From 7623a9820a7ddf31e82fee9a9e05ca56f8f1870f Mon Sep 17 00:00:00 2001
From: Francisco Molina <femolina@uc.cl>
Date: Wed, 30 Sep 2020 11:16:16 +0200
Subject: [PATCH] sys/net/ieee802154/radio.h: add TX_START

---
 sys/include/net/ieee802154/radio.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/sys/include/net/ieee802154/radio.h b/sys/include/net/ieee802154/radio.h
index 9b1dfa57ea..dd3aec68ff 100644
--- a/sys/include/net/ieee802154/radio.h
+++ b/sys/include/net/ieee802154/radio.h
@@ -100,6 +100,10 @@ typedef enum {
      * @brief the device reports the start of a frame (SFD) when received.
      */
     IEEE802154_CAP_IRQ_RX_START,
+    /**
+     * @brief the device reports the start of a frame (SFD) was sent.
+     */
+    IEEE802154_CAP_IRQ_TX_START,
     /**
      * @brief the device reports the end of the CCA procedure
      */
@@ -186,6 +190,15 @@ typedef enum {
      */
     IEEE802154_RADIO_INDICATION_RX_START,
 
+    /**
+     * @brief the transceiver sent out a valid SFD
+     *
+     * This event is present if radio has @ref IEEE802154_CAP_IRQ_TX_START cap.
+     *
+     * @note The SFD of an outgoing ACK (AUTOACK) should not be indicated
+     */
+    IEEE802154_RADIO_INDICATION_TX_START,
+
     /**
      * @brief the transceiver received a frame and lies in the
      *        internal framebuffer.
@@ -1073,6 +1086,22 @@ static inline bool ieee802154_radio_has_irq_rx_start(ieee802154_dev_t *dev)
     return dev->driver->get_cap(dev, IEEE802154_CAP_IRQ_RX_START);
 }
 
+/**
+ * @brief Check if the device supports TX start interrupt
+ *
+ * Internally this function calls ieee802154_radio_ops::get_cap with @ref
+ * IEEE802154_CAP_IRQ_TX_START.
+ *
+ * @param[in] dev IEEE802.15.4 device descriptor
+ *
+ * @return true if the device has support
+ * @return false otherwise
+ */
+static inline bool ieee802154_radio_has_irq_tx_start(ieee802154_dev_t *dev)
+{
+    return dev->driver->get_cap(dev, IEEE802154_CAP_IRQ_TX_START);
+}
+
 /**
  * @brief Check if the device supports CCA done interrupt
  *