/**
* @brief Repeat Control IN pipe
*
* @param None
*
* @return None
*
* @details This function processes the remained data of Control IN transfer.
*
*/
void USBD_CtrlIn(void)
{
static uint8_t u8ZeroFlag = 0;
if(g_usbd_CtrlInSize)
{
// Process remained data
if(g_usbd_CtrlInSize > g_usbd_CtrlMaxPktSize)
{
// Data size > MXPLD
USBD_MemCopy((uint8_t *)USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP0), (uint8_t *)g_usbd_CtrlInPointer, g_usbd_CtrlMaxPktSize);
USBD_SET_PAYLOAD_LEN(EP0, g_usbd_CtrlMaxPktSize);
g_usbd_CtrlInPointer += g_usbd_CtrlMaxPktSize;
g_usbd_CtrlInSize -= g_usbd_CtrlMaxPktSize;
}
else
{
// Data size <= MXPLD
USBD_MemCopy((uint8_t *)USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP0), (uint8_t *)g_usbd_CtrlInPointer, g_usbd_CtrlInSize);
USBD_SET_PAYLOAD_LEN(EP0, g_usbd_CtrlInSize);
if(g_usbd_CtrlInSize == g_usbd_CtrlMaxPktSize)
u8ZeroFlag = 1;
g_usbd_CtrlInPointer = 0;
g_usbd_CtrlInSize = 0;
}
}
else
{
// In ACK for Set address
if((g_usbd_SetupPacket[0] == 0) && (g_usbd_SetupPacket[1] == 5))
{
if((USBD_GET_ADDR() != g_usbd_UsbAddr) && (USBD_GET_ADDR() == 0))
{
USBD_SET_ADDR(g_usbd_UsbAddr);
}
}
// For size if n x MXPLD
if(u8ZeroFlag)
{
USBD_SET_PAYLOAD_LEN(EP0, 0);
u8ZeroFlag = 0;
}
// No more data for IN token
USBD_PrepareCtrlOut(0, 0);
DBG_PRINTF("Ctrl In Done.\n");
}
}
/**
* @brief Repeat Control IN pipe
*
* @param None
*
* @return None
*
* @details This function processes the remained data of Control IN transfer.
*
*/
void USBD_CtrlIn(void)
{
static uint8_t u8ZeroFlag = 0;
DBG_PRINTF("Ctrl In Ack. residue %d\n", g_usbd_CtrlInSize);
if(g_usbd_CtrlInSize)
{
// Process remained data
if(g_usbd_CtrlInSize > g_usbd_CtrlMaxPktSize)
{
// Data size > MXPLD
USBD_MemCopy((uint8_t *)USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP0), (uint8_t *)g_usbd_CtrlInPointer, g_usbd_CtrlMaxPktSize);
USBD_SET_PAYLOAD_LEN(EP0, g_usbd_CtrlMaxPktSize);
g_usbd_CtrlInPointer += g_usbd_CtrlMaxPktSize;
g_usbd_CtrlInSize -= g_usbd_CtrlMaxPktSize;
}
else
{
// Data size <= MXPLD
USBD_MemCopy((uint8_t *)USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP0), (uint8_t *)g_usbd_CtrlInPointer, g_usbd_CtrlInSize);
USBD_SET_PAYLOAD_LEN(EP0, g_usbd_CtrlInSize);
if(g_usbd_CtrlInSize == g_usbd_CtrlMaxPktSize)
u8ZeroFlag = 1;
g_usbd_CtrlInPointer = 0;
g_usbd_CtrlInSize = 0;
}
}
else // No more data for IN token
{
// In ACK for Set address
if((g_usbd_SetupPacket[0] == REQ_STANDARD) && (g_usbd_SetupPacket[1] == USBD_SET_ADDRESS))
{
if((USBD_GET_ADDR() != g_usbd_UsbAddr) && (USBD_GET_ADDR() == 0))
{
USBD_SET_ADDR(g_usbd_UsbAddr);
}
}
/* For the case of data size is integral times maximum packet size */
if(u8ZeroFlag)
{
USBD_SET_PAYLOAD_LEN(EP0, 0);
u8ZeroFlag = 0;
}
DBG_PRINTF("Ctrl In done.\n");
}
}
