Diff: SnLPC1768UID.cpp

Revision:

116:8099b754fbb4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SnLPC1768UID.cpp	Tue May 03 02:01:35 2016 +0000
@@ -0,0 +1,41 @@
+#include "SnLPC1768UID.h"
+
+#include "mbed.h"
+
+/*
+ * How to read LPC1768 part ID and device serial number
+ * Dan Minear
+ * 2012-11-08
+ */
+
+#define IAP_LOCATION 0x1FFF1FF1
+ 
+typedef void (*IAP)(uint32_t [], uint32_t[] );
+IAP iap_entry = (IAP) IAP_LOCATION;
+
+bool SnLPC1768UID::GetUID(uint32_t uid[SnLPC1768UID::kUIDlen]) {
+#ifdef DEBUG
+    printf("SnLPC1768UID::GetUID ... \r\n");
+#endif
+    // 58 here asks for the UID of the chip
+    static const uint8_t kLenCmd = kUIDlen + 1;
+    uint32_t command[kLenCmd] = {58,0,0,0,0};
+    uint32_t result[kLenCmd]  =  {0,0,0,0,0};
+    iap_entry(command, result);
+    if (result[0] == 0) {
+        for(int i = 0; i < kUIDlen; ++i) {
+            uid[i] = result[i+1];
+#ifdef DEBUG
+            printf( "0x%08X\r\n", uid[i] );
+#endif
+        }
+        return true;
+        
+    } else {
+#ifdef DEBUG
+        printf("Status error!\r\n");
+#endif
+
+    }
+    return false;
+};