kendryte-standalone-sdk/lib/firmware/include/sd3068.h

48 lines
1.5 KiB
C

/* Copyright 2018 Canaan Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _SD3068_H
#define _SD3068_H
#include <stdint.h>
#define SD3068_ADDR 0x32
#define SD3068_ADDR_LENTH 7
struct time_t
{
uint32_t year:6;
uint32_t month:4;
uint32_t day:5;
uint32_t hour:5;
uint32_t min:6;
uint32_t sec:6;
} __attribute__((packed, aligned(4)));
void sd3068_init(uint8_t sel);
int sd3068_write_enable(void);
int sd3068_write_disable(void);
int sd3068_set_time(struct time_t time);
int sd3068_get_time(struct time_t *time);
int sd3068_write_data(uint8_t addr, uint8_t *data_buf, uint8_t length);
int sd3068_read_data(uint8_t addr, uint8_t *data_buf, uint8_t length);
int sd3068_set_time_dma(struct time_t time);
int sd3068_write_enable_dma(void);
int sd3068_get_time_dma(struct time_t *time);
int sd3068_read_data_dma(uint8_t addr, uint8_t *data_buf, uint8_t length);
int sd3068_write_data_dma(uint8_t addr, uint8_t *data_buf, uint8_t length);
#endif