1 /* Copyright (C) 2011-2016 by Jacob Alexander
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 // ----- Includes -----
25 #include <Lib/OutputLib.h>
31 #include <scan_loop.h>
34 #if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_)
35 #include "avr/usb_keyboard_serial.h"
36 #elif defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) || defined(_mk20dx256vlh7_)
37 #include "arm/usb_dev.h"
38 #include "arm/usb_keyboard.h"
39 #include "arm/usb_serial.h"
43 #include "output_com.h"
49 // Used to build a bitmap lookup table from a byte addressable array
50 #define byteLookup( byte ) case (( byte ) * ( 8 )): bytePosition = byte; byteShift = 0; break; \
51 case (( byte ) * ( 8 ) + ( 1 )): bytePosition = byte; byteShift = 1; break; \
52 case (( byte ) * ( 8 ) + ( 2 )): bytePosition = byte; byteShift = 2; break; \
53 case (( byte ) * ( 8 ) + ( 3 )): bytePosition = byte; byteShift = 3; break; \
54 case (( byte ) * ( 8 ) + ( 4 )): bytePosition = byte; byteShift = 4; break; \
55 case (( byte ) * ( 8 ) + ( 5 )): bytePosition = byte; byteShift = 5; break; \
56 case (( byte ) * ( 8 ) + ( 6 )): bytePosition = byte; byteShift = 6; break; \
57 case (( byte ) * ( 8 ) + ( 7 )): bytePosition = byte; byteShift = 7; break
61 // ----- Function Declarations -----
63 void cliFunc_kbdProtocol( char* args );
64 void cliFunc_outputDebug( char* args );
65 void cliFunc_readLEDs ( char* args );
66 void cliFunc_sendKeys ( char* args );
67 void cliFunc_setKeys ( char* args );
68 void cliFunc_setMod ( char* args );
72 // ----- Variables -----
74 // Output Module command dictionary
75 CLIDict_Entry( kbdProtocol, "Keyboard Protocol Mode: 0 - Boot, 1 - OS/NKRO Mode" );
76 CLIDict_Entry( outputDebug, "Toggle Output Debug mode." );
77 CLIDict_Entry( readLEDs, "Read LED byte:" NL "\t\t1 NumLck, 2 CapsLck, 4 ScrlLck, 16 Kana, etc." );
78 CLIDict_Entry( sendKeys, "Send the prepared list of USB codes and modifier byte." );
79 CLIDict_Entry( setKeys, "Prepare a space separated list of USB codes (decimal). Waits until \033[35msendKeys\033[0m." );
80 CLIDict_Entry( setMod, "Set the modfier byte:" NL "\t\t1 LCtrl, 2 LShft, 4 LAlt, 8 LGUI, 16 RCtrl, 32 RShft, 64 RAlt, 128 RGUI" );
82 CLIDict_Def( outputCLIDict, "USB Module Commands" ) = {
83 CLIDict_Item( kbdProtocol ),
84 CLIDict_Item( outputDebug ),
85 CLIDict_Item( readLEDs ),
86 CLIDict_Item( sendKeys ),
87 CLIDict_Item( setKeys ),
88 CLIDict_Item( setMod ),
89 { 0, 0, 0 } // Null entry for dictionary end
93 // Which modifier keys are currently pressed
94 // 1=left ctrl, 2=left shift, 4=left alt, 8=left gui
95 // 16=right ctrl, 32=right shift, 64=right alt, 128=right gui
96 uint8_t USBKeys_Modifiers = 0;
97 uint8_t USBKeys_ModifiersCLI = 0; // Separate CLI send buffer
99 // Currently pressed keys, max is defined by USB_MAX_KEY_SEND
100 uint8_t USBKeys_Keys [USB_NKRO_BITFIELD_SIZE_KEYS];
101 uint8_t USBKeys_KeysCLI[USB_NKRO_BITFIELD_SIZE_KEYS]; // Separate CLI send buffer
103 // System Control and Consumer Control 1KRO containers
104 uint8_t USBKeys_SysCtrl;
105 uint16_t USBKeys_ConsCtrl;
107 // The number of keys sent to the usb in the array
108 uint8_t USBKeys_Sent = 0;
109 uint8_t USBKeys_SentCLI = 0;
111 // 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
112 volatile uint8_t USBKeys_LEDs = 0;
114 // Protocol setting from the host.
116 // 1 - NKRO Mode (Default, unless set by a BIOS or boot interface)
117 volatile uint8_t USBKeys_Protocol = 1;
119 // Indicate if USB should send update
120 // OS only needs update if there has been a change in state
121 USBKeyChangeState USBKeys_Changed = USBKeyChangeState_None;
123 // the idle configuration, how often we send the report to the
124 // host (ms * 4) even when it hasn't changed
125 uint8_t USBKeys_Idle_Config = 125;
127 // count until idle timeout
128 uint8_t USBKeys_Idle_Count = 0;
130 // Indicates whether the Output module is fully functional
131 // 0 - Not fully functional, 1 - Fully functional
132 // 0 is often used to show that a USB cable is not plugged in (but has power)
133 volatile uint8_t Output_Available = 0;
135 // Debug control variable for Output modules
136 // 0 - Debug disabled (default)
138 uint8_t Output_DebugMode = 0;
140 // mA - Set by outside module if not using USB (i.e. Interconnect)
141 // Generally set to 100 mA (low power) or 500 mA (high power)
142 uint16_t Output_ExtCurrent_Available = 0;
144 // mA - Set by USB module (if exists)
145 // Initially 100 mA, but may be negotiated higher (e.g. 500 mA)
146 uint16_t Output_USBCurrent_Available = 0;
150 // ----- Capabilities -----
152 // Set Boot Keyboard Protocol
153 void Output_kbdProtocolBoot_capability( uint8_t state, uint8_t stateType, uint8_t *args )
155 // Display capability name
156 if ( stateType == 0xFF && state == 0xFF )
158 print("Output_kbdProtocolBoot()");
162 // Only set if necessary
163 if ( USBKeys_Protocol == 0 )
166 // TODO Analog inputs
167 // Only set on key press
168 if ( stateType != 0x01 )
171 // Flush the key buffers
172 Output_flushBuffers();
174 // Set the keyboard protocol to Boot Mode
175 USBKeys_Protocol = 0;
179 // Set NKRO Keyboard Protocol
180 void Output_kbdProtocolNKRO_capability( uint8_t state, uint8_t stateType, uint8_t *args )
182 // Display capability name
183 if ( stateType == 0xFF && state == 0xFF )
185 print("Output_kbdProtocolNKRO()");
189 // Only set if necessary
190 if ( USBKeys_Protocol == 1 )
193 // TODO Analog inputs
194 // Only set on key press
195 if ( stateType != 0x01 )
198 // Flush the key buffers
199 Output_flushBuffers();
201 // Set the keyboard protocol to NKRO Mode
202 USBKeys_Protocol = 1;
206 // Sends a Consumer Control code to the USB Output buffer
207 void Output_consCtrlSend_capability( uint8_t state, uint8_t stateType, uint8_t *args )
209 // Display capability name
210 if ( stateType == 0xFF && state == 0xFF )
212 print("Output_consCtrlSend(consCode)");
216 // Not implemented in Boot Mode
217 if ( USBKeys_Protocol == 0 )
219 warn_print("Consumer Control is not implemented for Boot Mode");
223 // TODO Analog inputs
224 // Only indicate USB has changed if either a press or release has occured
225 if ( state == 0x01 || state == 0x03 )
226 USBKeys_Changed |= USBKeyChangeState_Consumer;
228 // Only send keypresses if press or hold state
229 if ( stateType == 0x00 && state == 0x03 ) // Release state
231 USBKeys_ConsCtrl = 0;
235 // Set consumer control code
236 USBKeys_ConsCtrl = *(uint16_t*)(&args[0]);
240 // Ignores the given key status update
241 // Used to prevent fall-through, this is the None keyword in KLL
242 void Output_noneSend_capability( uint8_t state, uint8_t stateType, uint8_t *args )
244 // Display capability name
245 if ( stateType == 0xFF && state == 0xFF )
247 print("Output_noneSend()");
251 // Nothing to do, because that's the point :P
255 // Sends a System Control code to the USB Output buffer
256 void Output_sysCtrlSend_capability( uint8_t state, uint8_t stateType, uint8_t *args )
258 // Display capability name
259 if ( stateType == 0xFF && state == 0xFF )
261 print("Output_sysCtrlSend(sysCode)");
265 // Not implemented in Boot Mode
266 if ( USBKeys_Protocol == 0 )
268 warn_print("System Control is not implemented for Boot Mode");
272 // TODO Analog inputs
273 // Only indicate USB has changed if either a press or release has occured
274 if ( state == 0x01 || state == 0x03 )
275 USBKeys_Changed |= USBKeyChangeState_System;
277 // Only send keypresses if press or hold state
278 if ( stateType == 0x00 && state == 0x03 ) // Release state
284 // Set system control code
285 USBKeys_SysCtrl = args[0];
289 // Adds a single USB Code to the USB Output buffer
290 // Argument #1: USB Code
291 void Output_usbCodeSend_capability( uint8_t state, uint8_t stateType, uint8_t *args )
293 // Display capability name
294 if ( stateType == 0xFF && state == 0xFF )
296 print("Output_usbCodeSend(usbCode)");
300 // Depending on which mode the keyboard is in the USB needs Press/Hold/Release events
301 uint8_t keyPress = 0; // Default to key release, only used for NKRO
302 switch ( USBKeys_Protocol )
305 // TODO Analog inputs
306 // Only indicate USB has changed if either a press or release has occured
307 if ( state == 0x01 || state == 0x03 )
308 USBKeys_Changed = USBKeyChangeState_MainKeys;
310 // Only send keypresses if press or hold state
311 if ( stateType == 0x00 && state == 0x03 ) // Release state
315 // Only send press and release events
316 if ( stateType == 0x00 && state == 0x02 ) // Hold state
319 // Determine if setting or unsetting the bitfield (press == set)
320 if ( stateType == 0x00 && state == 0x01 ) // Press state
325 // Get the keycode from arguments
326 uint8_t key = args[0];
328 // Depending on which mode the keyboard is in, USBKeys_Keys array is used differently
329 // Boot mode - Maximum of 6 byte codes
330 // NKRO mode - Each bit of the 26 byte corresponds to a key
331 // Bits 0 - 45 (bytes 0 - 5) correspond to USB Codes 4 - 49 (Main)
332 // Bits 48 - 161 (bytes 6 - 20) correspond to USB Codes 51 - 164 (Secondary)
333 // Bits 168 - 213 (bytes 21 - 26) correspond to USB Codes 176 - 221 (Tertiary)
334 // Bits 214 - 216 unused
335 uint8_t bytePosition = 0;
336 uint8_t byteShift = 0;
337 switch ( USBKeys_Protocol )
340 // Set the modifier bit if this key is a modifier
341 if ( (key & 0xE0) == 0xE0 ) // AND with 0xE0 (Left Ctrl, first modifier)
343 USBKeys_Modifiers |= 1 << (key ^ 0xE0); // Left shift 1 by key XOR 0xE0
348 // USB Key limit reached
349 if ( USBKeys_Sent >= USB_BOOT_MAX_KEYS )
351 warn_print("USB Key limit reached");
355 // Make sure key is within the USB HID range
358 USBKeys_Keys[USBKeys_Sent++] = key;
363 warn_msg("USB Code above 104/0x68 in Boot Mode: ");
371 // Set the modifier bit if this key is a modifier
372 if ( (key & 0xE0) == 0xE0 ) // AND with 0xE0 (Left Ctrl, first modifier)
376 USBKeys_Modifiers |= 1 << (key ^ 0xE0); // Left shift 1 by key XOR 0xE0
380 USBKeys_Modifiers &= ~(1 << (key ^ 0xE0)); // Left shift 1 by key XOR 0xE0
383 USBKeys_Changed |= USBKeyChangeState_Modifiers;
387 else if ( key >= 4 && key <= 49 )
389 // Lookup (otherwise division or multiple checks are needed to do alignment)
390 // Starting at 0th position, each byte has 8 bits, starting at 4th bit
391 uint8_t keyPos = key + (0 * 8 - 4); // Starting position in array, Ignoring 4 keys
402 USBKeys_Changed |= USBKeyChangeState_MainKeys;
405 else if ( key >= 51 && key <= 155 )
407 // Lookup (otherwise division or multiple checks are needed to do alignment)
408 // Starting at 6th byte position, each byte has 8 bits, starting at 51st bit
409 uint8_t keyPos = key + (6 * 8 - 51); // Starting position in array
428 USBKeys_Changed |= USBKeyChangeState_SecondaryKeys;
431 else if ( key >= 157 && key <= 164 )
433 // Lookup (otherwise division or multiple checks are needed to do alignment)
434 uint8_t keyPos = key + (20 * 8 - 157); // Starting position in array, Ignoring 6 keys
440 USBKeys_Changed |= USBKeyChangeState_TertiaryKeys;
443 else if ( key >= 176 && key <= 221 )
445 // Lookup (otherwise division or multiple checks are needed to do alignment)
446 uint8_t keyPos = key + (21 * 8 - 176); // Starting position in array
457 USBKeys_Changed |= USBKeyChangeState_QuartiaryKeys;
460 // This is a special USB Code that internally indicates a "break"
461 // It is used to send "nothing" in order to break up sequences of USB Codes
462 else if ( key == 0x00 )
464 USBKeys_Changed |= USBKeyChangeState_MainKeys;
466 // Also flush out buffers just in case
467 Output_flushBuffers();
473 warn_msg("USB Code not within 4-49 (0x4-0x31), 51-155 (0x33-0x9B), 157-164 (0x9D-0xA4), 176-221 (0xB0-0xDD) or 224-231 (0xE0-0xE7) NKRO Mode: ");
482 USBKeys_Keys[bytePosition] |= (1 << byteShift);
487 USBKeys_Keys[bytePosition] &= ~(1 << byteShift);
495 void Output_flashMode_capability( uint8_t state, uint8_t stateType, uint8_t *args )
497 // Display capability name
498 if ( stateType == 0xFF && state == 0xFF )
500 print("Output_flashMode()");
505 Output_firmwareReload();
510 // ----- Functions -----
513 void Output_flushBuffers()
515 // Zero out USBKeys_Keys array
516 for ( uint8_t c = 0; c < USB_NKRO_BITFIELD_SIZE_KEYS; c++ )
517 USBKeys_Keys[ c ] = 0;
519 // Zero out other key buffers
520 USBKeys_ConsCtrl = 0;
521 USBKeys_Modifiers = 0;
527 inline void Output_setup()
529 // Initialize the USB
530 // If a USB connection does not exist, just ignore it
531 // All usb related functions will non-fatally fail if called
532 // If the USB initialization is delayed, then functionality will just be delayed
535 // Register USB Output CLI dictionary
536 CLI_registerDictionary( outputCLIDict, outputCLIDictName );
539 Output_flushBuffers();
544 inline void Output_send()
547 // Non-standard USB state manipulation, usually does nothing
550 // Boot Mode Only, unset stale keys
551 if ( USBKeys_Protocol == 0 )
552 for ( uint8_t c = USBKeys_Sent; c < USB_BOOT_MAX_KEYS; c++ )
555 // Send keypresses while there are pending changes
556 while ( USBKeys_Changed )
562 // Signal Scan Module we are finished
563 switch ( USBKeys_Protocol )
566 // Clear modifiers only in boot mode
567 USBKeys_Modifiers = 0;
568 Scan_finishedWithOutput( USBKeys_Sent <= USB_BOOT_MAX_KEYS ? USBKeys_Sent : USB_BOOT_MAX_KEYS );
571 Scan_finishedWithOutput( USBKeys_Sent );
577 // Sets the device into firmware reload mode
578 inline void Output_firmwareReload()
584 // USB Input buffer available
585 inline unsigned int Output_availablechar()
587 return usb_serial_available();
591 // USB Get Character from input buffer
592 inline int Output_getchar()
594 // XXX Make sure to check output_availablechar() first! Information is lost with the cast (error codes) (AVR)
595 return (int)usb_serial_getchar();
599 // USB Send Character to output buffer
600 inline int Output_putchar( char c )
602 return usb_serial_putchar( c );
606 // USB Send String to output buffer, null terminated
607 inline int Output_putstr( char* str )
609 #if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
611 #elif defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) || defined(_mk20dx256vlh7_) // ARM
614 // Count characters until NULL character, then send the amount counted
615 while ( str[count] != '\0' )
618 return usb_serial_write( str, count );
623 inline void Output_softReset()
625 usb_device_software_reset();
629 // Update USB current (mA)
630 // Triggers power change event
631 void Output_update_usb_current( unsigned int current )
633 // Only signal if changed
634 if ( current == Output_USBCurrent_Available )
637 // Update USB current
638 Output_USBCurrent_Available = current;
640 unsigned int total_current = Output_current_available();
641 info_msg("USB Available Current Changed. Total Available: ");
642 printInt32( total_current );
645 // Send new total current to the Scan Modules
646 Scan_currentChange( Output_current_available() );
650 // Update external current (mA)
651 // Triggers power change event
652 void Output_update_external_current( unsigned int current )
654 // Only signal if changed
655 if ( current == Output_ExtCurrent_Available )
658 // Update external current
659 Output_ExtCurrent_Available = current;
661 unsigned int total_current = Output_current_available();
662 info_msg("External Available Current Changed. Total Available: ");
663 printInt32( total_current );
666 // Send new total current to the Scan Modules
667 Scan_currentChange( Output_current_available() );
671 // Power/Current Available
672 unsigned int Output_current_available()
674 unsigned int total_current = 0;
676 // Check for USB current source
677 total_current += Output_USBCurrent_Available;
679 // Check for external current source
680 total_current += Output_ExtCurrent_Available;
682 // XXX If the total available current is still 0
683 // Set to 100 mA, which is generally a safe assumption at startup
684 // before we've been able to determine actual available current
685 if ( total_current == 0 )
690 return total_current;
695 // ----- CLI Command Functions -----
697 void cliFunc_kbdProtocol( char* args )
700 info_msg("Keyboard Protocol: ");
701 printInt8( USBKeys_Protocol );
705 void cliFunc_outputDebug( char* args )
707 // Parse number from argument
708 // NOTE: Only first argument is used
711 CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
713 // Default to 1 if no argument is given
714 Output_DebugMode = 1;
716 if ( arg1Ptr[0] != '\0' )
718 Output_DebugMode = (uint16_t)numToInt( arg1Ptr );
723 void cliFunc_readLEDs( char* args )
726 info_msg("LED State: ");
727 printInt8( USBKeys_LEDs );
731 void cliFunc_sendKeys( char* args )
733 // Copy USBKeys_KeysCLI to USBKeys_Keys
734 for ( uint8_t key = 0; key < USBKeys_SentCLI; ++key )
737 //USBKeys_Keys[key] = USBKeys_KeysCLI[key];
739 USBKeys_Sent = USBKeys_SentCLI;
742 USBKeys_Modifiers = USBKeys_ModifiersCLI;
746 void cliFunc_setKeys( char* args )
750 char* arg2Ptr = args;
752 // Parse up to USBKeys_MaxSize args (whichever is least)
753 for ( USBKeys_SentCLI = 0; USBKeys_SentCLI < USB_BOOT_MAX_KEYS; ++USBKeys_SentCLI )
756 CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr );
758 // Stop processing args if no more are found
759 if ( *arg1Ptr == '\0' )
762 // Add the USB code to be sent
764 //USBKeys_KeysCLI[USBKeys_SentCLI] = numToInt( arg1Ptr );
769 void cliFunc_setMod( char* args )
771 // Parse number from argument
772 // NOTE: Only first argument is used
775 CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
777 USBKeys_ModifiersCLI = numToInt( arg1Ptr );