diff --git a/boards/adafruit-grand-central-m4-express/Kconfig b/boards/adafruit-grand-central-m4-express/Kconfig new file mode 100644 index 0000000000..03891a8241 --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/Kconfig @@ -0,0 +1,35 @@ +# Copyright (C) 2023 Gunar Schorcht +# +# 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. + +config BOARD + default "adafruit-grand-central-m4-express" if BOARD_ADAFRUIT_GRAND_CENTRAL_M4_EXPRESS + +config BOARD_ADAFRUIT_GRAND_CENTRAL_M4_EXPRESS + bool + default y + select CPU_MODEL_SAMD51P20A + select HAS_ARDUINO + select HAS_HIGHLEVEL_STDIO + select HAS_PERIPH_ADC + select HAS_PERIPH_DAC + select HAS_PERIPH_I2C + select HAS_PERIPH_PWM + select HAS_PERIPH_RTC + select HAS_PERIPH_RTT + select HAS_PERIPH_SPI + select HAS_PERIPH_TIMER + select HAS_PERIPH_UART + select HAS_PERIPH_USBDEV + select HAVE_SAUL_GPIO + + select HAVE_MTD_SPI_NOR + # This specific board requires SPI_ON_QSPI for the MTD_SPI_NOR + select MODULE_PERIPH_SPI_ON_QSPI if MODULE_MTD_SPI_NOR + + select HAVE_MTD_SDCARD_DEFAULT + select MODULE_FATFS_VFS if MODULE_VFS_DEFAULT + +source "$(RIOTBOARD)/common/samdx1-arduino-bootloader/Kconfig" diff --git a/boards/adafruit-grand-central-m4-express/Makefile b/boards/adafruit-grand-central-m4-express/Makefile new file mode 100644 index 0000000000..c05443c508 --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/Makefile @@ -0,0 +1,5 @@ +MODULE = board + +DIRS = $(RIOTBOARD)/common/samdx1-arduino-bootloader + +include $(RIOTBASE)/Makefile.base diff --git a/boards/adafruit-grand-central-m4-express/Makefile.dep b/boards/adafruit-grand-central-m4-express/Makefile.dep new file mode 100644 index 0000000000..fa00d45e1e --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/Makefile.dep @@ -0,0 +1,19 @@ +ifneq (,$(filter saul_default,$(USEMODULE))) + USEMODULE += saul_gpio +endif + +# default to using fatfs on SD card +ifneq (,$(filter vfs_default,$(USEMODULE))) + USEPKG += littlefs2 + USEMODULE += fatfs_vfs + USEMODULE += mtd +endif + +ifneq (,$(filter mtd,$(USEMODULE))) + FEATURES_REQUIRED += periph_spi_on_qspi + USEMODULE += mtd_spi_nor + USEMODULE += mtd_sdcard_default +endif + +# setup the samd21 arduino bootloader related dependencies +include $(RIOTBOARD)/common/samdx1-arduino-bootloader/Makefile.dep diff --git a/boards/adafruit-grand-central-m4-express/Makefile.features b/boards/adafruit-grand-central-m4-express/Makefile.features new file mode 100644 index 0000000000..d16dabe903 --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/Makefile.features @@ -0,0 +1,19 @@ +CPU = samd5x +CPU_MODEL = samd51p20a + +# Put defined MCU peripherals here (in alphabetical order) +FEATURES_PROVIDED += highlevel_stdio +FEATURES_PROVIDED += periph_adc +FEATURES_PROVIDED += periph_dac +FEATURES_PROVIDED += periph_i2c +FEATURES_PROVIDED += periph_pwm +FEATURES_PROVIDED += periph_rtc +FEATURES_PROVIDED += periph_rtt +FEATURES_PROVIDED += periph_spi +FEATURES_PROVIDED += periph_timer +FEATURES_PROVIDED += periph_uart +FEATURES_PROVIDED += periph_usbdev + +# other board features +FEATURES_PROVIDED += arduino +FEATURES_PROVIDED += sdcard_spi diff --git a/boards/adafruit-grand-central-m4-express/Makefile.include b/boards/adafruit-grand-central-m4-express/Makefile.include new file mode 100644 index 0000000000..d9b879af10 --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/Makefile.include @@ -0,0 +1,6 @@ +CFLAGS += -DBOOTLOADER_UF2 + +# Include all definitions for flashing with bossa other USB +include $(RIOTBOARD)/common/samdx1-arduino-bootloader/Makefile.include +# Include handling of serial and non-bossa programmers (if selected by user) +include $(RIOTMAKE)/boards/sam0.inc.mk diff --git a/boards/adafruit-grand-central-m4-express/board.c b/boards/adafruit-grand-central-m4-express/board.c new file mode 100644 index 0000000000..1461be647a --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/board.c @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2021 ML!PA Consulting GmbH + * 2023 Gunar Schorcht + * + * 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. + */ + +/** + * @ingroup boards_adafruit-grand-central-m4-express + * @{ + * + * @file + * @brief Board specific implementations for the Adafruit Grand Central M4 Express + * + * @author Benjamin Valentin + * @author Gunar Schorcht + * @} + */ + +#include "board.h" +#include "periph/gpio.h" +#include "timex.h" +#ifdef MODULE_VFS_DEFAULT +#include "vfs_default.h" +#endif + +#ifdef MODULE_MTD_SPI_NOR + +#include "mtd_spi_nor.h" + +/* GD25Q64 */ +static const mtd_spi_nor_params_t _samd51_nor_params = { + .opcode = &mtd_spi_nor_opcode_default, + .wait_chip_erase = 25 * US_PER_SEC, + .wait_32k_erase = 150 * US_PER_MS, + .wait_64k_erase = 200 * US_PER_MS, + .wait_sector_erase = 50 * US_PER_MS, + .wait_chip_wake_up = 10 * US_PER_MS, + .clk = MHZ(54), + .flag = SPI_NOR_F_SECT_4K + | SPI_NOR_F_SECT_32K + | SPI_NOR_F_SECT_64K, + .spi = SPI_DEV(2), + .mode = SPI_MODE_0, + .cs = SAM0_QSPI_PIN_CS, + .wp = SAM0_QSPI_PIN_DATA_2, + .hold = SAM0_QSPI_PIN_DATA_3, +}; + +static mtd_spi_nor_t samd51_nor_dev = { + .base = { + .driver = &mtd_spi_nor_driver, + .sector_count = 2048, + .page_size = 256, + .pages_per_sector = 16, + }, + .params = &_samd51_nor_params, +}; + +mtd_dev_t *mtd0 = (mtd_dev_t *)&samd51_nor_dev; + +#ifdef MODULE_VFS_DEFAULT +VFS_AUTO_MOUNT(littlefs2, VFS_MTD(samd51_nor_dev), VFS_DEFAULT_NVM(0), 0); +#endif + +#endif /* MODULE_MTD_SPI_NOR */ diff --git a/boards/adafruit-grand-central-m4-express/doc.txt b/boards/adafruit-grand-central-m4-express/doc.txt new file mode 100644 index 0000000000..acc4a65470 --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/doc.txt @@ -0,0 +1,45 @@ +/** +@defgroup boards_adafruit-grand-central-m4-express Adafruit Grand Central M4 Express +@ingroup boards +@brief Support for the Adafruit Grand Central M4 Express + +### General information + +![Adafruit Grand Central M4 Expressboard] +(https://cdn-learn.adafruit.com/assets/assets/000/068/748/medium800/adafruit_products_grand_central_top_angle.jpg?1546734839) + +The main features of the board are: +- ATSAMD51 Cortex M4 running at 120 MHz +- Hardware DSP and floating point support +- 1MB Flash +- 256 KB RAM +- external 8 MB QSPI Flash storage +- 32-bit, 3.3V logic and power +- Micro SD Card slot connected to SPI +- native USB + +### Links + +- [Overview](https://learn.adafruit.com/adafruit-grand-central) +- [Schematics](https://learn.adafruit.com/assets/69175) + +### Flash the board + +The board is flashed using its on-board +[boot loader](https://github.com/adafruit/uf2-samdx1). + +The process is automated in the usual `make flash` target. + +If RIOT is already running on the board, it will automatically reset the CPU +and enter the bootloader. If some other firmware is running or RIOT crashed, +you need to enter the bootloader manually by double tapping the board's reset +button. + +Readiness of the bootloader is indicated by LED pulsing in red. + +### Accessing STDIO + +The usual way to obtain a console on this board is using an emulated USB serial +port. + + */ diff --git a/boards/adafruit-grand-central-m4-express/include/arduino_board.h b/boards/adafruit-grand-central-m4-express/include/arduino_board.h new file mode 100644 index 0000000000..71624a051a --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/include/arduino_board.h @@ -0,0 +1,73 @@ +/* + * Copyright (C) 2017 Inria + * + * 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. + */ + +/** + * @ingroup boards_common_nucleo144 + * @{ + * + * @file + * @brief Board specific configuration for the Arduino API + * + * @author Alexandre Abadie + */ + +#ifndef ARDUINO_BOARD_H +#define ARDUINO_BOARD_H + +#include "arduino_pinmap.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief Look-up table for the Arduino's digital pins + */ +static const gpio_t arduino_pinmap[] = { + ARDUINO_PIN_0, + ARDUINO_PIN_1, + ARDUINO_PIN_2, + ARDUINO_PIN_3, + ARDUINO_PIN_4, + ARDUINO_PIN_5, + ARDUINO_PIN_6, + ARDUINO_PIN_7, + ARDUINO_PIN_8, + ARDUINO_PIN_9, + ARDUINO_PIN_10, + ARDUINO_PIN_11, + ARDUINO_PIN_12, + ARDUINO_PIN_13, + ARDUINO_PIN_14, + ARDUINO_PIN_15, + ARDUINO_PIN_A0, + ARDUINO_PIN_A1, + ARDUINO_PIN_A2, + ARDUINO_PIN_A3, + ARDUINO_PIN_A4, + ARDUINO_PIN_A5, +}; + +/** + * @brief Look-up table for the Arduino's analog pins + */ +static const adc_t arduino_analog_map[] = { + ARDUINO_A0, + ARDUINO_A1, + ARDUINO_A2, + ARDUINO_A3, + ARDUINO_A4, + ARDUINO_A5, +}; + +#ifdef __cplusplus +} +#endif + +#endif /* ARDUINO_BOARD_H */ +/** @} */ diff --git a/boards/adafruit-grand-central-m4-express/include/arduino_pinmap.h b/boards/adafruit-grand-central-m4-express/include/arduino_pinmap.h new file mode 100644 index 0000000000..c5dfc54ff6 --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/include/arduino_pinmap.h @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2023 Gunar Schorcht + * + * 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. + */ + +/** + * @ingroup boards_adafruit-grand-central-m4-express + * @{ + * + * @file + * @brief Mapping from MCU pins to Arduino pins + * + * @author Gunar Schorcht + */ + +#ifndef ARDUINO_PINMAP_H +#define ARDUINO_PINMAP_H + +#include "periph/gpio.h" +#include "periph/adc.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @name Mapping of MCU pins to Arduino pins + * @{ + */ +#define ARDUINO_PIN_0 GPIO_PIN(PB, 25) +#define ARDUINO_PIN_1 GPIO_PIN(PB, 24) +#define ARDUINO_PIN_2 GPIO_PIN(PC, 18) +#define ARDUINO_PIN_3 GPIO_PIN(PC, 19) +#define ARDUINO_PIN_4 GPIO_PIN(PC, 20) +#define ARDUINO_PIN_5 GPIO_PIN(PC, 21) +#define ARDUINO_PIN_6 GPIO_PIN(PD, 20) +#define ARDUINO_PIN_7 GPIO_PIN(PD, 21) + +#define ARDUINO_PIN_8 GPIO_PIN(PB, 18) +#define ARDUINO_PIN_9 GPIO_PIN(PB, 02) +#define ARDUINO_PIN_10 GPIO_PIN(PB, 22) +#define ARDUINO_PIN_11 GPIO_PIN(PB, 23) +#define ARDUINO_PIN_12 GPIO_PIN(PB, 00) +#define ARDUINO_PIN_13 GPIO_PIN(PB, 01) + +#define ARDUINO_PIN_14 GPIO_PIN(PB, 20) +#define ARDUINO_PIN_15 GPIO_PIN(PB, 21) + +#define ARDUINO_PIN_A0 GPIO_PIN(PA, 3) +#define ARDUINO_PIN_A1 GPIO_PIN(PC, 0) +#define ARDUINO_PIN_A2 GPIO_PIN(PC, 3) +#define ARDUINO_PIN_A3 GPIO_PIN(PC, 1) +#define ARDUINO_PIN_A4 GPIO_PIN(PC, 4) +#define ARDUINO_PIN_A5 GPIO_PIN(PC, 5) +/** @} */ + +/** + * @name Mapping of Arduino analog pins to RIOT ADC lines + * @{ + */ +#define ARDUINO_A0 ADC_LINE(0) +#define ARDUINO_A1 ADC_LINE(1) +#define ARDUINO_A2 ADC_LINE(2) +#define ARDUINO_A3 ADC_LINE(3) +#define ARDUINO_A4 ADC_LINE(4) +#define ARDUINO_A5 ADC_LINE(5) +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif /* ARDUINO_PINMAP_H */ +/** @} */ diff --git a/boards/adafruit-grand-central-m4-express/include/board.h b/boards/adafruit-grand-central-m4-express/include/board.h new file mode 100644 index 0000000000..c803d56763 --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/include/board.h @@ -0,0 +1,99 @@ +/* + * Copyright (C) 2023 Gunar Schorcht + * + * 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. + */ + +/** + * @ingroup boards_adafruit-grand-central-m4-express + * @{ + * + * @file + * @brief Board specific definitions for the Adafruit Grand Central M4 Express + * + * @author Gunar Schorcht + */ + +#ifndef BOARD_H +#define BOARD_H + +#include "cpu.h" +#include "mtd.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @name LED pin definitions and handlers + * @{ + */ + +#define LED0_PIN GPIO_PIN(PB, 1) /**< User LED red (D13) */ +#define LED1_PIN GPIO_PIN(PC, 30) /**< TX LED yellow */ +#define LED2_PIN GPIO_PIN(PC, 31) /**< RX LED yellow */ + +#define LED0_PORT PORT->Group[PB] /**< Port of User LED red (D13) */ +#define LED0_MASK (1 << 1) /**< Mask of User LED red (D13) */ +#define LED1_PORT PORT->Group[PC] /**< Port of TX LED yellow */ +#define LED1_MASK (1 << 30) /**< Mask of TX LED yellow */ +#define LED2_PORT PORT->Group[PC] /**< Port of RX LED yellow */ +#define LED2_MASK (1 << 31) /**< Mask of RX LED yellow */ + +#define LED0_ON (LED0_PORT.OUTSET.reg = LED0_MASK) /**< Switch on User LED red (D13) */ +#define LED0_OFF (LED0_PORT.OUTCLR.reg = LED0_MASK) /**< Switch off User LED red (D13) */ +#define LED0_TOGGLE (LED0_PORT.OUTTGL.reg = LED0_MASK) /**< Toggle User LED red (D13) */ + +#define LED1_ON (LED1_PORT.OUTCLR.reg = LED1_MASK) /**< Switch on TX LED yellow */ +#define LED1_OFF (LED1_PORT.OUTSET.reg = LED1_MASK) /**< Switch off TX LED yellow */ +#define LED1_TOGGLE (LED1_PORT.OUTTGL.reg = LED1_MASK) /**< Toggle TX LED yellow */ + +#define LED2_ON (LED2_PORT.OUTCLR.reg = LED2_MASK) /**< Switch on RX LED yellow */ +#define LED2_OFF (LED2_PORT.OUTSET.reg = LED2_MASK) /**< Switch off RX LED yellow */ +#define LED2_TOGGLE (LED2_PORT.OUTTGL.reg = LED2_MASK) /**< Toggle User RX LED yellow */ + +#ifndef WS281X_PARAM_PIN +#define WS281X_PARAM_PIN GPIO_PIN(PC, 24) /**< GPIO pin connected to the data pin */ +#endif +#ifndef WS281X_PARAM_NUMOF +#define WS281X_PARAM_NUMOF (1U) /**< Number of LEDs chained */ +#endif +/** @} */ + +/** + * @name MTD configuration + * @{ + */ +extern mtd_dev_t *mtd0; /**< Flash MTD device pointer */ +#define MTD_0 mtd0 /**< Flash MTD device */ +extern mtd_dev_t *mtd1; /**< MTD device pointer for SD Card */ +#define MTD_1 mtd1 /**< MTD device for SD Card */ + +#define CONFIG_SDCARD_GENERIC_MTD_OFFSET 1 /**< mtd1 is used for SD Card */ +/** @} */ + +/** + * @name SD-Card interface configuration + * + * The SD-Card interface is connected to SPI_DEV(1). + * + * @{ + */ +#if MODULE_SDCARD_SPI || DOXYGEN +#define SDCARD_SPI_PARAM_SPI SPI_DEV(1) +#define SDCARD_SPI_PARAM_CLK GPIO_PIN(PB, 27) +#define SDCARD_SPI_PARAM_MOSI GPIO_PIN(PB, 26) +#define SDCARD_SPI_PARAM_MISO GPIO_PIN(PB, 29) +#define SDCARD_SPI_PARAM_CS GPIO_PIN(PB, 28) +#define SDCARD_SPI_PARAM_POWER GPIO_UNDEF +#endif +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif /* BOARD_H */ +/** @} */ diff --git a/boards/adafruit-grand-central-m4-express/include/gpio_params.h b/boards/adafruit-grand-central-m4-express/include/gpio_params.h new file mode 100644 index 0000000000..5f83516959 --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/include/gpio_params.h @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2023 Gunar Schorcht + * + * 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. + */ + +/** + * @ingroup boards_adafruit-grand-central-m4-express + * @{ + * + * @file + * @brief Board specific configuration of direct mapped GPIOs + * + * @author Gunar Schorcht + */ + +#ifndef GPIO_PARAMS_H +#define GPIO_PARAMS_H + +#include "board.h" +#include "saul/periph.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief GPIO pin configuration + */ +static const saul_gpio_params_t saul_gpio_params[] = +{ + { + .name = "LED User (red)", + .pin = LED0_PIN, + .mode = GPIO_OUT, + .flags = SAUL_GPIO_INIT_CLEAR, + }, + { + .name = "LED TX (yellow)", + .pin = LED1_PIN, + .mode = GPIO_OUT, + .flags = SAUL_GPIO_INVERTED | SAUL_GPIO_INIT_CLEAR, + }, + { + .name = "LED RX (yellow)", + .pin = LED2_PIN, + .mode = GPIO_OUT, + .flags = SAUL_GPIO_INVERTED | SAUL_GPIO_INIT_CLEAR, + }, +}; + +#ifdef __cplusplus +} +#endif + +#endif /* GPIO_PARAMS_H */ +/** @} */ diff --git a/boards/adafruit-grand-central-m4-express/include/periph_conf.h b/boards/adafruit-grand-central-m4-express/include/periph_conf.h new file mode 100644 index 0000000000..cd12c6e44e --- /dev/null +++ b/boards/adafruit-grand-central-m4-express/include/periph_conf.h @@ -0,0 +1,342 @@ +/* + * Copyright (C) 2021 ML!PA Consulting GmbH + * 2023 Gunar Schorcht + * + * 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. + */ + +/** + * @ingroup boards_adafruit-grand-central-m4-express + * @{ + * + * @file + * @brief Configuration of CPU peripherals for the Adafruit Grand Central M4 Express + * + * @author Benjamin Valentin + * @author Gunar Schorcht + */ + +#ifndef PERIPH_CONF_H +#define PERIPH_CONF_H + +#include "periph_cpu.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @name Core clock frequency + * @{ + */ +#ifndef CLOCK_CORECLOCK +#define CLOCK_CORECLOCK MHZ(120) +#endif +/** @} */ + +/** + * @name 32kHz Oscillator configuration + * @{ + */ +#define EXTERNAL_OSC32_SOURCE 1 +#define INTERNAL_OSC32_SOURCE 0 +#define ULTRA_LOW_POWER_INTERNAL_OSC_SOURCE 0 +/** @} */ + +/** + * @brief Enable the internal DC/DC converter + * The board is equipped with L_EXT (L1) of 10uH at VSW pin. + */ +#define USE_VREG_BUCK (1) + +/** + * @name ADC Configuration + * @{ + */ + +/* ADC Default values */ +#define ADC_PRESCALER ADC_CTRLA_PRESCALER_DIV128 + +#define ADC_NEG_INPUT ADC_INPUTCTRL_MUXNEG(0x18u) +#define ADC_REF_DEFAULT ADC_REFCTRL_REFSEL_INTVCC1 + +static const adc_conf_chan_t adc_channels[] = { + /* port, pin, muxpos, dev */ + { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA02, .dev = ADC0 }, /* A0 */ + { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA05, .dev = ADC0 }, /* A1 */ + { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PB03, .dev = ADC0 }, /* A2 */ + { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PC00, .dev = ADC1 }, /* A3 */ + { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PC01, .dev = ADC1 }, /* A4 */ + { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PC02, .dev = ADC1 }, /* A5 */ + { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PC03, .dev = ADC1 }, /* A6 */ + { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PB04, .dev = ADC1 }, /* A7 */ + { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PB05, .dev = ADC1 }, /* A8 */ + { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PB06, .dev = ADC1 }, /* A9 */ + { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PB07, .dev = ADC1 }, /* A10 */ + { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PB08, .dev = ADC0 }, /* A11 */ + { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PB09, .dev = ADC0 }, /* A12 */ + { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA04, .dev = ADC0 }, /* A13 */ + { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA06, .dev = ADC0 }, /* A14 */ + { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA07, .dev = ADC0 }, /* A15 */ +}; + +#define ADC_NUMOF ARRAY_SIZE(adc_channels) +/** @} */ + +/** + * @name DAC configuration + * @{ + */ + /* Must not exceed 12 MHz */ +#define DAC_CLOCK SAM0_GCLK_TIMER + /* Use external reference voltage on PA03 */ + /* (You have to manually connect PA03 with Vcc) */ + /* Internal reference only gives 1V */ +#define DAC_VREF DAC_CTRLB_REFSEL_VREFPU +/** @} */ + +/** + * @name I2C configuration + * @{ + */ +static const i2c_conf_t i2c_config[] = { + { + .dev = &(SERCOM3->I2CM), + .speed = I2C_SPEED_NORMAL, + .scl_pin = GPIO_PIN(PB, 21), /* D21 (SCL) */ + .sda_pin = GPIO_PIN(PB, 20), /* D20 (SDA) */ + .mux = GPIO_MUX_C, + .gclk_src = SAM0_GCLK_PERIPH, + .flags = I2C_FLAG_NONE + }, + { + .dev = &(SERCOM6->I2CM), + .speed = I2C_SPEED_NORMAL, + .scl_pin = GPIO_PIN(PC, 17), /* D24 */ + .sda_pin = GPIO_PIN(PC, 16), /* D25 */ + .mux = GPIO_MUX_C, + .gclk_src = SAM0_GCLK_PERIPH, + .flags = I2C_FLAG_NONE + }, +}; + +#define I2C_NUMOF ARRAY_SIZE(i2c_config) +/** @} */ + +/** + * @name PWM configuration + * @{ + */ +#define PWM_0_EN 1 + +#if PWM_0_EN +/* PWM0 channels */ +static const pwm_conf_chan_t pwm_chan0_config[] = { + /* GPIO pin, MUX value, TCC channel */ + { GPIO_PIN(PA, 22), GPIO_MUX_G, 2 }, +}; +#endif + +/* PWM device configuration */ +static const pwm_conf_t pwm_config[] = { +#if PWM_0_EN + { .tim = TCC_CONFIG(TCC0), + .chan = pwm_chan0_config, + .chan_numof = ARRAY_SIZE(pwm_chan0_config), + .gclk_src = SAM0_GCLK_PERIPH, + }, +#endif +}; + +/* number of devices that are actually defined */ +#define PWM_NUMOF ARRAY_SIZE(pwm_config) +/** @} */ + +/** + * @name RTT configuration + * @{ + */ +#ifndef RTT_FREQUENCY +#define RTT_FREQUENCY (32768U) +#endif +/** @} */ + +/** + * @name Timer peripheral configuration + * @{ + */ +static const tc32_conf_t timer_config[] = { + { /* Timer 0 - System Clock */ + .dev = TC0, + .irq = TC0_IRQn, + .mclk = &MCLK->APBAMASK.reg, + .mclk_mask = MCLK_APBAMASK_TC0 | MCLK_APBAMASK_TC1, + .gclk_id = TC0_GCLK_ID, + .gclk_src = SAM0_GCLK_TIMER, + .flags = TC_CTRLA_MODE_COUNT32, + }, + { /* Timer 1 */ + .dev = TC2, + .irq = TC2_IRQn, + .mclk = &MCLK->APBBMASK.reg, + .mclk_mask = MCLK_APBBMASK_TC2 | MCLK_APBBMASK_TC3, + .gclk_id = TC2_GCLK_ID, + .gclk_src = SAM0_GCLK_TIMER, + .flags = TC_CTRLA_MODE_COUNT32, + } +}; + +/* Timer 0 configuration */ +#define TIMER_0_CHANNELS 2 +#define TIMER_0_ISR isr_tc0 + +/* Timer 1 configuration */ +#define TIMER_1_CHANNELS 2 +#define TIMER_1_ISR isr_tc2 + +#define TIMER_NUMOF ARRAY_SIZE(timer_config) +/** @} */ + +/** + * @name SPI configuration + * @{ + */ +static const spi_conf_t spi_config[] = { + { /* SPI on XIO connector */ + .dev = &(SERCOM7->SPI), + .miso_pin = GPIO_PIN(PD, 11), /* D50 MISO */ + .mosi_pin = GPIO_PIN(PD, 8), /* D51 MOSI */ + .clk_pin = GPIO_PIN(PD, 9), /* D52 SCK */ + .miso_mux = GPIO_MUX_C, + .mosi_mux = GPIO_MUX_C, + .clk_mux = GPIO_MUX_C, + .miso_pad = SPI_PAD_MISO_3, + .mosi_pad = SPI_PAD_MOSI_0_SCK_1, + .gclk_src = SAM0_GCLK_PERIPH, +#ifdef MODULE_PERIPH_DMA + .tx_trigger = SERCOM7_DMAC_ID_TX, + .rx_trigger = SERCOM7_DMAC_ID_RX, +#endif + }, + { /* SD Card */ + .dev = &(SERCOM2->SPI), + .miso_pin = GPIO_PIN(PB, 29), + .mosi_pin = GPIO_PIN(PB, 26), + .clk_pin = GPIO_PIN(PB, 27), + .miso_mux = GPIO_MUX_C, + .mosi_mux = GPIO_MUX_C, + .clk_mux = GPIO_MUX_C, + .miso_pad = SPI_PAD_MISO_3, + .mosi_pad = SPI_PAD_MOSI_0_SCK_1, + .gclk_src = SAM0_GCLK_PERIPH, +#ifdef MODULE_PERIPH_DMA + .tx_trigger = SERCOM2_DMAC_ID_TX, + .rx_trigger = SERCOM2_DMAC_ID_RX, +#endif + }, +#ifdef MODULE_PERIPH_SPI_ON_QSPI + { /* QSPI in SPI mode */ + .dev = QSPI, + .miso_pin = SAM0_QSPI_PIN_DATA_1, + .mosi_pin = SAM0_QSPI_PIN_DATA_0, + .clk_pin = SAM0_QSPI_PIN_CLK, + .miso_mux = SAM0_QSPI_MUX, + .mosi_mux = SAM0_QSPI_MUX, + .clk_mux = SAM0_QSPI_MUX, + .miso_pad = SPI_PAD_MISO_0, /* unused */ + .mosi_pad = SPI_PAD_MOSI_0_SCK_1, /* unused */ + .gclk_src = SAM0_GCLK_MAIN, /* unused */ +#ifdef MODULE_PERIPH_DMA + .tx_trigger = QSPI_DMAC_ID_TX, + .rx_trigger = QSPI_DMAC_ID_RX, +#endif + }, +#endif +}; + +#define SPI_NUMOF ARRAY_SIZE(spi_config) +/** @} */ + +/** + * @name USB peripheral configuration + * @{ + */ +static const sam0_common_usb_config_t sam_usbdev_config[] = { + { + .dm = GPIO_PIN(PA, 24), + .dp = GPIO_PIN(PA, 25), + .d_mux = GPIO_MUX_H, + .device = &USB->DEVICE, + .gclk_src = SAM0_GCLK_PERIPH, + } +}; +/** @} */ + +/** + * @name UART configuration + * @{ + */ +static const uart_conf_t uart_config[] = { + { + .dev = &SERCOM0->USART, + .rx_pin = GPIO_PIN(PB, 25), /* D0 (UART0_RX) */ + .tx_pin = GPIO_PIN(PB, 24), /* D1 (UART0_TX) */ +#ifdef MODULE_PERIPH_UART_HW_FC + .rts_pin = GPIO_UNDEF, + .cts_pin = GPIO_UNDEF, +#endif + .mux = GPIO_MUX_C, + .rx_pad = UART_PAD_RX_1, + .tx_pad = UART_PAD_TX_0, + .flags = UART_FLAG_NONE, + .gclk_src = SAM0_GCLK_PERIPH, + }, + { + .dev = &SERCOM4->USART, + .rx_pin = GPIO_PIN(PB, 13), /* D19 (UART2_RX) */ + .tx_pin = GPIO_PIN(PB, 12), /* D18 (UART2_TX) */ +#ifdef MODULE_PERIPH_UART_HW_FC + .rts_pin = GPIO_UNDEF, + .cts_pin = GPIO_UNDEF, +#endif + .mux = GPIO_MUX_C, + .rx_pad = UART_PAD_RX_1, + .tx_pad = UART_PAD_TX_0, + .flags = UART_FLAG_NONE, + .gclk_src = SAM0_GCLK_PERIPH, + }, + { + .dev = &SERCOM1->USART, + .rx_pin = GPIO_PIN(PC, 23), /* D17 (UART2_RX) */ + .tx_pin = GPIO_PIN(PC, 22), /* D16 (UART2_TX) */ +#ifdef MODULE_PERIPH_UART_HW_FC + .rts_pin = GPIO_UNDEF, + .cts_pin = GPIO_UNDEF, +#endif + .mux = GPIO_MUX_C, + .rx_pad = UART_PAD_RX_1, + .tx_pad = UART_PAD_TX_0, + .flags = UART_FLAG_NONE, + .gclk_src = SAM0_GCLK_PERIPH, + }, +}; + +/* interrupt function name mapping */ +#define UART_0_ISR isr_sercom0_2 +#define UART_0_ISR_TX isr_sercom0_0 +#define UART_1_ISR isr_sercom4_2 +#define UART_1_ISR_TX isr_sercom4_0 +#define UART_2_ISR isr_sercom1_2 +#define UART_2_ISR_TX isr_sercom1_0 + +#define UART_NUMOF ARRAY_SIZE(uart_config) +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif /* PERIPH_CONF_H */ +/** @} */