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Coding style cleanup; update CHANGELOG

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Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Wolfgang Denk
2009-07-07 22:35:02 +02:00
parent a48ecc969f
commit 8e5e9b940c
14 changed files with 3405 additions and 57 deletions
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12
doc/README.LED
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@@ -10,7 +10,7 @@ The first step is to define CONFIG_STATUS_LED in the board config file.
If the LED support is only for a single board, define CONFIG_BOARD_SPECIFIC_LED
in the board config file.
At a minimum, these macros must be defined at
At a minimum, these macros must be defined at
STATUS_LED_BIT
STATUS_LED_STATE
STATUS_LED_PERIOD
@@ -20,7 +20,7 @@ STATUS_LED_BIT<n>
STATUS_LED_STATE<n>
STATUS_LED_PERIOD<n>
Where <n> can a integer 1 through 3.
Where <n> can a integer 1 through 3.
STATUS_LED_BIT is passed into the __led_* functions to identify which LED is
being acted on. As such, the value choose must be unique with with respect to
@@ -37,25 +37,25 @@ range from 2 to 10.
Some other LED macros
STATUS_LED_BOOT is the LED to light when the board is booting. This must be a
valid STATUS_LED_BIT value.
valid STATUS_LED_BIT value.
STATUS_LED_RED is the red LED. It is used signal errors. This must be a valid
STATUS_LED_BIT value. Other similar color LED's are STATUS_LED_YELLOW and
STATUS_LED_BLUE.
STATUS_LED_BLUE.
These board must define these functions
__led_init is called once to initialize the LED to STATUS_LED_STATE. One time
start up code should be placed here.
__led_set is called to change the state of the LED.
__led_set is called to change the state of the LED.
__led_toggle is called to toggle the current state of the LED.
Colour LED
========================================
Colour LED's are at present only used by ARM.
Colour LED's are at present only used by ARM.
The functions names explain their purpose.