//得到ADC采样内部温度传感器的温度值
//返回值3位温度值 XXX*0.1C
int Get_Temp(void)
{
float temperate;
temperate=(float)Get_Adc(TEMP_CH)*(3.3/4096);//得到温度传感器的电压值
temperate=(1.43-temperate)/0.0043+25;//计算出当前温度值
temperate*=10;//扩大十倍,使用小数点后一位
return (int)temperate;
}
//获取通道ch的转换值，取times次,然后平均
//ch:通道编号
//times:获取次数
//返回值:通道ch的times次转换结果平均值
u16 Get_Adc_Average(u8 ch,u8 times)
{
u32 temp_val=0;
u8 t;
for(t=0;t<times;t++)
{
temp_val+=Get_Adc(ch);
}
return temp_val/times;
}
//得到ADC采样内部温度传感器的值
//取10次,然后平均
u16 Get_Temp(void)
{
u16 temp_val=0;
u8 t;
for(t=0;t<10;t++)
{
temp_val+=Get_Adc(TEMP_CH);
delay_ms(5);
}
return temp_val/10;
}
/**
* @brief 获取连续10次ADC采样的平均值
* @param ADCx: ADC1 / ADC2 / ADC3
* @param ch:通道值 ADC_Channel_0 ~ ADC_Channel_17
* @retval ADC转换的平均值
* @note
*/
uint16_t Get_Adc_Average(ADC_TypeDef* ADCx, uint8_t ch)
{
uint32_t adc_val = 0;
uint8_t i;
for(i = 0; i < 10; i++)
{
adc_val += Get_Adc(ADCx, ch);
delay_ms(5);
}
return adc_val/10;
}
//得到ADC采样内部温度传感器的温度值
//返回值3位温度值 XXX*0.1C
int Get_Temp(void)
{
u16 temp_val=0;
u8 t;
float temperate;
for(t=0;t<20;t++)//读20次,取平均值
{
temp_val+=Get_Adc(16);//温度传感器为通道16
}
temp_val/=20;
temperate=(float)temp_val*(3.3/4096);//得到温度传感器的电压值
temperate=(1.43-temperate)/0.0043+25;//计算出当前温度值
temperate*=10;//扩大十倍,使用小数点后一位
return (int)temperate;
}
/*****************************************************************************
函 数 名: AirCondition_Temp
功能说明: 空调外部温度更新
参 数: 无
返 回 值: 无
*****************************************************************************/
void AirCondition_Temp(void)
{
static u8 cnt = 0;
static u16 Average = 0;
u16 val;
val = Get_Adc(0);
// if ((Average > val ? Average - val : val - Average) > 200) //取值波动较大
// {
// ADCValue = val;
// Average = val;
// cnt = 0;
// }
// else //取平均值
// {
// ADCValue += val;
// Average = ADCValue/(++cnt); //取每次的平均值
// }
//
ADCValue += val;
if (++cnt >= 10) //取样十次
{
cnt = 0;
Average = ADCValue/10;
for (val = 0; val < sizeof(RT_Tab)/sizeof(RT_Tab[0]); val++)
{
if (Average >= RT_Tab[val])
{
gAirCondition.temp = val + gAirCondition.Correction_temperature;
break;
}
}
ADCValue = 0;
}
}
int main(void)
{
u16 adcx;
float temp;
SystemInit();
delay_init(72); //延时初始化
NVIC_Configuration();
uart_init(9600);
LED_Init();
KEY_Init();
LCD_Init();
Adc_Init();
POINT_COLOR=RED;//设置字体为红色
LCD_ShowString(60,50,"Mini STM32");
LCD_ShowString(60,70,"ADC TEST");
LCD_ShowString(60,90,"ATOM@ALIENTEK");
LCD_ShowString(60,110,"2010/12/30");
//显示提示信息
POINT_COLOR=BLUE;//设置字体为蓝色
LCD_ShowString(60,130,"ADC_CH0_VAL:");
LCD_ShowString(60,150,"ADC_CH0_VOL:0.000V");
while(1)
{
adcx=Get_Adc(ADC_Channel_0);
LCD_ShowNum(156,130,adcx,4,16);//显示ADC的值
temp=(float)adcx*(3.3/4096);
adcx=temp;
LCD_ShowNum(156,150,adcx,1,16);//显示电压值
temp-=adcx;
temp*=1000;
LCD_ShowNum(172,150,temp,3,16);
LED0=!LED0;
delay_ms(250);
}
}
int main(void)
{
// u8 key;
// u16 i=0;
u16 adc_91000,adc_91200,reg_read_data=0,reg_write_data=0;
float LMP91000_VOUT,LMP91200_VOUT,Temp_Integer,Temp_Decimal;
short temp;
u8 read_val[5] = {0xff};
u8 status = TI_LMP91000_NOT_READY;
SystemInit();
delay_init(72); //延时初始化
NVIC_Configuration();
uart_init(9600);
LED_Init();
KEY_Init();
Adc_Init();
IIC_Init(); //IIC初始化
LMP91200_Init(); //初始化PH
delay_ms(500);
printf("\nHello XXL");
/************************************************************
* 溶氧电极初始化及数据采集
************************************************************/
LMP91000_ENABLE();
// enable LM
while (status == TI_LMP91000_NOT_READY) // wait while device is not ready
status = LMP91000_ReadOneByte(TI_LMP91000_STATUS_REG); // Read device ready status
read_val[0] = LMP91000_ReadOneByte(TI_LMP91000_LOCK_REG); // Read from lock register default value 0x01
read_val[1] = LMP91000_ReadOneByte(TI_LMP91000_TIACN_REG); // Read TIA control register default value 0x03
read_val[2] = LMP91000_ReadOneByte(TI_LMP91000_REFCN_REG); // Read Reference control register default value 0x20
read_val[3] = LMP91000_ReadOneByte(TI_LMP91000_MODECN_REG); // Read Mode control register default value 0x00
LMP91000_WriteOneByte(TI_LMP91000_LOCK_REG, TI_LMP91000_WRITE_UNLOCK); // unlock the registers for write
LMP91000_WriteOneByte(TI_LMP91000_TIACN_REG, TIACN_NEW_VALUE); // Modify TIA control register
LMP91000_WriteOneByte(TI_LMP91000_REFCN_REG, REFCN_NEW_VALUE); // Modify REF control register
LMP91000_WriteOneByte(TI_LMP91000_MODECN_REG, MODECN_NEW_VALUE); // Modify MODE control register
read_val[1] = LMP91000_ReadOneByte(TI_LMP91000_TIACN_REG); // Read to confirm register is modified
read_val[2] = LMP91000_ReadOneByte(TI_LMP91000_REFCN_REG); // Read to confirm register is modified
read_val[3] = LMP91000_ReadOneByte(TI_LMP91000_MODECN_REG); // Read to confirm register is modified
read_val[4] = LMP91000_ReadOneByte(TI_LMP91000_STATUS_REG);
// test if write/read values match
if (read_val[1] == TIACN_NEW_VALUE)
{
// while (1) // no error: blink LED continuously
// {
delay_ms(500);
LED1=!LED1;//绿灯闪烁
// }
} else
{
delay_ms(500);
LED0=!LED0;//红灯闪烁 // error
}
// 获取LMP91000输出电压
// while(1)
// {
adc_91000=Get_Adc(ADC_Channel_8);
LMP91000_VOUT=(float)adc_91000*(3.3/4096);
LMP91000_VOUT=LMP91000_VOUT;
printf("\n\nDO=%fv ",LMP91000_VOUT);
temp=DS18B20_Get_Temp();
if(temp<0)
{
temp=-temp;
}
Temp_Integer=temp/10;
Temp_Integer=Temp_Integer; //整数
Temp_Decimal=temp%10;
Temp_Decimal=Temp_Decimal; //小数
printf(" Temp=%f.%fc " __TIME__ "",Temp_Integer,Temp_Decimal);
delay_ms(1000);
// }
LMP91000_WriteOneByte(TI_LMP91000_LOCK_REG, TI_LMP91000_WRITE_LOCK); // lock the registers
LMP91000_DISABLE();
/************************************************************
* PH电极初始化及数据采集,无论在空气，碱水，酸水中vout总是1.420～1.429，可能电极坏掉
************************************************************/
Clr_LMP91200_CSN;
reg_write_data = TI_LMP91200_CONFIG_REG_TEST_VALUE; // value to write
reg_read_data = SPIx_ReadWriteByte(reg_write_data); // Write to config register, read old value
reg_read_data = SPIx_ReadWriteByte(reg_write_data); // Write again to read previous update
reg_read_data = SPIx_ReadWriteByte(reg_write_data); // Write again to read previous update,if not read this time,bit-15 will be wrong
// Set_LMP91200_CSN;
while(1)
// test if write/read values match
{
if (reg_write_data == reg_read_data)
{
adc_91200=Get_Adc(ADC_Channel_9);
LMP91200_VOUT=(float)adc_91200*(3.3/4096);
LMP91200_VOUT=LMP91200_VOUT;
LED1=!LED1; //正确则绿灯亮
delay_ms(500);
}
else
{
LED0=!LED0; //错误则黄灯亮
delay_ms(300);
}
}
/************************************************************
* 温度传感器初始化及数据采集
************************************************************/
while(DS18B20_Init())//初始化DS18B20,兼检测18B20
{
delay_ms(600);
// error_report();//DS18B20 未连接
}
while(1)
{
temp=DS18B20_Get_Temp();
if(temp<0)
{
temp=-temp;
}
Temp_Integer=temp/10;
Temp_Integer=Temp_Integer; //整数
Temp_Decimal=temp%10;
Temp_Decimal=Temp_Decimal; //小数
delay_ms(500);
LED1=!LED1;//DS1闪烁
}
/************************************************************
* 按键扫描
************************************************************/
#if 0
while(1)
{
key=KEY_Scan();
if(key==1)//KEY0按下,写入24C02
{
;
}
if(key==3)//KEY_UP按下,读取字符串并显示
{
;
}
i++;
delay_ms(10);
}
#endif
}
