Norimasa Okamoto
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USB-to-UART-bridge
USB to UART bridge
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BaseUsbUartBridge.h
00001 #pragma once 00002 #include "mbed.h" 00003 #include "USBCDC.h" 00004 #include "CircBuffer.h" 00005 00006 typedef enum { 00007 _USB,_UART, 00008 } src_t; 00009 00010 class BaseUsbUartBridge : public SerialBase, public USBCDC { 00011 public: 00012 BaseUsbUartBridge(PinName tx, PinName rx, int uart_buf_size = 256, int usb_buf_size = 1024); 00013 void poll(); 00014 00015 protected: 00016 virtual bool EP2_OUT_callback() { return bulk_callback(); } 00017 virtual void lineCodingChanged(int baud, int bits, int parity, int stop); 00018 virtual void sendBreak(uint16_t duration); 00019 virtual void controlLineStateChanged(int rts, int dtr){} 00020 virtual void monitor(src_t src, uint8_t c) {} 00021 00022 private: 00023 bool bulk_callback(); 00024 void uart_handler(void); 00025 CircBuffer<uint8_t> uart_buf; 00026 CircBuffer<uint8_t> usb_buf; 00027 }; 00028
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