-/* Copyright (C) 2014-2015 by Jacob Alexander
+/* Copyright (C) 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 <led.h>
#include <print.h>
#include <macro.h>
+#include <Lib/delay.h>
// Local Includes
#include "matrix_scan.h"
// CLI Functions
void cliFunc_matrixDebug( char* args );
+void cliFunc_matrixInfo( char* args );
void cliFunc_matrixState( char* args );
// Scan Module command dictionary
CLIDict_Entry( matrixDebug, "Enables matrix debug mode, prints out each scan code." NL "\t\tIf argument \033[35mT\033[0m is given, prints out each scan code state transition." );
+CLIDict_Entry( matrixInfo, "Print info about the configured matrix." );
CLIDict_Entry( matrixState, "Prints out the current scan table N times." NL "\t\t \033[1mO\033[0m - Off, \033[1;33mP\033[0m - Press, \033[1;32mH\033[0m - Hold, \033[1;35mR\033[0m - Release, \033[1;31mI\033[0m - Invalid" );
CLIDict_Def( matrixCLIDict, "Matrix Module Commands" ) = {
CLIDict_Item( matrixDebug ),
+ CLIDict_Item( matrixInfo ),
CLIDict_Item( matrixState ),
{ 0, 0, 0 } // Null entry for dictionary end
};
KeyState Matrix_scanArray[ Matrix_colsNum * Matrix_rowsNum ];
// Ghost Arrays
-#ifdef GHOST
+#ifdef GHOSTING_MATRIX
KeyGhost Matrix_ghostArray[ Matrix_colsNum * Matrix_rowsNum ];
uint8_t col_use[Matrix_colsNum], row_use[Matrix_rowsNum]; // used count
// Assumes 0x40 between GPIO Port registers and 0x1000 between PORT pin registers
// See Lib/mk20dx.h
volatile unsigned int *GPIO_PDDR = (unsigned int*)(&GPIOA_PDDR) + gpio_offset;
+ #ifndef GHOSTING_MATRIX
volatile unsigned int *GPIO_PSOR = (unsigned int*)(&GPIOA_PSOR) + gpio_offset;
+ #endif
volatile unsigned int *GPIO_PCOR = (unsigned int*)(&GPIOA_PCOR) + gpio_offset;
volatile unsigned int *GPIO_PDIR = (unsigned int*)(&GPIOA_PDIR) + gpio_offset;
volatile unsigned int *PORT_PCR = (unsigned int*)(&PORTA_PCR0) + port_offset;
switch ( type )
{
case Type_StrobeOn:
+ #ifdef GHOSTING_MATRIX
+ *GPIO_PCOR |= (1 << gpio.pin);
+ *GPIO_PDDR |= (1 << gpio.pin); // output, low
+ #else
*GPIO_PSOR |= (1 << gpio.pin);
- #ifdef GHOST
- *GPIO_PDDR |= (1 << gpio.pin); // output
#endif
break;
case Type_StrobeOff:
- *GPIO_PCOR |= (1 << gpio.pin);
- #ifdef GHOST
+ #ifdef GHOSTING_MATRIX
// Ghosting martix needs to put not used (off) strobes in high impedance state
*GPIO_PDDR &= ~(1 << gpio.pin); // input, high Z state
#endif
+ *GPIO_PCOR |= (1 << gpio.pin);
break;
case Type_StrobeSetup:
+ #ifdef GHOSTING_MATRIX
+ *GPIO_PDDR &= ~(1 << gpio.pin); // input, high Z state
+ *GPIO_PCOR |= (1 << gpio.pin);
+ #else
// Set as output pin
*GPIO_PDDR |= (1 << gpio.pin);
+ #endif
// Configure pin with slow slew, high drive strength and GPIO mux
*PORT_PCR = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
break;
case Type_Sense:
+ #ifdef GHOSTING_MATRIX // inverted
+ return *GPIO_PDIR & (1 << gpio.pin) ? 0 : 1;
+ #else
return *GPIO_PDIR & (1 << gpio.pin) ? 1 : 0;
+ #endif
case Type_SenseSetup:
// Set as input pin
// Register Matrix CLI dictionary
CLI_registerDictionary( matrixCLIDict, matrixCLIDictName );
- info_msg("Columns: ");
- printHex( Matrix_colsNum );
-
// Setup Strobe Pins
for ( uint8_t pin = 0; pin < Matrix_colsNum; pin++ )
{
Matrix_pin( Matrix_cols[ pin ], Type_StrobeSetup );
}
- print( NL );
- info_msg("Rows: ");
- printHex( Matrix_rowsNum );
-
// Setup Sense Pins
for ( uint8_t pin = 0; pin < Matrix_rowsNum; pin++ )
{
Matrix_pin( Matrix_rows[ pin ], Type_SenseSetup );
}
- print( NL );
- info_msg("Max Keys: ");
- printHex( Matrix_maxKeys );
- print( NL );
-
// Clear out Debounce Array
for ( uint8_t item = 0; item < Matrix_maxKeys; item++ )
{
Matrix_scanArray[ item ].activeCount = 0;
Matrix_scanArray[ item ].inactiveCount = DebounceDivThreshold_define; // Start at 'off' steady state
Matrix_scanArray[ item ].prevDecisionTime = 0;
- #ifdef GHOST
+ #ifdef GHOSTING_MATRIX
Matrix_ghostArray[ item ].prev = KeyState_Off;
Matrix_ghostArray[ item ].cur = KeyState_Off;
Matrix_ghostArray[ item ].saved = KeyState_Off;
// For each strobe, scan each of the sense pins
for ( uint8_t strobe = 0; strobe < Matrix_colsNum; strobe++ )
{
+ #ifdef STROBE_DELAY
+ uint32_t start = micros();
+ while ((micros() - start) < STROBE_DELAY);
+ #endif
+
// Strobe Pin
Matrix_pin( Matrix_cols[ strobe ], Type_StrobeOn );
+ #ifdef STROBE_DELAY
+ start = micros();
+ while ((micros() - start) < STROBE_DELAY);
+ #endif
+
// Scan each of the sense pins
for ( uint8_t sense = 0; sense < Matrix_rowsNum; sense++ )
{
erro_print("Matrix scan bug!! Report me!");
break;
}
-
+
// Update decision time
state->prevDecisionTime = currentTime;
// Send keystate to macro module
- #ifndef GHOST
+ #ifndef GHOSTING_MATRIX
Macro_keyState( key, state->curState );
#endif
// Matrix ghosting check and elimination
- // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-#ifdef GHOST
+ // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+#ifdef GHOSTING_MATRIX
// strobe = column, sense = row
// Count (rows) use for columns
row_use[row] = used;
row_ghost[row] = 0; // clear
}
-
+
// Check if matrix has ghost
// Happens when key is pressed and some other key is pressed in same row and another in same column
//print(" G ");
uint8_t key = Matrix_colsNum * row + col;
KeyState *state = &Matrix_scanArray[ key ];
KeyGhost *st = &Matrix_ghostArray[ key ];
-
+
// col or row is ghosting (crossed)
uint8_t ghost = (col_ghost[col] > 0 || row_ghost[row] > 0) ? 1 : 0;
-
+
st->prev = st->cur; // previous
// save state if no ghost or outside ghosted area
if ( ghost == 0 )
// final
// use saved state if ghosting, or current if not
st->cur = ghost > 0 ? st->saved : state->curState;
-
+
// Send keystate to macro module
- KeyPosition k = !st->cur
+ KeyPosition k = !st->cur
? (!st->prev ? KeyState_Off : KeyState_Release)
: ( st->prev ? KeyState_Hold : KeyState_Press);
- //if (!st->cur && !st->prev) k = KeyState_Off; else
- //if ( st->cur && st->prev) k = KeyState_Hold; else
- //if ( st->cur && !st->prev) k = KeyState_Press; else
- //if (!st->cur && st->prev) k = KeyState_Release;
Macro_keyState( key, k );
}
}
#endif
- // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+ // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
// State Table Output Debug
}
+// Called by parent scan module whenever the available current changes
+// current - mA
+void Matrix_currentChange( unsigned int current )
+{
+ // TODO - Any potential power savings?
+}
+
+
+
// ----- CLI Command Functions -----
-void cliFunc_matrixDebug ( char* args )
+void cliFunc_matrixInfo( char* args )
+{
+ print( NL );
+ info_msg("Columns: ");
+ printHex( Matrix_colsNum );
+
+ print( NL );
+ info_msg("Rows: ");
+ printHex( Matrix_rowsNum );
+
+ print( NL );
+ info_msg("Max Keys: ");
+ printHex( Matrix_maxKeys );
+}
+
+void cliFunc_matrixDebug( char* args )
{
// Parse number from argument
// NOTE: Only first argument is used
printInt8( matrixDebugMode );
}
-void cliFunc_matrixState ( char* args )
+void cliFunc_matrixState( char* args )
{
// Parse number from argument
// NOTE: Only first argument is used