fix pwm on pocketbeagle and beaglebone blue #286

pocketbeagle and beaglebone blue have complete dtb file
and do not need overlays

Author: pdp7

source/c_pwm.c

@@ -338,6 +338,10 @@ BBIO_err pwm_setup(const char *key, __attribute__ ((unused)) float duty, __attri
 
     // Make sure that one of the universal capes is loaded
     if( !uboot_overlay_enabled() // only check kernel overlays if u-boot overlays are not being used
+        &&
+        !beaglebone_blue() // beaglebone blue has complete dtb file and does not need overlays 
+        &&
+        !pocketbeagle() // pocketbeagle has complete dtb file and does not need overlays
         &&
         !( device_tree_loaded("cape-univ-audio") // from cdsteinkuehler/beaglebone-universal-io
         || device_tree_loaded("cape-univ-emmc")  // ""
@@ -583,6 +587,7 @@ BBIO_err pwm_setup(const char *key, __attribute__ ((unused)) float duty, __attri
 BBIO_err pwm_start(const char *key, float duty, float freq, int polarity)
 {
     syslog(LOG_DEBUG, "Adafruit_BBIO: pwm_start: %s, %f, %f, %i", key, duty, freq, polarity);
+    fprintf(stderr, "Adafruit_BBIO: pwm_start: %s, %f, %f, %i\n", key, duty, freq, polarity);
 
     BBIO_err err;
     char buffer[20];

source/common.c

@@ -717,13 +717,13 @@ int device_tree_loaded(const char *name)
 
     /* beaglebone blue has complete dtb file and does not need overlays */
     if(beaglebone_blue()) {
-      fprintf(stderr, "common.c: load_device_tree(): beaglebone_blue(): TRUE\n");
+      fprintf(stderr, "common.c: device_tree_loaded(): beaglebone_blue(): TRUE\n");
       return BBIO_OK;
     }
 
     /* pocketbeagle has complete dtb file and does not need overlays */
     if(pocketbeagle()) {
-      fprintf(stderr, "common.c: load_device_tree(): pocketbeagle(): TRUE\n");
+      fprintf(stderr, "common.c: device_tree_loaded(): pocketbeagle(): TRUE\n");
       return BBIO_OK;
     }
 
@@ -767,13 +767,13 @@ BBIO_err unload_device_tree(const char *name)
 
     /* beaglebone blue has complete dtb file and does not need overlays */
     if(beaglebone_blue()) {
-      fprintf(stderr, "common.c: load_device_tree(): beaglebone_blue(): TRUE\n");
+      fprintf(stderr, "common.c: unload_device_tree(): beaglebone_blue(): TRUE\n");
       return BBIO_OK;
     }
 
     /* pocketbeagle has complete dtb file and does not need overlays */
     if(pocketbeagle()) {
-      fprintf(stderr, "common.c: load_device_tree(): pocketbeagle(): TRUE\n");
+      fprintf(stderr, "common.c: unload_device_tree(): pocketbeagle(): TRUE\n");
       return BBIO_OK;
     }