Diff: USBDevice/USBSERIAL/USBSerial.cpp

Revision:

0:22612ae617a0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDevice/USBSERIAL/USBSerial.cpp	Mon Oct 08 11:14:07 2012 +0000
@@ -0,0 +1,70 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "stdint.h"
+#include "USBSerial.h"
+#include "USBBusInterface.h"
+
+
+int USBSerial::_putc(int c) {
+    send((uint8_t *)&c, 1);
+    return 1;
+}
+
+int USBSerial::_getc() {
+    uint8_t c;
+    while (buf.isEmpty());
+    buf.dequeue(&c);
+    return c;
+}
+
+
+bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) {
+    if(size > MAX_PACKET_SIZE_EPBULK) {
+        return false;
+    }
+    if(!send(buf, size)) {
+        return false;
+    }
+    return true;
+}
+
+
+
+bool USBSerial::EP2_OUT_callback() {
+    uint8_t c[65];
+    uint16_t size = 0;
+
+    //we read the packet received and put it on the circular buffer
+    readEP(c, &size);
+    for (int i = 0; i < size; i++) {
+        buf.queue(c[i]);
+    }
+
+    //call a potential handler
+    rx.call();
+
+    // We reactivate the endpoint to receive next characters
+    readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
+    return true;
+}
+
+uint8_t USBSerial::available() {
+    return buf.available();
+}
+