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单片机解密STM32F103控制AD7606采集模拟信号

1、单片机解密配置STM32F103的SPI口
void AD7606_Port_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
RCC_APB2PeriphClockCmd(AD_SPI_CS_GPIO_CLK | AD_SPI_MISO_GPIO_CLK | AD_SPI_SCK_GPIO_CLK, ENABLE);

RCC_APB1PeriphClockCmd(AD_SPI_CLK, ENABLE);

/////////////////////////SPI_CLK////////////////////////
GPIO_InitStructure.GPIO_Pin = AD_SPI_SCK_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(AD_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);

/////////////////////////SPI_MISO////////////////////////
GPIO_InitStructure.GPIO_Pin = AD_SPI_MISO_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(AD_SPI_MISO_GPIO_PORT, &GPIO_InitStructure);

/////////////////////////SPI_CS////////////////////////
GPIO_InitStructure.GPIO_Pin = AD_SPI_CS_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(AD_SPI_CS_GPIO_PORT, &GPIO_InitStructure);

/////////////////////////SPI_3?ê??ˉ////////////////////////
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_32;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_CRCPolynomial = 7;
SPI_Init(AD_SPI, &SPI_InitStructure);
SPI_Cmd(AD_SPI, ENABLE);




/////////////////////////AD7606_RESET////////////////////////
单片机解密RCC_APB2PeriphClockCmd(AD_RESET_GPIO_CLK | AD_CONVT_GPIO_CLK , ENABLE);
GPIO_InitStructure.GPIO_Pin = AD_RESET_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(AD_RESET_GPIO_PORT, &GPIO_InitStructure);


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