[stm32] Add support for STM32G0 device family

.circleci/config.yml

@@ -79,6 +79,10 @@ jobs:
           name: Examples STM32F7 Series
           command: |
             (cd examples && ../tools/scripts/examples_compile.py stm32f746g_discovery)
+      - run:
+          name: Examples STM32G0 Series
+          command: |
+            (cd examples && ../tools/scripts/examples_compile.py nucleo_g071rb)
       - run:
           name: Examples STM32L4 Series
           command: |
@@ -234,6 +238,20 @@ jobs:
           path: test/all/log
           destination: log
 
+  stm32g0-compile-all:
+    docker:
+      - image: modm/modm-build:latest
+    steps:
+      - checkout
+      - run: (git submodule sync && git submodule update --init --jobs 8) & pip3 install -U lbuild & wait
+      - run:
+          name: Compile HAL for all STM32G0
+          command: |
+            (cd test/all && python3 run_all.py stm32g0)
+      - store_artifacts:
+          path: test/all/log
+          destination: log
+
   build-docs:
     docker:
       - image: modm/modm-build:latest
@@ -302,6 +320,10 @@ workflows:
           requires:
             - unittests
             - stm32-examples
+      - stm32g0-compile-all:
+          requires:
+            - unittests
+            - stm32-examples
       - stm32l4-compile-all:
           requires:
             - unittests
@@ -315,5 +337,6 @@ workflows:
             - stm32f3-compile-all
             - stm32f4-compile-all
             - stm32f7-compile-all
+            - stm32g0-compile-all
             - stm32l4-compile-all
 

README.md

@@ -68,7 +68,7 @@ git clone --recurse-submodules https://github.com/modm-io/modm.git
 
 ## Targets
 
-modm can generate code for <!--avrcount-->76<!--/avrcount--> AVR and <!--stmcount-->886<!--/stmcount-->
+modm can generate code for <!--avrcount-->76<!--/avrcount--> AVR and <!--stmcount-->917<!--/stmcount-->
 STM32 devices, however, there are different levels of support and testing.
 
 <center>
@@ -134,10 +134,11 @@ documentation.
 <td align="center">NUCLEO-F411RE</td>
 </tr><tr>
 <td align="center">NUCLEO-F429ZI</td>
+<td align="center">NUCLEO-G071RB</td>
 <td align="center">NUCLEO-L432KC</td>
 <td align="center">NUCLEO-L476RG</td>
-<td align="center">OLIMEXINO-STM32</td>
 </tr><tr>
+<td align="center">OLIMEXINO-STM32</td>
 <td align="center">STM32F030F4P6-DEMO</td>
 </tr>
 </table>

examples/README.md

@@ -94,7 +94,7 @@ make gdb
 
 ## Interesting Examples
 
-We have a lot of examples, <!--examplecount-->168<!--/examplecount--> to be
+We have a lot of examples, <!--examplecount-->169<!--/examplecount--> to be
 exact, but here are some of our favorite examples for our supported development
 boards:
 

examples/nucleo_g071rb/blink/main.cpp

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019, Niklas Hauser
+ *
+ * This file is part of the modm project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <modm/board.hpp>
+
+using namespace Board;
+
+// ----------------------------------------------------------------------------
+int
+main()
+{
+	Board::initialize();
+
+	// Use the logging streams to print some messages.
+	// Change MODM_LOG_LEVEL above to enable or disable these messages
+	MODM_LOG_DEBUG   << "debug"   << modm::endl;
+	MODM_LOG_INFO    << "info"    << modm::endl;
+	MODM_LOG_WARNING << "warning" << modm::endl;
+	MODM_LOG_ERROR   << "error"   << modm::endl;
+
+	LedD13::setOutput();
+	static uint8_t counter{0};
+
+	while (true)
+	{
+		LedD13::toggle();
+		modm::delayMilliseconds(Button::read() ? 500 : 1000);
+
+		MODM_LOG_INFO << "loop: " << counter++ << modm::endl;
+	}
+
+	return 0;
+}

examples/nucleo_g071rb/blink/project.xml

@@ -0,0 +1,10 @@
+<library>
+  <extends>modm:nucleo-g071rb</extends>
+  <options>
+    <option name="modm:build:build.path">../../../build/nucleo_g071rb/blink</option>
+  </options>
+  <modules>
+    <module>modm:platform:gpio</module>
+    <module>modm:build:scons</module>
+  </modules>
+</library>

ext/st/module.lb

@@ -60,7 +60,7 @@ def common_rcc_map(env):
     define = None
 
     content = Path(localpath(folder, family_header)).read_text(encoding="utf-8", errors="replace")
-    match = re.findall(r"if defined\((?P<define>STM32[F|L].....)\)", content)
+    match = re.findall(r"if defined\((?P<define>STM32[F|L|G].....)\)", content)
     define = getDefineForDevice(device.identifier, match)
     if define is None or match is None:
         raise ValidateException("No device define found for '{}'!".format(device.partname))

repo.lb

@@ -69,7 +69,10 @@ class DevicesCache(dict):
 
         # roughly filter to supported devices
         supported = ["stm32f0", "stm32f1", "stm32f2", "stm32f3", "stm32f4", "stm32f7",
-                     "stm32l4", "at90", "attiny", "atmega", "hosted"]
+                     "stm32g0",
+                     "stm32l4",
+                     "at90", "attiny", "atmega",
+                     "hosted"]
         device_file_names = [dfn for dfn in device_file_names if any(s in dfn for s in supported)]
 
         # Parse the files and build the :target enumeration

src/modm/board/nucleo_g071rb/board.hpp

@@ -0,0 +1,163 @@
+/*
+ * Copyright (c) 2019, Niklas Hauser
+ *
+ * This file is part of the modm project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef MODM_STM32_NUCLEO_G071RB_HPP
+#define MODM_STM32_NUCLEO_G071RB_HPP
+
+#include <modm/platform.hpp>
+#include <modm/architecture/interface/clock.hpp>
+#include <modm/debug/logger.hpp>
+/// @ingroup modm_board_nucleo_g071rb
+#define MODM_BOARD_HAS_LOGGER
+
+using namespace modm::platform;
+
+/// @ingroup modm_board_nucleo_g071rb
+namespace Board
+{
+using namespace modm::literals;
+
+/// STM32G071RB running at 64MHz generated from the internal 16MHz crystal
+// Dummy clock for devices
+struct SystemClock {
+	static constexpr uint32_t Frequency = 64_MHz;
+	static constexpr uint32_t Ahb = Frequency;
+	static constexpr uint32_t Apb = Frequency;
+
+	static constexpr uint32_t Aes		= Ahb;
+	static constexpr uint32_t Rng		= Ahb;
+	static constexpr uint32_t Crc		= Ahb;
+	static constexpr uint32_t Flash		= Ahb;
+	static constexpr uint32_t Exti		= Ahb;
+	static constexpr uint32_t Rcc		= Ahb;
+	static constexpr uint32_t Dmamux	= Ahb;
+	static constexpr uint32_t Dma		= Ahb;
+
+	static constexpr uint32_t Dbg		= Apb;
+	static constexpr uint32_t Timer17	= Apb;
+	static constexpr uint32_t Timer16	= Apb;
+	static constexpr uint32_t Timer15	= Apb;
+	static constexpr uint32_t Usart1	= Apb;
+	static constexpr uint32_t Spi1		= Apb;
+	static constexpr uint32_t I2s1		= Apb;
+	static constexpr uint32_t Timer1	= Apb;
+	static constexpr uint32_t Adc		= Apb;
+	static constexpr uint32_t Comp		= Apb;
+	static constexpr uint32_t ItLine	= Apb;
+	static constexpr uint32_t VrefBuf	= Apb;
+	static constexpr uint32_t SysCfg	= Apb;
+	static constexpr uint32_t Tamp		= Apb;
+	static constexpr uint32_t Bkp		= Apb;
+	static constexpr uint32_t Ucpd2		= Apb;
+	static constexpr uint32_t Ucpd1		= Apb;
+	static constexpr uint32_t LpTimer2	= Apb;
+	static constexpr uint32_t LpUart1	= Apb;
+	static constexpr uint32_t LpTimer1	= Apb;
+	static constexpr uint32_t HdmiCec	= Apb;
+	static constexpr uint32_t Dac		= Apb;
+	static constexpr uint32_t Pwr		= Apb;
+	static constexpr uint32_t I2c2		= Apb;
+	static constexpr uint32_t I2c1		= Apb;
+	static constexpr uint32_t Usart4	= Apb;
+	static constexpr uint32_t Usart3	= Apb;
+	static constexpr uint32_t Usart2	= Apb;
+	static constexpr uint32_t Spi2		= Apb;
+	static constexpr uint32_t Iwdg		= Apb;
+	static constexpr uint32_t Wwdg		= Apb;
+	static constexpr uint32_t Rtc		= Apb;
+	static constexpr uint32_t Timer14	= Apb;
+	static constexpr uint32_t Timer7	= Apb;
+	static constexpr uint32_t Timer6	= Apb;
+	static constexpr uint32_t Timer3	= Apb;
+	static constexpr uint32_t Timer2	= Apb;
+
+	static bool inline
+	enable()
+	{
+		Rcc::enableInternalClock();	// 16MHz
+		// (internal clock / 1_M) * 8_N / 2_R = 128MHz / 2 = 64MHz
+		Rcc::enablePll(
+			Rcc::PllSource::InternalClock,
+			1,	// Pll_M
+			8,	// Pll_N
+			2	// Pll_R
+		);
+		// set flash latency for 64MHz
+		Rcc::setFlashLatency<Frequency>();
+		// switch system clock to PLL output
+		Rcc::enableSystemClock(Rcc::SystemClockSource::Pll);
+		Rcc::setAhbPrescaler(Rcc::AhbPrescaler::Div1);
+		Rcc::setApbPrescaler(Rcc::ApbPrescaler::Div1);
+		// update frequencies for busy-wait delay functions
+		Rcc::updateCoreFrequency<Frequency>();
+
+		return true;
+	}
+};
+
+// Arduino Footprint
+using A0 = GpioA0;
+using A1 = GpioA1;
+using A2 = GpioA4;
+using A3 = GpioB1;
+using A4 = GpioB11;
+using A5 = GpioB12;
+
+using D0  = GpioC5;
+using D1  = GpioC4;
+using D2  = GpioA10;
+using D3  = GpioB3;
+using D4  = GpioB5;
+using D5  = GpioB4;
+using D6  = GpioB14;
+using D7  = GpioA8;
+using D8  = GpioA9;
+using D9  = GpioC7;
+using D10 = GpioB0;
+using D11 = GpioA7;
+using D12 = GpioA6;
+using D13 = GpioA5;
+using D14 = GpioB9;
+using D15 = GpioB8;
+
+using Button = GpioInverted<GpioInputC13>;
+using LedD13 = D13;
+
+using Leds = SoftwareGpioPort< LedD13 >;
+
+
+namespace stlink
+{
+using Rx = GpioInputA3;
+using Tx = GpioOutputA2;
+using Uart = Usart2;
+}
+
+using LoggerDevice = modm::IODeviceWrapper< stlink::Uart, modm::IOBuffer::BlockIfFull >;
+
+
+inline void
+initialize()
+{
+	SystemClock::enable();
+	SysTickTimer::initialize<SystemClock>();
+
+	stlink::Uart::connect<stlink::Tx::Tx, stlink::Rx::Rx>();
+	stlink::Uart::initialize<SystemClock, 115200_Bd>();
+
+	Button::setInput();
+	Button::setInputTrigger(Gpio::InputTrigger::RisingEdge);
+	Button::enableExternalInterrupt();
+//	Button::enableExternalInterruptVector(12);
+}
+
+}
+
+#endif	// MODM_STM32_NUCLEO_G071RB_HPP

src/modm/board/nucleo_g071rb/board.xml

@@ -0,0 +1,15 @@
+<library>
+  <repositories>
+    <repository>
+      <path>../../../../repo.lb</path>
+    </repository>
+  </repositories>
+
+  <options>
+    <option name="modm:target">stm32g071rbt</option>
+    <option name="modm:platform:uart:2:buffer.tx">2048</option>
+  </options>
+  <modules>
+    <module>modm:board:nucleo-g071rb</module>
+  </modules>
+</library>

src/modm/board/nucleo_g071rb/module.lb

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2019, Niklas Hauser
+#
+# This file is part of the modm project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+# -----------------------------------------------------------------------------
+
+def init(module):
+    module.parent = "board"
+    module.name = "nucleo-g071rb"
+    module.description = """\
+# NUCLEO-G071RB
+
+Nucleo kit for STM32G071RB
+http://www.st.com/en/evaluation-tools/nucleo-g071rb.html
+"""
+
+def prepare(module, options):
+    if options[":target"].partname != "stm32g071rbt":
+        return False
+
+    module.depends(":platform:core", ":platform:gpio", ":platform:clock", ":platform:uart:2",
+                   ":debug", ":architecture:clock", ":architecture:clock")
+    return True
+
+def build(env):
+    env.outbasepath = "modm/src/modm/board"
+    env.substitutions = {"board_has_logger": True}
+    env.template("../board.cpp.in", "board.cpp")
+    env.copy('.')
+
+    # Waiting on this patch to OpenOCD http://openocd.zylin.com/#/c/4807
+    # env.outbasepath = "modm/openocd/modm/board/"
+    # env.copy(repopath("tools/openocd/modm/st_nucleo_g0.cfg"), "st_nucleo_g0.cfg")
+    # env.collect(":build:openocd.source", "modm/board/st_nucleo_g0.cfg")