64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
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/****************************************************************************
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*
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* Copy right: 2024-, Copyrigths of EigenComm Ltd.
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* File name: api_i2c.h
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* Description: ec7xx openhal i2c entry header file
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* History: Rev1.0 2024-01-11
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*
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****************************************************************************/
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#ifndef API_I2C_H
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#define API_I2C_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "api_def.h"
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#include "sctdef.h"
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#define EC_I2C_INDEX_START (0)
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#define EC_I2C_INDEX_LIMIT (2)
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typedef enum {
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OPEN_I2C_IOCTL_ISR_CB = 0, //输入中断回调
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OPEN_I2C_IOCTL_SPEED ,
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OPEN_I2C_IOCTL_SLAVE_ADDR ,
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} api_i2c_ioctl_t;
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typedef enum {
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EVT_I2C_COMPLETED = 0,
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EVT_I2C_INCOMPLETE ,
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EVT_I2C_SLAVE_NACK ,
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EVT_I2C_BUS_ERROR ,
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EVT_I2C_ARBI_LOST ,
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EVT_I2C_TOTAL ,
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} api_i2c_flags_e;
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typedef struct {
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uint8_t addr; // Address
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uint8_t reg; // register
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uint8_t *data; // data to transfer
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uint32_t num; // Number of bytes to transfer
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} api_i2c_master_t;
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typedef struct
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{
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uint8_t (*i2c_init)(uint8_t);
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uint8_t (*i2c_scan)(uint8_t*,uint8_t);
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uint8_t (*i2c_wait)(uint8_t,uint8_t*,uint16_t,uint32_t);
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uint8_t (*i2c_read)(uint8_t,uint8_t,uint16_t,uint8_t*);
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uint8_t (*i2c_send)(uint8_t,uint8_t,uint16_t,uint8_t*);
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}i2c_func;
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int api_i2c_startup(void* para);
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uint32_t api_i2c_create(uint32_t index,void *cfg);
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api_ret_t api_i2c_delete(uint32_t usrId);
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api_ret_t api_i2c_open(uint32_t usrId,void *cfg,size_t timeout);
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api_ret_t api_i2c_close(uint32_t usrId);
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api_ret_t api_i2c_write(uint32_t usrId, void* buf, size_t count);
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api_ret_t api_i2c_read(uint32_t usrId, void* buf, size_t count);
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api_ret_t api_i2c_ioctl(uint32_t usrId,api_i2c_ioctl_t type, void *para);
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api_ret_t api_i2c_pmctl(uint32_t usrId,open_hal_pm_t *cfg, size_t count);
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uint32_t i2c_fault_wait(uint32_t usrId,size_t timeout);
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int api_test_i2c(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* API_I2C_H */
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