301 lines
8.0 KiB
C++
301 lines
8.0 KiB
C++
#include <avr/pgmspace.h>
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#include <avrpins.h>
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#include <max3421e.h>
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#include <usbhost.h>
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#include <usb_ch9.h>
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#include <Usb.h>
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#include <usbhub.h>
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#include <address.h>
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#include <hidboot.h>
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#include <printhex.h>
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#include <message.h>
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#include <hexdump.h>
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#include <parsetools.h>
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#include "keymapper_game.h"
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//#define DEBUG
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#define modeLED 13
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// function definitions
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bool HandleReservedKeystrokes(HID *hid, uint8_t *buf);
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void play_word_game(void);
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// variable definitions
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typedef enum
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{
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qwerty=0,
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tarmak1,
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tarmak2,
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tarmak3,
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tarmak4,
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colemak,
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dvorak
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} KeyboardLayout;
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// Keymap based on the scancodes from 4 to 57, refer to the HID usage table on the meaning of each element
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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};
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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, 42};
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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, 42};
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PROGMEM prog_uint8_t tarmak3Keymap[] = {4, 5, 6, 7, 9, 23, 51, 11, 12, 17, 8, 15, 16, 14, 28, 19, 20, 21, 22, 10, 24, 25, 26, 27, 13, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 18, 52, 53, 54, 55, 56, 42};
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PROGMEM prog_uint8_t tarmak4Keymap[] = {4, 5, 6, 7, 9, 23, 51, 11, 24, 17, 8, 12, 16, 14, 28, 19, 20, 21, 22, 10, 15, 25, 26, 27, 13, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 18, 52, 53, 54, 55, 56, 42};
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PROGMEM prog_uint8_t colemakKeymap[] = {4, 5, 6, 22, 9, 23, 7, 11, 24, 17, 8, 12, 16, 14, 28, 51, 20, 19, 21, 10, 15, 25, 26, 27, 13, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 18, 52, 53, 54, 55, 56, 42};
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const uint8_t *Keymap[] =
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{
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qwertyKeymap,
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tarmak1Keymap,
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tarmak2Keymap,
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tarmak3Keymap,
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tarmak4Keymap,
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colemakKeymap
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};
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// global variables
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//uint32_t ledBlinkTime = millis();
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//uint16_t ledBlinkDelay = 500;
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//bool ledStatus = false;
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KeyboardLayout CurrentLayout = qwerty;
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uint8_t KeyBuffer[8] = {0,0,0,0,0,0,0,0};
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class KbdRptParser : public KeyboardReportParser
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{
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protected:
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virtual void Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf);
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};
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// *******************************************************************************************
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// Parse
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// *******************************************************************************************
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void KbdRptParser::Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf)
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{
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// On error - return
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if (buf[2] == 1)
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return;
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// for (uint8_t i=0; i<8; i++)
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// {
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// PrintHex(buf[i]);
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// Serial.print(" ");
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// }
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// Serial.println("");
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KeyBuffer[0] = buf[0];
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if (!HandleReservedKeystrokes(hid, buf))
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{
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// remap all keys according to the existing keymap
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for (uint8_t i=2; i<8; i++)
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{
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// handle special case of Shift-CAPSLOCK to be ignored by the remapper
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if (buf[i] == KEY_CAPS_LOCK && buf[0] & 0x22)
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KeyBuffer[i] = buf[i];
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else
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{
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// print the key based on the current layout
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if (buf[i]>=4 && buf[i]-4 < 54) // transpose of 4 becoz our array starts from 0 but A is 4
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// limit check to 57, which is the last mappable key (CAPSLOCK)
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KeyBuffer[i] = pgm_read_byte(Keymap[CurrentLayout]+buf[i]-4);
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else
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KeyBuffer[i] = buf[i];
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}
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// check locking keys
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HandleLockingKeys(hid, KeyBuffer[i]);
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}
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// send out key press
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HID_SendReport(2,KeyBuffer,sizeof(KeyBuffer));
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// for (uint8_t i=0; i<8; i++)
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// {
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// PrintHex(KeyBuffer[i]);
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// Serial.print(" ");
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// }
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// Serial.println("");
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// Serial.println("");
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}
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};
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bool HandleReservedKeystrokes(HID *hid, uint8_t *buf) // return true if it is a reserved keystroke
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{
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uint8_t mod = buf[0]; // read the modifier byte
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uint8_t numKeysPressed = 0;
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uint8_t keyPosition = 0;
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// check that there is only 1 single key that is pressed
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for (uint8_t i=2; i<8; i++) if (buf[i] > 0) {
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numKeysPressed++;
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keyPosition = i;
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}
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if (numKeysPressed != 1) return false; // only allow single keypress for reserved keystrokes (besides modifiers)
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// check if we are changing layouts
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if ((mod & 0x22) && (mod & 0x11)) { // Shift-Alt keystrokes
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switch (buf[keyPosition]) {
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case 0x27: // 0
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CurrentLayout = qwerty;
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digitalWrite(modeLED, LOW);
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return true;
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case 0x1e: // 1
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CurrentLayout = tarmak1;
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digitalWrite(modeLED, HIGH);
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return true;
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case 0x1f: // 2
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CurrentLayout = tarmak2;
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digitalWrite(modeLED, HIGH);
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return true;
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case 0x20: // 3
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CurrentLayout = tarmak3;
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digitalWrite(modeLED, HIGH);
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return true;
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case 0x21: // 4
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CurrentLayout = tarmak4;
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digitalWrite(modeLED, HIGH);
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return true;
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case 0x22: // 5
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CurrentLayout = colemak;
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digitalWrite(modeLED, HIGH);
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return true;
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case 0x2c: // space bar
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play_word_game();
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return true;
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}
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}
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return false;
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}
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// *******************************************************************************************
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// WORD GAME!!!
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// *******************************************************************************************
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void play_word_game(void)
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{
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char buffer[GAME_MAXWORDLENGTH];
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char priorityAlphabets[10];
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char *instrPtr;
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uint16_t randNum;
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switch (CurrentLayout) {
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case tarmak1:
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strcpy (priorityAlphabets, "nek");
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break;
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case tarmak2:
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strcpy (priorityAlphabets, "ftg");
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break;
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case tarmak3:
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strcpy (priorityAlphabets, "jyo");
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break;
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case tarmak4:
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strcpy (priorityAlphabets, "lui");
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break;
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case colemak:
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strcpy (priorityAlphabets, "rspd");
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break;
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default:
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strcpy (priorityAlphabets, "");
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}
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Keyboard.print( "Word game! Letters being prioritised: " );
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Keyboard.println( priorityAlphabets );
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for (int i = 0; i < 15; i++) {
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if (priorityAlphabets[0] != 0) {
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instrPtr = NULL;
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while (instrPtr == NULL) {
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randNum = random(GAME_NUMWORDS);
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strcpy_P(buffer, (char*)pgm_read_word(&(game_word_list[randNum])));
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instrPtr = strpbrk (buffer, priorityAlphabets);
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}
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}
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else {
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randNum = random(GAME_NUMWORDS);
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strcpy_P(buffer, (char*)pgm_read_word(&(game_word_list[randNum])));
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}
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Keyboard.print( buffer );
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Keyboard.print( " " );
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}
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Keyboard.println( "" );
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}
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USB Usb;
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//USBHub Hub(&Usb);
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HIDBoot<HID_PROTOCOL_KEYBOARD> Keyboard2(&Usb);
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uint32_t next_time;
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KbdRptParser Prs;
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void setup()
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{
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randomSeed(analogRead(0));
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// initialize the digital pin as an output.
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pinMode(modeLED, OUTPUT);
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Keyboard.begin();
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#ifdef DEBUG
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Serial.begin( 115200 );
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Serial.println("Start");
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#endif
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if (Usb.Init() == -1)
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#ifdef DEBUG
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Serial.println("OSC did not start.");
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#else
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delay( 1 );
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#endif
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delay( 200 );
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next_time = millis() + 5000;
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Keyboard2.SetReportParser(0, (HIDReportParser*)&Prs);
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}
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void loop()
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{
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Usb.Task();
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}
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