dfu: document _dfu_msg

2021-01-13 11:50:09 +08:00 · 2021-01-13 11:50:09 +08:00 · 253bebd9d5
commit 253bebd9d5
parent 251e4d3dd4
1 changed files with 1 additions and 0 deletions
--- a/src/dfu.rs
+++ b/src/dfu.rs
@ -3,6 +3,7 @@ use cortex_m_rt::{pre_init};
 const DFU_TRIG_MSG: u32 = 0xDECAFBAD;

 extern "C" {
+    // This symbol comes from memory.x
    static mut _dfu_msg: u32;
 }