periph_cpu.h

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/*
 * SPDX-FileCopyrightText: 2015-2018 Freie Universität Berlin
 * SPDX-FileCopyrightText: 2020 Philipp-Alexander Blum <philipp-blum@jakiku.de>
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include "periph_cpu_common.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define CLOCK_CORECLOCK     (64000000U)

#define PERIPH_CLOCK        (16000000U)

#ifdef SAADC_CH_PSELP_PSELP_VDDHDIV5
#define ADC_NUMOF           (10U)
#else
#define ADC_NUMOF           (9U)
#endif

enum {
    NRF52_AIN0 = 0,         
    NRF52_AIN1 = 1,         
    NRF52_AIN2 = 2,         
    NRF52_AIN3 = 3,         
    NRF52_AIN4 = 4,         
    NRF52_AIN5 = 5,         
    NRF52_AIN6 = 6,         
    NRF52_AIN7 = 7,         
    NRF52_VDD  = 8,         
#ifdef SAADC_CH_PSELP_PSELP_VDDHDIV5
    NRF52_VDDHDIV5 = 9,     
#endif
};
 
#ifndef DOXYGEN
#define HAVE_ADC_RES_T
typedef enum {
    ADC_RES_6BIT  = 0xf0,   
    ADC_RES_8BIT  = 0x00,   
    ADC_RES_10BIT = 0x01,   
    ADC_RES_12BIT = 0x02,   
    ADC_RES_14BIT = 0xf1,   
    ADC_RES_16BIT = 0xf2    
} adc_res_t;
#endif /* ndef DOXYGEN */

#ifndef UART_TXBUF_SIZE
#define UART_TXBUF_SIZE    (64)
#endif

typedef void (*spi_twi_irq_cb_t)(void *arg);

void spi_twi_irq_register_spi(NRF_SPIM_Type *bus,
                              spi_twi_irq_cb_t cb, void *arg);

void spi_twi_irq_register_i2c(NRF_TWIM_Type *bus,
                              spi_twi_irq_cb_t cb, void *arg);

void nrf5x_i2c_acquire(NRF_TWIM_Type *bus, spi_twi_irq_cb_t cb, void *arg);

void nrf5x_i2c_release(NRF_TWIM_Type *bus);

void nrf5x_spi_acquire(NRF_SPIM_Type *bus, spi_twi_irq_cb_t cb, void *arg);

void nrf5x_spi_release(NRF_SPIM_Type *bus);
 
#ifdef __cplusplus
}
#endif