Part III. Writing Drivers

Table of Contents

Device methods for drivers

Internal FpDevice — Internal device routines

Internal FpImageDevice — Internal image device functions

Internal FpSdcpDevice — Internal SDCP device routines

USB, SPI and State Machine helpers

SPI transfer helpers — Helpers to ease SPI transfers

USB transfer helpers — Helpers for libgusb to ease transfer handling

Sequential state machine — State machine helpers

Logging — Logging functions

Binary buffer I/O

FpiByteReader — Reads different integer, string and floating point types from a memory buffer

FpiByteWriter — Writes different integer, string and floating point types to a memory buffer and allows reading

Image manipulation

Internal FpImage — Internal image handling routines

Image frame assembly — Image frame assembly helpers

Print handling

Internal FpPrint — Internal fingerprint handling routines

Listing drivers

fpi-context