periph_conf.h

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/*
 * SPDX-FileCopyrightText: 2026 Technische Universität Hamburg
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
/* Nucleo board provides 32.768 kHz LSE for RTC (same as other Nucleo-U boards) */
#ifndef CONFIG_BOARD_HAS_LSE
#  define CONFIG_BOARD_HAS_LSE 1
#endif
 
#include "periph_cpu.h"
#include "clk_conf.h"
 
#ifdef __cplusplus
extern "C" {
#endif

static const timer_conf_t timer_config[] = {
    {
        .dev = TIM3,
        .max = 0xffffffff,
        .rcc_mask = RCC_APB1ENR1_TIM3EN,
        .bus = APB1,
        .irqn = TIM3_IRQn,
    }
};
 
#define TIMER_NUMOF        ARRAY_SIZE(timer_config)
 
#define TIMER_0_ISR        isr_tim3

static const uart_conf_t uart_config[] = {
    {
        /* ST-Link Virtual COM Port (STDIO, UART_DEV(0)) — USART1 on PA9/PA10 */
        .dev        = USART1,
        .rcc_mask   = RCC_APB2ENR_USART1EN,
        .rx_pin     = GPIO_PIN(PORT_A, 10),
        .tx_pin     = GPIO_PIN(PORT_A, 9),
        .rx_af      = GPIO_AF7,
        .tx_af      = GPIO_AF7,
        .bus        = APB2,
        .irqn       = USART1_IRQn,
        .type       = STM32_USART,
        .clk_src    = 0, /* Use APB clock */
    },
    {
        /* LPUART1 on PA2/PA3 */
        .dev        = LPUART1,
        .rcc_mask   = RCC_APB3ENR_LPUART1EN,
        .rx_pin     = GPIO_PIN(PORT_A, 3),
        .tx_pin     = GPIO_PIN(PORT_A, 2),
        .rx_af      = GPIO_AF8,
        .tx_af      = GPIO_AF8,
        .bus        = APB3,
        .irqn       = LPUART1_IRQn,
        .type       = STM32_LPUART,
        .clk_src    = 0,
    }
};
 
#define UART_0_ISR          (isr_usart1)
#define UART_1_ISR          (isr_lpuart1)
#define UART_NUMOF          ARRAY_SIZE(uart_config)
 
#ifdef __cplusplus
}
#endif