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| author | Stephane D'Alu <sdalu@sdalu.com> | 2016-07-10 13:31:49 +0200 |
|---|---|---|
| committer | Stephane D'Alu <sdalu@sdalu.com> | 2016-07-10 13:31:49 +0200 |
| commit | e5da7dbd39e5686ae7ecc908c55b827d2616bd5a (patch) | |
| tree | 2a0bd454113beb9d25ce16091098b77f1e061fa8 /os | |
| parent | 7150786277099793a90295e9ce16244e65e603dc (diff) | |
| download | ChibiOS-Contrib-e5da7dbd39e5686ae7ecc908c55b827d2616bd5a.tar.gz ChibiOS-Contrib-e5da7dbd39e5686ae7ecc908c55b827d2616bd5a.tar.bz2 ChibiOS-Contrib-e5da7dbd39e5686ae7ecc908c55b827d2616bd5a.zip | |
use anonymous struct, fixed used og wrong vector interrupt
Diffstat (limited to 'os')
| -rw-r--r-- | os/hal/ports/NRF5/LLD/hal_wdg_lld.c | 153 | ||||
| -rw-r--r-- | os/hal/ports/NRF5/LLD/hal_wdg_lld.h | 143 |
2 files changed, 296 insertions, 0 deletions
diff --git a/os/hal/ports/NRF5/LLD/hal_wdg_lld.c b/os/hal/ports/NRF5/LLD/hal_wdg_lld.c new file mode 100644 index 0000000..30d31af --- /dev/null +++ b/os/hal/ports/NRF5/LLD/hal_wdg_lld.c @@ -0,0 +1,153 @@ +/*
+ ChibiOS - Copyright (C) 2016 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 NRF5/LLD/hal_wdg_lld.c
+ * @brief NRF5 Watchdog Driver subsystem low level driver source template.
+ *
+ * @addtogroup WDG
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_WDG || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+#define RELOAD_REQUEST_VALUE 0x6E524635
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+WDGDriver WDGD1;
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+#if WDG_USE_TIMEOUT_CALLBACK == TRUE
+/**
+ * @brief Watchdog vector.
+ * @details This interrupt is used when watchdog timeout.
+ *
+ * @note Only 2 cycles at NRF5_LFCLK_FREQUENCY are available
+ * to they good bye.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector80) {
+
+ OSAL_IRQ_PROLOGUE();
+ osalSysLockFromISR();
+
+ /* Notify */
+ if (WDGD1.config->callback)
+ WDGD1.config->callback();
+
+ /* Wait for reboot */
+ while (1) { /* */ }
+
+ osalSysUnlockFromISR();
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level WDG driver initialization.
+ *
+ * @notapi
+ */
+void wdg_lld_init(void) {
+ WDGD1.state = WDG_STOP;
+ WDGD1.wdt = NRF_WDT;
+}
+
+/**
+ * @brief Configures and activates the WDG peripheral.
+ *
+ * @note Once started there is no way out.
+ *
+ * @param[in] wdgp pointer to the @p WDGDriver object
+ *
+ * @notapi
+ */
+void wdg_lld_start(WDGDriver *wdgp) {
+#if WDG_USE_TIMEOUT_CALLBACK == TRUE
+ wdgp->wdt->INTENSET = WDT_INTENSET_TIMEOUT_Msk;
+#endif
+
+ /* When to pause? (halt, sleep) */
+ uint32_t config = 0;
+ if (!wdgp->config->pause_on_sleep)
+ config |= WDT_CONFIG_SLEEP_Msk;
+ if (!wdgp->config->pause_on_halt)
+ config |= WDT_CONFIG_HALT_Msk;
+ wdgp->wdt->CONFIG = config;
+
+ /* Timeout in milli-seconds */
+ uint64_t tout = (NRF5_LFCLK_FREQUENCY * wdgp->config->timeout_ms / 1000) - 1;
+ osalDbgAssert(tout <= 0xFFFFFFFF, "watchdog timout value exceeded");
+ wdgp->wdt->CRV = (uint32_t)tout;
+
+ /* Reload request (using RR0) */
+ wdgp->wdt->RREN = WDT_RREN_RR0_Msk;
+
+ /* Say your prayers, little one. */
+ wdgp->wdt->TASKS_START = 1;
+}
+
+/**
+ * @brief Deactivates the WDG peripheral.
+ *
+ * @param[in] wdgp pointer to the @p WDGDriver object
+ *
+ * @api
+ */
+void wdg_lld_stop(WDGDriver *wdgp) {
+ (void)wdgp;
+ osalDbgAssert(false, "WDG cannot be stopped once activated");
+}
+
+/**
+ * @brief Reloads WDG's counter.
+ *
+ * @param[in] wdgp pointer to the @p WDGDriver object
+ *
+ * @notapi
+ */
+void wdg_lld_reset(WDGDriver * wdgp) {
+ wdgp->wdt->RR[0] = RELOAD_REQUEST_VALUE;
+}
+
+#endif /* HAL_USE_WDG */
+
+/** @} */
diff --git a/os/hal/ports/NRF5/LLD/hal_wdg_lld.h b/os/hal/ports/NRF5/LLD/hal_wdg_lld.h new file mode 100644 index 0000000..109b67e --- /dev/null +++ b/os/hal/ports/NRF5/LLD/hal_wdg_lld.h @@ -0,0 +1,143 @@ +/*
+ ChibiOS - Copyright (C) 2016 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 NRF5/LLD/hal_wdg_lld.h
+ * @brief NRF5 Watchdog Driver subsystem low level driver header template.
+ *
+ * @addtogroup WDG
+ * @{
+ */
+
+#ifndef HAL_WDG_LLD_H
+#define HAL_WDG_LLD_H
+
+#if (HAL_USE_WDG == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+#define WDG_MAX_TIMEOUT_MS \
+ ((uint32_t)(0xFFFFFFFFu * 1000 / NRF5_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 {
+ /**
+ * @brief Pause watchdog while the CPU is sleeping
+ */
+ uint8_t pause_on_sleep : 1;
+ /**
+ * @brief Pause watchdog while the CPU is halted by the debugger
+ */
+ uint8_t pause_on_halt : 1;
+ };
+ /**
+ *
+ */
+ uint32_t timeout_ms;
+#if WDG_USE_TIMEOUT_CALLBACK == TRUE
+ /**
+ * @brief Notification callback when watchdog timedout
+ *
+ * @note About 2 cycles at NRF5_LFCLK_FREQUENCY are available
+ * before automatic reboot.
+ *
+ */
+ 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 /* HAL_WDG_LLD_H */
+
+/** @} */
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