USB_Host_Shield_2.0/examples/Bluetooth/BTHID/KeyboardParser.h

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#ifndef __kbdrptparser_h_
#define __kbdrptparser_h_
class KbdRptParser : public KeyboardReportParser {
protected:
virtual uint8_t HandleLockingKeys(HID *hid, uint8_t key);
virtual void OnControlKeysChanged(uint8_t before, uint8_t after);
virtual void OnKeyDown(uint8_t mod, uint8_t key);
virtual void OnKeyUp(uint8_t mod, uint8_t key);
virtual void OnKeyPressed(uint8_t key);
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private:
void PrintKey(uint8_t mod, uint8_t key);
};
uint8_t KbdRptParser::HandleLockingKeys(HID *hid, uint8_t key) {
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uint8_t old_keys = kbdLockingKeys.bLeds;
switch (key) {
case UHS_HID_BOOT_KEY_NUM_LOCK:
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Serial.println(F("Num lock"));
kbdLockingKeys.kbdLeds.bmNumLock = ~kbdLockingKeys.kbdLeds.bmNumLock;
break;
case UHS_HID_BOOT_KEY_CAPS_LOCK:
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Serial.println(F("Caps lock"));
kbdLockingKeys.kbdLeds.bmCapsLock = ~kbdLockingKeys.kbdLeds.bmCapsLock;
break;
case UHS_HID_BOOT_KEY_SCROLL_LOCK:
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Serial.println(F("Scroll lock"));
kbdLockingKeys.kbdLeds.bmScrollLock = ~kbdLockingKeys.kbdLeds.bmScrollLock;
break;
}
if (old_keys != kbdLockingKeys.bLeds && hid) {
BTHID *pBTHID = reinterpret_cast<BTHID *> (hid); // A cast the other way around is done in BTHID.cpp
pBTHID->setLeds(kbdLockingKeys.bLeds); // Update the LEDs on the keyboard
}
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return 0;
};
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void KbdRptParser::PrintKey(uint8_t m, uint8_t key) {
MODIFIERKEYS mod;
*((uint8_t*)&mod) = m;
Serial.print((mod.bmLeftCtrl == 1) ? F("C") : F(" "));
Serial.print((mod.bmLeftShift == 1) ? F("S") : F(" "));
Serial.print((mod.bmLeftAlt == 1) ? F("A") : F(" "));
Serial.print((mod.bmLeftGUI == 1) ? F("G") : F(" "));
Serial.print(F(" >"));
PrintHex<uint8_t>(key, 0x80);
Serial.print(F("< "));
Serial.print((mod.bmRightCtrl == 1) ? F("C") : F(" "));
Serial.print((mod.bmRightShift == 1) ? F("S") : F(" "));
Serial.print((mod.bmRightAlt == 1) ? F("A") : F(" "));
Serial.println((mod.bmRightGUI == 1) ? F("G") : F(" "));
};
void KbdRptParser::OnKeyDown(uint8_t mod, uint8_t key) {
Serial.print(F("DN "));
PrintKey(mod, key);
uint8_t c = OemToAscii(mod, key);
if (c)
OnKeyPressed(c);
};
void KbdRptParser::OnControlKeysChanged(uint8_t before, uint8_t after) {
MODIFIERKEYS beforeMod;
*((uint8_t*)&beforeMod) = before;
MODIFIERKEYS afterMod;
*((uint8_t*)&afterMod) = after;
if (beforeMod.bmLeftCtrl != afterMod.bmLeftCtrl)
Serial.println(F("LeftCtrl changed"));
if (beforeMod.bmLeftShift != afterMod.bmLeftShift)
Serial.println(F("LeftShift changed"));
if (beforeMod.bmLeftAlt != afterMod.bmLeftAlt)
Serial.println(F("LeftAlt changed"));
if (beforeMod.bmLeftGUI != afterMod.bmLeftGUI)
Serial.println(F("LeftGUI changed"));
if (beforeMod.bmRightCtrl != afterMod.bmRightCtrl)
Serial.println(F("RightCtrl changed"));
if (beforeMod.bmRightShift != afterMod.bmRightShift)
Serial.println(F("RightShift changed"));
if (beforeMod.bmRightAlt != afterMod.bmRightAlt)
Serial.println(F("RightAlt changed"));
if (beforeMod.bmRightGUI != afterMod.bmRightGUI)
Serial.println(F("RightGUI changed"));
};
void KbdRptParser::OnKeyUp(uint8_t mod, uint8_t key) {
Serial.print(F("UP "));
PrintKey(mod, key);
};
void KbdRptParser::OnKeyPressed(uint8_t key) {
Serial.print(F("ASCII: "));
Serial.println((char)key);
};
#endif