49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
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#ifndef _SW_I2C_H_
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#define _SW_I2C_H_
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#include "ec_i2c.h"
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#define SDA_GPIO_INSTANCE (1)
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#define SDA_GPIO_PIN (8)
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#define SDA_PAD_INDEX (49)
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#define SDA_PAD_ALT_FUNC (PAD_MUX_ALT0) //AGPIO4 = GPIO24
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#define SCL_GPIO_INSTANCE (1)
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#define SCL_GPIO_PIN (9)
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#define SCL_PAD_INDEX (50)
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#define SCL_PAD_ALT_FUNC (PAD_MUX_ALT0) //AGPIO5 = GPIO25
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// #define SDA_GPIO_INSTANCE (2)
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// #define SDA_GPIO_PIN (2)
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// #define SDA_PAD_INDEX (40)
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// #define SDA_PAD_ALT_FUNC (PAD_MUX_ALT0) //GPIO34
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// #define SCL_GPIO_INSTANCE (2)
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// #define SCL_GPIO_PIN (3)
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// #define SCL_PAD_INDEX (41)
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// #define SCL_PAD_ALT_FUNC (PAD_MUX_ALT0) //GPIO35
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#define READ_CMD 1
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#define WRITE_CMD 0
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typedef struct sw_i2c_dev
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{
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uint8_t interval;
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void (*delay)(uint32_t);
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void (*output)(uint8_t);
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void (*sda)(uint8_t);
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void (*scl)(uint8_t);
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uint8_t (*val)(void);
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}sw_i2c_bus;
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bus_t sw_i2c_default(void);
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uint8_t sw_i2c_init(uint8_t sn);
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uint8_t sw_i2c_scan(uint8_t *data, uint8_t max);
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uint8_t sw_i2c_wait(uint8_t dev_id, uint8_t *data, uint16_t len, uint32_t time) ;
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uint8_t sw_i2c_send(uint8_t dev_id, uint8_t reg_addr, uint16_t len, uint8_t *data);
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uint8_t sw_i2c_read(uint8_t dev_id, uint8_t reg_addr, uint16_t len, uint8_t *data);
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#endif /* _SW_I2C_H_ */
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