sh: add videocapture function (x² key) in debug mode

ports/sh/debug.c

@@ -49,6 +49,8 @@ static bool timeout_popup(void)
 }
 #endif
 
+static bool videocapture = false;
+
 void pe_debug_init(void)
 {
     usb_interface_t const *intf[] = { &usb_ff_bulk, NULL };
@@ -110,4 +112,17 @@ void pe_debug_screenshot(void)
     usb_fxlink_screenshot(true);
 }
 
+void pe_debug_toggle_videocapture(void)
+{
+    videocapture = !videocapture;
+}
+
+void pe_debug_run_videocapture(void)
+{
+    if(videocapture) {
+        usb_open_wait();
+        usb_fxlink_videocapture(true);
+    }
+}
+
 #endif /* PE_DEBUG */

ports/sh/debug.h

@@ -33,12 +33,20 @@ void pe_debug_kmalloc(char const *prefix);
 /* Take a screenshot. */
 void pe_debug_screenshot(void);
 
+/* Toggle video capture. */
+void pe_debug_toggle_videocapture(void);
+
+/* Send a video capture frame if video capture is enabled. */
+void pe_debug_run_videocapture(void);
+
 #if !PE_DEBUG
 #define PE_DEBUG_NOOP do {} while(0)
-#define pe_debug_init(...)          PE_DEBUG_NOOP
-#define pe_debug_printf(...)        PE_DEBUG_NOOP
-#define pe_debug_kmalloc(...)       PE_DEBUG_NOOP
-#define pe_debug_screenshot(...)    PE_DEBUG_NOOP
+#define pe_debug_init(...)                 PE_DEBUG_NOOP
+#define pe_debug_printf(...)               PE_DEBUG_NOOP
+#define pe_debug_kmalloc(...)              PE_DEBUG_NOOP
+#define pe_debug_screenshot(...)           PE_DEBUG_NOOP
+#define pe_debug_toggle_videocapture(...)  PE_DEBUG_NOOP
+#define pe_debug_run_videocapture(...)     PE_DEBUG_NOOP
 #endif
 
 #endif /* __PYTHONEXTRA_DEBUG_H */

ports/sh/main.c

@@ -130,6 +130,14 @@ static bool async_filter(key_event_t ev)
         return false;
     }
 
+#if PE_DEBUG
+    if(ev.key == KEY_SQUARE) {
+        if(ev.type == KEYEV_DOWN)
+            pe_debug_toggle_videocapture();
+        return false;
+    }
+#endif
+
     return true;
 }
 
@@ -181,6 +189,7 @@ void pe_draw(void)
         DIMAGE_NONE);
 #endif
     dupdate();
+    pe_debug_run_videocapture();
 }
 
 //=== Application control functions ===//

ports/sh/modcasioplot.c

@@ -7,6 +7,7 @@
 
 #include "py/runtime.h"
 #include "py/obj.h"
+#include "debug.h"
 #include <gint/display.h>
 #include <stdlib.h>
 #include <string.h>
@@ -72,6 +73,7 @@ static mp_obj_t show_screen(void)
     void pe_enter_graphics_mode(void);
     pe_enter_graphics_mode();
     dupdate();
+    pe_debug_run_videocapture();
     return mp_const_none;
 }
 

ports/sh/modgint.c

@@ -9,6 +9,7 @@
 // considered relevant for high-level Python development).
 //---
 
+#include "debug.h"
 #include "py/runtime.h"
 #include "py/objtuple.h"
 #include "objgintimage.h"
@@ -229,6 +230,7 @@ STATIC mp_obj_t modgint_dupdate(void)
 {
     pe_enter_graphics_mode();
     dupdate();
+    pe_debug_run_videocapture();
     return mp_const_none;
 }