diff options
| 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 /wirish | |
| 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.
Diffstat (limited to 'wirish')
| -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; |