?? uart0.c
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rDCON0=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(1<<24)|(1<<23)|(1<<22)|(0<<20)|strlen((char*)uart0TxStr);
//handshake, sync PCLK, TC int, single tx, single service, Uart0, H/W request,auto-reload off, Byte size Tx, Tx count value
rINTMSK=~(BIT_DMA0);
rDMASKTRIG0=(0<<2)|(1<<1)|(0); //no-stop, DMA0 channel on, no-SW trigger
while(isDone);
/*********** UART0 Rx test with DMA0 ***********/
isDone=1;
uart0RxStr=(char *)UARTBUFFER;
Uart_Printf("\n[Uart channel 0 DMA0 Rx Test]\n");
Uart_Printf("Type any five keys!!!\n");
Uart_Printf("Then you will see what you typed.\n");
pISR_DMA0=(unsigned)Uart0_RxDmaDone;
pISR_UART0=(unsigned)Uart0_RxDmaOrErr;
rULCON0=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON0 &= 0x400; // For the PCLK <-> UCLK fuction
rUCON0 |= (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(1<<6)|(0<<5)|(0<<4)|(1<<2)|(2);
//Clock,Tx:Def,Rx:Def,Rx timeout:x,Rx error int:o,Loop-back:x,Send break:x,Tx:int,Rx:dma0
/***DMA0 init***/
rDISRC0=(U32)URXH0; // Start address
rDISRCC0=(1<<1)|(1); // APB,Fixed
rDIDST0=(U32)uart0RxStr; // Memory buffer Address
rDIDSTC0= (0<<1)|(0); // AHB,Increment
rDCON0=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(1<<24)|(1<<23)|(1<<22)|(0<<20)|(5);
//handshake, sync PCLK, TC int, single tx, single service, Uart0, H/W request,auto-reload off, Byte size Tx, Tx count value
// Clear Int Pending and Unmask
ClearPending(BIT_UART0);
rINTMSK=~(BIT_DMA0|BIT_UART0);
rSUBSRCPND=(BIT_SUB_TXD0|BIT_SUB_RXD0|BIT_SUB_ERR0);
rINTSUBMSK=~(BIT_SUB_ERR0);
rDMASKTRIG0=(0<<2)|(1<<1)|(0); //no-stop, DMA0 channel on, no-SW trigger
while(isDone);
Uart_Printf("%s\n",uart0RxStr);
Uart_Port_Return();
}
void __irq Uart0_TxFifo(void)
{
rINTSUBMSK|=(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0); // Just for the safety
while (!(rUFSTAT0 & 0x200) && (*uart0TxStr != '\0')) //until tx fifo full or end of string
WrUTXH0(*uart0TxStr++);
if(*uart0TxStr == '\0')
{
rINTMSK|=BIT_UART0;
rSUBSRCPND=BIT_SUB_TXD0; // Clear Sub int pending
ClearPending(BIT_UART0); // Clear master pending
}
else
{
ClearPending(BIT_UART0); // Clear master pending
rSUBSRCPND=BIT_SUB_TXD0; // Clear Sub int pending
rINTSUBMSK&=~(BIT_SUB_TXD0); // Unmask sub int
}
}
void __irq Uart0_RxFifoOrErr(void)
{
rINTSUBMSK|=(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
if(rSUBSRCPND&BIT_SUB_RXD0) __sub_Uart0_RxFifo();
else __sub_Uart0_RxErrInt();
ClearPending(BIT_UART0);
rSUBSRCPND=(BIT_SUB_RXD0|BIT_SUB_ERR0); // Clear Sub int pending
rINTSUBMSK&=~(BIT_SUB_RXD0|BIT_SUB_ERR0);
}
void __sub_Uart0_RxFifo(void)
{
while((rUFSTAT0&0x100)||(rUFSTAT0&0xf)) //During the Rx FIFO is not empty
{
rx_point++;
if(rx_point<5)
rx_filesize |= (RdURXH0()<<(8*(rx_point-1))); // First 4-bytes mean file size
else if(rx_point>(rx_filesize-2))
{
rx_dncs |= (RdURXH0()<<(8*(1-(rx_filesize-rx_point)))); //Last 2-bytes mean checksum.
if(rx_point==rx_filesize) rx_isdone=0;
}
else
rx_checksum+=RdURXH0();
}
}
void Test_Uart0_Fifo(void)
{
Uart_Port_Set();
Uart_Select(0);
/******* UART0 Tx FIFO test with interrupt ********/
Uart_Printf("[Uart channel 0 Tx FIFO Interrupt Test]\n");
Uart_TxEmpty(0); //wait until tx buffer is empty.
/* <Tx Trigger Level:8Byte> */
uart0TxStr="ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890->UART0 Tx FIFO interrupt(8byte) test is good!!!!\r\n";
pISR_UART0=(U32)Uart0_TxFifo;
rULCON0=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON0 &= 0x400; // For the PCLK <-> UCLK fuction
rUCON0 |= (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(0);
//Clock,Tx:Def,Rx:Def,Rx timeout:x,Rx error int:x,Loop-back:x,Send break:x,Tx:int,Rx:x
rUFCON0=(2<<6)|(1<<4)|(1<<2)|(1<<1)|(1);
//Tx and Rx FIFO Trigger Level:8byte,Tx and Rx FIFO Reset,FIFO on
rINTMSK=~(BIT_UART0);
rINTSUBMSK=~(BIT_SUB_TXD0);
Delay(500);
rUFCON0=(2<<6)|(1<<4)|(1<<2)|(1<<1)|(0);
//Tx and Rx FIFO Trigger Level:8byte,Tx and Rx FIFO Reset,FIFO off
/* <Tx Trigger Level:12Byte> */
uart0TxStr="ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890->UART0 Tx FIFO interrupt(12byte) test is good!!!!\r\n";
pISR_UART0=(unsigned)Uart0_TxFifo;
rULCON0=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON0 &= 0x400; // For the PCLK <-> UCLK fuction
rUCON0 |= (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(0);
//Clock,Tx:Def,Rx:Def,Rx timeout:x,Rx error int:x,Loop-back:x,Send break:x,Tx:int,Rx:x
rUFCON0=(3<<6)|(2<<4)|(1<<2)|(1<<1)|(1);
//Tx and Rx FIFO Trigger Level:12byte,Tx and Rx FIFO Reset,FIFO on
rINTMSK=~(BIT_UART0);
rINTSUBMSK=~(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
Delay(500);
rUFCON0=(3<<6)|(2<<4)|(1<<2)|(1<<1)|(0);
//Tx and Rx FIFO Trigger Level:12byte,Tx and Rx FIFO Reset,FIFO off
/******* UART0 Rx FIFO test with interrupt ********/
rx_dncs=0;
rx_point=0;
rx_isdone=1;
rx_filesize=0;
rx_checksum=0;
Uart_Printf("[Uart channel 0 Rx FIFO Interrupt Test]\n");
//----------------------------------------------------
pISR_UART0=(unsigned)Uart0_RxFifoOrErr;
rULCON0=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON0 &= 0x400; // For the PCLK <-> UCLK fuction
rUCON0 |= (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(1<<7)|(1<<6)|(0<<5)|(0<<4)|(1<<2)|(1);
//Clock,Tx:Def,Rx:Def,Rx timeout:o,Rx error int:o,Loop-back:x,Send break:x,Tx:int,Rx:int
rUFCON0=(1<<6)|(0<<4)|(1<<2)|(1<<1)|(1);
//Tx and Rx FIFO Trigger Level:4byte,Tx and Rx FIFO Reset,FIFO on
// Clear Int Pending and Unmask
ClearPending(BIT_UART0);
rINTMSK=~(BIT_UART0);
rSUBSRCPND=(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
rINTSUBMSK=~(BIT_SUB_RXD0|BIT_SUB_ERR0);
Uart_Printf("Download the target file[*.bin] by Uart0\n");
while(rx_isdone);
rINTMSK |= (BIT_UART0);
rINTSUBMSK|=(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
rUFCON0=(3<<6)|(2<<4)|(1<<2)|(1<<1)|(0);
//Tx and Rx FIFO Trigger Level:12byte,Tx and Rx FIFO Reset,FIFO off
if(rx_dncs==(rx_checksum&0xffff))
Uart_Printf("\nDownload test OK!!!\n");
else
Uart_Printf("\nError!!!\n");
Uart_Port_Return();
}
void __irq Uart0_AfcTx(void)
{
rINTSUBMSK|=(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
if(tx_cnt<AFC_BUFLEN)
{
Uart_Printf("%d,",*txdataPt);
WrUTXH0(*txdataPt++);
tx_cnt++;
ClearPending(BIT_UART0);
rSUBSRCPND=(BIT_SUB_TXD0);
rINTSUBMSK&=~(BIT_SUB_TXD0);
}
else
{
tx_end=1;
while(rUFSTAT0 & 0x2f0); //Until FIFO is empty
ClearPending(BIT_UART0);
rSUBSRCPND=(BIT_SUB_TXD0);
rINTMSK|=BIT_UART0;
}
}
void __irq Uart0_AfcRxOrErr(void)
{
rINTSUBMSK|=(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
if(rSUBSRCPND&BIT_SUB_RXD0) __sub_Uart0_RxAfc();
else __sub_Uart0_RxErrInt();
ClearPending(BIT_UART0);
rSUBSRCPND=(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
rINTSUBMSK&=~(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
}
void __sub_Uart0_RxAfc(void)
{
while( (rUFSTAT0 & 0x100) || ((rUFSTAT0 & 0xf) >0) )
{
*rxdataPt=rURXH0;
Uart_Printf("%d,",*rxdataPt++);
rx_cnt++;
}
if(rx_cnt == AFC_BUFLEN)
{
rx_end=1;
rINTMSK|=BIT_UART0;
}
}
void Test_Uart0_AfcTx(void)
{
int i;
tx_cnt=0;
tx_end=0;
txdataFl=(volatile U8 *)UARTBUFFER;
txdataPt=(volatile U8 *)UARTBUFFER;
for(i=0;i<AFC_BUFLEN;i++) *txdataFl++=i; // Initialize the AFC data
Uart_Port_Set();
Uart_Select(0);
Uart_Printf("[Uart channel 0 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");
Uart_Printf("\nConnect PC[COM1 or COM2] and UART1 of SMDK2410 with a serial cable!!! \n");
Uart_Printf("Then, press any key........\n");
Uart_Select(1); // Change the uart port
Uart_Getch();
Uart_Printf("Start Rx first and then press any key to start Tx.....\n");
Uart_Getch();
pISR_UART0=(unsigned) Uart0_AfcTx;
rULCON0=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON0 &= 0x400; // For the PCLK <-> UCLK fuction
rUCON0 |= (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
rUFCON0=(1<<6)|(0<<4)|(1<<2)|(1<<1)|(1);
//Tx and Rx FIFO Trigger Level:4byte,Tx and Rx FIFO Reset,FIFO on
rUMCON0=0x10; // Enable Uart0 AFC
rINTMSK=~(BIT_UART0);
rINTSUBMSK=~(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
while(!tx_end);
rINTSUBMSK|=(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
rUFCON0=(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_Printf("\nConnect PC[COM1 or COM2] and UART0 of SMDK2410 with a serial cable!!! \n");
Uart_Printf("Then, press any key........\n");
Uart_Select(0);
Uart_Getch();
Uart_Port_Return();
}
void Test_Uart0_AfcRx(void)
{
unsigned int i;
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("[Uart channel 0 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");
Uart_Printf("\nConnect PC[COM1 or COM2] and UART1 of SMDK2410 with a serial cable!!! \n");
Uart_Printf("Then, press any key........\n");
Uart_Select(1); // Change the uart port
Uart_Getch();
Uart_Printf("Press any key to start Rx and then Star Tx....\n");
Uart_Getch();
pISR_UART0=(unsigned) Uart0_AfcRxOrErr;
rULCON0=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON0 &= 0x400; // For the PCLK <-> UCLK fuction
rUCON0 |= (1<<9)|(1<<8)|(1<<7)|(1<<6)|(0<<5)|(0<<4)|(1<<2)|(1);
//Clock,Tx:Lev,Rx:Lev,Rx timeout:o,Rx error int:o,Loop-back:x,Send break:x,Tx:o,Rx:o
rUFCON0=(1<<6)|(0<<4)|(1<<2)|(1<<1)|(1);
//Tx and Rx FIFO Trigger Level:4byte,Tx and Rx FIFO Reset,FIFO on
rUMCON0=0x10; // Enable Uart0 AFC
rINTMSK=~(BIT_UART0);
rINTSUBMSK=~(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
while(!rx_end);
rINTSUBMSK|=(BIT_SUB_RXD0|BIT_SUB_TXD0|BIT_SUB_ERR0);
rUFCON0=(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 Rx, receive data count=%d\n",rx_cnt);
for(i=0;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_Printf("\nConnect PC[COM1 or COM2] and UART0 of SMDK2410 with a serial cable!!! \n");
Uart_Printf("Then, press any key........\n");
Uart_Select(0);
Uart_Getch();
Uart_Port_Return();
}
//---------------------------------------UART0 test function-------------------------------------
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