【正文】 T。// bUART(ndev, oUFCON) = 0。 //reset and configure fifo bUART(ndev, oUFCON) = UFCON_TX_REQ | UFCON_RX_REQ。 bUART(ndev, oUBRDIV) = div。 set_gpio_ctrl(Uart_def[ndev].rxio)。 div=( (int)(div/16/baudrate) 1 )。static const type_Uart_def Uart_def[]={{UART_TXD0, UART_RXD0, CLKCON_UART0}, {UART_TXD1, UART_RXD1, CLKCON_UART1}, {UART_TXD2, UART_RXD2, CLKCON_UART2}}。 unsigned int clkcon。 shifter register empty */define UTRSTAT_TX_EMP (1 1) /* Transmit buffer reg. is empty */define UTRSTAT_RX_RDY (1 0) /* Receive buffer reg. has data */define UERSTAT_BRK (1 3) /* Break receive */define UERSTAT_FRAME (1 2) /* Frame Error */define UERSTAT_PARITY (1 1) /* Parity Error */define UERSTAT_OVERRUN (1 0) /* Overrun Error */define UFSTAT_TX_FULL (1 9) /* Transmit FIFO is full */define UFSTAT_RX_FULL (1 8) /* Receive FIFO is full */define fUFSTAT_TX_CNT Fld(4,4) /* Number of data in Tx FIFO */define UFSTAT_TX_CNT FMsk(fUFSTAT_TX_CNT)define fUFSTAT_RX_CNT Fld(4,0) /* Number of data in Rx FIFO */define UFSTAT_RX_CNT FMsk(fUFSTAT_RX_CNT)define UMSTAT_dCTS (1 3) /* see Page 1116 */define UMSTAT_CTS (1 0) /* CTS(Clear to Send) signal */define UTXH_DATA 0x000000FF /* Transmit data for UARTn */define URXH_DATA 0x000000FF /* Receive data for UARTn */define UBRDIVn 0x0000FFFF /* Baud rate division value ( 0) *//* UBRDIVn = (int)(PCLK/(bsp * 16)1 or UBRDIVn = (int)(UCLK/(bsp * 16)1 */define UART_TXD0 GPIO_MODE_ALT0|GPIO_H2|GPIO_PULLUP_DISdefine UART_RXD0 GPIO_MODE_ALT0|GPIO_H3|GPIO_PULLUP_DISdefine UART_TXD1 GPIO_MODE_ALT0|GPIO_H4|GPIO_PULLUP_DISdefine UART_RXD1 GPIO_MODE_ALT0|GPIO_H5|GPIO_PULLUP_DISdefine UART_TXD2 GPIO_MODE_ALT0|GPIO_H6|GPIO_PULLUP_DISdefine UART_RXD2 GPIO_MODE_ALT0|GPIO_H7|GPIO_PULLUP_DIStypedef struct { unsigned int txio。H39。L39。//struct_Uart_Buffer Uart_Buffer[NumberOfArray(serial_drv)]。s3c2410_serial2_driver}。s3c2410_serial0_driver, amp。}***************************************************************************\ 說明: 驅(qū)動程序定義 添加串口驅(qū)動程序s3c2410_serialx_driver\***************************************************************************/include ../inc/include ../inc///include ../inc/include inc/include inc//***************************************************************************\ for serial drivers\***************************************************************************/extern serial_driver_t s3c2410_serial0_driver, s3c2410_serial1_driver, s3c2410_serial2_driver。 printk( PCLK = %d.%03d Mhz\n, PCLK / MEGA, PCLK % MEGA)。 printk(CPU clock = %d.%03d Mhz, FCLK / MEGA, FCLK % MEGA)。 HCLK = s3c2410_get_bus_clk(GET_HCLK)。 return (cal_bus_clk(cpu_clk, ratio, who))。}unsigned long s3c2410_get_bus_clk(int who){ unsigned long cpu_clk = s3c2410_get_cpu_clk()。 } }}/* * cpu clock = (((mdiv + 8) * FIN) / ((pdiv + 2) * (1 sdiv))) * FIN = Input Frequency (to CPU) */unsigned long s3c2410_get_cpu_clk(void){ unsigned long val = rMPLLCON。 case 2: case 3: return (cpu_clk/2)。 default: return 0。 case 1: case 2: return (cpu_clk/2)。 va_end(ap)。 vsprintf(string,fmt,ap)。 static char string[256]。 }}//if you don39。)。) Uart_SendByte(whichUart,39。}void Uart_SendString(int whichUart, char *pt){ while(*pt){ if(*pt==39。}int Uart_SendByte(int whichUart,int data){ if(whichUart=NumberOfUartDrv) return FALSE。define GETCH_LOOPFUNC_NUM (sizeof(Getch_loopfunc)/sizeof(serial_loop_func_t))int Uart_Init(int whichUart, int baud){ if(whichUart=NumberOfUartDrv) return FALSE。extern int NumberOfUartDrv。 printk(Maybe %d MIPS\n, curpc*delayLoopCount/400)。 // 1count64us, 200*400 cycle runtime = 64*i us delayLoopCount = 8000000/(i*64)。 } if(adjust) { rWTCON = ((PCLK/10000001)8)|(23)。i++)。 for(i=0。time0。 //resolution=64us any PCLK rWTCON = ((PCLK/10000001)8)|(23)|(15)。 rWTDAT = 0xffff。 delayLoopCount = 400。 int i,adjust=0, curpc。} /***************************************************************************\ 說明: C庫函數(shù)等定義添加udelay，微秒級延時(shí)函數(shù)\***************************************************************************/include ../inc///include ../inc/sys/include ../inc/include ../inc/include ../inc/include include include include include //SYSTEM///*************************************************************\ 100微秒級延時(shí)函數(shù) 參數(shù)time: 表示延時(shí)的時(shí)間,單位微秒。 // do target (uHAL based ARM system) initialisation // TchScr_init()。 } hudelay(1000)。 case TCHSCR_ACTION_MOVE: Uart_Printf(0,Action=move:x=%d,\ty=%d\n,x,y)。 case TCHSCR_ACTION_UP: Uart_Printf(0,Action=up:x=%d,\ty=%d\n,x,y)。 case TCHSCR_ACTION_DOWN: Uart_Printf(0,Action=down:x=%d,\ty=%d\n,x,y)。 case TCHSCR_ACTION_DBCLICK: Uart_Print