From 7b0bf78309491593f142809c94b433f40c2c49b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E7=90=AA?= <wqzcd57@gmail.com>
Date: Tue, 28 Jul 2026 17:51:50 +0800
Subject: [PATCH] =?UTF-8?q?Revert=20"=E4=BF=AE=E5=A4=8DAPP=E5=88=87?=
 =?UTF-8?q?=E6=8D=A2=E8=AE=B0=E5=BF=86=E7=AD=96=E7=95=A5=E6=97=B6=E9=97=AA?=
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This reverts commit 550d0987eaf4c6557907018f189f8407ed138284.
---
 .../example/ble/ble_peripheral/app/src/PWM.h  |  2 --
 .../ble/ble_peripheral/app/src/bridge_pwm.c   | 22 -------------------
 .../app/src/ota_flash_interface.c             | 17 +-------------
 3 files changed, 1 insertion(+), 40 deletions(-)

diff --git a/project/example/ble/ble_peripheral/app/src/PWM.h b/project/example/ble/ble_peripheral/app/src/PWM.h
index 6db13bd..272ba68 100644
--- a/project/example/ble/ble_peripheral/app/src/PWM.h
+++ b/project/example/ble/ble_peripheral/app/src/PWM.h
@@ -147,8 +147,6 @@ void Bridge_Init(void);
 void Bridge_Off(void);
 void Bridge_Service_1ms(void);
 void Bridge_Deadtime_Expired(void);
-uint8_t Bridge_PauseForFlash(void);
-void Bridge_ResumeAfterFlash(uint8_t paused);
 #ifdef __cplusplus
 }
 #endif
diff --git a/project/example/ble/ble_peripheral/app/src/bridge_pwm.c b/project/example/ble/ble_peripheral/app/src/bridge_pwm.c
index 0b3a82c..2faf280 100644
--- a/project/example/ble/ble_peripheral/app/src/bridge_pwm.c
+++ b/project/example/ble/ble_peripheral/app/src/bridge_pwm.c
@@ -246,28 +246,6 @@ void Bridge_Off(void)
     output_mode = BRIDGE_MODE_OFF;
 }
 
-uint8_t Bridge_PauseForFlash(void)
-{
-    /*
-     * Single-color output is hardware PWM and remains stable while flash
-     * masks interrupts. Dual-color output is Timer3-driven, so force both
-     * bridge inputs low before flash can stretch an active direction pulse.
-     */
-    if (!bridge_ready || output_mode != BRIDGE_MODE_DUAL) {
-        return 0U;
-    }
-
-    Bridge_Off();
-    return 1U;
-}
-
-void Bridge_ResumeAfterFlash(uint8_t paused)
-{
-    if (paused) {
-        Bridge_Service_1ms();
-    }
-}
-
 __RAM_CODE void Bridge_Deadtime_Expired(void)
 {
     uint32_t w_step;
diff --git a/project/example/ble/ble_peripheral/app/src/ota_flash_interface.c b/project/example/ble/ble_peripheral/app/src/ota_flash_interface.c
index 2a7f87c..84eeeff 100644
--- a/project/example/ble/ble_peripheral/app/src/ota_flash_interface.c
+++ b/project/example/ble/ble_peripheral/app/src/ota_flash_interface.c
@@ -1,11 +1,9 @@
 #include "ota_flash_interface.h"
-#include "xc_drv_fmc_spi.h"
 #include "arch.h"
 #include "dbg.h"
 // extern uint8_t ble_flash_operation_can_check(void);
 #include "ota_protocol.h"
 #include "fmc_spi.h"
-#include "pwm.h"
 op_flash_t op_flash = {
     OP_IDEL,
 };
@@ -99,23 +97,10 @@ uint8_t app_data[FLASH_PAGE_SIZE] = {0};
 //uint16_t app_op_flash_start = 10000;
 void app_op_flash(void)
 {
-		uint8_t bridge_paused;
 
 		if(op_flash.op_state == OP_IDEL&&app_op_flash_flag ==0)
 			{
-				/*
-				 * Commit user data as one transaction. Timer3 cannot advance
-				 * dual-color PWM while flash masks interrupts, so hold the
-				 * H-bridge at 00 and resume from a fresh complete frame.
-				 * Hardware PWM single-color output does not need pausing.
-				 */
-				GLOBAL_INT_DISABLE();
-				bridge_paused = Bridge_PauseForFlash();
-				FMC_SPI_Flash_Erase_Page(0x1E000);
-				FMC_SPI_Flash_WritePage(0x1E000, app_data, FLASH_PAGE_SIZE);
-				GLOBAL_INT_RESTORE();
-				app_op_flash_flag = 2;
-				Bridge_ResumeAfterFlash(bridge_paused);
+				ble_flash_later_page_erase(0x1E000);
 		  }
 			else if(op_flash.op_state == OP_IDEL &&app_op_flash_flag ==1)
 			{