From e1aa93ffa72b92ec4eaf6ba40d85ac25c185daa8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=EA=B7=9C=ED=98=95?= <larche@falinux.com>
Date: Fri, 31 Mar 2017 11:51:59 +0900
Subject: [PATCH] = Fram sample code

---
 samplecode/fram/make.sh | 14 ++++++++++++
 samplecode/fram/read.c  | 57 +++++++++++++++++++++++++++++++++++++++++++++++++
 samplecode/fram/write.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 126 insertions(+)
 create mode 100755 samplecode/fram/make.sh
 create mode 100644 samplecode/fram/read.c
 create mode 100644 samplecode/fram/write.c

diff --git a/samplecode/fram/make.sh b/samplecode/fram/make.sh
new file mode 100755
index 0000000..4eb3d1b
--- /dev/null
+++ b/samplecode/fram/make.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+if [ -z "${FA_PRODUCT}" ]
+then
+    echo ""
+    echo "Check environment variables..."
+    echo "  $> source ../../env-4.9.4.env"
+    echo ""
+    exit 1
+fi
+
+${CROSS_COMPILE}gcc -o write write.c
+
+${CROSS_COMPILE}gcc -o read write.c
diff --git a/samplecode/fram/read.c b/samplecode/fram/read.c
new file mode 100644
index 0000000..4da3ba3
--- /dev/null
+++ b/samplecode/fram/read.c
@@ -0,0 +1,57 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <ftw.h>
+#include <string.h>
+
+#define READ_SIZE		512
+#define READ_BUF_LEN	2048
+#define DEV_NAME	"/sys/bus/spi/devices/spi0.0/fram"
+
+int main(int argc, char ** argv)
+{
+	char read_buffer[READ_SIZE]={0,};
+	char *device = NULL;
+	int i,j,k;
+	unsigned int fd;
+	unsigned int size;
+
+	device = argv[1];
+
+	if(argc < 3)
+		device = DEV_NAME;
+
+
+	fd = open (device, O_RDWR);
+	if(fd < 0)
+	{
+		fputs("Error \n",stderr);
+		exit(1);
+	}
+
+	printf("       0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F");
+
+
+	for(i=0, k=0; i<4; i++)
+	{
+		size = read(fd, read_buffer, READ_SIZE);
+
+		for(j=0; j<READ_SIZE; j++)
+		{
+			if( !(k%16) )
+				printf("\n %03X: ",k&(~0x1));
+
+			k++;
+			printf("%02X ",read_buffer[j]);
+		}
+		printf("\n=====================================================\n");
+		printf("ReadSize: %d\n",size);
+	}
+
+	close(fd);
+
+	return 0;
+}
diff --git a/samplecode/fram/write.c b/samplecode/fram/write.c
new file mode 100644
index 0000000..f6a573d
--- /dev/null
+++ b/samplecode/fram/write.c
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <ftw.h>
+#include <string.h>
+
+#define READ_BUF_LEN	2048
+#define WRITE_BUF_LEN	2048
+#define DEV_NAME	"/sys/bus/spi/devices/spi0.0/fram"
+
+int main(int argc, char ** argv)
+{
+	char *device = NULL;
+	unsigned char *write_buffer;
+	int i,j;
+	unsigned int fd;
+	unsigned int size;
+
+	device = argv[1];
+
+	if(argc < 2)
+		device = DEV_NAME;
+
+
+	fd = open (device, O_RDWR);
+	if(fd < 0)
+	{
+		fputs("Error \n",stderr);
+		exit(1);
+	}
+
+	write_buffer = (unsigned char *)malloc( sizeof(unsigned char)*WRITE_BUF_LEN );
+	memset(write_buffer, 0x0, WRITE_BUF_LEN);
+
+	j=0;
+	for(i=0;i<2048;i++)
+	{
+		write_buffer[i] = 0xff;
+
+		if((i%0x10) == 0)
+			write_buffer[i] = j++;
+	}
+
+	size = write(fd, write_buffer, WRITE_BUF_LEN);
+	printf("size(%d)\n",size);
+
+	free(write_buffer);
+	close(fd);
+
+
+	return 0;
+}
-- 
2.1.4