hpm_sccb.h

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/*
 * Copyright (c) 2023 HPMicro
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 */
 
#ifndef HPM_SCCB_H
#define HPM_SCCB_H
 
#include "hpm_common.h"
#include "hpm_soc_feature.h"
#include "hpm_i2c_drv.h"
 
typedef I2C_Type *sccb_type;
 
typedef enum _sccb_xfer_flag {
    /*Normal transfer with start condition, address, data and stop condition.*/
    sccb_xfer_no_flags,
    /*This flag allows the next transfer to change direction with repeated start*/
    sccb_xfer_no_stop,
    /*This flag allows chaining multiple writes or reads with the same direction*/
    sccb_xfer_suspend,
} sccb_xfer_flags_t;
 
typedef struct _sccb_bus {
    uint8_t initialzed;
    sccb_type sccb;
} hpm_sccb_bus_t;
 
#ifdef __cplusplus
extern "C"
{
#endif
 
hpm_stat_t sccb_master_init(sccb_type sccb);
 
uint8_t sccb_master_scan(sccb_type sccb);
 
hpm_stat_t sccb_master_gencall(sccb_type sccb, uint8_t cmd);
 
hpm_stat_t sccb_master_readb(sccb_type sccb, uint8_t slv_addr, uint8_t reg_addr, uint8_t *reg_data);
 
hpm_stat_t sccb_master_writeb(sccb_type sccb, uint8_t slv_addr, uint8_t reg_addr, uint8_t reg_data);
 
hpm_stat_t sccb_master_readb2(sccb_type sccb, uint8_t slv_addr, uint16_t reg_addr, uint8_t *reg_data);
 
hpm_stat_t sccb_master_writeb2(sccb_type sccb, uint8_t slv_addr, uint16_t reg_addr, uint8_t reg_data);
 
hpm_stat_t sccb_master_readw(sccb_type sccb, uint8_t slv_addr, uint8_t reg_addr, uint16_t *reg_data);
 
hpm_stat_t sccb_master_writew(sccb_type sccb, uint8_t slv_addr, uint8_t reg_addr, uint16_t reg_data);
 
hpm_stat_t sccb_master_readw2(sccb_type sccb, uint8_t slv_addr, uint16_t reg_addr, uint16_t *reg_data);
 
hpm_stat_t sccb_master_writew2(sccb_type sccb, uint8_t slv_addr, uint16_t reg_addr, uint16_t reg_data);
 
hpm_stat_t sccb_master_read_bytes(sccb_type sccb, uint8_t slv_addr, uint8_t *buf, const uint32_t len, uint8_t flags);
 
hpm_stat_t cambus_write_bytes(sccb_type sccb, uint8_t slv_addr, uint8_t *buf, const uint32_t len, uint8_t flags);
 
#ifdef __cplusplus
}
#endif
 
#endif