void Connect_send_Idle( uint8_t num )
{
// Wait until the Tx buffers are ready, then lock them
uart_lockBothTx( UART_Slave, UART_Master );
// Send n number of idles to reset link status (if in a bad state)
uint8_t value = 0x16;
for ( uint8_t c = 0; c < num; c++ )
{
Connect_addBytes( &value, 1, UART_Master );
Connect_addBytes( &value, 1, UART_Slave );
}
// Release Tx buffers
uart_unlockTx( UART_Master );
uart_unlockTx( UART_Slave );
}
// Send a remote capability command using capability index
// This may not be what's expected (especially if the firmware is not the same on each node)
// To broadcast to all slave nodes, set id to 255 instead of a specific id
void Connect_send_RemoteCapability( uint8_t id, uint8_t capabilityIndex, uint8_t state, uint8_t stateType, uint8_t numArgs, uint8_t *args )
{
// Prepare header
uint8_t header[] = { 0x16, 0x01, RemoteCapability, id, capabilityIndex, state, stateType, numArgs };
// Ignore current id
if ( id == Connect_id )
return;
// Send towards slave node
if ( id > Connect_id )
{
// Lock slave bound Tx
uart_lockTx( UART_Slave );
// Send header
Connect_addBytes( header, sizeof( header ), UART_Slave );
// Send arguments
Connect_addBytes( args, numArgs, UART_Slave );
// Unlock Tx
uart_unlockTx( UART_Slave );
}
// Send towards master node
if ( id < Connect_id || id == 255 )
{
// Lock slave bound Tx
uart_lockTx( UART_Master );
// Send header
Connect_addBytes( header, sizeof( header ), UART_Master );
// Send arguments
Connect_addBytes( args, numArgs, UART_Master );
// Unlock Tx
uart_unlockTx( UART_Master );
}
}
// id is the currently assigned id to the slave
void Connect_send_IdReport( uint8_t id )
{
// Lock master bound Tx
uart_lockTx( UART_Master );
// Prepare header
uint8_t header[] = { 0x16, 0x01, IdReport, id };
// Send header
Connect_addBytes( header, sizeof( header ), UART_Master );
// Unlock Tx
uart_unlockTx( UART_Master );
}
// id is the value the next slave should enumerate as
void Connect_send_IdEnumeration( uint8_t id )
{
// Lock slave bound Tx
uart_lockTx( UART_Slave );
// Prepare header
uint8_t header[] = { 0x16, 0x01, IdEnumeration, id };
// Send header
Connect_addBytes( header, sizeof( header ), UART_Slave );
// Unlock Tx
uart_unlockTx( UART_Slave );
}
void Connect_send_CurrentEvent( uint16_t current )
{
// Lock master bound Tx
uart_lockTx( UART_Slave );
// Prepare header
uint8_t header[] = { 0x16, 0x01, CurrentEvent, current & 0xFF, (current >> 8) & 0xFF };
// Send header
Connect_addBytes( header, sizeof( header ), UART_Slave );
// Unlock Tx
uart_unlockTx( UART_Slave );
}
void Connect_send_IdRequest()
{
// Lock master bound Tx
uart_lockTx( UART_Master );
// Prepare header
uint8_t header[] = { Command_SYN, SOH, IdRequest };
// Send header
Connect_addBytes( header, sizeof( header ), UART_Master );
// Unlock Tx
uart_unlockTx( UART_Master );
}
// patternLen defines how many bytes should the incrementing pattern have
void Connect_send_CableCheck( uint8_t patternLen )
{
// Wait until the Tx buffers are ready, then lock them
uart_lockBothTx( UART_Master, UART_Slave );
// Prepare header
uint8_t header[] = { 0x16, 0x01, CableCheck, patternLen };
// Send header
Connect_addBytes( header, sizeof( header ), UART_Master );
Connect_addBytes( header, sizeof( header ), UART_Slave );
// Send 0xD2 (11010010) for each argument
uint8_t value = 0xD2;
for ( uint8_t c = 0; c < patternLen; c++ )
{
Connect_addBytes( &value, 1, UART_Master );
Connect_addBytes( &value, 1, UART_Slave );
}
// Release Tx buffers
uart_unlockTx( UART_Master );
uart_unlockTx( UART_Slave );
}
// id is the currently assigned id to the slave
// paramList is an array of [param, value]'s (8 bit values)
// numParams is the number of params to parse from the array
void Connect_send_Animation( uint8_t id, uint8_t *paramList, uint8_t numParams )
{
// Lock slave bound Tx
uart_lockTx( UART_Slave );
// Prepare header
uint8_t header[] = { 0x16, 0x01, Animation, id, numParams };
// Send header
Connect_addBytes( header, sizeof( header ), UART_Slave );
// Send each of the scan codes
Connect_addBytes( paramList, numParams, UART_Slave );
// Unlock Tx
uart_unlockTx( UART_Slave );
}
// id is the currently assigned id to the slave
// scanCodeStateList is an array of [scancode, state]'s (8 bit values)
// numScanCodes is the number of scan codes to parse from array
void Connect_send_ScanCode( uint8_t id, TriggerGuide *scanCodeStateList, uint8_t numScanCodes )
{
// Lock master bound Tx
uart_lockTx( UART_Master );
// Prepare header
uint8_t header[] = { 0x16, 0x01, ScanCode, id, numScanCodes };
// Send header
Connect_addBytes( header, sizeof( header ), UART_Master );
// Send each of the scan codes
Connect_addBytes( (uint8_t*)scanCodeStateList, numScanCodes * TriggerGuideSize, UART_Master );
// Unlock Tx
uart_unlockTx( UART_Master );
}
uint8_t Connect_receive_RemoteCapability( uint8_t byte, uint16_t *pending_bytes, uint8_t uart_num )
{
// Check which byte in the packet we are at
switch ( (*pending_bytes)-- )
{
// Byte count always starts at 0xFFFF
case 0xFFFF: // Device Id
Connect_receive_RemoteCapabilityBuffer.id = byte;
break;
case 0xFFFE: // Capability Index
Connect_receive_RemoteCapabilityBuffer.capabilityIndex = byte;
break;
case 0xFFFD: // State
Connect_receive_RemoteCapabilityBuffer.state = byte;
break;
case 0xFFFC: // StateType
Connect_receive_RemoteCapabilityBuffer.stateType = byte;
break;
case 0xFFFB: // Number of args
Connect_receive_RemoteCapabilityBuffer.numArgs = byte;
*pending_bytes = byte;
break;
default: // Args (# defined by previous byte)
Connect_receive_RemoteCapabilityArgs[
Connect_receive_RemoteCapabilityBuffer.numArgs - *pending_bytes + 1
] = byte;
// If entire packet has been fully received
if ( *pending_bytes == 0 )
{
// Determine if this is the node to run the capability on
// Conditions: Matches or broadcast (0xFF)
if ( Connect_receive_RemoteCapabilityBuffer.id == 0xFF
|| Connect_receive_RemoteCapabilityBuffer.id == Connect_id )
{
extern const Capability CapabilitiesList[]; // See generatedKeymap.h
void (*capability)(uint8_t, uint8_t, uint8_t*) = (void(*)(uint8_t, uint8_t, uint8_t*))(
CapabilitiesList[ Connect_receive_RemoteCapabilityBuffer.capabilityIndex ].func
);
capability(
Connect_receive_RemoteCapabilityBuffer.state,
Connect_receive_RemoteCapabilityBuffer.stateType,
&Connect_receive_RemoteCapabilityArgs[2]
);
}
// If this is not the correct node, keep sending it in the same direction (doesn't matter if more nodes exist)
// or if this is a broadcast
if ( Connect_receive_RemoteCapabilityBuffer.id == 0xFF
|| Connect_receive_RemoteCapabilityBuffer.id != Connect_id )
{
// Prepare outgoing packet
Connect_receive_RemoteCapabilityBuffer.command = RemoteCapability;
// Send to the other UART (not the one receiving the packet from
uint8_t uart_direction = uart_num == UART_Master ? UART_Slave : UART_Master;
// Lock Tx UART
switch ( uart_direction )
{
case UART_Master: uart_lockTx( UART_Master ); break;
case UART_Slave: uart_lockTx( UART_Slave ); break;
}
// Send header
uint8_t header[] = { 0x16, 0x01 };
Connect_addBytes( header, sizeof( header ), uart_direction );
// Send Remote Capability and arguments
Connect_addBytes( (uint8_t*)&Connect_receive_RemoteCapabilityBuffer, sizeof( RemoteCapabilityCommand ), uart_direction );
Connect_addBytes( Connect_receive_RemoteCapabilityArgs, Connect_receive_RemoteCapabilityBuffer.numArgs, uart_direction );
// Unlock Tx UART
switch ( uart_direction )
{
case UART_Master: uart_unlockTx( UART_Master ); break;
case UART_Slave: uart_unlockTx( UART_Slave ); break;
}
}
}
break;
}
// Check whether the scan codes have finished sending
return *pending_bytes == 0 ? 1 : 0;
}
uint8_t Connect_receive_ScanCode( uint8_t byte, uint16_t *pending_bytes, uint8_t uart_num )
{
// Check the directionality
if ( uart_num == UART_Master )
{
erro_print("Invalid ScanCode direction...");
}
// Master node, trigger scan codes
if ( Connect_master ) switch ( (*pending_bytes)-- )
{
// Byte count always starts at 0xFFFF
case 0xFFFF: // Device Id
Connect_receive_ScanCodeDeviceId = byte;
break;
case 0xFFFE: // Number of TriggerGuides in bytes (byte * 3)
*pending_bytes = byte * sizeof( TriggerGuide );
Connect_receive_ScanCodeBufferPos = 0;
break;
default:
// Set the specific TriggerGuide entry
((uint8_t*)&Connect_receive_ScanCodeBuffer)[ Connect_receive_ScanCodeBufferPos++ ] = byte;
// Reset the BufferPos if higher than sizeof TriggerGuide
// And send the TriggerGuide to the Macro Module
if ( Connect_receive_ScanCodeBufferPos >= sizeof( TriggerGuide ) )
{
Connect_receive_ScanCodeBufferPos = 0;
// Adjust ScanCode offset
if ( Connect_receive_ScanCodeDeviceId > 0 )
{
// Check if this node is too large
if ( Connect_receive_ScanCodeDeviceId >= InterconnectNodeMax )
{
warn_msg("Not enough interconnect layout nodes configured: ");
printHex( Connect_receive_ScanCodeDeviceId );
print( NL );
break;
}
// This variable is in generatedKeymaps.h
extern uint8_t InterconnectOffsetList[];
Connect_receive_ScanCodeBuffer.scanCode = Connect_receive_ScanCodeBuffer.scanCode + InterconnectOffsetList[ Connect_receive_ScanCodeDeviceId - 1 ];
}
// ScanCode receive debug
if ( Connect_debug )
{
dbug_msg("");
printHex( Connect_receive_ScanCodeBuffer.type );
print(" ");
printHex( Connect_receive_ScanCodeBuffer.state );
print(" ");
printHex( Connect_receive_ScanCodeBuffer.scanCode );
print( NL );
}
// Send ScanCode to macro module
Macro_interconnectAdd( &Connect_receive_ScanCodeBuffer );
}
break;
}
// Propagate ScanCode packet
// XXX It would be safer to buffer the scancodes first, before transmitting the packet -Jacob
// The current method is the more efficient/aggressive, but could cause issues if there were errors during transmission
else switch ( (*pending_bytes)-- )
{
// Byte count always starts at 0xFFFF
case 0xFFFF: // Device Id
{
Connect_receive_ScanCodeDeviceId = byte;
// Lock the master Tx buffer
uart_lockTx( UART_Master );
// Send header + Id byte
uint8_t header[] = { 0x16, 0x01, ScanCode, byte };
Connect_addBytes( header, sizeof( header ), UART_Master );
break;
}
case 0xFFFE: // Number of TriggerGuides in bytes
*pending_bytes = byte * sizeof( TriggerGuide );
Connect_receive_ScanCodeBufferPos = 0;
// Pass through byte
Connect_addBytes( &byte, 1, UART_Master );
break;
default:
// Pass through byte
Connect_addBytes( &byte, 1, UART_Master );
// Unlock Tx Buffer after sending last byte
if ( *pending_bytes == 0 )
uart_unlockTx( UART_Master );
break;
}
// Check whether the scan codes have finished sending
return *pending_bytes == 0 ? 1 : 0;
}