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-rw-r--r--quantum/matrix.c173
1 files changed, 95 insertions, 78 deletions
diff --git a/quantum/matrix.c b/quantum/matrix.c
index a7dab0987..1bacea1be 100644
--- a/quantum/matrix.c
+++ b/quantum/matrix.c
@@ -43,16 +43,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
# define ROW_SHIFTER ((uint32_t)1)
#endif
-#if (MATRIX_ROWS <= 8)
-# define COL_SHIFTER ((uint8_t)1)
-#elif (MATRIX_ROWS <= 16)
-# define COL_SHIFTER ((uint16_t)1)
-#elif (MATRIX_ROWS <= 32)
-# define COL_SHIFTER ((uint32_t)1)
-#endif
-
-
-
#ifdef MATRIX_MASKED
extern const matrix_row_t matrix_mask[];
#endif
@@ -70,6 +60,9 @@ static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
/* matrix state(1:on, 0:off) */
static matrix_row_t matrix[MATRIX_ROWS];
+static matrix_row_t matrix_raw[MATRIX_ROWS];
+
+
#if DIODE_DIRECTION == COL2ROW
static matrix_row_t matrix_debouncing[MATRIX_ROWS];
#else // ROW2COL
@@ -79,13 +72,13 @@ static matrix_row_t matrix[MATRIX_ROWS];
#if (DIODE_DIRECTION == COL2ROW)
static void init_cols(void);
- static matrix_row_t read_cols(void);
+ static void read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
static void unselect_rows(void);
static void select_row(uint8_t row);
static void unselect_row(uint8_t row);
#else // ROW2COL
static void init_rows(void);
- static matrix_col_t read_rows(void);
+ static void read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)
static void unselect_cols(void);
static void unselect_col(uint8_t col);
static void select_col(uint8_t col);
@@ -169,6 +162,7 @@ void matrix_init(void) {
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
matrix[i] = 0;
+ matrix_raw[i] = 0;
matrix_debouncing[i] = 0;
}
@@ -178,6 +172,7 @@ void matrix_init(void) {
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
+ matrix_raw[i] = 0;
matrix[i] = 0;
}
@@ -196,67 +191,73 @@ uint8_t matrix_scan(void)
#if (DIODE_DIRECTION == COL2ROW)
// Set row, read cols
-
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- select_row(i);
- wait_us(30); // without this wait read unstable value.
- matrix_row_t current_row = read_cols();
- if (matrix_debouncing[i] != current_row) {
- matrix_debouncing[i] = current_row;
- if (debouncing) {
- debug("bounce!: "); debug_hex(debouncing); debug("\n");
- }
- debouncing = DEBOUNCING_DELAY;
- }
- unselect_row(i);
+ for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
+ read_cols_on_row(matrix, current_row);
}
- if (debouncing) {
- if (--debouncing) {
- wait_ms(1);
- } else {
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- matrix[i] = matrix_debouncing[i];
- }
- }
- }
+ // select_row(i);
+ // wait_us(30); // without this wait read unstable value.
+ // matrix_row_t current_row = read_cols();
+ // if (matrix_debouncing[i] != current_row) {
+ // matrix_debouncing[i] = current_row;
+ // if (debouncing) {
+ // debug("bounce!: "); debug_hex(debouncing); debug("\n");
+ // }
+ // debouncing = DEBOUNCING_DELAY;
+ // }
+ // unselect_row(i);
+ // }
+
+ // if (debouncing) {
+ // if (--debouncing) {
+ // wait_ms(1);
+ // } else {
+ // for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+ // matrix[i] = matrix_debouncing[i];
+ // }
+ // }
+ // }
#else // ROW2COL
// Set col, read rows
-
- for (uint8_t i = 0; i < MATRIX_COLS; i++) {
- select_col(i);
- wait_us(30); // without this wait read unstable value.
- matrix_col_t current_col = read_rows();
- if (matrix_transposed_debouncing[i] != current_col) {
- matrix_transposed_debouncing[i] = current_col;
- if (debouncing) {
- debug("bounce!: "); debug_hex(debouncing); debug("\n");
- }
- debouncing = DEBOUNCING_DELAY;
- }
- unselect_col(i);
+ for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
+ read_rows_on_col(matrix, current_col);
}
- if (debouncing) {
- if (--debouncing) {
- wait_ms(1);
- } else {
- for (uint8_t i = 0; i < MATRIX_COLS; i++) {
- matrix_transposed[i] = matrix_transposed_debouncing[i];
- }
- }
- }
- // Untranspose matrix
- 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_transposed[x] & (1<<y)) >> y) << x;
- }
- matrix[y] = row;
- }
+ // for (uint8_t i = 0; i < MATRIX_COLS; i++) {
+ // select_col(i);
+ // wait_us(30); // without this wait read unstable value.
+ // matrix_col_t current_col = read_rows();
+ // if (matrix_transposed_debouncing[i] != current_col) {
+ // matrix_transposed_debouncing[i] = current_col;
+ // if (debouncing) {
+ // debug("bounce!: "); debug_hex(debouncing); debug("\n");
+ // }
+ // debouncing = DEBOUNCING_DELAY;
+ // }
+ // unselect_col(i);
+ // }
+
+ // if (debouncing) {
+ // if (--debouncing) {
+ // wait_ms(1);
+ // } else {
+ // for (uint8_t i = 0; i < MATRIX_COLS; i++) {
+ // matrix_transposed[i] = matrix_transposed_debouncing[i];
+ // }
+ // }
+ // }
+
+ // // Untranspose matrix
+ // 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_transposed[x] & (1<<y)) >> y) << x;
+ // }
+ // matrix[y] = row;
+ // }
#endif
@@ -322,16 +323,25 @@ static void init_cols(void)
}
}
-static matrix_row_t read_cols(void)
+static void read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
{
- matrix_row_t result = 0;
+ // Clear data in matrix row
+ current_matrix[current_row] = 0;
- for(uint8_t x = 0; x < MATRIX_COLS; x++) {
- uint8_t pin = col_pins[x];
- result |= (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)) ? 0 : (ROW_SHIFTER << x);
- }
+ // Select row and wait for row selecton to stabilize
+ select_row(current_row);
+ wait_us(30);
- return result;
+ // For each col...
+ for(uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
+
+ // Select the col pin to read (active low)
+ uint8_t pin = col_pins[col_index];
+ uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF));
+
+ // Populate the matrix row with the state of the col pin
+ current_matrix[current_row] |= pin_state ? 0 : (ROW_SHIFTER << col_index);
+ }
}
static void select_row(uint8_t row)
@@ -368,16 +378,23 @@ static void init_rows(void)
}
}
-static matrix_col_t read_rows(void)
+static void read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)
{
- matrix_col_t result = 0;
- for(uint8_t x = 0; x < MATRIX_ROWS; x++) {
- uint8_t pin = row_pins[x];
- result |= (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)) ? 0 : (COL_SHIFTER << x);
- }
+ // Select col and wait for col selecton to stabilize
+ select_col(current_col);
+ wait_us(30);
- return result;
+ // For each row...
+ for(uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) {
+
+ // Select the row pin to read (active low)
+ uint8_t pin = row_pins[row_index];
+ uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF));
+
+ // Populate the matrix row with the state of the col pin
+ current_matrix[row_index] &= pin_state ? ~(ROW_SHIFTER << current_col) : 0;
+ }
}
static void select_col(uint8_t col)
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-12-27 07:27:46 +0000