fix: 未打开设备时交互异常 (#36)

meng-plus · web-flow · commit b39ec3aeba7d · 2025-07-17T15:45:17.000+08:00
diff --git a/adapter/drv_rtt.c b/adapter/drv_rtt.c
@@ -85,13 +85,13 @@ static void segger_rtt_check(void)
     struct rt_serial_rx_fifo *rx_fifo;
     rx_fifo = (struct rt_serial_rx_fifo *)_serial_jlink_rtt.serial_rx;
     RT_ASSERT(rx_fifo != RT_NULL);
-    while (SEGGER_RTT_HasKey())
+    while (SEGGER_RTT_HasKey() && (_serial_jlink_rtt.parent.open_flag & RT_DEVICE_OFLAG_OPEN))
     {
         rt_ringbuffer_putchar(&(rx_fifo->rb), SEGGER_RTT_GetKey());
         rt_hw_serial_isr(&_serial_jlink_rtt, RT_SERIAL_EVENT_RX_IND);
     }
 #else  //RT_USING_SERIAL_V1
-    while (SEGGER_RTT_HasKey())
+    while (SEGGER_RTT_HasKey() && (_serial_jlink_rtt.parent.open_flag & RT_DEVICE_OFLAG_OPEN))
     {
         rt_hw_serial_isr(&_serial_jlink_rtt, RT_SERIAL_EVENT_RX_IND);
     }

Original file line number	Diff line number	Diff line change
`@@ -85,13 +85,13 @@ static void segger_rtt_check(void)`
`85`	`85`	`struct rt_serial_rx_fifo *rx_fifo;`
`86`	`86`	`rx_fifo = (struct rt_serial_rx_fifo *)_serial_jlink_rtt.serial_rx;`
`87`	`87`	`RT_ASSERT(rx_fifo != RT_NULL);`
`88`		`- while (SEGGER_RTT_HasKey())`
	`88`	`+ while (SEGGER_RTT_HasKey() && (_serial_jlink_rtt.parent.open_flag & RT_DEVICE_OFLAG_OPEN))`
`89`	`89`	`{`
`90`	`90`	`rt_ringbuffer_putchar(&(rx_fifo->rb), SEGGER_RTT_GetKey());`
`91`	`91`	`rt_hw_serial_isr(&_serial_jlink_rtt, RT_SERIAL_EVENT_RX_IND);`
`92`	`92`	`}`
`93`	`93`	`#else //RT_USING_SERIAL_V1`
`94`		`- while (SEGGER_RTT_HasKey())`
	`94`	`+ while (SEGGER_RTT_HasKey() && (_serial_jlink_rtt.parent.open_flag & RT_DEVICE_OFLAG_OPEN))`
`95`	`95`	`{`
`96`	`96`	`rt_hw_serial_isr(&_serial_jlink_rtt, RT_SERIAL_EVENT_RX_IND);`
`97`	`97`	`}`