Berry add `display.dimmer()`

lib/libesp32/berry/generate/be_const_strtab.h

@@ -333,6 +333,7 @@ extern const bcstring be_const_str_detect;
 extern const bcstring be_const_str_detected_X20on_X20bus;
 extern const bcstring be_const_str_digital_read;
 extern const bcstring be_const_str_digital_write;
+extern const bcstring be_const_str_dimmer;
 extern const bcstring be_const_str_dirty;
 extern const bcstring be_const_str_display;
 extern const bcstring be_const_str_display_X2Eini;

lib/libesp32/berry/generate/be_fixed_display.h

@@ -0,0 +1,18 @@
+#include "be_constobj.h"
+
+static be_define_const_map_slots(m_libdisplay_map) {
+    { be_const_key(dimmer, -1), be_const_func(be_ntv_display_dimmer) },
+    { be_const_key(start, 0), be_const_func(be_ntv_display_start) },
+};
+
+static be_define_const_map(
+    m_libdisplay_map,
+    2
+);
+
+static be_define_const_module(
+    m_libdisplay,
+    "display"
+);
+
+BE_EXPORT_VARIABLE be_define_const_native_module(display);

lib/libesp32/berry_tasmota/src/be_display_lib.c

@@ -9,21 +9,15 @@
 
 #ifdef USE_DISPLAY
 
-// Tasmota specific
-
 extern int be_ntv_display_start(bvm *vm);
+extern int be_ntv_display_dimmer(bvm *vm);
 
-/********************************************************************
+/* @const_object_info_begin
-** Solidified module: display
+module display (scope: global) {
-********************************************************************/
+    start, func(be_ntv_display_start)
-be_local_module(display,
+    dimmer, func(be_ntv_display_dimmer)
-    "display",
+}
-    be_nested_map(1,
+@const_object_info_end */
-    ( (struct bmapnode*) &(const bmapnode[]) {
+#include "be_fixed_display.h"
-        { be_const_key(start, -1), be_const_func(be_ntv_display_start) },
-    }))
-);
-BE_EXPORT_VARIABLE be_define_const_native_module(display);
-/********************************************************************/
 
-#endif // USE_DISPLAY
+#endif // USE_DISPLAY

tasmota/xdrv_52_3_berry_display.ino

@@ -35,10 +35,8 @@ Renderer *Init_uDisplay(const char *desc);
  * 
 \*********************************************************************************************/
 extern "C" {
-
-  int be_ntv_display_start(bvm *vm);
   int be_ntv_display_start(bvm *vm) {
-#ifdef USE_UNIVERSAL_DISPLAY
+  #ifdef USE_UNIVERSAL_DISPLAY
     int32_t argc = be_top(vm); // Get the number of arguments
     if (argc >= 1 && be_isstring(vm, 1)) {
       const char * desc = be_tostring(vm, 1);
@@ -53,9 +51,25 @@ extern "C" {
       be_return(vm);
     }
     be_raise(vm, kTypeError, nullptr);
-#else // USE_UNIVERSAL_DISPLAY
+  #else // USE_UNIVERSAL_DISPLAY
     be_raise(vm, "internal_error", "universal display driver not present");
-#endif // USE_UNIVERSAL_DISPLAY
+  #endif // USE_UNIVERSAL_DISPLAY
+  }
+
+  // `display.dimmer([dim:int]) -> int` sets the dimmer of display, value 0..100. If `0` then turn off display. If no arg, read the current value.
+  int be_ntv_display_dimmer(bvm *vm) {
+    int32_t argc = be_top(vm); // Get the number of arguments
+    int32_t dimmer;
+    if (argc >= 1) {
+      if (!be_isint(vm, 1)) { be_raise(vm, "type_error", "arg must be int"); }
+      dimmer = be_toint(vm, 1);
+      if ((dimmer < 0) || (dimmer > 100)) { be_raise(vm, "value_error", "value must be in range 0..100"); }
+      be_pop(vm, argc);   // clear stack to avoid ripple errors in code called later
+      SetDisplayDimmer(dimmer);
+      ApplyDisplayDimmer();
+    }
+    be_pushint(vm, GetDisplayDimmer());
+    be_return(vm);
   }
 }