update spi test code

Change-Id: If3a2684397ea7ec461718930cc5a671235c6fa17
diff --git a/mbtk/test/others/mbtk_spi_write.c b/mbtk/test/others/mbtk_spi_write.c
index 19a0a44..be15742 100755
--- a/mbtk/test/others/mbtk_spi_write.c
+++ b/mbtk/test/others/mbtk_spi_write.c
@@ -44,7 +44,7 @@
 *  Created on: 2013-5-28

 *      Author: lzy

 */

-static const char *device = "/dev/spidev1.0";

+static char device[64] = {0};

 static uint8_t mode = 0; /* SPI通信使用全双工,设置CPOL=0,CPHA=0。 */

 static uint8_t bits = 8; /* 8bits读写,MSB first。*/

 static uint32_t speed = 12 * 1000 * 1000;/* 设置12M传输速度 */

@@ -291,7 +291,18 @@
 int main(int argc, char *argv[])

 {

     int ret = 0;

- 

+

+    if(argc == 2)

+    {

+        memset(device, 0x0, 64);

+        memcpy(device, argv[1], strlen(argv[1]));

+        printf("device: %s\n", device);

+    }

+    else

+    {

+        printf("format: mbtk_spi_write <dev>\n");

+        return -1;

+    }

     ret = SPI_Open();

     if (ret)

         return ret;