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esp32/esp32_spiflash.c: during the SPI Flash erasure operation, task

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scheduling (yield) is added to prevent the Watchdog Timer from
triggering a reset due to timeout

Signed-off-by: nuttxs <zhaoqing.zhang@sony.com>
This commit is contained in:
nuttxs 2025-08-21 18:01:03 +08:00 • committed by Xiang Xiao
parent 95f1cf4748
commit 46bbde02b1
1 changed files with 30 additions and 0 deletions
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30
arch/xtensa/src/esp32/esp32_spiflash.c
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@ -40,6 +40,7 @@
#include <nuttx/kthread.h>
#include <nuttx/mutex.h>
#include <nuttx/mtd/mtd.h>
#include <nuttx/signal.h>
#include "sched/sched.h"
@ -225,6 +226,8 @@ inline void IRAM_ATTR
esp32_spiflash_opstart(void);
inline void IRAM_ATTR
esp32_spiflash_opdone(void);
static inline void IRAM_ATTR
esp32_spiflash_oposyield(void);
static bool IRAM_ATTR spiflash_pagecached(uint32_t phypage);
static void IRAM_ATTR spiflash_flushmapped(size_t start, size_t size);
@ -661,6 +664,28 @@ static void IRAM_ATTR spiflash_flushmapped(size_t start, size_t size)
}
}
/****************************************************************************
* Name: esp32_spiflash_oposyield
*
* Description:
* Yield to other tasks, called during erase operations.
*
* Input Parameters:
* None
*
* Returned Value:
* None.
*
****************************************************************************/
static inline void IRAM_ATTR esp32_spiflash_oposyield(void)
{
/* Delay 1 tick */
useconds_t us = TICK2USEC(1);
nxsig_usleep(us);
}
/****************************************************************************
* Name: esp32_set_read_opt
*
@ -967,6 +992,11 @@ static int IRAM_ATTR esp32_erasesector(struct esp32_spiflash_s *priv,
for (offset = 0; offset < size; offset += MTD_ERASESIZE(priv))
{
if (offset > 0)
{
esp32_spiflash_oposyield();
}
esp32_spiflash_opstart();
if (esp32_enable_write(priv) != OK)