Build blinkt and piface in gcc pipeline to prevent bit rot. (#842)

apps/blinkt/Makefile

@@ -8,9 +8,7 @@ TARGET = bacblinkt
 
 # BACnet objects that are used with this app
 BACNET_OBJECT_DIR = $(BACNET_SRC_DIR)/bacnet/basic/object
-SRC = main.c \
-	blinkt.c \
-	device.c \
+SRC = main.c blinkt.c device.c \
 	$(BACNET_OBJECT_DIR)/netport.c \
 	$(BACNET_OBJECT_DIR)/channel.c \
 	$(BACNET_OBJECT_DIR)/color_object.c \
@@ -34,8 +32,12 @@ SIZE         = $(CROSS_PREFIX)size
 
 # note: link to pigpio daemon so that our app can run without root
 # start pigpio daemon with the command 'sudo pigpiod'
+ifeq (${BUILD},pipeline)
+CFLAGS += -DBUILD_PIPELINE
+else
 LD_PIGPIO = -Wl,-pthread,-lpigpiod_if2
 LFLAGS += $(LD_PIGPIO)
+endif
 
 OBJS += ${SRC:.c=.o}
 

apps/blinkt/blinkt.c

@@ -8,7 +8,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <signal.h>
-#include <pigpiod_if2.h>
 #include "blinkt.h"
 
 #define BLINKT_DEFAULT_BRIGHTNESS 7
@@ -23,6 +22,16 @@ static uint32_t Blinkt_LED[BLINKT_NUM_LEDS];
 /* handle to the pigpiod */
 static int Blinkt_Pi;
 
+#ifdef BUILD_PIPELINE
+#define PI_OUTPUT 1
+#define gpio_write(a, b, c) printf("gpio_write(%d, %d, %d)\n", a, b, c)
+#define set_mode(a, b, c) printf("set_mode(%d, %d, %d)\n", a, b, c)
+#define pigpio_start(a, b) printf("pigpio_start(%s, %s)\n", a, b)
+#define pigpio_stop(a) printf("pigpio_stop(%d)\n", a)
+#else
+#include <pigpiod_if2.h>
+#endif
+
 /**
  * @brief Get the number of LEDS
  * @return Number of LEDs