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Diffstat (limited to 'lib/usbhost/USB_Host_Shield_2.0/hidboot.cpp')
-rw-r--r--lib/usbhost/USB_Host_Shield_2.0/hidboot.cpp201
1 files changed, 201 insertions, 0 deletions
diff --git a/lib/usbhost/USB_Host_Shield_2.0/hidboot.cpp b/lib/usbhost/USB_Host_Shield_2.0/hidboot.cpp
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index 0000000000..280b2f9788
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+++ b/lib/usbhost/USB_Host_Shield_2.0/hidboot.cpp
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+/* 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"
+
+void MouseReportParser::Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf) {
+ MOUSEINFO *pmi = (MOUSEINFO*)buf;
+ // Future:
+ // bool event;
+
+#if 0
+ 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);
+
+ if (len > sizeof (MOUSEINFO))
+ for (uint8_t i = 0; i<sizeof (MOUSEINFO); i++)
+ prevState.bInfo[i] = buf[i];
+#else
+ //
+ // Optimization idea:
+ //
+ // 1: Don't pass the structure on every event. Buttons would not need it.
+ // 2: Only pass x/y values in the movement routine.
+ //
+ // These two changes (with the ones I have made) will save extra flash.
+ // The only "bad" thing is that it could break old code.
+ //
+ // Future thoughts:
+ //
+ // The extra space gained can be used for a generic mouse event that can be called
+ // when there are _ANY_ changes. This one you _MAY_ want to pass everything, however the
+ // sketch could already have noted these facts to support drag/drop scroll wheel stuff, etc.
+ //
+
+ // Why do we need to pass the structure for buttons?
+ // The function call not enough of a hint for what is happening?
+ if(prevState.mouseInfo.bmLeftButton != pmi->bmLeftButton ) {
+ if(pmi->bmLeftButton) {
+ OnLeftButtonDown(pmi);
+ } else {
+ OnLeftButtonUp(pmi);
+ }
+ // Future:
+ // event = true;
+ }
+
+ if(prevState.mouseInfo.bmRightButton != pmi->bmRightButton) {
+ if(pmi->bmRightButton) {
+ OnRightButtonDown(pmi);
+ } else {
+ OnRightButtonUp(pmi);
+ }
+ // Future:
+ // event = true;
+ }
+
+ if(prevState.mouseInfo.bmMiddleButton != pmi->bmMiddleButton) {
+ if(pmi->bmMiddleButton) {
+ OnMiddleButtonDown(pmi);
+ } else {
+ OnMiddleButtonUp(pmi);
+ }
+ // Future:
+ // event = true;
+ }
+
+ //
+ // Scroll wheel(s), are not part of the spec, but we could support it.
+ // Logitech wireless keyboard and mouse combo reports scroll wheel in byte 4
+ // We wouldn't even need to save this information.
+ //if(len > 3) {
+ //}
+ //
+
+ // Mice only report motion when they actually move!
+ // Why not just pass the x/y values to simplify things??
+ if(pmi->dX || pmi->dY) {
+ OnMouseMove(pmi);
+ // Future:
+ // event = true;
+ }
+
+ //
+ // Future:
+ // Provide a callback that operates on the gathered events from above.
+ //
+ // if(event) OnMouse();
+ //
+
+ // Only the first byte matters (buttons). We do NOT need to save position info.
+ prevState.bInfo[0] = buf[0];
+#endif
+
+};
+
+void KeyboardReportParser::Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf) {
+ // On error - return
+ if (buf[2] == 1)
+ return;
+
+ //KBDINFO *pki = (KBDINFO*)buf;
+
+ // provide event for changed control key state
+ if (prevState.bInfo[0x00] != buf[0x00]) {
+ OnControlKeysChanged(prevState.bInfo[0x00], buf[0x00]);
+ }
+
+ for (uint8_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 (uint8_t i = 0; i < 8; i++)
+ prevState.bInfo[i] = buf[i];
+};
+
+const uint8_t KeyboardReportParser::numKeys[10] PROGMEM = {'!', '@', '#', '$', '%', '^', '&', '*', '(', ')'};
+const uint8_t KeyboardReportParser::symKeysUp[12] PROGMEM = {'_', '+', '{', '}', '|', '~', ':', '"', '~', '<', '>', '?'};
+const uint8_t KeyboardReportParser::symKeysLo[12] PROGMEM = {'-', '=', '[', ']', '\\', ' ', ';', '\'', '`', ',', '.', '/'};
+const uint8_t KeyboardReportParser::padKeys[5] PROGMEM = {'/', '*', '-', '+', 0x13};
+
+uint8_t KeyboardReportParser::OemToAscii(uint8_t mod, uint8_t key) {
+ uint8_t shift = (mod & 0x22);
+
+ // [a-z]
+ if (VALUE_WITHIN(key, 0x04, 0x1d)) {
+ // Upper case letters
+ if ((kbdLockingKeys.kbdLeds.bmCapsLock == 0 && shift) ||
+ (kbdLockingKeys.kbdLeds.bmCapsLock == 1 && shift == 0))
+ return (key - 4 + 'A');
+
+ // Lower case letters
+ else
+ return (key - 4 + 'a');
+ }// Numbers
+ else if (VALUE_WITHIN(key, 0x1e, 0x27)) {
+ if (shift)
+ return ((uint8_t)pgm_read_byte(&getNumKeys()[key - 0x1e]));
+ else
+ return ((key == UHS_HID_BOOT_KEY_ZERO) ? '0' : key - 0x1e + '1');
+ }// Keypad Numbers
+ else if(VALUE_WITHIN(key, 0x59, 0x61)) {
+ if(kbdLockingKeys.kbdLeds.bmNumLock == 1)
+ return (key - 0x59 + '1');
+ } else if(VALUE_WITHIN(key, 0x2d, 0x38))
+ return ((shift) ? (uint8_t)pgm_read_byte(&getSymKeysUp()[key - 0x2d]) : (uint8_t)pgm_read_byte(&getSymKeysLo()[key - 0x2d]));
+ else if(VALUE_WITHIN(key, 0x54, 0x58))
+ return (uint8_t)pgm_read_byte(&getPadKeys()[key - 0x54]);
+ else {
+ switch(key) {
+ case UHS_HID_BOOT_KEY_SPACE: return (0x20);
+ case UHS_HID_BOOT_KEY_ENTER: return (0x13);
+ case UHS_HID_BOOT_KEY_ZERO2: return ((kbdLockingKeys.kbdLeds.bmNumLock == 1) ? '0': 0);
+ case UHS_HID_BOOT_KEY_PERIOD: return ((kbdLockingKeys.kbdLeds.bmNumLock == 1) ? '.': 0);
+ }
+ }
+ return ( 0);
+}
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