add vusb-i2cwrite

2 files changed, 29 insertions, 3 deletions

diff --git a/commandline/Makefile b/commandline/Makefile
index 6c51294..a4d0792 100644
--- a/commandline/Makefile
+++ b/commandline/Makefile
@@ -9,7 +9,7 @@ LIBS      = $(USBLIBS)
 PREFIX ?= /usr/local
 bin_dir = ${DESTDIR}${PREFIX}/bin
 
-PROGRAMS = vusb-i2c vusb-i2cdetect
+PROGRAMS = vusb-i2c vusb-i2cdetect vusb-i2cwrite
 
 all: $(PROGRAMS)
 
@@ -18,7 +18,8 @@ all: $(PROGRAMS)
 
 i2c.o: i2c.c i2c-util.c i2c-util.h
 i2c-util.o: i2c-util.c
-i2cdetect.o: i2cdetect.c
+i2cdetect.o: i2cdetect.c i2c-util.c i2c-util.h
+i2cwrite.o: i2cwrite.c i2c-util.c i2c-util.h
 
 vusb-i2c: i2c.o i2c-util.o
 	$(CC) -o $@ $^ $(LIBS)
@@ -26,11 +27,14 @@ vusb-i2c: i2c.o i2c-util.o
 vusb-i2cdetect: i2cdetect.o i2c-util.o
 	$(CC) -o $@ $^ $(LIBS)
 
+vusb-i2cwrite: i2cwrite.o i2c-util.o
+	$(CC) -o $@ $^ $(LIBS)
+
 clean:
 	rm -f *.o $(PROGRAMS)
 
 install:
-	install -m 0755 $(PROGRAMS) $(bin_dir)
+	install -m 4755 $(PROGRAMS) $(bin_dir)
 
 uninstall:
 	rm -rf $(bin_dir)/vusb-i2c $(bin_dir)/vusb-i2cdetect
diff --git a/commandline/i2cwrite.c b/commandline/i2cwrite.c
new file mode 100644
index 0000000..56031f9
--- /dev/null
+++ b/commandline/i2cwrite.c
@@ -0,0 +1,22 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "i2c-util.h"
+
+int main(int argc, char **argv)
+{
+	int i;
+
+	i2c_init();
+	i2c_start();
+
+	for (i = 1; i < argc; i++) {
+		i2c_tx_byte(atoi(argv[i]));
+	}
+
+	i2c_stop();
+	i2c_deinit();
+
+	return 0;
+}