Atmel ATSHA204A EncryptionĪnti Cloning Technology on the GoPro HEROBUS Next Stepsīrute force encryption will take the rest of all our lives to determine so the next step is to target the ATSAMD21 MCU. Fortunately, they're all the same, including the batteries and drone battery. Unfortunately, all devices require the encryption key. Garter's CCG GPIO C3 and I'm assuming that for the development program are tied to the dongle's mux's. For completeness here is the CCG2 programming spec. Check out our GitHub Repo ( CYPD2_log2hex) for this code. Using Cypress's MiniProg3 we were able to read/modify/write a device and change it to a different accessory. There is only one set of crypto keys for every accessory so any device can be switched to any other. It's possible to change the product id of an existing accessory and re-purpose it for your own needs. USB-CDC for accessing rtos or linux console. Unlocks array of USB commands and tunnels USB-MTP command interface for Karma products. Garter / Borg set's Mux state via Structured VDM 0x26728030 0x1 vs 0x26728030 0x0.SVID1 (Cypress:04B4) Alternative mode index 1 = Flash Alternative Mode.SVID0 (GoPro::0x2672) Alternative mode index 0x10 or 0x12 (parakeet).Product ID: 2 - Garter (3.5mm Pro) See table for other devices.The EZ-PD's job is to inform the GoPro HERO what accessory is on the USB-C bus. This is a super-set of the eeprom of the old GoPro HEROBus™. Cypress makes developing with these devices fairly straight forward. GND: All tied with frame passthrough Addresses It allows USB's D+/D- to pass through from the USB-C port on the audio adapter. Aud_SEL is set via i2c for the garter devices. Generic Accessory - Third Party GoPro Developer Program (i2c).Atmel Sam G22 for spherical camera solutions.Generic HEROBus™ Microcontroller for developer program.
The HEROBus™ i2c Slave or Vendor commands on MTP via USB.ATSHA204A-XHDA-T I2C version TSSOP $0.55.ATMEL ATSHA204A - Authentication Chip Cypress EZ-PD CCG2 - USB type-C Controller - Accessory.The bad news is its extremely locked down and needs a BGA part and a crypto key to make it work.
The good news is the HEROBus™ is alive and well on the GoPro HERO. FOR SECURITY RESEARCH / Interoperability with our products.
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