-/* Copyright (C) 2011 by Jacob Alexander
- *
+/* Copyright (C) 2011-2012,2014 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
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
- *
+ *
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// ----- Includes -----
+// Compiler Includes
+#include <Lib/ScanLib.h>
+
+// Project Includes
+#include <led.h>
+#include <print.h>
+
// Local Includes
#include "scan_loop.h"
+#include "matrix_scan.h"
// ----- Defines -----
// Debouncing Defines
-#define SAMPLE_THRESHOLD 110
-#define MAX_SAMPLES 127 // Max is 127, reaching 128 is very bad
+// Old
+//#define SAMPLE_THRESHOLD 110
+//#define MAX_SAMPLES 127 // Max is 127, reaching 128 is very bad
+#define SAMPLE_THRESHOLD 6
+#define MAX_SAMPLES 10 // Max is 127, reaching 128 is very bad
// ----- Macros -----
-// Loop over all of the sampled keys of the given array
-// If the number of samples is higher than the sample threshold, flag the high bit, clear otherwise
-// This should be resetting VERY quickly, cutting off a potentially valid keypress is not an issue
-#define DEBOUNCE_ASSESS(table,size) \
- for ( uint8_t key = 1; key < size + 1; key++ ) {\
- table[key] = ( table[key] & ~(1 << 7) ) > SAMPLE_THRESHOLD ? (1 << 7) : 0x00; \
- } \
+// Make sure we haven't overflowed the buffer
+#define bufferAdd(byte) \
+ if ( KeyIndex_BufferUsed < KEYBOARD_BUFFER ) \
+ KeyIndex_Buffer[KeyIndex_BufferUsed++] = byte
// ----- Variables -----
+// Buffer used to inform the macro processing module which keys have been detected as pressed
+volatile uint8_t KeyIndex_Buffer[KEYBOARD_BUFFER];
+volatile uint8_t KeyIndex_BufferUsed;
+volatile uint8_t KeyIndex_Add_InputSignal; // Used to pass the (click/input value) to the keyboard for the clicker
+
+
// Keeps track of the number of scans, so we only do a debounce assess when it would be valid (as it throws away data)
uint8_t scan_count = 0;
+// This is where the matrix scan data is held, as well as debouncing is evaluated to, which (depending on the read value) is handled
+// by the macro module
+uint8_t KeyIndex_Array[KEYBOARD_KEYS + 1];
+
// ----- Functions -----
// Setup
-void scan_setup()
+inline void scan_setup()
{
- //matrix_pinSetup( matrix_pinout );
+ matrix_pinSetup( (uint8_t*)matrix_pinout, scanMode );
}
// Main Detection Loop
-void scan_loop()
+inline uint8_t scan_loop()
{
- //matrix_scan( matrix_pinout, keyboardDetectArray );
-
// Check count to see if the sample threshold may have been reached, otherwise collect more data
- if ( scan_count++ < MAX_SAMPLES )
- return;
+ if ( scan_count < MAX_SAMPLES )
+ {
+ matrix_scan( (uint8_t*)matrix_pinout, KeyIndex_Array );
+
+ // scanDual requires 2 passes, and thus needs more memory per matrix_scan pass
+#if scanMode == scanDual
+ scan_count += 2;
+#else
+ scan_count++;
+#endif
+
+ // Signal Main Detection Loop to continue scanning
+ return 0;
+ }
// Reset Sample Counter
scan_count = 0;
// Assess debouncing sample table
- //DEBOUNCE_ASSESS(keyDetectArray,KEYBOARD_SIZE)
+ // Loop over all of the sampled keys of the given array
+ // If the number of samples is higher than the sample threshold, flag the high bit, clear otherwise
+ // This should be resetting VERY quickly, cutting off a potentially valid keypress is not an issue
+ for ( uint8_t key = 1; key < KeyIndex_Size + 1; key++ ) if ( ( KeyIndex_Array[key] & ~(1 << 7) ) > SAMPLE_THRESHOLD )
+ {
+ // Debug output (keypress detected)
+ char tmpStr[6];
+ hexToStr( key, tmpStr );
+ dPrintStrs( tmpStr, " " );
+
+ // Add the key to the buffer, if it isn't already in the current Key Buffer
+ for ( uint8_t c = 0; c < KeyIndex_BufferUsed + 1; c++ )
+ {
+ // Key isn't in the buffer yet
+ if ( c == KeyIndex_BufferUsed )
+ {
+ bufferAdd( key );
+ break;
+ }
+
+ // Key already in the buffer
+ if ( KeyIndex_Buffer[c] == key )
+ break;
+ }
+
+ KeyIndex_Array[key] = (1 << 7);
+ }
+ else
+ {
+ // Remove the key from the buffer only if it was previously known to be pressed
+ if ( KeyIndex_Array[key] & (1 << 7 ) )
+ {
+ // Check for the released key, and shift the other keys lower on the buffer
+ for ( uint8_t c = 0; c < KeyIndex_BufferUsed; c++ )
+ {
+ // Key to release found
+ if ( KeyIndex_Buffer[c] == key )
+ {
+ // 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;
+ }
+ }
+ }
+
+ KeyIndex_Array[key] = 0x00;
+ }
+
+ // Ready to allow for USB send
+ return 1;
+}
+
+
+// Signal that the keys have been properly sent over USB
+inline void scan_finishedWithUSBBuffer( uint8_t sentKeys )
+{
+ return;
+}
+
+
+// Signal KeyIndex_Buffer that it has been fully scanned using the macro module
+inline void scan_finishedWithBuffer( uint8_t sentKeys )
+{
+ return;
+}
+
+// Send data to keyboard
+// Not used in this module
+uint8_t scan_sendData( uint8_t dataPayload )
+{
+ return 0;
}
projects / kiibohd-controller.git / blobdiff