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-rw-r--r--quantum/matrix.c246
1 files changed, 163 insertions, 83 deletions
diff --git a/quantum/matrix.c b/quantum/matrix.c
index ac81794e5..a7dab0987 100644
--- a/quantum/matrix.c
+++ b/quantum/matrix.c
@@ -26,6 +26,33 @@ 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
+
+#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
@@ -42,24 +69,28 @@ 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_debouncing[MATRIX_ROWS];
-#if DIODE_DIRECTION == ROW2COL
- static matrix_row_t matrix_reversed[MATRIX_COLS];
- static matrix_row_t matrix_reversed_debouncing[MATRIX_COLS];
+#if DIODE_DIRECTION == COL2ROW
+ static matrix_row_t matrix_debouncing[MATRIX_ROWS];
+#else // ROW2COL
+ static matrix_col_t matrix_transposed[MATRIX_COLS];
+ static matrix_col_t matrix_transposed_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 matrix_row_t read_cols(void);
+ 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 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();
@@ -99,7 +130,7 @@ 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);
@@ -123,13 +154,15 @@ 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();
@@ -139,25 +172,43 @@ void matrix_init(void) {
matrix_debouncing[i] = 0;
}
+#else // ROW2COL
+ unselect_cols();
+ init_rows();
+
+ // initialize matrix state: all keys off
+ for (uint8_t i=0; i < MATRIX_ROWS; i++) {
+ matrix[i] = 0;
+ }
+
+ // initialize matrix state: all keys off
+ for (uint8_t i=0; i < MATRIX_COLS; i++) {
+ matrix_transposed_debouncing[i] = 0;
+ }
+#endif
+
matrix_init_quantum();
}
uint8_t matrix_scan(void)
{
-#if DIODE_DIRECTION == COL2ROW
+#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 cols = read_cols();
- if (matrix_debouncing[i] != cols) {
- matrix_debouncing[i] = cols;
+ 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_rows();
+ unselect_row(i);
}
if (debouncing) {
@@ -169,19 +220,23 @@ uint8_t matrix_scan(void)
}
}
}
-#else
+
+#else // ROW2COL
+
+ // Set col, read rows
+
for (uint8_t i = 0; i < MATRIX_COLS; i++) {
- select_row(i);
+ select_col(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;
+ 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_rows();
+ unselect_col(i);
}
if (debouncing) {
@@ -189,17 +244,20 @@ uint8_t matrix_scan(void)
wait_ms(1);
} else {
for (uint8_t i = 0; i < MATRIX_COLS; i++) {
- matrix_reversed[i] = matrix_reversed_debouncing[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_reversed[x] & (1<<y)) >> y) << x;
+ row |= ((matrix_transposed[x] & (1<<y)) >> y) << x;
}
matrix[y] = row;
}
+
#endif
matrix_scan_quantum();
@@ -233,23 +291,11 @@ matrix_row_t matrix_get_row(uint8_t row)
void matrix_print(void)
{
-#if (MATRIX_COLS <= 8)
- print("\nr/c 01234567\n");
-#elif (MATRIX_COLS <= 16)
- print("\nr/c 0123456789ABCDEF\n");
-#elif (MATRIX_COLS <= 32)
- print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n");
-#endif
+ print_matrix_header();
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
phex(row); print(": ");
-#if (MATRIX_COLS <= 8)
- print_bin_reverse8(matrix_get_row(row));
-#elif (MATRIX_COLS <= 16)
- print_bin_reverse16(matrix_get_row(row));
-#elif (MATRIX_COLS <= 32)
- print_bin_reverse32(matrix_get_row(row));
-#endif
+ print_matrix_row(row);
print("\n");
}
}
@@ -258,28 +304,21 @@ uint8_t matrix_key_count(void)
{
uint8_t count = 0;
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-#if (MATRIX_COLS <= 8)
- count += bitpop(matrix[i]);
-#elif (MATRIX_COLS <= 16)
- count += bitpop16(matrix[i]);
-#elif (MATRIX_COLS <= 32)
- count += bitpop32(matrix[i]);
-#endif
+ 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
}
}
@@ -287,40 +326,81 @@ 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 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);
+ 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);
}
+
return result;
}
+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 matrix_col_t read_rows(void)
+{
+ 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);
+ }
+
+ return result;
+}
+
+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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