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//上電為本地模式
//無PWM輸入顯示0Hz
//TIM2_PWMin和串口發有沖突但題目未用TX，不初始化TX即可(因為PWM為輸入模式)，這樣無論是否在串口模式都能保證PWM輸出
//TIM3_PWMout使用 GPIO_Mode_Out_PP
#include "stm32f10x.h"
#include <stdio.h>
#include "user.h"
#include "lcd.h"
#include "i2c.h"
u32 TimingDelay = 0;
u8 USART_Test=0;
u8 string[20];
u8 PA6_Mul=0,PA7_Mul=0;
u8 PA6_Out=0,PA7_Out=0;
__IO uint16_t ICReadValue1_now = 0,ICReadValue1_last = 0, ICReadValue2_now = 0,ICReadValue2_last = 0;
__IO uint32_t Freq1_now = 0,Freq1_last = 0,Freq2_now = 0,Freq2_last = 0;
__IO uint8_t Freq1_Display=0,Freq2_Display=0;
uint16_t CCR1_Val = 500; // 72000 000/(71+2)=1/1000 000
uint16_t CCR2_Val = 1000; // T=CCR*2*(1/1000 000) , f=1/T ==>CCR=5000000/f
u8 count=0;
u8 RX_buf[20];
u8 Data_right=0;
u8 RXcomplitFlag=0;
u8 Local_mode=1;
u8 Set_channel=1;
u16 LED=0XFFFF;
void Delay_Ms(u32 nTime);
void LED_Config(void);
void LCD_Config(void);
void KEY_Config(void);
void IIC_Config(void);
void USART_Config(void);
void TIM2_PWMin_Config(void);
void TIM3_PWMout_Config(void);
void ALL_Init(void);
void KEY_Scan(void);
u8 IIC_Read(u8 add);
void IIC_Write(u8 add,u8 dat);
void NVIC_Configuration(void);
void USART_SendStr(u8 *str);
void LED_Run(void);
int main(void)
{
SysTick_Config(SystemCoreClock/1000);
LED_Config();
LCD_Config();
KEY_Config();
IIC_Config();
USART_Config();
TIM2_PWMin_Config();
TIM3_PWMout_Config();
ALL_Init();
Delay_Ms(5);IIC_Write(0x01,2);
Delay_Ms(5);IIC_Write(0x02,2);
Delay_Ms(5);PA6_Mul=IIC_Read(0x01);
Delay_Ms(5);PA7_Mul=IIC_Read(0x02);
sprintf((char*)string," N(1):%d ",PA6_Mul);
LCD_DisplayStringLine(Line2,string);
sprintf((char*)string," N(2):%d ",PA7_Mul);
LCD_DisplayStringLine(Line6,string);
LED_Run();
while (1)
{
KEY_Scan();
LED_Run();
if(Freq1_Display==1)
{
Freq1_Display=0;
sprintf((char*)string," Channel(1):%dHz ",Freq1_now);
LCD_DisplayStringLine(Line1,string);
if((Freq1_now>=50)&&(Freq1_now<=50000))
{
CCR1_Val = 500000/Freq1_now/PA6_Mul;
PA6_Out=1;LED&=~LED1;
}
else {PA6_Out=0;LED|=LED1;LCD_DisplayStringLine(Line1,(unsigned char *)" Channel(1):0Hz ");}
}
else {PA6_Out=0;LED|=LED1;LCD_DisplayStringLine(Line1,(unsigned char *)" Channel(1):0Hz ");}
if(Freq2_Display==1)
{
Freq2_Display=0;
sprintf((char*)string," Channel(1):%dHz ",Freq2_now);
LCD_DisplayStringLine(Line5,string);
if((Freq2_now>=50)&&(Freq2_now<=50000))
{
CCR2_Val = 500000/Freq2_now/PA7_Mul;
PA7_Out=1;LED&=~LED2;
}
else {PA7_Out=0;LED|=LED2;LCD_DisplayStringLine(Line5,(unsigned char *)" Channel(2):0Hz ");}
}
else {PA7_Out=0;LED|=LED2;LCD_DisplayStringLine(Line5,(unsigned char *)" Channel(2):0Hz ");}
if(RXcomplitFlag==1)
{
RXcomplitFlag=0;
if((RX_buf[4]-48)==1)
{
PA6_Mul=(RX_buf[6]-48)*10+(RX_buf[7]-48);
sprintf((char*)string," N(1):%d ",PA6_Mul);
LCD_DisplayStringLine(Line2,string);
}
else if((RX_buf[4]-48)==2)
{
PA7_Mul=(RX_buf[6]-48)*10+(RX_buf[7]-48);
sprintf((char*)string," N(2):%d ",PA7_Mul);
LCD_DisplayStringLine(Line6,string);
}
}
}
}
void KEY_Scan(void)
{
if(RB1==0)
{
Delay_Ms(5);
if(RB1==0)
{
if(Local_mode==0)
{
Local_mode=1;
USART_Cmd(USARTz, DISABLE);
USART_ITConfig(USARTz, USART_IT_RXNE, DISABLE);
// TIM2_PWMin_Config();
RCC_APB1PeriphClockCmd(USARTz_CLK, DISABLE);
LCD_DisplayStringLine(Line9,(unsigned char *)" 1 ");
LED|=LED3;
}
else if(Local_mode==1)
{
Local_mode=0;Set_channel=1;
USART_Config();
LCD_DisplayStringLine(Line9,(unsigned char *)" ");
LED&=~LED3;
}
}
while(!RB1);
}
else if(RB2==0)
{
Delay_Ms(5);
if(RB2==0)
{
if(Local_mode==1)
{
if(Set_channel==1)
{
Set_channel=2;
LCD_DisplayStringLine(Line9,(unsigned char *)" 2 ");
}
else if(Set_channel==2)
{
Set_channel=1;
LCD_DisplayStringLine(Line9,(unsigned char *)" 1 ");
}
}
}
while(!RB2);
}
else if(RB3==0)
{
Delay_Ms(5);
if(RB3==0)
{
if(Local_mode==1)
{
if(Set_channel==1)
{
PA6_Mul--;
if(PA6_Mul<=1)PA6_Mul=1;
sprintf((char*)string," N(1):%d ",PA6_Mul);
LCD_DisplayStringLine(Line2,string);
Delay_Ms(5);IIC_Write(0x01,PA6_Mul);
}
else if(Set_channel==2)
{
PA7_Mul--;
if(PA7_Mul<=1)PA7_Mul=1;
sprintf((char*)string," N(2):%d ",PA7_Mul);
LCD_DisplayStringLine(Line6,string);
Delay_Ms(5);IIC_Write(0x02,PA7_Mul);
}
}
}
while(!RB3);
}
else if(RB4==0)
{
Delay_Ms(5);
if(RB4==0)
{
if(Local_mode==1)
{
if(Set_channel==1)
{
PA6_Mul++;
if(PA6_Mul>=10)PA6_Mul=10;
sprintf((char*)string," N(1):%d ",PA6_Mul);
LCD_DisplayStringLine(Line2,string);
Delay_Ms(5);IIC_Write(0x01,PA6_Mul);
}
else if(Set_channel==2)
{
PA7_Mul++;
if(PA7_Mul>=10)PA7_Mul=10;
sprintf((char*)string," N(2):%d ",PA7_Mul);
LCD_DisplayStringLine(Line6,string);
Delay_Ms(5);IIC_Write(0x02,PA7_Mul);
}
}
}
while(!RB4);
}
}
void LCD_Config(void)
{
STM3210B_LCD_Init();
LCD_Clear(White);
LCD_SetBackColor(White);
LCD_SetTextColor(Blue);
LCD_DisplayStringLine(Line0,(unsigned char *)" ");
LCD_DisplayStringLine(Line1,(unsigned char *)" Channel(1):1000Hz ");
LCD_DisplayStringLine(Line2,(unsigned char *)" N(1):2 ");
LCD_DisplayStringLine(Line3,(unsigned char *)" ");
LCD_DisplayStringLine(Line4,(unsigned char *)" ");
LCD_DisplayStringLine(Line5,(unsigned char *)" Channel(2):1000Hz ");
LCD_DisplayStringLine(Line6,(unsigned char *)" N(2):2 ");
LCD_DisplayStringLine(Line7,(unsigned char *)" ");
LCD_DisplayStringLine(Line8,(unsigned char *)" ");
LCD_DisplayStringLine(Line9,(unsigned char *)" 1 ");
}
void USART_SendStr(u8 *str)
{
u8 i=0;
do
{
USART_SendData(USART2, *(str+i));
while(USART_GetFlagStatus(USART2,USART_FLAG_TXE)==RESET);
i++;
}while(*(str+i)!='\0');
while(USART_GetFlagStatus(USART2,USART_FLAG_TC)==RESET);
}
void TIM2_PWMin_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_ICInitTypeDef TIM_ICInitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
TIM_TimeBaseStructure.TIM_Period = 0xffff;
TIM_TimeBaseStructure.TIM_Prescaler = 71;
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
TIM_ICInitStructure.TIM_Channel = TIM_Channel_2;
TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
TIM_ICInitStructure.TIM_ICFilter = 0x0;
TIM_ICInit(TIM2, &TIM_ICInitStructure);
TIM_ICInitStructure.TIM_Channel = TIM_Channel_3;
TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
TIM_ICInitStructure.TIM_ICFilter = 0x0;
TIM_ICInit(TIM2, &TIM_ICInitStructure);
TIM_Cmd(TIM2, ENABLE);
TIM_ITConfig(TIM2, TIM_IT_CC2|TIM_IT_CC3, ENABLE);
}
void TIM2_IRQHandler(void)
{
if(TIM_GetITStatus(TIM2, TIM_IT_CC2) == SET)
{
TIM_ClearITPendingBit(TIM2, TIM_IT_CC2);
ICReadValue1_now=TIM_GetCapture2(TIM2);
if(ICReadValue1_now!=ICReadValue1_last)
{
Freq1_now=1000000/(ICReadValue1_now-ICReadValue1_last);
}
if(Freq1_now==0)
{
Freq1_now=Freq1_last;
}
ICReadValue1_last=ICReadValue1_now;
Freq1_last=Freq1_now;
Freq1_Display=1;
}
if(TIM_GetITStatus(TIM2, TIM_IT_CC3) == SET)
{
TIM_ClearITPendingBit(TIM2, TIM_IT_CC3);
ICReadValue2_now=TIM_GetCapture3(TIM2);
if(ICReadValue2_now!=ICReadValue2_last)
{
Freq2_now=1000000/(ICReadValue2_now-ICReadValue2_last);
}
if(Freq2_now==0)
{
Freq2_now=Freq2_last;
}
ICReadValue2_last=ICReadValue2_now;
Freq2_last=Freq2_now;
Freq2_Display=1;
}
}
void TIM3_PWMout_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
TIM_TimeBaseStructure.TIM_Period = 65535;
TIM_TimeBaseStructure.TIM_Prescaler = 71;
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Toggle;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
TIM_OC1Init(TIM3, &TIM_OCInitStructure);
TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Disable);
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OC2Init(TIM3, &TIM_OCInitStructure);
TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Disable);
TIM_ITConfig(TIM3, TIM_IT_CC1|TIM_IT_CC2, ENABLE);
TIM_Cmd(TIM3, ENABLE);
}
uint16_t capture = 0;
void TIM3_IRQHandler(void)
{
if (TIM_GetITStatus(TIM3, TIM_IT_CC1) != RESET)
{
TIM_ClearITPendingBit(TIM3, TIM_IT_CC1 );
capture = TIM_GetCapture1(TIM3);
TIM_SetCompare1(TIM3, capture + CCR1_Val );
if(PA6_Out==1)
{
GPIO_WriteBit(GPIOA, GPIO_Pin_6, (BitAction)(1-GPIO_ReadOutputDataBit(GPIOA,GPIO_Pin_6)));
}
else
{
CCR1_Val=0;GPIO_WriteBit(GPIOA, GPIO_Pin_6, (BitAction)0);
}
}
if (TIM_GetITStatus(TIM3, TIM_IT_CC2) != RESET)
{
TIM_ClearITPendingBit(TIM3, TIM_IT_CC2);
capture = TIM_GetCapture2(TIM3);
TIM_SetCompare2(TIM3, capture + CCR2_Val);
if(PA7_Out==1)
{
GPIO_WriteBit(GPIOA, GPIO_Pin_7, (BitAction)(1-GPIO_ReadOutputDataBit(GPIOA,GPIO_Pin_7)));
}
else
{
GPIO_WriteBit(GPIOA, GPIO_Pin_7, (BitAction)0);
}
}
}
void ALL_Init(void)
{
NVIC_Configuration();
GPIO_SetBits(GPIOD, GPIO_Pin_2);
GPIO_SetBits(GPIOC, LED1|LED2|LED3|LED4|LED5|LED6|LED7|LED8);
GPIO_ResetBits(GPIOD, GPIO_Pin_2);
}
void NVIC_Configuration(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
NVIC_InitStructure.NVIC_IRQChannel = USARTz_IRQn;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void SysTick_Handler(void)
{
TimingDelay--;
}
void USART2_IRQHandler(void)
{
u8 temp;
if(USART_GetITStatus(USART2, USART_IT_RXNE) != RESET)
{
temp = USART_ReceiveData(USART2);
if(temp == 'S')
{
RX_buf[count]=temp;Data_right=1;count++;
}
else if(Data_right==1)
{
RX_buf[count]=temp;
count++;
if(count==8)
{
count=0;Data_right=0;RXcomplitFlag=1;
}
}
USART_ClearITPendingBit(USART2, USART_IT_RXNE);
}
}
void LED_Run(void)
{
GPIO_Write(GPIOC,LED);
GPIO_SetBits(GPIOD, GPIO_Pin_2);
GPIO_ResetBits(GPIOD, GPIO_Pin_2);
}
void KEY_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_8;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
void IIC_Config(void)
{
i2c_init();
}
u8 IIC_Read(u8 add)
{
u8 data;
I2CStart();
I2CSendByte(0xa0);
I2CSendAck();
I2CSendByte(add);
I2CSendAck();
I2CStart();
I2CSendByte(0xa1);
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