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-rw-r--r--quantum/matrix.c333
1 files changed, 226 insertions, 107 deletions
diff --git a/quantum/matrix.c b/quantum/matrix.c
index 3174e07390..f45b251e4d 100644
--- a/quantum/matrix.c
+++ b/quantum/matrix.c
@@ -26,6 +26,27 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "util.h"
#include "matrix.h"
+#if (MATRIX_COLS <= 8)
+# define print_matrix_header() print("\nr/c 01234567\n")
+# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop(matrix[i])
+# define ROW_SHIFTER ((uint8_t)1)
+#elif (MATRIX_COLS <= 16)
+# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
+# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop16(matrix[i])
+# define ROW_SHIFTER ((uint16_t)1)
+#elif (MATRIX_COLS <= 32)
+# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
+# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop32(matrix[i])
+# define ROW_SHIFTER ((uint32_t)1)
+#endif
+
+#ifdef MATRIX_MASKED
+extern const matrix_row_t matrix_mask[];
+#endif
+
/* Set 0 if debouncing isn't needed */
#ifndef DEBOUNCING_DELAY
@@ -38,24 +59,25 @@ 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];
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
-#if MATRIX_COLS > 16
- #define SHIFTER 1UL
-#else
- #define SHIFTER 1
+#if (DIODE_DIRECTION == COL2ROW)
+ static void init_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 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);
#endif
-static matrix_row_t read_cols(void);
-static void init_cols(void);
-static void unselect_rows(void);
-static void select_row(uint8_t row);
-
__attribute__ ((weak))
void matrix_init_quantum(void) {
matrix_init_kb();
@@ -95,7 +117,7 @@ uint8_t matrix_cols(void) {
}
// void matrix_power_up(void) {
-// #if DIODE_DIRECTION == COL2ROW
+// #if (DIODE_DIRECTION == COL2ROW)
// for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
// /* DDRxn */
// _SFR_IO8((row_pins[r] >> 4) + 1) |= _BV(row_pins[r] & 0xF);
@@ -119,19 +141,26 @@ uint8_t matrix_cols(void) {
// }
void matrix_init(void) {
+
// To use PORTF disable JTAG with writing JTD bit twice within four cycles.
- #ifdef __AVR_ATmega32U4__
+ #if (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega32U4__))
MCUCR |= _BV(JTD);
MCUCR |= _BV(JTD);
#endif
// initialize row and col
+#if (DIODE_DIRECTION == COL2ROW)
unselect_rows();
init_cols();
+#else // ROW2COL
+ unselect_cols();
+ init_rows();
+#endif
// 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;
}
@@ -141,65 +170,81 @@ 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);
- wait_us(30); // without this wait read unstable value.
- matrix_row_t cols = read_cols();
- if (matrix_debouncing[i] != cols) {
- matrix_debouncing[i] = cols;
- if (debouncing) {
- debug("bounce!: "); debug_hex(debouncing); debug("\n");
- }
- debouncing = DEBOUNCING_DELAY;
- }
- unselect_rows();
- }
+#if (DIODE_DIRECTION == COL2ROW)
- if (debouncing) {
- if (--debouncing) {
- wait_ms(1);
- } else {
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- matrix[i] = matrix_debouncing[i];
- }
- }
- }
-#else
- for (uint8_t i = 0; i < MATRIX_COLS; i++) {
- select_row(i);
- wait_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 = DEBOUNCING_DELAY;
- }
- unselect_rows();
+ // Set row, read cols
+ 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_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;
+ // 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 current_col = 0; current_col < MATRIX_COLS; current_col++) {
+ read_rows_on_col(matrix, current_col);
}
+
+
+ // 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
matrix_scan_quantum();
-
+// matrix_print();
return 1;
}
@@ -218,15 +263,22 @@ bool matrix_is_on(uint8_t row, uint8_t col)
inline
matrix_row_t matrix_get_row(uint8_t row)
{
+ // Matrix mask lets you disable switches in the returned matrix data. For example, if you have a
+ // switch blocker installed and the switch is always pressed.
+#ifdef MATRIX_MASKED
+ return matrix[row] & matrix_mask[row];
+#else
return matrix[row];
+#endif
}
void matrix_print(void)
{
- print("\nr/c 0123456789ABCDEF\n");
+ print_matrix_header();
+
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
phex(row); print(": ");
- pbin_reverse16(matrix_get_row(row));
+ print_matrix_row(row);
print("\n");
}
}
@@ -235,63 +287,130 @@ uint8_t matrix_key_count(void)
{
uint8_t count = 0;
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += bitpop16(matrix[i]);
+ count += matrix_bitpop(i);
}
return count;
}
+
+
+#if (DIODE_DIRECTION == COL2ROW)
+
static void init_cols(void)
{
-#if DIODE_DIRECTION == COL2ROW
- for(int x = 0; x < MATRIX_COLS; x++) {
- int pin = col_pins[x];
-#else
- for(int x = 0; x < MATRIX_ROWS; x++) {
- int pin = row_pins[x];
-#endif
- _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF);
- _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF);
+ for(uint8_t x = 0; x < MATRIX_COLS; x++) {
+ uint8_t pin = col_pins[x];
+ _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
+ _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
}
}
-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;
-#if DIODE_DIRECTION == COL2ROW
- for(int x = 0; x < MATRIX_COLS; x++) {
- int pin = col_pins[x];
-#else
- for(int x = 0; x < MATRIX_ROWS; x++) {
- int pin = row_pins[x];
-#endif
- result |= (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)) ? 0 : (SHIFTER << x);
+ // Select row and wait for row selecton to stabilize
+ select_row(current_row);
+ wait_us(30);
+
+ // 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);
}
- return result;
+
+ // Unselect row
+ unselect_row(current_row);
+}
+
+static void select_row(uint8_t row)
+{
+ uint8_t pin = row_pins[row];
+ _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT
+ _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW
+}
+
+static void unselect_row(uint8_t row)
+{
+ uint8_t pin = row_pins[row];
+ _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
+ _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
}
static void unselect_rows(void)
{
-#if DIODE_DIRECTION == COL2ROW
- for(int x = 0; x < MATRIX_ROWS; x++) {
- int pin = row_pins[x];
-#else
- for(int x = 0; x < MATRIX_COLS; x++) {
- int pin = col_pins[x];
-#endif
- _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF);
- _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF);
+ for(uint8_t x = 0; x < MATRIX_ROWS; x++) {
+ uint8_t pin = row_pins[x];
+ _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
+ _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
}
}
-static void select_row(uint8_t row)
+#else // ROW2COL
+
+static void init_rows(void)
{
+ for(uint8_t x = 0; x < MATRIX_ROWS; x++) {
+ uint8_t pin = row_pins[x];
+ _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
+ _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
+ }
+}
-#if DIODE_DIRECTION == COL2ROW
- int pin = row_pins[row];
-#else
- int pin = col_pins[row];
-#endif
- _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF);
- _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF);
+static void read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)
+{
+
+ // Select col and wait for col selecton to stabilize
+ select_col(current_col);
+ wait_us(30);
+
+ // For each row...
+ for(uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) {
+
+ // Check row pin state
+ if ((_SFR_IO8(row_pins[row_index] >> 4) & _BV(row_pins[row_index] & 0xF)) == 0)
+ {
+ // Pin LO, set col bit
+ current_matrix[row_index] |= (ROW_SHIFTER << current_col);
+ }
+ else
+ {
+ // Pin HI, clear col bit
+ current_matrix[row_index] &= ~(ROW_SHIFTER << current_col);
+ }
+ }
+
+ // Unselect col
+ unselect_col(current_col);
+}
+
+static void select_col(uint8_t col)
+{
+ uint8_t pin = col_pins[col];
+ _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT
+ _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW
}
+
+static void unselect_col(uint8_t col)
+{
+ uint8_t pin = col_pins[col];
+ _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
+ _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
+}
+
+static void unselect_cols(void)
+{
+ for(uint8_t x = 0; x < MATRIX_COLS; x++) {
+ uint8_t pin = col_pins[x];
+ _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
+ _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
+ }
+}
+
+#endif
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