pl2303.cpp

mbed 
#include "mbed.h"
#include "USBHost.h"
#include "Utils.h"

#define PL2303_SET_LINE_CODING 0x20

u8 pl2303_buf[64];

void pl2303_Callback(int device, int endpoint, int status, u8* data, int len, void* userData)
{
    //printfBytes("pl2303_bulk_Callback", data ,len);
    for (int i = 0; i < len; i++) {
        printf("%c", data[i]);
    }    
    USBBulkTransfer(device, 0x83, pl2303_buf, sizeof(pl2303_buf), pl2303_Callback, userData);
}

int OnPL2303Insert(int device) 
{
    printf("PL-2303 inserted of %d\n",device);
    USBBulkTransfer(device, 0x83, pl2303_buf, sizeof(pl2303_buf), pl2303_Callback, (void*)0);
    u8 data[] = {0x00, 0x96, 0x00, 0x00, 0x00, 0x00, 0x08}; // 38400bps,8bit
    USBControlTransfer(device, REQUEST_TYPE_CLASS | RECIPIENT_INTERFACE, 
                               PL2303_SET_LINE_CODING, 0, 0, data, sizeof(data));
    return 0;
}