mraa_adv_func.h: Added pwm initialization replace

current code in pwm does not work for beaglebone src/pwm/pwm.c Implemented
check for pwm_init_replace

Signed-off-by: Michael Ring <mail@michael-ring.org>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

diff --git a/include/mraa_adv_func.h b/include/mraa_adv_func.h
index 552ebff..8874e0e 100644 (file)
--- a/include/mraa_adv_func.h
+++ b/include/mraa_adv_func.h
@@ -54,6 +54,7 @@ typedef struct {
     mraa_result_t (*aio_init_pre) (unsigned int aio);
     mraa_result_t (*aio_init_post) (mraa_aio_context dev);
 
+    mraa_pwm_context (*pwm_init_replace) (int pin);
     mraa_result_t (*pwm_init_pre) (int pin);
     mraa_result_t (*pwm_init_post) (mraa_pwm_context pwm);
     mraa_result_t (*pwm_period_replace) (mraa_pwm_context dev, int period);

diff --git a/src/pwm/pwm.c b/src/pwm/pwm.c
index 3070c67..92b20eb 100644 (file)
--- a/src/pwm/pwm.c
+++ b/src/pwm/pwm.c
@@ -161,6 +161,10 @@ mraa_pwm_read_duty(mraa_pwm_context dev)
 mraa_pwm_context
 mraa_pwm_init(int pin)
 {
+    if (advance_func->pwm_init_replace != NULL) {
+        return advance_func->pwm_init_replace(pin);
+    }
+
     if (advance_func->pwm_init_pre != NULL) {
         if (advance_func->pwm_init_pre(pin) != MRAA_SUCCESS)
             return NULL;