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| author | Perry Hung <iperry@gmail.com> | 2010-09-21 20:22:17 -0400 |
|---|---|---|
| committer | Perry Hung <iperry@gmail.com> | 2010-09-21 20:24:04 -0400 |
| commit | 943006daefeca420749768a4d4e9810a258f2b92 (patch) | |
| tree | d2bcc383965eeb7dad4faab584958fbaeb1bb2a9 | |
| parent | f2fd21628e79ac8e9289a1a8b8f7d11ad4797361 (diff) | |
| download | librambutan-943006daefeca420749768a4d4e9810a258f2b92.tar.gz librambutan-943006daefeca420749768a4d4e9810a258f2b92.zip | |
Add PWM_OPEN_DRAIN option to pinMode()
Allow for alternate function open drain output mode to be accessed
through the wirish interface. This allows for open drain to be used on
PWM pins.
| -rw-r--r-- | wirish/io.h | 3 | ||||
| -rw-r--r-- | wirish/wirish_digital.c | 3 |
2 files changed, 5 insertions, 1 deletions
diff --git a/wirish/io.h b/wirish/io.h index e779604..4aa1eef 100644 --- a/wirish/io.h +++ b/wirish/io.h @@ -47,7 +47,8 @@ typedef enum WiringPinMode { INPUT_PULLUP, INPUT_PULLDOWN, INPUT_FLOATING, - PWM + PWM, + PWM_OPEN_DRAIN, } WiringPinMode; diff --git a/wirish/wirish_digital.c b/wirish/wirish_digital.c index c93c786..9dd46ed 100644 --- a/wirish/wirish_digital.c +++ b/wirish/wirish_digital.c @@ -58,6 +58,9 @@ void pinMode(uint8 pin, WiringPinMode mode) { case PWM: outputMode = GPIO_MODE_AF_OUTPUT_PP; break; + case PWM_OPEN_DRAIN: + outputMode = GPIO_MODE_AF_OUTPUT_OD; + break; default: ASSERT(0); return; |