From 9740836e615a24d6053f1a858ce27f62697da13c Mon Sep 17 00:00:00 2001 From: Stephane D'Alu Date: Sat, 6 Feb 2016 20:11:26 +0100 Subject: Added watchdog WDT --- os/hal/ports/NRF51/NRF51822/wdg_lld.h | 127 ++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 os/hal/ports/NRF51/NRF51822/wdg_lld.h (limited to 'os/hal/ports/NRF51/NRF51822/wdg_lld.h') diff --git a/os/hal/ports/NRF51/NRF51822/wdg_lld.h b/os/hal/ports/NRF51/NRF51822/wdg_lld.h new file mode 100644 index 0000000..8a3f97d --- /dev/null +++ b/os/hal/ports/NRF51/NRF51822/wdg_lld.h @@ -0,0 +1,127 @@ +/* + ChibiOS - Copyright (C) 2006 Stephane D'Alu + + Licensed 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. +*/ + +/** + * @file templates/wdg_lld.h + * @brief WDG Driver subsystem low level driver header template. + * + * @addtogroup WDG + * @{ + */ + +#ifndef _WDG_LLD_H_ +#define _WDG_LLD_H_ + +#if (HAL_USE_WDG == TRUE) || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +#define WDG_MAX_TIMEOUT_MS \ + ((uint32_t)(0xFFFFFFFFu * 1000 / NRF51_LFCLK_FREQUENCY)) + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ + +/** + * @brief WDG driver implement timeout callback. + * @note The default is @p FALSE. + */ +#if !defined(WDG_USE_TIMEOUT_CALLBACK) || defined(__DOXYGEN__) +#define WDG_USE_TIMEOUT_CALLBACK FALSE +#endif +/** @} */ + + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief Type of a structure representing an WDG driver. + */ +typedef struct WDGDriver WDGDriver; + +/** + * @brief Driver configuration structure. + * @note It could be empty on some architectures. + */ +typedef struct { + struct { + uint8_t pause_on_sleep : 1; + uint8_t pause_on_halt : 1; + } flags; + uint32_t timeout_ms; +#if WDG_USE_TIMEOUT_CALLBACK == TRUE + void (*callback)(void); +#endif +} WDGConfig; + + + +/** + * @brief Structure representing an WDG driver. + */ +struct WDGDriver { + /** + * @brief Driver state. + */ + wdgstate_t state; + /** + * @brief Current configuration data. + */ + const WDGConfig *config; + /* End of the mandatory fields.*/ + NRF_WDT_Type *wdt; +}; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +extern WDGDriver WDGD1; + +#ifdef __cplusplus +extern "C" { +#endif + void wdg_lld_init(void); + void wdg_lld_start(WDGDriver *wdgp); + void wdg_lld_stop(WDGDriver *wdgp); + void wdg_lld_reset(WDGDriver *wdgp); +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_WDG == TRUE */ + +#endif /* _WDG_LLD_H_ */ + +/** @} */ -- cgit v1.2.3