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| | | void IIC2_Init(void) |
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| | | { |
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| | | GPIO_InitTypeDef GPIO_InitStructure= {0}; |
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| | | __HAL_RCC_GPIOA_CLK_ENABLE(); |
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| | | GPIO_InitStructure.Pin = SCL_Pin|SDA_Pin; |
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| | | |
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| | | GPIO_InitStructure.Pin = SDA_Pin; |
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| | | GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_OD ; //推挽输出 |
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| | | GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH; |
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| | | HAL_GPIO_Init(SDA_GPIO_Port, &GPIO_InitStructure); |
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| | | |
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| | | GPIO_InitStructure.Pin = SCL_Pin; |
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| | | GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_OD ; //推挽输出 |
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| | | GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH; |
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| | | HAL_GPIO_Init(SCL_GPIO_Port, &GPIO_InitStructure); |
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| | | HAL_GPIO_WritePin(SCL_GPIO_Port,SCL_Pin|SDA_Pin,GPIO_PIN_SET); //PB6,PB7 输出高 |
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| | | |
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| | | HAL_GPIO_WritePin(SCL_GPIO_Port,SCL_Pin,GPIO_PIN_SET); //PB6,PB7 输出高 |
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| | | HAL_GPIO_WritePin(SDA_GPIO_Port,SDA_Pin,GPIO_PIN_SET); |
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| | | } |
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| | | uint8_t LIS3DH_ReadReg(uint8_t Reg, uint8_t* Data); |
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| | | void LIS3DH_Check(void) |
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| | | |
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| | | uint8_t lisid,response; |
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| | | uint8_t lisidtemp; |
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| | | |
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| | | IIC2_Init(); |
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| | | LIS3DH_WriteReg(LIS3DH_CTRL_REG1, 0x57); /* CTRL_REG1(20h): ??sensor,???????? ODR 25HZ */ |
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| | | LIS3DH_WriteReg(LIS3DH_CTRL_REG2, 0x03); /* CTRL_REG2(21h): IA1?IA2 ?????? bc */ |
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