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   :  [email protected] + */ +#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); +} | 
