05.02_DAC-4.76V量程(DAC0)

/**
 * @brief DAC-4.76V量程(DAC0)
 * @details 配置DAC0使用1.2V量程输出电压到P0.0。
 */

#include "lks32mc09x_gpio.h"
#include "lks32mc09x_dac.h"
volatile uint32_t setdacval = 0;
/**
 * @brief 主函数
 */
int main(void)
{
    // 配置P0.0为DAC0输出
    GPIO_InitTypeDef GPIO_InitStruct;
    GPIO_StructInit(&GPIO_InitStruct);
    GPIO_InitStruct.GPIO_Pin = GPIO_Pin_0;
    GPIO_InitStruct.GPIO_Mode = GPIO_Mode_ANA; // 模拟输入模式
    GPIO_Init(GPIO0, &GPIO_InitStruct);
    // 使能DAC0输出到IO口
    DAC_Enable(DAC_CHANNEL_0);
    DAC_SetRange(DAC_CHANNEL_0, DAC_RANGE_0_4V76);
    DAC_Output(DAC_CHANNEL_0, 1);

    while (1)
    {
        DAC_OutputValue(DAC_CHANNEL_0, setdacval); // 设置DAC0输出电压
    }
}

#define DAC_CHANNEL_0 0
#define DAC_CHANNEL_1 1
#define DAC_RANGE_0_1V2 1
#define DAC_RANGE_1_1V2 1
#define NVR_ADDR_DAC_0_AMC_1_20V 0x00001458
#define NVR_ADDR_DAC_0_AMC_4_8V 0x00001450
#define NVR_ADDR_DAC_0_DC_1_20V 0x0000145C
#define NVR_ADDR_DAC_0_DC_4_8V 0x00001454
#define NVR_ADDR_DAC_1_AMC_1_20V 0x00001468
#define NVR_ADDR_DAC_1_AMC_3_0V 0x00001460
#define NVR_ADDR_DAC_1_DC_1_20V 0x0000146C
#define NVR_ADDR_DAC_1_DC_3_0V 0x00001464
#define REG_RESET(reg,mask) reg &= ~(mask)
#define REG_SET(reg,mask) reg |= (mask)
#define REG_WRITE(reg,mask) reg = (mask)
#define SYS0 ((SYS_TypeDef *)(SYS_BASE))
#define SYS_MODULE_GPIO BIT11
/**
 * @brief GPIO功能配置结构体句柄
 */
typedef struct GPIO_InitTypeDef {
    uint32_t GPIO_Pin;
    GPIO_Mode_TypeDef GPIO_Mode;
    GPIO_PuPd_TypeDef GPIO_PuPd;
    uint32_t GPIO_PODEna;
    uint32_t GPIO_PFLT;
};
/**
 * @brief DAC使能
 * @param DAC_Channel DAC通道选择
 */
void DAC_Enable(uint8_t DAC_Channel)
{
    DAC_Cmd(DAC_Channel, ENABLE);
}
/**
 * @brief DAC输出数值设置（数字量）
 * @param DAC_Channel DAC通道选择
 * @param DACValue DAC输出数字量
 */
void DAC_OutputValue(uint8_t DAC_Channel, uint32_t DACValue)
{
    if (DACValue > 4095)
    {
        DACValue = 4095;
    }
    else
    {
        __NOP();
    }
    if (DAC_Channel == DAC_CHANNEL_0)
    {
        SYS0->AFE_DAC0 = DACValue;
    }
    else if (DAC_Channel == DAC_CHANNEL_1)
    {
        SYS0->AFE_DAC1 = DACValue >> 4; // DAC1本身是8位，DACValue是12位，这里右移4位，以方便使用
    }
    else
    {
        __NOP();
    }
}
/**
 * @brief DAC输出至IO口使能配置
 * @param DAC_Channel DAC通道选择
 * @param state 1Dac电压p0.0口 0停止输出到P0.0
 */
void DAC_Output(uint8_t DAC_Channel, uint8_t state)
{
    SYS0->PROTECT = 0x7a83;
    if (DAC_Channel == DAC_CHANNEL_0)
    {
        if (state)
        {
            SYS0->AFE_REG2 |= BIT6;
        }
        else
        {
            SYS0->AFE_REG2 &= ~BIT6;
        }
    }
    else if (DAC_Channel == DAC_CHANNEL_1)
    {
        if (state)
        {
            SYS0->AFE_REG2 |= BIT7;
        }
        else
        {
            SYS0->AFE_REG2 &= ~BIT7;
        }
    }
    else
    {
        __NOP();
    }
    SYS0->PROTECT = 0;
}
/**
 * @brief DAC通道时钟使能
 * @param DAC_Channel DAC通道选择
 * @param state 使能状态，1模块使能 0 模块关闭
 */
void DAC_Cmd(uint8_t DAC_Channel, uint8_t state)
{
    SYS0->PROTECT = 0x7a83;
    if (DAC_Channel == DAC_CHANNEL_0)
    {
        if (state)
        {
            SYS0->AFE_REG5 |= BIT1;
        }
        else
        {
            SYS0->AFE_REG5 &= ~BIT1;
        }
    }
    else
    {
        __NOP();
    }
    if (DAC_Channel == DAC_CHANNEL_1)
    {
        if (state)
        {
            SYS0->AFE_REG5 |= BIT2;
        }
        else
        {
            SYS0->AFE_REG5 &= ~BIT2;
        }
    }
    else
    {
        __NOP();
    }
    SYS0->PROTECT = 0;
}
/**
 * @brief 初始化GPIO
 * @param GPIOx GPIO模块指针
 * @param GPIO_InitStruct 指向包含初始化参数的GPIO_InitTypeDef结构体
 */
void GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_InitStruct)
{
    // 使能GPIO时钟
    SYS_ModuleClockCmd(SYS_MODULE_GPIO, ENABLE);

    // 配置引脚模式
    if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IN)
    {
        GPIOx->PIE |= GPIO_InitStruct->GPIO_Pin;  // 打开输入使能
        GPIOx->POE &= ~GPIO_InitStruct->GPIO_Pin; // 关闭输出使能
        GPIOx->PUE &= ~GPIO_InitStruct->GPIO_Pin; // 关闭上拉使能
    }
    else if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_OUT)
    {
        GPIOx->PIE &= ~GPIO_InitStruct->GPIO_Pin; // 关闭输入使能
        GPIOx->POE |= GPIO_InitStruct->GPIO_Pin;  // 使能输出
    }
    else if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IO)
    {
        GPIOx->PIE |= GPIO_InitStruct->GPIO_Pin; // 使能输入
        GPIOx->POE |= GPIO_InitStruct->GPIO_Pin; // 使能输出
    }
    else // GPIO_Mode_ANA
    {
        GPIOx->PIE &= ~GPIO_InitStruct->GPIO_Pin; // 关闭输入使能
        GPIOx->POE &= ~GPIO_InitStruct->GPIO_Pin; // 关闭输出使能
        GPIOx->PUE &= ~GPIO_InitStruct->GPIO_Pin; // 关闭上拉使能
    }

    if (GPIO_InitStruct->GPIO_PuPd == GPIO_PuPd_UP)
    {
        GPIOx->PUE |= GPIO_InitStruct->GPIO_Pin; // 使能上拉
    }
    else
    {
        GPIOx->PUE &= ~GPIO_InitStruct->GPIO_Pin; // 关闭上拉
    }
    // 配置开漏使能
    if (GPIO_InitStruct->GPIO_PODEna)
    {
        GPIOx->PODE |= GPIO_InitStruct->GPIO_Pin;
    }
    else
    {
        GPIOx->PODE &= ~GPIO_InitStruct->GPIO_Pin;
    }

    // 配置滤波使能
    if (GPIO_InitStruct->GPIO_PFLT)
    {
        GPIOx->PFLT |= GPIO_InitStruct->GPIO_Pin;
    }
    else
    {
        GPIOx->PFLT &= ~GPIO_InitStruct->GPIO_Pin;
    }
}
/**
 * @brief 初始化GPIO结构体为默认值
 * @param GPIO_InitStruct 指向要初始化的GPIO_InitTypeDef结构体
 */
void GPIO_StructInit(GPIO_InitTypeDef *GPIO_InitStruct)
{
    for (int i = 0; i < sizeof(GPIO_InitTypeDef); i++)
    {
        ((uint8_t *)GPIO_InitStruct)[i] = 0;
    }
}
/**
 * @brief 数字模块时钟使能
 * @param nModule 模块编号
 * @param state 使能或禁用状态
 */
void SYS_ModuleClockCmd(uint32_t nModule, uint8_t state)
{
    REG_WRITE(SYS0->PROTECT, 0x7a83);
    if (state)
    {
        REG_SET(SYS0->CLK_FEN, nModule);
    }
    else
    {
        REG_RESET(SYS0->CLK_FEN, nModule);
    }
    REG_WRITE(SYS0->PROTECT, 0);
}
/**
 * @brief 设置DAC量程
 * @param DAC_Channel DAC通道选择
 * @param DAC_RANGE_x DAC输出量程
 */
void DAC_SetRange(uint8_t DAC_Channel, uint32_t DAC_RANGE_x)
{
    SYS0->PROTECT = 0x7a83;
    if (DAC_Channel == DAC_CHANNEL_0)
    {
        if (DAC_RANGE_x == DAC_RANGE_0_1V2)
        {
            SYS0->AFE_REG1 |= BIT6;
            SYS0->AFE_DAC0_AMC = TRIM_Read(NVR_ADDR_DAC_0_AMC_1_20V);
            SYS0->AFE_DAC0_DC  = TRIM_Read(NVR_ADDR_DAC_0_DC_1_20V);
        }
        else
        {
            SYS0->AFE_REG1 &= ~BIT6;
            SYS0->AFE_DAC0_AMC = TRIM_Read(NVR_ADDR_DAC_0_AMC_4_8V);
            SYS0->AFE_DAC0_DC  = TRIM_Read(NVR_ADDR_DAC_0_DC_4_8V);
        }
    }
    else if (DAC_Channel == DAC_CHANNEL_1)
    {
        if (DAC_RANGE_x == DAC_RANGE_1_1V2)
        {
            SYS0->AFE_REG1 |= BIT7;
            SYS0->AFE_DAC1_AMC = TRIM_Read(NVR_ADDR_DAC_1_AMC_1_20V);
            SYS0->AFE_DAC1_DC  = TRIM_Read(NVR_ADDR_DAC_1_DC_1_20V);
        }
        else
        {
            SYS0->AFE_REG1 &= ~BIT7;
            SYS0->AFE_DAC1_AMC = TRIM_Read(NVR_ADDR_DAC_1_AMC_3_0V);
            SYS0->AFE_DAC1_DC  = TRIM_Read(NVR_ADDR_DAC_1_DC_3_0V);
        }
    }
    else
    {
        __NOP();
    }
    SYS0->PROTECT = 0;
}