Adds STM32G0B1 port. #810

balazsracz · 2025-01-18T16:06:15Z

Part of this work is by Brian Barnt.

CAN does not work yet, but serial does.

Adds a g0b1 generic board directory, with startup and find-emulator
Adds a g0b1re-nucleo and a g0b1rc-railcom board directories with appropriate HwInit files.
Adds example application for blink_raw and io_board.

Note that the Nucleo port uses the internal RC oscillator which does not have appropriate accuracy for us.

Misc fixes:

Fixes the default_handlers.h to be usable on both armv7m and armv6m cores. Fixes some assmebler syntax issues there. Links it to armv6m.
Fixes possible overrun in the bss and data segment initialization, when the segment length is not divisible by 4.

Remaining work:

The Stm32Uart driver needs cleanup of the conditional compilation flags. I'm not sure that the interrupts are correct for example.
A new module for MCAN needs to be developed.

…-stm32g0b1

… progress

* master: (76 commits) Fixes some compile errors in nucleo and bracz.acc. ESP-IDF CMakeLists (#800) BLE Basic Infrastructure (#788) Handles unhandled-addressed-messages by generating an OIR reply. (#798) Adds factory reset handler to linux:io_board. (#797) Fixes a standards compliance issue with the alias conflict handler. (#793) Bug fixes in DataBuffer (#791) Fixes race conditions in HubDeviceSelect. (#795) Fixes missing translation of enums when reading the security mode from a simplelink profile. (#796) Fixes flaky IfCanStress.test. (#794) Pin esp32 platform to 2.0.x (#792) Fixes detecting EOF in the memory config protocol handler. (#789) Adds a new hub application using DirectHub (#761) High-performance hub component for dealing with many sockets and high throughput (#760) Fix build of esp8266 train implementation. Removes unnecessary includes that might not exist on an embedded compiler. Fix compilation of TempFile under esp8266. Add libatomic to esp8266 nonos target. Fix compile errors in time_client app. Fixes in file memory space: (#786) ...

Updates the list of HAL files from the G0 STM32Cube version 1.16.2

… G0B1.

- fixes initialization bugs when the size of bss or data is not divisible by 4 - fixes incorrect assembler syntax - makes the assembler code use only instruction present in Cortex-M0. Links the default_handlers.h to armv6m directory as well. Updates STM32G0B1 startup.c to use default_handlers.

Removes Stm32Can.cxx from the compilation target.

bakerstu · 2025-01-18T16:51:11Z

applications/io_board/targets/freertos.armv6m.st-stm32g0b1rc-railcom/main.cxx

@@ -0,0 +1,148 @@
+/** \copyright
+ * Copyright (c) 2013, Balazs Racz


Should the copyright year here and below be updated?

bakerstu · 2025-01-18T16:51:52Z

applications/io_board/targets/freertos.armv6m.st-stm32g0b1rc-railcom/config.hxx

@@ -0,0 +1,79 @@
+#ifndef _APPLICATIONS_IO_BOARD_TARGET_CONFIG_HXX_


There is no block header at the top of this file for copyright, file doxygen, etc.

bakerstu · 2025-01-18T16:52:26Z

applications/io_board/targets/freertos.armv6m.st-stm32g0b1re-nucleo/config.hxx

@@ -0,0 +1,79 @@
+#ifndef _APPLICATIONS_IO_BOARD_TARGET_CONFIG_HXX_


...also no file block header here.

bakerstu · 2025-01-18T16:52:43Z

applications/io_board/targets/freertos.armv6m.st-stm32g0b1re-nucleo/main.cxx

@@ -0,0 +1,148 @@
+/** \copyright
+ * Copyright (c) 2013, Balazs Racz


Should the dates be updated?

I don't think so, since this file was forked without any modification.

bakerstu · 2025-01-18T16:53:21Z

boards/armv7m/default_handlers.h

+        "has_bit_two:                \n"
+        " mrs r0, psp                \n"
+        "test_done:                  \n"
+#else // original code        


Do we want to remove this dead code, or is it intentionally left behind?

bakerstu · 2025-01-18T16:56:19Z

boards/st-stm32g0b1re-nucleo/HwInit.cxx

+void timer17_fdcan_it1_interrupt_handler(void)
+{
+    blinker_interrupt_handler();
+    // todo: Fix fdcan Instances...


Minor annoyance, the commented out code is spaced kind of weird. Also, the todo tag is not a doxygen tag.

I will update this after I make the MCAN port.

bakerstu · 2025-01-18T16:56:33Z

boards/st-stm32g0b1re-nucleo/hardware.hxx

@@ -0,0 +1,13 @@
+


Missing file block header.

bakerstu · 2025-01-18T16:56:59Z

boards/st-stm32g0b1xx/startup.c

@@ -0,0 +1,204 @@
+/** \copyright
+ * Copyright (c) 2015, Stuart W Baker


Should we update the dates?

bakerstu · 2025-01-18T16:57:37Z

src/freertos_drivers/st/Stm32Can.cxx

 */

+#ifndef STM32G0B1xx
+#pragma message "Compiling CAN Driver"


Is this necessary?

bakerstu · 2025-01-18T16:57:56Z

src/freertos_drivers/st/Stm32Can.cxx

-
+#endif // ARDUINO_ARCH_STM32
+#endif // !STM32G0B1
+#pragma message "CAN Driver Complete"


Is this necessary?

Brian J Barnt and others added 30 commits August 26, 2023 19:41

initial copy from f0x

7307764

updated interunt vectors

6d23706

adding g0 hal compilation

a854ae5

adding target for g0 nucleo

e208f76

Merge branch 'master' of https://github.com/bakerstu/openMRN into bjb…

358e5e4

…-stm32g0b1

Fixes G0B1 compilation.

db7670e

added cube subfolders for g0

297342d

formatting updates

5a7c4ef

formatting updates

6528508

Added includes for G0B1 processor

3bda9c2

updated functions for G0 processor, now compiles, but still a work in…

8032f8c

… progress

Corrected compile errors for STM32G0B1; todo: FDCAN

76ae2ff

Fixed linker errors with clock settings.

e07a1d5

Fixes compilation errors.

b22858d

Updates the list of HAL files from the G0 STM32Cube version 1.16.2

Moves some files to a generic directory.

0435541

Recreates symlinks.

f271237

Adds find emulator to g0b1 directory.

c075fd8

Removes SysTick implementations from the HAL compiled sources for the…

136630c

… G0B1.

References find-emulator.mk for debug access.

a5339af

Adds board support files for the G0B1 railcom board.

8032258

Adds blink_raw target for the G0B1 railcom board.

119b366

Revert undesired change in F091 application.

c31592d

Fixes RAM size for G0B1 (it is 128K RAM, not 64k).

5cbc162

Fix broken sentence in comments.

5b13d08

Adds makefile code to factory reset a G0B1.

e5247a5

Fixes clock_setup and blinker functions for G0B1.

5630c5d

Fix comment.

72a25c8

Adds io-board port for g0b1 railcom (in serial mode only).

c3709fa

balazsracz added 6 commits January 18, 2025 15:07

Adds generated makefiles.

fee0a11

Fixes HwInit of the nucleo-g0b1 board as well.

2769f5f

Adds missing find-emulator symlink

8c25b66

Switches railcom board to crystal HSE.

38c464f

Adds a warning about poor clock accuracy.

482c589

Reverts (meaningful) changes in Stm32Can.hxx.

6c23c39

Removes Stm32Can.cxx from the compilation target.

balazsracz marked this pull request as ready for review January 18, 2025 16:48

balazsracz requested a review from bakerstu January 18, 2025 16:49

bakerstu approved these changes Jan 18, 2025

View reviewed changes

balazsracz mentioned this pull request Jan 18, 2025

[WIP] Added initial support for stm32g0b1re nucleo #733

Closed

balazsracz added 4 commits January 18, 2025 18:08

Fixes I2C clock rate.

02b6587

Updates file header comments.

a1e9046

removes dead code.

f6174b8

Fixes file header comments.

b69f9b2

balazsracz merged commit 9829633 into master Jan 18, 2025
4 checks passed

balazsracz deleted the bjb-stm32g0b1 branch January 18, 2025 17:38

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Adds STM32G0B1 port. #810

Adds STM32G0B1 port. #810

balazsracz commented Jan 18, 2025 •

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		@@ -0,0 +1,148 @@
		/** \copyright
		* Copyright (c) 2013, Balazs Racz

		@@ -0,0 +1,79 @@
		#ifndef _APPLICATIONS_IO_BOARD_TARGET_CONFIG_HXX_

		@@ -0,0 +1,204 @@
		/** \copyright
		* Copyright (c) 2015, Stuart W Baker

Adds STM32G0B1 port. #810

Adds STM32G0B1 port. #810

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balazsracz commented Jan 18, 2025 • edited Loading

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balazsracz commented Jan 18, 2025 •

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