diff options
Diffstat (limited to 'examples/mimxrt6/src/bin/dma.rs')
| -rw-r--r-- | examples/mimxrt6/src/bin/dma.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/examples/mimxrt6/src/bin/dma.rs b/examples/mimxrt6/src/bin/dma.rs new file mode 100644 index 000000000..b490efc6b --- /dev/null +++ b/examples/mimxrt6/src/bin/dma.rs | |||
| @@ -0,0 +1,26 @@ | |||
| 1 | #![no_std] | ||
| 2 | #![no_main] | ||
| 3 | |||
| 4 | extern crate embassy_imxrt_examples; | ||
| 5 | |||
| 6 | use defmt::info; | ||
| 7 | use embassy_executor::Spawner; | ||
| 8 | use embassy_imxrt::dma::copy; | ||
| 9 | use {defmt_rtt as _, panic_probe as _}; | ||
| 10 | |||
| 11 | const BUFLEN: usize = 1024; | ||
| 12 | |||
| 13 | #[embassy_executor::main] | ||
| 14 | async fn main(_spawner: Spawner) { | ||
| 15 | let p = embassy_imxrt::init(Default::default()); | ||
| 16 | |||
| 17 | info!("Test memory-to-memory DMA transfers"); | ||
| 18 | |||
| 19 | let src = [0x55u8; BUFLEN]; | ||
| 20 | let mut dst = [0u8; BUFLEN]; | ||
| 21 | |||
| 22 | unsafe { copy(p.DMA0_CH0, &src, &mut dst) }.await; | ||
| 23 | assert!(dst == src); | ||
| 24 | |||
| 25 | info!("DMA copy succeeded"); | ||
| 26 | } | ||
