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