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Ano_USB.c
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/******************** (C) COPYRIGHT 2017 ANO Tech ********************************
* 作者 ：匿名科创
* 官网 ：www.anotc.com
* 淘宝 ：anotc.taobao.com
* 技术Q群 ：190169595
* 描述 ：USB通信相关函数
**********************************************************************************/
#include "RTL.h"
#include <rl_usb.h>
#include <stm32f4xx.h> /* STM32F4xx Definitions */
#define __NO_USB_LIB_C
#include "usb_config.c"
#include "Ano_DT.h"
#include "Ano_USB.h"
u8 HID_SEND_TIMEOUT = 5; //hid发送不足一帧时，等待HID_SEND_TIMEOUT周期进行发送
u8 hid_datatemp[256]; //hid环形缓冲区
u8 hid_datatemp_begin = 0; //环形缓冲区数据指针，指向应当发送的数据
u8 hid_datatemp_end = 0; //环形缓冲区数据结尾
u8 hid_data2send[64]; //hid发送缓存，一个hid数据帧64字节，第一字节表示有效数据字节数，0-63，后面是数据，最多63字节
void Usb_Hid_Init (void)
{
usbd_init();
usbd_connect(__TRUE);
}
void Usb_Hid_Adddata(u8 *dataToSend , u8 length)
{
for(u8 i=0; i<length; i++)
{
hid_datatemp[hid_datatemp_end++] = dataToSend[i];
}
}
void Usb_Hid_Send (void)
{
static u8 notfull_timeout=0;
if(hid_datatemp_end > hid_datatemp_begin)
{
if((hid_datatemp_end - hid_datatemp_begin) >= 63)
{
notfull_timeout = 0;
hid_data2send[0] = 63;
for(u8 i=0; i<63; i++)
{
hid_data2send[i+1] = hid_datatemp[hid_datatemp_begin++];
}
usbd_hid_get_report_trigger(0, hid_data2send, 64); //send
}
else
{
notfull_timeout++;
if(notfull_timeout == HID_SEND_TIMEOUT)
{
notfull_timeout = 0;
hid_data2send[0] = hid_datatemp_end - hid_datatemp_begin;
for(u8 i=0; i<63; i++)
{
if(i<hid_datatemp_end - hid_datatemp_begin)
hid_data2send[i+1] = hid_datatemp[hid_datatemp_begin+i];
else
hid_data2send[i+1] = 0;
}
hid_datatemp_begin = hid_datatemp_end;
usbd_hid_get_report_trigger(0, hid_data2send, 64); //send
}
}
}
else if(hid_datatemp_end < hid_datatemp_begin)
{
if((256 - hid_datatemp_begin + hid_datatemp_end) >= 63)
{
notfull_timeout = 0;
hid_data2send[0] = 63;
for(u8 i=0; i<63; i++)
{
hid_data2send[i+1] = hid_datatemp[hid_datatemp_begin++];
}
usbd_hid_get_report_trigger(0, hid_data2send, 64); //send
}
else
{
notfull_timeout++;
if(notfull_timeout == HID_SEND_TIMEOUT)
{
notfull_timeout = 0;
hid_data2send[0] = 256 - hid_datatemp_begin + hid_datatemp_end;
for(u8 i=0; i<63; i++)
{
if(i<256 - hid_datatemp_begin + hid_datatemp_end)
hid_data2send[i+1] = hid_datatemp[(u8)(hid_datatemp_begin+i)];
else
hid_data2send[i+1] = 0;
}
hid_datatemp_begin = hid_datatemp_end;
usbd_hid_get_report_trigger(0, hid_data2send, 64); //dend
}
}
}
}
int usbd_hid_get_report (U8 rtype, U8 rid, U8 *buf, U8 req)
{
switch (rtype)
{
case HID_REPORT_INPUT:
switch (rid)
{
case 0:
switch (req)
{
case USBD_HID_REQ_EP_CTRL:
case USBD_HID_REQ_PERIOD_UPDATE:
return 64;
case USBD_HID_REQ_EP_INT:
break;
}
break;
}
break;
case HID_REPORT_FEATURE:
return (1);
}
return (0);
}
void usbd_hid_set_report (U8 rtype, U8 rid, U8 *buf, int len, U8 req) {
switch (rtype) {
case HID_REPORT_OUTPUT:
for(u8 i = 1; i<=(*(buf)); i++)
ANO_DT_Data_Receive_Prepare(*(buf+i)); //hid接收到数据会调用此函数
break;
case HID_REPORT_FEATURE:
//feat = buf[0];
break;
}
}