📄 uart1.c
字号:
if( !(rUFSTAT1&(0x40<<8)) ) // until fifo is full.
{
// Uart_Printf("%x,",rUMSTAT1);
WrUTXH1(*txdataPt);
//*dbg_data++ = (rUFSTAT1>>8)&0x3f;
//*dbg_data++ = rUMSTAT1;
tx_cnt++;
if( *txdataPt == 0 ) // if data is null.
{
tx_end=1;
while(rUFSTAT1 & 0x7f00); //Until FIFO is empty
rINTMSK|=(BIT_UART1);
return;
}
txdataPt++;
}
rINTSUBMSK&=~(BIT_SUB_TXD1);
}
void __irq Uart1_AfcRxOrErr(void)
{
rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
if(rSUBSRCPND&BIT_SUB_RXD1) __sub_Uart1_RxAfc();
else __sub_Uart1_RxErrInt();
rSUBSRCPND=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
rINTSUBMSK&=~(BIT_SUB_RXD1|BIT_SUB_ERR1);
ClearPending(BIT_UART1);
}
void __sub_Uart1_RxAfc(void)
{
while( rUFSTAT1 & 0x7f ) // until data is absent..
{
*rxdataPt=rURXH1;
rx_cnt++;
if(*rxdataPt == 0)
{
rx_end=1;
rINTMSK|=BIT_UART1;
}
rxdataPt++;
}
}
void Test_Uart1_AfcTx(void)
{
int i, baudrate;
Uart_Port_Set();
tx_cnt=0;
tx_end=0;
txdataFl=(volatile U8 *)UARTBUFFER;
txdataPt=(volatile U8 *)UARTBUFFER;
//dbg_data=(volatile U32 *)(UARTBUFFER+0x1000);
for(i=0;i<AFC_BUFLEN;i++) *txdataFl++=i; // Initialize the AFC data
*txdataFl = 0;
Uart_Select(0);
Uart_Printf("[Uart channel 1 AFC Tx Test]\n");
Uart_Printf("This test should be configured two boards.\n");
Uart_Printf("Connect Tx and Rx Board with twitsted(rx/tx, nCTS/nRTS) cable .\n");
pISR_UART1=(unsigned) Uart1_AfcTx;
rULCON1=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON1 |= (1<<9)|(1<<8)|(0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1);
//Clock,Tx:Lev,Rx:Lev,Rx timeout:x,Rx error int:x,Loop-back:x,Send break:x,Tx:int,Rx:int
rUFCON1=(3<<6)|(0<<4)|(1<<2)|(1<<1)|(1);
//Tx and Rx FIFO Trigger Level:4byte,Tx and Rx FIFO Reset,FIFO on
Uart_Printf("Select 1. UART(D) or 2. IrDA mode\nChoose : ");
if (Uart_Getch() == '2')
{
rULCON1 |= (1<<6); // IrDA mode
rUMCON1=0x0; // Disable Uart1 AFC
rGPCON_U = (rGPCON_U&~(3<<20))|(1<<10); // GP29(IrDA_SDBW) is output
rGPDAT &=~(1<<29); // IrDA_SDBW output is low
}
else
{
rULCON1 &= ~(1<<6); // UART mode
rUMCON1=0x10; // Enable Uart1 AFC
}
Uart_Printf("buadrate(D:115200) = ");
baudrate = Uart_GetIntNum();
if (baudrate = '\r')
rUBRDIV1 = (int)(PCLK/16./115200+0.5)-1;
else
rUBRDIV1 = (int)(PCLK/16./baudrate+0.5)-1;
Uart_Printf("UBRDIV = %d\n",rUBRDIV1);
Uart_Printf("\nKeep the connection between PC[COM1 or COM2] and UART0 of SMDK2440!!! \n");
Uart_Printf("Start Rx first and then press any key to start Tx.....\n");
Uart_TxEmpty(0);
Uart_Getch();
rINTMSK=~(BIT_UART1);
rINTSUBMSK=~(BIT_SUB_TXD1);
while(!tx_end);
txdataPt=(volatile U8 *)UARTBUFFER;
//dbg_data=(volatile U32 *)(UARTBUFFER+0x1000);
Uart_Printf("[Txdata, CTS satus, FIFO count]\n");
for (i=0;i<AFC_BUFLEN;i++)
//Uart_Printf("[%3d,0x%2x,%2d] ",*txdataPt++,*dbg_data++,*dbg_data++);
Uart_Printf("[%3d] ",*txdataPt++);
rINTMSK |= (BIT_UART1);
rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
rUFCON1=(3<<6)|(2<<4)|(1<<2)|(1<<1)|(0);
//Tx and Rx FIFO Trigger Level:12byte,Tx and Rx FIFO Reset,FIFO off
Uart_Printf("\nEnd Tx, transfer data count=%d\n",tx_cnt);
Uart_Port_Return();
}
void Test_Uart1_AfcRx(void)
{
int i, baudrate;
rx_cnt=0;
rx_end=0;
afc_err=0;
rxdataCk=(volatile U8 *)UARTBUFFER;
rxdataPt=(volatile U8 *)UARTBUFFER;
//dbg_data=(volatile U32 *)(UARTBUFFER+0x1000);
Uart_Port_Set();
Uart_Select(0);
Uart_Printf("[Uart channel 1 AFC Rx Test]\n");
Uart_Printf("This test should be configured two boards.\n");
Uart_Printf("Connect Tx and Rx Board with twitsted(rx/tx, nCTS/nRTS) cable .\n");
pISR_UART1=(unsigned) Uart1_AfcRxOrErr;
rULCON1=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON1 |= (1<<9)|(1<<8)|(1<<7)|(1<<6)|(0<<5)|(0<<4)|(1<<2)|(0);
//Clock,Tx:Lev,Rx:Lev,Rx timeout:o,Rx error int:o,Loop-back:x,Send break:x,Tx:int,Rx:int
rUFCON1=(1<<6)|(11<<4)|(1<<2)|(1<<1)|(1);
//Tx and Rx FIFO Trigger Level:4byte,Tx and Rx FIFO Reset,FIFO on
Uart_Printf("Select 1. UART(D) or 2. IrDA mode\nChoose : ");
if (Uart_Getch() == '2')
{
rULCON1 |= (1<<6); // IrDA mode
rUMCON1=0x0; // Disable Uart1 AFC
rGPCON_U = (rGPCON_U&~(3<<20))|(1<<20); // GP29(IrDA_SDBW) is output
rGPDAT &=~(1<<29); // IrDA_SDBW output is low
}
else
{
rULCON1 &= ~(1<<6); // UART mode
rUMCON1=0x10; // Enable Uart1 AFC
}
Uart_Printf("buadrate(D:115200) = ");
baudrate = Uart_GetIntNum();
if (baudrate = '\r')
rUBRDIV1 = (int)(PCLK/16./115200+0.5)-1;
else
rUBRDIV1 = (int)(PCLK/16./baudrate+0.5)-1;
Uart_Printf("UBRDIV = %d\n",rUBRDIV1);
Uart_Printf("\nKeep the connection between PC[COM1 or COM2] and UART0 of SMDK2440!!! \n");
Uart_Printf("Press any key to start Rx and then Star Tx....\n");
Uart_Getch();
// Clear Int Pending and Unmask
rSUBSRCPND=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
rINTSUBMSK=~(BIT_SUB_RXD1|BIT_SUB_ERR1);
ClearPending(BIT_UART1);
rINTMSK=~(BIT_UART1);
rUCON1 |= 1; // interrupt enable, Rx start
while(!rx_end);
rINTMSK |= (BIT_UART1);
rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
rUFCON1=(3<<6)|(2<<4)|(1<<2)|(1<<1)|(0);
//Tx and Rx FIFO Trigger Level:12byte,Tx and Rx FIFO Reset,FIFO off
rxdataPt=(volatile U8 *)UARTBUFFER;
//dbg_data=(volatile U32 *)(UARTBUFFER+0x1000);
Uart_Printf("[Rx data, CTS satus, FIFO count\n");
for (i=0;i<AFC_BUFLEN;i++)
//Uart_Printf("[%3d,0x%2x,%2d] ",*rxdataPt++,*dbg_data++,*dbg_data++);
Uart_Printf("[%3d] ",*rxdataPt++);
Uart_Printf("\nEnd Rx, receive data count=%d\n",rx_cnt);
for(i=1;i<AFC_BUFLEN;i++)
if(i-(*rxdataCk++)) {
Uart_Printf("i=%d\n",i);
afc_err++;
}
if(afc_err)
Uart_Printf("AFC test fail!! Error count=%d\n",afc_err);
else
Uart_Printf("AFC test is good!!\n");
Uart_Port_Return();
}
void Test_Uart1_SIR_Tx(void)
{
int i, baudrate;
Uart_Port_Set();
tx_cnt=0;
tx_end=0;
txdataFl=(volatile U8 *)UARTBUFFER;
txdataPt=(volatile U8 *)UARTBUFFER;
for(i=0;i<AFC_BUFLEN;i++) *txdataPt++=i; // Initialize the AFC data
txdataPt=(volatile U8 *)UARTBUFFER;
Uart_Select(0);
Uart_Printf("Tx\n");
pISR_UART1=(unsigned) Uart1_AfcTx;
rULCON1=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON1 |= (1<<9)|(1<<8)|(0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1);
//rUFCON1=(3<<6)|(0<<4)|(1<<2)|(1<<1)|(1);
rUFCON1=(2<<6)|(3<<4)|(1<<2)|(1<<1)|(1);
rULCON1 |= (1<<6); // IrDA mode
rUMCON1=0x0; // Disable Uart1 AFC
rGPCON_U = (rGPCON_U&~(3<<20))|(1<<20); // GP29(IrDA_SDBW) is output
rGPDAT &=~(1<<29); // IrDA_SDBW output is low
Uart_Printf("buadrate(D:115200) = ");
baudrate = Uart_GetIntNum();
if (baudrate = '\r')
rUBRDIV1 = (int)(PCLK/16./115200+0.5)-1;
else
rUBRDIV1 = (int)(PCLK/16./baudrate+0.5)-1;
Uart_Printf("UBRDIV = %d\n",rUBRDIV1);
Uart_Printf("\nKeep the connection between PC[COM1 or COM2] and UART0 of SMDK24A0!!! \n");
Uart_Printf("Start Rx first and then press any key to start Tx.....\n");
Uart_TxEmpty(1);
Uart_Getch();
rINTMSK=~(BIT_UART1);
rINTSUBMSK=~(BIT_SUB_TXD1);
while(!tx_end);
txdataPt=(volatile U8 *)UARTBUFFER;
for (i=0;i<AFC_BUFLEN;i++)
Uart_Printf("[%3d] ",*txdataPt++);
rINTMSK |= (BIT_UART1);
rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
rUFCON1=(3<<6)|(2<<4)|(1<<2)|(1<<1)|(0);
//Tx and Rx FIFO Trigger Level:12byte,Tx and Rx FIFO Reset,FIFO off
Uart_Printf("\nEnd Tx, transfer data count=%d\n",tx_cnt);
Uart_Port_Return();
}
void Test_Uart1_SIR_Rx(void)
{
int i, baudrate;
rx_cnt=0;
rx_end=0;
afc_err=0;
rxdataCk=(volatile U8 *)UARTBUFFER;
rxdataPt=(volatile U8 *)UARTBUFFER;
Uart_Port_Set();
Uart_Select(0);
Uart_Printf("Rx\n");
pISR_UART1=(unsigned) Uart1_AfcRxOrErr;
rULCON1=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON1 |= (1<<9)|(1<<8)|(1<<7)|(1<<6)|(0<<5)|(0<<4)|(1<<2)|(0);
//rUFCON1=(1<<6)|(11<<4)|(1<<2)|(1<<1)|(1);
rUFCON1=(2<<6)|(3<<4)|(1<<2)|(1<<1)|(1);
rULCON1 |= (1<<6); // IrDA mode
rUMCON1=0x0; // Disable Uart1 AFC
rGPCON_U = (rGPCON_U&~(3<<20))|(1<<20); // GP29(IrDA_SDBW) is output
rGPDAT &=~(1<<29); // IrDA_SDBW output is low
Uart_Printf("buadrate(D:115200) = ");
baudrate = Uart_GetIntNum();
if (baudrate = '\r')
rUBRDIV1 = (int)(PCLK/16./115200+0.5)-1;
else
rUBRDIV1 = (int)(PCLK/16./baudrate+0.5)-1;
Uart_Printf("UBRDIV = %d\n",rUBRDIV1);
Uart_Printf("\nKeep the connection between PC[COM1 or COM2] and UART0 of SMDK2440!!! \n");
Uart_Printf("Press any key to start Rx and then Star Tx....\n");
Uart_Getch();
// Clear Int Pending and Unmask
rSUBSRCPND=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
rINTSUBMSK=~(BIT_SUB_RXD1|BIT_SUB_ERR1);
ClearPending(BIT_UART1);
rINTMSK=~(BIT_UART1);
rUCON1 |= 1; // interrupt enable, Rx start
while(!rx_end)
{
if(Uart_GetKey())
break;
}
Uart_Printf("ISR count=%x\n",rx_cnt);
rINTMSK |= (BIT_UART1);
rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
rUFCON1=(3<<6)|(2<<4)|(1<<2)|(1<<1)|(0);
//Tx and Rx FIFO Trigger Level:12byte,Tx and Rx FIFO Reset,FIFO off
rxdataPt=(volatile U8 *)UARTBUFFER;
//Uart_Printf("rxdata=%3d\n",*rxdataPt);
for (i=0;i<AFC_BUFLEN;i++)
Uart_Printf("[%3d] ",++*rxdataPt);
Uart_Port_Return();
}
//added by junon
void Test_Uart_GPIO(void)
{
int i;
Uart_Port_Set();
// GPIO port test
rGPCON_U|=(1<<24)|(1<<22)|(1<<20)|(1<<18); // GP28~31 output
rGPCON_U&=~((1<<25)|(1<<23)|(1<<21)|(1<<19)); // GP28~31 output
rGPPU&=~(0xf<<28); //Uart port pull-up
Uart_Printf("Press Any key... if you want to exit, press Enter key");
while(Uart_Getch() != 0x0D)
rGPDAT &=~(0xf<<28);
/* {
i++;
i %= 2;
if ( i == 0 )
rGPDAT |= (0xf<<28);
else
rGPDAT &=~(0xf<<28);
}
*/
Uart_Port_Return();
}
void Test_Uart1_RxErr(void) // need two serial port cables.
{
U8 ch;
U8 cError;
Uart_Port_Set();
Uart_Select(0);
Uart_Printf("\nConnect PC[COM1 or COM2] and UART0 of SMDK2440 with a serial cable!!! \n");
Uart_Printf("In this case, Uart0 :debug port , Uart1 : test port\n");
Uart_Printf("Then, press any key........\n");
// Uart_Select(0); // Change the uart port
Uart_Getch();
while(1)
{
/*********** UART0 Rx test with interrupt ***********/
isRxInt=1;
uart1RxStr=(char *)UARTBUFFER;
Uart_Printf("\n[Uart channel 0 Rx Error Check]\n");
Uart_TxEmpty(0); //wait until tx buffer is empty.
rUFCON1=(1<<6)|(0<<4)|(1<<2)|(1<<1)|0; // FIFO disable
// for 2440A. add Frame error, Parity error, Break detect check.
Uart_Printf("\n1. Overrun Error check[D] 2. Frame error 3. Parity error \n");
cError = Uart_Getch();
if (cError== '2')
{
pISR_UART1 =(unsigned)Uart1_RxIntOrErr;
rULCON1=(0<<6)|(0<<3)|(0<<2)|(2); // Normal,No parity,One stop bit, 8bit
rUCON1 = (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(1<<6)|(0<<5)|(0<<4)|(1<<2)|(1);
//Clock,Tx:pulse,Rx:pulse,Rx timeout:x,Rx error int:o,Loop-back:x,Send break:x,Tx:int,Rx:int
}
else if (cError== '3')
{
pISR_UART1 =(unsigned)Uart1_RxIntOrErr;
rULCON1=(0<<6)|(5<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON1 = (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(1<<6)|(0<<5)|(0<<4)|(1<<2)|(1);
//Clock,Tx:pulse,Rx:pulse,Rx timeout:x,Rx error int:o,Loop-back:x,Send break:x,Tx:int,Rx:int
}
else
{
pISR_UART1 = (unsigned)Uart1_RxOverrunErr;
rULCON1=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON1 = (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(1<<6)|(0<<5)|(0<<4)|(1<<2)|(1);
//Clock,Tx:pulse,Rx:pulse,Rx timeout:x,Rx error int:o,Loop-back:x,Send break:x,Tx:int,Rx:int
Uart_Printf("1. Using FIFO 2. Not using FIFO[D] \n");
if (Uart_Getch() == '1')
{
rUFCON1 |= 1;
Uart_Printf("Press Any key as 65 times in UART0 terminal window..\n");
Uart_Printf("then Overrun error will be occured.. \n");
}
else
{
rUFCON1 &= ~1;
Uart_Printf("Press Any key as 2 times in UART0 terminal window..\n");
Uart_Printf("then Overrun error will be occured.. \n");
}
}
// Clear Int Pending and Unmask
rSUBSRCPND=(BIT_SUB_TXD1|BIT_SUB_RXD1|BIT_SUB_ERR1);
ClearPending(BIT_UART1);
rINTSUBMSK=~(BIT_SUB_RXD1|BIT_SUB_ERR1);
rINTMSK=~(BIT_UART1);
while(isRxInt);
// UART0 mask
rINTSUBMSK|=(BIT_SUB_TXD1|BIT_SUB_RXD1|BIT_SUB_ERR1);
rINTMSK|=(BIT_UART1);
rUFCON1 |= 3<<1; // fifo reset
Uart_Printf("1. One more 2. Exit[D] \n");
if (Uart_Getch() == '1') continue;
else break;
}
Uart_Port_Return();
}
void __irq Uart1_RxOverrunErr(void)
{
rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
if(rSUBSRCPND&BIT_SUB_ERR1)
{
__sub_Uart1_RxErrInt();
ClearPending(BIT_UART1);
rSUBSRCPND=(BIT_SUB_RXD1|BIT_SUB_ERR1); // Clear Sub int pending
return;
}
rINTSUBMSK&=~(BIT_SUB_RXD1|BIT_SUB_ERR1);
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -