Merge pull request RIOT-OS#10268 from SemjonKerner/add_nrf154

cpu/nrf52/radio: initial support for nrf52's ieee802.15.4 radio

boards/common/nrf52/Makefile.dep

@@ -1,3 +1,5 @@
+include $(RIOTCPU)/nrf52/Makefile.dep
+
 ifneq (,$(filter skald,$(USEMODULE)))
  USEMODULE += nrfble
 endif

boards/common/nrf52/include/cfg_timer_default.h

@@ -36,10 +36,17 @@ static const timer_conf_t timer_config[] = {
  .channels = 3,
  .bitmode = TIMER_BITMODE_BITMODE_32Bit,
  .irqn = TIMER1_IRQn
+ },
+ {
+ .dev = NRF_TIMER2,
+ .channels = 3,
+ .bitmode = TIMER_BITMODE_BITMODE_08Bit,
+ .irqn = TIMER2_IRQn
  }
 };
 
 #define TIMER_0_ISR isr_timer1
+#define TIMER_1_ISR isr_timer2
 
 #define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0]))
 /** @} */

boards/nrf52840dk/Makefile.dep

@@ -1 +1,7 @@
 include $(RIOTBOARD)/common/nrf52xxxdk/Makefile.dep
+
+ifneq (,$(filter gnrc_netdev_default netdev_default,$(USEMODULE)))
+ ifeq (,$(filter nrfmin,$(USEMODULE)))
+ USEMODULE += nrf802154
+ endif
+endif

boards/nrf52840dk/Makefile.features

@@ -1 +1,5 @@
 include $(RIOTBOARD)/common/nrf52xxxdk/Makefile.features
+
+# Various other features (if any)
+FEATURES_PROVIDED += radio_nrf802154
+FEATURES_PROVIDED += periph_pwm

cpu/nrf52/Makefile

@@ -7,4 +7,9 @@ DIRS = periph $(RIOTCPU)/cortexm_common $(RIOTCPU)/nrf5x_common
 # (file triggers compiler bug. see #5775)
 SRC_NOLTO += vectors.c
 
+# build the nrf802154 driver if selected
+ifneq (,$(filter nrf802154,$(USEMODULE)))
+ DIRS += radio/nrf802154
+endif
+
 include $(RIOTBASE)/Makefile.base

cpu/nrf52/Makefile.dep

@@ -0,0 +1,6 @@
+ifneq (,$(filter nrf802154,$(USEMODULE)))
+ FEATURES_REQUIRED += periph_timer
+ FEATURES_REQUIRED += radio_nrf802154
+ USEMODULE += luid
+ USEMODULE += netdev_ieee802154
+endif

cpu/nrf52/Makefile.include

@@ -7,5 +7,9 @@ export MCUBOOT_SLOT0_SIZE = 0x8000
 export MCUBOOT_SLOT1_SIZE = 0x3C000
 export MCUBOOT_SLOT2_SIZE = 0x3C000
 
+ifneq (,$(filter nrf802154,$(USEMODULE)))
+ CFLAGS += -DGNRC_NETIF_MSG_QUEUE_SIZE=16
+endif
+
 include $(RIOTCPU)/nrf5x_common/Makefile.include
 include $(RIOTMAKE)/arch/cortexm.inc.mk

cpu/nrf52/include/nrf802154.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2019 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @defgroup drivers_nrf52_802154 IEEE802.15.4 Driver for nRF52840 SoCs
+ * @ingroup drivers_netdev
+ * @brief Driver for using the nRF52's radio in IEEE802.15.4 mode
+ *
+ * ## Implementation state ##
+ * Netdev events supported:
+ *
+ * - NETDEV_EVENT_RX_COMPLETE
+ * - NETDEV_EVENT_TX_COMPLETE
+ *
+ * Transmission options not yet impemented:
+ * - Send acknowledgement for packages
+ * - Request acknowledgement
+ * - Retransmit unacked packages
+ * - Carrier Sense Multiple Access (CSMA) and Implementation of Clear Channel
+ * Assessment Control (CCACTRL)
+ *
+ * @{
+ *
+ * @file
+ * @brief Driver interface for using the nRF52 in IEEE802.15.4 mode
+ *
+ * @author Hauke Petersen <[email protected]>
+ * @author Semjon Kerner <[email protected]>
+ */
+
+#ifndef NRF802154_H
+#define NRF802154_H
+
+#include "net/netdev/ieee802154.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Export the netdev device descriptor
+ */
+extern netdev_ieee802154_t nrf802154_dev;
+
+/**
+ * @brief IEEE 802.15.4 radio timer configuration
+ *
+ * this radio relies on a dedicated hardware timer to maintain IFS
+ * the default timer may be overwritten in the board configuration
+ */
+#ifndef NRF802154_TIMER
+#define NRF802154_TIMER TIMER_DEV(1)
+#endif
+
+#endif /* NRF802154_H */
+/** @} */

cpu/nrf52/radio/nrf802154/Makefile

@@ -0,0 +1,3 @@
+MODULE = nrf802154
+
+include $(RIOTBASE)/Makefile.base