diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_wwdg.c')
-rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_wwdg.c | 807 |
1 files changed, 0 insertions, 807 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_wwdg.c b/nuttx/arch/arm/src/stm32/stm32_wwdg.c deleted file mode 100644 index 4506fa4e0..000000000 --- a/nuttx/arch/arm/src/stm32/stm32_wwdg.c +++ /dev/null @@ -1,807 +0,0 @@ -/**************************************************************************** - * arch/arm/src/stm32/stm32_wwdg.c - * - * Copyright (C) 2012 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> -#include <nuttx/arch.h> - -#include <stdint.h> -#include <errno.h> -#include <debug.h> - -#include <nuttx/watchdog.h> -#include <arch/board/board.h> - -#include "up_arch.h" -#include "chip/stm32_dbgmcu.h" -#include "stm32_wdg.h" - -#if defined(CONFIG_WATCHDOG) && defined(CONFIG_STM32_WWDG) - -/**************************************************************************** - * Pre-Processor Definitions - ****************************************************************************/ -/* Clocking *****************************************************************/ -/* The minimum frequency of the WWDG clock is: - * - * Fmin = PCLK1 / 4096 / 8 - * - * So the maximum delay (in milliseconds) is then: - * - * 1000 * (WWDG_CR_T_MAX+1) / Fmin - * - * For example, if PCLK1 = 42MHz, then the maximum delay is: - * - * Fmin = 1281.74 - * 1000 * 64 / Fmin = 49.93 msec - */ - -#define WWDG_FMIN (STM32_PCLK1_FREQUENCY / 4096 / 8) -#define WWDG_MAXTIMEOUT (1000 * (WWDG_CR_T_MAX+1) / WWDG_FMIN) - -/* Configuration ************************************************************/ - -#ifndef CONFIG_STM32_WWDG_DEFTIMOUT -# define CONFIG_STM32_WWDG_DEFTIMOUT WWDG_MAXTIMEOUT -#endif - -/* Debug ********************************************************************/ -/* Non-standard debug that may be enabled just for testing the watchdog - * driver. NOTE: that only lldbg types are used so that the output is - * immediately available. - */ - -#ifdef CONFIG_DEBUG_WATCHDOG -# define wddbg lldbg -# define wdvdbg llvdbg -#else -# define wddbg(x...) -# define wdvdbg(x...) -#endif - -/**************************************************************************** - * Private Types - ****************************************************************************/ -/* This structure provides the private representation of the "lower-half" - * driver state structure. This structure must be cast-compatible with the - * well-known watchdog_lowerhalf_s structure. - */ - -struct stm32_lowerhalf_s -{ - FAR const struct watchdog_ops_s *ops; /* Lower half operations */ - xcpt_t handler; /* Current EWI interrupt handler */ - uint32_t timeout; /* The actual timeout value */ - uint32_t fwwdg; /* WWDG clock frequency */ - bool started; /* The timer has been started */ - uint8_t reload; /* The 7-bit reload field reset value */ - uint8_t window; /* The 7-bit window (W) field value */ -}; - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ -/* Register operations ******************************************************/ - -#if defined(CONFIG_STM32_WWDG_REGDEBUG) && defined(CONFIG_DEBUG) -static uint16_t stm32_getreg(uint32_t addr); -static void stm32_putreg(uint16_t val, uint32_t addr); -#else -# define stm32_getreg(addr) getreg32(addr) -# define stm32_putreg(val,addr) putreg32(val,addr) -#endif -static void stm32_setwindow(FAR struct stm32_lowerhalf_s *priv, - uint8_t window); - -/* Interrupt hanlding *******************************************************/ - -static int stm32_interrupt(int irq, FAR void *context); - -/* "Lower half" driver methods **********************************************/ - -static int stm32_start(FAR struct watchdog_lowerhalf_s *lower); -static int stm32_stop(FAR struct watchdog_lowerhalf_s *lower); -static int stm32_keepalive(FAR struct watchdog_lowerhalf_s *lower); -static int stm32_getstatus(FAR struct watchdog_lowerhalf_s *lower, - FAR struct watchdog_status_s *status); -static int stm32_settimeout(FAR struct watchdog_lowerhalf_s *lower, - uint32_t timeout); -static xcpt_t stm32_capture(FAR struct watchdog_lowerhalf_s *lower, - xcpt_t handler); -static int stm32_ioctl(FAR struct watchdog_lowerhalf_s *lower, int cmd, - unsigned long arg); - -/**************************************************************************** - * Private Data - ****************************************************************************/ -/* "Lower half" driver methods */ - -static const struct watchdog_ops_s g_wdgops = -{ - .start = stm32_start, - .stop = stm32_stop, - .keepalive = stm32_keepalive, - .getstatus = stm32_getstatus, - .settimeout = stm32_settimeout, - .capture = stm32_capture, - .ioctl = stm32_ioctl, -}; - -/* "Lower half" driver state */ - -static struct stm32_lowerhalf_s g_wdgdev; - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: stm32_getreg - * - * Description: - * Get the contents of an STM32 register - * - ****************************************************************************/ - -#if defined(CONFIG_STM32_WWDG_REGDEBUG) && defined(CONFIG_DEBUG) -static uint16_t stm32_getreg(uint32_t addr) -{ - static uint32_t prevaddr = 0; - static uint32_t count = 0; - static uint16_t preval = 0; - - /* Read the value from the register */ - - uint16_t val = getreg16(addr); - - /* Is this the same value that we read from the same registe last time? Are - * we polling the register? If so, suppress some of the output. - */ - - if (addr == prevaddr && val == preval) - { - if (count == 0xffffffff || ++count > 3) - { - if (count == 4) - { - lldbg("...\n"); - } - return val; - } - } - - /* No this is a new address or value */ - - else - { - /* Did we print "..." for the previous value? */ - - if (count > 3) - { - /* Yes.. then show how many times the value repeated */ - - lldbg("[repeats %d more times]\n", count-3); - } - - /* Save the new address, value, and count */ - - prevaddr = addr; - preval = val; - count = 1; - } - - /* Show the register value read */ - - lldbg("%08x->%04x\n", addr, val); - return val; -} -#endif - -/**************************************************************************** - * Name: stm32_putreg - * - * Description: - * Set the contents of an STM32 register to a value - * - ****************************************************************************/ - -#if defined(CONFIG_STM32_WWDG_REGDEBUG) && defined(CONFIG_DEBUG) -static void stm32_putreg(uint16_t val, uint32_t addr) -{ - /* Show the register value being written */ - - lldbg("%08x<-%04x\n", addr, val); - - /* Write the value */ - - putreg16(val, addr); -} -#endif - -/**************************************************************************** - * Name: stm32_setwindow - * - * Description: - * Set the CFR window value. The window value is compared to the down- - * counter when the counter is updated. The WWDG counter should be updated - * only when the counter is below this window value (and greater than 64) - * otherwise a reset will be generated - * - ****************************************************************************/ - -static void stm32_setwindow(FAR struct stm32_lowerhalf_s *priv, uint8_t window) -{ - uint16_t regval; - - /* Set W[6:0] bits according to selected window value */ - - regval = stm32_getreg(STM32_WWDG_CFR); - regval &= ~WWDG_CFR_W_MASK; - regval |= window << WWDG_CFR_W_SHIFT; - stm32_putreg(regval, STM32_WWDG_CFR); - - /* Remember the window setting */ - - priv->window = window; -} - -/**************************************************************************** - * Name: stm32_interrupt - * - * Description: - * WWDG early warning interrupt - * - * Input Parameters: - * Usual interrupt handler arguments. - * - * Returned Values: - * Always returns OK. - * - ****************************************************************************/ - -static int stm32_interrupt(int irq, FAR void *context) -{ - FAR struct stm32_lowerhalf_s *priv = &g_wdgdev; - uint16_t regval; - - /* Check if the EWI interrupt is really pending */ - - regval = stm32_getreg(STM32_WWDG_SR); - if ((regval & WWDG_SR_EWIF) != 0) - { - /* Is there a registered handler? */ - - if (priv->handler) - { - /* Yes... NOTE: This interrupt service routine (ISR) must reload - * the WWDG counter to prevent the reset. Otherwise, we will reset - * upon return. - */ - - priv->handler(irq, context); - } - - /* The EWI interrupt is cleared by writing '0' to the EWIF bit in the - * WWDG_SR register. - */ - - regval &= ~WWDG_SR_EWIF; - stm32_putreg(regval, STM32_WWDG_SR); - } - - return OK; -} - -/**************************************************************************** - * Name: stm32_start - * - * Description: - * Start the watchdog timer, resetting the time to the current timeout, - * - * Input Parameters: - * lower - A pointer the publicly visible representation of the "lower-half" - * driver state structure. - * - * Returned Values: - * Zero on success; a negated errno value on failure. - * - ****************************************************************************/ - -static int stm32_start(FAR struct watchdog_lowerhalf_s *lower) -{ - FAR struct stm32_lowerhalf_s *priv = (FAR struct stm32_lowerhalf_s *)lower; - - wdvdbg("Entry\n"); - DEBUGASSERT(priv); - - /* The watchdog is always disabled after a reset. It is enabled by setting - * the WDGA bit in the WWDG_CR register, then it cannot be disabled again - * except by a reset. - */ - - stm32_putreg(WWDG_CR_WDGA | WWDG_CR_T_RESET | priv->reload, STM32_WWDG_CR); - priv->started = true; - return OK; -} - -/**************************************************************************** - * Name: stm32_stop - * - * Description: - * Stop the watchdog timer - * - * Input Parameters: - * lower - A pointer the publicly visible representation of the "lower-half" - * driver state structure. - * - * Returned Values: - * Zero on success; a negated errno value on failure. - * - ****************************************************************************/ - -static int stm32_stop(FAR struct watchdog_lowerhalf_s *lower) -{ - /* The watchdog is always disabled after a reset. It is enabled by setting - * the WDGA bit in the WWDG_CR register, then it cannot be disabled again - * except by a reset. - */ - - wdvdbg("Entry\n"); - return -ENOSYS; -} - -/**************************************************************************** - * Name: stm32_keepalive - * - * Description: - * Reset the watchdog timer to the current timeout value, prevent any - * imminent watchdog timeouts. This is sometimes referred as "pinging" - * the atchdog timer or "petting the dog". - * - * The application program must write in the WWDG_CR register at regular - * intervals during normal operation to prevent an MCU reset. This operation - * must occur only when the counter value is lower than the window register - * value. The value to be stored in the WWDG_CR register must be between - * 0xff and 0xC0: - * - * Input Parameters: - * lower - A pointer the publicly visible representation of the "lower-half" - * driver state structure. - * - * Returned Values: - * Zero on success; a negated errno value on failure. - * - ****************************************************************************/ - -static int stm32_keepalive(FAR struct watchdog_lowerhalf_s *lower) -{ - FAR struct stm32_lowerhalf_s *priv = (FAR struct stm32_lowerhalf_s *)lower; - - wdvdbg("Entry\n"); - DEBUGASSERT(priv); - - /* Write to T[6:0] bits to configure the counter value, no need to do - * a read-modify-write; writing a 0 to WDGA bit does nothing. - */ - - stm32_putreg((WWDG_CR_T_RESET | priv->reload), STM32_WWDG_CR); - return OK; -} - -/**************************************************************************** - * Name: stm32_getstatus - * - * Description: - * Get the current watchdog timer status - * - * Input Parameters: - * lower - A pointer the publicly visible representation of the "lower-half" - * driver state structure. - * stawtus - The location to return the watchdog status information. - * - * Returned Values: - * Zero on success; a negated errno value on failure. - * - ****************************************************************************/ - -static int stm32_getstatus(FAR struct watchdog_lowerhalf_s *lower, - FAR struct watchdog_status_s *status) -{ - FAR struct stm32_lowerhalf_s *priv = (FAR struct stm32_lowerhalf_s *)lower; - uint32_t elapsed; - uint16_t reload; - - wdvdbg("Entry\n"); - DEBUGASSERT(priv); - - /* Return the status bit */ - - status->flags = WDFLAGS_RESET; - if (priv->started) - { - status->flags |= WDFLAGS_ACTIVE; - } - - if (priv->handler) - { - status->flags |= WDFLAGS_CAPTURE; - } - - /* Return the actual timeout is milliseconds */ - - status->timeout = priv->timeout; - - /* Get the time remaining until the watchdog expires (in milliseconds) */ - - reload = (stm32_getreg(STM32_WWDG_CR) >> WWDG_CR_T_SHIFT) & 0x7f; - elapsed = priv->reload - reload; - status->timeleft = (priv->timeout * elapsed) / (priv->reload + 1); - - wdvdbg("Status :\n"); - wdvdbg(" flags : %08x\n", status->flags); - wdvdbg(" timeout : %d\n", status->timeout); - wdvdbg(" timeleft : %d\n", status->flags); - return OK; -} - -/**************************************************************************** - * Name: stm32_settimeout - * - * Description: - * Set a new timeout value (and reset the watchdog timer) - * - * Input Parameters: - * lower - A pointer the publicly visible representation of the "lower-half" - * driver state structure. - * timeout - The new timeout value in millisecnds. - * - * Returned Values: - * Zero on success; a negated errno value on failure. - * - ****************************************************************************/ - -static int stm32_settimeout(FAR struct watchdog_lowerhalf_s *lower, - uint32_t timeout) -{ - FAR struct stm32_lowerhalf_s *priv = (FAR struct stm32_lowerhalf_s *)lower; - uint32_t fwwdg; - uint32_t reload; - uint16_t regval; - int wdgtb; - - DEBUGASSERT(priv); - wdvdbg("Entry: timeout=%d\n", timeout); - - /* Can this timeout be represented? */ - - if (timeout < 1 || timeout > WWDG_MAXTIMEOUT) - { - wddbg("Cannot represent timeout=%d > %d\n", - timeout, WWDG_MAXTIMEOUT); - return -ERANGE; - } - - /* Determine prescaler value. - * - * Fwwdg = PCLK1/4096/prescaler. - * - * Where - * Fwwwdg is the frequency of the WWDG clock - * wdgtb is one of {1, 2, 4, or 8} - */ - - /* Select the smallest prescaler that will result in a reload field value that is - * less than the maximum. - */ - - for (wdgtb = 0; ; wdgtb++) - { - /* WDGTB = 0 -> Divider = 1 = 1 << 0 - * WDGTB = 1 -> Divider = 2 = 1 << 1 - * WDGTB = 2 -> Divider = 4 = 1 << 2 - * WDGTB = 3 -> Divider = 8 = 1 << 3 - */ - - /* Get the WWDG counter frequency in Hz. */ - - fwwdg = (STM32_PCLK1_FREQUENCY/4096) >> wdgtb; - - /* The formula to calculate the timeout value is given by: - * - * timeout = 1000 * (reload + 1) / Fwwdg, OR - * reload = timeout * Fwwdg / 1000 - 1 - * - * Where - * timeout is the desired timout in milliseconds - * reload is the contents of T{5:0] - * Fwwdg is the frequency of the WWDG clock - */ - - reload = timeout * fwwdg / 1000 - 1; - - /* If this reload valid is less than the maximum or we are not ready - * at the prescaler value, then break out of the loop to use these - * settings. - */ - -#if 0 - wdvdbg("wdgtb=%d fwwdg=%d reload=%d timout=%d\n", - wdgtb, fwwdg, reload, 1000 * (reload + 1) / fwwdg); -#endif - if (reload <= WWDG_CR_T_MAX || wdgtb == 3) - { - /* Note that we explicity break out of the loop rather than using - * the 'for' loop termination logic because we do not want the - * value of wdgtb to be incremented. - */ - - break; - } - } - - /* Make sure that the final reload value is within range */ - - if (reload > WWDG_CR_T_MAX) - { - reload = WWDG_CR_T_MAX; - } - - /* Calculate and save the actual timeout value in milliseconds: - * - * timeout = 1000 * (reload + 1) / Fwwdg - */ - - priv->timeout = 1000 * (reload + 1) / fwwdg; - - /* Remember the selected values */ - - priv->fwwdg = fwwdg; - priv->reload = reload; - - wdvdbg("wdgtb=%d fwwdg=%d reload=%d timout=%d\n", - wdgtb, fwwdg, reload, priv->timeout); - - /* Set WDGTB[1:0] bits according to calculated value */ - - regval = stm32_getreg(STM32_WWDG_CFR); - regval &= ~WWDG_CFR_WDGTB_MASK; - regval |= (uint16_t)wdgtb << WWDG_CFR_WDGTB_SHIFT; - stm32_putreg(regval, STM32_WWDG_CFR); - - /* Reset the 7-bit window value to the maximum value.. essentially disabling - * the lower limit of the watchdog reset time. - */ - - stm32_setwindow(priv, 0x7f); - return OK; -} - -/**************************************************************************** - * Name: stm32_capture - * - * Description: - * Don't reset on watchdog timer timeout; instead, call this user provider - * timeout handler. NOTE: Providing handler==NULL will restore the reset - * behavior. - * - * Input Parameters: - * lower - A pointer the publicly visible representation of the "lower-half" - * driver state structure. - * newhandler - The new watchdog expiration function pointer. If this - * function pointer is NULL, then the the reset-on-expiration - * behavior is restored, - * - * Returned Values: - * The previous watchdog expiration function pointer or NULL is there was - * no previous function pointer, i.e., if the previous behavior was - * reset-on-expiration (NULL is also returned if an error occurs). - * - ****************************************************************************/ - -static xcpt_t stm32_capture(FAR struct watchdog_lowerhalf_s *lower, - xcpt_t handler) -{ - FAR struct stm32_lowerhalf_s *priv = (FAR struct stm32_lowerhalf_s *)lower; - irqstate_t flags; - xcpt_t oldhandler; - uint16_t regval; - - DEBUGASSERT(priv); - wdvdbg("Entry: handler=%p\n", handler); - - /* Get the old handler return value */ - - flags = irqsave(); - oldhandler = priv->handler; - - /* Save the new handler */ - - priv->handler = handler; - - /* Are we attaching or detaching the handler? */ - - regval = stm32_getreg(STM32_WWDG_CFR); - if (handler) - { - /* Attaching... Enable the EWI interrupt */ - - regval |= WWDG_CFR_EWI; - stm32_putreg(regval, STM32_WWDG_CFR); - - up_enable_irq(STM32_IRQ_WWDG); - } - else - { - /* Detaching... Disable the EWI interrupt */ - - regval &= ~WWDG_CFR_EWI; - stm32_putreg(regval, STM32_WWDG_CFR); - - up_disable_irq(STM32_IRQ_WWDG); - } - - irqrestore(flags); - return oldhandler; -} - -/**************************************************************************** - * Name: stm32_ioctl - * - * Description: - * Any ioctl commands that are not recognized by the "upper-half" driver - * are forwarded to the lower half driver through this method. - * - * Input Parameters: - * lower - A pointer the publicly visible representation of the "lower-half" - * driver state structure. - * cmd - The ioctol command value - * arg - The optional argument that accompanies the 'cmd'. The - * interpretation of this argument depends on the particular - * command. - * - * Returned Values: - * Zero on success; a negated errno value on failure. - * - ****************************************************************************/ - -static int stm32_ioctl(FAR struct watchdog_lowerhalf_s *lower, int cmd, - unsigned long arg) -{ - FAR struct stm32_lowerhalf_s *priv = (FAR struct stm32_lowerhalf_s *)lower; - int ret = -ENOTTY; - - DEBUGASSERT(priv); - wdvdbg("Entry: cmd=%d arg=%ld\n", cmd, arg); - - /* WDIOC_MINTIME: Set the minimum ping time. If two keepalive ioctls - * are received within this time, a reset event will be generated. - * Argument: A 32-bit time value in milliseconds. - */ - - if (cmd == WDIOC_MINTIME) - { - uint32_t mintime = (uint32_t)arg; - - /* The minimum time should be strictly less than the total delay - * which, in turn, will be less than or equal to WWDG_CR_T_MAX - */ - - ret = -EINVAL; - if (mintime < priv->timeout) - { - uint32_t window = (priv->timeout - mintime) * priv->fwwdg / 1000 - 1; - DEBUGASSERT(window < priv->reload); - stm32_setwindow(priv, window | WWDG_CR_T_RESET); - ret = OK; - } - } - - return ret; -} - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: stm32_wwdginitialize - * - * Description: - * Initialize the WWDG watchdog time. The watchdog timer is intialized and - * registers as 'devpath. The initial state of the watchdog time is - * disabled. - * - * Input Parameters: - * devpath - The full path to the watchdog. This should be of the form - * /dev/watchdog0 - * - * Returned Values: - * None - * - ****************************************************************************/ - -void stm32_wwdginitialize(FAR const char *devpath) -{ - FAR struct stm32_lowerhalf_s *priv = &g_wdgdev; - - wdvdbg("Entry: devpath=%s\n", devpath); - - /* NOTE we assume that clocking to the IWDG has already been provided by - * the RCC initialization logic. - */ - - /* Initialize the driver state structure. Here we assume: (1) the state - * structure lies in .bss and was zeroed at reset time. (2) This function - * is only called once so it is never necessary to re-zero the structure. - */ - - priv->ops = &g_wdgops; - - /* Attach our EWI interrupt handler (But don't enable it yet) */ - - (void)irq_attach(STM32_IRQ_WWDG, stm32_interrupt); - - /* Select an arbitrary initial timeout value. But don't start the watchdog - * yet. NOTE: If the "Hardware watchdog" feature is enabled through the - * device option bits, the watchdog is automatically enabled at power-on. - */ - - stm32_settimeout((FAR struct watchdog_lowerhalf_s *)priv, - CONFIG_STM32_WWDG_DEFTIMOUT); - - /* Register the watchdog driver as /dev/watchdog0 */ - - (void)watchdog_register(devpath, (FAR struct watchdog_lowerhalf_s *)priv); - - /* When the microcontroller enters debug mode (Cortex™-M4F core halted), - * the WWDG counter either continues to work normally or stops, depending - * on DBG_WWDG_STOP configuration bit in DBG module. - */ - -#if defined(CONFIG_STM32_JTAG_FULL_ENABLE) || \ - defined(CONFIG_STM32_JTAG_NOJNTRST_ENABLE) || \ - defined(CONFIG_STM32_JTAG_SW_ENABLE) - { - uint32_t cr = getreg32(STM32_DBGMCU_CR); - cr |= DBGMCU_CR_WWDGSTOP; - putreg32(cr, STM32_DBGMCU_CR); - } -#endif -} - -#endif /* CONFIG_WATCHDOG && CONFIG_STM32_WWDG */ |