boards/olimex-msp430-h2618: add new board

boards/olimex-msp430-h2618/Kconfig

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+# Copyright (c) 2020 HAW Hamburg
+#
+# 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 "olimex-msp430-h2618" if BOARD_OLIMEX_MSP430_H2618
+
+config BOARD_OLIMEX_MSP430_H2618
+    bool
+    default y
+    select CPU_MODEL_MSP430F2618
+    select HAS_PERIPH_GPIO
+    select HAS_PERIPH_GPIO_IRQ
+    select HAS_PERIPH_SPI
+    select HAS_PERIPH_TIMER
+    select HAS_PERIPH_UART

boards/olimex-msp430-h2618/Makefile

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+MODULE = board
+
+include $(RIOTBASE)/Makefile.base

boards/olimex-msp430-h2618/Makefile.features

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+CPU = msp430fxyz
+CPU_MODEL = msp430f2618
+
+# Put defined MCU peripherals here (in alphabetical order)
+FEATURES_PROVIDED += periph_gpio periph_gpio_irq
+FEATURES_PROVIDED += periph_spi
+FEATURES_PROVIDED += periph_timer
+FEATURES_PROVIDED += periph_uart
+
+# Various other features (if any)

boards/olimex-msp430-h2618/Makefile.include

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+# set default port depending on operating system
+PORT_LINUX ?= /dev/ttyUSB0
+PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.usbserial-MXV*)))
+
+# flash tool configuration
+PROGRAMMER ?= mspdebug
+MSPDEBUG_PROGRAMMER ?= olimex
+
+PROGRAMMERS_SUPPORTED += mspdebug
+
+# When freshly plugged in the Olimex MSP430-JTAG-Tiny debugger provides a
+# ttyACM interface, which is only available until the first flashing. A
+# `make term` or even a `make flash term` may pick the JTAG debugger instead
+# of the correct USB TTL adapter when the JTAG programmer is plugged in after
+# the TTL adapter and `MOST_RECENT_PORT=1` is used.
+#
+# To fix that, we filter first by the most common USB TTL adapter drivers and
+# fall back to all TTY when no such TTL adapter is found.
+TTY_BOARD_FILTER := --driver 'cp210x|ch341|ftdi_sio'
+TTY_SELECT_CMD := $(RIOTTOOLS)/usb-serial/ttys.py \
+                  --most-recent \
+                  --format path serial \
+                  $(TTY_BOARD_FILTER) || \
+                  $(RIOTTOOLS)/usb-serial/ttys.py \
+                  --most-recent \
+                  --format path serial

boards/olimex-msp430-h2618/doc.txt

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+/**
+@defgroup    boards_olimex_msp430_h2618 Olimex MSP430-H2618
+@ingroup     boards
+@brief       Support for the Olimex MSP430-H2618 board
+
+<img src="https://github.com/maribu/images/raw/master/Olimex%20MSP430-H2618.jpeg" alt="Photo of Olimex MSP430-H2618 Board" style="width: 512px; max-width: 100%;">
+
+## MCU
+
+| MCU               | TI MSP430F2618                                                |
+|:----------------- |:------------------------------------------------------------- |
+| Family            | MSP430                                                        |
+| Vendor            | Texas Instruments                                             |
+| Package           | 64 QFN                                                        |
+| RAM               | 8 KiB                                                         |
+| Flash             | 116 KiB                                                       |
+| Frequency         | 16 MHz                                                        |
+| FPU               | no                                                            |
+| Timers            | 2 (2x 16bit)                                                  |
+| ADCs              | 1x 8 channel 12-bit                                           |
+| UARTs             | 2                                                             |
+| SPIs              | 2                                                             |
+| I2Cs              | 1                                                             |
+| Vcc               | 1.8 V - 3.6 V                                                 |
+| Datasheet MCU     | [Datasheet MSP430F2618]                                       |
+| User Guide MCU    | [User Guide MSP430F2xx]                                       |
+| Datasheet Board   | [Datasheet Olimex MSP430-H2618]                               |
+| Website           | [Website Olimex MSP430-H2618]                                 |
+
+[Datasheet MSP430F2618]: https://www.ti.com/lit/gpn/msp430f2618
+[User Guide MSP430F2xx]: https://www.ti.com/lit/pdf/slau144
+[Datasheet Olimex MSP430-H2618]: https://www.olimex.com/Products/MSP430/Header/MSP430-H2618/resources/MSP430-H2618.pdf
+[Website Olimex MSP430-H2618]: https://www.olimex.com/Products/MSP430/Header/MSP430-H2618/
+
+@warning    While erasing or writing to the flash, the MCU must be powered by
+            at least 2.2 V
+
+## Schematics
+
+<img src="https://raw.githubusercontent.com/maribu/images/master/Olimex%20MSP430-H2618%20Schematic.svg" alt="Schematics of the Olimex MSP430-H2618 Board" style="width: 800px; max-width: 100%;">
+
+## Pinout
+
+The 64 pins on the edges of the PCB are connected to the corresponding MCU pins.
+Hence, the following pinout of the naked MSP430-F2618 MCU chip matches the
+pinout of the header board:
+
+<img src="https://github.com/maribu/images/raw/master/MSP430F2618%20Pinout.svg" alt="Pinout of the naked MSP430-F2618 MCU" style="width: 800px; max-width: 100%;">
+
+## Flashing RIOT
+
+<img src="https://github.com/maribu/images/raw/master/Olimex%20MSP430-H2618%20with%20Debugger.jpeg" alt="Photo of Olimex MSP430-H2618 Board connected to a JTAG Debugger" style="width: 512px; max-width: 100%;">
+
+Connect the board to a JTAG debugger supported by
+[mspdebug](https://dlbeer.co.nz/mspdebug/); by default the
+Olimex MSP430-JTAG-Tiny (as shown in the picture above) is assumed, which is
+among the less expensive options.
+
+@note       If you are not using the Olimex MSP430-JTAG-Tiny (or a compatible
+            programmer), set `MSPDEBUG_PROGRAMMER` to the correct value via
+            an environment variable or as parameter to make. E.g. use
+            `make BOARD=olimex-msp430-h2618 MSPDEBUG_PROGRAMMER=bus-pirate` to
+            flash using the bus pirate.
+
+@warning    You can power the board via the JTAG programmer by placing a
+            jumper at `P_IN`. However, the JTAG programmer will only be able
+            to provide a limited current. You may want to disconnect the
+            header board from devices consuming a lot of power prior to
+            flashing.
+
+@warning    If the board is powered externally, make sure to place the jumper
+            in `P_OUT` position, not in `P_IN` position.
+
+@warning    A jumper in `P_OUT` is mutually exclusive to a jumper in `P_IN`.
+            Never connect both at the same time.
+
+@note       While the JTAG connector has no markings, you can easily spot pin 1
+            on to bottom of the board by the square pad; all other JTAG pins
+            have a circular pad.
+
+@warning    The Olimex MSP430-JTAG-Tiny will fail to flash or debug the board
+            until the latest firmware is installed. For that, install the
+            Windows-only programmer software and update the DLLs files to
+            contain the latest firmware as described in the website. The
+            software will update the programmer upon launch.
+
+Once the jumper is correctly placed in either `P_IN` or in `P_OUT` and the
+JTAG cable is connected just run
+
+```
+make BOARD=olimex-msp430-h2618 flash
+```
+
+## Using the shell
+
+stdio is available via the UART interface with `TXD = P3.4`
+(pin 35 on the header) and `RXD = P3.5` (pin 34 on the header) at 115,200 Baud.
+
+The easiest way is to connect an USB TTL adapter (such as the cheap `cp210x`
+or `ch341` based adapters) as follows:
+
+```
+TTL adapter    Olimex MSP430-H2618
+-----------    -------------------
+
+       GND --- 63 (DV_SS)
+       TXD --- 33 (P3.5)
+       RXD --- 32 (P3.4)
+```
+
+ */

boards/olimex-msp430-h2618/include/board-conf.h

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+/*
+ * Copyright (C) 2014 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.
+ */
+
+#ifndef BOARD_CONF_H
+#define BOARD_CONF_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define INFOMEM     (0x1000)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BOARD_CONF_H */

boards/olimex-msp430-h2618/include/board.h

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+/*
+ * Copyright (C) 2013, 2014 INRIA
+ *               2015 Freie Universität Berlin
+ *
+ * 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_olimex_msp430_h2618
+ *
+ * @{
+ *
+ * @file
+ * @brief       Basic definitions for the Olimex MSP430-H2618 board
+ *
+ * @author      Oliver Hahm <oliver.hahm@inria.fr>
+ * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
+ */
+
+#ifndef BOARD_H
+#define BOARD_H
+
+#include "cpu.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief   Define the CPU model for the <msp430.h>
+ */
+#ifndef __MSP430F2618__
+#define __MSP430F2618__
+#endif
+
+/**
+ * @name    Xtimer configuration
+ * @{
+ */
+#define XTIMER_WIDTH                (16)
+#define XTIMER_BACKOFF              (40)
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+/** @} */
+#endif /* BOARD_H */

boards/olimex-msp430-h2618/include/periph_conf.h

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+/*
+ * Copyright (C) 2014 INRIA
+ *               2015 Freie Universität Berlin
+ *
+ * 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_olimex_msp430_h2618
+ * @{
+ *
+ * @file
+ * @brief       Olimex-MSP430-H2618 peripheral configuration
+ *
+ * @author      Oliver Hahm <oliver.hahm@inria.fr>
+ * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
+ */
+
+#ifndef PERIPH_CONF_H
+#define PERIPH_CONF_H
+
+#include "periph_cpu.h"
+#include "macros/units.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define CLOCK_CORECLOCK     msp430_fxyz_dco_freq
+
+/**
+ * @brief   Clock configuration
+ */
+static const msp430_fxyz_clock_params_t clock_params = {
+    .target_dco_frequency = MHZ(16),
+    .lfxt1_frequency = 32768,
+    .main_clock_source = MAIN_CLOCK_SOURCE_DCOCLK,
+    .submain_clock_source = SUBMAIN_CLOCK_SOURCE_DCOCLK,
+    .main_clock_divier = MAIN_CLOCK_DIVIDE_BY_1,
+    .submain_clock_divier = SUBMAIN_CLOCK_DIVIDE_BY_1,
+    .auxiliary_clock_divier = AUXILIARY_CLOCK_DIVIDE_BY_1,
+};
+
+/**
+ * @name    Timer configuration
+ * @{
+ */
+#define TIMER_NUMOF         (1U)
+#define TIMER_BASE          (TIMER_A)
+#define TIMER_CHAN          (3)
+#define TIMER_ISR_CC0       (TIMERA0_VECTOR)
+#define TIMER_ISR_CCX       (TIMERA1_VECTOR)
+/** @} */
+
+/**
+ * @name    UART configuration
+ * @{
+ */
+#define UART_NUMOF          (1U)
+
+#define UART_USE_USCI
+#define UART_BASE           (USCI_0)
+#define UART_IE             (SFR->IE2)
+#define UART_IF             (SFR->IFG2)
+#define UART_IE_RX_BIT      (1 << 0)
+#define UART_IE_TX_BIT      (1 << 1)
+#define UART_RX_PORT        ((msp_port_t *)PORT_3)
+#define UART_RX_PIN         (1 << 5)
+#define UART_TX_PORT        ((msp_port_t *)PORT_3)
+#define UART_TX_PIN         (1 << 4)
+#define UART_RX_ISR         (USCIAB0RX_VECTOR)
+#define UART_TX_ISR         (USCIAB0TX_VECTOR)
+/** @} */
+
+/**
+ * @name    SPI configuration
+ * @{
+ */
+#define SPI_NUMOF           (1U)
+
+/* SPI configuration */
+#define SPI_USE_USCI
+#define SPI_BASE            (USCI_0_B_SPI)
+#define SPI_IE              (SFR->IE2)
+#define SPI_IF              (SFR->IFG2)
+#define SPI_IE_RX_BIT       (1 << 2)
+#define SPI_IE_TX_BIT       (1 << 3)
+#define SPI_PIN_MISO        GPIO_PIN(P3, 2)
+#define SPI_PIN_MOSI        GPIO_PIN(P3, 1)
+#define SPI_PIN_CLK         GPIO_PIN(P3, 3)
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PERIPH_CONF_H */
+/** @} */