Fix bug in handling reserved keystrokes

Fix bug where any Ctrl-Shift keystrokes are dropped even if they are not
reserved keystrokes.

Formatting changes (replaced all tab chars with spaces)
This commit is contained in:
weigee 2012-11-27 23:51:51 +08:00
parent e063ca1adb
commit f3b325b755
1 changed files with 267 additions and 155 deletions

View File

@ -18,21 +18,31 @@
#include "keymapper_game.h"
//#define DEBUG
#define modeLED 13
// function definitions
bool HandleReservedKeystrokes(uint8_t mod, uint8_t key);
void play_word_game(void);
// variable definitions
typedef enum
{
qwerty=0,
tarmak1,
tarmak2,
tarmak3,
tarmak4,
colemak,
dvorak
qwerty=0,
tarmak1,
tarmak2,
tarmak3,
tarmak4,
colemak,
dvorak
} KeyboardLayout;
// keymap based on the scancodes from 4 to 57, refer to the HID usage table on the meaning of each element
PROGMEM prog_uint8_t qwertyKeymap[] = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57};
PROGMEM prog_uint8_t tarmak1Keymap[] = {4, 5, 6, 7, 13, 9, 10, 11, 12, 17, 8, 15, 16, 14, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57};
PROGMEM prog_uint8_t tarmak2Keymap[] = {4, 5, 6, 7, 9, 23, 13, 11, 12, 17, 8, 15, 16, 14, 18, 19, 20, 21, 22, 10, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57};
@ -42,12 +52,12 @@ PROGMEM prog_uint8_t colemakKeymap[] = {4, 5, 6, 22, 9, 23, 7, 11, 24, 17, 8, 12
const uint8_t *keymap[] =
{
qwertyKeymap,
tarmak1Keymap,
tarmak2Keymap,
tarmak3Keymap,
tarmak4Keymap,
colemakKeymap
qwertyKeymap,
tarmak1Keymap,
tarmak2Keymap,
tarmak3Keymap,
tarmak4Keymap,
colemakKeymap
};
@ -60,14 +70,15 @@ KeyboardLayout currentLayout = qwerty;
class KbdRptParser : public KeyboardReportParser
{
void PrintKey(uint8_t mod, uint8_t key);
void PrintKey(uint8_t mod, uint8_t key);
protected:
virtual void OnKeyDown (uint8_t mod, uint8_t key);
virtual void OnKeyUp (uint8_t mod, uint8_t key);
virtual void OnKeyDown (uint8_t mod, uint8_t key);
virtual void OnKeyUp (uint8_t mod, uint8_t key);
virtual void Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf);
};
void KbdRptParser::PrintKey(uint8_t m, uint8_t key)
void KbdRptParser::PrintKey(uint8_t m, uint8_t key)
{
MODIFIERKEYS mod;
@ -87,81 +98,33 @@ void KbdRptParser::PrintKey(uint8_t m, uint8_t key)
Serial.print((mod.bmRightCtrl == 1) ? "C" : " ");
Serial.print((mod.bmRightShift == 1) ? "S" : " ");
Serial.print((mod.bmRightAlt == 1) ? "A" : " ");
Serial.println((mod.bmRightGUI == 1) ? "G" : " ");
Serial.println((mod.bmRightGUI == 1) ? "G" : " ");
};
void KbdRptParser::OnKeyDown(uint8_t mod, uint8_t key)
void KbdRptParser::OnKeyDown(uint8_t mod, uint8_t key)
{
#ifdef DEBUG
Serial.print("DN ");
PrintKey(mod, key);
#endif
// check if we are changing layouts
if ((mod & 0x22) && (mod & 0x11)) {
switch (key) {
case 0x27: // 0
currentLayout = qwerty;
digitalWrite(modeLED, LOW);
#ifdef DEBUG
Serial.print("Current layout: ");
Serial.println(currentLayout);
for (uint8_t i=0; i<54; i++)
Serial.println(pgm_read_byte(keymap[currentLayout]+i));
#endif
break;
case 0x1e: // 1
currentLayout = tarmak1;
digitalWrite(modeLED, HIGH);
break;
case 0x1f: // 2
currentLayout = tarmak2;
digitalWrite(modeLED, HIGH);
break;
case 0x20: // 3
currentLayout = tarmak3;
digitalWrite(modeLED, HIGH);
break;
case 0x21: // 4
currentLayout = tarmak4;
digitalWrite(modeLED, HIGH);
break;
case 0x22: // 5
currentLayout = colemak;
digitalWrite(modeLED, HIGH);
break;
case 0x2c: // space bar
play_word_game();
break;
}
}
else
{
// print the key based on the current layout
if (key-4 < 54) // transpose of 4 becoz our array starts from 0 but A is 4
// limit check to 57, which is the last mappable key (CAPSLOCK)
key = pgm_read_byte(keymap[currentLayout]+key-4);
keyBuffer[0] = mod;
keyBuffer[2] = key;
HID_SendReport(2,keyBuffer,sizeof(keyBuffer));
}
if (!HandleReservedKeystrokes(mod, key))
{
// print the key based on the current layout
if (key-4 < 54) // transpose of 4 becoz our array starts from 0 but A is 4
// limit check to 57, which is the last mappable key (CAPSLOCK)
key = pgm_read_byte(keymap[currentLayout]+key-4);
keyBuffer[0] = mod;
keyBuffer[2] = key;
HID_SendReport(2,keyBuffer,sizeof(keyBuffer));
}
}
void KbdRptParser::OnKeyUp(uint8_t mod, uint8_t key)
void KbdRptParser::OnKeyUp(uint8_t mod, uint8_t key)
{
#ifdef DEBUG
Serial.print("UP ");
@ -175,7 +138,212 @@ void KbdRptParser::OnKeyUp(uint8_t mod, uint8_t key)
}
// Copy and pasted over from Oleg's library in preparation for next major revision
// void KbdRptParser::Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf)
// {
// Serial.println ("This is my own parse function!");
// // On error - return
// if (buf[2] == 1)
// return;
// KBDINFO *pki = (KBDINFO*)buf;
// for (uint8_t i=2; i<8; i++)
// {
// bool down = true;
// bool up = true;
// for (uint8_t j=2; j<8; j++)
// {
// if (buf[i] == prevState.bInfo[j] && buf[i] != 1) // if at least one of the keys are the same
// down = false; // as the previous state, then it could not
// // have been pressed again
// if (buf[j] == prevState.bInfo[i] && prevState.bInfo[i] != 1) // if any of the keys in the previous
// up = false; // is found now, then it has not been
// } // released
// if (down)
// {
// HandleLockingKeys(hid, buf[i]);
// OnKeyDown(*buf, buf[i]);
// }
// if (up)
// {
// OnKeyUp(prevState.bInfo[0], prevState.bInfo[i]);
// }
// }
// // handle modifier keys
// if ( (buf[0] & 0x01) > (prevState.bInfo[0] & 0x01)) // left CTRL was pressed
// OnKeyDown (*buf, 0xe0);
// if ( (buf[0] & 0x01) < (prevState.bInfo[0] & 0x01)) // left CTRL was release
// OnKeyUp (prevState.bInfo[0], 0xe0);
// if ( (buf[0] & 0x02) > (prevState.bInfo[0] & 0x02)) // left SHIFT was pressed
// OnKeyDown (*buf, 0xe1);
// if ( (buf[0] & 0x02) < (prevState.bInfo[0] & 0x02)) // left SHIFT was release
// OnKeyUp (prevState.bInfo[0], 0xe1);
// if ( (buf[0] & 0x04) > (prevState.bInfo[0] & 0x04)) // left ALT was pressed
// OnKeyDown (*buf, 0xe2);
// if ( (buf[0] & 0x04) < (prevState.bInfo[0] & 0x04)) // left ALT was release
// OnKeyUp (prevState.bInfo[0], 0xe2);
// if ( (buf[0] & 0x08) > (prevState.bInfo[0] & 0x08)) // left GUI was pressed
// OnKeyDown (*buf, 0xe3);
// if ( (buf[0] & 0x08) < (prevState.bInfo[0] & 0x08)) // left GUI was release
// OnKeyUp (prevState.bInfo[0], 0xe3);
// if ( (buf[0] & 0x10) > (prevState.bInfo[0] & 0x10)) // right CTRL was pressed
// OnKeyDown (*buf, 0xe4);
// if ( (buf[0] & 0x10) < (prevState.bInfo[0] & 0x10)) // right CTRL was release
// OnKeyUp (prevState.bInfo[0], 0xe4);
// if ( (buf[0] & 0x20) > (prevState.bInfo[0] & 0x20)) // right SHIFT was pressed
// OnKeyDown (*buf, 0xe5);
// if ( (buf[0] & 0x20) < (prevState.bInfo[0] & 0x20)) // right SHIFT was release
// OnKeyUp (prevState.bInfo[0], 0xe5);
// if ( (buf[0] & 0x40) > (prevState.bInfo[0] & 0x40)) // right ALT was pressed
// OnKeyDown (*buf, 0xe6);
// if ( (buf[0] & 0x40) < (prevState.bInfo[0] & 0x40)) // right ALT was release
// OnKeyUp (prevState.bInfo[0], 0xe6);
// if ( (buf[0] & 0x80) > (prevState.bInfo[0] & 0x80)) // right GUI was pressed
// OnKeyDown (*buf, 0xe7);
// if ( (buf[0] & 0x80) < (prevState.bInfo[0] & 0x80)) // right GUI was release
// OnKeyUp (prevState.bInfo[0], 0xe7);
// /*
// for (uint8_t i=0; i<8; i++)
// prevState.bInfo[i] = buf[i];
// */
// memcpy(prevState.bInfo, buf, 8); // potentially faster than the loop? code seems to compile smaller also
// };
bool HandleReservedKeystrokes(uint8_t mod, uint8_t key) // return true if it is a reserved keystroke
{
// check if we are changing layouts
if ((mod & 0x22) && (mod & 0x11)) { // Shift-Alt keystrokes
switch (key) {
case 0x27: // 0
currentLayout = qwerty;
digitalWrite(modeLED, LOW);
return true;
case 0x1e: // 1
currentLayout = tarmak1;
digitalWrite(modeLED, HIGH);
return true;
case 0x1f: // 2
currentLayout = tarmak2;
digitalWrite(modeLED, HIGH);
return true;
case 0x20: // 3
currentLayout = tarmak3;
digitalWrite(modeLED, HIGH);
return true;
case 0x21: // 4
currentLayout = tarmak4;
digitalWrite(modeLED, HIGH);
return true;
case 0x22: // 5
currentLayout = colemak;
digitalWrite(modeLED, HIGH);
return true;
case 0x2c: // space bar
play_word_game();
return true;
}
}
// note that in the current implementation of HandleReservedKeystrokes, this
// part of the code will never get called even if DEBUG is defined
#ifdef DEBUG
Serial.print("Current layout: ");
Serial.println(currentLayout);
for (uint8_t i=0; i<54; i++)
Serial.println(pgm_read_byte(keymap[currentLayout]+i));
#endif
return false;
}
// *******************************
// **** WORD GAME!!! ***
// *******************************
void play_word_game(void)
{
char buffer[GAME_MAXWORDLENGTH];
char priorityAlphabets[10];
char *instrPtr;
uint16_t randNum;
switch (currentLayout) {
case tarmak1:
strcpy (priorityAlphabets, "nek");
break;
case tarmak2:
strcpy (priorityAlphabets, "ftg");
break;
case tarmak3:
strcpy (priorityAlphabets, "jyo");
break;
case tarmak4:
strcpy (priorityAlphabets, "lui");
break;
case colemak:
strcpy (priorityAlphabets, "rspd");
break;
default:
strcpy (priorityAlphabets, "");
}
Keyboard.print( "Word game! Letters being prioritised: " );
Keyboard.println( priorityAlphabets );
for (int i = 0; i < 15; i++) {
if (priorityAlphabets[0] != 0) {
instrPtr = NULL;
while (instrPtr == NULL) {
randNum = random(GAME_NUMWORDS);
strcpy_P(buffer, (char*)pgm_read_word(&(game_word_list[randNum])));
instrPtr = strpbrk (buffer, priorityAlphabets);
}
}
else {
randNum = random(GAME_NUMWORDS);
strcpy_P(buffer, (char*)pgm_read_word(&(game_word_list[randNum])));
}
Keyboard.print( buffer );
Keyboard.print( " " );
}
Keyboard.println( "" );
}
USB Usb;
//USBHub Hub(&Usb);
HIDBoot<HID_PROTOCOL_KEYBOARD> Keyboard2(&Usb);
@ -185,83 +353,27 @@ uint32_t next_time;
KbdRptParser Prs;
// *******************************
// **** WORD GAME!!! ***
// *******************************
void play_word_game()
{
char buffer[GAME_MAXWORDLENGTH];
char priorityAlphabets[10];
char *instrPtr;
uint16_t randNum;
switch (currentLayout) {
case tarmak1:
strcpy (priorityAlphabets, "nek");
break;
case tarmak2:
strcpy (priorityAlphabets, "ftg");
break;
case tarmak3:
strcpy (priorityAlphabets, "jyo");
break;
case tarmak4:
strcpy (priorityAlphabets, "lui");
break;
case colemak:
strcpy (priorityAlphabets, "rspd");
break;
default:
strcpy (priorityAlphabets, "");
}
Keyboard.print( "Word game! Letters being prioritised: " );
Keyboard.println( priorityAlphabets );
for (int i = 0; i < 15; i++) {
if (priorityAlphabets[0] != 0) {
instrPtr = NULL;
while (instrPtr == NULL) {
randNum = random(GAME_NUMWORDS);
strcpy_P(buffer, (char*)pgm_read_word(&(game_word_list[randNum])));
instrPtr = strpbrk (buffer, priorityAlphabets);
}
}
else {
randNum = random(GAME_NUMWORDS);
strcpy_P(buffer, (char*)pgm_read_word(&(game_word_list[randNum])));
}
Keyboard.print( buffer );
Keyboard.print( " " );
}
Keyboard.println( "" );
}
void setup()
{
randomSeed(analogRead(0));
randomSeed(analogRead(0));
// initialize the digital pin as an output.
pinMode(modeLED, OUTPUT);
Keyboard.begin();
// initialize the digital pin as an output.
pinMode(modeLED, OUTPUT);
Keyboard.begin();
#ifdef DEBUG
Serial.begin( 115200 );
Serial.println("Start");
Serial.begin( 115200 );
Serial.println("Start");
#endif
if (Usb.Init() == -1)
if (Usb.Init() == -1)
#ifdef DEBUG
Serial.println("OSC did not start.");
@ -269,16 +381,16 @@ void setup()
delay( 1 );
#endif
delay( 200 );
next_time = millis() + 5000;
Keyboard2.SetReportParser(0, (HIDReportParser*)&Prs);
delay( 200 );
next_time = millis() + 5000;
Keyboard2.SetReportParser(0, (HIDReportParser*)&Prs);
}
void loop()
{
Usb.Task();
Usb.Task();
}