用汇编和C编写的，完成将UART通讯接收的数据在LCD上显示的功能，无解压密码.zip

//=============================================================== // // The information contained herein is the exclusive property of // Sunplus Technology Co. And shall not be distributed, reproduced, // or disclosed in whole in part without prior written permission. // // (C) COPYRIGHT 2001 SUNPLUS TECHNOLOGY CO. // ALL RIGHTS RESERVED // // The entire notice above must be reproduced on all authorized copies. // //============================================================== //============================================================ // 工程名称： UART&LCD&SPR4096.spj // 功能描述: 将UART通讯接收的数据在LCD上显示。 // 文件来源：《SPCE061A单片机实验指导书》,"实验三十七 UART控制液晶显示" 第132页 // IDE环境： SUNPLUS u'nSPTM IDE 1.8.4 // // 涉及的库： // 组成文件: // main.c hardware.asm 4096.asm isr.asm SPLC501DisplayTAB.asm SPLC501Hardware.asm Splc501sys.asm //=============================================== //============================================================ // 文件名称：main.c // 实现功能: 将UART通讯接收的数据在LCD上显示 //============================================================ extern void SP_SIOInitial(void); extern void SP_SIOMassErase(void); extern unsigned int SP_SIOReadAByte(unsigned long int g_ulAddr); extern void Init_sys(void); extern void FG_InitGraphic(void); void SP_UARTInitial(void); #define C_UARTBaudRate_9600_H 0x05 #define C_UARTBaudRate_9600_L 0x00 #define M_SECTOR 10 //第几个扇区（0～255） #include "SPCE061V004.H" #include "unSPMACRO.h" #include "lab_parameter.h" unsigned long ulStartAddr,ulEndAddr,g_ulAddr; unsigned int g_uiData,g_uiFlag,g_uiTimeOutCnt,g_uiHalfSecondCnt; //============================================================= // 函数名称: int main() // 功能描述: 将UART通讯接收的数据在LCD上显示 // 语法格式: int main() //入口参数: 无 // 出口参数: 无 // 注意事项: 仅为用户模型 //============================================================= main() { int X,Y; //X:横坐标 Y:纵坐标 unsigned char *ucStr1 = "UART Ready"; unsigned char *ucStr2 = "Receiving..."; unsigned char *ucStr3 = "Complete"; unsigned char *ucCode; SP_SIOInitial(); //SIO初始化 SP_UARTInitial(); //UART初始化 Init_sys(); //LCD初始化 FG_InitGraphic(); *P_INT_Ctrl = C_IRQ5_2Hz; //开2Hz中断，用来定时清看门狗 INT_IRQ(); // g_uiData = *P_IOB_Buffer; //IOB11:低电平，选择SPR4096的FLASH // g_uiData &= 0xf7ff; // *P_IOB_Data = g_uiData; ulStartAddr=0x800*(M_SECTOR); g_ulAddr = ulStartAddr; SP_SIOMassErase(); //对SPR4096的所有扇区进行擦除 ucCode = ucStr1; X = 120; Y = 40; FG_PutStr(ucCode,large,X,Y); //LCD显示ucStr1的内容 g_uiFlag=0; while(g_uiFlag==0); //等待接收到第一个数据 FG_ClearScreen(0); //LCD清屏 ucCode = ucStr2; X = 120; Y = 40; FG_PutStr(ucCode,large,X,Y); //LCD显示ucStr2的内容 g_uiTimeOutCnt = 0; while(g_uiFlag==1) //等待接收完毕 { g_uiTimeOutCnt++; if(g_uiTimeOutCnt >= 0xfffe) g_uiFlag = 2; } ulEndAddr = g_ulAddr; FG_ClearScreen(0); //LCD清屏 ucCode = ucStr3; X = 120; Y = 40; FG_PutStr(ucCode,large,X,Y); //LCD显示ucStr3的内容 FG_ClearScreen(0); //LCD清屏 g_ulAddr = ulStartAddr; for(X = 125,Y = 60;g_ulAddr < ulEndAddr;g_ulAddr++) { g_uiData=SP_SIOReadAByte(g_ulAddr); //从SPR4096读出一个Byte的数据 FG_PutChar(g_uiData,large,X,Y); //在LCD上显示该数据 X -= FG_GetCharWidth(g_uiData,large); if(X < 10) //换行 { X = 125; Y -= (2+FG_GetCharHeight(g_uiData,large)); } if(Y < FG_GetCharHeight(g_uiData,large)) //换屏 { X = 125; Y = 60; g_uiHalfSecondCnt = 0; while(g_uiHalfSecondCnt < 6); //延时 FG_ClearScreen(0); //LCD清屏 } } while(1); } //============================================================= // 函数名称: SP_UARTInitial() // 功能描述: UART初始化 // 语法格式: void SP_UARTInitial(void); // 入口参数: 无 // 出口参数: 无 // 注意事项: 无 //============================================================= void SP_UARTInitial(void) { *P_IOB_Dir |= 0x0400; //bit10设为输出（Tx）,bit7设为输入（Rx） *P_IOB_Dir &= 0xff7f; *P_IOB_Attrib |= 0x0480; *P_IOB_Buffer &= 0xfb7f; *P_UART_Command1 = C_UART_Reset; //UART复位 *P_UART_BaudScalarHigh = C_UARTBaudRate_9600_H; //波特率设为9600 *P_UART_BaudScalarLow = C_UARTBaudRate_9600_L; *P_UART_Command1 = C_UART_Rx_IRQ_ENB; //UART接收中断使能 *P_UART_Command2 = C_UART_Rx_Pin_ENB; //UART接收管脚使能 }