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| author | Gregory Nutt <gnutt@nuttx.org> | 2015-01-13 16:17:07 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2015-01-13 16:17:07 -0600 |
| commit | 197a1a4b18cd24b645c86e7b66835c0c000729fc (patch) | |
| tree | 6186c22f7fd6d6beeb576f8e48c0a7d0a2b349e2 /nuttx/configs | |
| parent | 6e39c232448916903bff89434b005f09455b42ab (diff) | |
| download | px4-nuttx-197a1a4b18cd24b645c86e7b66835c0c000729fc.tar.gz px4-nuttx-197a1a4b18cd24b645c86e7b66835c0c000729fc.tar.bz2 px4-nuttx-197a1a4b18cd24b645c86e7b66835c0c000729fc.zip | |
Update README
Diffstat (limited to 'nuttx/configs')
| -rw-r--r-- | nuttx/configs/dk-tm4c129x/README.txt | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/nuttx/configs/dk-tm4c129x/README.txt b/nuttx/configs/dk-tm4c129x/README.txt index 4de213b61..46e633c31 100644 --- a/nuttx/configs/dk-tm4c129x/README.txt +++ b/nuttx/configs/dk-tm4c129x/README.txt @@ -36,6 +36,7 @@ Contents - Buttons and LEDs - Serial Console - Networking Support + - Timers - Temperature Sensor - DK-TM4129X Configuration Options - Configurations @@ -649,6 +650,44 @@ f Application Configuration -> Network Utilities CONFIG_NSH_NETINIT_RETRYMSEC=2000 : Configure the network monitor as you like CONFIG_NSH_NETINIT_SIGNO=18 +Timers +====== + + Tiva timers may be enbled in 32-bit periodic mode using these settings. + + This settings enables the "upper half" timer driver: + + Devices Drivers -> Timer Support + CONFIG_TIMER=y + + These settings enable Tiva timer driver support + + System Type -> Tiva/Stellaris Peripheral Support + CONFIG_TIVA_TIMER1=y : For timer 1 + + System Type -> Tiva Timer Configuration (using Timer 1) + CONFIG_TIVA_TIMER_32BIT=y + CONFIG_TIVA_TIMER32_PERIODIC=y + + These setting enable board-specific logic to initialize the timer logic + (using Timer 1): + + Board Selection -> Timer driver selection + CONFIG_DK_TM4C129X_TIMER1=y + CONFIG_DK_TM4C129X_TIMER_DEVNAME="/dev/timer0" + CONFIG_DK_TM4C129X_TIMER_TIMEOUT=10000 + + There is a simple example at apps/examples/timer that can be used to + exercise the timers. The following configuration options can be + selected to enable that example: + + Application Configure -> Examples -> Timer Example + CONFIG_EXAMPLES_TIMER=y + CONFIG_EXAMPLE_TIMER_DEVNAME="/dev/timer0" + CONFIG_EXAMPLE_TIMER_INTERVAL=1000000 + CONFIG_EXAMPLE_TIMER_DELAY=100000 + CONFIG_EXAMPLE_TIMER_NSAMPLES=20 + Temperature Sensor ================== |