智能车制作

标题: void ADC_Init(ADC_InitTypeDef* ADC_InitStruct)怎么引用 [打印本页]

作者: 綿婲/ka餹 时间: 2014-4-7 15:23
标题: void ADC_Init(ADC_InitTypeDef* ADC_InitStruct)怎么引用
void ADC_Init(ADC_InitTypeDef* ADC_InitStruct)
{
uint8_t i;

ADC_Type *ADCx = ADC0;

PeripheralMapTypeDef *pADC_Map = (PeripheralMapTypeDef*)&(ADC_InitStruct->ADCxMap);

SIM->SCGC6 |= SIM_SCGC6_ADC0_MASK;  //′ò¿aê±ÖóÃÅ

ADCx->CFG1 &= ~(ADC_CFG1_MODE_MASK); //éèÖÃAD¾«¶è

ADCx->CFG1 |= ADC_CFG1_MODE(ADC_InitStruct->ADC_Precision);

ADCx->CFG1 &= ~ADC_CFG1_ADICLK_MASK;  //×üÏßê±ÖóÎaadê±ÖóÔ′

ADCx->CFG1 |=  ADC_CFG1_ADICLK(0);

ADCx->CFG1 &= ~ADC_CFG1_ADLSMP_MASK;  //3éÑùê±¼ä

ADCx->CFG1 &= ~ADC_CFG1_ADIV_MASK; //3éÑùê±Öó·ÖÆμ

ADCx->CFG1 |= ADC_CFG1_ADIV(3);

if(pADC_Map->m_PinCntIndex > 1)      // μ￥í¨μà¡￠2î·Öí¨μà

{
ADCx->SC1[pADC_Map->m_SpecDefine1] |= ADC_SC1_DIFF_MASK;
}
else
{
ADCx->SC1[pADC_Map->m_SpecDefine1] &= ~ADC_SC1_DIFF_MASK;
}
//Calieration
i = ADC_Cal(ADCx);
//′￥·￠Ô′
(ADC_TRIGGER_HW == ADC_InitStruct->ADC_TriggerSelect)?(ADCx->SC2 |= ADC_SC2_ADTRG_MASK)

ADCx->SC2 &= ~ADC_SC2_ADTRG_MASK);

for(i=0;i<pADC_Map->m_PinCntIndex;i++)
{
PinMuxConfig(pADC_Map->m_PortIndex,pADC_Map->m_PinBaseIndex+i,pADC_Map->m_MuxIndex);
}
}

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