1 /* Copyright (C) 2011-2014 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_)
37 #include "arm/usb_dev.h"
38 #include "arm/usb_keyboard.h"
39 #include "arm/usb_serial.h"
43 #include "output_com.h"
47 // ----- Function Declarations -----
49 void cliFunc_kbdProtocol( char* args );
50 void cliFunc_readLEDs ( char* args );
51 void cliFunc_sendKeys ( char* args );
52 void cliFunc_setKeys ( char* args );
53 void cliFunc_setMod ( char* args );
56 // ----- Variables -----
58 // Output Module command dictionary
59 const char outputCLIDictName[] = "USB Module Commands";
60 const CLIDictItem outputCLIDict[] = {
61 { "kbdProtocol", "Keyboard Protocol Mode: 0 - Boot, 1 - OS/NKRO Mode", cliFunc_kbdProtocol },
62 { "readLEDs", "Read LED byte:" NL "\t\t1 NumLck, 2 CapsLck, 4 ScrlLck, 16 Kana, etc.", cliFunc_readLEDs },
63 { "sendKeys", "Send the prepared list of USB codes and modifier byte.", cliFunc_sendKeys },
64 { "setKeys", "Prepare a space separated list of USB codes (decimal). Waits until \033[35msendKeys\033[0m.", cliFunc_setKeys },
65 { "setMod", "Set the modfier byte:" NL "\t\t1 LCtrl, 2 LShft, 4 LAlt, 8 LGUI, 16 RCtrl, 32 RShft, 64 RAlt, 128 RGUI", cliFunc_setMod },
66 { 0, 0, 0 } // Null entry for dictionary end
70 // Which modifier keys are currently pressed
71 // 1=left ctrl, 2=left shift, 4=left alt, 8=left gui
72 // 16=right ctrl, 32=right shift, 64=right alt, 128=right gui
73 uint8_t USBKeys_Modifiers = 0;
74 uint8_t USBKeys_ModifiersCLI = 0; // Separate CLI send buffer
76 // Currently pressed keys, max is defined by USB_MAX_KEY_SEND
77 uint8_t USBKeys_Array [USB_MAX_KEY_SEND];
78 uint8_t USBKeys_ArrayCLI[USB_MAX_KEY_SEND]; // Separate CLI send buffer
80 // The number of keys sent to the usb in the array
81 uint8_t USBKeys_Sent = 0;
82 uint8_t USBKeys_SentCLI = 0;
84 // 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
85 volatile uint8_t USBKeys_LEDs = 0;
87 // Protocol setting from the host.
88 // 0 - Boot Mode (Default, until set by the host)
90 volatile uint8_t USBKeys_Protocol = 1;
92 // Indicate if USB should send update
93 // OS only needs update if there has been a change in state
94 uint8_t USBKeys_Changed = 0;
96 // the idle configuration, how often we send the report to the
97 // host (ms * 4) even when it hasn't changed
98 uint8_t USBKeys_Idle_Config = 125;
100 // count until idle timeout
101 uint8_t USBKeys_Idle_Count = 0;
104 // ----- Capabilities -----
106 // Adds a single USB Code to the USB Output buffer
107 // Argument #1: USB Code
108 void Output_usbCodeSend_capability( uint8_t state, uint8_t stateType, uint8_t *args )
110 // Display capability name
111 if ( stateType == 0xFF && state == 0xFF )
113 print("Output_usbCodeSend(usbCode)");
117 // TODO Analog inputs
118 // Only indicate USB has changed if either a press or release has occured
119 if ( state == 0x01 || state == 0x03 )
122 // Only send keypresses if press or hold state
123 if ( stateType == 0x00 && state == 0x03 ) // Release state
126 // Get the keycode from arguments
127 uint8_t key = args[0];
129 // Set the modifier bit if this key is a modifier
130 if ( (key & 0xE0) == 0xE0 ) // AND with 0xE0 (Left Ctrl, first modifier)
132 USBKeys_Modifiers |= 1 << (key ^ 0xE0); // Left shift 1 by key XOR 0xE0
137 // USB Key limit reached (important for Boot Mode)
138 if ( USBKeys_Sent >= USBKeys_MaxSize )
140 warn_msg("USB Key limit reached");
145 USBKeys_Array[USBKeys_Sent++] = key;
151 // ----- Functions -----
154 inline void Output_setup()
156 // Initialize the USB, and then wait for the host to set configuration.
157 // If the Teensy is powered without a PC connected to the USB port,
158 // this will wait forever.
161 while ( !usb_configured() ) /* wait */ ;
163 // Register USB Output CLI dictionary
164 CLI_registerDictionary( outputCLIDict, outputCLIDictName );
166 // Wait an extra second for the PC's operating system to load drivers
167 // and do whatever it does to actually be ready for input
168 //_delay_ms(1000); // TODO (is this actually necessary?)
173 inline void Output_send(void)
175 // Don't send update if USB has not changed
176 if ( !USBKeys_Changed )
178 // Clear modifiers and keys
179 USBKeys_Modifiers = 0;
186 // TODO undo potentially old keys
187 for ( uint8_t c = USBKeys_Sent; c < USBKeys_MaxSize; c++ )
188 USBKeys_Array[c] = 0;
193 // Clear modifiers and keys
194 USBKeys_Modifiers = 0;
197 // Signal Scan Module we are finished
198 Scan_finishedWithOutput( USBKeys_Sent <= USBKeys_MaxSize ? USBKeys_Sent : USBKeys_MaxSize );
202 // Sets the device into firmware reload mode
203 inline void Output_firmwareReload()
209 // USB Input buffer available
210 inline unsigned int Output_availablechar()
212 return usb_serial_available();
216 // USB Get Character from input buffer
217 inline int Output_getchar()
219 // XXX Make sure to check output_availablechar() first! Information is lost with the cast (error codes) (AVR)
220 return (int)usb_serial_getchar();
224 // USB Send Character to output buffer
225 inline int Output_putchar( char c )
227 return usb_serial_putchar( c );
231 // USB Send String to output buffer, null terminated
232 inline int Output_putstr( char* str )
234 #if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
236 #elif defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) // ARM
239 // Count characters until NULL character, then send the amount counted
240 while ( str[count] != '\0' )
243 return usb_serial_write( str, count );
248 inline void Output_softReset()
250 usb_device_software_reset();
254 // ----- CLI Command Functions -----
256 void cliFunc_kbdProtocol( char* args )
259 info_msg("Keyboard Protocol: ");
260 printInt8( USBKeys_Protocol );
264 void cliFunc_readLEDs( char* args )
267 info_msg("LED State: ");
268 printInt8( USBKeys_LEDs );
272 void cliFunc_sendKeys( char* args )
274 // Copy USBKeys_ArrayCLI to USBKeys_Array
275 for ( uint8_t key = 0; key < USBKeys_SentCLI; ++key )
277 USBKeys_Array[key] = USBKeys_ArrayCLI[key];
279 USBKeys_Sent = USBKeys_SentCLI;
282 USBKeys_Modifiers = USBKeys_ModifiersCLI;
286 void cliFunc_setKeys( char* args )
290 char* arg2Ptr = args;
292 // Parse up to USBKeys_MaxSize args (whichever is least)
293 for ( USBKeys_SentCLI = 0; USBKeys_SentCLI < USBKeys_MaxSize; ++USBKeys_SentCLI )
296 CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr );
298 // Stop processing args if no more are found
299 if ( *arg1Ptr == '\0' )
302 // Add the USB code to be sent
303 USBKeys_ArrayCLI[USBKeys_SentCLI] = numToInt( arg1Ptr );
308 void cliFunc_setMod( char* args )
310 // Parse number from argument
311 // NOTE: Only first argument is used
314 CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
316 USBKeys_ModifiersCLI = numToInt( arg1Ptr );