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Add new DIODE_DIRECTION option

The previous two options were COL2ROW, ROW2COL; this adds CUSTOM_MATRIX
to disable the built-in matrix scanning code.

Most notably, this obviates the need to set MATRIX_ROW_PINS or
MATRIX_COL_PINS.
This commit is contained in:
Nikolaus Wittenstein 2017-02-05 19:42:00 -05:00
parent d961c80df2
commit 8cbf61c919
3 changed files with 12 additions and 8 deletions

View file

@ -4,6 +4,8 @@
/* diode directions */
#define COL2ROW 0
#define ROW2COL 1
#define CUSTOM_MATRIX 2 /* Disables built-in matrix scanning code */
/* I/O pins */
#ifndef F0
#define B0 0x30

View file

@ -60,8 +60,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
extern const matrix_row_t matrix_mask[];
#endif
#if (DIODE_DIRECTION == ROW2COL) || (DIODE_DIRECTION == COL2ROW)
static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
#endif
/* matrix state(1:on, 0:off) */
static matrix_row_t matrix[MATRIX_ROWS];
@ -75,7 +77,7 @@ static matrix_row_t matrix_debouncing[MATRIX_ROWS];
static void unselect_rows(void);
static void select_row(uint8_t row);
static void unselect_row(uint8_t row);
#else // ROW2COL
#elif (DIODE_DIRECTION == ROW2COL)
static void init_rows(void);
static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col);
static void unselect_cols(void);
@ -132,7 +134,7 @@ uint8_t matrix_cols(void) {
// /* PORTxn */
// _SFR_IO8((col_pins[c] >> 4) + 2) |= _BV(col_pins[c] & 0xF);
// }
// #else
// #elif (DIODE_DIRECTION == ROW2COL)
// for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
// /* DDRxn */
// _SFR_IO8((col_pins[c] >> 4) + 1) |= _BV(col_pins[c] & 0xF);
@ -157,7 +159,7 @@ void matrix_init(void) {
#if (DIODE_DIRECTION == COL2ROW)
unselect_rows();
init_cols();
#else // ROW2COL
#elif (DIODE_DIRECTION == ROW2COL)
unselect_cols();
init_rows();
#endif
@ -192,7 +194,7 @@ uint8_t matrix_scan(void)
}
#else // ROW2COL
#elif (DIODE_DIRECTION == ROW2COL)
// Set col, read rows
for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
@ -334,7 +336,7 @@ static void unselect_rows(void)
}
}
#else // ROW2COL
#elif (DIODE_DIRECTION == ROW2COL)
static void init_rows(void)
{

View file

@ -46,7 +46,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define MATRIX_COL_PINS { F1, F0, B0 }
#define UNUSED_PINS
/* COL2ROW or ROW2COL */
/* COL2ROW, ROW2COL, or CUSTOM_MATRIX */
#define DIODE_DIRECTION COL2ROW
// #define BACKLIGHT_PIN B7