From 716823bfec0ea3946f9ca411f73e5329c66ebc53 Mon Sep 17 00:00:00 2001
From: HubretXie <xiexianbinwin@outlook.com>
Date: Mon, 17 Dec 2018 18:09:02 +0800
Subject: [PATCH] =?UTF-8?q?=E5=87=8F=E5=B0=91sfud=E5=AF=B9=E4=BB=BB?=
 =?UTF-8?q?=E5=8A=A1=E6=A0=88=E7=9A=84=E5=8D=A0=E7=94=A8?=
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用全局空间换栈空间，当多个任务需要使用sfud时，可以节省内存
例如多个任务需要使用文件系统，任务栈可以减少
---
 components/drivers/spi/sfud/src/sfud.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/drivers/spi/sfud/src/sfud.c b/components/drivers/spi/sfud/src/sfud.c
index 6cfd1191ef..30e0d949f1 100644
--- a/components/drivers/spi/sfud/src/sfud.c
+++ b/components/drivers/spi/sfud/src/sfud.c
@@ -603,7 +603,8 @@ static sfud_err page256_or_1_byte_write(const sfud_flash *flash, uint32_t addr,
         const uint8_t *data) {
     sfud_err result = SFUD_SUCCESS;
     const sfud_spi *spi = &flash->spi;
-    uint8_t cmd_data[5 + SFUD_WRITE_MAX_PAGE_SIZE], cmd_size;
+    static uint8_t cmd_data[5 + SFUD_WRITE_MAX_PAGE_SIZE];
+    uint8_t cmd_size;
     size_t data_size;
 
     SFUD_ASSERT(flash);