USBMSD SD card Hello World for Mbed platforms
Dependencies: mbed USBMSD_SD USBDevice
Diff: USBDevice/USBSERIAL/USBSerial.cpp
- Revision:
- 7:6494da2a5c60
- Parent:
- 6:126c4d980196
- Child:
- 8:534fd41d8cc7
--- a/USBDevice/USBSERIAL/USBSerial.cpp Mon Nov 14 10:00:07 2011 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,55 +0,0 @@ -// USBSerial.c -// USB device example: virtual serial port -// Copyright (c) 2011 ARM Limited. All rights reserved - -#include "stdint.h" -#include "USBSerial.h" -#include "USBBusInterface.h" - - -int USBSerial::_putc(int c) { - send(EPBULK_IN, (uint8_t *)&c, 1); - return 1; -} - -int USBSerial::_getc() { - uint8_t c; - while (buf.isEmpty()); - buf.dequeue(&c); - return c; -} - -void USBSerial::attach(void (*ptr)(void)) { - handler = true; - proc = true; - fn = ptr; -} - - -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 - USBCDC::read(EPBULK_OUT, c, &size, MAX_PACKET_SIZE_EPBULK); - for (int i = 0; i < size; i++) { - buf.queue(c[i]); - } - - //call a potential handler - if (handler) { - if (proc) { - (*fn)(); - } else { - 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(); -}