UM1561 datasheet(18/39 Pages) STMICROELECTRONICS

18 / 39 page

Data sensing section for the closed loop control

UM1561

18/39

Doc ID 023556 Rev 1

DMA_ClearFlag(DMA1_FLAG_TC1);

}

where

●

(vu32)DataSensing.Init.DataRegister;

is (Data Register stores the I/O

information).

DS_ADCx_Configuration(….):

The ADC is triggered by an external trigger. The update event of TIM8 generates the trigger

signal to acquire the I/O information.

void DS_ADCx_Configuration(void)

{

/* ADC1 configuration -------------------------------------------------*/

ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;

ADC_InitStructure.ADC_ScanConvMode = ENABLE;

ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;

ADC_InitStructure.ADC_ExternalTrigConv =

ADC_ExternalTrigConv_Ext_IT11_TIM8_TRGO;

ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Left;

ADC_InitStructure.ADC_NbrOfChannel = 3;

ADC_Init(ADC1, &ADC_InitStructure);

/* ADC1 regular channel10 configuration */

ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1,

ADC_SampleTime_1Cycles5); //AC Line current

/* ADC1 regular channel12 configuration */

ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 2,

ADC_SampleTime_1Cycles5); //DC Panel current

/* ADC1 regular channel12 configuration */

ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 3,

ADC_SampleTime_1Cycles5); //BUS Voltage

/*External trigger enabled*/

ADC_ExternalTrigConvCmd(ADC1, ENABLE);

//AFIO_REMAP for Trigger on Tim8 TRGO

GPIO_PinRemapConfig(GPIO_Remap_ADC1_ETRGREG, ENABLE);

/* Enable ADC1 DMA */

ADC_DMACmd(ADC1, ENABLE);

/* ADC2 configuration ------------------------------------------------*/

ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;

ADC_InitStructure.ADC_ScanConvMode = ENABLE;

ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;

ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;

ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Left;

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