?? uart2.c
字號:
//Clock,Tx:Def,Rx:Def,Rx timeout:x,Rx error int:x,Loop-back:x,Send break:x,Tx:int,Rx:int
Uart_TxEmpty(1); //wait until tx buffer is empty.
rINTMSK=~(BIT_UART2);
rINTSUBMSK=~(BIT_SUB_TXD2);
while(isTxInt);
/*********** UART2 Rx test with interrupt ***********/
isRxInt=1;
uart2RxStr=(volatile char *)UARTBUFFER;
Uart_Printf("\n[Uart channel 2 Rx Interrupt Test]:\n");
Uart_Printf("After typing ENTER key, you will see the characters which was typed by you.");
Uart_Printf("\nTo quit, press ENTER key.!!!\n");
pISR_UART2 =(unsigned)Uart2_RxIntOrErr;
rULCON2=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON2 |= (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
// Clear Int Pending and Unmask
ClearPending(BIT_UART2);
rINTMSK=~(BIT_UART2);
rSUBSRCPND=(BIT_SUB_RXD2|BIT_SUB_ERR2);
rINTSUBMSK=~(BIT_SUB_RXD2|BIT_SUB_ERR2);
while(isRxInt);
rINTSUBMSK|=(BIT_SUB_RXD2|BIT_SUB_TXD2|BIT_SUB_ERR2);
rINTMSK|=(BIT_UART2);
Uart_Printf("%s\n",(char *)UARTBUFFER);
//----------------------------------------------------------------------------------------->
Uart_Printf("Jumper Setting <======> J16: 2-3, J18:2-3");
Uart_Printf("\nConnect PC[COM1 or COM2] and UART1 of SMDK2440 with a serial cable!!! \n");
Uart_Printf("Then, press any key........\n");
Uart_Select(1);
Uart_Getch();
//--------------------------->
#endif
Uart_Port_Return();
}
void Test_Uart2_Dma(void)
{
Uart_Port_Set();
// Additional configuration for UART2 port
//rGPHCON&=0x3fafff; // TXD2,RXD2
Uart_Select(1);
/*********** UART2 Tx test with DMA3 ***********/
isDone=1;
uart2TxStr="ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890->UART2 Tx Test by DMA3 is good!!!!\r\n";
Uart_Printf("\n[Uart channel 2 DMA3 Tx Test]\n");
Uart_TxEmpty(1);
//-------------------------------------------------------------------------------------------->
Uart_Printf("Jumper Setting <======> J17:2-3, J19:2-3, J16: 1-2, J18:1-2");
Uart_Printf("\nConnect PC[COM1 or COM2] and UART2 of SMDK2440 with a serial cable!!! \n");
Uart_Printf("Then, press any key........\n");
Uart_Select(2); // Change the uart port
Uart_Getch();
Uart_Printf("Port is changed.......\n");
//----------------------------------------->
pISR_DMA3 =(unsigned)Uart2_TxDmaDone;
rULCON2=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON2 = (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(0<<6)|(0<<5)|(0<<4)|(2<<2)|(1);
//Clock,Tx:Def,Rx:Def,Rx timeout:x,Rx error int:x,Loop-back:x,Send break:x,Tx:dma3,Rx:int
/***DMA3 init***/
rDISRC3=(U32)uart2TxStr; // Start address
rDISRCC3=(0<<1)|(0); // AHB,Increment
rDIDST3=(U32)UTXH2; // Memory buffer Address
rDIDSTC3=(1<<1)|(1); // APB,Fixed
rDCON3=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(0<<24)|(1<<23)|(1<<22)|(0<<20)|strlen((char*)uart2TxStr);
//handshake, sync PCLK, TC int, single tx, single service, Uart2, H/W request,auto-reload off, Byte size Tx, Tx count value
rINTMSK=~(BIT_DMA3);
rDMASKTRIG3=(0<<2)|(1<<1)|(0); //no-stop, DMA3 channel on, no-SW trigger
while(isDone);
/*********** UART2 Rx test with DMA3 ***********/
isDone=1;
uart2RxStr=(char *)UARTBUFFER;
Uart_Printf("\n[Uart channel 2 DMA3 Rx Test]\n");
Uart_Printf("Type any five keys!!!\n");
Uart_Printf("Then you will see what you typed.\n");
pISR_DMA3=(unsigned)Uart2_RxDmaDone;
pISR_UART2=(unsigned)Uart2_RxDmaOrErr;
rULCON2=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON2 &= 0x400; // For the PCLK <-> UCLK fuction
rUCON2 |= (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:dma3
/***DMA3 init***/
rDISRC3=(U32)URXH2; // Start address
rDISRCC3=(1<<1)|(1); // APB,Fixed
rDIDST3=(U32)uart2RxStr; // Memory buffer Address
rDIDSTC3= (0<<1)|(0); // AHB,Increment
rDCON3=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(0<<24)|(1<<23)|(1<<22)|(0<<20)|(5);
//handshake, sync PCLK, TC int, single tx, single service, Uart2, H/W request,auto-reload off, Byte size Tx, Tx count value
// Clear Int Pending and Unmask
ClearPending(BIT_UART2);
rINTMSK=~(BIT_DMA3|BIT_UART2);
rSUBSRCPND=(BIT_SUB_RXD2|BIT_SUB_TXD2|BIT_SUB_ERR2);
rINTSUBMSK=~(BIT_SUB_ERR2);
rDMASKTRIG3=(0<<2)|(1<<1)|(0); //no-stop, DMA3 channel on, no-SW trigger
while(isDone);
Uart_Printf("%s\n",uart2RxStr);
//----------------------------------------------------------------------------------------->
Uart_Printf("Jumper Setting <======> J16: 2-3, J18:2-3");
Uart_Printf("\nConnect PC[COM1 or COM2] and UART1 of SMDK2440 with a serial cable!!! \n");
Uart_Printf("Then, press any key........\n");
Uart_Select(1);
Uart_Getch();
//--------------------------->
Uart_Port_Return();
}
void Test_Uart2_Fifo(void)
{
Uart_Port_Set();
// Additional configuration for UART2 port
//rGPHCON&=0x3fafff; // TXD2,RXD2
Uart_Select(1);
/******* UART2 Tx FIFO test with interrupt ********/
Uart_Printf("[Uart channel 2 Tx FIFO Interrupt Test]\n");
Uart_TxEmpty(1); //wait until tx buffer is empty.
//-------------------------------------------------------------------------------------------->
Uart_Printf(" Jumper Setting <======> J17:2-3, J19:2-3, J16: 1-2, J18:1-2");
Uart_Printf("\nConnect PC[COM1 or COM2] and UART2 of SMDK2440 with a serial cable!!! \n");
Uart_Printf("Then, press any key........\n");
Uart_Select(2); // Change the uart port
Uart_Getch();
//----------------------------------------->
/* <Tx Trigger Level:8Byte> */
uart2TxStr="ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890->UART2 Tx FIFO interrupt(8byte) test is good!!!!\r\n";
pISR_UART2=(U32)Uart2_TxFifo;
rULCON2=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON2 |= (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1);
//Clock,Tx:Def,Rx:Def,Rx timeout:x,Rx error int:x,Loop-back:x,Send break:x,Tx:int,Rx:int
rUFCON2=(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_UART2);
rINTSUBMSK=~(BIT_SUB_TXD2);
Delay(500);
rUFCON2=(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> */
uart2TxStr="ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890->UART2 Tx FIFO interrupt(12byte) test is good!!!!\r\n";
pISR_UART2=(unsigned)Uart2_TxFifo;
rULCON2=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON2 |= (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1);
//Clock,Tx:Def,Rx:Def,Rx timeout:x,Rx error int:x,Loop-back:x,Send break:x,Tx:int,Rx:int
rUFCON2=(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_UART2);
rINTSUBMSK=~(BIT_SUB_TXD2);
Delay(500);
rUFCON2=(3<<6)|(2<<4)|(1<<2)|(1<<1)|(0);
//Tx and Rx FIFO Trigger Level:12byte,Tx and Rx FIFO Reset,FIFO off
/******* UART2 Rx FIFO test with interrupt ********/
rx_dncs=0;
rx_point=0;
rx_isdone=1;
rx_filesize=0;
rx_checksum=0;
Uart_Printf("[Uart channel 2 Rx FIFO Interrupt Test]\n");
pISR_UART2=(unsigned)Uart2_RxFifoOrErr;
rULCON2=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit
rUCON2 |= (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
rUFCON2=(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_UART2);
rINTMSK=~(BIT_UART2);
rSUBSRCPND=(BIT_SUB_RXD2|BIT_SUB_TXD2|BIT_SUB_ERR2);
rINTSUBMSK=~(BIT_SUB_RXD2|BIT_SUB_ERR2);
Uart_Printf("Download the target file[*.bin] by Uart2\n");
while(rx_isdone);
rINTMSK |= (BIT_UART2);
rINTSUBMSK|=(BIT_SUB_RXD2|BIT_SUB_TXD2|BIT_SUB_ERR2);
rUFCON2=(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_Printf("Jumper Setting <======> J16: 2-3, J18:2-3");
Uart_Printf("\nConnect PC[COM1 or COM2] and UART1 of SMDK2440 with a serial cable!!! \n");
Uart_Printf("Then, press any key........\n");
Uart_Select(1);
Uart_Getch();
//--------------------------->
Uart_Port_Return();
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -