c

4 files changed, 168 insertions, 8 deletions

diff --git a/Makefile b/Makefile
index 8f6cc11..9a77d03 100644
--- a/Makefile
+++ b/Makefile
@@ -16,20 +16,29 @@
 #
 # GNU Makefile
 
-default: esp
+default: debug
+
+SHELL		:= /bin/sh
+OS			 = $(shell /usr/bin/uname)
 
 ESP_DIR		 = esp/halfcab/
 OBJ_DIR		 = obj/
 SRC_DIR		 = src/
-TRGT_DIR	 = ./
+TRG_DIR		 = ./
 
 ESP_FQBN	 = esp8266:esp8266:d1_mini
 ESP_DEV		 = /dev/ttyUSB0
 
-TRGT_NAME	 = hc
+TARGET		 = hc
 
 ESP_NAME	 = halfcab.ino
 
+SRC_NAME	 = c_halfcab
+
+SRCS		 = $(addprefix ${SRC_DIR}, $(addsuffix .c, ${SRC_NAME}))
+INCS		 = $(addprefix ${SRC_DIR}, $(addsuffix .h, ${SRC_NAME}))
+OBJS		 = $(patsubst ${SRC_DIR}%.c, ${OBJ_DIR}%.c.o, ${SRCS})
+
 ARDUINO		 = arduino-cli
 CC			 = cc
 CFLAGS		 = -std=c89
@@ -40,16 +49,52 @@ CFLAGS		+= -pedantic
 CFLAGS		+= -march=haswell
 CFLAGS		+= -O2
 CFLAGS		+= -pipe
+# ifeq (${OS}, Linux)
+# CFLAGS		+= -D_GNU_SOURCE
+# endif
+
+ifeq (${OS}, Linux)
+CINCS		 = -isystem /usr/include
+endif
+
+MKDIR		 = mkdir -p
+RMDIR		 = rmdir
+RM			 = rm -rf
+
+${OBJ_DIR}%.c.o:	${SRC_DIR}%.c ${INCS} Makefile
+	${CC} ${CFLAGS} -c ${CINCS} -o $@ $<
+
+${OBJ_DIR}:
+	${MKDIR} ${OBJ_DIR}
+
+${TRG_DIR}${TARGET}:	${OBJ_DIR} ${OBJS}
+	${CC} ${CFLAGS} -o $@ ${OBJS} ${LDFLAGS}
+
+debug: CFLAGS += -O0
+debug: CFLAGS += -g3
+debug: all
+
+asan: CFLAGS += -O0
+asan: CFLAGS += -g3
+asan: CFLAGS += -fsanitize=address
+asan: all
+
+clean:
+	${RM} ${OBJS} vgcore.* ${TARGET}.core ${TARGET} ${OBJ_DIR}
 
 esp:
-	${ARDUINO} compile -v -j8 --warnings all --fqbn ${ESP_FQBN} ${ESP_DIR}
-	${ARDUINO} upload -p ${ESP_DEV} --fqbn ${ESP_FQBN} ${ESP_DIR}
+	${ARDUINO} compile -v -j8 --warnings all --fqbn ${ESP_FQBN} ${SRC_DIR}${ESP_DIR}
+	${ARDUINO} upload -p ${ESP_DEV} --fqbn ${ESP_FQBN} ${SRC_DIR}${ESP_DIR}
 
 attach:
-	${ARDUINO} board attach -p ${ESP_DEV} -b ${ESP_FQBN} ${ESP_DIR}${ESP_NAME}
+	${ARDUINO} board attach -p ${ESP_DEV} -b ${ESP_FQBN} ${SRC_DIR}${ESP_DIR}${ESP_NAME}
 
 mon:
 	${ARDUINO} monitor -p ${ESP_DEV} -b ${ESP_FQBN} --config 115200 --config 'rts=off' --config 'dtr=off' --quiet
 
+all: esp ${TRG_DIR}${TARGET}
+
+run: debug
+	${TRG_DIR}${TARGET}
 
-.PHONY: esp attach mon
+.PHONY: esp attach mon hc
diff --git a/src/c_halfcab.c b/src/c_halfcab.c
new file mode 100644
index 0000000..68943f0
--- /dev/null
+++ b/src/c_halfcab.c
@@ -0,0 +1,62 @@
+/*
+ * =====================
+ * ====  ===============
+ * =====================
+ * ===   ===   ====   ==
+ * ====  ==     ==  =  =
+ * ====  ==  =  ==     =
+ * ====  ==  =  ==  ====
+ * ====  ==  =  ==  =  =
+ * =  =  ===   ====   ==
+ * ==   ================
+ * =====================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2025, joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the organization nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * halfcab: src/c_halfcab.c
+ * Sat, 20 Sep 2025 16:24:57 +0200
+ * joe <rbo@gmx.us>
+ *
+ * the main
+ */
+
+#include <stdlib.h>
+
+int
+main
+(int		 argc,
+ const char* argv[])
+{
+	(void)argc;
+	(void)argv;
+	return (EXIT_SUCCESS);
+}
diff --git a/src/c_halfcab.h b/src/c_halfcab.h
new file mode 100644
index 0000000..f938c8f
--- /dev/null
+++ b/src/c_halfcab.h
@@ -0,0 +1,53 @@
+/*
+ * =====================
+ * ====  ===============
+ * =====================
+ * ===   ===   ====   ==
+ * ====  ==     ==  =  =
+ * ====  ==  =  ==     =
+ * ====  ==  =  ==  ====
+ * ====  ==  =  ==  =  =
+ * =  =  ===   ====   ==
+ * ==   ================
+ * =====================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2025, joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the organization nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * halfcab: src/c_halfcab.h
+ * Sat, 20 Sep 2025 16:24:57 +0200
+ * joe <rbo@gmx.us>
+ */
+
+#ifndef __C_HALFCAB_H__
+#define __C_HALFCAB_H__
+
+#endif /* __C_HALFCAB_H__ */
diff --git a/esp/halfcab/halfcab.ino b/src/esp/halfcab/halfcab.ino
index b5a0d49..5af220d 100644
--- a/esp/halfcab/halfcab.ino
+++ b/src/esp/halfcab/halfcab.ino
@@ -42,7 +42,7 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- * halfcab: eps/halfcab.ino
+ * halfcab: esp/halfcab/halfcab.ino
  * Sat, 20 Sep 2025 00:17:38 +0200
  * joe <rbo@gmx.us>
  *