From d5c8703c483171e0116fd2aad925477664f6f413 Mon Sep 17 00:00:00 2001
From: chudov <chudov@gmail.com>
Date: Tue, 16 Feb 2021 23:56:02 +0100
Subject: [PATCH] drivers/at86rf2xx: add missing handler for TRX24_RX_START
 interrupt for ATmegaRF MCUs

---
 drivers/at86rf2xx/at86rf2xx_netdev.c | 94 ++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)

diff --git a/drivers/at86rf2xx/at86rf2xx_netdev.c b/drivers/at86rf2xx/at86rf2xx_netdev.c
index 7d9f4cd030..fd920a4844 100644
--- a/drivers/at86rf2xx/at86rf2xx_netdev.c
+++ b/drivers/at86rf2xx/at86rf2xx_netdev.c
@@ -859,6 +859,62 @@ ISR(TRX24_TX_START_vect){
 }
 #endif
 
+/**
+ * @brief  Transceiver PLL Lock
+ *
+ *  Is triggered when PLL locked successfully.
+ *
+ * Manual p. 40
+ */
+ISR(TRX24_PLL_LOCK_vect, ISR_BLOCK)
+{
+    avr8_enter_isr();
+
+    DEBUG("TRX24_PLL_LOCK\n");
+    ((at86rf2xx_t *)at86rfmega_dev)->irq_status |= AT86RF2XX_IRQ_STATUS_MASK__PLL_LOCK;
+
+    avr8_exit_isr();
+}
+
+/**
+ * @brief  Transceiver PLL Unlock
+ *
+ *  Is triggered when PLL unlocked unexpectedly.
+ *
+ * Manual p. 89
+ */
+ISR(TRX24_PLL_UNLOCK_vect, ISR_BLOCK)
+{
+    avr8_enter_isr();
+
+    DEBUG("TRX24_PLL_UNLOCK\n");
+    ((at86rf2xx_t *)at86rfmega_dev)->irq_status |= AT86RF2XX_IRQ_STATUS_MASK__PLL_UNLOCK;
+
+    avr8_exit_isr();
+}
+
+/**
+ * @brief ISR for transceiver's receive start interrupt
+ *
+ *  Is triggered when valid PHR is detected.
+ *  Save IRQ status and inform upper layer of data reception.
+ *
+ * Flow Diagram Manual p. 52 / 63
+ */
+ISR(TRX24_RX_START_vect, ISR_BLOCK)
+{
+    avr8_enter_isr();
+
+    uint8_t status = *AT86RF2XX_REG__TRX_STATE & AT86RF2XX_TRX_STATUS_MASK__TRX_STATUS;
+    DEBUG("TRX24_RX_START 0x%x\n", status);
+
+    ((at86rf2xx_t *)at86rfmega_dev)->irq_status |= AT86RF2XX_IRQ_STATUS_MASK__RX_START;
+    /* Call upper layer to process valid PHR */
+    netdev_trigger_event_isr(at86rfmega_dev);
+
+    avr8_exit_isr();
+}
+
 /**
  * @brief ISR for transceiver's receive end interrupt
  *
@@ -881,6 +937,23 @@ ISR(TRX24_RX_END_vect, ISR_BLOCK)
     avr8_exit_isr();
 }
 
+/**
+ * @brief  Transceiver CCAED Measurement finished
+ *
+ *  Is triggered when CCA or ED measurement completed.
+ *
+ * Manual p. 74 and p. 76
+ */
+ISR(TRX24_CCA_ED_DONE_vect, ISR_BLOCK)
+{
+    avr8_enter_isr();
+
+    DEBUG("TRX24_CCA_ED_DONE\n");
+    ((at86rf2xx_t *)at86rfmega_dev)->irq_status |= AT86RF2XX_IRQ_STATUS_MASK__CCA_ED_DONE;
+
+    avr8_exit_isr();
+}
+
 /**
  * @brief  Transceiver Frame Address Match, indicates incoming frame
  *
@@ -926,4 +999,25 @@ ISR(TRX24_TX_END_vect, ISR_BLOCK)
     avr8_exit_isr();
 }
 
+/**
+ * @brief ISR for transceiver's wakeup finished interrupt
+ *
+ *  Is triggered when transceiver module reset is finished.
+ *  Save IRQ status and inform upper layer the transceiver is operational.
+ *
+ * Manual p. 40
+ */
+ISR(TRX24_AWAKE_vect, ISR_BLOCK)
+{
+    avr8_enter_isr();
+
+    DEBUG("TRX24_AWAKE\n");
+
+    ((at86rf2xx_t *)at86rfmega_dev)->irq_status |= AT86RF2XX_IRQ_STATUS_MASK__AWAKE;
+    /* Call upper layer to process transceiver wakeup finished */
+    netdev_trigger_event_isr(at86rfmega_dev);
+
+    avr8_exit_isr();
+}
+
 #endif /* MODULE_AT86RFA1 || MODULE_AT86RFR2 */