added tud_cdc_write_str, tu_fifo only use mutex for RTOS config

2018-11-13 15:34:50 +07:00
parent 5a046799f6
commit 3fe7cd1659
19 changed files with 110 additions and 83 deletions
@@ -101,18 +101,32 @@ void cdc_task(void* params)
  while ( 1 )
  {
    // connected and there are data available
-    if ( tud_mounted() && tud_cdc_available() )
+    if ( tud_cdc_connected() )
    {
-      uint8_t buf[64];
+      if ( tud_cdc_available() )
+      {
+        uint8_t buf[64];

-      // read and echo back
-      uint32_t count = tud_cdc_read(buf, sizeof(buf));
+        // read and echo back
+        uint32_t count = tud_cdc_read(buf, sizeof(buf));
+
+        tud_cdc_write(buf, count);
+      }

-      tud_cdc_write(buf, count);
      tud_cdc_write_flush();
    }
+  }
+}

-    taskYIELD();
+void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
+{
+  (void) itf;
+
+  // connected
+  if ( dtr && rts )
+  {
+    // print greeting
+    tud_cdc_write_str("tinyusb usb cdc\n");
  }
 }
 #endif