-/* Copyright (C) 2011-2014 by Jacob Alexander
+/* Copyright (C) 2011-2016 by Jacob Alexander
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
// USB Includes
#if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_)
#include "avr/usb_keyboard_serial.h"
-#elif defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_)
+#elif defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) || defined(_mk20dx256vlh7_)
#include "arm/usb_dev.h"
#include "arm/usb_keyboard.h"
#include "arm/usb_serial.h"
// ----- Function Declarations -----
void cliFunc_kbdProtocol( char* args );
+void cliFunc_outputDebug( char* args );
void cliFunc_readLEDs ( char* args );
void cliFunc_sendKeys ( char* args );
void cliFunc_setKeys ( char* args );
// ----- Variables -----
// Output Module command dictionary
-const char outputCLIDictName[] = "USB Module Commands";
-const CLIDictItem outputCLIDict[] = {
- { "kbdProtocol", "Keyboard Protocol Mode: 0 - Boot, 1 - OS/NKRO Mode", cliFunc_kbdProtocol },
- { "readLEDs", "Read LED byte:" NL "\t\t1 NumLck, 2 CapsLck, 4 ScrlLck, 16 Kana, etc.", cliFunc_readLEDs },
- { "sendKeys", "Send the prepared list of USB codes and modifier byte.", cliFunc_sendKeys },
- { "setKeys", "Prepare a space separated list of USB codes (decimal). Waits until \033[35msendKeys\033[0m.", cliFunc_setKeys },
- { "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 },
+CLIDict_Entry( kbdProtocol, "Keyboard Protocol Mode: 0 - Boot, 1 - OS/NKRO Mode" );
+CLIDict_Entry( outputDebug, "Toggle Output Debug mode." );
+CLIDict_Entry( readLEDs, "Read LED byte:" NL "\t\t1 NumLck, 2 CapsLck, 4 ScrlLck, 16 Kana, etc." );
+CLIDict_Entry( sendKeys, "Send the prepared list of USB codes and modifier byte." );
+CLIDict_Entry( setKeys, "Prepare a space separated list of USB codes (decimal). Waits until \033[35msendKeys\033[0m." );
+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" );
+
+CLIDict_Def( outputCLIDict, "USB Module Commands" ) = {
+ CLIDict_Item( kbdProtocol ),
+ CLIDict_Item( outputDebug ),
+ CLIDict_Item( readLEDs ),
+ CLIDict_Item( sendKeys ),
+ CLIDict_Item( setKeys ),
+ CLIDict_Item( setMod ),
{ 0, 0, 0 } // Null entry for dictionary end
};
// Which modifier keys are currently pressed
// 1=left ctrl, 2=left shift, 4=left alt, 8=left gui
// 16=right ctrl, 32=right shift, 64=right alt, 128=right gui
- uint8_t USBKeys_Modifiers = 0;
- uint8_t USBKeys_ModifiersCLI = 0; // Separate CLI send buffer
+uint8_t USBKeys_Modifiers = 0;
+uint8_t USBKeys_ModifiersCLI = 0; // Separate CLI send buffer
// Currently pressed keys, max is defined by USB_MAX_KEY_SEND
- uint8_t USBKeys_Keys [USB_NKRO_BITFIELD_SIZE_KEYS];
- uint8_t USBKeys_KeysCLI[USB_NKRO_BITFIELD_SIZE_KEYS]; // Separate CLI send buffer
+uint8_t USBKeys_Keys [USB_NKRO_BITFIELD_SIZE_KEYS];
+uint8_t USBKeys_KeysCLI[USB_NKRO_BITFIELD_SIZE_KEYS]; // Separate CLI send buffer
// System Control and Consumer Control 1KRO containers
- uint8_t USBKeys_SysCtrl;
- uint16_t USBKeys_ConsCtrl;
+uint8_t USBKeys_SysCtrl;
+uint16_t USBKeys_ConsCtrl;
// The number of keys sent to the usb in the array
- uint8_t USBKeys_Sent = 0;
- uint8_t USBKeys_SentCLI = 0;
+uint8_t USBKeys_Sent = 0;
+uint8_t USBKeys_SentCLI = 0;
// 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
volatile uint8_t USBKeys_LEDs = 0;
// the idle configuration, how often we send the report to the
// host (ms * 4) even when it hasn't changed
- uint8_t USBKeys_Idle_Config = 125;
+uint8_t USBKeys_Idle_Config = 125;
// count until idle timeout
- uint8_t USBKeys_Idle_Count = 0;
+uint8_t USBKeys_Idle_Count = 0;
+
+// Indicates whether the Output module is fully functional
+// 0 - Not fully functional, 1 - Fully functional
+// 0 is often used to show that a USB cable is not plugged in (but has power)
+volatile uint8_t Output_Available = 0;
+
+// Debug control variable for Output modules
+// 0 - Debug disabled (default)
+// 1 - Debug enabled
+uint8_t Output_DebugMode = 0;
+
+// mA - Set by outside module if not using USB (i.e. Interconnect)
+// Generally set to 100 mA (low power) or 500 mA (high power)
+uint16_t Output_ExtCurrent_Available = 0;
+
+// mA - Set by USB module (if exists)
+// Initially 100 mA, but may be negotiated higher (e.g. 500 mA)
+uint16_t Output_USBCurrent_Available = 0;
// ----- Capabilities -----
+// Set Boot Keyboard Protocol
+void Output_kbdProtocolBoot_capability( uint8_t state, uint8_t stateType, uint8_t *args )
+{
+ // Display capability name
+ if ( stateType == 0xFF && state == 0xFF )
+ {
+ print("Output_kbdProtocolBoot()");
+ return;
+ }
+
+ // Only set if necessary
+ if ( USBKeys_Protocol == 0 )
+ return;
+
+ // TODO Analog inputs
+ // Only set on key press
+ if ( stateType != 0x01 )
+ return;
+
+ // Flush the key buffers
+ Output_flushBuffers();
+
+ // Set the keyboard protocol to Boot Mode
+ USBKeys_Protocol = 0;
+}
+
+
+// Set NKRO Keyboard Protocol
+void Output_kbdProtocolNKRO_capability( uint8_t state, uint8_t stateType, uint8_t *args )
+{
+ // Display capability name
+ if ( stateType == 0xFF && state == 0xFF )
+ {
+ print("Output_kbdProtocolNKRO()");
+ return;
+ }
+
+ // Only set if necessary
+ if ( USBKeys_Protocol == 1 )
+ return;
+
+ // TODO Analog inputs
+ // Only set on key press
+ if ( stateType != 0x01 )
+ return;
+
+ // Flush the key buffers
+ Output_flushBuffers();
+
+ // Set the keyboard protocol to NKRO Mode
+ USBKeys_Protocol = 1;
+}
+
+
// Sends a Consumer Control code to the USB Output buffer
void Output_consCtrlSend_capability( uint8_t state, uint8_t stateType, uint8_t *args )
{
// Only send keypresses if press or hold state
if ( stateType == 0x00 && state == 0x03 ) // Release state
+ {
+ USBKeys_ConsCtrl = 0;
return;
+ }
// Set consumer control code
USBKeys_ConsCtrl = *(uint16_t*)(&args[0]);
}
+// Ignores the given key status update
+// Used to prevent fall-through, this is the None keyword in KLL
+void Output_noneSend_capability( uint8_t state, uint8_t stateType, uint8_t *args )
+{
+ // Display capability name
+ if ( stateType == 0xFF && state == 0xFF )
+ {
+ print("Output_noneSend()");
+ return;
+ }
+
+ // Nothing to do, because that's the point :P
+}
+
+
// Sends a System Control code to the USB Output buffer
void Output_sysCtrlSend_capability( uint8_t state, uint8_t stateType, uint8_t *args )
{
// Only send keypresses if press or hold state
if ( stateType == 0x00 && state == 0x03 ) // Release state
+ {
+ USBKeys_SysCtrl = 0;
return;
+ }
// Set system control code
USBKeys_SysCtrl = args[0];
// Depending on which mode the keyboard is in, USBKeys_Keys array is used differently
// Boot mode - Maximum of 6 byte codes
// NKRO mode - Each bit of the 26 byte corresponds to a key
- // Bits 0 - 160 (first 20 bytes) correspond to USB Codes 4 - 164
- // Bits 161 - 205 (last 6 bytes) correspond to USB Codes 176 - 221
- // Bits 206 - 208 (last byte) correspond to the 3 padded bits in USB (unused)
+ // Bits 0 - 45 (bytes 0 - 5) correspond to USB Codes 4 - 49 (Main)
+ // Bits 48 - 161 (bytes 6 - 20) correspond to USB Codes 51 - 164 (Secondary)
+ // Bits 168 - 213 (bytes 21 - 26) correspond to USB Codes 176 - 221 (Tertiary)
+ // Bits 214 - 216 unused
uint8_t bytePosition = 0;
uint8_t byteShift = 0;
switch ( USBKeys_Protocol )
USBKeys_Changed |= USBKeyChangeState_Modifiers;
break;
}
- // First 20 bytes
- else if ( key >= 4 && key <= 164 )
+ // First 6 bytes
+ else if ( key >= 4 && key <= 49 )
{
// Lookup (otherwise division or multiple checks are needed to do alignment)
- uint8_t keyPos = key - 4; // Starting position in array
+ // Starting at 0th position, each byte has 8 bits, starting at 4th bit
+ uint8_t keyPos = key + (0 * 8 - 4); // Starting position in array, Ignoring 4 keys
switch ( keyPos )
{
byteLookup( 0 );
byteLookup( 3 );
byteLookup( 4 );
byteLookup( 5 );
+ }
+
+ USBKeys_Changed |= USBKeyChangeState_MainKeys;
+ }
+ // Next 14 bytes
+ else if ( key >= 51 && key <= 155 )
+ {
+ // Lookup (otherwise division or multiple checks are needed to do alignment)
+ // Starting at 6th byte position, each byte has 8 bits, starting at 51st bit
+ uint8_t keyPos = key + (6 * 8 - 51); // Starting position in array
+ switch ( keyPos )
+ {
byteLookup( 6 );
byteLookup( 7 );
byteLookup( 8 );
byteLookup( 19 );
}
- USBKeys_Changed |= USBKeyChangeState_MainKeys;
+ USBKeys_Changed |= USBKeyChangeState_SecondaryKeys;
+ }
+ // Next byte
+ else if ( key >= 157 && key <= 164 )
+ {
+ // Lookup (otherwise division or multiple checks are needed to do alignment)
+ uint8_t keyPos = key + (20 * 8 - 157); // Starting position in array, Ignoring 6 keys
+ switch ( keyPos )
+ {
+ byteLookup( 20 );
+ }
+
+ USBKeys_Changed |= USBKeyChangeState_TertiaryKeys;
}
// Last 6 bytes
else if ( key >= 176 && key <= 221 )
{
// Lookup (otherwise division or multiple checks are needed to do alignment)
- uint8_t keyPos = key - 176; // Starting position in array
+ uint8_t keyPos = key + (21 * 8 - 176); // Starting position in array
switch ( keyPos )
{
- byteLookup( 20 );
byteLookup( 21 );
byteLookup( 22 );
byteLookup( 23 );
byteLookup( 24 );
byteLookup( 25 );
+ byteLookup( 26 );
}
- USBKeys_Changed |= USBKeyChangeState_SecondaryKeys;
+ USBKeys_Changed |= USBKeyChangeState_QuartiaryKeys;
+ }
+ // Received 0x00
+ // This is a special USB Code that internally indicates a "break"
+ // It is used to send "nothing" in order to break up sequences of USB Codes
+ else if ( key == 0x00 )
+ {
+ USBKeys_Changed |= USBKeyChangeState_MainKeys;
+
+ // Also flush out buffers just in case
+ Output_flushBuffers();
+ break;
}
// Invalid key
else
{
- warn_msg("USB Code not within 4-164 (0x4-0xA4) or 176-221 (0xB0-0xDD) NKRO Mode: ");
+ 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: ");
printHex( key );
print( NL );
break;
}
}
+void Output_flashMode_capability( uint8_t state, uint8_t stateType, uint8_t *args )
+{
+ // Display capability name
+ if ( stateType == 0xFF && state == 0xFF )
+ {
+ print("Output_flashMode()");
+ return;
+ }
+
+ // Start flash mode
+ Output_firmwareReload();
+}
+
// ----- Functions -----
+// Flush Key buffers
+void Output_flushBuffers()
+{
+ // Zero out USBKeys_Keys array
+ for ( uint8_t c = 0; c < USB_NKRO_BITFIELD_SIZE_KEYS; c++ )
+ USBKeys_Keys[ c ] = 0;
+
+ // Zero out other key buffers
+ USBKeys_ConsCtrl = 0;
+ USBKeys_Modifiers = 0;
+ USBKeys_SysCtrl = 0;
+}
+
+
// USB Module Setup
inline void Output_setup()
{
- // Initialize the USB, and then wait for the host to set configuration.
- // This will hang forever if USB does not initialize
+ // Initialize the USB
+ // If a USB connection does not exist, just ignore it
+ // All usb related functions will non-fatally fail if called
+ // If the USB initialization is delayed, then functionality will just be delayed
usb_init();
- while ( !usb_configured() );
-
// Register USB Output CLI dictionary
CLI_registerDictionary( outputCLIDict, outputCLIDictName );
- // Zero out USBKeys_Keys array
- for ( uint8_t c = 0; c < USB_NKRO_BITFIELD_SIZE_KEYS; c++ )
- USBKeys_Keys[ c ] = 0;
+ // Flush key buffers
+ Output_flushBuffers();
}
// USB Data Send
inline void Output_send()
{
- // Don't send update if USB has not changed
- if ( !USBKeys_Changed )
- {
- // Clear modifiers and keys
- USBKeys_Modifiers = 0;
- USBKeys_Sent = 0;
-
- return;
- }
+ // USB status checks
+ // Non-standard USB state manipulation, usually does nothing
+ usb_device_check();
// Boot Mode Only, unset stale keys
if ( USBKeys_Protocol == 0 )
for ( uint8_t c = USBKeys_Sent; c < USB_BOOT_MAX_KEYS; c++ )
USBKeys_Keys[c] = 0;
- // Send keypresses
+ // Send keypresses while there are pending changes
while ( USBKeys_Changed )
usb_keyboard_send();
- // Clear modifiers and keys
- USBKeys_Modifiers = 0;
- USBKeys_Sent = 0;
- USBKeys_Changed = USBKeyChangeState_None;
+ // Clear keys sent
+ USBKeys_Sent = 0;
// Signal Scan Module we are finished
switch ( USBKeys_Protocol )
{
case 0: // Boot Mode
+ // Clear modifiers only in boot mode
+ USBKeys_Modifiers = 0;
Scan_finishedWithOutput( USBKeys_Sent <= USB_BOOT_MAX_KEYS ? USBKeys_Sent : USB_BOOT_MAX_KEYS );
break;
case 1: // NKRO Mode
{
#if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
uint16_t count = 0;
-#elif defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) // ARM
+#elif defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) || defined(_mk20dx256vlh7_) // ARM
uint32_t count = 0;
#endif
// Count characters until NULL character, then send the amount counted
}
+// Update USB current (mA)
+// Triggers power change event
+void Output_update_usb_current( unsigned int current )
+{
+ // Only signal if changed
+ if ( current == Output_USBCurrent_Available )
+ return;
+
+ // Update USB current
+ Output_USBCurrent_Available = current;
+
+ unsigned int total_current = Output_current_available();
+ info_msg("USB Available Current Changed. Total Available: ");
+ printInt32( total_current );
+ print(" mA" NL);
+
+ // Send new total current to the Scan Modules
+ Scan_currentChange( Output_current_available() );
+}
+
+
+// Update external current (mA)
+// Triggers power change event
+void Output_update_external_current( unsigned int current )
+{
+ // Only signal if changed
+ if ( current == Output_ExtCurrent_Available )
+ return;
+
+ // Update external current
+ Output_ExtCurrent_Available = current;
+
+ unsigned int total_current = Output_current_available();
+ info_msg("External Available Current Changed. Total Available: ");
+ printInt32( total_current );
+ print(" mA" NL);
+
+ // Send new total current to the Scan Modules
+ Scan_currentChange( Output_current_available() );
+}
+
+
+// Power/Current Available
+unsigned int Output_current_available()
+{
+ unsigned int total_current = 0;
+
+ // Check for USB current source
+ total_current += Output_USBCurrent_Available;
+
+ // Check for external current source
+ total_current += Output_ExtCurrent_Available;
+
+ // XXX If the total available current is still 0
+ // Set to 100 mA, which is generally a safe assumption at startup
+ // before we've been able to determine actual available current
+ if ( total_current == 0 )
+ {
+ total_current = 100;
+ }
+
+ return total_current;
+}
+
+
+
// ----- CLI Command Functions -----
void cliFunc_kbdProtocol( char* args )
}
+void cliFunc_outputDebug( char* args )
+{
+ // Parse number from argument
+ // NOTE: Only first argument is used
+ char* arg1Ptr;
+ char* arg2Ptr;
+ CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
+
+ // Default to 1 if no argument is given
+ Output_DebugMode = 1;
+
+ if ( arg1Ptr[0] != '\0' )
+ {
+ Output_DebugMode = (uint16_t)numToInt( arg1Ptr );
+ }
+}
+
+
void cliFunc_readLEDs( char* args )
{
print( NL );