Reset/Hold keyboard Sony OA-S3400 has no locking signals

Reset/Hold keyboard NOTE: Does nothing with the HP150

Reset/Hold keyboard NOTE: Does nothing with the FACOM6684

Main Detection Loop

Main Detection Loop

Main Detection Loop

Main Detection Loop Not needed for the Micro Switch 8304, this is just a busy loop

Main Detection Loop Not needed for the Sony NEWS, this is just a busy loop

Main Detection Loop Not needed for the BETKB, this is just a busy loop

Main Detection Loop

Main Detection Loop Nothing is needed here for the Kaypro, but the function is available as part of the api to be called in a polling fashion TODO - A

Main Detection Loop Nothing is required here with the Epson QX-10 Keyboards as the interrupts take care of the inputs

Main Detection Loop

Main Detection Loop This is where the important stuff happens

Main Detection Loop

Main Detection Loop The Univac-Sperry F3W9 has a convenient feature, an internal 8 key buffer This buffer is only emptied (i.e. sent over the bus) whe

Main Detection Loop

Main Detection Loop Not needed for the Sony OA-S3400 as signals are interrupt based, thus this is a busy loop XXX Function is used for scanning troubl

Main Detection Loop

Main Detection Loop Since this function is non-interruptable, we can do checks here on what stage of the output clock we are at (0 or 1) We are lookin

Main Detection Loop

Main Periodic Scan This function is called periodically at a constant rate Useful for matrix scanning and anything that requires consistent attention

Main Periodic Scan This function is called periodically at a constant rate Useful for matrix scanning and anything that requires consistent attention

Main Periodic Scan This function is called periodically at a constant rate Useful for matrix scanning and anything that requires consistent attention

Main Periodic Scan This function is called periodically at a constant rate Useful for matrix scanning and anything that requires consistent attention

Main Periodic Scan This function is called periodically at a constant rate Useful for matrix scanning and anything that requires consistent attention

Main Periodic Scan This function is called periodically at a constant rate Useful for matrix scanning and anything that requires consistent attention

Main Periodic Scan This function is called periodically at a constant rate Useful for matrix scanning and anything that requires consistent attention

Main Periodic Scan This function is called periodically at a constant rate Useful for matrix scanning and anything that requires consistent attention

Main Periodic Scan This function is called periodically at a constant rate Useful for matrix scanning and anything that requires consistent attention

Main Periodic Scan This function is called periodically at a constant rate Useful for matrix scanning and anything that requires consistent attention

Main Poll Loop This is for operations that need to be run as often as possible Usually reserved for LED update routines and other things that need qui

Main Poll Loop This is for operations that need to be run as often as possible Usually reserved for LED update routines and other things that need qui

Main Poll Loop This is for operations that need to be run as often as possible Usually reserved for LED update routines and other things that need qui

Main Poll Loop This is for operations that need to be run as often as possible Usually reserved for LED update routines and other things that need qui

Main Poll Loop This is for operations that need to be run as often as possible Usually reserved for LED update routines and other things that need qui

Main Poll Loop This is for operations that need to be run as often as possible Usually reserved for LED update routines and other things that need qui

Main Poll Loop This is for operations that need to be run as often as possible Usually reserved for LED update routines and other things that need qui

Main Poll Loop This is for operations that need to be run as often as possible Usually reserved for LED update routines and other things that need qui

Main Poll Loop This is for operations that need to be run as often as possible Usually reserved for LED update routines and other things that need qui

Main Poll Loop This is for operations that need to be run as often as possible Usually reserved for LED update routines and other things that need qui

Read LED Status High priority data output (may overwrite some keycode data)

Read Switch Status (preferential to actual keypress outputs) 000 - N/A? 001 - N/A? 010 - Right SHIFT 011 - Left SHIFT 100 - N/A? 101 - Left CTRL 110 -

Signals a ScanCode removal from the internal KLL buffer Returns 1 if added, 0 if the ScanCode is already in the buffer Returns 2 if there's an error G

TODO Check Repeat Control 0x00 Stops repeat function 0x01 Enables repeat function

Reset Keyboard

Reset Keyboard

Reset Keyboard

Reset Keyboard Does the following - Clears the keycode buffer (32 characters) - Validates repeat function (what does this do?) - Sets repeat start tim

Reset Keyboard - Holds the input read line high to flush the buffer - This does not actually reset the keyboard, but always seems brings it to a sane

Reset Keyboard

Reset Keyboard

Reset Keyboard

Reset Keyboard

Send data NOTE: Example only, MBC-55X cannot receive user data

Send data Keyboard Input Guide for Micro Switch 8304 0xBX is for LED F1,F2,Over Type,Lock 0xAX is for LED F3,F8,F9,F10 0x92 resets keyboard (LED off,

Send data to keyboard

Send data XXX Not used with the Tandy1000

Send data

Send data See below functions for the input sequences for the Epson QX-10 Keyboard

Send data NOTE: Does nothing with the Univac-Sperry F3W9

Send data to keyboard Sony OA-S3400 has no serial/parallel dataport to send data too... Using this function for LED enable/disable

Send data

Send data

Turn On/Off LED 0x00 LED Off 0x01 LED On 8 LEDs max (Note: 5 connected on my board, there is 1 position empty on the PCB for a total of 6) 0 to 7 (0x

Set Repeat Interval 30 ms + n * 5 ms Period between sending each repeated key after the initial interval

TODO Check Set Repeat Interval Start 300 ms + n * 25 ms Interval after which to start the repeated keys

Adds a trigger code to the queue Returns 1 if added, 0 if the ScanCode is already in the buffer Returns 2 if there's an error Generally 1 will be the

Setup

Setup

Setup

Setup

Setup

Setup

Setup

Setup

Setup

Setup

Setup

Setup

Setup

Initial setup for cap sense controller

Setup

Setup This setup is very simple, as there is no extra hardware used in this scan module, other than GPIOs. To be nice, we wait a little bit after powe

Setup

Setup

Setup

Setup

Setup

Setup

Setup

Setup

Setup

NOTE: Does nothing with the MBC-55x

NOTE: Does nothing with the BETKB

NOTE: Does nothing with the BETKB