From 8bb576111bcad815013d4dadc5ab0489ea8f9ad4 Mon Sep 17 00:00:00 2001
From: wangfq <wangfq@collectpublish.net>
Date: Wed, 12 Aug 2026 19:31:49 +0800
Subject: [PATCH] =?UTF-8?q?test(vd960DBN):=20SPI=20=E5=88=86=E9=A2=91=2016?=
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降频4倍(9053831)后乱码字节不变+仍复位 → 非频率相关串扰
疑似 MOSI(PA7) 写数据与 NRST/调试线物理共线/短路 (乱码=写数据错位采样)
分频128(~0.5-1MHz): 若仍崩 → 100%物理层问题, 软件无解, 必须硬件修
硬件测量: 断电测 PA5/PA7 与 NRST 导通电阻(应无穷大); 查原理图 SPI 走线
---
 vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/storage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/storage.c b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/storage.c
index 8038b6c..7c47697 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/storage.c
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/storage.c
@@ -114,7 +114,7 @@ void SPI_Flash_Init(void)
     SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
     SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
     SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
-    SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_16;
+    SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_128;
     SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
     SPI_InitStructure.SPI_CRCPolynomial = 7;
     SPI_Init(SPI1, &SPI_InitStructure);