Enable usb

Author: JcZou

target/infineon/edge-e83/drivers/drv_usbd_cdc.c

@@ -231,7 +231,7 @@ static rt_size_t cdc_dev_write(usbd_cdc_dev_t dev, rt_off_t pos, const void* buf
 
         ep_tx_busy_flag = true;
         usbd_ep_start_write(usb_busid, CDC_IN_EP, usb_write_buffer, chunk_size);
-        rt_completion_wait(&dev->tx_cplt, RT_WAITING_FOREVER);
+        // rt_completion_wait(&dev->tx_cplt, RT_WAITING_FOREVER);
 
         sent_len += chunk_size;
         data_ptr += chunk_size;
@@ -291,7 +291,7 @@ rt_err_t drv_usb_cdc_init(void)
         return RT_ENOMEM;
     }
 
-    ret = hal_usbd_cdc_register(&cdc_device, "usbd_cdc", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM, NULL);
+    ret = hal_usbd_cdc_register(&cdc_device, "usbd_cdc", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE | RT_DEVICE_FLAG_DMA_RX | RT_DEVICE_FLAG_DMA_TX, NULL);
     if (ret != RT_EOK) {
         rt_mutex_delete(cdc_device.tx_lock);
         return ret;

target/infineon/edge-e83/m55/board/default_config.h

@@ -29,6 +29,12 @@ target = "Edge-E83"\n
 	[[console.devices]]\n
 	type = "mavlink"\n
 	name = "mav_console"\n
-	auto-switch = true
+	auto-switch = true\n
+[mavproxy]\n
+[[mavproxy.devices]]\n
+	chan = 0\n
+	type = "usb"\n
+	name = "usbd_cdc"\n
+    auto-switch = true
 );
 // clang-format on

target/infineon/edge-e83/m55/rtconfig.py

@@ -28,8 +28,8 @@
     PLATFORM = 'iccarm'
     EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
-# if os.getenv('RTT_EXEC_PATH'):
-#     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
+if os.getenv('RTT_EXEC_PATH'):
+    EXEC_PATH = os.getenv('RTT_EXEC_PATH')
 
 BUILD = 'debug'