Diff: main.cpp

Revision:

0:ceaf9292b25a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Feb 20 09:32:09 2011 +0000
@@ -0,0 +1,95 @@
+/* This program is based on the Ser25LCxxx_test program by Hendrik Lipka
+* It was adapted to flash25spi library on 19.2.2011 by Klaus Steinhammer
+* the BSD license also applies to this code - have fun. 
+*/
+
+/*
+* Ser25LCxxx_test program
+* Copyright (c) 2010 Hendrik Lipka
+* 
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+* 
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+* THE SOFTWARE.
+*/
+
+
+
+#include "mbed.h"
+#include "flash25spi.h"
+
+void dumpLine(char* s, int len)
+{
+    for (int i=0;i<len;i++)
+    {
+        printf("%X ",s[i]);
+    }
+    printf("\n");
+}
+
+void dump(char *s, int len)
+{
+    int i=0;
+    while (i<len)
+    {
+        if (i+16<len)
+            dumpLine(s+i,16);
+        else
+            dumpLine(s+i,len-i);
+        i+=16;
+    }
+}
+
+int main() {
+    printf("******** [%s] *********\n",__TIME__);
+    // setup hardware
+    SPI spi(p5,p6,p7);
+    spi.format(8,3);
+    spi.frequency(1000000);
+    // /CS is connected to p8, chip,in question is a en25q32 (4Mx8, 256-byte page, 4k sectorsize, 64k blocksize)
+    flash25spi flash(&spi, p8);
+    
+    int len=512;
+    
+    printf("dump initial memory content (2 pages)\n");
+    char* r=flash.read(0xff00,len);
+    dump(r,len);
+    printf("\n");
+    
+    // write some stuff to the first and second page
+    char buf[64];
+    sprintf(buf,"******** [%s] *********\n",__TIME__);
+    
+    bool b=flash.write(0xfff0,strlen(buf),buf);
+
+    printf("read written data back (2 pages)\n");
+    r=flash.read(0xff00,len);
+    dump(r,len);
+    printf("\n");
+    
+    printf("clear first page, read 2 pages back\n");
+    flash.clearSector(0xff00);
+    r=flash.read(0xff00,len);
+    dump(r,len);
+    printf("\n");
+    
+    printf("clear everything, read 2 pages back\n");
+    flash.clearMem();
+    r=flash.read(0xff00,len);
+    dump(r,len);
+    printf("\n");
+    
+}