Revision 0:cb29c01320b1, committed 2017-11-14

Comitter:

maclobdell

Date:

Tue Nov 14 14:58:48 2017 +0000

Child:

1:1f267b9c975a

Commit message:

Very simple example application that extracts details from AT45 SPI Flash and writes/reads a string to it.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AT45.lib	Tue Nov 14 14:58:48 2017 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/maclobdell/code/AT45/#f8e562ae5cc3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Nov 14 14:58:48 2017 +0000
@@ -0,0 +1,44 @@
+#include "mbed.h"
+
+#include "AT45.h"
+
+/* Tested on FRDM-KW24D512 */
+
+SPI spi(D11, D12, D13); 
+AT45 spif(&spi, D10);
+
+DigitalOut myled(LED1);
+
+int main() {
+
+    printf("spif test\n\r");
+  
+    printf("spif size: %d bytes\n\r",         spif.device_size());
+    printf("spif page erase size: %d bytes\n\r",    spif.pagesize());
+    printf("spif pages: %d\n\r",    spif.pages());
+    printf("spif block erase size: 4096 bytes\n\r");
+    printf("spif blocks: %d\n\r", spif.blocks());
+    printf("id: %d\n\r",   spif.id());
+
+    int pagesize = spif.pagesize();
+    
+    // Write "Hello World!" to a block
+    char *buffer = (char*) malloc(pagesize);
+    sprintf(buffer, "Hello World!\n");
+    spif.page_erase(3);
+    spif.write_page(buffer, 3);
+
+    char *buffer2 = (char*) malloc(pagesize);
+    // Read back what was stored
+    spif.read_page(buffer2, 3);
+
+    printf("%s", buffer2);
+
+    while(1) {
+        myled = 1;
+        wait(0.2);
+        myled = 0;
+        wait(0.2);
+                
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Tue Nov 14 14:58:48 2017 +0000
@@ -0,0 +1,1 @@
+https://github.com/armmbed/mbed-os/#78474a5129e18e136cc7e872adbaa5b74fbb8f6a