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-rw-r--r--quantum/split_common/matrix.c309
-rw-r--r--quantum/split_common/post_config.h9
-rw-r--r--quantum/split_common/split_util.c57
-rw-r--r--quantum/split_common/split_util.h5
-rw-r--r--quantum/split_common/transaction_id_define.h102
-rw-r--r--quantum/split_common/transactions.c723
-rw-r--r--quantum/split_common/transactions.h54
-rw-r--r--quantum/split_common/transport.c484
-rw-r--r--quantum/split_common/transport.h173
9 files changed, 1188 insertions, 728 deletions
diff --git a/quantum/split_common/matrix.c b/quantum/split_common/matrix.c
deleted file mode 100644
index 039e7d9773..0000000000
--- a/quantum/split_common/matrix.c
+++ /dev/null
@@ -1,309 +0,0 @@
-/*
-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/>.
-*/
-#include <stdint.h>
-#include <stdbool.h>
-#include "util.h"
-#include "matrix.h"
-#include "debounce.h"
-#include "quantum.h"
-#include "split_util.h"
-#include "config.h"
-#include "transport.h"
-
-#define ERROR_DISCONNECT_COUNT 5
-
-#define ROWS_PER_HAND (MATRIX_ROWS / 2)
-
-#ifdef DIRECT_PINS
-static pin_t direct_pins[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS;
-#elif (DIODE_DIRECTION == ROW2COL) || (DIODE_DIRECTION == COL2ROW)
-static pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
-static pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
-#endif
-
-/* matrix state(1:on, 0:off) */
-extern matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
-extern matrix_row_t matrix[MATRIX_ROWS]; // debounced values
-
-// row offsets for each hand
-uint8_t thisHand, thatHand;
-
-// user-defined overridable functions
-__attribute__((weak)) void matrix_slave_scan_kb(void) { matrix_slave_scan_user(); }
-__attribute__((weak)) void matrix_slave_scan_user(void) {}
-
-static inline void setPinOutput_writeLow(pin_t pin) {
- ATOMIC_BLOCK_FORCEON {
- setPinOutput(pin);
- writePinLow(pin);
- }
-}
-
-static inline void setPinInputHigh_atomic(pin_t pin) {
- ATOMIC_BLOCK_FORCEON { setPinInputHigh(pin); }
-}
-
-// matrix code
-
-#ifdef DIRECT_PINS
-
-static void init_pins(void) {
- for (int row = 0; row < MATRIX_ROWS; row++) {
- for (int col = 0; col < MATRIX_COLS; col++) {
- pin_t pin = direct_pins[row][col];
- if (pin != NO_PIN) {
- setPinInputHigh(pin);
- }
- }
- }
-}
-
-static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
- // Start with a clear matrix row
- matrix_row_t current_row_value = 0;
-
- for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
- pin_t pin = direct_pins[current_row][col_index];
- if (pin != NO_PIN) {
- current_row_value |= readPin(pin) ? 0 : (MATRIX_ROW_SHIFTER << col_index);
- }
- }
-
- // If the row has changed, store the row and return the changed flag.
- if (current_matrix[current_row] != current_row_value) {
- current_matrix[current_row] = current_row_value;
- return true;
- }
- return false;
-}
-
-#elif defined(DIODE_DIRECTION)
-# if (DIODE_DIRECTION == COL2ROW)
-
-static void select_row(uint8_t row) { setPinOutput_writeLow(row_pins[row]); }
-
-static void unselect_row(uint8_t row) { setPinInputHigh_atomic(row_pins[row]); }
-
-static void unselect_rows(void) {
- for (uint8_t x = 0; x < ROWS_PER_HAND; x++) {
- setPinInputHigh_atomic(row_pins[x]);
- }
-}
-
-static void init_pins(void) {
- unselect_rows();
- for (uint8_t x = 0; x < MATRIX_COLS; x++) {
- setPinInputHigh_atomic(col_pins[x]);
- }
-}
-
-static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
- // Start with a clear matrix row
- matrix_row_t current_row_value = 0;
-
- // Select row
- select_row(current_row);
- matrix_output_select_delay();
-
- // 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_state = readPin(col_pins[col_index]);
-
- // Populate the matrix row with the state of the col pin
- current_row_value |= pin_state ? 0 : (MATRIX_ROW_SHIFTER << col_index);
- }
-
- // Unselect row
- unselect_row(current_row);
- matrix_output_unselect_delay(); // wait for all Col signals to go HIGH
-
- // If the row has changed, store the row and return the changed flag.
- if (current_matrix[current_row] != current_row_value) {
- current_matrix[current_row] = current_row_value;
- return true;
- }
- return false;
-}
-
-# elif (DIODE_DIRECTION == ROW2COL)
-
-static void select_col(uint8_t col) { setPinOutput_writeLow(col_pins[col]); }
-
-static void unselect_col(uint8_t col) { setPinInputHigh_atomic(col_pins[col]); }
-
-static void unselect_cols(void) {
- for (uint8_t x = 0; x < MATRIX_COLS; x++) {
- setPinInputHigh_atomic(col_pins[x]);
- }
-}
-
-static void init_pins(void) {
- unselect_cols();
- for (uint8_t x = 0; x < ROWS_PER_HAND; x++) {
- setPinInputHigh_atomic(row_pins[x]);
- }
-}
-
-static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
- bool matrix_changed = false;
-
- // Select col
- select_col(current_col);
- matrix_output_select_delay();
-
- // For each row...
- for (uint8_t row_index = 0; row_index < ROWS_PER_HAND; row_index++) {
- // Store last value of row prior to reading
- matrix_row_t last_row_value = current_matrix[row_index];
- matrix_row_t current_row_value = last_row_value;
-
- // Check row pin state
- if (readPin(row_pins[row_index]) == 0) {
- // Pin LO, set col bit
- current_row_value |= (MATRIX_ROW_SHIFTER << current_col);
- } else {
- // Pin HI, clear col bit
- current_row_value &= ~(MATRIX_ROW_SHIFTER << current_col);
- }
-
- // Determine if the matrix changed state
- if ((last_row_value != current_row_value)) {
- matrix_changed |= true;
- current_matrix[row_index] = current_row_value;
- }
- }
-
- // Unselect col
- unselect_col(current_col);
- matrix_output_unselect_delay(); // wait for all Row signals to go HIGH
-
- return matrix_changed;
-}
-
-# else
-# error DIODE_DIRECTION must be one of COL2ROW or ROW2COL!
-# endif
-#else
-# error DIODE_DIRECTION is not defined!
-#endif
-
-void matrix_init(void) {
- split_pre_init();
-
- // Set pinout for right half if pinout for that half is defined
- if (!isLeftHand) {
-#ifdef DIRECT_PINS_RIGHT
- const pin_t direct_pins_right[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS_RIGHT;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- for (uint8_t j = 0; j < MATRIX_COLS; j++) {
- direct_pins[i][j] = direct_pins_right[i][j];
- }
- }
-#endif
-#ifdef MATRIX_ROW_PINS_RIGHT
- const pin_t row_pins_right[MATRIX_ROWS] = MATRIX_ROW_PINS_RIGHT;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- row_pins[i] = row_pins_right[i];
- }
-#endif
-#ifdef MATRIX_COL_PINS_RIGHT
- const pin_t col_pins_right[MATRIX_COLS] = MATRIX_COL_PINS_RIGHT;
- for (uint8_t i = 0; i < MATRIX_COLS; i++) {
- col_pins[i] = col_pins_right[i];
- }
-#endif
- }
-
- thisHand = isLeftHand ? 0 : (ROWS_PER_HAND);
- thatHand = ROWS_PER_HAND - thisHand;
-
- // initialize key pins
- init_pins();
-
- // initialize matrix state: all keys off
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- raw_matrix[i] = 0;
- matrix[i] = 0;
- }
-
- debounce_init(ROWS_PER_HAND);
-
- matrix_init_quantum();
-
- split_post_init();
-}
-
-bool matrix_post_scan(void) {
- bool changed = false;
- if (is_keyboard_master()) {
- static uint8_t error_count;
-
- matrix_row_t slave_matrix[ROWS_PER_HAND] = {0};
- if (!transport_master(matrix + thisHand, slave_matrix)) {
- error_count++;
-
- if (error_count > ERROR_DISCONNECT_COUNT) {
- // reset other half if disconnected
- for (int i = 0; i < ROWS_PER_HAND; ++i) {
- matrix[thatHand + i] = 0;
- slave_matrix[i] = 0;
- }
-
- changed = true;
- }
- } else {
- error_count = 0;
-
- for (int i = 0; i < ROWS_PER_HAND; ++i) {
- if (matrix[thatHand + i] != slave_matrix[i]) {
- matrix[thatHand + i] = slave_matrix[i];
- changed = true;
- }
- }
- }
-
- matrix_scan_quantum();
- } else {
- transport_slave(matrix + thatHand, matrix + thisHand);
-
- matrix_slave_scan_kb();
- }
-
- return changed;
-}
-
-uint8_t matrix_scan(void) {
- bool local_changed = false;
-
-#if defined(DIRECT_PINS) || (DIODE_DIRECTION == COL2ROW)
- // Set row, read cols
- for (uint8_t current_row = 0; current_row < ROWS_PER_HAND; current_row++) {
- local_changed |= read_cols_on_row(raw_matrix, current_row);
- }
-#elif (DIODE_DIRECTION == ROW2COL)
- // Set col, read rows
- for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
- local_changed |= read_rows_on_col(raw_matrix, current_col);
- }
-#endif
-
- debounce(raw_matrix, matrix + thisHand, ROWS_PER_HAND, local_changed);
-
- bool remote_changed = matrix_post_scan();
- return (uint8_t)(local_changed || remote_changed);
-}
diff --git a/quantum/split_common/post_config.h b/quantum/split_common/post_config.h
index 4ae1d52732..a4c0a1956b 100644
--- a/quantum/split_common/post_config.h
+++ b/quantum/split_common/post_config.h
@@ -7,13 +7,4 @@
# ifndef F_SCL
# define F_SCL 100000UL // SCL frequency
# endif
-
-#else // use serial
-// When using serial, the user must define RGBLIGHT_SPLIT explicitly
-// in config.h as needed.
-// see quantum/rgblight_post_config.h
-# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-// When using serial and RGBLIGHT_SPLIT need separate transaction
-# define SERIAL_USE_MULTI_TRANSACTION
-# endif
#endif
diff --git a/quantum/split_common/split_util.c b/quantum/split_common/split_util.c
index 9e75e19ce0..35f0a9d181 100644
--- a/quantum/split_common/split_util.c
+++ b/quantum/split_common/split_util.c
@@ -39,6 +39,21 @@
# define SPLIT_USB_TIMEOUT_POLL 10
#endif
+// Max number of consecutive failed communications (one per scan cycle) before the communication is seen as disconnected.
+// Set to 0 to disable the disconnection check altogether.
+#ifndef SPLIT_MAX_CONNECTION_ERRORS
+# define SPLIT_MAX_CONNECTION_ERRORS 10
+#endif // SPLIT_MAX_CONNECTION_ERRORS
+
+// How long (in milliseconds) to block all connection attempts after the communication has been flagged as disconnected.
+// One communication attempt will be allowed everytime this amount of time has passed since the last attempt. If that attempt succeeds, the communication is seen as working again.
+// Set to 0 to disable communication throttling while disconnected
+#ifndef SPLIT_CONNECTION_CHECK_TIMEOUT
+# define SPLIT_CONNECTION_CHECK_TIMEOUT 500
+#endif // SPLIT_CONNECTION_CHECK_TIMEOUT
+
+static uint8_t connection_errors = 0;
+
volatile bool isLeftHand = true;
#if defined(SPLIT_USB_DETECT)
@@ -77,7 +92,11 @@ __attribute__((weak)) 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);
+# ifdef SPLIT_HAND_PIN_LOW_IS_LEFT
+ return !readPin(SPLIT_HAND_PIN);
+# else
return readPin(SPLIT_HAND_PIN);
+# endif
#elif defined(SPLIT_HAND_MATRIX_GRID)
# ifdef SPLIT_HAND_MATRIX_GRID_LOW_IS_RIGHT
return peek_matrix_intersection(SPLIT_HAND_MATRIX_GRID);
@@ -102,7 +121,7 @@ __attribute__((weak)) bool is_keyboard_master(void) {
// Avoid NO_USB_STARTUP_CHECK - Disable USB as the previous checks seem to enable it somehow
if (usbstate == SLAVE) {
- usb_disable();
+ usb_disconnect();
}
}
@@ -138,3 +157,39 @@ void split_post_init(void) {
transport_slave_init();
}
}
+
+bool is_transport_connected(void) { return connection_errors < SPLIT_MAX_CONNECTION_ERRORS; }
+
+bool transport_master_if_connected(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+#if SPLIT_MAX_CONNECTION_ERRORS > 0 && SPLIT_CONNECTION_CHECK_TIMEOUT > 0
+ // Throttle transaction attempts if target doesn't seem to be connected
+ // Without this, a solo half becomes unusable due to constant read timeouts
+ static uint16_t connection_check_timer = 0;
+ const bool is_disconnected = !is_transport_connected();
+ if (is_disconnected && timer_elapsed(connection_check_timer) < SPLIT_CONNECTION_CHECK_TIMEOUT) {
+ return false;
+ }
+#endif // SPLIT_MAX_CONNECTION_ERRORS > 0 && SPLIT_CONNECTION_CHECK_TIMEOUT > 0
+
+ __attribute__((unused)) bool okay = transport_master(master_matrix, slave_matrix);
+#if SPLIT_MAX_CONNECTION_ERRORS > 0
+ if (!okay) {
+ if (connection_errors < UINT8_MAX) {
+ connection_errors++;
+ }
+# if SPLIT_CONNECTION_CHECK_TIMEOUT > 0
+ bool connected = is_transport_connected();
+ if (!connected) {
+ connection_check_timer = timer_read();
+ dprintln("Target disconnected, throttling connection attempts");
+ }
+ return connected;
+ } else if (is_disconnected) {
+ dprintln("Target connected");
+# endif // SPLIT_CONNECTION_CHECK_TIMEOUT > 0
+ }
+
+ connection_errors = 0;
+#endif // SPLIT_MAX_CONNECTION_ERRORS > 0
+ return true;
+}
diff --git a/quantum/split_common/split_util.h b/quantum/split_common/split_util.h
index a4c12519e0..ef72043bb7 100644
--- a/quantum/split_common/split_util.h
+++ b/quantum/split_common/split_util.h
@@ -5,8 +5,13 @@
#include <stdio.h>
#include <stdlib.h>
+#include "matrix.h"
+
extern volatile bool isLeftHand;
void matrix_master_OLED_init(void);
void split_pre_init(void);
void split_post_init(void);
+
+bool transport_master_if_connected(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]);
+bool is_transport_connected(void);
diff --git a/quantum/split_common/transaction_id_define.h b/quantum/split_common/transaction_id_define.h
new file mode 100644
index 0000000000..8dd2cd065f
--- /dev/null
+++ b/quantum/split_common/transaction_id_define.h
@@ -0,0 +1,102 @@
+/* Copyright 2021 QMK
+ *
+ * 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/>.
+ */
+
+#pragma once
+
+enum serial_transaction_id {
+#ifdef USE_I2C
+ I2C_EXECUTE_CALLBACK,
+#endif // USE_I2C
+
+ GET_SLAVE_MATRIX_CHECKSUM,
+ GET_SLAVE_MATRIX_DATA,
+
+#ifdef SPLIT_TRANSPORT_MIRROR
+ PUT_MASTER_MATRIX,
+#endif // SPLIT_TRANSPORT_MIRROR
+
+#ifdef ENCODER_ENABLE
+ GET_ENCODERS_CHECKSUM,
+ GET_ENCODERS_DATA,
+#endif // ENCODER_ENABLE
+
+#ifndef DISABLE_SYNC_TIMER
+ PUT_SYNC_TIMER,
+#endif // DISABLE_SYNC_TIMER
+
+#if !defined(NO_ACTION_LAYER) && defined(SPLIT_LAYER_STATE_ENABLE)
+ PUT_LAYER_STATE,
+ PUT_DEFAULT_LAYER_STATE,
+#endif // !defined(NO_ACTION_LAYER) && defined(SPLIT_LAYER_STATE_ENABLE)
+
+#ifdef SPLIT_LED_STATE_ENABLE
+ PUT_LED_STATE,
+#endif // SPLIT_LED_STATE_ENABLE
+
+#ifdef SPLIT_MODS_ENABLE
+ PUT_MODS,
+#endif // SPLIT_MODS_ENABLE
+
+#ifdef BACKLIGHT_ENABLE
+ PUT_BACKLIGHT,
+#endif // BACKLIGHT_ENABLE
+
+#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+ PUT_RGBLIGHT,
+#endif // defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+
+#if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
+ PUT_LED_MATRIX,
+#endif // defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
+
+#if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
+ PUT_RGB_MATRIX,
+#endif // defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+
+#if defined(WPM_ENABLE) && defined(SPLIT_WPM_ENABLE)
+ PUT_WPM,
+#endif // defined(WPM_ENABLE) && defined(SPLIT_WPM_ENABLE)
+
+#if defined(OLED_DRIVER_ENABLE) && defined(SPLIT_OLED_ENABLE)
+ PUT_OLED,
+#endif // defined(OLED_DRIVER_ENABLE) && defined(SPLIT_OLED_ENABLE)
+
+#if defined(ST7565_ENABLE) && defined(SPLIT_ST7565_ENABLE)
+ PUT_ST7565,
+#endif // defined(ST7565_ENABLE) && defined(SPLIT_ST7565_ENABLE)
+
+#if defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
+ PUT_RPC_INFO,
+ PUT_RPC_REQ_DATA,
+ EXECUTE_RPC,
+ GET_RPC_RESP_DATA,
+#endif // defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
+
+// keyboard-specific
+#ifdef SPLIT_TRANSACTION_IDS_KB
+ SPLIT_TRANSACTION_IDS_KB,
+#endif // SPLIT_TRANSACTION_IDS_KB
+
+// user/keymap-specific
+#ifdef SPLIT_TRANSACTION_IDS_USER
+ SPLIT_TRANSACTION_IDS_USER,
+#endif // SPLIT_TRANSACTION_IDS_USER
+
+ NUM_TOTAL_TRANSACTIONS
+};
+
+// Ensure we only use 5 bits for transaction
+_Static_assert(NUM_TOTAL_TRANSACTIONS <= (1 << 5), "Max number of usable transactions exceeded");
diff --git a/quantum/split_common/transactions.c b/quantum/split_common/transactions.c
new file mode 100644
index 0000000000..28ea4ef6d8
--- /dev/null
+++ b/quantum/split_common/transactions.c
@@ -0,0 +1,723 @@
+/* Copyright 2021 QMK
+ *
+ * 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/>.
+ */
+
+#include <string.h>
+#include <stddef.h>
+
+#include "crc.h"
+#include "debug.h"
+#include "matrix.h"
+#include "quantum.h"
+#include "transactions.h"
+#include "transport.h"
+#include "split_util.h"
+#include "transaction_id_define.h"
+
+#define SYNC_TIMER_OFFSET 2
+
+#ifndef FORCED_SYNC_THROTTLE_MS
+# define FORCED_SYNC_THROTTLE_MS 100
+#endif // FORCED_SYNC_THROTTLE_MS
+
+#define sizeof_member(type, member) sizeof(((type *)NULL)->member)
+
+#define trans_initiator2target_initializer_cb(member, cb) \
+ { &dummy, sizeof_member(split_shared_memory_t, member), offsetof(split_shared_memory_t, member), 0, 0, cb }
+#define trans_initiator2target_initializer(member) trans_initiator2target_initializer_cb(member, NULL)
+
+#define trans_target2initiator_initializer_cb(member, cb) \
+ { &dummy, 0, 0, sizeof_member(split_shared_memory_t, member), offsetof(split_shared_memory_t, member), cb }
+#define trans_target2initiator_initializer(member) trans_target2initiator_initializer_cb(member, NULL)
+
+#define transport_write(id, data, length) transport_execute_transaction(id, data, length, NULL, 0)
+#define transport_read(id, data, length) transport_execute_transaction(id, NULL, 0, data, length)
+
+#if defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
+// Forward-declare the RPC callback handlers
+void slave_rpc_info_callback(uint8_t initiator2target_buffer_size, const void *initiator2target_buffer, uint8_t target2initiator_buffer_size, void *target2initiator_buffer);
+void slave_rpc_exec_callback(uint8_t initiator2target_buffer_size, const void *initiator2target_buffer, uint8_t target2initiator_buffer_size, void *target2initiator_buffer);
+#endif // defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
+
+////////////////////////////////////////////////////
+// Helpers
+
+static bool transaction_handler_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[], const char *prefix, bool (*handler)(matrix_row_t master_matrix[], matrix_row_t slave_matrix[])) {
+ int num_retries = is_transport_connected() ? 10 : 1;
+ for (int iter = 1; iter <= num_retries; ++iter) {
+ if (iter > 1) {
+ for (int i = 0; i < iter * iter; ++i) {
+ wait_us(10);
+ }
+ }
+ bool this_okay = true;
+ ATOMIC_BLOCK_FORCEON { this_okay = handler(master_matrix, slave_matrix); };
+ if (this_okay) return true;
+ }
+ dprintf("Failed to execute %s\n", prefix);
+ return false;
+}
+
+#define TRANSACTION_HANDLER_MASTER(prefix) \
+ do { \
+ if (!transaction_handler_master(master_matrix, slave_matrix, #prefix, &prefix##_handlers_master)) return false; \
+ } while (0)
+
+#define TRANSACTION_HANDLER_SLAVE(prefix) \
+ do { \
+ ATOMIC_BLOCK_FORCEON { prefix##_handlers_slave(master_matrix, slave_matrix); }; \
+ } while (0)
+
+inline static bool read_if_checksum_mismatch(int8_t trans_id_checksum, int8_t trans_id_retrieve, uint32_t *last_update, void *destination, const void *equiv_shmem, size_t length) {
+ uint8_t curr_checksum;
+ bool okay = transport_read(trans_id_checksum, &curr_checksum, sizeof(curr_checksum));
+ if (okay && (timer_elapsed32(*last_update) >= FORCED_SYNC_THROTTLE_MS || curr_checksum != crc8(equiv_shmem, length))) {
+ okay &= transport_read(trans_id_retrieve, destination, length);
+ okay &= curr_checksum == crc8(equiv_shmem, length);
+ if (okay) {
+ *last_update = timer_read32();
+ }
+ } else {
+ memcpy(destination, equiv_shmem, length);
+ }
+ return okay;
+}
+
+inline static bool send_if_condition(int8_t trans_id, uint32_t *last_update, bool condition, void *source, size_t length) {
+ bool okay = true;
+ if (timer_elapsed32(*last_update) >= FORCED_SYNC_THROTTLE_MS || condition) {
+ okay &= transport_write(trans_id, source, length);
+ if (okay) {
+ *last_update = timer_read32();
+ }
+ }
+ return okay;
+}
+
+inline static bool send_if_data_mismatch(int8_t trans_id, uint32_t *last_update, void *source, const void *equiv_shmem, size_t length) {
+ // Just run a memcmp to compare the source and equivalent shmem location
+ return send_if_condition(trans_id, last_update, (memcmp(source, equiv_shmem, length) != 0), source, length);
+}
+
+////////////////////////////////////////////////////
+// Slave matrix
+
+static bool slave_matrix_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ static matrix_row_t last_matrix[(MATRIX_ROWS) / 2] = {0}; // last successfully-read matrix, so we can replicate if there are checksum errors
+ matrix_row_t temp_matrix[(MATRIX_ROWS) / 2]; // holding area while we test whether or not checksum is correct
+
+ bool okay = read_if_checksum_mismatch(GET_SLAVE_MATRIX_CHECKSUM, GET_SLAVE_MATRIX_DATA, &last_update, temp_matrix, split_shmem->smatrix.matrix, sizeof(split_shmem->smatrix.matrix));
+ if (okay) {
+ // Checksum matches the received data, save as the last matrix state
+ memcpy(last_matrix, temp_matrix, sizeof(temp_matrix));
+ }
+ // Copy out the last-known-good matrix state to the slave matrix
+ memcpy(slave_matrix, last_matrix, sizeof(last_matrix));
+ return okay;
+}
+
+static void slave_matrix_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ memcpy(split_shmem->smatrix.matrix, slave_matrix, sizeof(split_shmem->smatrix.matrix));
+ split_shmem->smatrix.checksum = crc8(split_shmem->smatrix.matrix, sizeof(split_shmem->smatrix.matrix));
+}
+
+// clang-format off
+#define TRANSACTIONS_SLAVE_MATRIX_MASTER() TRANSACTION_HANDLER_MASTER(slave_matrix)
+#define TRANSACTIONS_SLAVE_MATRIX_SLAVE() TRANSACTION_HANDLER_SLAVE(slave_matrix)
+#define TRANSACTIONS_SLAVE_MATRIX_REGISTRATIONS \
+ [GET_SLAVE_MATRIX_CHECKSUM] = trans_target2initiator_initializer(smatrix.checksum), \
+ [GET_SLAVE_MATRIX_DATA] = trans_target2initiator_initializer(smatrix.matrix),
+// clang-format on
+
+////////////////////////////////////////////////////
+// Master matrix
+
+#ifdef SPLIT_TRANSPORT_MIRROR
+
+static bool master_matrix_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ return send_if_data_mismatch(PUT_MASTER_MATRIX, &last_update, master_matrix, split_shmem->mmatrix.matrix, sizeof(split_shmem->mmatrix.matrix));
+}
+
+static void master_matrix_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ // Always copy to the master matrix
+ memcpy(master_matrix, split_shmem->mmatrix.matrix, sizeof(split_shmem->mmatrix.matrix));
+}
+
+# define TRANSACTIONS_MASTER_MATRIX_MASTER() TRANSACTION_HANDLER_MASTER(master_matrix)
+# define TRANSACTIONS_MASTER_MATRIX_SLAVE() TRANSACTION_HANDLER_SLAVE(master_matrix)
+# define TRANSACTIONS_MASTER_MATRIX_REGISTRATIONS [PUT_MASTER_MATRIX] = trans_initiator2target_initializer(mmatrix.matrix),
+
+#else // SPLIT_TRANSPORT_MIRROR
+
+# define TRANSACTIONS_MASTER_MATRIX_MASTER()
+# define TRANSACTIONS_MASTER_MATRIX_SLAVE()
+# define TRANSACTIONS_MASTER_MATRIX_REGISTRATIONS
+
+#endif // SPLIT_TRANSPORT_MIRROR
+
+////////////////////////////////////////////////////
+// Encoders
+
+#ifdef ENCODER_ENABLE
+
+static bool encoder_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ uint8_t temp_state[NUMBER_OF_ENCODERS];
+
+ bool okay = read_if_checksum_mismatch(GET_ENCODERS_CHECKSUM, GET_ENCODERS_DATA, &last_update, temp_state, split_shmem->encoders.state, sizeof(temp_state));
+ if (okay) encoder_update_raw(temp_state);
+ return okay;
+}
+
+static void encoder_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ uint8_t encoder_state[NUMBER_OF_ENCODERS];
+ encoder_state_raw(encoder_state);
+ // Always prepare the encoder state for read.
+ memcpy(split_shmem->encoders.state, encoder_state, sizeof(encoder_state));
+ // Now update the checksum given that the encoders has been written to
+ split_shmem->encoders.checksum = crc8(encoder_state, sizeof(encoder_state));
+}
+
+// clang-format off
+# define TRANSACTIONS_ENCODERS_MASTER() TRANSACTION_HANDLER_MASTER(encoder)
+# define TRANSACTIONS_ENCODERS_SLAVE() TRANSACTION_HANDLER_SLAVE(encoder)
+# define TRANSACTIONS_ENCODERS_REGISTRATIONS \
+ [GET_ENCODERS_CHECKSUM] = trans_target2initiator_initializer(encoders.checksum), \
+ [GET_ENCODERS_DATA] = trans_target2initiator_initializer(encoders.state),
+// clang-format on
+
+#else // ENCODER_ENABLE
+
+# define TRANSACTIONS_ENCODERS_MASTER()
+# define TRANSACTIONS_ENCODERS_SLAVE()
+# define TRANSACTIONS_ENCODERS_REGISTRATIONS
+
+#endif // ENCODER_ENABLE
+
+////////////////////////////////////////////////////
+// Sync timer
+
+#ifndef DISABLE_SYNC_TIMER
+
+static bool sync_timer_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+
+ bool okay = true;
+ if (timer_elapsed32(last_update) >= FORCED_SYNC_THROTTLE_MS) {
+ uint32_t sync_timer = sync_timer_read32() + SYNC_TIMER_OFFSET;
+ okay &= transport_write(PUT_SYNC_TIMER, &sync_timer, sizeof(sync_timer));
+ if (okay) {
+ last_update = timer_read32();
+ }
+ }
+ return okay;
+}
+
+static void sync_timer_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_sync_timer = 0;
+ if (last_sync_timer != split_shmem->sync_timer) {
+ last_sync_timer = split_shmem->sync_timer;
+ sync_timer_update(last_sync_timer);
+ }
+}
+
+# define TRANSACTIONS_SYNC_TIMER_MASTER() TRANSACTION_HANDLER_MASTER(sync_timer)
+# define TRANSACTIONS_SYNC_TIMER_SLAVE() TRANSACTION_HANDLER_SLAVE(sync_timer)
+# define TRANSACTIONS_SYNC_TIMER_REGISTRATIONS [PUT_SYNC_TIMER] = trans_initiator2target_initializer(sync_timer),
+
+#else // DISABLE_SYNC_TIMER
+
+# define TRANSACTIONS_SYNC_TIMER_MASTER()
+# define TRANSACTIONS_SYNC_TIMER_SLAVE()
+# define TRANSACTIONS_SYNC_TIMER_REGISTRATIONS
+
+#endif // DISABLE_SYNC_TIMER
+
+////////////////////////////////////////////////////
+// Layer state
+
+#if !defined(NO_ACTION_LAYER) && defined(SPLIT_LAYER_STATE_ENABLE)
+
+static bool layer_state_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_layer_state_update = 0;
+ static uint32_t last_default_layer_state_update = 0;
+
+ bool okay = send_if_condition(PUT_LAYER_STATE, &last_layer_state_update, (layer_state != split_shmem->layers.layer_state), &layer_state, sizeof(layer_state));
+ if (okay) {
+ okay &= send_if_condition(PUT_DEFAULT_LAYER_STATE, &last_default_layer_state_update, (default_layer_state != split_shmem->layers.default_layer_state), &default_layer_state, sizeof(default_layer_state));
+ }
+ return okay;
+}
+
+static void layer_state_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ layer_state = split_shmem->layers.layer_state;
+ default_layer_state = split_shmem->layers.default_layer_state;
+}
+
+// clang-format off
+# define TRANSACTIONS_LAYER_STATE_MASTER() TRANSACTION_HANDLER_MASTER(layer_state)
+# define TRANSACTIONS_LAYER_STATE_SLAVE() TRANSACTION_HANDLER_SLAVE(layer_state)
+# define TRANSACTIONS_LAYER_STATE_REGISTRATIONS \
+ [PUT_LAYER_STATE] = trans_initiator2target_initializer(layers.layer_state), \
+ [PUT_DEFAULT_LAYER_STATE] = trans_initiator2target_initializer(layers.default_layer_state),
+// clang-format on
+
+#else // !defined(NO_ACTION_LAYER) && defined(SPLIT_LAYER_STATE_ENABLE)
+
+# define TRANSACTIONS_LAYER_STATE_MASTER()
+# define TRANSACTIONS_LAYER_STATE_SLAVE()
+# define TRANSACTIONS_LAYER_STATE_REGISTRATIONS
+
+#endif // !defined(NO_ACTION_LAYER) && defined(SPLIT_LAYER_STATE_ENABLE)
+
+////////////////////////////////////////////////////
+// LED state
+
+#ifdef SPLIT_LED_STATE_ENABLE
+
+static bool led_state_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ uint8_t led_state = host_keyboard_leds();
+ return send_if_data_mismatch(PUT_LED_STATE, &last_update, &led_state, &split_shmem->led_state, sizeof(led_state));
+}
+
+static void led_state_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ void set_split_host_keyboard_leds(uint8_t led_state);
+ set_split_host_keyboard_leds(split_shmem->led_state);
+}
+
+# define TRANSACTIONS_LED_STATE_MASTER() TRANSACTION_HANDLER_MASTER(led_state)
+# define TRANSACTIONS_LED_STATE_SLAVE() TRANSACTION_HANDLER_SLAVE(led_state)
+# define TRANSACTIONS_LED_STATE_REGISTRATIONS [PUT_LED_STATE] = trans_initiator2target_initializer(led_state),
+
+#else // SPLIT_LED_STATE_ENABLE
+
+# define TRANSACTIONS_LED_STATE_MASTER()
+# define TRANSACTIONS_LED_STATE_SLAVE()
+# define TRANSACTIONS_LED_STATE_REGISTRATIONS
+
+#endif // SPLIT_LED_STATE_ENABLE
+
+////////////////////////////////////////////////////
+// Mods
+
+#ifdef SPLIT_MODS_ENABLE
+
+static bool mods_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ bool mods_need_sync = timer_elapsed32(last_update) >= FORCED_SYNC_THROTTLE_MS;
+ split_mods_sync_t new_mods;
+ new_mods.real_mods = get_mods();
+ if (!mods_need_sync && new_mods.real_mods != split_shmem->mods.real_mods) {
+ mods_need_sync = true;
+ }
+
+ new_mods.weak_mods = get_weak_mods();
+ if (!mods_need_sync && new_mods.weak_mods != split_shmem->mods.weak_mods) {
+ mods_need_sync = true;
+ }
+
+# ifndef NO_ACTION_ONESHOT
+ new_mods.oneshot_mods = get_oneshot_mods();
+ if (!mods_need_sync && new_mods.oneshot_mods != split_shmem->mods.oneshot_mods) {
+ mods_need_sync = true;
+ }
+# endif // NO_ACTION_ONESHOT
+
+ bool okay = true;
+ if (mods_need_sync) {
+ okay &= transport_write(PUT_MODS, &new_mods, sizeof(new_mods));
+ if (okay) {
+ last_update = timer_read32();
+ }
+ }
+
+ return okay;
+}
+
+static void mods_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ set_mods(split_shmem->mods.real_mods);
+ set_weak_mods(split_shmem->mods.weak_mods);
+# ifndef NO_ACTION_ONESHOT
+ set_oneshot_mods(split_shmem->mods.oneshot_mods);
+# endif
+}
+
+# define TRANSACTIONS_MODS_MASTER() TRANSACTION_HANDLER_MASTER(mods)
+# define TRANSACTIONS_MODS_SLAVE() TRANSACTION_HANDLER_SLAVE(mods)
+# define TRANSACTIONS_MODS_REGISTRATIONS [PUT_MODS] = trans_initiator2target_initializer(mods),
+
+#else // SPLIT_MODS_ENABLE
+
+# define TRANSACTIONS_MODS_MASTER()
+# define TRANSACTIONS_MODS_SLAVE()
+# define TRANSACTIONS_MODS_REGISTRATIONS
+
+#endif // SPLIT_MODS_ENABLE
+
+////////////////////////////////////////////////////
+// Backlight
+
+#ifdef BACKLIGHT_ENABLE
+
+static bool backlight_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ uint8_t level = is_backlight_enabled() ? get_backlight_level() : 0;
+ return send_if_condition(PUT_BACKLIGHT, &last_update, (level != split_shmem->backlight_level), &level, sizeof(level));
+}
+
+static void backlight_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) { backlight_set(split_shmem->backlight_level); }
+
+# define TRANSACTIONS_BACKLIGHT_MASTER() TRANSACTION_HANDLER_MASTER(backlight)
+# define TRANSACTIONS_BACKLIGHT_SLAVE() TRANSACTION_HANDLER_SLAVE(backlight)
+# define TRANSACTIONS_BACKLIGHT_REGISTRATIONS [PUT_BACKLIGHT] = trans_initiator2target_initializer(backlight_level),
+
+#else // BACKLIGHT_ENABLE
+
+# define TRANSACTIONS_BACKLIGHT_MASTER()
+# define TRANSACTIONS_BACKLIGHT_SLAVE()
+# define TRANSACTIONS_BACKLIGHT_REGISTRATIONS
+
+#endif // BACKLIGHT_ENABLE
+
+////////////////////////////////////////////////////
+// RGBLIGHT
+
+#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+
+static bool rgblight_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ rgblight_syncinfo_t rgblight_sync;
+ rgblight_get_syncinfo(&rgblight_sync);
+ if (send_if_condition(PUT_RGBLIGHT, &last_update, (rgblight_sync.status.change_flags != 0), &rgblight_sync, sizeof(rgblight_sync))) {
+ rgblight_clear_change_flags();
+ } else {
+ return false;
+ }
+ return true;
+}
+
+static void rgblight_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ // Update the RGB with the new data
+ if (split_shmem->rgblight_sync.status.change_flags != 0) {
+ rgblight_update_sync(&split_shmem->rgblight_sync, false);
+ split_shmem->rgblight_sync.status.change_flags = 0;
+ }
+}
+
+# define TRANSACTIONS_RGBLIGHT_MASTER() TRANSACTION_HANDLER_MASTER(rgblight)
+# define TRANSACTIONS_RGBLIGHT_SLAVE() TRANSACTION_HANDLER_SLAVE(rgblight)
+# define TRANSACTIONS_RGBLIGHT_REGISTRATIONS [PUT_RGBLIGHT] = trans_initiator2target_initializer(rgblight_sync),
+
+#else // defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+
+# define TRANSACTIONS_RGBLIGHT_MASTER()
+# define TRANSACTIONS_RGBLIGHT_SLAVE()
+# define TRANSACTIONS_RGBLIGHT_REGISTRATIONS
+
+#endif // defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+
+////////////////////////////////////////////////////
+// LED Matrix
+
+#if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
+
+static bool led_matrix_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ led_matrix_sync_t led_matrix_sync;
+ memcpy(&led_matrix_sync.led_matrix, &led_matrix_eeconfig, sizeof(led_eeconfig_t));
+ led_matrix_sync.led_suspend_state = led_matrix_get_suspend_state();
+ return send_if_data_mismatch(PUT_LED_MATRIX, &last_update, &led_matrix_sync, &split_shmem->led_matrix_sync, sizeof(led_matrix_sync));
+}
+
+static void led_matrix_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ memcpy(&led_matrix_eeconfig, &split_shmem->led_matrix_sync.led_matrix, sizeof(led_eeconfig_t));
+ led_matrix_set_suspend_state(split_shmem->led_matrix_sync.led_suspend_state);
+}
+
+# define TRANSACTIONS_LED_MATRIX_MASTER() TRANSACTION_HANDLER_MASTER(led_matrix)
+# define TRANSACTIONS_LED_MATRIX_SLAVE() TRANSACTION_HANDLER_SLAVE(led_matrix)
+# define TRANSACTIONS_LED_MATRIX_REGISTRATIONS [PUT_LED_MATRIX] = trans_initiator2target_initializer(led_matrix_sync),
+
+#else // defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
+
+# define TRANSACTIONS_LED_MATRIX_MASTER()
+# define TRANSACTIONS_LED_MATRIX_SLAVE()
+# define TRANSACTIONS_LED_MATRIX_REGISTRATIONS
+
+#endif // defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
+
+////////////////////////////////////////////////////
+// RGB Matrix
+
+#if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
+
+static bool rgb_matrix_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ rgb_matrix_sync_t rgb_matrix_sync;
+ memcpy(&rgb_matrix_sync.rgb_matrix, &rgb_matrix_config, sizeof(rgb_config_t));
+ rgb_matrix_sync.rgb_suspend_state = rgb_matrix_get_suspend_state();
+ return send_if_data_mismatch(PUT_RGB_MATRIX, &last_update, &rgb_matrix_sync, &split_shmem->rgb_matrix_sync, sizeof(rgb_matrix_sync));
+}
+
+static void rgb_matrix_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ memcpy(&rgb_matrix_config, &split_shmem->rgb_matrix_sync.rgb_matrix, sizeof(rgb_config_t));
+ rgb_matrix_set_suspend_state(split_shmem->rgb_matrix_sync.rgb_suspend_state);
+}
+
+# define TRANSACTIONS_RGB_MATRIX_MASTER() TRANSACTION_HANDLER_MASTER(rgb_matrix)
+# define TRANSACTIONS_RGB_MATRIX_SLAVE() TRANSACTION_HANDLER_SLAVE(rgb_matrix)
+# define TRANSACTIONS_RGB_MATRIX_REGISTRATIONS [PUT_RGB_MATRIX] = trans_initiator2target_initializer(rgb_matrix_sync),
+
+#else // defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
+
+# define TRANSACTIONS_RGB_MATRIX_MASTER()
+# define TRANSACTIONS_RGB_MATRIX_SLAVE()
+# define TRANSACTIONS_RGB_MATRIX_REGISTRATIONS
+
+#endif // defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
+
+////////////////////////////////////////////////////
+// WPM
+
+#if defined(WPM_ENABLE) && defined(SPLIT_WPM_ENABLE)
+
+static bool wpm_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ uint8_t current_wpm = get_current_wpm();
+ return send_if_condition(PUT_WPM, &last_update, (current_wpm != split_shmem->current_wpm), &current_wpm, sizeof(current_wpm));
+}
+
+static void wpm_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) { set_current_wpm(split_shmem->current_wpm); }
+
+# define TRANSACTIONS_WPM_MASTER() TRANSACTION_HANDLER_MASTER(wpm)
+# define TRANSACTIONS_WPM_SLAVE() TRANSACTION_HANDLER_SLAVE(wpm)
+# define TRANSACTIONS_WPM_REGISTRATIONS [PUT_WPM] = trans_initiator2target_initializer(current_wpm),
+
+#else // defined(WPM_ENABLE) && defined(SPLIT_WPM_ENABLE)
+
+# define TRANSACTIONS_WPM_MASTER()
+# define TRANSACTIONS_WPM_SLAVE()
+# define TRANSACTIONS_WPM_REGISTRATIONS
+
+#endif // defined(WPM_ENABLE) && defined(SPLIT_WPM_ENABLE)
+
+////////////////////////////////////////////////////
+// OLED
+
+#if defined(OLED_DRIVER_ENABLE) && defined(SPLIT_OLED_ENABLE)
+
+static bool oled_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ bool current_oled_state = is_oled_on();
+ return send_if_condition(PUT_OLED, &last_update, (current_oled_state != split_shmem->current_oled_state), &current_oled_state, sizeof(current_oled_state));
+}
+
+static void oled_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ if (split_shmem->current_oled_state) {
+ oled_on();
+ } else {
+ oled_off();
+ }
+}
+
+# define TRANSACTIONS_OLED_MASTER() TRANSACTION_HANDLER_MASTER(oled)
+# define TRANSACTIONS_OLED_SLAVE() TRANSACTION_HANDLER_SLAVE(oled)
+# define TRANSACTIONS_OLED_REGISTRATIONS [PUT_OLED] = trans_initiator2target_initializer(current_oled_state),
+
+#else // defined(OLED_DRIVER_ENABLE) && defined(SPLIT_OLED_ENABLE)
+
+# define TRANSACTIONS_OLED_MASTER()
+# define TRANSACTIONS_OLED_SLAVE()
+# define TRANSACTIONS_OLED_REGISTRATIONS
+
+#endif // defined(OLED_ENABLE) && defined(SPLIT_OLED_ENABLE)
+
+////////////////////////////////////////////////////
+// ST7565
+
+#if defined(ST7565_ENABLE) && defined(SPLIT_ST7565_ENABLE)
+
+static bool st7565_handlers_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ static uint32_t last_update = 0;
+ bool current_st7565_state = st7565_is_on();
+ return send_if_condition(PUT_ST7565, &last_update, (current_st7565_state != split_shmem->current_st7565_state), &current_st7565_state, sizeof(current_st7565_state));
+}
+
+static void st7565_handlers_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ if (split_shmem->current_st7565_state) {
+ st7565_on();
+ } else {
+ st7565_off();
+ }
+}
+
+# define TRANSACTIONS_ST7565_MASTER() TRANSACTION_HANDLER_MASTER(st7565)
+# define TRANSACTIONS_ST7565_SLAVE() TRANSACTION_HANDLER_SLAVE(st7565)
+# define TRANSACTIONS_ST7565_REGISTRATIONS [PUT_ST7565] = trans_initiator2target_initializer(current_st7565_state),
+
+#else // defined(ST7565_ENABLE) && defined(SPLIT_ST7565_ENABLE)
+
+# define TRANSACTIONS_ST7565_MASTER()
+# define TRANSACTIONS_ST7565_SLAVE()
+# define TRANSACTIONS_ST7565_REGISTRATIONS
+
+#endif // defined(ST7565_ENABLE) && defined(SPLIT_ST7565_ENABLE)
+
+////////////////////////////////////////////////////
+
+uint8_t dummy;
+split_transaction_desc_t split_transaction_table[NUM_TOTAL_TRANSACTIONS] = {
+ // Set defaults
+ [0 ...(NUM_TOTAL_TRANSACTIONS - 1)] = {NULL, 0, 0, 0, 0, 0},
+
+#ifdef USE_I2C
+ [I2C_EXECUTE_CALLBACK] = trans_initiator2target_initializer(transaction_id),
+#endif // USE_I2C
+
+ // clang-format off
+ TRANSACTIONS_SLAVE_MATRIX_REGISTRATIONS
+ TRANSACTIONS_MASTER_MATRIX_REGISTRATIONS
+ TRANSACTIONS_ENCODERS_REGISTRATIONS
+ TRANSACTIONS_SYNC_TIMER_REGISTRATIONS
+ TRANSACTIONS_LAYER_STATE_REGISTRATIONS
+ TRANSACTIONS_LED_STATE_REGISTRATIONS
+ TRANSACTIONS_MODS_REGISTRATIONS
+ TRANSACTIONS_BACKLIGHT_REGISTRATIONS
+ TRANSACTIONS_RGBLIGHT_REGISTRATIONS
+ TRANSACTIONS_LED_MATRIX_REGISTRATIONS
+ TRANSACTIONS_RGB_MATRIX_REGISTRATIONS
+ TRANSACTIONS_WPM_REGISTRATIONS
+ TRANSACTIONS_OLED_REGISTRATIONS
+ TRANSACTIONS_ST7565_REGISTRATIONS
+// clang-format on
+
+#if defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
+ [PUT_RPC_INFO] = trans_initiator2target_initializer_cb(rpc_info, slave_rpc_info_callback),
+ [PUT_RPC_REQ_DATA] = trans_initiator2target_initializer(rpc_m2s_buffer),
+ [EXECUTE_RPC] = trans_initiator2target_initializer_cb(rpc_info.transaction_id, slave_rpc_exec_callback),
+ [GET_RPC_RESP_DATA] = trans_target2initiator_initializer(rpc_s2m_buffer),
+#endif // defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
+};
+
+bool transactions_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ TRANSACTIONS_SLAVE_MATRIX_MASTER();
+ TRANSACTIONS_MASTER_MATRIX_MASTER();
+ TRANSACTIONS_ENCODERS_MASTER();
+ TRANSACTIONS_SYNC_TIMER_MASTER();
+ TRANSACTIONS_LAYER_STATE_MASTER();
+ TRANSACTIONS_LED_STATE_MASTER();
+ TRANSACTIONS_MODS_MASTER();
+ TRANSACTIONS_BACKLIGHT_MASTER();
+ TRANSACTIONS_RGBLIGHT_MASTER();
+ TRANSACTIONS_LED_MATRIX_MASTER();
+ TRANSACTIONS_RGB_MATRIX_MASTER();
+ TRANSACTIONS_WPM_MASTER();
+ TRANSACTIONS_OLED_MASTER();
+ TRANSACTIONS_ST7565_MASTER();
+ return true;
+}
+
+void transactions_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
+ TRANSACTIONS_SLAVE_MATRIX_SLAVE();
+ TRANSACTIONS_MASTER_MATRIX_SLAVE();
+ TRANSACTIONS_ENCODERS_SLAVE();
+ TRANSACTIONS_SYNC_TIMER_SLAVE();
+ TRANSACTIONS_LAYER_STATE_SLAVE();
+ TRANSACTIONS_LED_STATE_SLAVE();
+ TRANSACTIONS_MODS_SLAVE();
+ TRANSACTIONS_BACKLIGHT_SLAVE();
+ TRANSACTIONS_RGBLIGHT_SLAVE();
+ TRANSACTIONS_LED_MATRIX_SLAVE();
+ TRANSACTIONS_RGB_MATRIX_SLAVE();
+ TRANSACTIONS_WPM_SLAVE();
+ TRANSACTIONS_OLED_SLAVE();
+ TRANSACTIONS_ST7565_SLAVE();
+}
+
+#if defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
+
+void transaction_register_rpc(int8_t transaction_id, slave_callback_t callback) {
+ // Prevent invoking RPC on QMK core sync data
+ if (transaction_id <= GET_RPC_RESP_DATA) return;
+
+ // Set the callback
+ split_transaction_table[transaction_id].slave_callback = callback;
+ split_transaction_table[transaction_id].initiator2target_offset = offsetof(split_shared_memory_t, rpc_m2s_buffer);
+ split_transaction_table[transaction_id].target2initiator_offset = offsetof(split_shared_memory_t, rpc_s2m_buffer);
+}
+
+bool transaction_rpc_exec(int8_t transaction_id, uint8_t initiator2target_buffer_size, const void *initiator2target_buffer, uint8_t target2initiator_buffer_size, void *target2initiator_buffer) {
+ // Prevent transaction attempts while transport is disconnected
+ if (!is_transport_connected()) {
+ return false;
+ }
+ // Prevent invoking RPC on QMK core sync data
+ if (transaction_id <= GET_RPC_RESP_DATA) return false;
+ // Prevent sizing issues
+ if (initiator2target_buffer_size > RPC_M2S_BUFFER_SIZE) return false;
+ if (target2initiator_buffer_size > RPC_S2M_BUFFER_SIZE) return false;
+
+ // Prepare the metadata block
+ rpc_sync_info_t info = {.transaction_id = transaction_id, .m2s_length = initiator2target_buffer_size, .s2m_length = target2initiator_buffer_size};
+
+ // Make sure the local side knows that we're not sending the full block of data
+ split_transaction_table[PUT_RPC_REQ_DATA].initiator2target_buffer_size = initiator2target_buffer_size;
+ split_transaction_table[GET_RPC_RESP_DATA].target2initiator_buffer_size = target2initiator_buffer_size;
+
+ // Run through the sequence:
+ // * set the transaction ID and lengths
+ // * send the request data
+ // * execute RPC callback
+ // * retrieve the response data
+ if (!transport_write(PUT_RPC_INFO, &info, sizeof(info))) {
+ return false;
+ }
+ if (!transport_write(PUT_RPC_REQ_DATA, initiator2target_buffer, initiator2target_buffer_size)) {
+ return false;
+ }
+ if (!transport_write(EXECUTE_RPC, &transaction_id, sizeof(transaction_id))) {
+ return false;
+ }
+ if (!transport_read(GET_RPC_RESP_DATA, target2initiator_buffer, target2initiator_buffer_size)) {
+ return false;
+ }
+ return true;
+}
+
+void slave_rpc_info_callback(uint8_t initiator2target_buffer_size, const void *initiator2target_buffer, uint8_t target2initiator_buffer_size, void *target2initiator_buffer) {
+ // The RPC info block contains the intended transaction ID, as well as the sizes for both inbound and outbound data.
+ // Ignore the args -- the `split_shmem` already has the info, we just need to act upon it.
+ // We must keep the `split_transaction_table` non-const, so that it is able to be modified at runtime.
+
+ split_transaction_table[PUT_RPC_REQ_DATA].initiator2target_buffer_size = split_shmem->rpc_info.m2s_length;
+ split_transaction_table[GET_RPC_RESP_DATA].target2initiator_buffer_size = split_shmem->rpc_info.s2m_length;
+}
+
+void slave_rpc_exec_callback(uint8_t initiator2target_buffer_size, const void *initiator2target_buffer, uint8_t target2initiator_buffer_size, void *target2initiator_buffer) {
+ // We can assume that the buffer lengths are correctly set, now, given that sequentially the rpc_info callback was already executed.
+ // Go through the rpc_info and execute _that_ transaction's callback, with the scratch buffers as inputs.
+ int8_t transaction_id = split_shmem->rpc_info.transaction_id;
+ if (transaction_id < NUM_TOTAL_TRANSACTIONS) {
+ split_transaction_desc_t *trans = &split_transaction_table[transaction_id];
+ if (trans->slave_callback) {
+ trans->slave_callback(split_shmem->rpc_info.m2s_length, split_shmem->rpc_m2s_buffer, split_shmem->rpc_info.s2m_length, split_shmem->rpc_s2m_buffer);
+ }
+ }
+}
+
+#endif // defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
diff --git a/quantum/split_common/transactions.h b/quantum/split_common/transactions.h
new file mode 100644
index 0000000000..53610d6f8e
--- /dev/null
+++ b/quantum/split_common/transactions.h
@@ -0,0 +1,54 @@
+/* Copyright 2021 QMK
+ *
+ * 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/>.
+ */
+
+#pragma once
+
+#include "stdint.h"
+#include "stdbool.h"
+
+#include "matrix.h"
+#include "transaction_id_define.h"
+#include "transport.h"
+
+typedef void (*slave_callback_t)(uint8_t initiator2target_buffer_size, const void *initiator2target_buffer, uint8_t target2initiator_buffer_size, void *target2initiator_buffer);
+
+// Split transaction Descriptor
+typedef struct _split_transaction_desc_t {
+ uint8_t * status;
+ uint8_t initiator2target_buffer_size;
+ uint16_t initiator2target_offset;
+ uint8_t target2initiator_buffer_size;
+ uint16_t target2initiator_offset;
+ slave_callback_t slave_callback;
+} split_transaction_desc_t;
+
+// Forward declaration for the split transactions
+extern split_transaction_desc_t split_transaction_table[NUM_TOTAL_TRANSACTIONS];
+
+#define split_shmem_offset_ptr(offset) (((uint8_t *)split_shmem) + (offset))
+#define split_trans_initiator2target_buffer(trans) (split_shmem_offset_ptr((trans)->initiator2target_offset))
+#define split_trans_target2initiator_buffer(trans) (split_shmem_offset_ptr((trans)->target2initiator_offset))
+
+// returns false if valid data not received from slave
+bool transactions_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]);
+void transactions_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]);
+
+void transaction_register_rpc(int8_t transaction_id, slave_callback_t callback);
+
+bool transaction_rpc_exec(int8_t transaction_id, uint8_t initiator2target_buffer_size, const void *initiator2target_buffer, uint8_t target2initiator_buffer_size, void *target2initiator_buffer);
+
+#define transaction_rpc_send(transaction_id, initiator2target_buffer_size, initiator2target_buffer) transaction_rpc_exec(transaction_id, initiator2target_buffer_size, initiator2target_buffer, 0, NULL)
+#define transaction_rpc_recv(transaction_id, target2initiator_buffer_size, target2initiator_buffer) transaction_rpc_exec(transaction_id, 0, NULL, target2initiator_buffer_size, target2initiator_buffer)
diff --git a/quantum/split_common/transport.c b/quantum/split_common/transport.c
index 9ed0f7591b..bcc0261417 100644
--- a/quantum/split_common/transport.c
+++ b/quantum/split_common/transport.c
@@ -1,452 +1,118 @@
-#include <string.h>
-#include <stddef.h>
-
-#include "config.h"
-#include "matrix.h"
-#include "quantum.h"
-
-#define ROWS_PER_HAND (MATRIX_ROWS / 2)
-#define SYNC_TIMER_OFFSET 2
-
-#ifdef RGBLIGHT_ENABLE
-# include "rgblight.h"
-#endif
-
-#ifdef BACKLIGHT_ENABLE
-# include "backlight.h"
-#endif
-
-#ifdef ENCODER_ENABLE
-# include "encoder.h"
-static pin_t encoders_pad[] = ENCODERS_PAD_A;
-# define NUMBER_OF_ENCODERS (sizeof(encoders_pad) / sizeof(pin_t))
-#endif
-
-#if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
-# include "led_matrix.h"
-#endif
-#if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
-# include "rgb_matrix.h"
-#endif
-
-#if defined(USE_I2C)
+/* Copyright 2021 QMK
+ *
+ * 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/>.
+ */
-# include "i2c_master.h"
-# include "i2c_slave.h"
-
-typedef struct _I2C_slave_buffer_t {
-# ifndef DISABLE_SYNC_TIMER
- uint32_t sync_timer;
-# endif
-# ifdef SPLIT_TRANSPORT_MIRROR
- matrix_row_t mmatrix[ROWS_PER_HAND];
-# endif
- matrix_row_t smatrix[ROWS_PER_HAND];
-# ifdef SPLIT_MODS_ENABLE
- uint8_t real_mods;
- uint8_t weak_mods;
-# ifndef NO_ACTION_ONESHOT
- uint8_t oneshot_mods;
-# endif
-# endif
-# ifdef BACKLIGHT_ENABLE
- uint8_t backlight_level;
-# endif
-# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
- rgblight_syncinfo_t rgblight_sync;
-# endif
-# ifdef ENCODER_ENABLE
- uint8_t encoder_state[NUMBER_OF_ENCODERS];
-# endif
-# ifdef WPM_ENABLE
- uint8_t current_wpm;
-# endif
-# if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
- led_eeconfig_t led_matrix;
- bool led_suspend_state;
-# endif
-# if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
- rgb_config_t rgb_matrix;
- bool rgb_suspend_state;
-# endif
-} I2C_slave_buffer_t;
+#include <string.h>
+#include <debug.h>
-static I2C_slave_buffer_t *const i2c_buffer = (I2C_slave_buffer_t *)i2c_slave_reg;
+#include "transactions.h"
+#include "transport.h"
+#include "transaction_id_define.h"
+#include "atomic_util.h"
-# define I2C_SYNC_TIME_START offsetof(I2C_slave_buffer_t, sync_timer)
-# define I2C_KEYMAP_MASTER_START offsetof(I2C_slave_buffer_t, mmatrix)
-# define I2C_KEYMAP_SLAVE_START offsetof(I2C_slave_buffer_t, smatrix)
-# define I2C_REAL_MODS_START offsetof(I2C_slave_buffer_t, real_mods)
-# define I2C_WEAK_MODS_START offsetof(I2C_slave_buffer_t, weak_mods)
-# define I2C_ONESHOT_MODS_START offsetof(I2C_slave_buffer_t, oneshot_mods)
-# define I2C_BACKLIGHT_START offsetof(I2C_slave_buffer_t, backlight_level)
-# define I2C_RGB_START offsetof(I2C_slave_buffer_t, rgblight_sync)
-# define I2C_ENCODER_START offsetof(I2C_slave_buffer_t, encoder_state)
-# define I2C_WPM_START offsetof(I2C_slave_buffer_t, current_wpm)
-# define I2C_LED_MATRIX_START offsetof(I2C_slave_buffer_t, led_matrix)
-# define I2C_LED_SUSPEND_START offsetof(I2C_slave_buffer_t, led_suspend_state)
-# define I2C_RGB_MATRIX_START offsetof(I2C_slave_buffer_t, rgb_matrix)
-# define I2C_RGB_SUSPEND_START offsetof(I2C_slave_buffer_t, rgb_suspend_state)
+#ifdef USE_I2C
-# define TIMEOUT 100
+# ifndef SLAVE_I2C_TIMEOUT
+# define SLAVE_I2C_TIMEOUT 100
+# endif // SLAVE_I2C_TIMEOUT
# ifndef SLAVE_I2C_ADDRESS
# define SLAVE_I2C_ADDRESS 0x32
# endif
-// Get rows from other half over i2c
-bool transport_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
- i2c_readReg(SLAVE_I2C_ADDRESS, I2C_KEYMAP_SLAVE_START, (void *)slave_matrix, sizeof(i2c_buffer->smatrix), TIMEOUT);
-# ifdef SPLIT_TRANSPORT_MIRROR
- i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_KEYMAP_MASTER_START, (void *)master_matrix, sizeof(i2c_buffer->mmatrix), TIMEOUT);
-# endif
+# include "i2c_master.h"
+# include "i2c_slave.h"
- // write backlight info
-# ifdef BACKLIGHT_ENABLE
- uint8_t level = is_backlight_enabled() ? get_backlight_level() : 0;
- if (level != i2c_buffer->backlight_level) {
- if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_BACKLIGHT_START, (void *)&level, sizeof(level), TIMEOUT) >= 0) {
- i2c_buffer->backlight_level = level;
- }
- }
-# endif
+// Ensure the I2C buffer has enough space
+_Static_assert(sizeof(split_shared_memory_t) <= I2C_SLAVE_REG_COUNT, "split_shared_memory_t too large for I2C_SLAVE_REG_COUNT");
-# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
- if (rgblight_get_change_flags()) {
- rgblight_syncinfo_t rgblight_sync;
- rgblight_get_syncinfo(&rgblight_sync);
- if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_RGB_START, (void *)&rgblight_sync, sizeof(rgblight_sync), TIMEOUT) >= 0) {
- rgblight_clear_change_flags();
- }
- }
-# endif
+split_shared_memory_t *const split_shmem = (split_shared_memory_t *)i2c_slave_reg;
-# ifdef ENCODER_ENABLE
- i2c_readReg(SLAVE_I2C_ADDRESS, I2C_ENCODER_START, (void *)i2c_buffer->encoder_state, sizeof(i2c_buffer->encoder_state), TIMEOUT);
- encoder_update_raw(i2c_buffer->encoder_state);
-# endif
+void transport_master_init(void) { i2c_init(); }
+void transport_slave_init(void) { i2c_slave_init(SLAVE_I2C_ADDRESS); }
-# ifdef WPM_ENABLE
- uint8_t current_wpm = get_current_wpm();
- if (current_wpm != i2c_buffer->current_wpm) {
- if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_WPM_START, (void *)&current_wpm, sizeof(current_wpm), TIMEOUT) >= 0) {
- i2c_buffer->current_wpm = current_wpm;
- }
+i2c_status_t transport_trigger_callback(int8_t id) {
+ // If there's no callback, indicate that we were successful
+ if (!split_transaction_table[id].slave_callback) {
+ return I2C_STATUS_SUCCESS;
}
-# endif
-# ifdef SPLIT_MODS_ENABLE
- uint8_t real_mods = get_mods();
- if (real_mods != i2c_buffer->real_mods) {
- if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_REAL_MODS_START, (void *)&real_mods, sizeof(real_mods), TIMEOUT) >= 0) {
- i2c_buffer->real_mods = real_mods;
+ // Kick off the "callback executor", now that data has been written to the slave
+ split_shmem->transaction_id = id;
+ split_transaction_desc_t *trans = &split_transaction_table[I2C_EXECUTE_CALLBACK];
+ return i2c_writeReg(SLAVE_I2C_ADDRESS, trans->initiator2target_offset, split_trans_initiator2target_buffer(trans), trans->initiator2target_buffer_size, SLAVE_I2C_TIMEOUT);
+}
+
+bool transport_execute_transaction(int8_t id, const void *initiator2target_buf, uint16_t initiator2target_length, void *target2initiator_buf, uint16_t target2initiator_length) {
+ i2c_status_t status;
+ split_transaction_desc_t *trans = &split_transaction_table[id];
+ if (initiator2target_length > 0) {
+ size_t len = trans->initiator2target_buffer_size < initiator2target_length ? trans->initiator2target_buffer_size : initiator2target_length;
+ memcpy(split_trans_initiator2target_buffer(trans), initiator2target_buf, len);
+ if ((status = i2c_writeReg(SLAVE_I2C_ADDRESS, trans->initiator2target_offset, split_trans_initiator2target_buffer(trans), len, SLAVE_I2C_TIMEOUT)) < 0) {
+ return false;
}
}
- uint8_t weak_mods = get_weak_mods();
- if (weak_mods != i2c_buffer->weak_mods) {
- if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_WEAK_MODS_START, (void *)&weak_mods, sizeof(weak_mods), TIMEOUT) >= 0) {
- i2c_buffer->weak_mods = weak_mods;
- }
+ // If we need to execute a callback on the slave, do so
+ if ((status = transport_trigger_callback(id)) < 0) {
+ return false;
}
-# ifndef NO_ACTION_ONESHOT
- uint8_t oneshot_mods = get_oneshot_mods();
- if (oneshot_mods != i2c_buffer->oneshot_mods) {
- if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_ONESHOT_MODS_START, (void *)&oneshot_mods, sizeof(oneshot_mods), TIMEOUT) >= 0) {
- i2c_buffer->oneshot_mods = oneshot_mods;
+ if (target2initiator_length > 0) {
+ size_t len = trans->target2initiator_buffer_size < target2initiator_length ? trans->target2initiator_buffer_size : target2initiator_length;
+ if ((status = i2c_readReg(SLAVE_I2C_ADDRESS, trans->target2initiator_offset, split_trans_target2initiator_buffer(trans), len, SLAVE_I2C_TIMEOUT)) < 0) {
+ return false;
}
+ memcpy(target2initiator_buf, split_trans_target2initiator_buffer(trans), len);
}
-# endif
-# endif
-# if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
- i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_LED_MATRIX_START, (void *)led_matrix_eeconfig, sizeof(i2c_buffer->led_matrix), TIMEOUT);
- bool suspend_state = led_matrix_get_suspend_state();
- i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_LED_SUSPEND_START, (void *)suspend_state, sizeof(i2c_buffer->led_suspend_state), TIMEOUT);
-# endif
-# if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
- i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_RGB_MATRIX_START, (void *)rgb_matrix_config, sizeof(i2c_buffer->rgb_matrix), TIMEOUT);
- bool suspend_state = rgb_matrix_get_suspend_state();
- i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_RGB_SUSPEND_START, (void *)suspend_state, sizeof(i2c_buffer->rgb_suspend_state), TIMEOUT);
-# endif
-
-# ifndef DISABLE_SYNC_TIMER
- i2c_buffer->sync_timer = sync_timer_read32() + SYNC_TIMER_OFFSET;
- i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_SYNC_TIME_START, (void *)&i2c_buffer->sync_timer, sizeof(i2c_buffer->sync_timer), TIMEOUT);
-# endif
return true;
}
-void transport_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
-# ifndef DISABLE_SYNC_TIMER
- sync_timer_update(i2c_buffer->sync_timer);
-# endif
- // Copy matrix to I2C buffer
- memcpy((void *)i2c_buffer->smatrix, (void *)slave_matrix, sizeof(i2c_buffer->smatrix));
-# ifdef SPLIT_TRANSPORT_MIRROR
- memcpy((void *)master_matrix, (void *)i2c_buffer->mmatrix, sizeof(i2c_buffer->mmatrix));
-# endif
-
-// Read Backlight Info
-# ifdef BACKLIGHT_ENABLE
- backlight_set(i2c_buffer->backlight_level);
-# endif
-
-# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
- // Update the RGB with the new data
- if (i2c_buffer->rgblight_sync.status.change_flags != 0) {
- rgblight_update_sync(&i2c_buffer->rgblight_sync, false);
- i2c_buffer->rgblight_sync.status.change_flags = 0;
- }
-# endif
-
-# ifdef ENCODER_ENABLE
- encoder_state_raw(i2c_buffer->encoder_state);
-# endif
-
-# ifdef WPM_ENABLE
- set_current_wpm(i2c_buffer->current_wpm);
-# endif
-
-# ifdef SPLIT_MODS_ENABLE
- set_mods(i2c_buffer->real_mods);
- set_weak_mods(i2c_buffer->weak_mods);
-# ifndef NO_ACTION_ONESHOT
- set_oneshot_mods(i2c_buffer->oneshot_mods);
-# endif
-# endif
-
-# if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
- memcpy((void *)i2c_buffer->led_matrix, (void *)led_matrix_eeconfig, sizeof(i2c_buffer->led_matrix));
- led_matrix_set_suspend_state(i2c_buffer->led_suspend_state);
-# endif
-# if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
- memcpy((void *)i2c_buffer->rgb_matrix, (void *)rgb_matrix_config, sizeof(i2c_buffer->rgb_matrix));
- rgb_matrix_set_suspend_state(i2c_buffer->rgb_suspend_state);
-# endif
-}
-
-void transport_master_init(void) { i2c_init(); }
-
-void transport_slave_init(void) { i2c_slave_init(SLAVE_I2C_ADDRESS); }
-
-#else // USE_SERIAL
+#else // USE_I2C
# include "serial.h"
-typedef struct _Serial_s2m_buffer_t {
- // TODO: if MATRIX_COLS > 8 change to uint8_t packed_matrix[] for pack/unpack
- matrix_row_t smatrix[ROWS_PER_HAND];
-
-# ifdef ENCODER_ENABLE
- uint8_t encoder_state[NUMBER_OF_ENCODERS];
-# endif
-
-} Serial_s2m_buffer_t;
-
-typedef struct _Serial_m2s_buffer_t {
-# ifdef SPLIT_MODS_ENABLE
- uint8_t real_mods;
- uint8_t weak_mods;
-# ifndef NO_ACTION_ONESHOT
- uint8_t oneshot_mods;
-# endif
-# endif
-# ifndef DISABLE_SYNC_TIMER
- uint32_t sync_timer;
-# endif
-# ifdef SPLIT_TRANSPORT_MIRROR
- matrix_row_t mmatrix[ROWS_PER_HAND];
-# endif
-# ifdef BACKLIGHT_ENABLE
- uint8_t backlight_level;
-# endif
-# ifdef WPM_ENABLE
- uint8_t current_wpm;
-# endif
-# if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
- led_eeconfig_t led_matrix;
- bool led_suspend_state;
-# endif
-# if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
- rgb_config_t rgb_matrix;
- bool rgb_suspend_state;
-# endif
-} Serial_m2s_buffer_t;
-
-# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-// When MCUs on both sides drive their respective RGB LED chains,
-// it is necessary to synchronize, so it is necessary to communicate RGB
-// information. In that case, define RGBLIGHT_SPLIT with info on the number
-// of LEDs on each half.
-//
-// Otherwise, if the master side MCU drives both sides RGB LED chains,
-// there is no need to communicate.
-
-typedef struct _Serial_rgblight_t {
- rgblight_syncinfo_t rgblight_sync;
-} Serial_rgblight_t;
+static split_shared_memory_t shared_memory;
+split_shared_memory_t *const split_shmem = &shared_memory;
-volatile Serial_rgblight_t serial_rgblight = {};
-uint8_t volatile status_rgblight = 0;
-# endif
-
-volatile Serial_s2m_buffer_t serial_s2m_buffer = {};
-volatile Serial_m2s_buffer_t serial_m2s_buffer = {};
-uint8_t volatile status0 = 0;
-
-enum serial_transaction_id {
- GET_SLAVE_MATRIX = 0,
-# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
- PUT_RGBLIGHT,
-# endif
-};
-
-SSTD_t transactions[] = {
- [GET_SLAVE_MATRIX] =
- {
- (uint8_t *)&status0,
- sizeof(serial_m2s_buffer),
- (uint8_t *)&serial_m2s_buffer,
- sizeof(serial_s2m_buffer),
- (uint8_t *)&serial_s2m_buffer,
- },
-# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
- [PUT_RGBLIGHT] =
- {
- (uint8_t *)&status_rgblight, sizeof(serial_rgblight), (uint8_t *)&serial_rgblight, 0, NULL // no slave to master transfer
- },
-# endif
-};
-
-void transport_master_init(void) { soft_serial_initiator_init(transactions, TID_LIMIT(transactions)); }
-
-void transport_slave_init(void) { soft_serial_target_init(transactions, TID_LIMIT(transactions)); }
+void transport_master_init(void) { soft_serial_initiator_init(); }
+void transport_slave_init(void) { soft_serial_target_init(); }
-# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-
-// rgblight synchronization information communication.
-
-void transport_rgblight_master(void) {
- if (rgblight_get_change_flags()) {
- rgblight_get_syncinfo((rgblight_syncinfo_t *)&serial_rgblight.rgblight_sync);
- if (soft_serial_transaction(PUT_RGBLIGHT) == TRANSACTION_END) {
- rgblight_clear_change_flags();
- }
- }
-}
-
-void transport_rgblight_slave(void) {
- if (status_rgblight == TRANSACTION_ACCEPTED) {
- rgblight_update_sync((rgblight_syncinfo_t *)&serial_rgblight.rgblight_sync, false);
- status_rgblight = TRANSACTION_END;
+bool transport_execute_transaction(int8_t id, const void *initiator2target_buf, uint16_t initiator2target_length, void *target2initiator_buf, uint16_t target2initiator_length) {
+ split_transaction_desc_t *trans = &split_transaction_table[id];
+ if (initiator2target_length > 0) {
+ size_t len = trans->initiator2target_buffer_size < initiator2target_length ? trans->initiator2target_buffer_size : initiator2target_length;
+ memcpy(split_trans_initiator2target_buffer(trans), initiator2target_buf, len);
}
-}
-# else
-# define transport_rgblight_master()
-# define transport_rgblight_slave()
-# endif
-
-bool transport_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
-# ifndef SERIAL_USE_MULTI_TRANSACTION
- if (soft_serial_transaction() != TRANSACTION_END) {
- return false;
- }
-# else
- transport_rgblight_master();
- if (soft_serial_transaction(GET_SLAVE_MATRIX) != TRANSACTION_END) {
+ if (soft_serial_transaction(id) != TRANSACTION_END) {
return false;
}
-# endif
- // TODO: if MATRIX_COLS > 8 change to unpack()
- for (int i = 0; i < ROWS_PER_HAND; ++i) {
- slave_matrix[i] = serial_s2m_buffer.smatrix[i];
-# ifdef SPLIT_TRANSPORT_MIRROR
- serial_m2s_buffer.mmatrix[i] = master_matrix[i];
-# endif
+ if (target2initiator_length > 0) {
+ size_t len = trans->target2initiator_buffer_size < target2initiator_length ? trans->target2initiator_buffer_size : target2initiator_length;
+ memcpy(target2initiator_buf, split_trans_target2initiator_buffer(trans), len);
}
-# ifdef BACKLIGHT_ENABLE
- // Write backlight level for slave to read
- serial_m2s_buffer.backlight_level = is_backlight_enabled() ? get_backlight_level() : 0;
-# endif
-
-# ifdef ENCODER_ENABLE
- encoder_update_raw((uint8_t *)serial_s2m_buffer.encoder_state);
-# endif
-
-# ifdef WPM_ENABLE
- // Write wpm to slave
- serial_m2s_buffer.current_wpm = get_current_wpm();
-# endif
-
-# ifdef SPLIT_MODS_ENABLE
- serial_m2s_buffer.real_mods = get_mods();
- serial_m2s_buffer.weak_mods = get_weak_mods();
-# ifndef NO_ACTION_ONESHOT
- serial_m2s_buffer.oneshot_mods = get_oneshot_mods();
-# endif
-# endif
-
-# if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
- serial_m2s_buffer.led_matrix = led_matrix_eeconfig;
- serial_m2s_buffer.led_suspend_state = led_matrix_get_suspend_state();
-# endif
-# if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
- serial_m2s_buffer.rgb_matrix = rgb_matrix_config;
- serial_m2s_buffer.rgb_suspend_state = rgb_matrix_get_suspend_state();
-# endif
-
-# ifndef DISABLE_SYNC_TIMER
- serial_m2s_buffer.sync_timer = sync_timer_read32() + SYNC_TIMER_OFFSET;
-# endif
return true;
}
-void transport_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
- transport_rgblight_slave();
-# ifndef DISABLE_SYNC_TIMER
- sync_timer_update(serial_m2s_buffer.sync_timer);
-# endif
-
- // TODO: if MATRIX_COLS > 8 change to pack()
- for (int i = 0; i < ROWS_PER_HAND; ++i) {
- serial_s2m_buffer.smatrix[i] = slave_matrix[i];
-# ifdef SPLIT_TRANSPORT_MIRROR
- master_matrix[i] = serial_m2s_buffer.mmatrix[i];
-# endif
- }
-# ifdef BACKLIGHT_ENABLE
- backlight_set(serial_m2s_buffer.backlight_level);
-# endif
-
-# ifdef ENCODER_ENABLE
- encoder_state_raw((uint8_t *)serial_s2m_buffer.encoder_state);
-# endif
+#endif // USE_I2C
-# ifdef WPM_ENABLE
- set_current_wpm(serial_m2s_buffer.current_wpm);
-# endif
-
-# ifdef SPLIT_MODS_ENABLE
- set_mods(serial_m2s_buffer.real_mods);
- set_weak_mods(serial_m2s_buffer.weak_mods);
-# ifndef NO_ACTION_ONESHOT
- set_oneshot_mods(serial_m2s_buffer.oneshot_mods);
-# endif
-# endif
-
-# if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
- led_matrix_eeconfig = serial_m2s_buffer.led_matrix;
- led_matrix_set_suspend_state(serial_m2s_buffer.led_suspend_state);
-# endif
-# if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
- rgb_matrix_config = serial_m2s_buffer.rgb_matrix;
- rgb_matrix_set_suspend_state(serial_m2s_buffer.rgb_suspend_state);
-# endif
-}
+bool transport_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) { return transactions_master(master_matrix, slave_matrix); }
-#endif
+void transport_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) { transactions_slave(master_matrix, slave_matrix); }
diff --git a/quantum/split_common/transport.h b/quantum/split_common/transport.h
index a9f66301bf..f7abb9979e 100644
--- a/quantum/split_common/transport.h
+++ b/quantum/split_common/transport.h
@@ -1,10 +1,183 @@
+/* Copyright 2021 QMK
+ *
+ * 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/>.
+ */
+
#pragma once
+#include "stdint.h"
+#include "stdbool.h"
+
+#include "progmem.h"
+#include "action_layer.h"
#include "matrix.h"
+#ifndef RPC_M2S_BUFFER_SIZE
+# define RPC_M2S_BUFFER_SIZE 32
+#endif // RPC_M2S_BUFFER_SIZE
+
+#ifndef RPC_S2M_BUFFER_SIZE
+# define RPC_S2M_BUFFER_SIZE 32
+#endif // RPC_S2M_BUFFER_SIZE
+
void transport_master_init(void);
void transport_slave_init(void);
// returns false if valid data not received from slave
bool transport_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]);
void transport_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]);
+
+bool transport_execute_transaction(int8_t id, const void *initiator2target_buf, uint16_t initiator2target_length, void *target2initiator_buf, uint16_t target2initiator_length);
+
+#ifdef ENCODER_ENABLE
+# include "encoder.h"
+# define NUMBER_OF_ENCODERS (sizeof((pin_t[])ENCODERS_PAD_A) / sizeof(pin_t))
+#endif // ENCODER_ENABLE
+
+#ifdef BACKLIGHT_ENABLE
+# include "backlight.h"
+#endif // BACKLIGHT_ENABLE
+
+#ifdef RGBLIGHT_ENABLE
+# include "rgblight.h"
+#endif // RGBLIGHT_ENABLE
+
+typedef struct _split_slave_matrix_sync_t {
+ uint8_t checksum;
+ matrix_row_t matrix[(MATRIX_ROWS) / 2];
+} split_slave_matrix_sync_t;
+
+#ifdef SPLIT_TRANSPORT_MIRROR
+typedef struct _split_master_matrix_sync_t {
+ matrix_row_t matrix[(MATRIX_ROWS) / 2];
+} split_master_matrix_sync_t;
+#endif // SPLIT_TRANSPORT_MIRROR
+
+#ifdef ENCODER_ENABLE
+typedef struct _split_slave_encoder_sync_t {
+ uint8_t checksum;
+ uint8_t state[NUMBER_OF_ENCODERS];
+} split_slave_encoder_sync_t;
+#endif // ENCODER_ENABLE
+
+#if !defined(NO_ACTION_LAYER) && defined(SPLIT_LAYER_STATE_ENABLE)
+typedef struct _split_layers_sync_t {
+ layer_state_t layer_state;
+ layer_state_t default_layer_state;
+} split_layers_sync_t;
+#endif // !defined(NO_ACTION_LAYER) && defined(SPLIT_LAYER_STATE_ENABLE)
+
+#if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
+# include "led_matrix.h"
+
+typedef struct _led_matrix_sync_t {
+ led_eeconfig_t led_matrix;
+ bool led_suspend_state;
+} led_matrix_sync_t;
+#endif // defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
+
+#if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
+# include "rgb_matrix.h"
+
+typedef struct _rgb_matrix_sync_t {
+ rgb_config_t rgb_matrix;
+ bool rgb_suspend_state;
+} rgb_matrix_sync_t;
+#endif // defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
+
+#ifdef SPLIT_MODS_ENABLE
+typedef struct _split_mods_sync_t {
+ uint8_t real_mods;
+ uint8_t weak_mods;
+# ifndef NO_ACTION_ONESHOT
+ uint8_t oneshot_mods;
+# endif // NO_ACTION_ONESHOT
+} split_mods_sync_t;
+#endif // SPLIT_MODS_ENABLE
+
+#if defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
+typedef struct _rpc_sync_info_t {
+ int8_t transaction_id;
+ uint8_t m2s_length;
+ uint8_t s2m_length;
+} rpc_sync_info_t;
+#endif // defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
+
+typedef struct _split_shared_memory_t {
+#ifdef USE_I2C
+ int8_t transaction_id;
+#endif // USE_I2C
+
+ split_slave_matrix_sync_t smatrix;
+
+#ifdef SPLIT_TRANSPORT_MIRROR
+ split_master_matrix_sync_t mmatrix;
+#endif // SPLIT_TRANSPORT_MIRROR
+
+#ifdef ENCODER_ENABLE
+ split_slave_encoder_sync_t encoders;
+#endif // ENCODER_ENABLE
+
+#ifndef DISABLE_SYNC_TIMER
+ uint32_t sync_timer;
+#endif // DISABLE_SYNC_TIMER
+
+#if !defined(NO_ACTION_LAYER) && defined(SPLIT_LAYER_STATE_ENABLE)
+ split_layers_sync_t layers;
+#endif // !defined(NO_ACTION_LAYER) && defined(SPLIT_LAYER_STATE_ENABLE)
+
+#ifdef SPLIT_LED_STATE_ENABLE
+ uint8_t led_state;
+#endif // SPLIT_LED_STATE_ENABLE
+
+#ifdef SPLIT_MODS_ENABLE
+ split_mods_sync_t mods;
+#endif // SPLIT_MODS_ENABLE
+
+#ifdef BACKLIGHT_ENABLE
+ uint8_t backlight_level;
+#endif // BACKLIGHT_ENABLE
+
+#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+ rgblight_syncinfo_t rgblight_sync;
+#endif // defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+
+#if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
+ led_matrix_sync_t led_matrix_sync;
+#endif // defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
+
+#if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
+ rgb_matrix_sync_t rgb_matrix_sync;
+#endif // defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
+
+#if defined(WPM_ENABLE) && defined(SPLIT_WPM_ENABLE)
+ uint8_t current_wpm;
+#endif // defined(WPM_ENABLE) && defined(SPLIT_WPM_ENABLE)
+
+#if defined(OLED_DRIVER_ENABLE) && defined(SPLIT_OLED_ENABLE)
+ uint8_t current_oled_state;
+#endif // defined(OLED_DRIVER_ENABLE) && defined(SPLIT_OLED_ENABLE)
+
+#if defined(ST7565_ENABLE) && defined(SPLIT_ST7565_ENABLE)
+ uint8_t current_st7565_state;
+#endif // ST7565_ENABLE(OLED_ENABLE) && defined(SPLIT_ST7565_ENABLE)
+
+#if defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
+ rpc_sync_info_t rpc_info;
+ uint8_t rpc_m2s_buffer[RPC_M2S_BUFFER_SIZE];
+ uint8_t rpc_s2m_buffer[RPC_S2M_BUFFER_SIZE];
+#endif // defined(SPLIT_TRANSACTION_IDS_KB) || defined(SPLIT_TRANSACTION_IDS_USER)
+} split_shared_memory_t;
+
+extern split_shared_memory_t *const split_shmem;