arduinoでusb host その４

概要

arduino unoにusb hostつないで、usbバーコードリーダーつないでみた。
リーダーは、NEC製PK-UP004Eです。

写真

ログ

サンプルコード

# include <hidboot.h>
# include <usbhub.h>
# ifdef dobogusinclude
# include <spi4teensy3.h>
# include <SPI.h>
# endif

class KbdRptParser : public KeyboardReportParser
{
	void PrintKey(uint8_t mod, uint8_t key);
	protected:
	void OnControlKeysChanged(uint8_t before, uint8_t after);
	void OnKeyDown(uint8_t mod, uint8_t key);
	void OnKeyUp(uint8_t mod, uint8_t key);
	void OnKeyPressed(uint8_t key);
};
void KbdRptParser::PrintKey(uint8_t m, uint8_t key)
{
	MODIFIERKEYS mod;
	* ((uint8_t *) &mod) = m;
	Serial.print((mod.bmLeftCtrl == 1) ? "C" : " ");
	Serial.print((mod.bmLeftShift == 1) ? "S" : " ");
	Serial.print((mod.bmLeftAlt == 1) ? "A" : " ");
	Serial.print((mod.bmLeftGUI == 1) ? "G" : " ");
	Serial.print(" >");
	PrintHex<uint8_t>(key, 0x80);
	Serial.print("< ");
	Serial.print((mod.bmRightCtrl == 1) ? "C" : " ");
	Serial.print((mod.bmRightShift == 1) ? "S" : " ");
	Serial.print((mod.bmRightAlt == 1) ? "A" : " ");
	Serial.println((mod.bmRightGUI == 1) ? "G" : " ");
};
void KbdRptParser::OnKeyDown(uint8_t mod, uint8_t key)
{
	Serial.print("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("LeftCtrl changed");
	}
	if (beforeMod.bmLeftShift != afterMod.bmLeftShift)
	{
		Serial.println("LeftShift changed");
	}
	if (beforeMod.bmLeftAlt != afterMod.bmLeftAlt)
	{
		Serial.println("LeftAlt changed");
	}
	if (beforeMod.bmLeftGUI != afterMod.bmLeftGUI)
	{
		Serial.println("LeftGUI changed");
	}
	if (beforeMod.bmRightCtrl != afterMod.bmRightCtrl)
	{
		Serial.println("RightCtrl changed");
	}
	if (beforeMod.bmRightShift != afterMod.bmRightShift)
	{
		Serial.println("RightShift changed");
	}
	if (beforeMod.bmRightAlt != afterMod.bmRightAlt)
	{
		Serial.println("RightAlt changed");
	}
	if (beforeMod.bmRightGUI != afterMod.bmRightGUI)
	{
		Serial.println("RightGUI changed");
	}
}
void KbdRptParser::OnKeyUp(uint8_t mod, uint8_t key)
{
	Serial.print("UP ");
	PrintKey(mod, key);
}
void KbdRptParser::OnKeyPressed(uint8_t key)
{
	Serial.print("ASCII: ");
	Serial.println((char) key);
	if (key == 49) digitalWrite(2, HIGH);
	if (key == 48) digitalWrite(2, LOW);
};
USB Usb;
HIDBoot<USB_HID_PROTOCOL_KEYBOARD> HidKeyboard(&Usb);
KbdRptParser Prs;
void setup()
{
	pinMode(2, OUTPUT);
	Serial.begin(115200);
	Serial.println("Start");
	if (Usb.Init() == -1) Serial.println("OSC did not start.");
	HidKeyboard.SetReportParser(0, &Prs);
}
void loop()
{
	Usb.Task();
}