enum: Add enum to the Makefile

And fix a couple of warnings.


Signed-off-by: andypugh <andy@bodgesoc.org>

Author: andypugh

src/Makefile

@@ -922,6 +922,8 @@ obj-$(CONFIG_DEBOUNCE) += debounce.o
 debounce-objs := hal/components/debounce.o $(MATHSTUB)
 obj-$(CONFIG_ENCODER) += encoder.o
 encoder-objs := hal/components/encoder.o $(MATHSTUB)
+obj-$(CONFIG_ENUM) += enum.o
+enum-objs := hal/components/enum.o $(MATHSTUB)
 obj-$(CONFIG_COUNTER) += counter.o
 counter-objs := hal/components/counter.o $(MATHSTUB)
 obj-$(CONFIG_ENCODER_RATIO) += encoder_ratio.o
@@ -1267,6 +1269,7 @@ endif
 ../rtlib/boss_plc$(MODULE_EXT): $(addprefix objects/rt,$(boss_plc-objs))
 ../rtlib/debounce$(MODULE_EXT): $(addprefix objects/rt,$(debounce-objs))
 ../rtlib/encoder$(MODULE_EXT): $(addprefix objects/rt,$(encoder-objs))
+../rtlib/enum$(MODULE_EXT): $(addprefix objects/rt,$(enum-objs))
 ../rtlib/counter$(MODULE_EXT): $(addprefix objects/rt,$(counter-objs))
 ../rtlib/encoder_ratio$(MODULE_EXT): $(addprefix objects/rt,$(encoder_ratio-objs))
 ../rtlib/stepgen$(MODULE_EXT): $(addprefix objects/rt,$(stepgen-objs))

src/Makefile.inc.in

@@ -180,6 +180,7 @@ CONFIG_BLOCKS=m
 CONFIG_BOSS_PLC=m
 CONFIG_DEBOUNCE=m
 CONFIG_ENCODER=m
+CONFIG_ENUM=m
 CONFIG_COUNTER=m
 CONFIG_ENCODER_RATIO=m
 CONFIG_STEPGEN=m

src/hal/components/enum.c

@@ -65,7 +65,6 @@ static void decode(void *inst, long period);
 static void encode(void *inst, long period);
 
 int rtapi_app_main(void){
-    int num_chans;
     int i, j, v;
     int retval;
     char *token;
@@ -191,7 +190,6 @@ int rtapi_app_main(void){
 
 static void decode(void *v_inst, long period){;
     enum_inst_t *inst = v_inst;
-    static int once = 0;
     for (int i = 1; i <= inst->num_pins; i++){
         if (*(inst->hal[0].en) == *(inst->hal[i].en)){
            *(inst->hal[i].bit) = 1;