uint8 uart_rb_pop(void)
{
BUFFER_INFO *puart_rb_info = &uart_rb_info;
uint8 ch;
Buf_Pop(puart_rb_info, ch);
return ch;
}
/* This function is only used for retrive exception log*/
static kal_uint8 USB2UART_GetUARTByte(UART_PORT port)
{
kal_uint32 real_count = 0;
kal_uint32 RoomLeft = 0;
kal_uint8 data;
/* This function can only be called after exception*/
if(INT_Exception_Enter == 0)
ASSERT(0);
if ((gUsbDevice.device_type != USB_CDC_ACM)||(USB2UARTPort.initialized == KAL_FALSE))
{
/* This function should only be called when assertion, if not CDC_ACM type, trap in while loop*/
while(1);
}
Buf_GetBytesAvail(&(USB2UARTPort.Rx_Buffer),real_count);
while(real_count==0)
{
/* polling received data*/
USB2UART_Polling_Recv_Data();
Buf_GetBytesAvail(&(USB2UARTPort.Rx_Buffer),real_count);
}
Buf_Pop(&(USB2UARTPort.Rx_Buffer),data); /* one byte at a time */
/* set unmask flag if room left is larger than USB_EP_BULK_MAXP */
Buf_GetRoomLeft(&(USB2UARTPort.Rx_Buffer),RoomLeft);
/* only unmask IRQ if ring buffer romm left >= MAX BULK PKt SIZE */
#ifdef USB_20_ENABLE
if(USB_Is_High_Speed() == KAL_TRUE)
{
if(RoomLeft >= USB_EP_BULK_MAXP_HS)
{
USB_Set_UnMask_Irq(KAL_TRUE);
}
}
else
{
if(RoomLeft >= USB_EP_BULK_MAXP_FS)
{
USB_Set_UnMask_Irq(KAL_TRUE);
}
}
#else
if(RoomLeft >= USB_EP_BULK_MAXP)
{
USB_Set_UnMask_Irq(KAL_TRUE);
}
#endif
return data;
}
/*********************************************************************************************************
** Function name: UART1_ISR
** Descriptions: 处理wifi消息
** input parameters: 无
** Output parameters:: 无
** Returned value: 无
** Created by:
** Created Date: 2014.10.03
**--------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date: 2014.10.03
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
void ProcessWifiMsg()
{
PKT_FIFO *infor;
PKT_DESC *rx_desc = &(UART1Port.Rx_desc);
BUFFER_INFO *rx_ring = &(UART1Port.Rx_Buffer);
PKT_TYPE rxpkt_type;
u16 rxpkt_len;
u16 i;
while (rx_desc->pkt_num)
{
//simulate FIFO,1st in,1st out
infor = &(rx_desc->infor[0]);
rxpkt_type = infor->pkt_type;
rxpkt_len = infor->pkt_len;
memset(pCmdWifiBuf, 0, UART1RX_RING_LEN);
//copy from uart rx ring
for(i = 0;i < rxpkt_len;i++) //O(n)
{
Buf_Pop(rx_ring,pCmdWifiBuf[i]);
//AC_Printf("Buf_Pop=%x \n",pCmdBuf[i]);
}
//reset value
infor->pkt_type = PKT_UNKNOWN;
infor->pkt_len = 0;
//shift FIFO
for (i=0; i<(rx_desc->pkt_num)-1; i++) //O(n)
{
rx_desc->infor[i]= rx_desc->infor[i+1];
}
rx_desc->pkt_num--;
//handle previous packet
switch (rxpkt_type)
{
case PKT_PUREDATA:
AC_RecvMessage((AC_MessageHead*)(pCmdWifiBuf + 4));
break;
default:
break;
}
}
}
/*
* task context
* fucntion: dispatch and handle packet from rx ring buffer
*/
void uart_rx_dispatch(void)
{
PKT_FIFO *infor;
PKT_DESC *rx_desc = &(UARTPort.Rx_desc);
BUFFER_INFO *rx_ring = &(UARTPort.Rx_Buffer);
PKT_TYPE rxpkt_type;
uint16 rxpkt_len;
uint16 i;
uint8 pCmdBuf[UARTRX_RING_LEN];
while (rx_desc->pkt_num) {
//simulate FIFO,1st in,1st out
infor = &(rx_desc->infor[0]);
rxpkt_type = infor->pkt_type;
rxpkt_len = infor->pkt_len;
memset(pCmdBuf, 0, UARTRX_RING_LEN);
//copy from uart rx ring
for (i = 0; i < rxpkt_len; i++) {
Buf_Pop(rx_ring, pCmdBuf[i]);
}
//reset value
infor->pkt_type = PKT_UNKNOWN;
infor->pkt_len = 0;
//shift FIFO
for (i=0; i<(rx_desc->pkt_num)-1; i++) {
rx_desc->infor[i]= rx_desc->infor[i+1];
}
rx_desc->pkt_num--;
//handle previous packet
switch (rxpkt_type) {
case PKT_ATCMD:
iot_atcmd_parser(pCmdBuf, rxpkt_len);
break;
case PKT_IWCMD:
iot_iwcmd_parser(pCmdBuf, rxpkt_len);
break;
// <----custom defined packet dispatch
default:
break;
}
}
}
