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Diffstat (limited to 'qemu/roms/u-boot/doc/README.LED_display')
| -rw-r--r-- | qemu/roms/u-boot/doc/README.LED_display | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/qemu/roms/u-boot/doc/README.LED_display b/qemu/roms/u-boot/doc/README.LED_display deleted file mode 100644 index 19977ea7e..000000000 --- a/qemu/roms/u-boot/doc/README.LED_display +++ /dev/null @@ -1,26 +0,0 @@ -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). |