implement mode history

1 files changed, 6 insertions, 5 deletions

diff --git a/robot/modes.h b/robot/modes.h
index a9d96d8..3423a0f 100644
--- a/robot/modes.h
+++ b/robot/modes.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include "../shared/consts.h"
+
 #include "mode_chrg.h"
 #include "mode_dirc.h"
 #include "mode_grid.h"
@@ -9,9 +11,6 @@
 #include "mode_scal.h"
 #include "mode_spin.h"
 
-/** function pointer to current mode */
-extern void (*g_w2_current_mode)();
-
 /**
  * mode logic
  *
@@ -38,5 +37,7 @@ static const void(*const W2_MODES[]) = {
 	&w2_mode_chrg, &w2_mode_dirc, &w2_mode_spin, &w2_mode_scal,
 };
 
-/** switch the current mode */
-void w2_modes_switch(w2_e_mode new_mode);
+/** switch current mode (allow switching back to previous mode) */
+void w2_modes_call(w2_e_mode mode);
+/** switch current mode (replace current mode keeping history index) */
+void w2_modes_swap(w2_e_mode mode);