From 0779bf0e82a18412afa059f4db363d5959f56a0d Mon Sep 17 00:00:00 2001
From: Will Hedgecock <will.hedgecock@gmail.com>
Date: Mon, 4 Nov 2024 20:26:20 -0600
Subject: [PATCH] Enable LNA for Antenna 1

---
 software/firmware/src/peripherals/src/ranging.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/software/firmware/src/peripherals/src/ranging.c b/software/firmware/src/peripherals/src/ranging.c
index 14979b3e..d05c15c6 100644
--- a/software/firmware/src/peripherals/src/ranging.c
+++ b/software/firmware/src/peripherals/src/ranging.c
@@ -492,14 +492,17 @@ void ranging_radio_choose_antenna(uint8_t antenna_number)
    switch (antenna_number)
    {
       case 0:
+         dwt_setlnapamode(DWT_LNA_ENABLE);
          am_hal_gpio_output_clear(PIN_RADIO_ANTENNA_SELECT1);
          am_hal_gpio_output_set(PIN_RADIO_ANTENNA_SELECT2);
          break;
       case 1:
+         dwt_setlnapamode(DWT_LNA_PA_DISABLE);
          am_hal_gpio_output_set(PIN_RADIO_ANTENNA_SELECT1);
          am_hal_gpio_output_clear(PIN_RADIO_ANTENNA_SELECT2);
          break;
       case 2:
+         dwt_setlnapamode(DWT_LNA_PA_DISABLE);
          am_hal_gpio_output_set(PIN_RADIO_ANTENNA_SELECT1);
          am_hal_gpio_output_set(PIN_RADIO_ANTENNA_SELECT2);
          break;