Removing DBM from input stamper
use super::{SAMPLE_BUFFER_SIZE, hal, timers, DmaConfig, PeripheralToMemory, Transfer};
#[link_section = ".axisram.buffers"]
-static mut BUF: [[u16; SAMPLE_BUFFER_SIZE]; 3] = [[0; SAMPLE_BUFFER_SIZE]; 3];
+static mut BUF: [[u16; SAMPLE_BUFFER_SIZE]; 2] = [[0; SAMPLE_BUFFER_SIZE]; 2];
pub struct InputStamper {
_di0_trigger: hal::gpio::gpioa::PA3<hal::gpio::Alternate<hal::gpio::AF2>>,
@@ -30,25 +30,23 @@ impl InputStamper {
let dma_config = DmaConfig::default()
.transfer_complete_interrupt(true)
.memory_increment(true)
- .circular_buffer(true)
- .double_buffer(true)
.peripheral_increment(false);
- // This needs to operate in double-buffer+circular mode so that we don't potentially drop
- // input timestamps.
+ // TODO: This needs to operate in double-buffer+circular mode so that we don't potentially
+ // drop input timestamps.
let mut timestamp_transfer: Transfer<_, _, PeripheralToMemory, _> =
Transfer::init(
stream,
input_capture,
unsafe { &mut BUF[0] },
- unsafe { Some(&mut BUF[1]) },
+ None,
dma_config,
);
timestamp_transfer.start(|_| {});
Self {
- next_buffer: unsafe { Some(&mut BUF[2]) },
+ next_buffer: unsafe { Some(&mut BUF[1]) },
transfer: timestamp_transfer,
_di0_trigger: trigger,
}
