lora: Make some options configurable

Call `config()` only once at construction not with every RX and TX operation.
The Lora-E5 only supports HP mode, use that instead.
The nucleo board supports both HP and LP and should continue to work.

1 files changed, 3 insertions, 1 deletions

diff --git a/examples/stm32wl/src/bin/lorawan.rs b/examples/stm32wl/src/bin/lorawan.rs
index 0ef13354d..83df0188a 100644
--- a/examples/stm32wl/src/bin/lorawan.rs
+++ b/examples/stm32wl/src/bin/lorawan.rs
@@ -60,7 +60,9 @@ async fn main(_spawner: Spawner) {
     let radio = SubGhz::new(p.SUBGHZSPI, NoDma, NoDma);
     let irq = interrupt::take!(SUBGHZ_RADIO);
 
-    let radio = SubGhzRadio::new(radio, rfs, irq);
+    let mut radio_config = SubGhzRadioConfig::default();
+    radio_config.calibrate_image = CalibrateImage::ISM_863_870;
+    let radio = SubGhzRadio::new(radio, rfs, irq, radio_config).unwrap();
 
     let mut region: region::Configuration = region::EU868::default().into();