vl53l0x stm32程序
- #include "vl53l0x_gen.h"
- VL53L0X_RangingMeasurementData_t vl53l0x_data;//测距测量结构体
- vu16 Distance_data=0;//保存测距数据
- //VL53L0X 测量模式配置
- //dev:设备I2C参数结构体
- //mode: 0:默认;1:高精度;2:长距离;3:高速
- VL53L0X_Error vl53l0x_set_mode(VL53L0X_Dev_t *dev,u8 mode)
- {
-
- VL53L0X_Error status = VL53L0X_ERROR_NONE;
- uint8_t VhvSettings;
- uint8_t PhaseCal;
- uint32_t refSpadCount;
- uint8_t isApertureSpads;
-
- vl53l0x_reset(dev);//复位vl53l0x(频繁切换工作模式容易导致采集距离数据不准,需加上这一代码)
- status = VL53L0X_StaticInit(dev);
- if(AjustOK!=0)//已校准好了,写入校准值
- {
- status= VL53L0X_SetReferenceSpads(dev,Vl53l0x_data.refSpadCount,Vl53l0x_data.isApertureSpads);//设定Spads校准值
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status= VL53L0X_SetRefCalibration(dev,Vl53l0x_data.VhvSettings,Vl53l0x_data.PhaseCal);//设定Ref校准值
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status=VL53L0X_SetOffsetCalibrationDataMicroMeter(dev,Vl53l0x_data.OffsetMicroMeter);//设定偏移校准值
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status=VL53L0X_SetXTalkCompensationRateMegaCps(dev,Vl53l0x_data.XTalkCompensationRateMegaCps);//设定串扰校准值
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
-
- }
- else
- {
- status = VL53L0X_PerformRefCalibration(dev, &VhvSettings, &PhaseCal);//Ref参考校准
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_PerformRefSpadManagement(dev, &refSpadCount, &isApertureSpads);//执行参考SPAD管理
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- }
- status = VL53L0X_SetDeviceMode(dev,VL53L0X_DEVICEMODE_SINGLE_RANGING);//使能单次测量模式
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetLimitCheckEnable(dev,VL53L0X_CHECKENABLE_SIGMA_FINAL_RANGE,1);//使能SIGMA范围检查
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetLimitCheckEnable(dev,VL53L0X_CHECKENABLE_SIGNAL_RATE_FINAL_RANGE,1);//使能信号速率范围检查
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetLimitCheckValue(dev,VL53L0X_CHECKENABLE_SIGMA_FINAL_RANGE,Mode_data[mode].sigmaLimit);//设定SIGMA范围
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetLimitCheckValue(dev,VL53L0X_CHECKENABLE_SIGNAL_RATE_FINAL_RANGE,Mode_data[mode].signalLimit);//设定信号速率范围范围
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetMeasurementTimingBudgetMicroSeconds(dev,Mode_data[mode].timingBudget);//设定完整测距最长时间
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetVcselPulsePeriod(dev, VL53L0X_VCSEL_PERIOD_PRE_RANGE, Mode_data[mode].preRangeVcselPeriod);//设定VCSEL脉冲周期
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetVcselPulsePeriod(dev, VL53L0X_VCSEL_PERIOD_FINAL_RANGE, Mode_data[mode].finalRangeVcselPeriod);//设定VCSEL脉冲周期范围
-
- error://错误信息
- if(status!=VL53L0X_ERROR_NONE)
- {
- print_pal_error(status);
- LCD_Fill(30,140+20,300,300,WHITE);
- return status;
- }
- return status;
-
- }
- //VL53L0X 单次距离测量函数
- //dev:设备I2C参数结构体
- //pdata:保存测量数据结构体
- VL53L0X_Error vl53l0x_start_single_test(VL53L0X_Dev_t *dev,VL53L0X_RangingMeasurementData_t *pdata,char *buf)
- {
- VL53L0X_Error status = VL53L0X_ERROR_NONE;
- uint8_t RangeStatus;
-
- status = VL53L0X_PerformSingleRangingMeasurement(dev, pdata);//执行单次测距并获取测距测量数据
- if(status !=VL53L0X_ERROR_NONE) return status;
-
- RangeStatus = pdata->RangeStatus;//获取当前测量状态
- memset(buf,0x00,VL53L0X_MAX_STRING_LENGTH);
- VL53L0X_GetRangeStatusString(RangeStatus,buf);//根据测量状态读取状态字符串
-
- Distance_data = pdata->RangeMilliMeter;//保存最近一次测距测量数据
-
- return status;
- }
- //启动普通测量
- //dev:设备I2C参数结构体
- //mode模式配置 0:默认;1:高精度;2:长距离
- void vl53l0x_general_start(VL53L0X_Dev_t *dev,u8 mode)
- {
- static char buf[VL53L0X_MAX_STRING_LENGTH];//测试模式字符串字符缓冲区
- VL53L0X_Error Status=VL53L0X_ERROR_NONE;//工作状态
- u8 key=0;
- u8 i=0;
-
- LED0=1;
- mode_string(mode,buf);//显示当前配置的模式
- while(vl53l0x_set_mode(dev,mode))//配置精度模式
- {
- LCD_ShowString(30,140+40,200,16,16,"Mode Set Error!!!");
- delay_ms(500);
- LCD_ShowString(30,140+40,200,16,16," ");
- delay_ms(500);
- i++;
- if(i==2) return;
-
- }
- LCD_Fill(30,140+20,300,300,WHITE);
- LCD_ShowString(30,140+30,200,16,16,"KEY_UP: Exit the test ");
- LCD_ShowString(30,140+50,200,16,16,"Mode: ");
- LCD_ShowString(80,140+50,200,16,16,(u8*)buf);
- LCD_ShowString(30,140+70,200,16,16,"State:");//显示测量状态
- LCD_ShowString(30,140+90,200,16,16,"Distance: 0 mm");//显示测量距离
- while(1)
- {
- key = KEY_Scan(0);
- if(key == WKUP_PRES)
- {
- LED1=1;
- break;//返回上一菜单
-
- }
- if(Status==VL53L0X_ERROR_NONE)
- {
- Status = vl53l0x_start_single_test(dev,&vl53l0x_data,buf);//执行一次测量
- LCD_ShowString(85,140+70,200,16,16,(u8*)buf);
- LCD_ShowxNum(110,140+90,Distance_data,4,16,0);
- //printf("State;%i , %s\r\n",vl53l0x_data.RangeStatus,buf);//打印测量状态
- printf("d: %4imm\r\n",Distance_data);//打印测量距离
- }
- i++;
- if(i==5)
- {
- i=0;
- LED1=!LED1;
- }
- delay_ms(50);
-
- }
-
- }
- //vl53l0x普通测量模式UI
- void general_ui(void)
- {
- LCD_Fill(30,140+20,300,300,WHITE);
- POINT_COLOR=RED; //设置字体为红色
- LCD_ShowString(30,140+30,300,16,16,"General Mode ");
- LCD_ShowString(30,140+55,300,16,16,"KEY1: Switch working mode ");
- POINT_COLOR=BLUE; //设置字体为蓝色
- LCD_ShowString(30,140+75,300,16,16, "KEY_UP: Return menu ");
- LCD_ShowString(30,140+95,300,16,16, "KEY0: Default ");
-
- }
- //vl53l0x普通测量模式测试
- //dev:设备I2C参数结构体
- void vl53l0x_general_test(VL53L0X_Dev_t *dev)
- {
- u8 key=0;
- u8 i=0;
- u8 mode=0;
- LED1=1;
- general_ui();//显示普通测量模式UI
-
- while(1)
- {
- key = KEY_Scan(0);
-
- if(key==WKUP_PRES) break;//返回主菜单
-
- else if(key==KEY1_PRES)//选择工作模式
- {
- mode++;
- if(mode==4) mode=0;
- switch(mode)
- {
- case Default_Mode: LCD_ShowString(95,140+95,300,16,16, "Default "); break;//默认
- case HIGH_ACCURACY: LCD_ShowString(95,140+95,300,16,16, "High Accuracy "); break;//高精度
- case LONG_RANGE: LCD_ShowString(95,140+95,300,16,16, "Long Range "); break;//长距离
- case HIGH_SPEED: LCD_ShowString(95,140+95,300,16,16, "High Speed "); break;//高速
- }
- }
- else if(key==KEY0_PRES)//启动测量
- {
- vl53l0x_general_start(dev,mode);
- general_ui();
- mode=0;
- }
- i++;
- if(i==5)
- {
- i=0;
- LED0=!LED0;
- }
- delay_ms(50);
- }
-
- }
复制代码- #include "vl53l0x_it.h"
- //上下限距离值 单位:mm
- #define Thresh_Low 60
- #define Thresh_High 150
- //中断模式参数结构体
- typedef struct
- {
- const int VL53L0X_Mode;//模式
- uint32_t ThreshLow; //下限值
- uint32_t ThreshHigh; //上限值
- }AlrmMode_t;
- AlrmMode_t AlarmModes ={
-
- VL53L0X_GPIOFUNCTIONALITY_THRESHOLD_CROSSED_OUT,// value < thresh_low OR value > thresh_high
- Thresh_Low<<16,
- Thresh_High<<16
- };
- //中断配置初始化
- static void exti_init(void)
- {
- GPIO_InitTypeDef GPIO_InitStructure;
- EXTI_InitTypeDef EXTI_InitStructure;
- NVIC_InitTypeDef NVIC_InitStructure;
-
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);//使能PORTA时钟
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE); //使能复用功能时钟
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //设置成上拉输入
- GPIO_Init(GPIOA, &GPIO_InitStructure);
- GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource4);
- EXTI_InitStructure.EXTI_Line = EXTI_Line4;
- EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
- EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;//下降沿触发
- EXTI_InitStructure.EXTI_LineCmd = ENABLE;
- EXTI_Init(&EXTI_InitStructure); //根据EXTI_InitStruct中指定的参数初始化外设EXTI寄存器
-
- NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQn; //使能按键WK_UP所在的外部中断通道
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02; //抢占优先级2,
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x03; //子优先级3
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能外部中断通道
- NVIC_Init(&NVIC_InitStructure);
-
- }
- //警报标志位 alarm_flag
- //1:有警报
- //0:无
- u8 alarm_flag=0;
- //外部中断服务函数
- void EXTI4_IRQHandler(void)
- {
- alarm_flag=1;//标志
- EXTI_ClearITPendingBit(EXTI_Line4); //清除LINE4上的中断标志位
- }
- extern uint8_t AjustOK;
- extern mode_data Mode_data[];
- //vl53l0x中断测量模式测试
- //dev:设备I2C参数结构体
- //mode: 0:默认;1:高精度;2:长距离;3:高速
- void vl53l0x_interrupt_start(VL53L0X_Dev_t *dev,uint8_t mode)
- {
- uint8_t VhvSettings;
- uint8_t PhaseCal;
- uint32_t refSpadCount;
- uint8_t isApertureSpads;
- VL53L0X_RangingMeasurementData_t RangingMeasurementData;
- static char buf[VL53L0X_MAX_STRING_LENGTH];//测试模式字符串字符缓冲区
- VL53L0X_Error status=VL53L0X_ERROR_NONE;//工作状态
- u8 key;
- exti_init();//中断初始化
- LED0=1;
- mode_string(mode,buf);//显示当前配置的模式
- LCD_Fill(30,170,300,300,WHITE);
- POINT_COLOR=RED; //设置字体为红色
- LCD_ShowString(30,140+30,300,16,16,"Interrupt Mode ");
- POINT_COLOR=BLUE; //设置字体为蓝色
- LCD_ShowString(30,140+50,200,16,16,"KEY_UP: Exit the test ");
- LCD_ShowString(30,140+70,200,16,16,"Mode: ");
- LCD_ShowString(80,140+70,200,16,16,(u8*)buf);
- sprintf((char*)buf,"Thresh Low: %d mm ",Thresh_Low);
- LCD_ShowString(30,140+90,300,16,16,(u8*)buf);
- sprintf((char*)buf,"Thresh High: %d mm",Thresh_High);
- LCD_ShowString(30,140+110,300,16,16,(u8*)buf);
- LCD_ShowString(30,140+130,300,16,16,"Now value: mm");
-
- vl53l0x_reset(dev);//复位vl53l0x(频繁切换工作模式容易导致采集距离数据不准,需加上这一代码)
- status = VL53L0X_StaticInit(dev);
- if(status!=VL53L0X_ERROR_NONE) goto error;
- if(AjustOK!=0)//已校准好了,写入校准值
- {
- status= VL53L0X_SetReferenceSpads(dev,Vl53l0x_data.refSpadCount,Vl53l0x_data.isApertureSpads);//设定Spads校准值
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status= VL53L0X_SetRefCalibration(dev,Vl53l0x_data.VhvSettings,Vl53l0x_data.PhaseCal);//设定Ref校准值
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status=VL53L0X_SetOffsetCalibrationDataMicroMeter(dev,Vl53l0x_data.OffsetMicroMeter);//设定偏移校准值
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status=VL53L0X_SetXTalkCompensationRateMegaCps(dev,Vl53l0x_data.XTalkCompensationRateMegaCps);//设定串扰校准值
- if(status!=VL53L0X_ERROR_NONE) goto error;
- }else
- {
- status = VL53L0X_PerformRefCalibration(dev, &VhvSettings, &PhaseCal);//Ref参考校准
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_PerformRefSpadManagement(dev, &refSpadCount, &isApertureSpads);//执行参考SPAD管理
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- }
- status = VL53L0X_SetDeviceMode(dev,VL53L0X_DEVICEMODE_CONTINUOUS_RANGING);//使能连续测量模式
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetInterMeasurementPeriodMilliSeconds(dev,Mode_data[mode].timingBudget);//设置内部周期测量时间
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetLimitCheckEnable(dev,VL53L0X_CHECKENABLE_SIGMA_FINAL_RANGE,1);//使能SIGMA范围检查
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetLimitCheckEnable(dev,VL53L0X_CHECKENABLE_SIGNAL_RATE_FINAL_RANGE,1);//使能信号速率范围检查
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetLimitCheckValue(dev,VL53L0X_CHECKENABLE_SIGMA_FINAL_RANGE,Mode_data[mode].sigmaLimit);//设定SIGMA范围
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetLimitCheckValue(dev,VL53L0X_CHECKENABLE_SIGNAL_RATE_FINAL_RANGE,Mode_data[mode].signalLimit);//设定信号速率范围范围
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetMeasurementTimingBudgetMicroSeconds(dev,Mode_data[mode].timingBudget);//设定完整测距最长时间
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetVcselPulsePeriod(dev, VL53L0X_VCSEL_PERIOD_PRE_RANGE, Mode_data[mode].preRangeVcselPeriod);//设定VCSEL脉冲周期
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetVcselPulsePeriod(dev, VL53L0X_VCSEL_PERIOD_FINAL_RANGE, Mode_data[mode].finalRangeVcselPeriod);//设定VCSEL脉冲周期范围
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_StopMeasurement(dev);//停止测量
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetInterruptThresholds(dev,VL53L0X_DEVICEMODE_CONTINUOUS_RANGING,AlarmModes.ThreshLow, AlarmModes.ThreshHigh);//设定触发中断上、下限值
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_SetGpioConfig(dev,0,VL53L0X_DEVICEMODE_CONTINUOUS_RANGING,AlarmModes.VL53L0X_Mode,VL53L0X_INTERRUPTPOLARITY_LOW);//设定触发中断模式 下降沿
- if(status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- status = VL53L0X_ClearInterruptMask(dev,0);//清除VL53L0X中断标志位
-
- error://错误信息
- if(status!=VL53L0X_ERROR_NONE)
- {
- print_pal_error(status);
- return ;
- }
- alarm_flag = 0;
- VL53L0X_StartMeasurement(dev);//启动测量
- while(1)
- {
- key = KEY_Scan(0);
- if(key==WKUP_PRES)
- {
- VL53L0X_ClearInterruptMask(dev,0);//清除VL53L0X中断标志位
- status = VL53L0X_StopMeasurement(dev); //停止测量
- LED1=1;
- break;//返回上一菜单
- }
- if(alarm_flag==1)//触发中断
- {
- alarm_flag=0;
- VL53L0X_GetRangingMeasurementData(dev,&RangingMeasurementData);//获取测量距离,并且显示距离
- printf("d: %3d mm\r\n",RangingMeasurementData.RangeMilliMeter);
- LCD_ShowxNum(110,140+130,RangingMeasurementData.RangeMilliMeter,4,16,0);
- delay_ms(70);
- VL53L0X_ClearInterruptMask(dev,0);//清除VL53L0X中断标志位
-
- }
- delay_ms(30);
- LED1=!LED1;
- }
-
- }
- //vl53l0x中断测量模式UI
- void interrupt_ui(void)
- {
- LCD_Fill(30,140+20,300,300,WHITE);
- POINT_COLOR=RED; //设置字体为红色
- LCD_ShowString(30,140+30,300,16,16,"Interrupt Mode ");
- LCD_ShowString(30,140+55,300,16,16,"KEY1: Switch working mode ");
- POINT_COLOR=BLUE; //设置字体为蓝色
- LCD_ShowString(30,140+75,300,16,16, "KEY_UP: Return menu ");
- LCD_ShowString(30,140+95,300,16,16, "KEY0: Default ");
-
- }
- //vl53l0x中断测量模式测试
- //dev:设备I2C参数结构体
- void vl53l0x_interrupt_test(VL53L0X_Dev_t *dev)
- {
- u8 key=0;
- u8 i=0;
- u8 mode=0;
- LED1=1;
- interrupt_ui();//显示中断测量模式UI
-
- while(1)
- {
- key = KEY_Scan(0);
-
- if(key==WKUP_PRES) break;//返回主菜单
-
- else if(key==KEY1_PRES)//选择工作模式
- {
- mode++;
- if(mode==4) mode=0;
-
- switch(mode)
- {
- case Default_Mode: LCD_ShowString(95,140+95,300,16,16, "Default "); break;//默认
- case HIGH_ACCURACY: LCD_ShowString(95,140+95,300,16,16, "High Accuracy "); break;//高精度
- case LONG_RANGE: LCD_ShowString(95,140+95,300,16,16, "Long Range "); break;//长距离
- case HIGH_SPEED: LCD_ShowString(95,140+95,300,16,16, "High Speed "); break;//高速
- }
- }
- else if(key==KEY0_PRES)//启动测量
- {
- vl53l0x_interrupt_start(dev,mode);
- interrupt_ui();
- mode=0;
- }
- i++;
- if(i==5)
- {
- i=0;
- LED0=!LED0;
- }
- delay_ms(50);
- }
-
- }
复制代码
- #include "vl53l0x.h"
- VL53L0X_Dev_t vl53l0x_dev;//设备I2C数据参数
- VL53L0X_DeviceInfo_t vl53l0x_dev_info;//设备ID版本信息
- uint8_t AjustOK=0;//校准标志位
- //VL53L0X各精度模式参数
- //0:默认;1:高精度;2:长距离;3:高速
- mode_data Mode_data[]=
- {
- {(FixPoint1616_t)(0.25*65536),
- (FixPoint1616_t)(18*65536),
- 33000,
- 14,
- 10},//默认
-
- {(FixPoint1616_t)(0.25*65536) ,
- (FixPoint1616_t)(18*65536),
- 200000,
- 14,
- 10},//高精度
-
- {(FixPoint1616_t)(0.1*65536) ,
- (FixPoint1616_t)(60*65536),
- 33000,
- 18,
- 14},//长距离
-
- {(FixPoint1616_t)(0.25*65536) ,
- (FixPoint1616_t)(32*65536),
- 20000,
- 14,
- 10},//高速
-
- };
- //API错误信息打印
- //Status:详情看VL53L0X_Error参数的定义
- void print_pal_error(VL53L0X_Error Status)
- {
-
- char buf[VL53L0X_MAX_STRING_LENGTH];
-
- VL53L0X_GetPalErrorString(Status,buf);//根据Status状态获取错误信息字符串
-
- printf("API Status: %i : %s\r\n",Status, buf);//打印状态和错误信息
-
- }
- //模式字符串显示
- //mode:0-默认;1-高精度;2-长距离;3-高速
- void mode_string(u8 mode,char *buf)
- {
- switch(mode)
- {
- case Default_Mode: strcpy(buf,"Default"); break;
- case HIGH_ACCURACY: strcpy(buf,"High Accuracy"); break;
- case LONG_RANGE: strcpy(buf,"Long Range"); break;
- case HIGH_SPEED: strcpy(buf,"High Speed"); break;
- }
- }
- //配置VL53L0X设备I2C地址
- //dev:设备I2C参数结构体
- //newaddr:设备新I2C地址
- VL53L0X_Error vl53l0x_Addr_set(VL53L0X_Dev_t *dev,uint8_t newaddr)
- {
- uint16_t Id;
- uint8_t FinalAddress;
- VL53L0X_Error Status = VL53L0X_ERROR_NONE;
- u8 sta=0x00;
-
- FinalAddress = newaddr;
-
- if(FinalAddress==dev->I2cDevAddr)//新设备I2C地址与旧地址一致,直接退出
- return VL53L0X_ERROR_NONE;
- //在进行第一个寄存器访问之前设置I2C标准模式(400Khz)
- Status = VL53L0X_WrByte(dev,0x88,0x00);
- if(Status!=VL53L0X_ERROR_NONE)
- {
- sta=0x01;//设置I2C标准模式出错
- goto set_error;
- }
- //尝试使用默认的0x52地址读取一个寄存器
- Status = VL53L0X_RdWord(dev, VL53L0X_REG_IDENTIFICATION_MODEL_ID, &Id);
- if(Status!=VL53L0X_ERROR_NONE)
- {
- sta=0x02;//读取寄存器出错
- goto set_error;
- }
- if(Id == 0xEEAA)
- {
- //设置设备新的I2C地址
- Status = VL53L0X_SetDeviceAddress(dev,FinalAddress);
- if(Status!=VL53L0X_ERROR_NONE)
- {
- sta=0x03;//设置I2C地址出错
- goto set_error;
- }
- //修改参数结构体的I2C地址
- dev->I2cDevAddr = FinalAddress;
- //检查新的I2C地址读写是否正常
- Status = VL53L0X_RdWord(dev, VL53L0X_REG_IDENTIFICATION_MODEL_ID, &Id);
- if(Status!=VL53L0X_ERROR_NONE)
- {
- sta=0x04;//新I2C地址读写出错
- goto set_error;
- }
- }
- set_error:
- if(Status!=VL53L0X_ERROR_NONE)
- {
- print_pal_error(Status);//打印错误信息
- }
- if(sta!=0)
- printf("sta:0x%x\r\n",sta);
- return Status;
- }
- //vl53l0x复位函数
- //dev:设备I2C参数结构体
- void vl53l0x_reset(VL53L0X_Dev_t *dev)
- {
- uint8_t addr;
- addr = dev->I2cDevAddr;//保存设备原I2C地址
- VL53L0X_Xshut=0;//失能VL53L0X
- delay_ms(30);
- VL53L0X_Xshut=1;//使能VL53L0X,让传感器处于工作(I2C地址会恢复默认0X52)
- delay_ms(30);
- dev->I2cDevAddr=0x52;
- vl53l0x_Addr_set(dev,addr);//设置VL53L0X传感器原来上电前原I2C地址
- VL53L0X_DataInit(dev);
- }
- //初始化vl53l0x
- //dev:设备I2C参数结构体
- VL53L0X_Error vl53l0x_init(VL53L0X_Dev_t *dev)
- {
- GPIO_InitTypeDef GPIO_InitStructure;
- VL53L0X_Error Status = VL53L0X_ERROR_NONE;
- VL53L0X_Dev_t *pMyDevice = dev;
-
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE); //使能AFIO时钟
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE); //先使能外设IO PORTA时钟
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; //端口配置
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度为50MHz
- GPIO_Init(GPIOA, &GPIO_InitStructure); //根据设定参数初始化GPIOA
- GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//禁止JTAG,从而PA15可以做普通IO使用,否则PA15不能做普通IO!!!
-
- pMyDevice->I2cDevAddr = VL53L0X_Addr;//I2C地址(上电默认0x52)
- pMyDevice->comms_type = 1; //I2C通信模式
- pMyDevice->comms_speed_khz = 400; //I2C通信速率
-
- VL53L0X_i2c_init();//初始化IIC总线
-
- VL53L0X_Xshut=0;//失能VL53L0X
- delay_ms(30);
- VL53L0X_Xshut=1;//使能VL53L0X,让传感器处于工作
- delay_ms(30);
-
- vl53l0x_Addr_set(pMyDevice,0x54);//设置VL53L0X传感器I2C地址
- if(Status!=VL53L0X_ERROR_NONE) goto error;
- Status = VL53L0X_DataInit(pMyDevice);//设备初始化
- if(Status!=VL53L0X_ERROR_NONE) goto error;
- delay_ms(2);
- Status = VL53L0X_GetDeviceInfo(pMyDevice,&vl53l0x_dev_info);//获取设备ID信息
- if(Status!=VL53L0X_ERROR_NONE) goto error;
-
- AT24CXX_Read(0,(u8*)&Vl53l0x_data,sizeof(_vl53l0x_adjust));//读取24c02保存的校准数据,若已校准 Vl53l0x_data.adjustok==0xAA
- if(Vl53l0x_data.adjustok==0xAA)//已校准
- AjustOK=1;
- else //没校准
- AjustOK=0;
-
- error:
- if(Status!=VL53L0X_ERROR_NONE)
- {
- print_pal_error(Status);//打印错误信息
- return Status;
- }
-
- return Status;
- }
- //主菜单界面
- void vl53l0x_mtest_ui(void)
- {
- POINT_COLOR=BLUE;//设置字体为蓝色
- LCD_Fill(30,170,300,300,WHITE);
- LCD_ShowString(30,170,200,16,16,"KEY_UP: Calibration mode");//校准模式
- LCD_ShowString(30,190,200,16,16,"KEY1: General mode"); //普通测量模式
- LCD_ShowString(30,210,200,16,16,"KEY0: Interrupt mode"); //中断测量模式
- }
- //VL53L0X主测试程序
- void vl53l0x_test(void)
- {
- u8 i=0;
- u8 key=0;
- while(vl53l0x_init(&vl53l0x_dev))//vl53l0x初始化
- {
- LCD_ShowString(30,140,200,16,16,"VL53L0X Error!!!");
- delay_ms(500);
- LCD_ShowString(30,140,200,16,16," ");
- delay_ms(500);
- LED0=!LED0;//DS0闪烁
- }
- printf("VL53L0X OK\r\n");
- LCD_ShowString(30,140,200,16,16,"VL53L0X OK");
- vl53l0x_mtest_ui();//主菜单显示
- while(1)
- {
-
- key = KEY_Scan(0);
- if(key)
- {
- switch(key)
- {
- case WKUP_PRES: vl53l0x_calibration_test(&vl53l0x_dev); break;//校准模式
- case KEY1_PRES: vl53l0x_general_test(&vl53l0x_dev); break;//普通测量模式
- case KEY0_PRES: vl53l0x_interrupt_test(&vl53l0x_dev); break;//中断测量模式
- }
- vl53l0x_mtest_ui();
- }
- i++;
- if(i==5)
- {
- i=0;
- LED0=!LED0;
- }
- delay_ms(50);
-
- }
- }
- //----------以下函数为USMART调用------------//
- //获取vl53l0x传感器ID信息
- void vl53l0x_info(void)
- {
- printf("\r\n-------vl53l0x传感器设备信息-------\r\n\r\n");
- printf(" Name:%s\r\n",vl53l0x_dev_info.Name);
- printf(" Addr:0x%x\r\n",vl53l0x_dev.I2cDevAddr);
- printf(" ProductId:%s\r\n",vl53l0x_dev_info.ProductId);
- printf(" RevisionMajor:0x%x\r\n",vl53l0x_dev_info.ProductRevisionMajor);
- printf(" RevisionMinor:0x%x\r\n",vl53l0x_dev_info.ProductRevisionMinor);
- printf("\r\n-----------------------------------\r\n");
- }
- //获取一次测量距离数据
- //mode模式配置 0:默认;1:高精度;2:长距离;3:高速
- void One_measurement(u8 mode)
- {
- vl53l0x_set_mode(&vl53l0x_dev,mode);
- VL53L0X_PerformSingleRangingMeasurement(&vl53l0x_dev,&vl53l0x_data);
- printf("\r\n d: %4d mm.\r\n",vl53l0x_data.RangeMilliMeter);
-
- }
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