USBHost library to new format

2025-06-20 21:01:25 +03:00 · 2013-07-04 14:10:26 +02:00
parent 10a4241ba7
commit 0608c9f83f
24 changed files with 10 additions and 0 deletions
--- a/libraries/USBHost/src/hidboot.cpp
+++ b/libraries/USBHost/src/hidboot.cpp
@ -0,0 +1,192 @@
+/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
+
+This software may be distributed and modified under the terms of the GNU
+General Public License version 2 (GPL2) as published by the Free Software
+Foundation and appearing in the file GPL2.TXT included in the packaging of
+this file. Please note that GPL2 Section 2[b] requires that all works based
+on this software must also be made publicly available under the terms of
+the GPL2 ("Copyleft").
+
+Contact information
+-------------------
+
+Circuits At Home, LTD
+Web      :  http://www.circuitsathome.com
+e-mail   :  support@circuitsathome.com
+*/
+
+#include "hidboot.h"
+
+/**
+ * \brief Parse HID mouse report.
+ *
+ * \param hid HID device pointer.
+ * \param is_rpt_id True if this is a report ID.
+ * \param len Buffer length.
+ * \param buf Buffer containing report data.
+ */
+void MouseReportParser::Parse(HID *hid, bool is_rpt_id, uint32_t len, uint8_t *buf)
+{
+	MOUSEINFO *pmi = (MOUSEINFO*)buf;
+
+	if (prevState.mouseInfo.bmLeftButton == 0 && pmi->bmLeftButton == 1)
+		OnLeftButtonDown(pmi);
+
+	if (prevState.mouseInfo.bmLeftButton == 1 && pmi->bmLeftButton == 0)
+		OnLeftButtonUp(pmi);
+
+	if (prevState.mouseInfo.bmRightButton == 0 && pmi->bmRightButton == 1)
+		OnRightButtonDown(pmi);
+
+	if (prevState.mouseInfo.bmRightButton == 1 && pmi->bmRightButton == 0)
+		OnRightButtonUp(pmi);
+
+	if (prevState.mouseInfo.bmMiddleButton == 0 && pmi->bmMiddleButton == 1)
+		OnMiddleButtonDown(pmi);
+
+	if (prevState.mouseInfo.bmMiddleButton == 1 && pmi->bmMiddleButton == 0)
+		OnMiddleButtonUp(pmi);
+
+	if (prevState.mouseInfo.dX != pmi->dX || prevState.mouseInfo.dY != pmi->dY)
+		OnMouseMove(pmi);
+
+	for (uint32_t i = 0; i < 3; ++i)
+		prevState.bInfo[i] = buf[i];
+};
+
+/**
+ * \brief Parse HID keyboard report.
+ *
+ * \param hid HID device pointer.
+ * \param is_rpt_id True if this is a report ID.
+ * \param len Buffer length.
+ * \param buf Buffer containing report data.
+ */
+void KeyboardReportParser::Parse(HID *hid, bool is_rpt_id, uint32_t len, uint8_t *buf)
+{
+	// On error - return
+	if (buf[2] == 1)
+		return;
+
+	//KBDINFO	*pki = (KBDINFO*)buf;
+
+	for (uint32_t i = 2; i < 8; ++i)
+	{
+		bool down = false;
+		bool up	  = false;
+
+		for (uint8_t j=2; j<8; j++)
+		{
+			if (buf[i] == prevState.bInfo[j] && buf[i] != 1)
+				down = true;
+			if (buf[j] == prevState.bInfo[i] && prevState.bInfo[i] != 1)
+				up = true;
+		}
+
+		if (!down)
+		{
+			HandleLockingKeys(hid, buf[i]);
+			OnKeyDown(*buf, buf[i]);
+		}
+
+		if (!up)
+			OnKeyUp(prevState.bInfo[0], prevState.bInfo[i]);
+	}
+
+	for (uint32_t i = 0; i < 8; ++i)
+		prevState.bInfo[i] = buf[i];
+};
+
+/**
+ * \brief Handle keyboard locking keys and manage keyboard leds using USB
+ * report.
+ *
+ * \param hid HID device pointer.
+ * \param key Locking key.
+ *
+ * \return 0 on success, error code otherwise.
+ */
+uint8_t KeyboardReportParser::HandleLockingKeys(HID *hid, uint8_t key)
+{
+	uint8_t old_keys = kbdLockingKeys.bLeds;
+
+	switch (key)
+	{
+		case KEY_NUM_LOCK:
+			kbdLockingKeys.kbdLeds.bmNumLock = ~kbdLockingKeys.kbdLeds.bmNumLock;
+			break;
+		case KEY_CAPS_LOCK:
+			kbdLockingKeys.kbdLeds.bmCapsLock = ~kbdLockingKeys.kbdLeds.bmCapsLock;
+			break;
+		case KEY_SCROLL_LOCK:
+			kbdLockingKeys.kbdLeds.bmScrollLock = ~kbdLockingKeys.kbdLeds.bmScrollLock;
+			break;
+	}
+
+	if (old_keys != kbdLockingKeys.bLeds && hid)
+		return (hid->SetReport(0, 0/*hid->GetIface()*/, 2, 0, 1, &kbdLockingKeys.bLeds));
+
+	return 0;
+}
+
+const uint8_t KeyboardReportParser::numKeys[] = { '!', '@', '#', '$', '%', '^', '&', '*', '(', ')' };
+const uint8_t KeyboardReportParser::symKeysUp[] = { '_', '+', '{', '}', '|', '~', ':', '"', '~', '<', '>', '?' };
+const uint8_t KeyboardReportParser::symKeysLo[] = { '-', '=', '[', ']', '\\', ' ', ';', '\'', '`', ',', '.', '/' };
+const uint8_t KeyboardReportParser::padKeys[] = { '/', '*', '-', '+', 0x13 };
+
+/**
+ * \brief Manage keyboard OEM to ASCII conversion.
+ *
+ * \param mod Keyboard modifier.
+ * \param key Key value to convert.
+ *
+ * \return Keyboard corresponding ASCII value on success, 0 otherwise.
+ */
+uint8_t KeyboardReportParser::OemToAscii(uint8_t mod, uint8_t key)
+{
+	uint8_t shift = (mod & 0x22);
+
+	// [a-z]
+	if (key > 0x03 && key < 0x1e)
+	{
+		// Upper case letters
+		if ( (kbdLockingKeys.kbdLeds.bmCapsLock == 0 && (mod & 2)) ||
+			 (kbdLockingKeys.kbdLeds.bmCapsLock == 1 && (mod & 2) == 0) )
+			return (key - 4 + 'A');
+
+		// Lower case letters
+		else
+			return (key - 4 + 'a');
+	}
+	// Numbers
+	else if (key > 0x1d && key < 0x27)
+	{
+		if (shift)
+			return (numKeys[key - 0x1e]);
+		else
+			return (key - 0x1e + '1');
+	}
+	// Keypad Numbers
+	else if (key > 0x58 && key < 0x62)
+	{
+		if (kbdLockingKeys.kbdLeds.bmNumLock == 1)
+			return (key - 0x59 + '1');
+	}
+	else if (key > 0x2c && key < 0x39)
+		return ((shift) ? symKeysUp[key-0x2d] : symKeysLo[key-0x2d]);
+	else if (key > 0x53 && key < 0x59)
+		return padKeys[key - 0x54];
+	else
+	{
+		switch (key)
+		{
+			case KEY_SPACE:		return (0x20);
+			case KEY_ENTER:		return (0x13);
+			case KEY_ZERO:		return ((shift) ? ')' : '0');
+			case KEY_ZERO2:		return ((kbdLockingKeys.kbdLeds.bmNumLock == 1) ? '0' : 0);
+			case KEY_PERIOD:	return ((kbdLockingKeys.kbdLeds.bmNumLock == 1) ? '.' : 0);
+		}
+	}
+
+	return 0;
+}