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Fixed ghosting matrix check (did send bad keys on release), now using also ghost_old state

blockKey
CryHam 8 years ago
parent
ba58010a75
commit
e6506ee5bf
1 changed files with 11 additions and 7 deletions
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  1. 11
    7
      Scan/MatrixARM/matrix_scan.c

+ 11
- 7
Scan/MatrixARM/matrix_scan.c View File



uint8_t col_use[Matrix_colsNum], row_use[Matrix_rowsNum]; // used count uint8_t col_use[Matrix_colsNum], row_use[Matrix_rowsNum]; // used count
uint8_t col_ghost[Matrix_colsNum], row_ghost[Matrix_rowsNum]; // marked as having ghost if 1 uint8_t col_ghost[Matrix_colsNum], row_ghost[Matrix_rowsNum]; // marked as having ghost if 1
uint8_t col_ghost_old[Matrix_colsNum], row_ghost_old[Matrix_rowsNum]; // old ghost state
#endif #endif




for ( uint8_t pin = 0; pin < Matrix_colsNum; pin++ ) for ( uint8_t pin = 0; pin < Matrix_colsNum; pin++ )
{ {
Matrix_pin( Matrix_cols[ pin ], Type_StrobeSetup ); Matrix_pin( Matrix_cols[ pin ], Type_StrobeSetup );
col_use[pin] = 0;
col_ghost[pin] = 0;
col_ghost_old[pin] = 0;
} }


// Setup Sense Pins // Setup Sense Pins
for ( uint8_t pin = 0; pin < Matrix_rowsNum; pin++ ) for ( uint8_t pin = 0; pin < Matrix_rowsNum; pin++ )
{ {
Matrix_pin( Matrix_rows[ pin ], Type_SenseSetup ); Matrix_pin( Matrix_rows[ pin ], Type_SenseSetup );
row_use[pin] = 0;
row_ghost[pin] = 0;
row_ghost_old[pin] = 0;
} }


// Clear out Debounce Array // Clear out Debounce Array
// strobe = column, sense = row // strobe = column, sense = row


// Count (rows) use for columns // Count (rows) use for columns
//print("C ");
for ( uint8_t col = 0; col < Matrix_colsNum; col++ ) for ( uint8_t col = 0; col < Matrix_colsNum; col++ )
{ {
uint8_t used = 0; uint8_t used = 0;
if ( keyOn(state->curState) ) if ( keyOn(state->curState) )
used++; used++;
} }
//printInt8(used);
col_use[col] = used; col_use[col] = used;
col_ghost_old[col] = col_ghost[col];
col_ghost[col] = 0; // clear col_ghost[col] = 0; // clear
} }


// Count (columns) use for rows // Count (columns) use for rows
//print(" R ");
for ( uint8_t row = 0; row < Matrix_rowsNum; row++ ) for ( uint8_t row = 0; row < Matrix_rowsNum; row++ )
{ {
uint8_t used = 0; uint8_t used = 0;
if ( keyOn(state->curState) ) if ( keyOn(state->curState) )
used++; used++;
} }
//printInt8(used);
row_use[row] = used; row_use[row] = used;
row_ghost_old[row] = row_ghost[row];
row_ghost[row] = 0; // clear row_ghost[row] = 0; // clear
} }


// Check if matrix has ghost // Check if matrix has ghost
// Happens when key is pressed and some other key is pressed in same row and another in same column // Happens when key is pressed and some other key is pressed in same row and another in same column
//print(" G ");
for ( uint8_t col = 0; col < Matrix_colsNum; col++ ) for ( uint8_t col = 0; col < Matrix_colsNum; col++ )
{ {
for ( uint8_t row = 0; row < Matrix_rowsNum; row++ ) for ( uint8_t row = 0; row < Matrix_rowsNum; row++ )
// mark col and row as having ghost // mark col and row as having ghost
col_ghost[col] = 1; col_ghost[col] = 1;
row_ghost[row] = 1; row_ghost[row] = 1;
//print(" "); printInt8(col); print(","); printInt8(row);
} }
} }
} }
//print( NL );


// Send keys // Send keys
for ( uint8_t col = 0; col < Matrix_colsNum; col++ ) for ( uint8_t col = 0; col < Matrix_colsNum; col++ )


// col or row is ghosting (crossed) // col or row is ghosting (crossed)
uint8_t ghost = (col_ghost[col] > 0 || row_ghost[row] > 0) ? 1 : 0; uint8_t ghost = (col_ghost[col] > 0 || row_ghost[row] > 0) ? 1 : 0;
uint8_t ghost_old = (col_ghost_old[col] > 0 || row_ghost_old[row] > 0) ? 1 : 0;
ghost = ghost || ghost_old ? 1 : 0;


st->prev = st->cur; // previous st->prev = st->cur; // previous
// save state if no ghost or outside ghosted area // save state if no ghost or outside ghosted area