periph_cpu.h

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/*
 * SPDX-FileCopyrightText: 2019 Gunar Schorcht
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include <stdbool.h>
#include <stdint.h>
#include <limits.h>
 
#include "eagle_soc.h"
#include "cpu_conf.h"
#include "macros/units.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define CPUID_LEN           (4U)

#define CPU_CYCLES_PER_LOOP (5)


#define HAVE_GPIO_T
typedef unsigned int gpio_t;

#define GPIO_UNDEF ((gpio_t)(UINT_MAX))

#define GPIO_PIN(x, y)      ((x & 0) | y)

#define PORT_GPIO           (0)

#define GPIO_PIN_NUMOF  (17)
 
#ifndef DOXYGEN
#define HAVE_GPIO_FLANK_T
typedef enum {
    GPIO_NONE    = 0,
    GPIO_RISING  = 1,        
    GPIO_FALLING = 2,        
    GPIO_BOTH    = 3,        
    GPIO_LOW     = 4,        
    GPIO_HIGH    = 5         
} gpio_flank_t;
#endif /* ndef DOXYGEN */

#define GPIO0       (GPIO_PIN(PORT_GPIO, 0))
#define GPIO1       (GPIO_PIN(PORT_GPIO, 1))
#define GPIO2       (GPIO_PIN(PORT_GPIO, 2))
#define GPIO3       (GPIO_PIN(PORT_GPIO, 3))
#define GPIO4       (GPIO_PIN(PORT_GPIO, 4))
#define GPIO5       (GPIO_PIN(PORT_GPIO, 5))
#define GPIO6       (GPIO_PIN(PORT_GPIO, 6))
#define GPIO7       (GPIO_PIN(PORT_GPIO, 7))
#define GPIO8       (GPIO_PIN(PORT_GPIO, 8))
#define GPIO9       (GPIO_PIN(PORT_GPIO, 9))
#define GPIO10      (GPIO_PIN(PORT_GPIO, 10))
#define GPIO11      (GPIO_PIN(PORT_GPIO, 11))
#define GPIO12      (GPIO_PIN(PORT_GPIO, 12))
#define GPIO13      (GPIO_PIN(PORT_GPIO, 13))
#define GPIO14      (GPIO_PIN(PORT_GPIO, 14))
#define GPIO15      (GPIO_PIN(PORT_GPIO, 15))
#define GPIO16      (GPIO_PIN(PORT_GPIO, 16))


#ifndef DOXYGEN
#define HAVE_I2C_SPEED_T
typedef enum {
    I2C_SPEED_LOW = 0,      
    I2C_SPEED_NORMAL,       
    I2C_SPEED_FAST,         
    I2C_SPEED_FAST_PLUS,    
    I2C_SPEED_HIGH,         
} i2c_speed_t;
#endif /* ndef DOXYGEN */
typedef struct {
    i2c_speed_t speed;      
    gpio_t scl;             
    gpio_t sda;             
} i2c_conf_t;

#define I2C_NUMOF_MAX   (2)
 
#define PERIPH_I2C_NEED_READ_REG    
#define PERIPH_I2C_NEED_READ_REGS   
#define PERIPH_I2C_NEED_WRITE_REG   
#define PERIPH_I2C_NEED_WRITE_REGS  

#define PROVIDES_PM_SET_LOWEST
#define PROVIDES_PM_RESTART
#define PROVIDES_PM_OFF


#define PWM_NUMOF_MAX       (1)

#define PWM_CHANNEL_NUM_MAX (8)



#define RNG_DATA_REG_ADDR   (0x3ff20e44)

#define RTT_FREQUENCY       (312500UL)
#define RTT_MAX_VALUE       (0xFFFFFFFFUL)


typedef enum {
    HSPI = 1,         
} spi_ctrl_t;

#define HAVE_SPI_CLK_T
typedef enum {
    SPI_CLK_100KHZ = KHZ(100), 
    SPI_CLK_400KHZ = KHZ(400), 
    SPI_CLK_1MHZ   = MHZ(1),   
    SPI_CLK_5MHZ   = MHZ(5),   
    SPI_CLK_10MHZ  = MHZ(10),  
} spi_clk_t;

typedef struct {
    spi_ctrl_t ctrl;        
    gpio_t sck;             
    gpio_t mosi;            
    gpio_t miso;            
    gpio_t cs;              
} spi_conf_t;

#define SPI_NUMOF_MAX   (1)
 
#define PERIPH_SPI_NEEDS_TRANSFER_BYTE  
#define PERIPH_SPI_NEEDS_TRANSFER_REG   
#define PERIPH_SPI_NEEDS_TRANSFER_REGS  


#define PERIPH_TIMER_PROVIDES_SET


typedef struct {
    gpio_t txd;             
    gpio_t rxd;             
} uart_conf_t;

#define UART_NUMOF_MAX  (2)

bool cpu_woke_from_backup(void);
 
#ifdef __cplusplus
}
#endif