rt-thread-official/bsp/cvitek/drivers/drv_adc.h

59 lines
2.4 KiB
C
Raw Normal View History

2024-02-28 00:04:31 +08:00
/*
* Copyright (c) 2006-2024, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024/02/22 flyingcys first version
*/
#ifndef __DRV_ADC_H__
#define __DRV_ADC_H__
#include "pinctrl.h"
#include "mmio.h"
#define SARADC_BASE 0x030F0000
#define SARADC_CH_MAX 3
#define SARADC_CTRL_OFFSET 0x04
#define SARADC_CTRL_START (1 << 0)
#define SARADC_CTRL_SEL_POS 0x04
#define SARADC_STATUS_OFFSET 0x08
#define SARADC_STATUS_BUSY (1 << 0)
#define SARADC_CYC_SET_OFFSET 0x0C
#define SARADC_CYC_CLKDIV_DIV_POS (12U)
#define SARADC_CYC_CLKDIV_DIV_MASK (0xF << SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_1 (0U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_2 (1U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_3 (2U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_4 (3U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_5 (4U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_6 (5U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_7 (6U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_8 (7U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_9 (8U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_10 (9U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_11 (10U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_12 (11U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_13 (12U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_14 (13U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_15 (14U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_CYC_CLKDIV_DIV_16 (15U<< SARADC_CYC_CLKDIV_DIV_POS)
#define SARADC_RESULT_OFFSET 0x014
#define SARADC_RESULT(n) (SARADC_RESULT_OFFSET + (n) * 4)
#define SARADC_RESULT_MASK 0x0FFF
#define SARADC_RESULT_VALID (1 << 15)
#define SARADC_TEST_OFFSET 0x030
#define SARADC_TEST_VREFSEL_BIT 2
#define SARADC_TRIM_OFFSET 0x034
2024-02-28 00:04:31 +08:00
int rt_hw_adc_init(void);
#endif /* __DRV_ADC_H__ */