From 8fe3a46dc0593dc9723e773d69ca5ed83ddc14bb Mon Sep 17 00:00:00 2001 From: raiden00pl Date: Mon, 20 Jul 2020 11:12:09 +0200 Subject: [PATCH] boards/arm/nrf52/nrf52840-dk: add timer example --- .../nrf52/nrf52840-dk/configs/timer/defconfig | 55 ++++++++++++++++++ boards/arm/nrf52/nrf52840-dk/src/Makefile | 4 ++ .../arm/nrf52/nrf52840-dk/src/nrf52840-dk.h | 13 +++++ .../arm/nrf52/nrf52840-dk/src/nrf52_bringup.c | 18 ++++++ .../arm/nrf52/nrf52840-dk/src/nrf52_timer.c | 58 +++++++++++++++++++ 5 files changed, 148 insertions(+) create mode 100644 boards/arm/nrf52/nrf52840-dk/configs/timer/defconfig create mode 100644 boards/arm/nrf52/nrf52840-dk/src/nrf52_timer.c 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 0000000000..f9566efb59 --- /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 08441a6104..1f31b25151 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 7db93cb41b..49aefd38b4 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 124c8789f3..09bff167f7 100644 --- a/boards/arm/nrf52/nrf52840-dk/src/nrf52_bringup.c +++ b/boards/arm/nrf52/nrf52840-dk/src/nrf52_bringup.c @@ -48,6 +48,12 @@ #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 0000000000..183498e7b7 --- /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 +#include + +#include + +#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); +}