In examples, allow the static_mut_refs lint

For the future, need to investigate:
* How to implement DMA without requiring the lifetime of the buffer to be
'static
* How to specific the link_section of non-static buffers

examples/dma.rs

@@ -1,6 +1,7 @@
 //! Example of Memory to Memory Transfer with the DMA
 
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![no_main]
 #![no_std]
 

examples/ethernet-nucleo-h743zi2.rs

@@ -9,6 +9,7 @@
 //! This demo does not use smoltcp - see the ethernet-rtic-stm32h747i-disco demo
 //! for an example of smoltcp
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![no_main]
 #![no_std]
 

examples/i2c4_bdma.rs

@@ -3,6 +3,7 @@
 //!
 
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![no_std]
 #![no_main]
 

examples/mdma.rs

@@ -1,6 +1,7 @@
 //! Example of Memory to Memory Transfer with the Master DMA (MDMA)
 
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![no_main]
 #![no_std]
 

examples/mdma_bursts.rs

@@ -6,6 +6,7 @@
 //! beats/burst. The latter gives an approximately 25% speedup.
 
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![no_main]
 #![no_std]
 

examples/sai_dma_passthru.rs

@@ -3,6 +3,7 @@
 
 #![allow(unused_macros)]
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![no_main]
 #![no_std]
 

examples/serial-dma.rs

@@ -8,6 +8,7 @@
 //! the transfer.
 
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![no_main]
 #![no_std]
 

examples/spi-dma-rtic.rs

@@ -3,6 +3,7 @@
 //!
 //! This example demonstrates using DMA to write data over a TX-only SPI interface.
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![allow(clippy::type_complexity)]
 #![no_main]
 #![no_std]

examples/spi-dma.rs

@@ -8,6 +8,7 @@
 //! the transfer.
 
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![no_main]
 #![no_std]
 

examples/usb_passthrough.rs

@@ -5,6 +5,7 @@
 //! This example uses both USB1 and USB2. This is only possible on devices that
 //! have the USB2 peripheral.
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![no_std]
 #![no_main]
 

examples/usb_phy_serial_interrupt.rs

@@ -3,6 +3,7 @@
 //! This example is for RM0433/RM0399 parts. It has been tested on the Arduino
 //! Portenta H7
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![allow(clippy::type_complexity)]
 #![no_std]
 #![no_main]

examples/usb_rtic.rs

@@ -7,6 +7,7 @@
 //! NUCLEO-H743ZI2 board.
 //!
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![no_std]
 #![no_main]
 

examples/usb_serial.rs

@@ -9,6 +9,7 @@
 //! NUCLEO-H743ZI2 board.
 //!
 #![deny(warnings)]
+#![allow(static_mut_refs)]
 #![no_std]
 #![no_main]