rt-thread/bsp/thead-smart/drivers/dw_timer.h

49 lines
1.4 KiB
C

/*
* Copyright (C) 2017-2019 Alibaba Group Holding Limited
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-08-20 zx.chen header file for timer driver
*/
#ifndef __DW_TIMER_H
#define __DW_TIMER_H
#include <stdio.h>
#include "soc.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* define the bits for TxControl
*/
#define DW_TIMER_TXCONTROL_ENABLE (1UL << 0)
#define DW_TIMER_TXCONTROL_MODE (1UL << 1)
#define DW_TIMER_TXCONTROL_INTMASK (1UL << 2)
#define DW_TIMER_TXCONTROL_TRIGGER (1UL << 4)
#define DW_TIMER_INIT_DEFAULT_VALUE (0xffffffff / drv_get_timer_freq(0) * 1000000)
typedef struct
{
__IOM uint32_t TxLoadCount; /* Offset: 0x000 (R/W) Receive buffer register */
__IM uint32_t TxCurrentValue; /* Offset: 0x004 (R) Transmission hold register */
__IOM uint8_t TxControl: 5; /* Offset: 0x008 (R/W) Clock frequency division low section register */
uint8_t RESERVED0[3];
__IM uint8_t TxEOI: 1; /* Offset: 0x00c (R) Clock frequency division high section register */
uint8_t RESERVED1[3];
__IM uint8_t TxIntStatus: 1; /* Offset: 0x010 (R) Interrupt enable register */
uint8_t RESERVED2[3];
} dw_timer_reg_t;
#ifdef __cplusplus
}
#endif
#endif /* __DW_TIMER_H */