53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
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#ifndef __I2C_H
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#define __I2C_H
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#include "stm32h7xx.h"
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extern I2C_HandleTypeDef I2C_Handle;
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/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַֻҪ<D6BB><D2AA>STM32<33><32><EFBFBD>ҵ<EFBFBD>I2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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#define I2C_OWN_ADDRESS7 0X0A
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#define I2Cx_FLAG_TIMEOUT ((uint32_t) 1000) //0x1100
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#define I2Cx_LONG_TIMEOUT ((uint32_t) (300 * I2Cx_FLAG_TIMEOUT)) //was300
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#define I2Cx I2C1
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#define I2Cx_CLK_ENABLE() __HAL_RCC_I2C1_CLK_ENABLE()
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#define I2Cx_SDA_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
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#define I2Cx_SCL_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
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#define I2Cx_FORCE_RESET() __HAL_RCC_I2C1_FORCE_RESET()
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#define I2Cx_RELEASE_RESET() __HAL_RCC_I2C1_RELEASE_RESET()
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/* Definition for I2Cx Pins */
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#define I2Cx_SCL_PIN GPIO_PIN_8
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#define I2Cx_SCL_GPIO_PORT GPIOB
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#define I2Cx_SCL_AF GPIO_AF4_I2C1
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#define I2Cx_SDA_PIN GPIO_PIN_9
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#define I2Cx_SDA_GPIO_PORT GPIOB
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#define I2Cx_SDA_AF GPIO_AF4_I2C1
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/*<2A><>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>*/
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#define EEPROM_DEBUG_ON 0
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#define EEPROM_INFO(fmt,arg...) printf("<<-EEPROM-INFO->> "fmt"\n",##arg)
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#define EEPROM_ERROR(fmt,arg...) printf("<<-EEPROM-ERROR->> "fmt"\n",##arg)
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#define EEPROM_DEBUG(fmt,arg...) do{\
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if(EEPROM_DEBUG_ON)\
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printf("<<-EEPROM-DEBUG->> [%d]"fmt"\n",__LINE__, ##arg);\
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}while(0)
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/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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void I2C_Mode_Config(void);
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int Sensors_I2C_ReadRegister(unsigned char slave_addr,
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unsigned char reg_addr,
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unsigned short len,
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unsigned char *data_ptr);
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int Sensors_I2C_WriteRegister(unsigned char slave_addr,
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unsigned char reg_addr,
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unsigned short len,
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unsigned char *data_ptr);
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#endif /* __I2C_H */
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