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Begin work on keyboard device driver

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This commit is contained in:
PaulStoffregen 2017-02-18 06:09:28 -08:00
parent 4eaeb84a82
commit 7756f2f4b7
3 changed files with 93 additions and 0 deletions
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21
USBHost.h
View File

@ -258,6 +258,27 @@ protected:
uint8_t portstate[7];
};
class KeyboardController : public USBDriver {
public:
KeyboardController();
int available();
int read();
uint8_t getKey();
uint8_t getModifiers();
uint8_t getOemKey();
void attachPress(void (*keyPressed)());
void attachRelease(void (*keyReleased)());
protected:
virtual bool claim(Device_t *device, int type, const uint8_t *descriptors);
virtual void disconnect();
static void callback(const Transfer_t *transfer);
void new_data(const Transfer_t *transfer);
private:
void (*keyPressedFunction)();
void (*keyReleasedFunction)();
Pipe_t *datapipe;
uint8_t report[8];
};
#endif

1
k66_usbhost.ino
View File

@ -27,6 +27,7 @@ USBHost myusb;
USBHub hub1;
USBHub hub2;
USBHub hub3;
KeyboardController keyboard;
void setup()
{

71
keyboard.cpp Normal file
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@ -0,0 +1,71 @@
/* USB EHCI Host for Teensy 3.6
* Copyright 2017 Paul Stoffregen (paul@pjrc.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <Arduino.h>
#include "USBHost.h"
KeyboardController::KeyboardController()
{
// TODO: free Device_t, Pipe_t & Transfer_t we will need
driver_ready_for_device(this);
}
bool KeyboardController::claim(Device_t *dev, int type, const uint8_t *descriptors)
{
Serial.print("KeyboardController claim this=");
Serial.println((uint32_t)this, HEX);
// only claim at interface level
if (type != 1) return false;
return false;
uint32_t endpoint=1;
datapipe = new_Pipe(dev, 3, endpoint, 1, 8, 64);
queue_Data_Transfer(datapipe, report, 8, this);
return true;
}
void KeyboardController::callback(const Transfer_t *transfer)
{
Serial.println("KeyboardController Callback (static)");
if (transfer->driver) {
((KeyboardController *)(transfer->driver))->new_data(transfer);
}
}
void KeyboardController::new_data(const Transfer_t *transfer)
{
Serial.println("KeyboardController Callback (member)");
// TODO: parse the new data
queue_Data_Transfer(datapipe, report, 8, this);
}
void KeyboardController::disconnect()
{
// TODO: free resources
}