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Posted to commits@nuttx.apache.org by ag...@apache.org on 2020/07/20 16:11:21 UTC
[incubator-nuttx] 02/03: boards/arm/nrf52/nrf52840-dk: add timer
example
This is an automated email from the ASF dual-hosted git repository.
aguettouche pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit 8fe3a46dc0593dc9723e773d69ca5ed83ddc14bb
Author: raiden00pl <ra...@railab.me>
AuthorDate: Mon Jul 20 11:12:09 2020 +0200
boards/arm/nrf52/nrf52840-dk: add timer example
---
.../arm/nrf52/nrf52840-dk/configs/timer/defconfig | 55 ++++++++++++++++++++
boards/arm/nrf52/nrf52840-dk/src/Makefile | 4 ++
boards/arm/nrf52/nrf52840-dk/src/nrf52840-dk.h | 13 +++++
boards/arm/nrf52/nrf52840-dk/src/nrf52_bringup.c | 18 +++++++
boards/arm/nrf52/nrf52840-dk/src/nrf52_timer.c | 58 ++++++++++++++++++++++
5 files changed, 148 insertions(+)
diff --git a/boards/arm/nrf52/nrf52840-dk/configs/timer/defconfig b/boards/arm/nrf52/nrf52840-dk/configs/timer/defconfig
new file mode 100644
index 0000000..f9566ef
--- /dev/null
+++ b/boards/arm/nrf52/nrf52840-dk/configs/timer/defconfig
@@ -0,0 +1,55 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_ARCH_FPU is not set
+# CONFIG_NSH_DISABLE_IFCONFIG is not set
+# CONFIG_NSH_DISABLE_PS is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="nrf52840-dk"
+CONFIG_ARCH_BOARD_NRF52840_DK=y
+CONFIG_ARCH_CHIP="nrf52"
+CONFIG_ARCH_CHIP_NRF52840=y
+CONFIG_ARCH_CHIP_NRF52=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARCH_STDARG_H=y
+CONFIG_BOARD_LOOPSPERMSEC=5500
+CONFIG_BUILTIN=y
+CONFIG_EXAMPLES_TIMER=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_FAT_LFN=y
+CONFIG_FS_FAT=y
+CONFIG_MAX_TASKS=16
+CONFIG_MAX_WDOGPARMS=2
+CONFIG_MM_REGIONS=2
+CONFIG_NFILE_DESCRIPTORS=8
+CONFIG_NFILE_STREAMS=8
+CONFIG_NRF52_RTC0=y
+CONFIG_NRF52_TIMER0=y
+CONFIG_NRF52_UART0=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_PREALLOC_MQ_MSGS=4
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_PREALLOC_WDOGS=4
+CONFIG_RAM_SIZE=65535
+CONFIG_RAM_START=0x20000000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_START_DAY=26
+CONFIG_START_MONTH=3
+CONFIG_SYMTAB_ORDEREDBYNAME=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_TIMER=y
+CONFIG_UART0_SERIAL_CONSOLE=y
+CONFIG_USER_ENTRYPOINT="nsh_main"
+CONFIG_WDOG_INTRESERVE=0
diff --git a/boards/arm/nrf52/nrf52840-dk/src/Makefile b/boards/arm/nrf52/nrf52840-dk/src/Makefile
index 08441a6..1f31b25 100644
--- a/boards/arm/nrf52/nrf52840-dk/src/Makefile
+++ b/boards/arm/nrf52/nrf52840-dk/src/Makefile
@@ -75,4 +75,8 @@ ifeq ($(CONFIG_NRF52840DK_HIGHPRI),y)
CSRCS += nrf52_highpri.c
endif
+ifeq ($(CONFIG_TIMER),y)
+CSRCS += nrf52_timer.c
+endif
+
include $(TOPDIR)/boards/Board.mk
diff --git a/boards/arm/nrf52/nrf52840-dk/src/nrf52840-dk.h b/boards/arm/nrf52/nrf52840-dk/src/nrf52840-dk.h
index 7db93cb..49aefd3 100644
--- a/boards/arm/nrf52/nrf52840-dk/src/nrf52840-dk.h
+++ b/boards/arm/nrf52/nrf52840-dk/src/nrf52840-dk.h
@@ -161,11 +161,24 @@ int nrf52_hts221_initialize(char *devpath);
*
* Description:
* Initialize SX127X LPWAN interaface.
+ *
****************************************************************************/
#ifdef CONFIG_LPWAN_SX127X
int nrf52_lpwaninitialize(void);
#endif
+/****************************************************************************
+ * Name: nrf52_timer_driver_setup
+ *
+ * Description:
+ * Initialize TIMER driver.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_TIMER
+int nrf52_timer_driver_setup(FAR const char *devpath, int timer);
+#endif
+
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_NRF52_NRF52840_DK_SRC_NRF52840_DK_H */
diff --git a/boards/arm/nrf52/nrf52840-dk/src/nrf52_bringup.c b/boards/arm/nrf52/nrf52840-dk/src/nrf52_bringup.c
index 124c878..09bff16 100644
--- a/boards/arm/nrf52/nrf52840-dk/src/nrf52_bringup.c
+++ b/boards/arm/nrf52/nrf52840-dk/src/nrf52_bringup.c
@@ -49,6 +49,12 @@
#include "nrf52840-dk.h"
/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define NRF52_TIMER (0)
+
+/****************************************************************************
* Public Functions
****************************************************************************/
@@ -174,6 +180,18 @@ int nrf52_bringup(void)
}
#endif /* CONFIG_LPWAN_SX127X */
+#ifdef CONFIG_TIMER
+ /* Configure TIMER driver */
+
+ ret = nrf52_timer_driver_setup("/dev/timer0", NRF52_TIMER);
+ if (ret < 0)
+ {
+ syslog(LOG_ERR,
+ "ERROR: Failed to initialize timer driver: %d\n",
+ ret);
+ }
+#endif
+
UNUSED(ret);
return OK;
}
diff --git a/boards/arm/nrf52/nrf52840-dk/src/nrf52_timer.c b/boards/arm/nrf52/nrf52840-dk/src/nrf52_timer.c
new file mode 100644
index 0000000..183498e
--- /dev/null
+++ b/boards/arm/nrf52/nrf52840-dk/src/nrf52_timer.c
@@ -0,0 +1,58 @@
+/****************************************************************************
+ * boards/arm/nrf52/nrf52840-dk/src/nrf52_timer.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/timers/timer.h>
+
+#include <debug.h>
+
+#include "nrf52_tim_lowerhalf.h"
+
+#include "nrf52840-dk.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nrf52_timer_driver_setup
+ *
+ * Description:
+ * Configure the timer driver.
+ *
+ * Input Parameters:
+ * devpath - The full path to the timer device. This should be of the
+ * form /dev/timer0
+ * timer - The timer's number.
+ *
+ * Returned Value:
+ * Zero (OK) is returned on success; A negated errno value is returned
+ * to indicate the nature of any failure.
+ *
+ ****************************************************************************/
+
+int nrf52_timer_driver_setup(FAR const char *devpath, int timer)
+{
+ return nrf52_timer_initialize(devpath, timer);
+}