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K1Guitar
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fix(play): stop accompaniment fully on mode and song switch 

Use Stop_AutoBand (engine stop + all-channel AllNotesOff) when changing nav mode, reloading tone presets, switching songs/progressions, or returning to mode select. Also fix AllNotesOff to address all 16 MIDI channels.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
yuquanjun 2026-09-17 16:05:13 +08:00
parent bf1a539e44
commit 6c8a3a3d3b
4 changed files with 11 additions and 7 deletions
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4
Global/Global.c
View File

@ -746,9 +746,9 @@ void Stop_AutoBand()
AutoBandTop1_Stop();
for(uint8_t i = 0;i < 16;i++)
{
uint8_t AllNoteOff_buff[3] = {0xB0,0x7B,0x00};
uint8_t AllNoteOff_buff[3] = {(uint8_t)(0xB0 | i),0x7B,0x00};
SendMidiDataToDreamDSP(AllNoteOff_buff,sizeof(AllNoteOff_buff));
uint8_t AllControlOff_buff[3] = {0xB0,0x79,0x00};
uint8_t AllControlOff_buff[3] = {(uint8_t)(0xB0 | i),0x79,0x00};
SendMidiDataToDreamDSP(AllControlOff_buff,sizeof(AllControlOff_buff));
}
StartFlag = 0;

3
UI/UI_Idle.c
View File

@ -48,9 +48,8 @@ static void UI_ModeSelect_DrawButtons(void)
void UI_ReturnToModeSelect(void)
{
StartFlag = 0;
InModeFlag = false;
AutoBandTop1_Stop();
Stop_AutoBand();
/* 长按回模式选择时，清掉万能 LOOP_LIGHT 残留红灯 */
app_tm1629_all_on(LED_COLOR_G);
CallUI_Idle();

4
UI/UI_SongMode.c
View File

@ -177,6 +177,10 @@ void Touch_Action(int8_t FLAG, uint8_t ID, uint8_t areaIndex,uint8_t value)
if (!UI_SetFocus(GUI_MODE_PARAM))
show_Param(&UI_Label[GUI_MODE_PARAM], pCurData);
/* 切歌/切走向：先停当前伴奏并静音，避免旧曲尾音残留 */
if (last_value != pCurData->Current)
Stop_AutoBand();
UI_ApplyToneAddress();
int ret = 0;
if (tab == 0)

7
UI/UI_global.c
View File

@ -164,9 +164,8 @@ void UI_ApplyToneAddress(void)
void UI_ReloadTonePreset(void)
{
UI_ApplyToneAddress();
/* 换库前先停，避免播放中改 relocate 指针 */
AutoBandTop1_Stop();
StartFlag = 0;
/* 换库/切模式前完整停止伴奏（引擎停 + 全通道 AllNotesOff） */
Stop_AutoBand();
/* 万能：和弦走向 */
if (mGuiData[GUI_TAB_INDEX].Current == 0)
{
@ -1013,6 +1012,8 @@ void UI_NavBar_Action(uint8_t value)
{
/* 离开万能后 LOOP_LIGHT 停更，须显式恢复全绿（旧 GUI_TAB_INDEX 路径曾做） */
app_tm1629_all_on(LED_COLOR_G);
/* 底栏切模式/进设置：立即结束当前伴奏（设置页不走 ReloadTonePreset） */
Stop_AutoBand();
switch (value)
{