diff options
Diffstat (limited to 'lib/usbhost/USB_Host_Shield_2.0/hidboot.cpp')
| -rw-r--r-- | lib/usbhost/USB_Host_Shield_2.0/hidboot.cpp | 201 |
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 new file mode 100644 index 0000000000..280b2f9788 --- /dev/null +++ b/lib/usbhost/USB_Host_Shield_2.0/hidboot.cpp @@ -0,0 +1,201 @@ +/* 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); +} |