LPC11: Fixed unique ID reading

pavel-kirienko · pavel-kirienko · commit 1702ec05d0f4 · 2015-11-27T18:44:22.000+03:00
diff --git a/libuavcan_drivers/lpc11c24/test_olimex_lpc_p11c24/src/sys/board.cpp b/libuavcan_drivers/lpc11c24/test_olimex_lpc_p11c24/src/sys/board.cpp
@@ -154,10 +154,10 @@ __attribute__((optimize(0)))     // Optimization must be disabled lest it hardfa
 #endif
 void readUniqueID(std::uint8_t out_uid[UniqueIDSize])
 {
-    unsigned aligned_array[4] = {};  // out_uid may be unaligned, so we need to use temp array
+    unsigned aligned_array[5] = {};  // out_uid may be unaligned, so we need to use temp array
     unsigned iap_command = 58;
     reinterpret_cast<void(*)(void*, void*)>(0x1FFF1FF1)(&iap_command, aligned_array);
-    std::memcpy(out_uid, aligned_array, 16);
+    std::memcpy(out_uid, &aligned_array[1], 16);
 }
 
 void setStatusLed(bool state)

Original file line number	Diff line number	Diff line change
`@@ -154,10 +154,10 @@ __attribute__((optimize(0))) // Optimization must be disabled lest it hardfa`
`154`	`154`	`#endif`
`155`	`155`	`void readUniqueID(std::uint8_t out_uid[UniqueIDSize])`
`156`	`156`	`{`
`157`		`- unsigned aligned_array[4] = {}; // out_uid may be unaligned, so we need to use temp array`
	`157`	`+ unsigned aligned_array[5] = {}; // out_uid may be unaligned, so we need to use temp array`
`158`	`158`	`unsigned iap_command = 58;`
`159`	`159`	`reinterpret_cast<void()(void, void*)>(0x1FFF1FF1)(&iap_command, aligned_array);`
`160`		`- std::memcpy(out_uid, aligned_array, 16);`
	`160`	`+ std::memcpy(out_uid, &aligned_array[1], 16);`
`161`	`161`	`}`
`162`	`162`
`163`	`163`	`void setStatusLed(bool state)`