基于stm32的mup6050问题!!!!!!!!

尘世入门 · 发表于 2020-5-13 17:21:06

mpu6050的源代码，我想修改scl、sda引脚，需要修改及格地方？

明年再恋爱 · 发表于 2020-5-13 17:21:06

路过留痕，帮顶。

尘世入门 · 发表于 2020-5-13 18:02:13

//IO·½ÏòéèÖÃ
#define MPU_SDA_IN()  {GPIOB->CRL&=0X0FFFFFFF;GPIOB->CRL|=3<<28;}
#define MPU_SDA_OUT() {GPIOB->CRL&=0X0FFFFFFF;GPIOB->CRL|=3<<28;}

//IO2ù×÷oˉêy
#define MPU_IIC_SCL PBout(6) //SCL
#define MPU_IIC_SDA PBout(7) //SDA
#define MPU_READ_SDA PBin(7) //êäèëSDA

尘世入门 · 发表于 2020-5-13 18:03:33

//IO·½ÏòéèÖÃ
#define MPU_SDA_IN()  {GPIOB->CRL&=0X0FFFFFFF;GPIOB->CRL|=3<<28;}
#define MPU_SDA_OUT() {GPIOB->CRL&=0X0FFFFFFF;GPIOB->CRL|=3<<28;}

//IO2ù×÷oˉêy
#define MPU_IIC_SCL PBout(6)                //SCL
#define MPU_IIC_SDA PBout(7)                //SDA
#define MPU_READ_SDA PBin(7)                //êäèëSDA

//3õê¼»ˉIIC
void MPU_IIC_Init(void)
{
  GPIO_InitTypeDef  GPIO_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);//Ïèê1ÄüíaéèIO PORTBê±Öó

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6|GPIO_Pin_7;    // ¶Ë¿úÅäÖÃ
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;    //íÆíìêä3ö
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;    //IO¿úËù¶èÎa50MHz
  GPIO_Init(GPIOB, &GPIO_InitStructure);    //¸ù¾Yéè¶¨2Îêy3õê¼»ˉGPIO

  GPIO_SetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_6);    //PB10,PB11 êä3ö¸ß

}

这两个地方我都改啦，还是一直显示MPU6050 Error