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hacknus · hacknus · commit 9ed96aeb4e29 · 2023-11-23T16:19:41.000+01:00
diff --git a/examples/uart-dma.rs b/examples/uart-dma.rs
@@ -187,6 +187,9 @@ fn main() -> ! {
         }
     }
 
+    // to test this, connect the RX and TX pins together for a loopback
+    // - so you can listen to what you just sent.
+
     uart3_write(b"hello world\r").expect("Failed to write to UART3");
     let _response = uart3_read_until(b'\r').expect("Failed to read from UART3");
     // ... do something with response

Original file line number	Diff line number	Diff line change
`@@ -187,6 +187,9 @@ fn main() -> ! {`
`187`	`187`	`}`
`188`	`188`	`}`
`189`	`189`
	`190`	`+ // to test this, connect the RX and TX pins together for a loopback`
	`191`	`+ // - so you can listen to what you just sent.`
	`192`	`+`
`190`	`193`	`uart3_write(b"hello world\r").expect("Failed to write to UART3");`
`191`	`194`	`let _response = uart3_read_until(b'\r').expect("Failed to read from UART3");`
`192`	`195`	`// ... do something with response`