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>
30 #include <scan_loop.h>
33 #if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_)
34 #include "avr/usb_keyboard_serial.h"
35 #elif defined(_mk20dx128_) || defined(_mk20dx256_)
36 #include "arm/usb_keyboard.h"
37 #include "arm/usb_dev.h"
41 #include "output_com.h"
45 // ----- Function Declarations -----
47 void cliFunc_readLEDs ( char* args );
48 void cliFunc_sendKeys ( char* args );
49 void cliFunc_setKeys ( char* args );
50 void cliFunc_setLEDs ( char* args );
51 void cliFunc_setMod ( char* args );
54 // ----- Variables -----
56 // Output Module command dictionary
57 char* outputCLIDictName = "USB Module Commands";
58 CLIDictItem outputCLIDict[] = {
59 { "readLEDs", "Read LED byte. See \033[35msetLEDs\033[0m.", cliFunc_readLEDs },
60 { "sendKeys", "Send the prepared list of USB codes and modifier byte.", cliFunc_sendKeys },
61 { "setKeys", "Prepare a space separated list of USB codes (decimal). Waits until \033[35msendKeys\033[0m.", cliFunc_setKeys },
62 { "setLEDs", "Set LED byte: 1 NumLck, 2 CapsLck, 4 ScrlLck, 16 Kana, etc.", cliFunc_setLEDs },
63 { "setMod", "Set the modfier byte: 1 LCtrl, 2 LShft, 4 LAlt, 8 LGUI, 16 RCtrl, 32 RShft, 64 RAlt, 128 RGUI", cliFunc_setMod },
64 { 0, 0, 0 } // Null entry for dictionary end
68 // Which modifier keys are currently pressed
69 // 1=left ctrl, 2=left shift, 4=left alt, 8=left gui
70 // 16=right ctrl, 32=right shift, 64=right alt, 128=right gui
71 uint8_t USBKeys_Modifiers = 0;
72 uint8_t USBKeys_ModifiersCLI = 0; // Separate CLI send buffer
74 // Currently pressed keys, max is defined by USB_MAX_KEY_SEND
75 uint8_t USBKeys_Array [USB_MAX_KEY_SEND];
76 uint8_t USBKeys_ArrayCLI[USB_MAX_KEY_SEND]; // Separate CLI send buffer
78 // The number of keys sent to the usb in the array
79 uint8_t USBKeys_Sent = 0;
80 uint8_t USBKeys_SentCLI = 0;
82 // 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
83 volatile uint8_t USBKeys_LEDs = 0;
85 // protocol setting from the host. We use exactly the same report
86 // either way, so this variable only stores the setting since we
87 // are required to be able to report which setting is in use.
88 uint8_t USBKeys_Protocol = 1;
90 // the idle configuration, how often we send the report to the
91 // host (ms * 4) even when it hasn't changed
92 uint8_t USBKeys_Idle_Config = 125;
94 // count until idle timeout
95 uint8_t USBKeys_Idle_Count = 0;
98 // ----- Functions -----
101 inline void Output_setup()
103 // Initialize the USB, and then wait for the host to set configuration.
104 // If the Teensy is powered without a PC connected to the USB port,
105 // this will wait forever.
107 while ( !usb_configured() ) /* wait */ ;
109 // Register USB Output CLI dictionary
110 CLI_registerDictionary( outputCLIDict, outputCLIDictName );
112 // Wait an extra second for the PC's operating system to load drivers
113 // and do whatever it does to actually be ready for input
114 //_delay_ms(1000); // TODO (is this actually necessary?)
119 inline void Output_send(void)
121 // TODO undo potentially old keys
122 for ( uint8_t c = USBKeys_Sent; c < USBKeys_MaxSize; c++ )
123 USBKeys_Array[c] = 0;
128 // Clear modifiers and keys
129 USBKeys_Modifiers = 0;
132 // Signal Scan Module we are finishedA
133 Scan_finishedWithUSBBuffer( USBKeys_Sent <= USBKeys_MaxSize ? USBKeys_Sent : USBKeys_MaxSize );
137 // Sets the device into firmware reload mode
138 inline void Output_firmwareReload()
140 #if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_)
142 #elif defined(_mk20dx128_) || defined(_mk20dx256_)
148 // USB Input buffer available
149 inline unsigned int Output_availablechar()
151 return usb_serial_available();
155 // USB Get Character from input buffer
156 inline int Output_getchar()
158 #if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_)
159 // XXX Make sure to check output_availablechar() first! Information is lost with the cast (error codes)
160 return (int)usb_serial_getchar();
161 #elif defined(_mk20dx128_) || defined(_mk20dx256_)
162 return usb_serial_getchar();
167 // USB Send Character to output buffer
168 inline int Output_putchar( char c )
170 return usb_serial_putchar( c );
174 // USB Send String to output buffer, null terminated
175 inline int Output_putstr( char* str )
177 #if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
179 #elif defined(_mk20dx128_) || defined(_mk20dx256_) // ARM
182 // Count characters until NULL character, then send the amount counted
183 while ( str[count] != '\0' )
186 return usb_serial_write( str, count );
191 inline void Output_softReset()
193 #if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_)
194 usb_debug_software_reset();
195 #elif defined(_mk20dx128_) || defined(_mk20dx256_)
201 // ----- CLI Command Functions -----
203 void cliFunc_readLEDs( char* args )
206 info_msg("LED State: ");
207 printInt8( USBKeys_LEDs );
211 void cliFunc_sendKeys( char* args )
213 // Copy USBKeys_ArrayCLI to USBKeys_Array
214 for ( uint8_t key = 0; key < USBKeys_SentCLI; ++key )
216 USBKeys_Array[key] = USBKeys_ArrayCLI[key];
218 USBKeys_Sent = USBKeys_SentCLI;
221 USBKeys_Modifiers = USBKeys_ModifiersCLI;
225 void cliFunc_setKeys( char* args )
229 char* arg2Ptr = args;
231 // Parse up to USBKeys_MaxSize args (whichever is least)
232 for ( USBKeys_SentCLI = 0; USBKeys_SentCLI < USBKeys_MaxSize; ++USBKeys_SentCLI )
235 CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr );
237 // Stop processing args if no more are found
238 if ( *arg1Ptr == '\0' )
241 // Add the USB code to be sent
242 USBKeys_ArrayCLI[USBKeys_SentCLI] = decToInt( arg1Ptr );
247 void cliFunc_setLEDs( char* args )
249 // Parse number from argument
250 // NOTE: Only first argument is used
253 CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
255 USBKeys_LEDs = decToInt( arg1Ptr );
259 void cliFunc_setMod( char* args )
261 // Parse number from argument
262 // NOTE: Only first argument is used
265 CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
267 USBKeys_ModifiersCLI = decToInt( arg1Ptr );