-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
-
-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
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-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 "wait.h"
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-#include "split_util.h"
-#include "pro_micro.h"
-#include "config.h"
-#include "timer.h"
-#ifdef DEBUG_MATRIX_SCAN_RATE
- #include "matrix_scanrate.h"
-#endif
-
-
-
-#ifdef USE_I2C
-# include "i2c.h"
-#else // USE_SERIAL
-# error "only i2c supported"
-#endif
-
-#ifndef DEBOUNCING_DELAY
-# define DEBOUNCING_DELAY 5
-#endif
-
-
-#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)
-#else
-# error "Currently only supports 8 COLS"
-#endif
-
-#define ERROR_DISCONNECT_COUNT 5
-
-#define ROWS_PER_HAND (MATRIX_ROWS/2)
-
-static uint8_t error_count = 0;
-
-static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
-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];
-static matrix_row_t* debouncing_matrix_hand_offsetted; //pointer to matrix_debouncing for our hand
-static matrix_row_t* matrix_hand_offsetted; // pointer to matrix for our hand
-
-//Debouncing counters
-typedef uint8_t debounce_counter_t;
-#define DEBOUNCE_COUNTER_MODULO 250
-#define DEBOUNCE_COUNTER_INACTIVE 251
-static debounce_counter_t debounce_counters[MATRIX_ROWS * MATRIX_COLS];
-static debounce_counter_t *debounce_counters_hand_offsetted;
-
-
-#if (DIODE_DIRECTION == ROW2COL)
- error "Only Col2Row supported";
-#endif
-static void init_cols(void);
-static void unselect_rows(void);
-static void select_row(uint8_t row);
-static void unselect_row(uint8_t row);
-static matrix_row_t optimized_col_reader(void);
-
-__attribute__ ((weak))
-void matrix_init_kb(void) {
- matrix_init_user();
-}
-
-__attribute__ ((weak))
-void matrix_scan_kb(void) {
- matrix_scan_user();
-}
-
-__attribute__ ((weak))
-void matrix_init_user(void) {
-}
-
-__attribute__ ((weak))
-void matrix_scan_user(void) {
-}
-
-__attribute__ ((weak))
-void matrix_slave_scan_user(void) {
-}
-
-inline
-uint8_t matrix_rows(void)
-{
- return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
- return MATRIX_COLS;
-}
-
-void matrix_init(void)
-{
-#ifdef DISABLE_JTAG
- // JTAG disable for PORT F. write JTD bit twice within four cycles.
- MCUCR |= (1<<JTD);
- MCUCR |= (1<<JTD);
-#endif
-
- debug_enable = true;
- debug_matrix = false;
- debug_mouse = false;
- // initialize row and col
- unselect_rows();
- init_cols();
-
- TX_RX_LED_INIT;
-
- // initialize matrix state: all keys off
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- matrix[i] = 0;
- matrix_debouncing[i] = 0;
- }
- int my_hand_offset = isLeftHand ? 0 : (ROWS_PER_HAND);
- debouncing_matrix_hand_offsetted = matrix_debouncing + my_hand_offset;
- matrix_hand_offsetted = matrix + my_hand_offset;
- debounce_counters_hand_offsetted = debounce_counters + my_hand_offset;
-
- for (uint8_t i = 0; i < MATRIX_ROWS * MATRIX_COLS; i++) {
- debounce_counters[i] = DEBOUNCE_COUNTER_INACTIVE;
- }
-
- matrix_init_quantum();
-
-}
-
-//#define TIMER_DIFF(a, b, max) ((a) >= (b) ? (a) - (b) : (max) - (b) + (a))
-void update_debounce_counters(uint8_t current_time)
-{
- debounce_counter_t *debounce_pointer = debounce_counters_hand_offsetted;
- for (uint8_t row = 0; row < ROWS_PER_HAND; row++)
- {
- for (uint8_t col = 0; col < MATRIX_COLS; col++)
- {
- if (*debounce_pointer != DEBOUNCE_COUNTER_INACTIVE)
- {
- if (TIMER_DIFF(current_time, *debounce_pointer, DEBOUNCE_COUNTER_MODULO) >=
- DEBOUNCING_DELAY) {
- *debounce_pointer = DEBOUNCE_COUNTER_INACTIVE;
- }
- }
- debounce_pointer++;
- }
- }
-}
-
-void transfer_matrix_values(uint8_t current_time)
-{
- //upload from debounce_matrix to final matrix;
- debounce_counter_t *debounce_pointer = debounce_counters_hand_offsetted;
- for (uint8_t row = 0; row < ROWS_PER_HAND; row++)
- {
- matrix_row_t row_value = matrix_hand_offsetted[row];
- matrix_row_t debounce_value = debouncing_matrix_hand_offsetted[row];
-
- for (uint8_t col = 0; col < MATRIX_COLS; col++)
- {
- bool final_value = debounce_value & (1 << col);
- bool current_value = row_value & (1 << col);
- if (*debounce_pointer == DEBOUNCE_COUNTER_INACTIVE
- && (current_value != final_value))
- {
- *debounce_pointer = current_time;
- row_value ^= (1 << col);
- }
- debounce_pointer++;
- }
- matrix_hand_offsetted[row] = row_value;
- }
-}
-
-uint8_t _matrix_scan(void)
-{
- uint8_t current_time = timer_read() % DEBOUNCE_COUNTER_MODULO;
-
- // Set row, read cols
- for (uint8_t current_row = 0; current_row < ROWS_PER_HAND; current_row++) {
- select_row(current_row);
- asm volatile ("nop"); asm volatile("nop");
-
- debouncing_matrix_hand_offsetted[current_row] = optimized_col_reader();
- // Unselect row
- unselect_row(current_row);
- }
-
- update_debounce_counters(current_time);
- transfer_matrix_values(current_time);
-
- return 1;
-}
-
-
-// Get rows from other half over i2c
-int i2c_transaction(void) {
- int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
-
- int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
- if (err) goto i2c_error;
-
- // start of matrix stored at 0x00
- err = i2c_master_write(I2C_KEYMAP_START);
- if (err) goto i2c_error;
-
- // Start read
- err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);
- if (err) goto i2c_error;
-
- if (!err) {
- int i;
- for (i = 0; i < ROWS_PER_HAND-1; ++i) {
- matrix[slaveOffset+i] = i2c_master_read(I2C_ACK);
- }
- matrix[slaveOffset+i] = i2c_master_read(I2C_NACK);
- i2c_master_stop();
- } else {
-i2c_error: // the cable is disconnceted, or something else went wrong
- i2c_reset_state();
- return err;
- }
-
- return 0;
-}
-
-uint8_t matrix_scan(void)
-{
-#ifdef DEBUG_MATRIX_SCAN_RATE
- matrix_check_scan_rate();
- matrix_time_between_scans();
-#endif
- uint8_t ret = _matrix_scan();
-
- if( i2c_transaction() ) {
- // turn on the indicator led when halves are disconnected
- TXLED1;
-
- error_count++;
-
- if (error_count > ERROR_DISCONNECT_COUNT) {
- // reset other half if disconnected
- int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
- for (int i = 0; i < ROWS_PER_HAND; ++i) {
- matrix[slaveOffset+i] = 0;
- }
- }
- } else {
- // turn off the indicator led on no error
- TXLED0;
- error_count = 0;
- }
- matrix_scan_quantum();
- return ret;
-}
-
-void matrix_slave_scan(void) {
- _matrix_scan();
-
- int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
-
- for (int i = 0; i < ROWS_PER_HAND; ++i) {
- i2c_slave_buffer[I2C_KEYMAP_START+i] = matrix[offset+i];
- }
-
- matrix_slave_scan_user();
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & ((matrix_row_t)1<<col));
-}
-
-
-inline
-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");
- }
-}
-
-uint8_t matrix_key_count(void)
-{
- uint8_t count = 0;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += bitpop16(matrix[i]);
- }
- return count;
-}
-
-static void init_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
- }
-}
-
-inline
-static matrix_row_t optimized_col_reader(void) {
- //MATRIX_COL_PINS { B6, B2, B3, B1, F7, F6, F5, F4 }
- return (PINB & (1 << 6) ? 0 : (ROW_SHIFTER << 0)) |
- (PINB & (1 << 2) ? 0 : (ROW_SHIFTER << 1)) |
- (PINB & (1 << 3) ? 0 : (ROW_SHIFTER << 2)) |
- (PINB & (1 << 1) ? 0 : (ROW_SHIFTER << 3)) |
- (PINF & (1 << 7) ? 0 : (ROW_SHIFTER << 4)) |
- (PINF & (1 << 6) ? 0 : (ROW_SHIFTER << 5)) |
- (PINF & (1 << 5) ? 0 : (ROW_SHIFTER << 6)) |
- (PINF & (1 << 4) ? 0 : (ROW_SHIFTER << 7));
-}
-
-
-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)
-{
- for(uint8_t x = 0; x < ROWS_PER_HAND; 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
- }
-}
-
+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+
+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
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+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 "wait.h"
+#include "print.h"
+#include "debug.h"
+#include "util.h"
+#include "matrix.h"
+#include "split_util.h"
+#include "pro_micro.h"
+#include "config.h"
+#include "timer.h"
+#ifdef DEBUG_MATRIX_SCAN_RATE
+ #include "matrix_scanrate.h"
+#endif
+
+void matrix_scan_user(void)
+{
+#ifdef DEBUG_MATRIX_SCAN_RATE
+ matrix_check_scan_rate();
+ matrix_time_between_scans();
+#endif
+
+}
+
+// Copy this code to split_common/matrix.c,
+// and call it instead of the unoptimized col_reader. Scan-rate jumps from 1200->1920
+// Also remove the sleep_us(30), not necessary for this keyboard.
+// In usb_descriptor.c, set .PollingIntervalMS = 0x01
+#define ROW_SHIFTER ((uint8_t)1)
+inline static matrix_row_t optimized_col_reader(void) {
+ //MATRIX_COL_PINS { B6, B2, B3, B1, F7, F6, F5, F4 }
+ return (PINB & (1 << 6) ? 0 : (ROW_SHIFTER << 0)) |
+ (PINB & (1 << 2) ? 0 : (ROW_SHIFTER << 1)) |
+ (PINB & (1 << 3) ? 0 : (ROW_SHIFTER << 2)) |
+ (PINB & (1 << 1) ? 0 : (ROW_SHIFTER << 3)) |
+ (PINF & (1 << 7) ? 0 : (ROW_SHIFTER << 4)) |
+ (PINF & (1 << 6) ? 0 : (ROW_SHIFTER << 5)) |
+ (PINF & (1 << 5) ? 0 : (ROW_SHIFTER << 6)) |
+ (PINF & (1 << 4) ? 0 : (ROW_SHIFTER << 7));
+}
+
+
HCoop / jackhill / qmk / firmware.git / commitdiff