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#include "delay.h"
#include "sys.h"
#include "lcd.h"
#include "usart.h"
#include "math.h"
#include "AD&DA.h"
#include "Tim.h"
/***************Write By XHJ******************/
u16 AD_Buffer_Rx[8];
__IO uint64_t IC2Value = 0;
__IO uint64_t DutyCycle = 0;
__IO uint64_t Frequency = 0;
__IO uint64_t IC1Value = 0;
__IO uint64_t DutyCycle1 = 0;
__IO uint64_t Frequency1 = 0;
uint64_t capture_Times,A,SHI,GE;
uint64_t total_Time,total_Time1;
uint64_t low_Time,low_Time1;
u32 SIN_LUT_index = 0;
u32 Cnt_Dir = 0;
double Sin_Lut[360]= {0};
double Sin_Lut2[360]= {0};
double Sin_Lut3[360]= {0};
u8 LowRangeFlag= 0;
u8 HighRangeFlag= 0;
u16 SetUpPara= 1;
u16 amp = 1000;
u16 fqc = 5; //fqc為正弦調(diào)幅波頻率的1/10，單位Hz。
u16 fz = 15; //fz為載波頻率，單位kHz。
u16 fe=10,flag=0,psc;
u16 count=0; //計(jì)數(shù)值
uint8_t TxBuffer1[] = "USART Interrupt Example: This is USART1 DEMO";
uint8_t RxBuffer1[],rec_f,tx_flag,RxCounter1;
#define PWMSetUpMax 2000
/***********初始化生成sin數(shù)組****************/
void SPWM_Init( void )
{
u16 i;
for( i=0; i<360; i++) //A
{
Sin_Lut[i] = 100*cos(2*3.1415926*i/360.0);
}
for( i=0; i<360; i++) //B
{
Sin_Lut2[i] = 100*cos(2*3.1415926*(i-120)/360.0);
}
for( i=0; i<360; i++) //C
{
Sin_Lut3[i] = 100*cos(2*3.1415926*(i+120)/360.0);
}
}
int main(void)
{
int i=1000;
delay_init(); //延時(shí)函數(shù)初始化
SPI1_Init(); //LCD SPI1初始化(包含各種時(shí)鐘初始化)
//uart3_init(9600); //串口初始化為9600
LCD_MyInit(); //LCD 初始化
SPI_Configuration(); //AD DA配置初始化 SPI2和GPIO
POINT_COLOR=RED;//設(shè)置字體為紅色
BACK_COLOR=WHITE;//背景白色
DAC7565_Init(); //DA初始化
//SPWM_Init( ); //sin數(shù)組初始化
//TIM_Configuration(); //定時(shí)器及中斷向量配置
//TIM_Cmd(TIM1,ENABLE); //打開定時(shí)器1
/* TIM1 Main Output Enable */
//TIM_CtrlPWMOutputs(TIM1, ENABLE);
//TIM_Cmd(TIM2,ENABLE); //打開定時(shí)器2
//TIM_Cmd(TIM3,ENABLE); //打開定時(shí)器3
//TIM_Cmd(TIM4,ENABLE); //打開定時(shí)器4
//設(shè)定AD值
Set_DAValue(0,4000);
Set_DAValue(1,3062);
Set_DAValue(2,2048);
Set_DAValue(3,1024);
while(1)
{
i++;
AD_Convert(); //AD轉(zhuǎn)換
LCD_ShowNum(0,0,AD_Buffer_Rx[0],5,16); //顯示AD值
LCD_ShowNum(0,100,AD_Buffer_Rx[1],5,16);
LCD_ShowNum(0,200,AD_Buffer_Rx[2],5,16);
LCD_ShowNum(0,300,AD_Buffer_Rx[3],5,16);
delay_ms(500);
Set_DAValue(0,2000);
// psc=648648/fe;
// TIM1->PSC=psc; //預(yù)分頻設(shè)置
// if(flag==0)
// {
// fe+=10;
// if(fe>=30000){flag=1;}
// }
// if(flag==1)
// {
// fe-=10;
// if(fe<=10){flag=0;}
// }
// count=TIM2->CNT;
}
}
/***********T2中斷處理SPWM***********/
void TIM2_IRQHandler(void)
{
TIM_Cmd(TIM1,DISABLE); //關(guān)閉定時(shí)器1
// if( SIN_LUT_index == 360 )
// {
// SIN_LUT_index= 0;
// }
// TIM1->CCR1 = (u16)((18000/fz)-amp*Sin_Lut[SIN_LUT_index]*SetUpPara/PWMSetUpMax/1000.0);
// TIM1->CCR2 = (u16)((18000/fz)-amp*Sin_Lut2[SIN_LUT_index]*SetUpPara/PWMSetUpMax/1000.0);
// TIM1->CCR3 = (u16)((18000/fz)-amp*Sin_Lut3[SIN_LUT_index]*SetUpPara/PWMSetUpMax/1000.0);
// SIN_LUT_index++;
// if( SetUpPara < PWMSetUpMax )
// {
// SetUpPara++;
// }
TIM_ClearFlag(TIM2,TIM_FLAG_Update); //中斷標(biāo)志位清零
}
/***********T3中斷處理***********/
void TIM3_IRQHandler(void)
{
if(flag==0)
{
fe+=10;
if(fe>=20000){flag=1;}
}
if(flag==1)
{
fe-=10;
if(fe<=10){flag=0;}
}
psc=654545/fe;
TIM1->PSC=psc; //預(yù)分頻設(shè)置
TIM_ClearFlag(TIM3,TIM_FLAG_Update); //中斷標(biāo)志位清零
}
/***********T4輸入捕獲***********/
void TIM4_IRQHandler(void)
{
if (TIM_GetITStatus(TIM4, TIM_IT_CC2) != RESET)
{
/* Clear TIM8 Capture compare interrupt pending bit */
TIM_ClearITPendingBit(TIM4, TIM_IT_CC2);
/* Get the Input Capture value */
IC2Value =TIM_GetCapture2(TIM4);
if (IC2Value != 0)
{
/* Duty cycle computation */
total_Time=IC2Value;
//low_Time=TIM_GetCapture1(TIM4);
//DutyCycle=(low_Time+1)*100/total_Time;
//SHI=DutyCycle;
low_Time=0;
total_Time=0;
/* Frequency computation */
Frequency = SystemCoreClock/IC2Value/720; //72M/(TIM_Prescaler+1)/IC2Value
}
else
{
DutyCycle = 0;
Frequency = 0;
}
}
if (TIM_GetITStatus(TIM4, TIM_IT_CC1) != RESET)
{
/* Clear TIM8 Capture compare interrupt pending bit */
TIM_ClearITPendingBit(TIM4, TIM_IT_CC1);
/* Get the Input Capture value */
……………………
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