- if( s_change_old != slave_buffer_change_count ) {
- status = soft_serial_transaction(GET_SLAVE_BUFFER);
- if( status == TRANSACTION_END )
- s_change_old = slave_buffer_change_count;
+
+ 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;