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authorTom Rini <trini@konsulko.com>2019-05-29 07:27:52 -0400
committerTom Rini <trini@konsulko.com>2019-05-29 07:27:52 -0400
commit93294caaeb67c5b087ea080cb644eefea52da560 (patch)
tree611e0d7331377a71dcc8b809a2bfdcb1270e622c /doc/README.LED_display
parent7c7919cd07b34a784ab321ab7578106c9e9bd753 (diff)
parent2a221fb64e5759ca8ad45637ed323206ddf0501f (diff)
Merge branch '2019-05-28-master-imports'
- Remove various dead code from DaVinci - FAT fixes
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-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).