完成频率计算和显示部分，待调试

Project/Listings/context_rvds.lst

@@ -303,10 +303,10 @@ ARM Macro Assembler    Page 5
               E000ED08 
 Command Line: --debug --xref --diag_suppress=9931 --cpu=Cortex-M3 --apcs=interw
 ork --depend=.\context_rvds.d -o.\context_rvds.o -I.\RTE\_oscilloscope -ID:\ins
-tall\Keil_v5\Arm\Packs\Keil\STM32F1xx_DFP\2.0.0\Device\Include -ID:\install\Kei
+tall\keil526\ARM\PACK\Keil\STM32F1xx_DFP\2.1.0\Device\Include -ID:\install\keil
-l_v5\ARM\CMSIS\Include --predefine="__MICROLIB SETA 1" --predefine="__UVISION_V
+526\ARM\CMSIS\Include --predefine="__MICROLIB SETA 1" --predefine="__UVISION_VE
-ERSION SETA 527" --predefine="STM32F10X_HD SETA 1" --list=.\listings\context_rv
+RSION SETA 526" --predefine="STM32F10X_HD SETA 1" --list=.\listings\context_rvd
-ds.lst ..\rtthread\libcpu\arm\cortex-m3\context_rvds.S
+s.lst ..\rtthread\libcpu\arm\cortex-m3\context_rvds.S
 
 
 

Project/Listings/startup_stm32f10x_hd.lst

@@ -553,11 +553,10 @@ ARM Macro Assembler    Page 9
               00000000 
 Command Line: --debug --xref --diag_suppress=9931 --cpu=Cortex-M3 --apcs=interw
 ork --depend=.\startup_stm32f10x_hd.d -o.\startup_stm32f10x_hd.o -I.\RTE\_oscil
-loscope -ID:\install\Keil_v5\Arm\Packs\Keil\STM32F1xx_DFP\2.0.0\Device\Include 
+loscope -ID:\install\keil526\ARM\PACK\Keil\STM32F1xx_DFP\2.1.0\Device\Include -
--ID:\install\Keil_v5\ARM\CMSIS\Include --predefine="__MICROLIB SETA 1" --predef
+ID:\install\keil526\ARM\CMSIS\Include --predefine="__MICROLIB SETA 1" --predefi
-ine="__UVISION_VERSION SETA 527" --predefine="STM32F10X_HD SETA 1" --list=.\lis
+ne="__UVISION_VERSION SETA 526" --predefine="STM32F10X_HD SETA 1" --list=.\list
-tings\startup_stm32f10x_hd.lst ..\Libraries\CMSIS\startup\startup_stm32f10x_hd.
+ings\startup_stm32f10x_hd.lst ..\Libraries\CMSIS\startup\startup_stm32f10x_hd.s
-s
 
 
 

Project/oscilloscope.uvprojx

@@ -16,7 +16,7 @@
         <TargetCommonOption>
           <Device>STM32F103VE</Device>
           <Vendor>STMicroelectronics</Vendor>
-          <PackID>Keil.STM32F1xx_DFP.2.0.0</PackID>
+          <PackID>Keil.STM32F1xx_DFP.2.1.0</PackID>
           <PackURL>http://www.keil.com/pack/</PackURL>
           <Cpu>IRAM(0x20000000,0x10000) IROM(0x08000000,0x80000) CPUTYPE("Cortex-M3") CLOCK(12000000) ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>

User/OSC/OSC.c

@@ -49,6 +49,7 @@ char*     CurSamplingMode = {"A"};  //
 uint16_t  CurTimePerDiv = 500;        //代号4，每格代表的时间间隔
 
 //要显示的信息
+float WaveFrq = 0.0;//波形频率，单位kHz
 __IO  uint16_t    ADC_ConvertedValue[ADCx_1_SampleNbr] = {0};//ADC采集数据
 FlagStatus  StopSample = RESET;//停止采样标志
 
@@ -221,16 +222,58 @@ void PlotBlackground(void)
 
 /**
   * @brief  计算波形频率
-  * @param  Operation：当前正在设置的参数
+  * @param  ADC_ConvertedValue：采集的波形数据
   * @retval None
   */
-void CalculateFrequency(uint16_t *ADC_ConvertedValue)
+void CalculateFrequency(void)
 {
-	uint8_t n;
+	uint8_t i, WaveLenth=0, WaveLenthSumNrb=0, SumNrb;//自动采样模式下对频率求平均值
-	for(n=0;n < ADCx_1_SampleNbr; n++)
+	uint8_t    ConvertedTriggerValue = CurTriggerValue/3.3*200-0.5;//用于转换触发阀值
-	{
+	char dispBuff[100];
 	
+	if(SamplingModeNrb == 0)
+		SumNrb = 4;
+	else
+		SumNrb = 0;
+	//计算波长
+	if(TriggerModeNrb == 0)
+		{
+			for(i=0;i < ADCx_1_SampleNbr-1; i++)
+			{
+				if((ADC_ConvertedValue[i] >= ConvertedTriggerValue) && (ADC_ConvertedValue[i+1] <= ConvertedTriggerValue))
+					WaveLenth = i;
+				break;
 			}			
+		}
+	else if(TriggerModeNrb == 1)
+		{
+			for(i=0;i < ADCx_1_SampleNbr-1; i++)
+			{
+				if((ADC_ConvertedValue[i] <= ConvertedTriggerValue) && (ADC_ConvertedValue[i+1] >= ConvertedTriggerValue))
+					WaveLenth = i;
+				break;
+			}			
+		}
+		
+		
+	if(i < ADCx_1_SampleNbr-1)
+	{
+		WaveLenth += WaveLenth;	
+		if(++WaveLenthSumNrb >= SumNrb)
+		{
+			WaveLenth = WaveLenth>>2;
+			//计算频率
+			WaveFrq = 1/(((float)WaveLenth)*((float)CurTimePerDiv)/50);//(1/(WaveLenth*CurTimePerDiv/50/1000))*1000 kHz
+			ILI9341_Clear(260, (((sFONT *)LCD_GetFont())->Height)*5, 60, (((sFONT *)LCD_GetFont())->Height));
+			/*使用c标准库把变量转化成字符串*/
+			sprintf(dispBuff,"%.1f kHz", WaveFrq);
+			ILI9341_DispString_EN(260, (((sFONT *)LCD_GetFont())->Height)*5, dispBuff);
+		}
+		else
+			return;
+	}
+	else
+		return;
 }
 
 
@@ -250,12 +293,15 @@ void PlotWave(void* parameter)
 		recv_statu = rt_mq_recv(getwave_status_queue, &flag, sizeof(flag), RT_WAITING_FOREVER);
 		if(recv_statu == RT_EOK && flag == 1)
 		{
+			//波形显示
 			PlotBlackground();
 			for(i=0; i <= ADCx_1_SampleNbr-2; i++)
 			{
 				LCD_SetTextColor(WHITE);
-				ILI9341_DrawLine ( Wave_Centor_X-(Wave_Width/2)+i, ADC_ConvertedValue[i], Wave_Centor_X-(Wave_Width/2)+i+1, ADC_ConvertedValue[i+1] );
+				ILI9341_DrawLine( Wave_Centor_X-(Wave_Width/2)+i, ADC_ConvertedValue[i], Wave_Centor_X-(Wave_Width/2)+i+1, ADC_ConvertedValue[i+1] );
 			}
+			//频率显示
+			CalculateFrequency();//计算和刷新一起			
 		}
 		flag = 0;
 	}

User/OSC/OSC.h

@@ -24,6 +24,7 @@ extern  uint16_t  CurTimePerDiv;    //
 
 //要显示的信息
 extern __IO        uint16_t     ADC_ConvertedValue[];//ADC采集数据
+extern             float        WaveFrq;//波形频率，单位kHz
 
 extern 						 uint16_t     TimePerDiv_Group[];
 extern             uint8_t     	TimePerDivOderNbr;
@@ -33,6 +34,7 @@ extern             FlagStatus   StopSample;//ֹͣ
 
 
 void PlotBlackground(void);
+void CalculateFrequency(void);
 void PlotWave(void* parameter);
 void Init(void);
 void Run(void);