Greaseweazle Firmware 1.6

Release Notes:

• Flux write: Whole-track writes to hard-sectored disks
• Pre- and post-write delays: Specified by many drive datasheets
  • Required for correct interaction with offset tunnel-erase heads
• Configurable "Index Mask", for debouncing noisy INDEX signals
• Seek (HDD): Remove arbitrary 100-cylinder limit

Greaseweazle Firmware 1.5

Release Notes:

• AT32F403(A): Extend SRAM from 96kB to 224kB
• Report USB buffer size in 'gw info'
• GCC12 build fixes
• USB High Speed: Fix device_qualifier descriptor

Greaseweazle Firmware 1.4

Release Notes:

• New board type: V4.1 (AT32F4xx, USB-C)

Greaseweazle Firmware 1.3

Release Notes:

• AT32F403A: Run this MCU at 216MHz in main firmware
• USB: Implement GET_STATUS(DEVICE) as required by USB spec
  • This fixes repeated USB resets on some Linux hosts
• Blinky test: Fix serial baud rate (115200)

Greaseweazle Firmware 1.2

Release Notes:

• Support AT32F403A MCU on F1 and V4 boards
• Send MCU info to host (reported by gw info)

Greaseweazle Firmware v1.1

Release Notes:

• V4: External Activity LED can be connected to pin TXO
  • TXO-RXI jumper still forces update mode
  • TXO still used for serial logging in debug firmware builds
• GetPin: Report on all pins also supported by SetPin
• ReadFlux: Don't report missing index if read is not index-terminated
• GetInfo: New sub-pages CurrentDrive and Drive_n
  • Report motor, cylinder#, and flippy drive status

Greaseweazle Firmware v1.0

Release Notes:

• Firmware is now released separately from the host tools
• No firmware changes since v0.31 (apart from the version bump)