Lua -- Fix device hang when scroll function active on clear_screen
I previously noticed that manually clearing the framebuffer while scroll function was active caused lua to crash I could reproduce in sim and on device but I thought using the plugin supplied rb->lcd_clear_screen was immune to this issue Unfortunately some devices exhibit this behavior with the plugin function as well This patch adds rb->lcd_scroll_stop() before lcd_clear_screen at lua start-up and to the supplied include file lcd.lua Change-Id: I9800145e5c834ea27df5db5f1bca50b0d40faa49
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@ -80,10 +80,10 @@ local _lcd = {} do
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-- clears lcd, optional.. ([color, x1, y1, x2, y2, clip])
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local function clear(t, clr, ...)
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rb.lcd_scroll_stop() --rb really doesn't like bg change while scroll
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if clr == _NIL and ... == _NIL then
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rb.lcd_clear_display()
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else
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rb.lcd_scroll_stop() --rb really doesn't like bg change while scroll
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_LCD:clear(clr, ...)
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end
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end
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@ -160,6 +160,7 @@ enum plugin_status plugin_start(const void* parameter)
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rocklua_openlibs(L);
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status = luaL_loadfile(L, filename);
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if (!status) {
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rb->lcd_scroll_stop(); /* rb doesn't like bg change while scroll */
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rb->lcd_clear_display();
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status = docall(L);
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}
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