From 22224416a3c17710fe56cb037dc9664beabdd054 Mon Sep 17 00:00:00 2001
From: wangfq <wangfq@collectpublish.net>
Date: Wed, 12 Aug 2026 19:21:57 +0800
Subject: [PATCH] =?UTF-8?q?test(vd960DBN):=20Flash/SPI=20=E5=85=A8?=
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UART2 隔离后(06fb009)依旧 80ms 复位循环+乱码 → 排除 Loop 数据路径
Hex 日志: 乱码紧跟 snap ok 后的 offlog_boot SPI 写, 复位标志全 0
= NRST 毛刺复位特征, 疑似 SPI 总线(PA4-7)串扰 NRST/调试线 或 电源瞬态
本版: #if 1 跳过 storage/offlog/snap/offlog_boot/load_cfg 全部 SPI 调用
判定: 稳定 → SPI 触发实锤, 硬件查电源/NRST/布线
      仍复位 → 与 SPI 无关, 纯硬件(电源/晶振/其他)
---
 .../BLE/OnlyUpdateApp_Peripheral/APP/peripheral_main.c    | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/peripheral_main.c b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/peripheral_main.c
index 1d8858c..32abfc2 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/peripheral_main.c
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/peripheral_main.c
@@ -306,6 +306,13 @@ int main(void)
     PRINT("RST_REASON: 0x%08lx\n", (unsigned long)OFFLOG_RCC_RSTSCKR);
     PRINT("%s\n", VER_LIB);
     PRINT("SystemCoreClock:%d\n", SystemCoreClock);
+    /* ===== 实验: 禁用全部 Flash/SPI 操作 (2026-08-12) =====
+       目的: 验证 SPI 操作是否触发复位循环 (UART2 隔离后依旧复位+乱码,
+             乱码紧跟 offlog_boot 的 SPI 写, 疑似 SPI 信号串扰 NRST/调试线)
+       #if 1 = 跳过全部 SPI; 通过后改 0 或删除本块恢复 */
+#if 1
+    PRINT("ISOLATE: flash/SPI disabled (flash isolation test)\n");
+#else
     GetMacAddr(gMacAddr);
     storage_init();
     PRINT("INIT: storage ok\n");
@@ -324,6 +331,7 @@ int main(void)
 
     load_cfg_from_flash();
     output_cfg_from_flash();
+#endif
 
     PRINT("MAC: %02X %02X %02X %02X %02X %02X\r\n", gMacAddr[0],gMacAddr[1], gMacAddr[2], gMacAddr[3],gMacAddr[4],gMacAddr[5]);
     PRINT("net version:%x\n", WCHNET_GetVer());