-/* Copyright (C) 2011 by Jacob Alexander
- *
+/* Copyright (C) 2011,2014 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
// ----- Macros -----
// -- pinSetup Macros --
-#define REG_SET(reg) reg |= (1 << ( matrix[row*(MAX_ROW_SIZE+1)+col] % 10 ) )
-
+#define REG_SET(reg) reg |= (1 << ( matrix[row*(MAX_ROW_SIZE+1)+col] % 10 ) ) // Modulo 10 for the define offset for each pin set 12 or 32 -> shift of 2
+#define REG_UNSET(reg) reg &= ~(1 << ( matrix[row*(MAX_ROW_SIZE+1)+col] % 10 ) )
+
+#define PIN_SET(pin,scan,direction) \
+ switch ( direction ) { \
+ case columnSet: PIN_SET_COL(pin,scan); \
+ case rowSet: PIN_SET_ROW(pin,scan); \
+ } \
+ break
+
+// TODO Only scanCol_powrRow Tested (and powrRow)
#define PIN_SET_COL(pin,scan) \
switch ( scan ) { \
case scanCol: \
case scanRow_powrCol: \
case scanDual: \
REG_SET(port##pin); break; \
- case scanCol_powrRow: REG_SET(ddr##pin); REG_SET(port##pin); break; \
+ case scanCol_powrRow: REG_UNSET(ddr##pin); REG_UNSET(DDR##pin); \
+ REG_SET(port##pin); REG_SET(PORT##pin); break; \
+ case powrRow: break; \
+ case powrCol: REG_SET(ddr##pin); REG_SET(DDR##pin); \
+ REG_SET(port##pin); REG_SET(PORT##pin); break; \
} \
break
+// TODO Only scanCol_powrRow Tested (and powrRow)
#define PIN_SET_ROW(pin,scan) \
switch ( scan ) { \
+ case scanRow_powrCol: REG_UNSET(ddr##pin); REG_SET(port##pin); break; \
case scanRow: \
- case scanCol_powrRow: \
case scanDual: \
REG_SET(port##pin); break; \
- case scanRow_powrCol: REG_SET(ddr##pin); REG_SET(port##pin); break; \
+ case scanCol_powrRow: REG_SET(ddr##pin); REG_SET(DDR##pin); \
+ REG_UNSET(port##pin); REG_UNSET(PORT##pin); break; \
+ case powrRow: REG_SET(ddr##pin); REG_SET(DDR##pin); \
+ REG_SET(port##pin); REG_SET(PORT##pin); break; \
+ case powrCol: break; \
} \
break
#define PIN_TEST_ROW(pin) \
scanCode = matrix[row*(MAX_ROW_SIZE+1)+col]; \
if ( scanCode && !( pin & ( 1 << ( matrix[row*(MAX_ROW_SIZE+1)+0] % 10 ) ) ) ) \
+ { \
detectArray[scanCode]++; \
+ } \
break
// -- Scan Dual Macros --
// ----- Variables -----
+uint8_t showDebug = 0;
+
+// Debug Variables for GPIO setting
+uint8_t portA = 0x00;
+uint8_t portB = 0x00;
+uint8_t portC = 0x00;
+uint8_t portD = 0x00;
+uint8_t portE = 0x00;
+uint8_t portF = 0x00;
+uint8_t ddrA = 0x00;
+uint8_t ddrB = 0x00;
+uint8_t ddrC = 0x00;
+uint8_t ddrD = 0x00;
+uint8_t ddrE = 0x00;
+uint8_t ddrF = 0x00;
// ----- Functions -----
+void matrix_debugPins(void);
-// Goes through the defined matrix and matrix mode, and sets the initial state of all of the available pins
-void matrix_pinSetup( uint8_t *matrix, uint8_t scanType )
+// Pin Setup Debug
+inline void matrix_debugPins()
{
- // Setup the variables
- uint8_t portA = 0x00;
- uint8_t portB = 0x00;
- uint8_t portC = 0x00;
- uint8_t portD = 0x00;
- uint8_t portE = 0x00;
- uint8_t portF = 0x00;
-
- uint8_t ddrA = 0x00;
- uint8_t ddrB = 0x00;
- uint8_t ddrC = 0x00;
- uint8_t ddrD = 0x00;
- uint8_t ddrE = 0x00;
- uint8_t ddrF = 0x00;
+ char tmpStr[6];
+ info_print("Initial Matrix Pin Setup");
+ info_print(" ddrA ddrB ddrC ddrD ddrE ddrF");
+ print(" ");
+ hexToStr_op( ddrA, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ hexToStr_op( ddrB, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ hexToStr_op( ddrC, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ hexToStr_op( ddrD, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ hexToStr_op( ddrE, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ hexToStr_op( ddrF, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ print("\n");
+ info_print("portA portB portC portD portE portF");
+ print(" ");
+ hexToStr_op( portA, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ hexToStr_op( portB, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ hexToStr_op( portC, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ hexToStr_op( portD, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ hexToStr_op( portE, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ hexToStr_op( portF, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
+ print("\n");
+
+ showDebug++;
+}
+
+
+// Column Setup
+inline void matrix_columnSet( uint8_t *matrix, uint8_t scanType, uint16_t startIndex, uint16_t colsToIterate )
+{
+ // Calculate the number of pins to iterate over
+ uint8_t maxColumns = startIndex + colsToIterate - 1;
+ if ( maxColumns > MAX_COL_SIZE )
+ maxColumns = MAX_COL_SIZE;
- // Loop through all the pin assignments, for the initial pin settings
uint16_t row, col;
- // Rows
- for ( col = 0, row = 1; row < MAX_COL_SIZE + 1; row++ )
+ // Columns
+ for ( col = startIndex, row = 0; col <= maxColumns; col++ )
{
// We can't pass 2D arrays, so just point to the first element and calculate directly
switch ( matrix[row*(MAX_ROW_SIZE+1)+col] )
{
+#if defined(__AVR_AT90USB1286__)
PIN_CASE(A):
- PIN_SET_ROW(A, scanType);
+ PIN_SET(A, scanType, columnSet);
+#endif
PIN_CASE(B):
- PIN_SET_ROW(B, scanType);
+ PIN_SET(B, scanType, columnSet);
PIN_CASE(C):
- PIN_SET_ROW(C, scanType);
+ PIN_SET(C, scanType, columnSet);
PIN_CASE(D):
- PIN_SET_ROW(D, scanType);
+ PIN_SET(D, scanType, columnSet);
PIN_CASE(E):
- PIN_SET_ROW(E, scanType);
+ PIN_SET(E, scanType, columnSet);
PIN_CASE(F):
- PIN_SET_ROW(F, scanType);
+ PIN_SET(F, scanType, columnSet);
default:
continue;
}
}
+}
- // Columns
- for ( col = 1, row = 0; col < (MAX_ROW_SIZE+1) + 1; col++ )
+// Row Setup
+inline void matrix_rowSet( uint8_t *matrix, uint8_t scanType, uint16_t startIndex, uint8_t rowsToIterate )
+{
+ // Calculate the number of pins to iterate over
+ uint16_t maxRows = startIndex + rowsToIterate - 1;
+ if ( maxRows > MAX_ROW_SIZE )
+ maxRows = MAX_ROW_SIZE;
+
+ uint16_t row, col;
+
+ // Rows
+ for ( col = 0, row = startIndex; row <= maxRows; row++ )
{
// We can't pass 2D arrays, so just point to the first element and calculate directly
switch ( matrix[row*(MAX_ROW_SIZE+1)+col] )
{
+#if defined(__AVR_AT90USB1286__)
PIN_CASE(A):
- PIN_SET_COL(A, scanType);
+ PIN_SET(A, scanType, rowSet);
+#endif
PIN_CASE(B):
- PIN_SET_COL(B, scanType);
+ PIN_SET(B, scanType, rowSet);
PIN_CASE(C):
- PIN_SET_COL(C, scanType);
+ PIN_SET(C, scanType, rowSet);
PIN_CASE(D):
- PIN_SET_COL(D, scanType);
+ PIN_SET(D, scanType, rowSet);
PIN_CASE(E):
- PIN_SET_COL(E, scanType);
+ PIN_SET(E, scanType, rowSet);
PIN_CASE(F):
- PIN_SET_COL(F, scanType);
+ PIN_SET(F, scanType, rowSet);
default:
continue;
}
}
+}
- // Pin Status
- if ( scanType == scanMode )
- {
- char tmpStr[6];
- info_print("Initial Matrix Pin Setup");
- info_print(" ddrA ddrB ddrC ddrD ddrE ddrF");
- print(" ");
- hexToStr_op( ddrA, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- hexToStr_op( ddrB, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- hexToStr_op( ddrC, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- hexToStr_op( ddrD, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- hexToStr_op( ddrE, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- hexToStr_op( ddrF, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- print("\n");
- info_print("portA portB portC portD portE portF");
- print(" ");
- hexToStr_op( portA, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- hexToStr_op( portB, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- hexToStr_op( portC, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- hexToStr_op( portD, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- hexToStr_op( portE, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- hexToStr_op( portF, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
- print("\n");
- int8ToStr( scanType, tmpStr );
- }
- // Setting the pins
-#if defined(__AVR_AT90USB1286__)
- DDRA = ddrA;
-#endif
- DDRB = ddrB;
- DDRC = ddrC;
- DDRD = ddrD;
- DDRE = ddrE;
- DDRF = ddrF;
+// Goes through the defined matrix and matrix mode, and sets the initial state of all of the available pins
+void matrix_pinSetup( uint8_t *matrix, uint8_t scanType )
+{
+ // Loop through all the pin assignments, for the initial pin settings
+ matrix_rowSet ( matrix, scanType, 1, MAX_ROW_SIZE );
+ matrix_columnSet( matrix, scanType, 1, MAX_COL_SIZE );
-#if defined(__AVR_AT90USB1286__)
- PORTA = portA;
-#endif
- PORTB = portB;
- PORTC = portC;
- PORTD = portD;
- PORTE = portE;
- PORTF = portF;
+ // Pin Status
+ if ( showDebug == 0 ) // Only show once
+ {
+ matrix_debugPins();
+ }
}
// Scans the given matrix determined by the scanMode method
uint16_t scanCode = 0;
+ // TODO Only scanCol_powrRow tested
// Column Scan and Column Scan, Power Row
#if scanMode == scanCol || scanMode == scanCol_powrRow
- for ( ; row < (MAX_COL_SIZE+1); row++ ) for ( ; col < (MAX_ROW_SIZE+1); col++ )
+ for ( ; row <= MAX_ROW_SIZE; row++ )
{
- // Scan over the pins for each of the columns, and using the pin alias to determine which pin to set
- // (e.g. / 10 is for the pin name (A,B,C,etc.) and % 10 is for the position of the pin (A1,A2,etc.))
- switch ( matrix[0*(MAX_ROW_SIZE+1)+col] / 10 )
+ // Power each row separately
+ matrix_rowSet( matrix, powrRow, row, 1 );
+
+ for ( col = 1; col <= MAX_COL_SIZE; col++ )
{
+ // Scan over the pins for each of the columns, and using the pin alias to determine which pin to set
+ // (e.g. / 10 is for the pin name (A,B,C,etc.) and % 10 is for the position of the pin (A1,A2,etc.))
+ switch ( matrix[0*(MAX_ROW_SIZE+1)+col] / 10 )
+ {
#if defined(__AVR_AT90USB1286__)
- case 0: // PINA
- PIN_TEST_COL(PINA);
+ case 0: // PINA
+ PIN_TEST_COL(PINA);
#endif
- case 1: // PINB
- PIN_TEST_COL(PINB);
- case 2: // PINC
- PIN_TEST_COL(PINC);
- case 3: // PIND
- PIN_TEST_COL(PIND);
- case 4: // PINE
- PIN_TEST_COL(PINE);
- case 5: // PINF
- PIN_TEST_COL(PINF);
+ case 1: // PINB
+ PIN_TEST_COL(PINB);
+ case 2: // PINC
+ PIN_TEST_COL(PINC);
+ case 3: // PIND
+ PIN_TEST_COL(PIND);
+ case 4: // PINE
+ PIN_TEST_COL(PINE);
+ case 5: // PINF
+ PIN_TEST_COL(PINF);
+ }
}
+
+ // Unset the row power
+ matrix_rowSet( matrix, scanMode, row, 1 );
}
#endif // scanMode
// Row Scan and Row Scan, Power Row
#if scanMode == scanRow || scanMode == scanRow_powrCol
- for ( ; col < (MAX_ROW_SIZE+1); col++ ) for ( ; row < (MAX_COL_SIZE+1); row++ )
+ for ( ; col <= MAX_COL_SIZE; col++ )
{
- // Scan over the pins for each of the rows, and using the pin alias to determine which pin to set
- // (e.g. / 10 is for the pin name (A,B,C,etc.) and % 10 is for the position of the pin (A1,A2,etc.))
- switch ( matrix[row*(MAX_ROW_SIZE+1)+0] / 10 )
+ // Power each column separately
+ matrix_columnSet( matrix, powrCol, col, 1 );
+
+ for ( row = 1; row <= MAX_ROW_SIZE; row++ )
{
+ // Scan over the pins for each of the rows, and using the pin alias to determine which pin to set
+ // (e.g. / 10 is for the pin name (A,B,C,etc.) and % 10 is for the position of the pin (A1,A2,etc.))
+ switch ( matrix[row*(MAX_ROW_SIZE+1)+0] / 10 )
+ {
#if defined(__AVR_AT90USB1286__)
- case 0: // PINA
- PIN_TEST_ROW(PINA);
+ case 0: // PINA
+ PIN_TEST_ROW(PINA);
#endif
- case 1: // PINB
- PIN_TEST_ROW(PINB);
- case 2: // PINC
- PIN_TEST_ROW(PINC);
- case 3: // PIND
- PIN_TEST_ROW(PIND);
- case 4: // PINE
- PIN_TEST_ROW(PINE);
- case 5: // PINF
- PIN_TEST_ROW(PINF);
+ case 1: // PINB
+ PIN_TEST_ROW(PINB);
+ case 2: // PINC
+ PIN_TEST_ROW(PINC);
+ case 3: // PIND
+ PIN_TEST_ROW(PIND);
+ case 4: // PINE
+ PIN_TEST_ROW(PINE);
+ case 5: // PINF
+ PIN_TEST_ROW(PINF);
+ }
}
+
+ // Unset the column power
+ matrix_columnSet( matrix, scanMode, col, 1 );
}
#endif // scanMode
// Dual Scan
#if scanMode == scanDual
// First do a scan of all of the columns, marking each one
- matrix_pinSetup( matrix, scanCol_powrRow );
+ //matrix_pinSetup( matrix, scanCol_powrRow, 0, MAX_ROW_SIZE, MAX_COL_SIZE ); TODO
_delay_us( 1 );
for ( ; row < (MAX_COL_SIZE+1); row++ ) for ( ; col < (MAX_ROW_SIZE+1); col++ )
{
// Next, do a scan of all of the rows, clearing any "vague" keys (only detected on row, but not column, or vice-versa)
// And marking any keys that are detected on the row and column
- matrix_pinSetup( matrix, scanRow_powrCol );
+ //matrix_pinSetup( matrix, scanRow_powrCol, 0, MAX_ROW_SIZE, MAX_COL_SIZE ); TODO
_delay_us( 1 );
col = 1;
row = 1;
- for ( ; col < (MAX_ROW_SIZE+1); col++ ) for ( ; row < (MAX_COL_SIZE+1); row++ )
+ for ( ; col < (MAX_ROW_SIZE+1); col++ ) for ( ; row < (MAX_COL_SIZE+1); row++ )
{
// Scan over the pins for each of the rows, and using the pin alias to determine which pin to set
// (e.g. / 10 is for the pin name (A,B,C,etc.) and % 10 is for the position of the pin (A1,A2,etc.))
}
#endif
}
-
+