add split_scomm.c/split_scomm.h into helix/rev1

keyboards/helix/rev1/matrix.c

@@ -35,7 +35,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #ifdef USE_MATRIX_I2C
 #  include "i2c.h"
 #else // USE_SERIAL
-#  include "serial.h"
+#  include "split_scomm.h"
 #endif
 
 #ifndef DEBOUNCE
@@ -178,7 +178,7 @@ i2c_error: // the cable is disconnceted, or something else went wrong
 int serial_transaction(void) {
     int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
 
-    if (serial_update_buffers()) {
+    if (serial_update_buffers(1)) {
         return 1;
     }
 

keyboards/helix/rev1/rules.mk

@@ -1,4 +1,5 @@
-SRC += rev1/matrix.c \
+SRC += rev1/matrix.c
-	   rev1/split_util.c
+SRC += rev1/split_util.c
+SRC += rev1/split_scomm.c
 
 BACKLIGHT_ENABLE = no

keyboards/helix/rev1/serial_config.h

@@ -8,9 +8,6 @@
 #define SERIAL_PIN_MASK _BV(PD0)
 #define SERIAL_PIN_INTERRUPT INT0_vect
 
-#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
-#define SERIAL_MASTER_BUFFER_LENGTH 1
-
 /// #error rev1 serial config
 
 #endif /* SOFT_SERIAL_CONFIG_H */

keyboards/helix/rev1/split_scomm.c

@@ -0,0 +1,38 @@
+#ifdef USE_SERIAL
+#include <stdbool.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <split_scomm.h>
+#include "serial.h"
+
+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 status0 = 0;
+
+SSTD_t transactions[] = {
+
+#define WHOLE_MATRIX_EXCHANGE 0
+    { (uint8_t *)&status0,
+      sizeof(serial_master_buffer), (uint8_t *)serial_master_buffer,
+      sizeof(serial_slave_buffer), (uint8_t *)serial_slave_buffer
+    }
+};
+
+void serial_master_init(void)
+{
+    soft_serial_initiator_init(transactions);
+}
+
+void serial_slave_init(void)
+{
+    soft_serial_target_init(transactions);
+}
+
+// 0 => no error
+// 1 => slave did not respond
+// 2 => checksum error
+int serial_update_buffers(int master_update)
+{
+    return soft_serial_transaction(WHOLE_MATRIX_EXCHANGE);
+}
+#endif /* USE_SERIAL */

keyboards/helix/rev1/split_scomm.h

@@ -0,0 +1,15 @@
+#ifndef SPLIT_COMM_H
+#define SPLIT_COMM_H
+
+// Buffers for master - slave communication
+#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
+#define SERIAL_MASTER_BUFFER_LENGTH 1
+
+extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
+extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];
+
+void serial_master_init(void);
+void serial_slave_init(void);
+int serial_update_buffers(int master_changed);
+
+#endif /* SPLIT_COMM_H */

keyboards/helix/rev1/split_util.c

@@ -12,7 +12,7 @@
 #ifdef USE_MATRIX_I2C
 #  include "i2c.h"
 #else
-#  include "serial.h"
+#  include "split_scomm.h"
 #endif
 
 volatile bool isLeftHand = true;

keyboards/helix/rev2/split_scomm.c

@@ -10,6 +10,8 @@ uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
 uint8_t volatile status0 = 0;
 
 SSTD_t transactions[] = {
+
+#define WHOLE_MATRIX_EXCHANGE 0
     { (uint8_t *)&status0,
       sizeof(serial_master_buffer), (uint8_t *)serial_master_buffer,
       sizeof(serial_slave_buffer), (uint8_t *)serial_slave_buffer
@@ -31,6 +33,6 @@ void serial_slave_init(void)
 // 2 => checksum error
 int serial_update_buffers(int master_update)
 {
-    return soft_serial_transaction(0);
+    return soft_serial_transaction(WHOLE_MATRIX_EXCHANGE);
 }
 #endif /* USE_SERIAL */