periph_cpu.h

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/*
 * SPDX-FileCopyrightText: 2015 Freie Universität Berlin
 * SPDX-FileCopyrightText: 2015 Hamburg University of Applied Sciences
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

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

#define PERIPH_SPI_NEEDS_INIT_CS
#define PERIPH_SPI_NEEDS_TRANSFER_BYTE
#define PERIPH_SPI_NEEDS_TRANSFER_REG
#define PERIPH_SPI_NEEDS_TRANSFER_REGS

#define CPUID_LEN           (16U)

#define RTT_MAX_VALUE       (0xffffffff)
#define RTT_CLOCK_FREQUENCY (CHIP_FREQ_XTAL_32K)          /* in Hz */
#define RTT_MIN_FREQUENCY   (1) /* in Hz */
#define RTT_MAX_FREQUENCY   (RTT_CLOCK_FREQUENCY)         /* in Hz */

#define ADC_NUMOF           (16U)

#define DAC_NUMOF           (2U)
 
#ifndef DOXYGEN
#define HAVE_SPI_MODE_T
typedef enum {
    SPI_MODE_0 = (SPI_CSR_NCPHA),                   
    SPI_MODE_1 = (0),                               
    SPI_MODE_2 = (SPI_CSR_CPOL | SPI_CSR_NCPHA),    
    SPI_MODE_3 = (SPI_CSR_CPOL)                     
} spi_mode_t;

#define HAVE_SPI_CLK_T
typedef enum {
    SPI_CLK_100KHZ = (100000),                      
    SPI_CLK_400KHZ = (400000),                      
    SPI_CLK_1MHZ   = (1000000),                     
    SPI_CLK_5MHZ   = (5000000),                     
    SPI_CLK_10MHZ  = (10000000)                     
} spi_clk_t;
#endif /* ndef DOXYGEN */
 
#ifndef DOXYGEN
#define HAVE_ADC_RES_T
typedef enum {
    ADC_RES_6BIT  = 0x1,                    
    ADC_RES_8BIT  = 0x2,                    
    ADC_RES_10BIT = ADC_MR_LOWRES_BITS_10,  
    ADC_RES_12BIT = ADC_MR_LOWRES_BITS_12,  
    ADC_RES_14BIT = 0x4,                    
    ADC_RES_16BIT = 0x8                     
} adc_res_t;
#endif /* ndef DOXYGEN */

typedef struct {
    gpio_t pin;             
    uint8_t hwchan;         
} pwm_chan_conf_t;

typedef struct {
    Spi *dev;               
    uint8_t id;             
    gpio_t clk;             
    gpio_t mosi;            
    gpio_t miso;            
    gpio_mux_t mux;         
} spi_conf_t;
 
#ifdef __cplusplus
}
#endif