void _kuart_int_rx_tx_isr
(
/* [IN] the address of the device specific information */
pointer parameter
)
{ /* Body */
IO_SERIAL_INT_DEVICE_STRUCT_PTR int_io_dev_ptr = parameter;
KUART_INFO_STRUCT_PTR sci_info_ptr = int_io_dev_ptr->DEV_INFO_PTR;
UART_MemMapPtr sci_ptr = sci_info_ptr->SCI_PTR;
volatile int_32 c;
#if MQX_ENABLE_LOW_POWER
if (int_io_dev_ptr->LPM_INFO.FLAGS & IO_PERIPHERAL_WAKEUP_ENABLE)
{
/* Disable wakeup settings */
int_io_dev_ptr->LPM_INFO.FLAGS &= (~ IO_PERIPHERAL_WAKEUP_ENABLE);
sci_ptr->C2 &= (~ (UART_C2_RWU_MASK));
sci_ptr->C1 &= (~ (UART_C1_WAKE_MASK | UART_C1_ILT_MASK));
sci_ptr->C4 &= (~ (UART_C4_MAEN1_MASK | UART_C4_MAEN2_MASK));
sci_ptr->MA1 = 0;
sci_ptr->MA2 = 0;
/* Do not return to CPU sleep anymore */
if (int_io_dev_ptr->LPM_INFO.FLAGS & IO_PERIPHERAL_WAKEUP_SLEEPONEXIT_DISABLE)
{
int_io_dev_ptr->LPM_INFO.FLAGS &= (~ IO_PERIPHERAL_WAKEUP_SLEEPONEXIT_DISABLE);
_lpm_wakeup_core ();
}
}
#endif
++sci_info_ptr->INTERRUPTS;
/* try if RX buffer has some characters */
if (sci_ptr->S1 & UART_S1_RDRF_MASK) {
c = sci_ptr->D;
if (!_io_serial_int_addc(int_io_dev_ptr, c)) {
sci_info_ptr->RX_DROPPED_INPUT++;
}
sci_info_ptr->RX_CHARS++;
}
/* try if TX buffer is still not full */
if (sci_ptr->S1 & UART_S1_TDRE_MASK) {
c = _io_serial_int_nextc(int_io_dev_ptr);
if (c >= 0) {
sci_ptr->D = c;
} else {
/* All data sent, disable transmit interrupt */
sci_ptr->C2 &= ~UART_C2_TIE_MASK;
}
sci_info_ptr->TX_CHARS++;
}
} /* Endbody */
/*FUNCTION****************************************************************
*
* Function Name : _kuart_mix_rx_isr
* Returned Value : none
* Comments :
* mix callback for the serial rx.
*
*************************************************************************/
void _kuart_dma_rx_isr
(
/* [IN] the address of the device specific information */
void * parameter,
int tcd_done,
uint32_t tcd_seq
)
{ /* Body */
IO_SERIAL_INT_DEVICE_STRUCT_PTR int_io_dev_ptr = parameter;
KUART_INFO_STRUCT_PTR sci_info_ptr = int_io_dev_ptr->DEV_INFO_PTR;
uint32_t i;
int8_t cc;
uint8_t *rx_buf;
#if 0
_int_disable();
rx_buf = sci_info_ptr->RX_ACTIVE;
sci_info_ptr->RX_ACTIVE = sci_info_ptr->RX_ACTIVE == sci_info_ptr->RX_BUF ?
sci_info_ptr->RX_BUF + int_io_dev_ptr->IN_QUEUE->MAX_SIZE / 2 :
sci_info_ptr->RX_BUF;
++sci_info_ptr->INTERRUPTS;
for (i=sci_info_ptr->RX_BYTES; i<int_io_dev_ptr->IN_QUEUE->MAX_SIZE / 2; i++)
{
cc = rx_buf[i];
_io_serial_int_addc(int_io_dev_ptr, cc);
}
sci_info_ptr->RX_CHARS += int_io_dev_ptr->IN_QUEUE->MAX_SIZE / 2 - sci_info_ptr->RX_BYTES;
sci_info_ptr->RX_KEEP = 1;
sci_info_ptr->RX_BYTES = 0;
_int_enable();
#endif
//_int_disable();
sci_info_ptr->dmaC += int_io_dev_ptr->IQUEUE_SIZE;
//_int_enable();
//printf("UART dma rx isr \n");
//printf("I \n");
} /* Endbody */
/*******************************************************************************
** Function Name ：uart_isr
** Input ：
** Return ：
** Author ：wk
** Version ：
** Date ：
** Dessription ：
** Reverse ：
*******************************************************************************/
void uart_isr(pointer parameter)
{
#if 1 // wk --> 在有些工程中没有定义read_buf[]和LCDTouchSel() --> 0 else --> 1
/* Body */
IO_SERIAL_INT_DEVICE_STRUCT_PTR int_io_dev_ptr = parameter;
KUART_INFO_STRUCT_PTR sci_info_ptr = int_io_dev_ptr->DEV_INFO_PTR;
UART_MemMapPtr sci_ptr = sci_info_ptr->SCI_PTR;
/*
** author: wk @2012-10-03
** description: 和上面三行的功能相同
*/
// UART_MemMapPtr sci_ptr;
// sci_ptr=(UART_MemMapPtr)UART4_BASE_PTR; //wk
volatile int_32 c;
/* try if RX buffer has some characters */
#if 0 // wk _system
if (sci_ptr->S1 & UART_S1_RDRF_MASK) {
c = sci_ptr->D;
// printf("c=%x\n",c);
if (!_io_serial_int_addc(int_io_dev_ptr, c)) {
sci_info_ptr->RX_DROPPED_INPUT++;
}
sci_info_ptr->RX_CHARS++;
}
#endif
#if 1 // wk --> data rec
static uchar i=0,flag=0;
// do
{
if (sci_ptr->S1 & UART_S1_RDRF_MASK) {
c = sci_ptr->D;
if(c == 0xaa || flag==1) //第一个数据是 0xaa 开始标志才开始接收
{
read_buffer[i++]= c ;
flag=1;
}
if (!_io_serial_int_addc(int_io_dev_ptr, c)) {
sci_info_ptr->RX_DROPPED_INPUT++;
}
sci_info_ptr->RX_CHARS++;
}
}
// while(c != 0x3c);
#endif // wk --< data rec
#define UART_EVENTTEST 1
#if !UART_EVENTTEST
if(i == 8)
{
i=0;flag=0;
LCDTouchSel(); // 触摸屏按键判断程序
}
#endif // !UART_EVENTTEST
#if UART_EVENTTEST
if(i == 8)
{
i=0;flag=0;
pointer puart_event;
#ifdef _UART_DBUG_
if(_event_open("uart_event",&puart_event) != MQX_OK)
{
printf("\n Open event failed of serl_int_kuart.c");
}
else
printf("\n Open event OK of serl_int_kuart.c");
if (_event_set(puart_event,0x01) != MQX_OK) {
printf("\n Set Event failed of serl_int_kuart.c");
}
else
printf("\n Set Event OK of serl_int_kuart.c");
#endif
#ifndef _UART_DBUG_
_event_open("uart_event",&puart_event);
_event_set(puart_event,0x01);
#endif
}
#endif // UART_EVENTTEST
#endif
}
void _mcf54xx_uart_serial_int_isr
(
/* [IN] the address of the device specific information */
pointer parameter
)
{ /* Body */
IO_SERIAL_INT_DEVICE_STRUCT_PTR int_io_dev_ptr = parameter;
MCF54XX_UART_SERIAL_INFO_STRUCT_PTR uart_info_ptr;
volatile MCF54XX_UART_STRUCT _PTR_ uart_ptr;
int_32 c;
uint_16 stat;
boolean work;
uart_info_ptr = int_io_dev_ptr->DEV_INFO_PTR;
uart_ptr = uart_info_ptr->UART_PTR;
++uart_info_ptr->INTERRUPTS;
/* Receive loop */
work = TRUE;
while (work) {
work = FALSE;
stat = uart_ptr->READ.USR;
while (stat & MCF54XX_UART_USR_RXRDY) {
c = uart_ptr->READ.URB; /* this clears the status bit */
if (stat & (MCF54XX_UART_USR_RB | MCF54XX_UART_USR_FE |
MCF54XX_UART_USR_PE | MCF54XX_UART_USR_OE))
{
if (stat & MCF54XX_UART_USR_RB) {
++uart_info_ptr->RX_BREAKS;
c = uart_ptr->READ.URB; /* read break character */
uart_ptr->WRITE.UCR = MCF54XX_UART_UCR_RESET_BREAK;
} /* Endif */
if (stat & MCF54XX_UART_USR_FE) {
++uart_info_ptr->RX_FRAMING_ERRORS;
} /* Endif */
if (stat & MCF54XX_UART_USR_PE) {
++uart_info_ptr->RX_PARITY_ERRORS;
} /* Endif */
if (stat & MCF54XX_UART_USR_OE) {
++uart_info_ptr->RX_OVERRUNS;
} /* Endif */
uart_ptr->WRITE.UCR = MCF54XX_UART_UCR_RESET_ERROR;
} /* Endif */
uart_info_ptr->RX_CHARS++;
work = TRUE;
if (!_io_serial_int_addc(int_io_dev_ptr, c)) {
uart_info_ptr->RX_DROPPED_INPUT++;
} /* Endif */
stat = uart_ptr->READ.USR;
} /* Endwhile */
while (stat & MCF54XX_UART_USR_TXRDY) {
c = _io_serial_int_nextc(int_io_dev_ptr);
if (c >= 0) {
work = TRUE;
uart_ptr->WRITE.UTB = c;
uart_info_ptr->INT_ENABLE_BITS |= MCF54XX_UART_UIMR_TXRDY;
uart_ptr->WRITE.UIMR = uart_info_ptr->INT_ENABLE_BITS;
} else {
/* No output. Turn off transmit interrupt */
uart_info_ptr->INT_ENABLE_BITS &= ~MCF54XX_UART_UIMR_TXRDY;
uart_ptr->WRITE.UIMR = uart_info_ptr->INT_ENABLE_BITS;
break;
} /* Endif */
stat = uart_ptr->READ.USR;
uart_info_ptr->TX_CHARS++;
} /* Endwhile */
} /* Endwhile */
} /* Endbody */
