-/* Copyright (C) 2012,2014 by Jacob Alexander
+/* Copyright (C) 2012,2014,2016 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
#include <Lib/ScanLib.h>
// Project Includes
+#include <kll.h>
+#include <kll_defs.h>
#include <led.h>
+#include <macro.h>
#include <print.h>
// Local Includes
+// ----- Enums -----
+
+// Keypress States
+typedef enum KeyPosition {
+ KeyState_Off = 0,
+ KeyState_Press = 1,
+ KeyState_Hold = 2,
+ KeyState_Release = 3,
+ KeyState_Invalid,
+} KeyPosition;
+
+
+
// ----- Variables -----
// Buffer used to inform the macro processing module which keys have been detected as pressed
// ----- Interrupt Functions -----
// USART Receive Buffer Full Interrupt
+#if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
ISR(USART1_RX_vect)
+#elif defined(_mk20dx128_) || defined(_mk20dx256_) // ARM
+void uart0_status_isr()
+#endif
{
cli(); // Disable Interrupts
uint8_t keyValue = 0x00;
uint8_t keyState = 0x00;
+#if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
// Read the scancode packet from the USART (1st to 8th bits)
keyValue = UDR1;
// Read the release/press bit (9th bit) XXX Unnecessary, and wrong it seems, parity bit? or something else?
keyState = UCSR1B & 0x02;
+#elif defined(_mk20dx128_) || defined(_mk20dx256_) // ARM
+ // UART0_S1 must be read for the interrupt to be cleared
+ if ( UART0_S1 & UART_S1_RDRF )
+ {
+ // Only doing single byte FIFO here
+ keyValue = UART0_D;
+ }
+#endif
// High bit of keyValue, also represents press/release
keyState = keyValue & 0x80 ? 0x00 : 0x02;
{
case 0x00: // Released
dPrintStrs( tmpStr, "R " ); // Debug
-
- // Remove key from press buffer
- removeKeyValue( keyValue & 0x7F );
break;
case 0x02: // Pressed
dPrintStrs( tmpStr, "P " ); // Debug
-
- // New key to process
- processKeyValue( keyValue & 0x7F );
break;
}
+ // Add key event to macro key buffer
+ TriggerGuide guide = {
+ .type = 0x00,
+ .state = keyState == 0x02 ? 0x01 : 0x03,
+ .scanCode = keyValue & 0x7F,
+ };
+ Macro_pressReleaseAdd( &guide );
+
sei(); // Re-enable Interrupts
}
// ----- Functions -----
// Setup
-inline void scan_setup()
+inline void Scan_setup()
+#if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
{
// Setup the the USART interface for keyboard data input
// NOTE: The input data signal needs to be inverted for the Teensy USART to properly work
-
+
// Setup baud rate
// 16 MHz / ( 16 * Baud ) = UBRR
// Baud <- 0.823284 ms per bit, thus 1000 / 0.823284 = 1214.65004 -> 823.2824
// Reset the keyboard before scanning, we might be in a wierd state
scan_resetKeyboard();
}
+#elif defined(_mk20dx128_) || defined(_mk20dx256_) // ARM
+{
+ // Setup the the UART interface for keyboard data input
+ SIM_SCGC4 |= SIM_SCGC4_UART0; // Disable clock gating
+
+ // Pin Setup for UART0
+ PORTB_PCR16 = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); // RX Pin
+ PORTB_PCR17 = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); // TX Pin
+
+ // Setup baud rate - 1205 Baud
+ // 48 MHz / ( 16 * Baud ) = BDH/L
+ // Baud: 1215 -> 48 MHz / ( 16 * 1215 ) = 2469.1358
+ // Thus baud setting = 2469
+ // NOTE: If finer baud adjustment is needed see UARTx_C4 -> BRFA in the datasheet
+ uint16_t baud = 2469; // Max setting of 8191
+ UART0_BDH = (uint8_t)(baud >> 8);
+ UART0_BDL = (uint8_t)baud;
+
+ // 8 bit, Even Parity, Idle Character bit after stop
+ // NOTE: For 8 bit with Parity you must enable 9 bit transmission (pg. 1065)
+ // You only need to use UART0_D for 8 bit reading/writing though
+ // UART_C1_M UART_C1_PE UART_C1_PT UART_C1_ILT
+ UART0_C1 = UART_C1_M | UART_C1_PE | UART_C1_ILT;
+
+ // Number of bytes in FIFO before TX Interrupt
+ UART0_TWFIFO = 1;
+
+ // Number of bytes in FIFO before RX Interrupt
+ UART0_RWFIFO = 1;
+
+ // TX FIFO Disabled, TX FIFO Size 1 (Max 8 datawords), RX FIFO Enabled, RX FIFO Size 1 (Max 8 datawords)
+ // TX/RX FIFO Size:
+ // 0x0 - 1 dataword
+ // 0x1 - 4 dataword
+ // 0x2 - 8 dataword
+ //UART0_PFIFO = UART_PFIFO_TXFE | /*TXFIFOSIZE*/ (0x0 << 4) | UART_PFIFO_RXFE | /*RXFIFOSIZE*/ (0x0);
+
+ // Reciever Inversion Disabled, LSBF
+ // UART_S2_RXINV UART_S2_MSBF
+ UART0_S2 |= 0x00;
+
+ // Transmit Inversion Disabled
+ // UART_C3_TXINV
+ UART0_C3 |= 0x00;
+
+ // TX Disabled, RX Enabled, RX Interrupt Enabled
+ // UART_C2_TE UART_C2_RE UART_C2_RIE
+ UART0_C2 = UART_C2_RE | UART_C2_RIE | UART_C2_TE;
+
+ // Add interrupt to the vector table
+ NVIC_ENABLE_IRQ( IRQ_UART0_STATUS );
+
+ // Reset the keyboard before scanning, we might be in a wierd state
+ Scan_resetKeyboard();
+}
+#endif
// Main Detection Loop
// Not needed for the BETKB, this is just a busy loop
-inline uint8_t scan_loop()
+inline uint8_t Scan_loop()
{
return 0;
}
-void processKeyValue( uint8_t keyValue )
-{
- // Interpret scan code
- switch ( keyValue )
- {
- case 0x00: // Break code from input?
- break;
- default:
- // Make sure the key isn't already in the buffer
- for ( uint8_t c = 0; c < KeyIndex_BufferUsed + 1; c++ )
- {
- // Key isn't in the buffer yet
- if ( c == KeyIndex_BufferUsed )
- {
- Macro_bufferAdd( keyValue );
-
- // Only send data if enabled
- if ( KeyIndex_Add_InputSignal )
- scan_sendData( KeyIndex_Add_InputSignal );
- break;
- }
-
- // Key already in the buffer
- if ( KeyIndex_Buffer[c] == keyValue )
- break;
- }
- break;
- }
-}
-
-void removeKeyValue( uint8_t keyValue )
-{
- // Check for the released key, and shift the other keys lower on the buffer
- uint8_t c;
- for ( c = 0; c < KeyIndex_BufferUsed; c++ )
- {
- // Key to release found
- if ( KeyIndex_Buffer[c] == keyValue )
- {
- // Shift keys from c position
- for ( uint8_t k = c; k < KeyIndex_BufferUsed - 1; k++ )
- KeyIndex_Buffer[k] = KeyIndex_Buffer[k + 1];
-
- // Decrement Buffer
- KeyIndex_BufferUsed--;
-
- break;
- }
- }
-
- // Error case (no key to release)
- if ( c == KeyIndex_BufferUsed + 1 )
- {
- errorLED( 1 );
- char tmpStr[6];
- hexToStr( keyValue, tmpStr );
- erro_dPrint( "Could not find key to release: ", tmpStr );
- }
-}
-
// Send data
uint8_t scan_sendData( uint8_t dataPayload )
{
+#if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
// Enable the USART Transmitter
UCSR1B |= (1 << 3);
+#elif defined(_mk20dx128_) || defined(_mk20dx256_) // ARM
+#endif
// Debug
char tmpStr[6];
hexToStr( dataPayload, tmpStr );
info_dPrint( "Sending - ", tmpStr );
+#if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
UDR1 = dataPayload;
+#elif defined(_mk20dx128_) || defined(_mk20dx256_) // ARM
+ UART0_D = dataPayload;
+#endif
// Wait for the payload
_delay_us( 800 );
+#if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
// Disable the USART Transmitter
UCSR1B &= ~(1 << 3);
+#elif defined(_mk20dx128_) || defined(_mk20dx256_) // ARM
+#endif
return 0;
}
// Signal KeyIndex_Buffer that it has been properly read
-void Scan_finishedWithBuffer( uint8_t sentKeys )
+void Scan_finishedWithMacro( uint8_t sentKeys )
{
}
// Signal that the keys have been properly sent over USB
-void Scan_finishedWithUSBBuffer( uint8_t sentKeys )
+void Scan_finishedWithOutput( uint8_t sentKeys )
{
}
// Reset/Hold keyboard
// NOTE: Does nothing with the BETKB
-void scan_lockKeyboard( void )
+void Scan_lockKeyboard()
{
}
// NOTE: Does nothing with the BETKB
-void scan_unlockKeyboard( void )
+void Scan_unlockKeyboard()
{
}
// Reset Keyboard
-void scan_resetKeyboard( void )
+void Scan_resetKeyboard()
{
// Not a calculated valued...
_delay_ms( 50 );
}
+// NOTE: Does nothing with the BETKB
+void Scan_currentChange( unsigned int current )
+{
+}
+
projects / kiibohd-controller.git / blobdiff