flipperzero-firmware/ReadMe.md

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# Flipper Zero Firmware
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[![Discord](https://img.shields.io/discord/740930220399525928.svg?label=&logo=discord&logoColor=ffffff&color=7389D8&labelColor=6A7EC2)](http://flipperzero.one/discord)
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![Show me the code](https://habrastorage.org/webt/eo/m0/e4/eom0e4btudte7nrhnyic-laiog0.png)
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Welcome to [Flipper Zero](https://flipperzero.one/)'s Firmware repo!
Our goal is to create nice and clean code with good documentation, to make it a pleasure for everyone to work with.
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# Update firmware
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[Get Latest Firmware from Update Server](https://update.flipperzero.one/)
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Flipper Zero's firmware consists of three components:
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- Core2 firmware set - proprietary components by ST: FUS + radio stack.
- Core1 Bootloader - controls basic hardware initialization and loads firmware
- Core1 Firmware - HAL + OS + Drivers + Applications
All 3 of them must be flashed in order described.
## With STLink
### Core2 flashing procedures
Prerequisites:
- Linux / macOS
- Terminal
- STM32_Programmer_CLI added to $PATH
One liner: `./flash_core2_ble.sh`
### Core1 Bootloader + Firmware
Prerequisites:
- Linux / macOS
- Terminal
- [arm-gcc-none-eabi](https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm/downloads)
- openocd
One liner: `./flash_core1_main.sh`
## With USB DFU
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1. Download latest [Firmware](https://update.flipperzero.one)
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2. Reboot Flipper to Bootloader
- Press and hold `← Left` + `↩ Back` for reset
- Release `← Left` and keep holding `↩ Back` until blue LED lights up
- Release `↩ Back`
![Switch to DFU sequence](https://habrastorage.org/webt/uu/c3/g2/uuc3g2n36f2sju19rskcvjzjf6w.png)
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1. Run `dfu-util -D full.dfu -a 0`
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# Build from source
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## Prerequisites
1. Install [Docker Engine and Docker Compose](https://www.docker.com/get-started)
2. Clone the repo:
```sh
git clone https://github.com/flipperdevices/flipperzero-firmware
cd flipperzero-firmware
```
3. Prepare the container:
```sh
docker-compose up -d
```
## Compile bootloader
```sh
docker-compose exec dev make -j$(nproc) -C bootloader
```
Bootloader compilation results:
* `bootloader/.obj/f7/bootloader.elf`
* `bootloader/.obj/f7/bootloader.hex`
* `bootloader/.obj/f7/bootloader.bin`
* **`bootloader/.obj/f7/bootloader.dfu`** - should be used to flash
## Compile firmware
```sh
docker-compose exec dev make -j$(nproc) -C firmware
```
Firmware compilation results:
* `firmware/.obj/f7/firmware.elf`
* `firmware/.obj/f7/firmware.hex`
* `firmware/.obj/f7/firmware.bin`
* **`firmware/.obj/f7/firmware.dfu`** - should be used to flash
## Concatenate bootloader and firmware
You might want to do this to distribute the firmware as a single file.
That's exactly how we generate our `full` builds.
1. Concatenate HEX files:
```sh
docker-compose exec dev srec_cat \
bootloader/.obj/f7/bootloader.hex -Intel \
firmware/.obj/f7/firmware.hex -Intel \
-o firmware/.obj/f7/full.hex -Intel
```
2. Convert HEX to DFU:
```sh
docker-compose exec dev hex2dfu \
-i firmware/.obj/f7/full.hex \
-o firmware/.obj/f7/full.dfu \
-l "Flipper Zero F7"
```
Finally, you will have **`firmware/.obj/f7/full.dfu`** file that can be distributed and flashed.
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# Links
* Discord: [flipp.dev/discord](https://flipp.dev/discord)
* Website: [flipperzero.one](https://flipperzero.one)
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* Kickstarter page: [kickstarter.com](https://www.kickstarter.com/projects/flipper-devices/flipper-zero-tamagochi-for-hackers)
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* Forum: [forum.flipperzero.one](https://forum.flipperzero.one/)
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# Folders structure
- applications - application and services
* accessor - Wiegand server
* archive - Archive and file manager
* bt - BLE service and application
* cli - Console service
* debug_tools - different tools that we use on factory and for debug
* dialogs - service for showing GUI dialogs
* dolphin - dolphin service and supplientary apps
* gpio-tester - GPIO control application
* gui - GUI service
* ibutton - ibutton application, onewire keys and more
* input - input service
* irda - irda application, controls your IR devices
* irda_monitor - irda debug tool
* lfrfid - LF RFID application
* lfrfid-debug - LF RFID debug tool
* loader - application loader service
* menu - main menu service
* music-player - music player app (demo)
* nfc - NFC application, HF rfid, EMV and etc
* notification - notification service
* power - power service
* power-observer - power debug tool
* scened-app-example - c++ application example
* storage - storage service, internal + sdcard
* storage-settings - storage settings app
* subghz - subghz application, 433 fobs and etc
* tests - unit tests and etc
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- assets - assets used by applications and services
* compiled - compilation results
* icons - source icons images
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- bootloader - bootloader for flipper
* src - bootloader sources
* targets - targets' hal and implementation
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- core - core libraries: home for furi
- debug - debug helpers, plugins and tools
- docker - docker image sources (used for automated firmware build)
- documentation - documentation generation system configs and input files
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- firmware - firmware for flipper
* targets - targets' hal and implementation
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- lib - different libraries and drivers that apps and firmware uses
* ST25RFAL002 - ST253916 driver and NFC hal
* STM32CubeWB - STM32WB hal
* app-scened-template - scened template app library
* app-template - template app library
* callback-connector - callback connector library
* common-api - common api delaration library
* cyfral - cyfral library
* drivers - drivers that we wrote
* fatfs - external storage file system
* fnv1a-hash - fnv1a hash library
* irda - irda library
* littlefs - internal storage file system
* mlib - algorithms and containers
* nfc_protocols - nfc protocols library
* onewire - one wire library
* qrcode - qr code generator library
* subghz - subghz library
* toolbox - toolbox of things that we are using but don't place in core
* u8g2 - graphics library that we use to draw GUI
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- make - make helpers
- scripts - supplimentary scripts