rows to col option, maybe
This commit is contained in:
		
							parent
							
								
									b89a9cdc91
								
							
						
					
					
						commit
						5bb7ef0012
					
				
					 3 changed files with 69 additions and 2 deletions
				
			
		| 
						 | 
				
			
			@ -36,6 +36,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 | 
			
		|||
#define COLS (int []){ F1, F0, B0, C7, F4, F5, F6, F7, D4, D6, B4, D7 }
 | 
			
		||||
#define ROWS (int []){ D0, D5, B5, B6 }
 | 
			
		||||
 | 
			
		||||
/* COL2ROW or ROW2COL */
 | 
			
		||||
#define DIODE_DIRECTION COL2ROW
 | 
			
		||||
 | 
			
		||||
/* define if matrix has ghost */
 | 
			
		||||
//#define MATRIX_HAS_GHOST
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -42,7 +42,8 @@
 | 
			
		|||
#define F6 0x66
 | 
			
		||||
#define F7 0x67
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
#define COL2ROW 0x0
 | 
			
		||||
#define ROW2COL 0x1
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -37,6 +37,11 @@ static uint8_t debouncing = DEBOUNCE;
 | 
			
		|||
static matrix_row_t matrix[MATRIX_ROWS];
 | 
			
		||||
static matrix_row_t matrix_debouncing[MATRIX_ROWS];
 | 
			
		||||
 | 
			
		||||
#if DIODE_DIRECTION == ROW2COL
 | 
			
		||||
static matrix_row_t matrix_reversed[MATRIX_COLS];
 | 
			
		||||
static matrix_row_t matrix_reversed_debouncing[MATRIX_COLS];
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
static matrix_row_t read_cols(void);
 | 
			
		||||
static void init_cols(void);
 | 
			
		||||
static void unselect_rows(void);
 | 
			
		||||
| 
						 | 
				
			
			@ -80,6 +85,7 @@ void matrix_init(void)
 | 
			
		|||
 | 
			
		||||
uint8_t matrix_scan(void)
 | 
			
		||||
{
 | 
			
		||||
#if DIODE_DIRECTION == COL2ROW
 | 
			
		||||
    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
 | 
			
		||||
        select_row(i);
 | 
			
		||||
        _delay_us(30);  // without this wait read unstable value.
 | 
			
		||||
| 
						 | 
				
			
			@ -103,6 +109,38 @@ uint8_t matrix_scan(void)
 | 
			
		|||
            }
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
#else
 | 
			
		||||
    for (uint8_t i = 0; i < MATRIX_COLS; i++) {
 | 
			
		||||
        select_row(i);
 | 
			
		||||
        _delay_us(30);  // without this wait read unstable value.
 | 
			
		||||
        matrix_row_t rows = read_cols();
 | 
			
		||||
        if (matrix_reversed_debouncing[i] != rows) {
 | 
			
		||||
            matrix_reversed_debouncing[i] = rows;
 | 
			
		||||
            if (debouncing) {
 | 
			
		||||
                debug("bounce!: "); debug_hex(debouncing); debug("\n");
 | 
			
		||||
            }
 | 
			
		||||
            debouncing = DEBOUNCE;
 | 
			
		||||
        }
 | 
			
		||||
        unselect_rows();
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    if (debouncing) {
 | 
			
		||||
        if (--debouncing) {
 | 
			
		||||
            _delay_ms(1);
 | 
			
		||||
        } else {
 | 
			
		||||
            for (uint8_t i = 0; i < MATRIX_COLS; i++) {
 | 
			
		||||
                matrix_reversed[i] = matrix_reversed_debouncing[i];
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
    for (uint8_t y = 0; y < MATRIX_ROWS; y++) {
 | 
			
		||||
        matrix_row_t row = 0;
 | 
			
		||||
        for (uint8_t x = 0; x < MATRIX_COLS; x++) {
 | 
			
		||||
            row |= ((matrix_reversed[x] & (1<<y)) >> y) << x;
 | 
			
		||||
        }
 | 
			
		||||
        matrix[y] = row;
 | 
			
		||||
    }
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
    return 1;
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			@ -147,8 +185,14 @@ uint8_t matrix_key_count(void)
 | 
			
		|||
static void init_cols(void)
 | 
			
		||||
{
 | 
			
		||||
    int B = 0, C = 0, D = 0, E = 0, F = 0;
 | 
			
		||||
    for(int x = 0; x < MATRIX_COLS; x++) { 
 | 
			
		||||
 | 
			
		||||
#if DIODE_DIRECTION == COL2ROW
 | 
			
		||||
    for(int x = 0; x < MATRIX_COLS; x++) {
 | 
			
		||||
        int col = COLS[x];
 | 
			
		||||
#else
 | 
			
		||||
    for(int x = 0; x < MATRIX_ROWS; x++) {
 | 
			
		||||
        int col = ROWS[x];
 | 
			
		||||
#endif
 | 
			
		||||
        if ((col & 0xF0) == 0x20) { 
 | 
			
		||||
            B |= (1<<(col & 0x0F)); 
 | 
			
		||||
        } else if ((col & 0xF0) == 0x30) { 
 | 
			
		||||
| 
						 | 
				
			
			@ -171,8 +215,15 @@ static void init_cols(void)
 | 
			
		|||
static matrix_row_t read_cols(void)
 | 
			
		||||
{
 | 
			
		||||
    matrix_row_t result = 0;
 | 
			
		||||
 | 
			
		||||
#if DIODE_DIRECTION == COL2ROW
 | 
			
		||||
    for(int x = 0; x < MATRIX_COLS; x++) {     
 | 
			
		||||
        int col = COLS[x];
 | 
			
		||||
#else
 | 
			
		||||
    for(int x = 0; x < MATRIX_ROWS; x++) {
 | 
			
		||||
        int col = ROWS[x];
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
        if ((col & 0xF0) == 0x20) { 
 | 
			
		||||
            result |= (PINB&(1<<(col & 0x0F)) ? 0 : (1<<x)); 
 | 
			
		||||
        } else if ((col & 0xF0) == 0x30) { 
 | 
			
		||||
| 
						 | 
				
			
			@ -191,8 +242,14 @@ static matrix_row_t read_cols(void)
 | 
			
		|||
static void unselect_rows(void)
 | 
			
		||||
{
 | 
			
		||||
    int B = 0, C = 0, D = 0, E = 0, F = 0;
 | 
			
		||||
 | 
			
		||||
#if DIODE_DIRECTION == COL2ROW
 | 
			
		||||
    for(int x = 0; x < MATRIX_ROWS; x++) { 
 | 
			
		||||
        int row = ROWS[x];
 | 
			
		||||
#else
 | 
			
		||||
    for(int x = 0; x < MATRIX_COLS; x++) { 
 | 
			
		||||
        int row = COLS[x];
 | 
			
		||||
#endif
 | 
			
		||||
        if ((row & 0xF0) == 0x20) { 
 | 
			
		||||
            B |= (1<<(row & 0x0F)); 
 | 
			
		||||
        } else if ((row & 0xF0) == 0x30) { 
 | 
			
		||||
| 
						 | 
				
			
			@ -214,7 +271,13 @@ static void unselect_rows(void)
 | 
			
		|||
 | 
			
		||||
static void select_row(uint8_t row)
 | 
			
		||||
{
 | 
			
		||||
 | 
			
		||||
#if DIODE_DIRECTION == COL2ROW
 | 
			
		||||
    int row_pin = ROWS[row];
 | 
			
		||||
#else
 | 
			
		||||
    int row_pin = COLS[row];
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
    if ((row_pin & 0xF0) == 0x20) { 
 | 
			
		||||
        DDRB  |= (1<<(row_pin & 0x0F));
 | 
			
		||||
        PORTB &= ~(1<<(row_pin & 0x0F));
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
		Loading…
	
	Add table
		Add a link
		
	
		Reference in a new issue