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https://github.com/RIOT-OS/RIOT.git
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165 lines
4.2 KiB
C
165 lines
4.2 KiB
C
/*
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* Copyright (C) 2017 Kees Bakker, SODAQ
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup boards_sodaq-one
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* @{
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*
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* @file
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* @brief Configuration of CPU peripherals for the SODAQ ONE board
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*
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* @author Kees Bakker <kees@sodaq.com>
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*/
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#ifndef PERIPH_CONF_H
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#define PERIPH_CONF_H
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#include <stdint.h>
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#include "cpu.h"
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#include "periph_cpu.h"
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#include "cfg_clock_default.h"
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#include "cfg_rtc_default.h"
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#include "cfg_rtt_default.h"
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#include "cfg_timer_default.h"
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#include "cfg_usbdev_default.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name UART configuration
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* @{
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* See Table 6.1 of the SAM D21 Datasheet
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*/
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static const uart_conf_t uart_config[] = {
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{
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.dev = &SERCOM5->USART,
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.rx_pin = GPIO_PIN(PB,3), /* D0, RX Pin */
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.tx_pin = GPIO_PIN(PB,2), /* D1, TX Pin */
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#ifdef MODULE_PERIPH_UART_HW_FC
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.rts_pin = GPIO_UNDEF,
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.cts_pin = GPIO_UNDEF,
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#endif
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.mux = GPIO_MUX_D,
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.rx_pad = UART_PAD_RX_1,
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.tx_pad = UART_PAD_TX_0,
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.flags = UART_FLAG_NONE,
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.gclk_src = SAM0_GCLK_MAIN,
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},
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{
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.dev = &SERCOM2->USART,
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.rx_pin = GPIO_PIN(PA,13),
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.tx_pin = GPIO_PIN(PA,12),
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#ifdef MODULE_PERIPH_UART_HW_FC
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.rts_pin = GPIO_UNDEF,
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.cts_pin = GPIO_UNDEF,
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#endif
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.mux = GPIO_MUX_C,
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.rx_pad = UART_PAD_RX_1,
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.tx_pad = UART_PAD_TX_0,
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.flags = UART_FLAG_NONE,
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.gclk_src = SAM0_GCLK_MAIN,
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},
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};
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/* interrupt function name mapping */
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#define UART_0_ISR isr_sercom5
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#define UART_1_ISR isr_sercom2
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#define UART_NUMOF ARRAY_SIZE(uart_config)
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/** @} */
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/**
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* @name ADC configuration
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* @{
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*/
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/* ADC Default values */
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#define ADC_PRESCALER ADC_CTRLB_PRESCALER_DIV512
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#define ADC_NEG_INPUT ADC_INPUTCTRL_MUXNEG_GND
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#define ADC_GAIN_FACTOR_DEFAULT ADC_INPUTCTRL_GAIN_DIV2
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#define ADC_REF_DEFAULT ADC_REFCTRL_REFSEL_INTVCC1
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static const adc_conf_chan_t adc_channels[] = {
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/* port, pin, muxpos */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PA02 }, /* A0 */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PA03 }, /* A1 */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PB08 }, /* A2 */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PB09 }, /* A3 */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PA06 }, /* A4 */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PA07 }, /* A5 */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PA08 }, /* A6 */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PA09 }, /* A7 */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PA10 }, /* A8 */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PA11 }, /* A9 */
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#if 0
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/* These pins are also used for RX/TX uart0 */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PB02 }, /* A10, TX */
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PB03 }, /* A11, RX */
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#endif
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{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PA05 }, /* BAT_VOLT */
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};
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#define ADC_NUMOF ARRAY_SIZE(adc_channels)
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/** @} */
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/**
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* @name SPI configuration
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* @{
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*/
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static const spi_conf_t spi_config[] = {
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{
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.dev = &SERCOM0->SPI,
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.miso_pin = GPIO_PIN(PA, 8),
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.mosi_pin = GPIO_PIN(PA, 10),
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.clk_pin = GPIO_PIN(PA, 11),
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.miso_mux = GPIO_MUX_C,
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.mosi_mux = GPIO_MUX_C,
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.clk_mux = GPIO_MUX_C,
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.miso_pad = SPI_PAD_MISO_0,
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.mosi_pad = SPI_PAD_MOSI_2_SCK_3,
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.gclk_src = SAM0_GCLK_MAIN,
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#ifdef MODULE_PERIPH_DMA
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.tx_trigger = SERCOM0_DMAC_ID_TX,
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.rx_trigger = SERCOM0_DMAC_ID_RX,
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#endif
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}
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};
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#define SPI_NUMOF ARRAY_SIZE(spi_config)
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/** @} */
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/**
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* @name I2C configuration
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* @{
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*/
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static const i2c_conf_t i2c_config[] = {
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{
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.dev = &(SERCOM3->I2CM),
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.speed = I2C_SPEED_NORMAL,
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.scl_pin = GPIO_PIN(PA, 23),
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.sda_pin = GPIO_PIN(PA, 22),
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.mux = GPIO_MUX_C,
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.gclk_src = SAM0_GCLK_MAIN,
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.flags = I2C_FLAG_NONE
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}
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};
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#define I2C_NUMOF ARRAY_SIZE(i2c_config)
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* PERIPH_CONF_H */
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/** @} */
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