Fix smart serial_v2 bypass compile error issue

Author: rcitach

components/drivers/include/drivers/dev_serial_v2.h

@@ -333,6 +333,9 @@ struct rt_serial_device
 
     struct rt_spinlock spinlock;
 
+#ifdef RT_USING_SERIAL_BYPASS
+    struct rt_serial_bypass* bypass;
+#endif
     struct rt_device_notify rx_notify;
 };
 

components/drivers/include/rtdevice.h

@@ -152,10 +152,10 @@ extern "C" {
 #include "drivers/dev_serial_v2.h"
 #else
 #include "drivers/dev_serial.h"
+#endif /* RT_USING_SERIAL_V2 */
 #ifdef RT_USING_SERIAL_BYPASS
 #include "drivers/serial_bypass.h"
 #endif /* RT_USING_SERIAL_BYPASS */
-#endif
 #endif /* RT_USING_SERIAL */
 
 #ifdef RT_USING_I2C

components/drivers/serial/bypass.c

@@ -41,7 +41,11 @@ rt_err_t rt_serial_bypass_init(struct rt_serial_device* serial)
 {
     serial->bypass = rt_malloc(sizeof(struct rt_serial_bypass));
     rt_memset(serial->bypass, 0, sizeof(struct rt_serial_bypass));
+#ifdef RT_USING_SERIAL_V2
+    serial->bypass->pipe = rt_ringbuffer_create(serial->config.rx_bufsz);
+#else
     serial->bypass->pipe = rt_ringbuffer_create(serial->config.bufsz);
+#endif
     serial->bypass->mutex = rt_mutex_create("serial_bypass", RT_IPC_FLAG_FIFO);
 
     return RT_EOK;
@@ -140,6 +144,22 @@ static inline rt_err_t _bypass_getchar_form_serial_fifo(struct rt_serial_device*
     level = rt_spin_lock_irqsave(&(serial->spinlock));
 
     /* there's no data: */
+#ifdef RT_USING_SERIAL_V2
+    rt_size_t  ringbuf_date_stat;
+    ringbuf_date_stat = rt_ringbuffer_data_len(&rx_fifo->rb);
+    if(!ringbuf_date_stat)
+    {
+        /* no data, enable interrupt and break out */
+        rt_spin_unlock_irqrestore(&(serial->spinlock), level);
+        return -RT_EEMPTY;
+    }
+    if(!rt_ringbuffer_getchar(&rx_fifo->rb, (rt_uint8_t *)ch))
+    {
+        /* Failed to read data */
+        rt_spin_unlock_irqrestore(&(serial->spinlock), level);
+        return -RT_EOK;
+    }
+#else
     if ((rx_fifo->get_index == rx_fifo->put_index) && (rx_fifo->is_full == RT_FALSE))
     {
         /* no data, enable interrupt and break out */
@@ -156,7 +176,7 @@ static inline rt_err_t _bypass_getchar_form_serial_fifo(struct rt_serial_device*
     {
         rx_fifo->is_full = RT_FALSE;
     }
-
+#endif
     /* enable interrupt */
     rt_spin_unlock_irqrestore(&(serial->spinlock), level);