1 files changed, 118 insertions, 0 deletions
diff --git a/arduino/cores/nRF5/usb/USBSerial.cpp b/arduino/cores/nRF5/usb/USBSerial.cpp
new file mode 100755
index 0000000..f8086e4
--- /dev/null
+++ b/arduino/cores/nRF5/usb/USBSerial.cpp
@@ -0,0 +1,118 @@
+/**************************************************************************/
+/*!
+    @file     USBSerial.cpp
+    @author   hathach (tinyusb.org)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2018, Adafruit Industries (adafruit.com)
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/**************************************************************************/
+
+#ifdef NRF52840_XXAA
+
+#include "USBSerial.h"
+#include "Arduino.h"
+#include "tusb.h"
+
+
+USBSerial Serial;
+
+USBSerial::USBSerial(void)
+{
+
+}
+
+// Baud and config is ignore in CDC
+void USBSerial::begin (uint32_t baud)
+{
+}
+void USBSerial::begin (uint32_t baud, uint8_t config)
+{
+}
+
+void USBSerial::end(void)
+{
+  // nothing to do
+}
+
+USBSerial::operator bool()
+{
+  return tud_cdc_connected();
+}
+
+int USBSerial::available(void)
+{
+  return tud_cdc_available();
+}
+
+int USBSerial::peek(void)
+{
+  return tud_cdc_peek(0);
+}
+
+int USBSerial::read(void)
+{
+  return (int) tud_cdc_read_char();
+}
+
+size_t USBSerial::readBytes(char *buffer, size_t length)
+{
+  return tud_cdc_read(buffer, length);
+}
+
+void USBSerial::flush(void)
+{
+  tud_cdc_write_flush();
+}
+
+size_t USBSerial::write(uint8_t ch)
+{
+  return tud_cdc_write_char((char) ch);
+}
+
+size_t USBSerial::write(const uint8_t *buffer, size_t size)
+{
+  size_t remain = size;
+  while ( remain && tud_cdc_connected() )
+  {
+    size_t wrcount = tud_cdc_write(buffer, remain);
+    remain -= wrcount;
+    buffer += wrcount;
+
+    // Write FIFO is full, flush and re-try
+    if ( remain )
+    {
+      tud_cdc_write_flush();
+    }
+  }
+
+  return size - remain;
+}
+
+#endif // NRF52840_XXAA