【经验分享】STM32F0库函数初始化系列：ADC

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STMCU小助手发布时间：2021-11-23 21:01

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文章简介:	STM32F0库函数初始化系列：ADC

static void ADC_Config(void)
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ADC_InitTypeDef ADC_InitStructure;$ m2 _0 f$ B$ j! _$ l0 z
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/* ADCs DeInit */
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//ADC_DeInit(ADC1);
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/* Initialize ADC structure */$ y$ E% K8 L3 f) [9 i0 O' S6 T
ADC_StructInit(&ADC_InitStructure);) e- h5 a( M P, T B& u$ D6 T0 H& t9 \
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/* Configure the ADC1 in continuous mode with a resolution equal to 12 bits */8 i' {) m% `1 i
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;0 X. [+ u2 g! b: C6 v. Q, A) w( H
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
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ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;1 ?8 y! Y2 }8 w U
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;6 B% U! H8 D* [* G3 k" |) H, G
ADC_InitStructure.ADC_ScanDirection = ADC_ScanDirection_Upward;3 l) S& k- e* O# I1 m5 C
ADC_Init(ADC1, &ADC_InitStructure); ' K2 `# s* q0 b; Z1 n0 K
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/* Convert the ADC1 Channel 9 with 239.5 Cycles as sampling time */
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ADC_ChannelConfig(ADC1, ADC_Channel_9 , ADC_SampleTime_239_5Cycles);" x' ]5 \+ v/ Z, K# T% q0 H
/* ADC Calibration */
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ADC_GetCalibrationFactor(ADC1);
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/* ADC DMA request in circular mode */, K! M/ i& S* s( C1 K) s2 L
//ADC_DMARequestModeConfig(ADC1, ADC_DMAMode_Circular);
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/* Enable ADC_DMA */3 Y+ y& a+ R, M$ S8 h1 Q4 o
//ADC_DMACmd(ADC1, ENABLE); / ?5 m$ m. O8 W) n3 }
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/* Enable the ADC peripheral */- D- J6 i0 I, K9 S) `* E
ADC_Cmd(ADC1, ENABLE); ( {9 O6 e0 v, [) ~9 m) ^6 h8 e
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/* Wait the ADRDY flag */0 J, W' n: I5 f: E
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_ADRDY)); 6 g& p b: F0 u+ o
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/* ADC1 regular Software Start Conv */ % w$ F' f# V- E5 |* z
ADC_StartOfConversion(ADC1);
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while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC ));//等待转换结束
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_adc=ADC_GetConversionValue(ADC1);