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Fix for RUTX platform
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LED display internal API
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=======================================
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This README describes the LED display API.
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The API is defined by the include file include/led-display.h
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The first step in to define CONFIG_CMD_DISPLAY in the board config file.
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Then you need to provide the following functions to access LED display:
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void display_set(int cmd);
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This function should control the state of the LED display. Argument is
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an ORed combination of the following values:
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DISPLAY_CLEAR -- clear the display
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DISPLAY_HOME -- set the position to the beginning of display
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int display_putc(char c);
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This function should display it's parameter on the LED display in the
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current position. Returns the displayed character on success or -1 in
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case of failure.
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With this functions defined 'display' command will display it's
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arguments on the LED display (or clear the display if called without
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arguments).
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