关于031的OPAMP独立运算放大器模式的配置

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hollow1|

楼主 | 2022-7-21 16:20 | 只看该作者回帖奖励

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PA, 算放大器, 运算放, 运算放大, 运算放大器, opamp

// PB0 : OPAMP_VINP
// PB1 : OPAMP_VINM
// PA6 : OPAMP_VOUT
static void OPAMP_GPIO_Config(void)
{
GPIO_InitType GPIO_InitStructure;

RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_GPIOA, ENABLE);
RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_GPIOB, ENABLE);
RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_AFIO, ENABLE);

OPAMP_SetVpSel(OPAMP_CS_VPSEL_PB0);
OPAMP_SetVmSel(OPAMP_CS_VMSEL_PB1);

GPIO_InitStruct(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Alternate = GPIO_NO_AF;
GPIO_InitStructure.GPIO_Speed    = GPIO_SPEED_HIGH;
GPIO_InitStructure.GPIO_Current = GPIO_DC_LOW;
GPIO_InitStructure.GPIO_Pull    = GPIO_NO_PULL;
GPIO_InitStructure.GPIO_Mode    = GPIO_MODE_ANALOG;
GPIO_InitStructure.Pin          = GPIO_PIN_0;
GPIO_InitPeripheral(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.Pin          = GPIO_PIN_1;
GPIO_InitPeripheral(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.Pin          = GPIO_PIN_6;
GPIO_InitPeripheral(GPIOA, &GPIO_InitStructure);
}

static void OPAMP_Channel_Config(void)
{
OPAMP_InitType OPAMP_Initial;

RCC_EnableAPB1PeriphClk(RCC_APB1_PERIPH_OPAMP, ENABLE);

OPAMP_DeInit();
OPAMP_StructInit(&OPAMP_Initial);
OPAMP_Initial.Mod          = OPAMP_CS_EXT_OPAMP;
OPAMP_Initial.Gain          = OPAMP_CS_PGA_GAIN_8;
OPAMP_Initial.TimeAutoMuxEn  = DISABLE;
OPAMP_Init(&OPAMP_Initial);
OPAMP_Enable(ENABLE);
}

void OPAMP_Config(void)
{
OPAMP_GPIO_Config();
OPAMP_Channel_Config();
}

//请问有人能帮忙看看这OPAMP程序是缺失哪部分配置不

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