单片机实验语言dma传输

DMA传输实 SIIOT-SYX-0100物联网综合教1SIIOT-EMU1USB2【实验CC2530（DMA。该控制器可以被用来合理的进行。DMADMA在ADC和内存之间周期性地传输数据等。打开开始”菜单-〉“程序”-〉IARSystem-〉IAREmbeddedWorkbenchforMCS-51Evaluation->IAREmbeddedWordbench。使用IAR开发环境首先应建立一个新的工作区。在一个工作区中可创建一个或多个工程。用户打开IAREmbeddedWorkbench时，已经建好了一个工作区，也可选择FileProjectGreateNewProject（releaseFile\Save\Workspace,给工作区命名如“workspace11”，并指明存放路径。Project\AddFile,或者在工作区窗口中工程名上点击右键，在弹出的快捷*文件名称：ADC(Single功源编号描*文件名称：ADC(Single功源编号描 者 期：2012-10-/*包含头文件#include"ioCC2530.h" #include lcd#include"stdio.h" #include"String.h" //C语言字符串库的头文件/*定义DMA配置参数数据结构类型#pragmabitfields=reversedtypedef{ WORDSIZE 7/8bitsPRIORITY}#pragmabitfields=default/*定义枚举类型 函数名称 能：软件延时。延时指定的微秒数入口参数：usec延时参数，值越大延时时间越长，单位 意：此函数高度依赖於MCU架构和编译#pragmaoptimize=nonevoiddelayUS(unsignedshort{usec>>=1;while(usec--{}}函数名称 能：软件延时。延时指定的毫秒数入口参数：msec延时参数，值越大延时时间越长，单位 意：此函数高度依赖於MCU架构和编译#pragmaoptimize=nonevoiddelayMS(unsignedshort{}函数名称 能：选择系统时钟源(主时钟源入口参数XOSC_32MHz32MHz 16MHzRCvoidSystemClockSourceSelect(enumSYSCLK_SRCsource){unsignedcharosc32k_bm=CLKCONCMD&0x80;unsignedchar clkconcmd,clkconsta;系统时钟源(主时钟源)选择16MHzRC振荡器，定时器tick设置为时钟速度设置为 32KHz时钟源选择保持先前设置CLKCONCMD.OSC[b6]=1 CLKCONCMD.TICKSPD[b5..b3]001tick设置为16MHzCLKCONCMD.CLKSPD[b2..b0]=001时钟速度设置为16MHzif(source== /*CLKCONCMD.OSC32K[b7]CLKCONCMD=((osc32k_bm)|/*CLKCONCMD.OSC[b6]=1*/(0x01<<6)|\/*CLKCONCMD.TICKSPD[b5..b3]=001*/(0x01<<3)|\/*CLKCONCMD.CLKSPD[b2..b0]=001*/(0x01<<0));}时钟速度设置为 CLKCONCMD.OSC[b6]=0

CLKCONCMD.TICKSPD[b5..b3]000tick设置为32MHzCLKCONCMD.CLKSPD[b2..b0]=000时钟速度设置为32MHzelseif(source=={CLKCONCMD=(osc32k_bm/*|(0x00<<6)|(0x00<<3)|(0x00<<}/*等待所选择的系统时钟源(主时钟源)稳定clkconcmd=CLKCONCMD; {clkconsta }while(clkconsta!= }

函数名称 能：main函数入voidmain(void){ /*P0.4*/P0INP|=0x10;/*设置P0口为上拉P2INP|=(0x01<< //清屏/*在LCD上显示相关信息HalLcdWriteString("CC253xDMATransfer",HAL_LCD_LINE_1);HalLcdWriteString("K9toStart",HAL_LCD_LINE_2);/*定义DMA配置数据结构体变量*//*DMA源地址空间并初始化为将被DMA*/unsignedcharsrcStr[]="StringtobeDMAtransfer.";/*定义DMA目标地址空间unsignedchar/*LCD上显示DMA*/chars[31];sprintf(s,"SrcAdd:0x%04X",(unsignedshort)(&srcStr));HalLcdWriteString((char*)s,HAL_LCD_LINE_3);sprintf(s,"DstAdd:0x%04X",(unsignedshort)(&destStr));HalLcdWriteString((char*)s,HAL_LCD_LINE_4);memset(destStr,0,sizeof(destStr));DMA/*设置DMA配置参数/*源地址dmaCH.SRCADDRH=(unsignedchar)(((unsignedshort)(&srcStr))>>8);dmaCH.SRCADDRL=(unsignedchar)(((unsignedshort)(&srcStr))&/*目标地址dmaCH.DESTADDRL=(unsignedchar)(((unsignedshort)(&destStr))&/*可变长度模式选择dmaCH.VLEN= DMA/*传输长度dmaCH.LENH=(unsignedchar)(((unsignedshort)(sizeof(srcStr)))dmaCH.LENL=(unsignedchar)(((unsignedshort)(sizeof(srcStr)))/*字节/字模式选择*/dmaCH.WORDSIZE=0x00; /*传输模式选择dmaCH.TMODE= /*触发源选择dmaCH.TRIG= DMAREQ/*源地址增量dmaCH.SRCINC= 1/*目标地址增量dmaCH.DESTINC= 1/*中断使能dmaCH.IRQMASK= DMA/*M8dmaCH.M8= 1个字节为8/*优先级设置*/dmaCH.PRIORITY0x02;//高级/*使用DMA通道0DMA0CFGH=(unsignedchar)(((unsignedshort)(&dmaCH))>>8);DMA0CFGL=(unsignedchar)(((unsignedshort)(&dmaCH))&0x00FF);/*DMA通道0*/DMAARM=0x01;/*DMA*/DMAIRQ=0x00;while(P0_4==1);/*DMA*/DMAREQ=0x01;/*等待DMA传输完成*/while((DMAIRQ&0x01)0);/*DMA*/unsignedchari,errors=0;{if(srcStr[i]!=destStr[i])}/*LCD上显示DMA*/{HalLcdWriteString("TransferError",HAL_LCD_LINE_5);}{}}文件名称 能：LCD驱使用硬件SPI总线驱动128*64点阵图形液晶（MzLH04- 者 期：2009-09-/*包含头文件#include"LCD.h"#ifndef#defineBV(n) (1<<(n))/*防止编译器报错#define do{x}while( ==-/*LCD管脚宏定义#define #define #define #define #define #define #define #define #define #define /*SPI配置#defineHAL_SPI_CLOCK_POL_LO0x00#defineHAL_SPI_CLOCK_POL_HI0x80#defineHAL_SPI_CLOCK_PHA_00x00#defineHAL_SPI_CLOCK_PHA_10x40#defineHAL_SPI_TRANSFER_MSB_LAST0x00#defineHAL_SPI_TRANSFER_MSB_FIRST/*LCD显示定义6/*字体设置#define #define #defineFUNCTION_SET(options) /*设置显示开始行#define #define #define #define /*IO设置#defineHAL_IO_SET(port,pin,val) #defineHAL_IO_SET_PREP(port,pin, st(P##port##_##pin##=val;/*设置IO输出#defineHAL_CONFIG_IO_OUTPUT(port,pin,val)HAL_CONFIG_IO_OUTPUT_PREP(port,pin,val)#defineHAL_CONFIG_IO_OUTPUT_PREP(port,pin,val)st(P##port##SEL~BV(pin);P##port##_##pin##=val;BV(pin);/*设置IO为功能端口#defineHAL_CONFIG_IO_PERIPHERAL(port,pin)HAL_CONFIG_IO_PERIPHERAL_PREP(port,pin)

P##port##DIR#defineHAL_CONFIG_IO_PERIPHERAL_PREP(port,pin)st(P##port##SEL|=BV(pin);)/*SPI接口控制#defineLCD_SPI_BEGIN() HAL_LCD_CS_PIN,0);#define\{\\\\HAL_IO_SET(HAL_LCD_CS_PORT,HAL_LCD_CS_PIN,1);/*chipselect\}/*清空接收和发送字节状态，往缓冲区里写入发送数据，等待传输完成*/#defineLCD_SPI_TX(x) {U1CSR&=~(BV(2)|BV(1));U1DBUF=x;while(!(U1CSR&BV(1)));#defineLCD_SPI_WAIT_RXRDY(){while(!(U1CSR&BV(1)));/*LCD复位#defineLCD_ACTIVATE_RESET()HAL_IO_SET(HAL_LCD_RESET_PORT,HAL_LCD_RESET_PIN,0);#defineLCD_RELEASE_RESET() HAL_LCD_RESET_PIN,1);/*本地函数声明#if(HAL_LCD==voidvoidHalLcd_HW_WaitUs(unsignedinti);voidHalLcd_HW_Clear(void);voidHalLcd_HW_SetBackLight(unsignedcharDeg)voidHalLcd_HW_FontCharSet(unsignedcharFont_NUM,unsignedcharColor);voidHalLcd_HW_FontMode(unsignedcharCover,unsignedcharColor);voidHalLcd_HW_Control(unsignedcharcmd);voidHalLcd_HW_Write(unsignedcharx,unsignedchary,unsignedchara);voidHalLcd_HW_WriteChar(unsignedcharline,unsignedcharcol,voidHalLcd_HW_WriteLine(unsignedcharline,constchar*pText);函数名称 能：LCD初始voidHalLcdInit(void){#if(HAL_LCD==}函数名称 能：写一串字符到入口参数 被写入的字符optionvoidHalLcdWriteString(char*str,unsignedcharoption){HalLcd_HW_WriteLine(option,}#if(HAL_LCD==函数名称 能：LCD显示IO配staticvoidhalLcd_ConfigIO(void){HAL_CONFIG_IO_OUTPUT(HAL_LCD_RESET_PORT,HAL_LCD_RESET_PIN,HAL_CONFIG_IO_OUTPUT(HAL_LCD_CS_PORT,HAL_LCD_CS_PIN,}函数名称 能：LCD显示SPI总线配staticvoidhalLcd_ConfigSPI(void){unsignedcharbaud_exponent;unsignedcharPERCFG|= //配置SPI为/*配置CLKMOSI等IO口*/ HAL_CONFIG_IO_PERIPHERAL(HAL_LCD_MISO_PORT,/*SPI1MHz(系统时钟为32MHz)*/baud_exponent=14;baud_mantissa /*配置SPI总线各项具体参数*/U1UCR=0x80;//FlushIDLE状态U1CSR&=~0xA0;//SPI主模式U1GCR=HAL_SPI_TRANSFER_MSB_FIRST|HAL_SPI_CLOCK_PHA_1HAL_SPI_CLOCK_POL_HI|baud_exponent;U1BAUD=baud_mantissa;}函数名称 能：LCD硬件初始voidHalLcd_HW_Init(void){halLcd_ConfigIO();LCDIO口halLcd_ConfigSPI();//初始化SPI口/*复位LCD*/HalLcd_HW_SetBackLight(0);//设置背光强度 //清屏}函数名称 能：LCD硬件写入控入口参数 写入的命令或者数voidHalLcd_HW_Control(unsignedcharcmd){}函数名称 能：在xy地址上写入数入口参数 x地 voidHalLcd_HW_Write(unsignedcharx,unsignedchary,unsignedchara){LCD_SPI_BEGIN();//SS置低电平FUNCTION_SET(0x07);//传送指令0x07FUNCTION_SET(x);//要显示字符的左上角的X轴位置FUNCTION_SET(y);//要显示字符的左上角的Y轴位置FUNCTION_SET(a);//要显示字符ASCII字符的ASCII码值 }函数名称 能：LCD硬件清voidHalLcd_HW_Clear(void){LCD_SPI_BEGIN();//SS置低电平FUNCTION_SET(0x80);0x80 }*函数名称 能：设置背光亮度等入口参数：Deg亮度等级voidHalLcd_HW_SetBackLight(unsignedcharDeg){FUNCTION_SET(0x8A);//传送指令0x8A }函数名称 能：ASCII字符字体设入口参数：Font_NUM voidHalLcd_HW_FontCharSet(unsignedcharFont_NUM,unsignedcharColor){unsignedcharucTemp=0;ucTemp=(Font_NUM<<4)|Color;LCD_SPI_BEGIN();//SS置低电平FUNCTION_SET(0x81);0x81 }函数名称 能：设置字符显示覆盖模入口参数：Cover字符覆盖模式设置，0或 voidHalLcd_HW_FontMode(unsignedcharCover,unsignedchar{unsignedcharucTemp=0;ucTemp=(Cover<<4)|Color;LCD_SPI_BEGIN();//SS置低电平FUNCTION_SET(0x89);//传送指令0x89FUNCTION_SET(ucTemp);//发送设置值 }函数名称 能：显示ASCII码字入口参数：line voidHalLcd_HW_WriteChar(unsignedcharline,unsignedcharcol,char{if(col<{HalLcd_HW_Write(col*LCD_X_WITCH,(line-1)*LCD_Y_WITCH,}{}}函数名称 能：LCD显示一行字符入口参数：linepTextvoidHalLcd_HW_WriteLine(unsignedcharline,constchar*pText){unsignedcharunsignedchartotalLength=(unsignedchar)strlen((char/*首先写入字符for(count=0;count<totalLength;{HalLcd_HW_WriteChar(line,count,}/*在尾部写入空白for(count=totalLength;{HalLcd_HW_WriteChar(line,count,'}}函数名称 能：LCD延时函入口参数：microSecsvoidHalLcd_HW_WaitUs(unsignedintmicroSecs){while(microSecs--{/*32NOP为1微妙asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");}}文件名称 能：LCD驱使用硬件SPI总线驱动128*64点阵图形液晶（MzLH04- 者 期：2009-09-#ifndefHAL_LCD_H#define extern"C"{/*包含头文件#include/*L