summaryrefslogtreecommitdiff
path: root/doc/README.LED
diff options
context:
space:
mode:
authorWolfgang Denk <wd@denx.de>2009-07-07 22:35:02 +0200
committerWolfgang Denk <wd@denx.de>2009-07-07 22:35:02 +0200
commit8e5e9b940cdede0debe528cdd7edccccbb3ebf2a (patch)
tree61647a9af02a1bdb5e498ed467d4eccdb8e706b7 /doc/README.LED
parenta48ecc969f8d2d0fe9167962e9b8b4cca52de10b (diff)
downloadu-boot-imx-8e5e9b940cdede0debe528cdd7edccccbb3ebf2a.zip
u-boot-imx-8e5e9b940cdede0debe528cdd7edccccbb3ebf2a.tar.gz
u-boot-imx-8e5e9b940cdede0debe528cdd7edccccbb3ebf2a.tar.bz2
Coding style cleanup; update CHANGELOG
Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'doc/README.LED')
-rw-r--r--doc/README.LED12
1 files changed, 6 insertions, 6 deletions
diff --git a/doc/README.LED b/doc/README.LED
index 1221177..94e552a 100644
--- a/doc/README.LED
+++ b/doc/README.LED
@@ -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.