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-rw-r--r--quantum/matrix.c374
1 files changed, 146 insertions, 228 deletions
diff --git a/quantum/matrix.c b/quantum/matrix.c
index 2dab6ae941..d5fd7def8a 100644
--- a/quantum/matrix.c
+++ b/quantum/matrix.c
@@ -1,6 +1,6 @@
/*
-Copyright 2012 Jun Wako
-Generated by planckkeyboard.com (2014 Jack Humbert)
+Copyright 2012 Jun Wako
+Copyright 2014 Jack Humbert
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -15,293 +15,211 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-
-/*
- * scan matrix
- */
#include <stdint.h>
#include <stdbool.h>
#include <avr/io.h>
-#include <util/delay.h>
+#include "wait.h"
#include "print.h"
#include "debug.h"
#include "util.h"
#include "matrix.h"
-#ifndef DEBOUNCE
-# define DEBOUNCE 10
+#ifdef MATRIX_HAS_GHOST
+# error "The universal matrix.c file cannot be used for this keyboard."
#endif
-static uint8_t debouncing = DEBOUNCE;
-/* matrix state(1:on, 0:off) */
-static matrix_row_t matrix[MATRIX_ROWS];
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
+#ifndef DEBOUNCING_DELAY
+# define DEBOUNCING_DELAY 5
+#endif
-#if DIODE_DIRECTION == ROW2COL
- static matrix_row_t matrix_reversed[MATRIX_COLS];
- static matrix_row_t matrix_reversed_debouncing[MATRIX_COLS];
+static const io_pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+static const io_pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+/* matrix state */
+#if DIODE_DIRECTION == COL2ROW
+static matrix_row_t matrix[MATRIX_ROWS];
+#else
+static matrix_col_t matrix[MATRIX_COLS];
#endif
+static int8_t debouncing_delay = -1;
+#if DIODE_DIRECTION == COL2ROW
+static void toggle_row(uint8_t row);
static matrix_row_t read_cols(void);
-static void init_cols(void);
-static void unselect_rows(void);
-static void select_row(uint8_t row);
+#else
+static void toggle_col(uint8_t col);
+static matrix_col_t read_rows(void);
+#endif
__attribute__ ((weak))
-void matrix_init_kb(void) {
-
+void matrix_init_quantum(void) {
}
__attribute__ ((weak))
-void matrix_scan_kb(void) {
-
+void matrix_scan_quantum(void) {
}
-inline
-uint8_t matrix_rows(void)
-{
+uint8_t matrix_rows(void) {
return MATRIX_ROWS;
}
-inline
-uint8_t matrix_cols(void)
-{
+uint8_t matrix_cols(void) {
return MATRIX_COLS;
}
-void matrix_init(void)
-{
- // To use PORTF disable JTAG with writing JTD bit twice within four cycles.
- MCUCR |= (1<<JTD);
- MCUCR |= (1<<JTD);
-
-
- // initialize row and col
- unselect_rows();
- init_cols();
-
- // initialize matrix state: all keys off
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- matrix[i] = 0;
- matrix_debouncing[i] = 0;
- }
-
- matrix_init_kb();
-}
-
-
-uint8_t matrix_scan(void)
-{
-
+void matrix_init(void) {
+ /* frees PORTF by setting the JTD bit twice within four cycles */
+ MCUCR |= _BV(JTD);
+ MCUCR |= _BV(JTD);
+ /* initializes the I/O pins */
#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.
- 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 = DEBOUNCE;
- }
- unselect_rows();
+ for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
+ /* DDRxn */
+ _SFR_IO8(row_pins[r].input_addr + 1) |= _BV(row_pins[r].bit);
+ toggle_row(r);
}
-
- if (debouncing) {
- if (--debouncing) {
- _delay_ms(1);
- } else {
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- matrix[i] = matrix_debouncing[i];
- }
- }
+ for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
+ /* PORTxn */
+ _SFR_IO8(col_pins[c].input_addr + 2) |= _BV(col_pins[c].bit);
}
#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();
+ for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
+ /* DDRxn */
+ _SFR_IO8(col_pins[c].input_addr + 1) |= _BV(col_pins[c].bit);
+ toggle_col(c);
+ }
+ for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
+ /* PORTxn */
+ _SFR_IO8(row_pins[r].input_addr + 2) |= _BV(row_pins[r].bit);
}
+#endif
+ matrix_init_quantum();
+}
- if (debouncing) {
- if (--debouncing) {
- _delay_ms(1);
- } else {
- for (uint8_t i = 0; i < MATRIX_COLS; i++) {
- matrix_reversed[i] = matrix_reversed_debouncing[i];
- }
+#if DIODE_DIRECTION == COL2ROW
+uint8_t matrix_scan(void) {
+ static matrix_row_t debouncing_matrix[MATRIX_ROWS];
+ for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
+ toggle_row(r);
+ matrix_row_t state = read_cols();
+ if (debouncing_matrix[r] != state) {
+ debouncing_matrix[r] = state;
+ debouncing_delay = DEBOUNCING_DELAY;
}
+ toggle_row(r);
}
- 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;
+ if (debouncing_delay >= 0) {
+ dprintf("Debouncing delay remaining: %X\n", debouncing_delay);
+ --debouncing_delay;
+ if (debouncing_delay >= 0) {
+ wait_ms(1);
+ }
+ else {
+ for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
+ matrix[r] = debouncing_matrix[r];
+ }
}
- matrix[y] = row;
}
-#endif
-
- matrix_scan_kb();
-
+ matrix_scan_quantum();
return 1;
}
-bool matrix_is_modified(void)
-{
- if (debouncing) return false;
- return true;
+static void toggle_row(uint8_t row) {
+ /* PINxn */
+ _SFR_IO8(row_pins[row].input_addr) = _BV(row_pins[row].bit);
}
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & ((matrix_row_t)1<col));
+static matrix_row_t read_cols(void) {
+ matrix_row_t state = 0;
+ for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
+ /* PINxn */
+ if (!(_SFR_IO8(col_pins[c].input_addr) & _BV(col_pins[c].bit))) {
+ state |= (matrix_row_t)1 << c;
+ }
+ }
+ return state;
}
-inline
-matrix_row_t matrix_get_row(uint8_t row)
-{
+matrix_row_t matrix_get_row(uint8_t row) {
return matrix[row];
}
-void matrix_print(void)
-{
- print("\nr/c 0123456789ABCDEF\n");
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- phex(row); print(": ");
- pbin_reverse16(matrix_get_row(row));
- print("\n");
+#else
+uint8_t matrix_scan(void) {
+ static matrix_col_t debouncing_matrix[MATRIX_COLS];
+ for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
+ toggle_col(c);
+ matrix_col_t state = read_rows();
+ if (debouncing_matrix[c] != state) {
+ debouncing_matrix[c] = state;
+ debouncing_delay = DEBOUNCING_DELAY;
+ }
+ toggle_col(c);
}
-}
-
-uint8_t matrix_key_count(void)
-{
- uint8_t count = 0;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += bitpop16(matrix[i]);
+ if (debouncing_delay >= 0) {
+ dprintf("Debouncing delay remaining: %X\n", debouncing_delay);
+ --debouncing_delay;
+ if (debouncing_delay >= 0) {
+ wait_ms(1);
+ }
+ else {
+ for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
+ matrix[c] = debouncing_matrix[c];
+ }
+ }
}
- return count;
+ matrix_scan_quantum();
+ return 1;
}
-static void init_cols(void)
-{
- int B = 0, C = 0, D = 0, E = 0, F = 0;
+static void toggle_col(uint8_t col) {
+ /* PINxn */
+ _SFR_IO8(col_pins[col].input_addr) = _BV(col_pins[col].bit);
+}
-#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) {
- C |= (1<<(col & 0x0F));
- } else if ((col & 0xF0) == 0x40) {
- D |= (1<<(col & 0x0F));
- } else if ((col & 0xF0) == 0x50) {
- E |= (1<<(col & 0x0F));
- } else if ((col & 0xF0) == 0x60) {
- F |= (1<<(col & 0x0F));
- }
+static matrix_col_t read_rows(void) {
+ matrix_col_t state = 0;
+ for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
+ /* PINxn */
+ if (!(_SFR_IO8(row_pins[r].input_addr) & _BV(row_pins[r].bit))) {
+ state |= (matrix_col_t)1 << r;
+ }
}
- DDRB &= ~(B); PORTB |= (B);
- DDRC &= ~(C); PORTC |= (C);
- DDRD &= ~(D); PORTD |= (D);
- DDRE &= ~(E); PORTE |= (E);
- DDRF &= ~(F); PORTF |= (F);
+ return state;
}
-static matrix_row_t read_cols(void)
-{
- matrix_row_t result = 0;
+matrix_row_t matrix_get_row(uint8_t row) {
+ matrix_row_t state = 0;
+ matrix_col_t mask = (matrix_col_t)1 << row;
+ for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
+ if (matrix[c] & mask) {
+ state |= (matrix_row_t)1 << c;
+ }
+ }
+ return state;
+}
-#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) {
- result |= (PINC&(1<<(col & 0x0F)) ? 0 : (1<<x));
- } else if ((col & 0xF0) == 0x40) {
- result |= (PIND&(1<<(col & 0x0F)) ? 0 : (1<<x));
- } else if ((col & 0xF0) == 0x50) {
- result |= (PINE&(1<<(col & 0x0F)) ? 0 : (1<<x));
- } else if ((col & 0xF0) == 0x60) {
- result |= (PINF&(1<<(col & 0x0F)) ? 0 : (1<<x));
- }
- }
- return result;
+bool matrix_is_modified(void) {
+ if (debouncing_delay >= 0) return false;
+ return true;
}
-static void unselect_rows(void)
-{
- int B = 0, C = 0, D = 0, E = 0, F = 0;
+bool matrix_is_on(uint8_t row, uint8_t col) {
+ return matrix_get_row(row) & (matrix_row_t)1 << col;
+}
-#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) {
- C |= (1<<(row & 0x0F));
- } else if ((row & 0xF0) == 0x40) {
- D |= (1<<(row & 0x0F));
- } else if ((row & 0xF0) == 0x50) {
- E |= (1<<(row & 0x0F));
- } else if ((row & 0xF0) == 0x60) {
- F |= (1<<(row & 0x0F));
- }
+void matrix_print(void) {
+ dprintln("Human-readable matrix state:");
+ for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
+ dprintf("State of row %X: %016b\n", r, bitrev16(matrix_get_row(r)));
}
- DDRB &= ~(B); PORTB |= (B);
- DDRC &= ~(C); PORTC |= (C);
- DDRD &= ~(D); PORTD |= (D);
- DDRE &= ~(E); PORTE |= (E);
- DDRF &= ~(F); PORTF |= (F);
}
-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));
- } else if ((row_pin & 0xF0) == 0x30) {
- DDRC |= (1<<(row_pin & 0x0F));
- PORTC &= ~(1<<(row_pin & 0x0F));
- } else if ((row_pin & 0xF0) == 0x40) {
- DDRD |= (1<<(row_pin & 0x0F));
- PORTD &= ~(1<<(row_pin & 0x0F));
- } else if ((row_pin & 0xF0) == 0x50) {
- DDRE |= (1<<(row_pin & 0x0F));
- PORTE &= ~(1<<(row_pin & 0x0F));
- } else if ((row_pin & 0xF0) == 0x60) {
- DDRF |= (1<<(row_pin & 0x0F));
- PORTF &= ~(1<<(row_pin & 0x0F));
- }
-} \ No newline at end of file
+uint8_t matrix_key_count(void) {
+ uint8_t count = 0;
+ for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
+ count += bitpop16(matrix_get_row(r));
+ }
+ return count;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 19:25:27 +0000