From bbb2e671aba89a7f72ef2966e12b8b2af1cf3a9e Mon Sep 17 00:00:00 2001
From: Stephen D <webmaster@scd31.com>
Date: Thu, 19 Oct 2023 19:36:17 -0300
Subject: [PATCH] variable length rx
---
src/lib.rs | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/lib.rs b/src/lib.rs
index b957b31..6fcc0fa 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -81,10 +81,13 @@ where
matches!(self.state, InternalState::Idle)
}
- pub fn start_rx(&mut self, rx_forever: bool) -> Result<(), Spi::Error> {
+ // Len is none when using a variable-length packet
+ pub fn start_rx(&mut self, len: Option<usize>, rx_forever: bool) -> Result<(), Spi::Error> {
self.radio.clear_fifo()?;
self.radio.clear_ph_and_modem_interrupts()?;
+ let len = len.unwrap_or(0);
+
self.state = InternalState::Rx {
data: [0; MAX_PACKET_LEN],
i: 0,
@@ -96,8 +99,8 @@ where
START_RX,
self.channel,
0,
- (MAX_PACKET_LEN >> 8).try_into().unwrap(),
- (MAX_PACKET_LEN & 0xff).try_into().unwrap(),
+ (len >> 8).try_into().unwrap(),
+ (len & 0xff).try_into().unwrap(),
State::Rx.into(),
if rx_forever {
State::Rx.into()
--
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