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[board] Add NUCLEO-L053R8 board
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‎README.md

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@@ -556,20 +556,21 @@ We have out-of-box support for many development boards including documentation.
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<td align="center"><a href="https://modm.io/reference/module/modm-board-nucleo-h743zi">NUCLEO-H743ZI</a></td>
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</tr><tr>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-nucleo-l031k6">NUCLEO-L031K6</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-nucleo-l053r8">NUCLEO-L053R8</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-nucleo-l152re">NUCLEO-L152RE</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-nucleo-l432kc">NUCLEO-L432KC</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-nucleo-l452re">NUCLEO-L452RE</a></td>
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</tr><tr>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-nucleo-l452re">NUCLEO-L452RE</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-nucleo-l476rg">NUCLEO-L476RG</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-nucleo-l496zg-p">NUCLEO-L496ZG-P</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-olimexino-stm32">OLIMEXINO-STM32</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-raspberrypi">Raspberry Pi</a></td>
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</tr><tr>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-raspberrypi">Raspberry Pi</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-samd21-mini">SAMD21-MINI</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-samg55-xplained-pro">SAMG55-XPLAINED-PRO</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-stm32_f4ve">STM32-F4VE</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-stm32f030_demo">STM32F030-DEMO</a></td>
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</tr><tr>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-stm32f030_demo">STM32F030-DEMO</a></td>
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<td align="center"><a href="https://modm.io/reference/module/modm-board-srxe">Smart Response XE</a></td>
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</tr>
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</table>

‎src/modm/board/nucleo_l053r8/board.hpp

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/*
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* Copyright (c) 2021, Niklas Hauser
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*
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* This file is part of the modm project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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// ----------------------------------------------------------------------------
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#pragma once
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#include <modm/platform.hpp>
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#include <modm/architecture/interface/clock.hpp>
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#include <modm/debug.hpp>
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/// @ingroup modm_board_nucleo_l053r8
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#define MODM_BOARD_HAS_LOGGER
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using namespace modm::platform;
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/// @ingroup modm_board_nucleo_l053r8
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namespace Board
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{
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using namespace modm::literals;
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/// STM32L053R8 running at 32MHz generated from 16 MHz HSI16 clock
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struct SystemClock
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{
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static constexpr uint32_t Frequency = 32_MHz;
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static constexpr uint32_t Ahb = Frequency;
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static constexpr uint32_t Apb1 = Frequency;
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static constexpr uint32_t Apb2 = Frequency;
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static constexpr uint32_t Adc = Apb2;
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static constexpr uint32_t Dac = Apb1;
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static constexpr uint32_t Comp1 = Apb2;
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static constexpr uint32_t Comp2 = Apb2;
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static constexpr uint32_t Spi1 = Apb2;
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static constexpr uint32_t Spi2 = Apb1;
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static constexpr uint32_t Usart1 = Apb2;
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static constexpr uint32_t Usart2 = Apb1;
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static constexpr uint32_t Lpuart1 = Apb1;
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static constexpr uint32_t I2c1 = Apb1;
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static constexpr uint32_t I2c2 = Apb1;
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static constexpr uint32_t Usb = Apb1;
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static constexpr uint32_t Apb1Timer = Apb1 * 1;
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static constexpr uint32_t Apb2Timer = Apb2 * 1;
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static constexpr uint32_t Timer2 = Apb1Timer;
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static constexpr uint32_t Timer6 = Apb1Timer;
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static constexpr uint32_t Timer21 = Apb2Timer;
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static constexpr uint32_t Timer22 = Apb2Timer;
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static bool inline
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enable()
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{
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Rcc::enableInternalClock(); // 16MHz
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// (internal clock / 1) * 4 / 2 = 32MHz
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const Rcc::PllFactors pllFactors{
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.pllMul = Rcc::PllMultiplier::Mul4,
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.pllDiv = 2,
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.enableHsiPrediv4 = false
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};
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Rcc::enablePll(Rcc::PllSource::Hsi16, pllFactors);
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// set flash latency for 32MHz
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Rcc::setFlashLatency<Frequency>();
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// switch system clock to PLL output
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Rcc::enableSystemClock(Rcc::SystemClockSource::Pll);
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Rcc::setAhbPrescaler(Rcc::AhbPrescaler::Div1);
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Rcc::setApb1Prescaler(Rcc::Apb1Prescaler::Div1);
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Rcc::setApb2Prescaler(Rcc::Apb2Prescaler::Div1);
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// update frequencies for busy-wait delay functions
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Rcc::updateCoreFrequency<Frequency>();
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return true;
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}
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};
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// Arduino Footprint
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#include "nucleo64_arduino.hpp"
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using Button = GpioInverted<GpioInputC13>;
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using LedD13 = D13;
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using Leds = SoftwareGpioPort< LedD13 >;
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namespace stlink
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{
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using Rx = GpioInputA3;
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using Tx = GpioOutputA2;
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using Uart = Usart2;
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}
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using LoggerDevice = modm::IODeviceWrapper< stlink::Uart, modm::IOBuffer::BlockIfFull >;
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inline void
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initialize()
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{
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SystemClock::enable();
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SysTickTimer::initialize<SystemClock>();
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stlink::Uart::connect<stlink::Tx::Tx, stlink::Rx::Rx>();
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stlink::Uart::initialize<SystemClock, 115200_Bd>();
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Button::setInput();
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}
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}

‎src/modm/board/nucleo_l053r8/board.xml

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<library>
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<repositories>
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<repository>
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<path>../../../../repo.lb</path>
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</repository>
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</repositories>
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<options>
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<option name="modm:target">stm32l053r8t6</option>
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<option name="modm:platform:uart:2:buffer.tx">2048</option>
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</options>
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<modules>
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<module>modm:board:nucleo-l053r8</module>
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</modules>
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</library>

‎src/modm/board/nucleo_l053r8/module.lb

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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Copyright (c) 2016-2018, Niklas Hauser
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# Copyright (c) 2017, Fabian Greif
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#
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# This file is part of the modm project.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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# -----------------------------------------------------------------------------
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def init(module):
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module.name = ":board:nucleo-l053r8"
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module.description = """\
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# NUCLEO-L053R8
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[Nucleo kit for STM32L053R8](https://www.st.com/en/evaluation-tools/nucleo-l053r8.html)
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"""
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def prepare(module, options):
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if not options[":target"].partname.startswith("stm32l053r8t"):
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return False
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module.depends(":platform:core", ":platform:gpio", ":platform:clock", ":platform:uart:2",
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":debug", ":architecture:clock")
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return True
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def build(env):
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env.outbasepath = "modm/src/modm/board"
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env.substitutions = {
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"with_logger": True,
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"with_assert": env.has_module(":architecture:assert")
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}
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env.template("../board.cpp.in", "board.cpp")
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env.copy('.')
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env.copy("../nucleo64_arduino.hpp", "nucleo64_arduino.hpp")
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env.outbasepath = "modm/openocd/modm/board/"
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env.copy(repopath("tools/openocd/modm/st_nucleo_l0.cfg"), "st_nucleo_l0.cfg")
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env.collect(":build:openocd.source", "modm/board/st_nucleo_l0.cfg")

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