STM32F103ZET6 ADC和DAC的DMA傳輸 LCD12864顯示

ID:293438 · 發(fā)表于 2019-7-20 08:28

老鐵們可以下載文件，這里不是很清楚

#include "lcd12864.h"
void LCD_12864_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); //使能PB,PE端口時(shí)鐘
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12; //LED0-->PB.5 端口配置
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽輸出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度為50MHz
GPIO_Init(GPIOA, &GPIO_InitStructure); //根據(jù)設(shè)定參數(shù)初始化GPIOB.5
GPIO_SetBits(GPIOA,GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12); //PB.5 輸出高
LCD_PSB_Clr();
lcd_write_cmd(0x30); //基本指令模式
lcd_delay(1);
lcd_write_cmd(0x0c); //開(kāi)顯示，關(guān)游標(biāo)，關(guān)反白
lcd_delay(1);
lcd_write_cmd(0x01); //清屏
lcd_delay(1);
}
/************lcd12864延時(shí)函數(shù)*********/
void lcd_delay (unsigned int xms)
{
unsigned int i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
/**********************************************************/
/*****---------發(fā)送一個(gè)字節(jié)*----------*******/
/**********************************************************/
void lcd_sent_beyt(unsigned char date)
{
unsigned char i=0;
for(i=0;i<8;i++)
{
if((date<<i)&0x80) LCD_SID_Set(); // SID=1
else LCD_SID_Clr(); //SID=0
LCD_SCLK_Clr();//SCLK=0
LCD_SCLK_Set();//SCLK=1
}
lcd_delay(1);
}
/**************************************************/
/*****-----寫(xiě)數(shù)據(jù)------*******/
/**************************************************/
void lcd_write_data(unsigned char date)
{
LCD_CS_Set();//CS=1;
lcd_sent_beyt(0xfa);
lcd_sent_beyt((date&0xf0));//高4位取出，低四位補(bǔ)0
lcd_sent_beyt((date<<4)&0xf0);//將所發(fā)送字節(jié)的低四位移到高四位，低四位自動(dòng)補(bǔ)0，然后將高四位取出
lcd_delay(1);//延時(shí)1ms 接收處理數(shù)據(jù)
LCD_CS_Clr();//CS=0
}
/**************************************************/
/****--------寫(xiě)命令---------****/
/**************************************************/
void lcd_write_cmd(unsigned char date)
{
LCD_CS_Set();
lcd_sent_beyt(0xf8);
lcd_sent_beyt(date&0xf0);
lcd_sent_beyt((date<<4)&0xf0);
lcd_delay(1);
LCD_CS_Clr();
}
/**************************************************/
/*******-----------坐標(biāo)函數(shù)-------------**********/
/**************************************************/
void LCD_XY(unsigned char X,unsigned char Y)
{
unsigned char pos;
if(X==0)
{X=0x80;}
else if(X==1)
{X=0x90;}
else if(X==2)
{X=0x88;}
else if(X==3)
{X=0x98;}
pos=X+Y;
lcd_write_cmd(pos);
}
void lcd_clr()
{
lcd_write_cmd(0x01); //清除LCD的顯示內(nèi)容
lcd_delay(1);
}
/*************************************************/
/*-------lcd12864初始化--------*/
/************************************************/
void init_12864(void)
{
LCD_PSB_Clr();
lcd_write_cmd(0x30); //基本指令模式
lcd_delay(1);
lcd_write_cmd(0x0c); //開(kāi)顯示，關(guān)游標(biāo)，關(guān)反白
lcd_delay(1);
lcd_write_cmd(0x01); //清屏
lcd_delay(1);
}
/************************************************/
/*---中英文字符串顯示函數(shù)----*/
/************************************************/
void writestring(unsigned char X,unsigned char Y,unsigned char *p)
{
LCD_XY(X,Y);
while(*p!='\0')
{
lcd_write_data(*p);
p++;
if(*p==';')
break;
}
}
/************************************************/
/*------字符串顯示函數(shù)------*/
/***********************************************/
void testring(unsigned char *p)
{
while(*p!='\0')
{
lcd_write_data(*p);
p++;
}
}
/*********************************************/
/*-------顯示函數(shù)---------*/
/***********************************************/
void xianshi(char X,char Y, unsigned int shu)
{
unsigned int i,j,k,l,n;
i=shu/10000;
j=(shu-10000*i)/1000;
k=(shu-10000*i-1000*j)/100;
l=(shu-10000*i-1000*j-100*k)/10;
n=shu%10;
LCD_XY(X,Y);
if(i!=0)lcd_write_data(i+0x30);
if((i!=0)||(j!=0))lcd_write_data(j+0x30);
if((i!=0)||(j!=0)||(k!=0))lcd_write_data(k+0x30);
if((i!=0)||(j!=0)||(k!=0)||(l!=0))lcd_write_data(l+0x30);
lcd_write_data(n+0x30);
testring(" ");
}
void xiaoshu(char x,char y,float num)
{
char aa[10];
sprintf(aa,"%1.2f",num);
writestring(x,y,aa);
}
//void xianshi_jiao(char X, char Y, int shu)
//{
// unsigned int i,j,k,l,n;
// if(shu>=0)
// {
// i=shu/10000;
// j=(shu-10000*i)/1000;
// k=(shu-10000*i-1000*j)/100;
// l=(shu-10000*i-1000*j-100*k)/10;
// n=shu%10;
// LCD_XY(X,Y);
// if(i!=0)lcd_write_data(i+0x30);
// if((i!=0)||(j!=0))lcd_write_data(j+0x30);
// if((i!=0)||(j!=0)||(k!=0))lcd_write_data(k+0x30);
// if((i!=0)||(j!=0)||(k!=0)||(l!=0))lcd_write_data(l+0x30);
// lcd_write_data(n+0x30);
// testring(" ");
// }
//
// else
// {
// shu=-shu;
// i=shu/10000;
// j=(shu-10000*i)/1000;
// k=(shu-10000*i-1000*j)/100;
// l=(shu-10000*i-1000*j-100*k)/10;
// n=shu%10;
// LCD_XY(X,Y);
// testring("-");
// if(i!=0)lcd_write_data(i+0x30);
// if((i!=0)||(j!=0))lcd_write_data(j+0x30);
// if((i!=0)||(j!=0)||(k!=0))lcd_write_data(k+0x30);
// if((i!=0)||(j!=0)||(k!=0)||(l!=0))lcd_write_data(l+0x30);
// lcd_write_data(n+0x30);
// testring(" ");
// }
//}

復(fù)制代碼

#include "sys.h"
#include "delay.h"
#include "usart.h"
#include "lcd12864.h"
#include "delay.h"
#include "led.h"
#include "dac.h"
#include "adc.h"
#include "timer.h"
#include "dma.h"
//#include "stdio.h"
extern __IO uint16_t ADC_ConvertedValue[102];
__IO uint16_t ADC_Value[3];
float ADC_ConvertedValueLocal[102];
float get_mV[3];
u16 DAC_Value[32]={2500,2500,2500,2500,2500,2500,2500,2500,1500,2500,
2600,2600,2600,2600,2600,2600,2600,2600,1600,2600,
2400,2400,2400,2400,2400,2400,2400,2400,2400,2440,
2500,2500};
void angler_mV()
{
int j;
static double sum=0;
for(j=0;j<100;j++)
{
sum+=ADC_ConvertedValue[j];
}
ADC_Value[0]=sum/100;
sum=0;
ADC_ConvertedValueLocal[0] = (float)ADC_Value[0]*(3.3/4096);//通道1數(shù)據(jù)采集
xiaoshu(0,0,ADC_ConvertedValueLocal[0]); //顯示采集的電壓
}
int main(void)
{
u16 c;
float d;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //中斷分組2 delay_init();
LCD_12864_Init(); //液晶初始化
LED_Init(); //LED燈初始化
TIM3_Int_Init(9,71);
GPIO_DAC1_Init(); //DAC初始化
ADC_INIT(); //ADC初始化
DAC_DMA_Config(DMA1_Channel3,(u32)&DAC->DHR12R1,(u32)DAC_Value,32);//DMA1通道3,
TIM3->DIER|=1<<8;
MYDMA_Enable(DMA1_Channel3);
while(1)
{
// Dac1_Set_Vol(2500); //設(shè)置2.5V
//
// DAC_SetChannel1Data(DAC_Align_12b_R, 2000);//設(shè)置DAC值
c=DAC_GetDataOutputValue(DAC_Channel_1);//讀取前面設(shè)置DAC的值
xianshi(1,4,c);
d=(float)c*(3.3/4096); //得到DAC電壓值
xiaoshu(1,0, d); //顯示采集的電壓
angler_mV();
// LED0=0;
// delay_ms(200);
// LED0=1;
// delay_ms(200);
}
}

復(fù)制代碼

全部資料51hei下載地址：

STM32 12864.7z (222.77 KB, 下載次數(shù): 104)

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STM32F103ZET6 ADC和DAC的DMA傳輸 LCD12864顯示

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