periph_conf.h

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/*
 * Copyright (C) 2021 Gerson Fernando Budke
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

#include "mutex.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
#include <avr/io.h>
 
#include "periph_cpu.h"

static const timer_conf_t timer_config[] = {
    {
        .dev            = (void *)&TCC1,
        .pwr            = PWR_RED_REG(PWR_PORT_C, PR_TC1_bm),
        .type           = TC_TYPE_1,
        .int_lvl        = { CPU_INT_LVL_LOW,
                            CPU_INT_LVL_OFF,
                            CPU_INT_LVL_OFF,
                            CPU_INT_LVL_OFF },
    },
    {
        .dev            = (void *)&TCC0,
        .pwr            = PWR_RED_REG(PWR_PORT_C, PR_TC0_bm),
        .type           = TC_TYPE_0,
        .int_lvl        = { CPU_INT_LVL_LOW,
                            CPU_INT_LVL_LOW,
                            CPU_INT_LVL_LOW,
                            CPU_INT_LVL_LOW },
    }
};
 
#define TIMER_0_ISRA      TCC1_CCA_vect
 
#define TIMER_1_ISRA      TCC0_CCA_vect
#define TIMER_1_ISRB      TCC0_CCB_vect
#define TIMER_1_ISRC      TCC0_CCC_vect
#define TIMER_1_ISRD      TCC0_CCD_vect
 
#define TIMER_NUMOF       ARRAY_SIZE(timer_config)

static const uart_conf_t uart_config[] = {
    {   /* CDC-ACM */
        .dev            = &USARTE0,
        .pwr            = PWR_RED_REG(PWR_PORT_E, PR_USART0_bm),
        .rx_pin         = GPIO_PIN(PORT_E, 2),
        .tx_pin         = GPIO_PIN(PORT_E, 3),
#ifdef MODULE_PERIPH_UART_HW_FC
        .rts_pin        = GPIO_UNDEF,
        .cts_pin        = GPIO_UNDEF,
#endif
        .rx_int_lvl     = CPU_INT_LVL_LOW,
        .tx_int_lvl     = CPU_INT_LVL_LOW,
        .dre_int_lvl    = CPU_INT_LVL_OFF,
    },
};
 
/* interrupt function name mapping */
#define UART_0_RXC_ISR    USARTE0_RXC_vect    /* Reception Complete Interrupt */
#define UART_0_DRE_ISR    USARTE0_DRE_vect    /* Data Register Empty Interrupt */
#define UART_0_TXC_ISR    USARTE0_TXC_vect    /* Transmission Complete Interrupt */
 
#define UART_NUMOF        ARRAY_SIZE(uart_config)

static const i2c_conf_t i2c_config[] = {
    {
        .dev                = &TWIC,
        .pwr                = PWR_RED_REG(PWR_PORT_C, PR_TWI_bm),
        .sda_pin            = GPIO_PIN(PORT_C, 0),
        .scl_pin            = GPIO_PIN(PORT_C, 1),
        .speed              = I2C_SPEED_NORMAL,
        .int_lvl            = CPU_INT_LVL_LOW,
    },
};
 
#define I2C_0_ISR           TWIC_TWIM_vect
 
#define I2C_NUMOF           ARRAY_SIZE(i2c_config)

static const spi_conf_t spi_config[] = {
    {
        .dev            = &SPIC,
        .pwr            = PWR_RED_REG(PWR_PORT_C, PR_SPI_bm),
        .sck_pin        = GPIO_PIN(PORT_C, 7),
        .miso_pin       = GPIO_PIN(PORT_C, 6),
        .mosi_pin       = GPIO_PIN(PORT_C, 5),
        .ss_pin         = GPIO_PIN(PORT_C, 4),
    },
};
 
#define SPI_NUMOF         ARRAY_SIZE(spi_config)

static const ebi_conf_t ebi_config = {
    .addr_bits              = 18, /* A0-A17 */
    .flags                  = (EBI_PORT_LPC | EBI_PORT_CS2),
    .sram_ale               = 0,
    .lpc_ale                = 2,
    .sdram                  = { 0 },
    .cs                     = {    /* Reserved A16      */
                                { EBI_CS_MODE_DISABLED_gc,
                                  0,
                                  EBI_CS_SRWS_0CLK_gc,
                                  0x0UL,
                                }, /* Reserved A17      */
                                { EBI_CS_MODE_DISABLED_gc,
                                  0,
                                  EBI_CS_SRWS_0CLK_gc,
                                  0x0UL,
                                }, /* CS2 - 256K SRAM   */
                                { EBI_CS_MODE_LPC_gc,
                                  EBI_CS_ASIZE_256KB_gc,
                                  EBI_CS_SRWS_1CLK_gc,
                                  0x0UL,
                                }, /* Reserved LCD      */
                                { EBI_CS_MODE_DISABLED_gc,
                                  0,
                                  EBI_CS_SRWS_0CLK_gc,
                                  0x0UL,
                                },
                              },
};
 
#ifdef __cplusplus
}
#endif
 
#include "periph_conf_common.h"