STM32_ADC+TIM+DMA

利用STM32上的ADC、TIM2、DMA实现对多个通道的交流正弦信号的采样，并计算分别得其有效值，通道数目可以根据需要自行增加，另外保留了注入通道的使用。为了减轻MCU的负担，利用STM32的DMA功能；另外采用串口输出到PC机上（串口调试助手），以利于观察采样计算后得到的有效值。

#define ADC1_DR_Address       （（u32）0x4001244C）
#define SAMPLE_MAX_POINTS	  （（u16）256）
#define SAMPLE_MAX_CHANNELS	  （（u8）4）
#define TICKS_PER_SEC    	（（u8）20）
#include “stm32f10x.h“
#include “math.h“
#include “stdio.h“

void NVIC_Configuration（void）;
void ADC_Configuration（void）;
void DMA_Configuration（void）;
void TIM_Configuration（void）;
void SysTickConfiguration（void）;
void USART_Configuration（void）;
void delay_s（u16 time）;

void Task_SampleVC（void）;
float SAMPLE_GetValidValue（vu16 Value_VC[SAMPLE_MAX_POINTS][SAMPLE_MAX_CHANNELS] u8 Channel_n）;
float SAMPLE_GetAverage（vu16 value[SAMPLE_MAX_POINTS][SAMPLE_MAX_CHANNELS] u8 Channel_n）;
const double WINDOW[SAMPLE_MAX_POINTS]=             //------二阶窗--------------
{
0.0000610350.0001220700.0001831050.0002441410.0003051760.0003662110.0004272460.000488281
0.0005493160.0006103520.0006713870.0007324220.0007934570.0008544920.0009155270.0009765630.001037598
0.0010986330.0011596680.0012207030.0012817380.0013427730.0014038090.0014648440.0015258790.001586914
0.0016479490.0017089840.0017700200.0018310550.0018920900.0019531250.0020141600.0020751950.002136230
0.0021972660.0022583010.0023193360.0023803710.0024414060.0025024410.0025634770.0026245120.002685547
0.0027465820.0028076170.0028686520.0029296880.0029907230.0030517580.0031127930.0031738280.003234863
0.0032958980.0033569340.0034179690.0034790040.0035400390.0036010740.0036621090.0037231450.003784180
0.0038452150.0039062500.0039672850.0040283200.0040893550.0041503910.0042114260.0042724610.004333496
0.0043945310.0044555660.0045166020.0045776370.0046386720.0046997070.0047607420.0048217770.004882813
0.0049438480.0050048830.0050659180.0051269530.0051879880.0052490230.0053100590.0053710940.005432129
0.0054931640.0055541990.0056152340.0056762700.0057373050.0057983400.0058593750.0059204100.005981445
0.0060424800.0061035160.0061645510.0062255860.0062866210.0063476560.0064086910.0064697270.006530762
0.0065917970.0066528320.0067138670.0067749020.0068359380.0068969730.0069580080.0070190430.007080078
0.0071411130.0072021480.0072631840.0073242190.0073852540.0074462890.0075073240.0075683590.007629395
0.0076904300.0077514650.0078125000.0077514650.0076904300.0076293950.0075683590.0075073240.007446289
0.0073852540.0073242190.0072631840.0072021480.0071411130.0070800780.0070190430.0069580080.006896973
0.0068359380.0067749020.0067138670.0066528320.0065917970.0065307620.0064697270.0064086910.006347656
0.0062866210.0062255860.0061645510.0061035160.0060424800.0059814450.0059204100.0058593750.005798340
0.0057373050.0056762700.0056152340.0055541990.0054931640.0054321290.0053710940.0053100590.005249023
0.0051879880.0051269530.0050659180.0050048830.0049438480.0048828130.0048217770.0047607420.004699707
0.0046386720.0045776370.0045166020.0044555660.0043945310.0

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件      17273  2010-04-23 10:40  SampleTaskVC\CMSIS\core_cm3.c

     文件      85714  2010-04-23 10:40  SampleTaskVC\CMSIS\core_cm3.h

     文件      31997  2010-04-23 10:40  SampleTaskVC\CMSIS\system_stm32f10x.c

     文件       2068  2010-04-23 10:40  SampleTaskVC\CMSIS\system_stm32f10x.h

     文件       8893  2010-04-23 10:39  SampleTaskVC\FWLib\inc\misc.h

     文件      21601  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_adc.h

     文件       7466  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_bkp.h

     文件      20503  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_can.h

     文件       6483  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_cec.h

     文件       2073  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_crc.h

     文件      15062  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_dac.h

     文件       3729  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_dbgmcu.h

     文件      20573  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_dma.h

     文件       6735  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_exti.h

     文件      25356  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_flash.h

     文件      26187  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_fsmc.h

     文件      19316  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_gpio.h

     文件      29501  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_i2c.h

     文件       3739  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_iwdg.h

     文件       4294  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_pwr.h

     文件      30246  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_rcc.h

     文件       3768  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_rtc.h

     文件      21774  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_sdio.h

     文件      17983  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_spi.h

     文件      50427  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_tim.h

     文件      16459  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_usart.h

     文件       2877  2010-04-23 10:39  SampleTaskVC\FWLib\inc\stm32f10x_wwdg.h

     文件       6931  2010-04-23 10:39  SampleTaskVC\FWLib\src\misc.c

     文件      47016  2010-04-23 10:39  SampleTaskVC\FWLib\src\stm32f10x_adc.c

     文件       8497  2010-04-23 10:39  SampleTaskVC\FWLib\src\stm32f10x_bkp.c

............此处省略94个文件信息