==============
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nsh:
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Configures the NuttShell (nsh) located at examples/nsh. This
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configuration is focused on low level, command-line driver testing.
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2022-10-30 21:33:30 +01:00
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nsh> nxhello
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