periph_conf.h

Go to the documentation of this file.

/*
 * SPDX-FileCopyrightText: 2017-2020 Bas Stottelaar <basstottelaar@gmail.com>
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include "cpu.h"
#include "periph_cpu.h"
#include "em_cmu.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#ifndef CLOCK_HF
#define CLOCK_HF            cmuSelect_HFRCO
#endif
#ifndef CLOCK_CORE_DIV
#define CLOCK_CORE_DIV      cmuClkDiv_1
#endif
#ifndef CLOCK_LFA
#define CLOCK_LFA           cmuSelect_LFRCO
#endif
#ifndef CLOCK_LFB
#define CLOCK_LFB           cmuSelect_LFRCO
#endif
#ifndef CLOCK_LFE
#define CLOCK_LFE           cmuSelect_LFRCO
#endif

static const adc_conf_t adc_config[] = {
    {
        .dev = ADC0,
        .cmu = cmuClock_ADC0,
    }
};
 
static const adc_chan_conf_t adc_channel_config[] = {
    {
        .dev = 0,
        .input = adcPosSelTEMP,
        .reference = adcRef1V25,
        .acq_time = adcAcqTime8
    },
    {
        .dev = 0,
        .input = adcPosSelAVDD,
        .reference = adcRef5V,
        .acq_time = adcAcqTime8
    }
};
 
#define ADC_DEV_NUMOF       ARRAY_SIZE(adc_config)
#define ADC_NUMOF           ARRAY_SIZE(adc_channel_config)

#ifndef RTT_FREQUENCY
#define RTT_FREQUENCY       (1U)              /* in Hz */
#endif

static const spi_dev_t spi_config[] = {
    {
        .dev = USART1,
        .mosi_pin = GPIO_PIN(PD, 15),
        .miso_pin = GPIO_PIN(PD, 14),
        .clk_pin = GPIO_PIN(PD, 13),
        .loc = USART_ROUTELOC0_RXLOC_LOC21 |
               USART_ROUTELOC0_TXLOC_LOC23 |
               USART_ROUTELOC0_CLKLOC_LOC19,
        .cmu = cmuClock_USART1,
        .irq = USART1_RX_IRQn
    }
};
 
#define SPI_NUMOF           ARRAY_SIZE(spi_config)

static const timer_conf_t timer_config[] = {
    {
        .prescaler = {
            .dev = TIMER0,
            .cmu = cmuClock_TIMER0
        },
        .timer = {
            .dev = TIMER1,
            .cmu = cmuClock_TIMER1
        },
        .irq = TIMER1_IRQn,
        .channel_numof = 3
    },
    {
        .prescaler = {
            .dev = NULL,
            .cmu = cmuClock_LETIMER0
        },
        .timer = {
            .dev = LETIMER0,
            .cmu = cmuClock_LETIMER0
        },
        .irq = LETIMER0_IRQn,
        .channel_numof = 2
    }
};
 
#define TIMER_0_ISR         isr_timer1
#define TIMER_1_ISR         isr_letimer0
 
#define TIMER_NUMOF         ARRAY_SIZE(timer_config)

#ifndef EFM32_USE_LEUART
#define EFM32_USE_LEUART   0
#endif
 
#if EFM32_USE_LEUART
 
#ifndef STDIO_UART_BAUDRATE
#define STDIO_UART_BAUDRATE (9600)
#endif
 
static const uart_conf_t uart_config[] = {
    {
        .dev = LEUART0,
        .rx_pin = GPIO_PIN(PB, 15),
        .tx_pin = GPIO_PIN(PB, 14),
        .loc = USART_ROUTELOC0_RXLOC_LOC9 |
               USART_ROUTELOC0_TXLOC_LOC9,
        .cmu = cmuClock_LEUART0,
        .irq = LEUART0_IRQn
    }
};
#define UART_0_ISR_RX       isr_leuart0
 
#else /* EFM32_USE_LEUART */
 
static const uart_conf_t uart_config[] = {
    {
        .dev = USART0,
        .rx_pin = GPIO_PIN(PB, 15),
        .tx_pin = GPIO_PIN(PB, 14),
        .loc = USART_ROUTELOC0_RXLOC_LOC9 |
               USART_ROUTELOC0_TXLOC_LOC9,
        .cmu = cmuClock_USART0,
        .irq = USART0_RX_IRQn
    }
};
#define UART_0_ISR_RX       isr_usart0_rx
 
#endif /* EFM32_USE_LEUART */
#define UART_NUMOF          ARRAY_SIZE(uart_config)
 
#ifdef __cplusplus
}
#endif