From 22744026da9ad847d931e05192508f05f38bd5e8 Mon Sep 17 00:00:00 2001
From: "Morgan 'ARR\\!' Allen" <morganrallen@gmail.com>
Date: Sat, 22 Feb 2020 08:33:50 -0800
Subject: [PATCH] include DIO0 mode for CAD

---
 include/esp32-lora.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/esp32-lora.h b/include/esp32-lora.h
index acbb6ae..1882eac 100644
--- a/include/esp32-lora.h
+++ b/include/esp32-lora.h
@@ -72,6 +72,7 @@
 
 #define DIO0_MODE_RXDONE  0x00
 #define DIO0_MODE_TXDONE  0x40
+#define DIO0_MODE_CADDET  0x80
 
 #define EV_DIO0 (1 << 0)
 
@@ -88,6 +89,8 @@ const long bandwidths[9];
 
 typedef void (*receiveCallback)(uint8_t size);
 typedef void (*txdoneCallback)();
+typedef void (*cadDoneCallback)(bool detected);
+typedef void (*cadDetectedCallback)();
 
 typedef struct {
   EventGroupHandle_t events;
@@ -111,6 +114,9 @@ typedef struct lora32_cfg_t {
 
   receiveCallback receive;
   txdoneCallback tx_done;
+  cadDoneCallback cad_done;
+  cadDetectedCallback cad_detected;
+
   spi_device_handle_t spi;
 
   lora32_handle_t handle;
@@ -123,6 +129,7 @@ void lora32_send(lora32_cfg_t *config, uint8_t *data, uint8_t len);
 void lora32_set_spreadfactor(lora32_cfg_t *lora, uint8_t factor);
 void lora32_dump_regs(lora32_cfg_t *lora);
 void lora32_enable_continuous_rx(lora32_cfg_t *lora);
+void lora32_enable_cad(lora32_cfg_t *lora);
 void lora32_set_coding_rate(lora32_cfg_t *lora, uint8_t d);
 void lora32_read_data(lora32_cfg_t *lora, uint8_t *data);