1 files changed, 34 insertions, 0 deletions
diff --git a/commandline/i2cget.c b/commandline/i2cget.c
new file mode 100644
index 0000000..ed453ac
--- /dev/null
+++ b/commandline/i2cget.c
@@ -0,0 +1,34 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "i2c-util.h"
+
+int main(int argc, char **argv)
+{
+	int address, command;
+	unsigned char ret;
+
+	i2c_init();
+	i2c_start();
+
+	if (argc < 3) {
+		fputs("Usage: vusb-i2cget <address> <register>", stderr);
+		return 1;
+	}
+
+	address = atoi(argv[1]);
+	command = atoi(argv[2]);
+	i2c_tx_byte((address << 1) | 0);
+	i2c_tx_byte(command);
+	i2c_start();
+	i2c_tx_byte((address << 1) | 1);
+	ret = i2c_rx_byte();
+
+	i2c_stop();
+	i2c_deinit();
+
+	printf("%i\n", ret);
+
+	return 0;
+}