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-rw-r--r--keyboards/helix/rev2/custom/matrix.c350
-rw-r--r--keyboards/helix/rev2/custom/split_scomm.c92
-rw-r--r--keyboards/helix/rev2/custom/split_scomm.h21
-rw-r--r--keyboards/helix/rev2/custom/split_util.c109
-rw-r--r--keyboards/helix/rev2/custom/split_util.h21
5 files changed, 593 insertions, 0 deletions
diff --git a/keyboards/helix/rev2/custom/matrix.c b/keyboards/helix/rev2/custom/matrix.c
new file mode 100644
index 0000000000..699c15358b
--- /dev/null
+++ b/keyboards/helix/rev2/custom/matrix.c
@@ -0,0 +1,350 @@
+/*
+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 <string.h>
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include "print.h"
+#include "debug.h"
+#include "util.h"
+#include "matrix.h"
+#include "split_util.h"
+#include "quantum.h"
+
+#ifdef USE_MATRIX_I2C
+# include "i2c.h"
+#else // USE_SERIAL
+# include "split_scomm.h"
+#endif
+
+#ifndef DEBOUNCE
+# define DEBOUNCE 5
+#endif
+
+#define ERROR_DISCONNECT_COUNT 5
+
+static uint8_t debouncing = DEBOUNCE;
+static const int 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 read_cols(void);
+static void init_cols(void);
+static void unselect_rows(void);
+static void select_row(uint8_t row);
+static uint8_t matrix_master_scan(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) {
+}
+
+inline
+uint8_t matrix_rows(void)
+{
+ return MATRIX_ROWS;
+}
+
+inline
+uint8_t matrix_cols(void)
+{
+ return MATRIX_COLS;
+}
+
+void matrix_init(void)
+{
+ split_keyboard_setup();
+
+ // initialize row and col
+ unselect_rows();
+ init_cols();
+
+ setPinOutput(B0);
+ setPinOutput(D5);
+ writePinHigh(B0);
+ writePinHigh(D5);
+
+ // initialize matrix state: all keys off
+ for (uint8_t i=0; i < MATRIX_ROWS; i++) {
+ matrix[i] = 0;
+ matrix_debouncing[i] = 0;
+ }
+
+ matrix_init_quantum();
+}
+
+uint8_t _matrix_scan(void)
+{
+ // Right hand is stored after the left in the matirx so, we need to offset it
+ int offset = isLeftHand ? 0 : (ROWS_PER_HAND);
+
+ for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
+ select_row(i);
+ _delay_us(30); // without this wait read unstable value.
+ matrix_row_t cols = read_cols();
+ if (matrix_debouncing[i+offset] != cols) {
+ matrix_debouncing[i+offset] = cols;
+ debouncing = DEBOUNCE;
+ }
+ unselect_rows();
+ }
+
+ if (debouncing) {
+ if (--debouncing) {
+ _delay_ms(1);
+ } else {
+ for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
+ matrix[i+offset] = matrix_debouncing[i+offset];
+ }
+ }
+ }
+
+ return 1;
+}
+
+#ifdef USE_MATRIX_I2C
+
+// 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(0x00);
+ 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;
+}
+
+#else // USE_SERIAL
+
+int serial_transaction(int master_changed) {
+ int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
+#ifdef SERIAL_USE_MULTI_TRANSACTION
+ int ret=serial_update_buffers(master_changed);
+#else
+ int ret=serial_update_buffers();
+#endif
+ if (ret ) {
+ if(ret==2) writePinLow(B0);
+ return 1;
+ }
+ writePinHigh(B0);
+ memcpy(&matrix[slaveOffset],
+ (void *)serial_slave_buffer, sizeof(serial_slave_buffer));
+ return 0;
+}
+#endif
+
+uint8_t matrix_scan(void)
+{
+ if (is_helix_master()) {
+ matrix_master_scan();
+ }else{
+ matrix_slave_scan();
+ int offset = (isLeftHand) ? ROWS_PER_HAND : 0;
+ memcpy(&matrix[offset],
+ (void *)serial_master_buffer, sizeof(serial_master_buffer));
+ matrix_scan_quantum();
+ }
+ return 1;
+}
+
+
+uint8_t matrix_master_scan(void) {
+
+ int ret = _matrix_scan();
+ int mchanged = 1;
+
+#ifndef KEYBOARD_helix_rev1
+ int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
+
+#ifdef USE_MATRIX_I2C
+// for (int i = 0; i < ROWS_PER_HAND; ++i) {
+ /* i2c_slave_buffer[i] = matrix[offset+i]; */
+// i2c_slave_buffer[i] = matrix[offset+i];
+// }
+#else // USE_SERIAL
+ #ifdef SERIAL_USE_MULTI_TRANSACTION
+ mchanged = memcmp((void *)serial_master_buffer,
+ &matrix[offset], sizeof(serial_master_buffer));
+ #endif
+ memcpy((void *)serial_master_buffer,
+ &matrix[offset], sizeof(serial_master_buffer));
+#endif
+#endif
+
+#ifdef USE_MATRIX_I2C
+ if( i2c_transaction() ) {
+#else // USE_SERIAL
+ if( serial_transaction(mchanged) ) {
+#endif
+ // turn on the indicator led when halves are disconnected
+ writePinLow(D5);
+
+ 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
+ writePinHigh(D5);
+ error_count = 0;
+ }
+ matrix_scan_quantum();
+ return ret;
+}
+
+void matrix_slave_scan(void) {
+ _matrix_scan();
+
+ int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
+
+#ifdef USE_MATRIX_I2C
+ for (int i = 0; i < ROWS_PER_HAND; ++i) {
+ /* i2c_slave_buffer[i] = matrix[offset+i]; */
+ i2c_slave_buffer[i] = matrix[offset+i];
+ }
+#else // USE_SERIAL
+ #ifdef SERIAL_USE_MULTI_TRANSACTION
+ int change = 0;
+ #endif
+ for (int i = 0; i < ROWS_PER_HAND; ++i) {
+ #ifdef SERIAL_USE_MULTI_TRANSACTION
+ if( serial_slave_buffer[i] != matrix[offset+i] )
+ change = 1;
+ #endif
+ serial_slave_buffer[i] = matrix[offset+i];
+ }
+ #ifdef SERIAL_USE_MULTI_TRANSACTION
+ slave_buffer_change_count += change;
+ #endif
+#endif
+}
+
+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++) {
+ print_hex8(row); print(": ");
+ print_bin_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(int x = 0; x < MATRIX_COLS; x++) {
+ _SFR_IO8((col_pins[x] >> 4) + 1) &= ~_BV(col_pins[x] & 0xF);
+ _SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF);
+ }
+}
+
+static matrix_row_t read_cols(void)
+{
+ matrix_row_t result = 0;
+ for(int x = 0; x < MATRIX_COLS; x++) {
+ result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x);
+ }
+ return result;
+}
+
+static void unselect_rows(void)
+{
+ for(int x = 0; x < ROWS_PER_HAND; x++) {
+ _SFR_IO8((row_pins[x] >> 4) + 1) &= ~_BV(row_pins[x] & 0xF);
+ _SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF);
+ }
+}
+
+static void select_row(uint8_t row)
+{
+ _SFR_IO8((row_pins[row] >> 4) + 1) |= _BV(row_pins[row] & 0xF);
+ _SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF);
+}
diff --git a/keyboards/helix/rev2/custom/split_scomm.c b/keyboards/helix/rev2/custom/split_scomm.c
new file mode 100644
index 0000000000..378781b98c
--- /dev/null
+++ b/keyboards/helix/rev2/custom/split_scomm.c
@@ -0,0 +1,92 @@
+#ifdef USE_SERIAL
+#ifdef SERIAL_USE_MULTI_TRANSACTION
+/* --- USE flexible API (using multi-type transaction function) --- */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stddef.h>
+#include "split_scomm.h"
+#include "serial.h"
+#ifdef CONSOLE_ENABLE
+ #include "print.h"
+#endif
+
+uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
+uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
+uint8_t volatile status_com = 0;
+uint8_t volatile status1 = 0;
+uint8_t slave_buffer_change_count = 0;
+uint8_t s_change_old = 0xff;
+uint8_t s_change_new = 0xff;
+
+SSTD_t transactions[] = {
+#define GET_SLAVE_STATUS 0
+ /* master buffer not changed, only recive slave_buffer_change_count */
+ { (uint8_t *)&status_com,
+ 0, NULL,
+ sizeof(slave_buffer_change_count), &slave_buffer_change_count,
+ },
+#define PUT_MASTER_GET_SLAVE_STATUS 1
+ /* master buffer changed need send, and recive slave_buffer_change_count */
+ { (uint8_t *)&status_com,
+ sizeof(serial_master_buffer), (uint8_t *)serial_master_buffer,
+ sizeof(slave_buffer_change_count), &slave_buffer_change_count,
+ },
+#define GET_SLAVE_BUFFER 2
+ /* recive serial_slave_buffer */
+ { (uint8_t *)&status1,
+ 0, NULL,
+ sizeof(serial_slave_buffer), (uint8_t *)serial_slave_buffer
+ }
+};
+
+void serial_master_init(void)
+{
+ soft_serial_initiator_init(transactions, TID_LIMIT(transactions));
+}
+
+void serial_slave_init(void)
+{
+ soft_serial_target_init(transactions, TID_LIMIT(transactions));
+}
+
+// 0 => no error
+// 1 => slave did not respond
+// 2 => checksum error
+int serial_update_buffers(int master_update)
+{
+ int status, smatstatus;
+ static int need_retry = 0;
+
+ if( s_change_old != s_change_new ) {
+ smatstatus = soft_serial_transaction(GET_SLAVE_BUFFER);
+ if( smatstatus == TRANSACTION_END ) {
+ s_change_old = s_change_new;
+#ifdef CONSOLE_ENABLE
+ uprintf("slave matrix = %b %b %b %b %b\n",
+ serial_slave_buffer[0], serial_slave_buffer[1],
+ serial_slave_buffer[2], serial_slave_buffer[3],
+ serial_slave_buffer[4] );
+#endif
+ }
+ } else {
+ // serial_slave_buffer dosen't change
+ smatstatus = TRANSACTION_END; // dummy status
+ }
+
+ if( !master_update && !need_retry) {
+ status = soft_serial_transaction(GET_SLAVE_STATUS);
+ } else {
+ status = soft_serial_transaction(PUT_MASTER_GET_SLAVE_STATUS);
+ }
+ if( status == TRANSACTION_END ) {
+ s_change_new = slave_buffer_change_count;
+ need_retry = 0;
+ } else {
+ need_retry = 1;
+ }
+ return smatstatus;
+}
+
+#endif // SERIAL_USE_MULTI_TRANSACTION
+#endif /* USE_SERIAL */
diff --git a/keyboards/helix/rev2/custom/split_scomm.h b/keyboards/helix/rev2/custom/split_scomm.h
new file mode 100644
index 0000000000..16887eb74f
--- /dev/null
+++ b/keyboards/helix/rev2/custom/split_scomm.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#ifndef SERIAL_USE_MULTI_TRANSACTION
+/* --- USE Simple API (OLD API, compatible with let's split serial.c) --- */
+#include "serial.h"
+
+#else
+/* --- USE flexible API (using multi-type transaction function) --- */
+// Buffers for master - slave communication
+#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
+#define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2
+
+extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
+extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];
+extern uint8_t slave_buffer_change_count;
+
+void serial_master_init(void);
+void serial_slave_init(void);
+int serial_update_buffers(int master_changed);
+
+#endif
diff --git a/keyboards/helix/rev2/custom/split_util.c b/keyboards/helix/rev2/custom/split_util.c
new file mode 100644
index 0000000000..ab40315487
--- /dev/null
+++ b/keyboards/helix/rev2/custom/split_util.c
@@ -0,0 +1,109 @@
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/power.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <avr/eeprom.h>
+#include "split_util.h"
+#include "matrix.h"
+#include "keyboard.h"
+#include "wait.h"
+
+#ifdef USE_MATRIX_I2C
+# include "i2c.h"
+#else
+# include "split_scomm.h"
+#endif
+
+#ifdef EE_HANDS
+# include "eeconfig.h"
+#endif
+
+#ifndef SPLIT_USB_TIMEOUT
+# define SPLIT_USB_TIMEOUT 2000
+#endif
+
+#ifndef SPLIT_USB_TIMEOUT_POLL
+# define SPLIT_USB_TIMEOUT_POLL 10
+#endif
+
+volatile bool isLeftHand = true;
+
+bool waitForUsb(void) {
+ for (uint8_t i = 0; i < (SPLIT_USB_TIMEOUT / SPLIT_USB_TIMEOUT_POLL); i++) {
+ // This will return true if a USB connection has been established
+ if (UDADDR & _BV(ADDEN)) {
+ return true;
+ }
+ wait_ms(SPLIT_USB_TIMEOUT_POLL);
+ }
+
+ // Avoid NO_USB_STARTUP_CHECK - Disable USB as the previous checks seem to enable it somehow
+ (USBCON &= ~(_BV(USBE) | _BV(OTGPADE)));
+
+ return false;
+}
+
+
+bool is_keyboard_left(void) {
+#if defined(SPLIT_HAND_PIN)
+ // Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand
+ setPinInput(SPLIT_HAND_PIN);
+ return readPin(SPLIT_HAND_PIN);
+#elif defined(EE_HANDS)
+ return eeconfig_read_handedness();
+#elif defined(MASTER_RIGHT)
+ return !is_helix_master();
+#endif
+
+ return is_helix_master();
+}
+
+bool is_helix_master(void) {
+ static enum { UNKNOWN, MASTER, SLAVE } usbstate = UNKNOWN;
+
+ // only check once, as this is called often
+ if (usbstate == UNKNOWN) {
+#if defined(SPLIT_USB_DETECT)
+ usbstate = waitForUsb() ? MASTER : SLAVE;
+#elif defined(__AVR__)
+ USBCON |= (1 << OTGPADE); // enables VBUS pad
+ wait_us(5);
+
+ usbstate = (USBSTA & (1 << VBUS)) ? MASTER : SLAVE; // checks state of VBUS
+#else
+ usbstate = MASTER;
+#endif
+ }
+
+ return (usbstate == MASTER);
+}
+
+static void keyboard_master_setup(void) {
+
+#ifdef USE_MATRIX_I2C
+ i2c_master_init();
+#else
+ serial_master_init();
+#endif
+}
+
+static void keyboard_slave_setup(void) {
+
+#ifdef USE_MATRIX_I2C
+ i2c_slave_init(SLAVE_I2C_ADDRESS);
+#else
+ serial_slave_init();
+#endif
+}
+
+void split_keyboard_setup(void) {
+ isLeftHand = is_keyboard_left();
+
+ if (is_helix_master()) {
+ keyboard_master_setup();
+ } else {
+ keyboard_slave_setup();
+ }
+ sei();
+}
diff --git a/keyboards/helix/rev2/custom/split_util.h b/keyboards/helix/rev2/custom/split_util.h
new file mode 100644
index 0000000000..3b1d4249f5
--- /dev/null
+++ b/keyboards/helix/rev2/custom/split_util.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#ifdef SPLIT_KEYBOARD
+# error This is helix local split_util.h.
+# error This header file is used only when SPLIT_KEYBOARD=no.
+#endif
+
+#include <stdbool.h>
+#include "eeconfig.h"
+
+#define SLAVE_I2C_ADDRESS 0x32
+
+extern volatile bool isLeftHand;
+
+// slave version of matix scan, defined in matrix.c
+void matrix_slave_scan(void);
+
+void split_keyboard_setup(void);
+bool is_helix_master(void);
+
+void matrix_master_OLED_init (void);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 14:02:46 +0000