periph_conf.h

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/*
 * Copyright (C) 2023 Gunar Schorcht <gunar@schorcht.net>
 *
 * 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 "macros/units.h"
 
#ifndef CONFIG_BOARD_HAS_HXTAL
#define CONFIG_BOARD_HAS_HXTAL  1   
#endif
 
#ifndef CONFIG_BOARD_HAS_LXTAL
#define CONFIG_BOARD_HAS_LXTAL  1   
#endif
 
#ifndef CONFIG_CLOCK_HXTAL
#define CONFIG_CLOCK_HXTAL      MHZ(8)      
#endif
 
#ifndef SPI_DEV_1_USED
#if defined(BOARD_SIPEED_LONGAN_NANO_TFT)
#define SPI_DEV_1_USED          1   
#else
#define SPI_DEV_1_USED          0   
#endif
#endif
 
#ifndef I2C_DEV_1_USED
#define I2C_DEV_1_USED          1   
#endif
 
#include "periph_cpu.h"
#include "periph_common_conf.h"
 
#include "cfg_i2c_default.h"
#include "cfg_spi_default.h"
#include "cfg_timer_default.h"
#include "cfg_uart_default.h"
#include "cfg_usbdev_default.h"
 
#ifdef __cplusplus
extern "C" {
#endif

static const adc_conf_t adc_config[] = {
    { .pin = GPIO_PIN(PORT_A, 0), .dev = 0, .chan = 0 },
    { .pin = GPIO_PIN(PORT_A, 3), .dev = 0, .chan = 3 },
    /* ADC Temperature channel */
    { .pin = GPIO_UNDEF, .dev = 0, .chan = 16 },
    /* ADC VREF channel */
    { .pin = GPIO_UNDEF, .dev = 0, .chan = 17 },
#if !MODULE_PERIPH_DAC
    /* This conflicts with the DAC */
    { .pin = GPIO_PIN(PORT_A, 4), .dev = 0, .chan = 4 },
#endif
#if !defined(BOARD_SIPEED_LONGAN_NANO_TFT)
    /* This conflicts with TFT pins if connected. */
    { .pin = GPIO_PIN(PORT_B, 0), .dev = 0, .chan = 8 },
    { .pin = GPIO_PIN(PORT_B, 1), .dev = 0, .chan = 9 },
#if !SPI_DEV_1_USED
    /* This conflicts with the SPI0 controller which is used if TFT is connected */
    { .pin = GPIO_PIN(PORT_A, 6), .dev = 0, .chan = 6 },
    { .pin = GPIO_PIN(PORT_A, 7), .dev = 0, .chan = 7 },
#if !MODULE_PERIPH_DAC
    /* This conflicts additionally with the DAC */
    { .pin = GPIO_PIN(PORT_A, 5), .dev = 0, .chan = 5 },
#endif /* !MODULE_PERIPH_DAC */
#endif /* !SPI_DEV_1_USED */
#endif /* !defined(BOARD_SIPEED_LONGAN_NANO_TFT) */
};
 
#define ADC_NUMOF           ARRAY_SIZE(adc_config)

static const dac_conf_t dac_config[] = {
    { .pin = GPIO_PIN(PORT_A, 4), .chan = 0 },
#if !SPI_DEV_1_USED
    { .pin = GPIO_PIN(PORT_A, 5), .chan = 1 },
#endif /* !SPI_DEV_1_USED */
};
 
#define DAC_NUMOF           ARRAY_SIZE(dac_config)

static const pwm_conf_t pwm_config[] = {
    {
        .dev      = TIMER4,
        .rcu_mask = RCU_APB1EN_TIMER4EN_Msk,
        .chan     = {
                        { .pin = GPIO_PIN(PORT_A, 1), .cc_chan = 1 },
                        { .pin = GPIO_PIN(PORT_A, 2), .cc_chan = 2 },
                        /* unused channels have to be defined by GPIO_UNDEF */
                        { .pin = GPIO_UNDEF, .cc_chan = 0 },
                        { .pin = GPIO_UNDEF, .cc_chan = 3 },
                    },
        .af       = GPIO_AF_OUT_PP,
        .bus      = APB1,
    },
#if !MODULE_PERIPH_CAN
    {
        .dev      = TIMER3,
        .rcu_mask = RCU_APB1EN_TIMER3EN_Msk,
        .chan     = {
                        { .pin = GPIO_PIN(PORT_B, 8), .cc_chan = 2 },
                        { .pin = GPIO_PIN(PORT_B, 9), .cc_chan = 3 },
                        /* unused channels have to be defined by GPIO_UNDEF */
                        { .pin = GPIO_UNDEF, .cc_chan = 0 },
                        { .pin = GPIO_UNDEF, .cc_chan = 1 },
                    },
        .af       = GPIO_AF_OUT_PP,
        .bus      = APB1,
    },
#endif
};
 
#define PWM_NUMOF ARRAY_SIZE(pwm_config)
 
#ifdef __cplusplus
}
#endif