【USB】支持电脑休眠唤醒功能

注意：此处修改会导致电脑休眠后，USB指示灯长亮，下一步应当通过Uart发送电脑处于休眠状态的信息，以便蓝牙主控获取信息后关闭USB指示灯。
genokolar · Feb 21, 2023 · e7d8698 · e7d8698
1 parent 2444a46
commit e7d8698
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Showing 3 changed files with 19 additions and 27 deletions.
diff --git a/usb/main.c b/usb/main.c
@@ -59,18 +59,6 @@ static INTERRUPT_USING(DeviceInterrupt, INT_NO_USB, 1) //USB中断服务程序,
     UsbIsr();
 }
 
-/**
- * @brief 按键发送事件
- *
- */
-static void UsbOnKeySend()
-{
-    if (usb_state.is_sleep && usb_state.remote_wake) {
-        usb_state.is_sleep = false;
-        CH554USBDevWakeup();
-    }
-}
-
 /**
  * @brief 上传键盘通常按键数据包
  *
@@ -81,12 +69,14 @@ void KeyboardGenericUpload(uint8_t* packet, uint8_t len)
 {
     if (len != 8)
         return;
-    UsbOnKeySend();
-
-    usb_state.is_busy = true;
-    memcpy(&Ep1Buffer[64], packet, len);
-    UEP1_T_LEN = len;
-    UEP1_CTRL = UEP1_CTRL & ~MASK_UEP_T_RES | UEP_T_RES_ACK;
+    if ((USB_MIS_ST & bUMS_SUSPEND) && usb_state.remote_wake) {
+        CH554USBDevWakeup();
+    } else {
+        usb_state.is_busy = true;
+        memcpy(&Ep1Buffer[64], packet, len);
+        UEP1_T_LEN = len;
+        UEP1_CTRL = UEP1_CTRL & ~MASK_UEP_T_RES | UEP_T_RES_ACK;
+    }
 }
 
 /**
@@ -97,12 +87,14 @@ void KeyboardGenericUpload(uint8_t* packet, uint8_t len)
  */
 void KeyboardExtraUpload(uint8_t* packet, uint8_t len)
 {
-    UsbOnKeySend();
-
-    usb_state.is_busy = true;
-    memcpy(Ep2Buffer, packet, len);
-    UEP2_T_LEN = len;
-    UEP2_CTRL = UEP2_CTRL & ~MASK_UEP_T_RES | UEP_T_RES_ACK;
+    if ((USB_MIS_ST & bUMS_SUSPEND) && usb_state.remote_wake) {
+        CH554USBDevWakeup();
+    } else {
+        usb_state.is_busy = true;
+        memcpy(Ep2Buffer, packet, len);
+        UEP2_T_LEN = len;
+        UEP2_CTRL = UEP2_CTRL & ~MASK_UEP_T_RES | UEP_T_RES_ACK;
+    }
 }
 
 /**

diff --git a/usb/uart.c b/usb/uart.c
@@ -134,7 +134,7 @@ static void uart_send_status()
     if (!IS_CHARGING) // 是否充满
         data |= 0x02;
 #endif
-    if (usb_state.is_ready && !usb_state.is_sleep) // 是否连接主机
+    if (usb_state.is_ready || usb_state.remote_wake) // 是否连接主机
         data |= 0x04;
     if (usb_state.protocol)
         data |= 0x08;

diff --git a/usb/usb_descriptor.h b/usb/usb_descriptor.h
@@ -45,7 +45,7 @@ enum StringDescriptor {
 uint8_t const DeviceDescriptor[] = {
     sizeof(DeviceDescriptor),               // Length of this descriptor
     0x01,                                   // Type code of this descriptor
-    0x10, 0x01,                             // Release of USB spec
+    0x00, 0x02,                             // Release of USB spec
     0x00,                                   // Device's base class code
     0x00,                                   // Device's sub class code
     0x00,                                   // Device's protocol type code
@@ -65,7 +65,7 @@ uint8_t const DeviceDescriptor[] = {
 #else
 #define USB_NUM_INTERFACES                  0x03
 #endif
-#define USB_SUPPORT_REM_WAKE                0x00    // 0x20 support, 0x00 not support
+#define USB_SUPPORT_REM_WAKE                0x20    // 0x20 support, 0x00 not support
 #define USB_SUPPORT_SELF_POWERED            0x80    // not self-powered
 #define USB_MAX_POWER                       0xfa    // 500 mA