stm32/f0: Created a meson build system for the STM32F0 series support

include/libopencm3/stm32/f0/meson.build

@@ -0,0 +1,46 @@
+# This file is part of the libopencm3 project.
+#
+# Copyright (C) 2023 1BitSquared <info@1bitsquared.com>
+# Written by Rachel Mant <git@dragonmux.network>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this
+#    list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+#    this list of conditions and the following disclaimer in the documentation
+#    and/or other materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its
+#    contributors may be used to endorse or promote products derived from
+#    this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+stm32f0_nvic_header = custom_target(
+	'nvic.h',
+	command: [irq2nvic, '@INPUT@'],
+	input: 'irq.json',
+	# We only name one of the 3 output files due to how this all works.
+	# This script will write:
+	# - include/libopencm3/stm32/f0/nvic.h
+	# - lib/stm32/f0/vector_nvic.c
+	# - include/libopencmsis/stm32/f0/irqhandlers.h
+	output: 'nvic.h',
+	install: false,
+)
+
+stm32f0_vector_nvic = declare_dependency(
+	sources: stm32f0_nvic_header,
+)

include/meson.build

@@ -31,7 +31,8 @@
 common_includes = include_directories('.')
 
 target_paths = {
-	'stm32f1': 'stm32/f1'
+	'stm32f0': 'stm32/f0',
+	'stm32f1': 'stm32/f1',
 }
 
 if target_platform != 'all'

lib/stm32/common/meson.build

@@ -29,17 +29,31 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 libstm32_adc_v1_sources = files('adc_common_v1.c')
+libstm32_adc_v2_sources = files('adc_common_v2.c')
 libstm32_crc_v1_sources = files('crc_common_all.c')
+libstm32_crc_v2_sources = [
+	libstm32_crc_v1_sources,
+	files('crc_v2.c'),
+]
+libstm32_crs_sources = files('crs_common_all.c')
 libstm32_dac_sources = files('dac_common_all.c')
 libstm32_dac_v1_sources = [
 	libstm32_dac_sources,
 	files('dac_common_v1.c'),
 ]
+libstm32_dac_v2_sources = [
+	libstm32_dac_sources,
+	files('dac_common_v2.c'),
+]
 libstm32_desig_v1_sources = files(
 	'desig_common_all.c',
 	'desig_common_v1.c'
 )
 libstm32_dma_sources = files('dma_common_l1f013.c')
+libstm32_dma_csel_sources = [
+	libstm32_dma_sources,
+	files('dma_common_csel.c'),
+]
 libstm32_exti_sources = files('exti_common_all.c')
 libstm32_flash_sources = files('flash_common_all.c')
 libstm32_flash_f_sources = [
@@ -51,20 +65,38 @@ libstm32_flash_f01_sources = [
 	files('flash_common_f01.c'),
 ]
 libstm32_gpio_sources = files('gpio_common_all.c')
+libstm32_gpio_f0234_sources = [
+	libstm32_gpio_sources,
+	files('gpio_common_f0234.c'),
+]
 libstm32_iwdg_sources = files('iwdg_common_all.c')
 libstm32_i2c_v1_sources = files('i2c_common_v1.c')
+libstm32_i2c_v2_sources = files('i2c_common_v2.c')
 libstm32_pwr_v1_sources = files('pwr_common_v1.c')
 libstm32_rcc_sources = files('rcc_common_all.c')
+libstm32_rtc_l1f024_sources = files('rtc_common_l1f024.c')
 libstm32_spi_sources = files('spi_common_all.c')
 libstm32_spi_v1_sources = [
 	libstm32_spi_sources,
 	files('spi_common_v1.c'),
 ]
+libstm32_spi_v2_sources = [
+	libstm32_spi_sources,
+	files('spi_common_v2.c'),
+]
 libstm32_timer_sources = files('timer_common_all.c')
+libstm32_timer_f0234_sources = [
+	libstm32_timer_sources,
+	files('timer_common_f0234.c'),
+]
 libstm32_usart_sources = files('usart_common_all.c')
 libstm32_usart_f124_sources = [
 	libstm32_usart_sources,
 	files('usart_common_f124.c'),
 ]
+libstm32_usart_v2_sources = [
+	libstm32_usart_sources,
+	files('usart_common_v2.c'),
+]
 
 libstm32_usb_fs_sources = files('st_usbfs_core.c')

lib/stm32/f0/meson.build

@@ -0,0 +1,98 @@
+# This file is part of the libopencm3 project.
+#
+# Copyright (C) 2023 1BitSquared <info@1bitsquared.com>
+# Written by Rachel Mant <git@dragonmux.network>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this
+#    list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+#    this list of conditions and the following disclaimer in the documentation
+#    and/or other materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its
+#    contributors may be used to endorse or promote products derived from
+#    this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+stm32f0_cm3 = declare_dependency(
+	sources: cm3_sources,
+	include_directories: cm3_includes,
+	dependencies: stm32f0_vector_nvic,
+)
+
+# Sources specific to the F0 series
+libstm32f0_sources = files(
+	'adc.c',
+	'comparator.c',
+	'flash.c',
+	#'i2c.c', # XXX: This source is unused for some reason
+	'rcc.c',
+	#'syscfg.c', # XXX: This source is unused for some reason
+)
+
+libstm32f0_compile_args = [
+	'-mcpu=cortex-m0',
+	'-mthumb',
+	'-DSTM32F0',
+]
+
+# Build a static library for the target platform
+libstm32f0 = static_library(
+	'opencm3_stm32f0',
+	[
+		libstm32f0_sources,
+		libstm32_adc_v2_sources,
+		libstm32_crc_v2_sources,
+		libstm32_crs_sources,
+		libstm32_dac_v1_sources,
+		libstm32_desig_v1_sources,
+		libstm32_dma_csel_sources,
+		libstm32_exti_sources,
+		libstm32_flash_f01_sources,
+		libstm32_gpio_f0234_sources,
+		libstm32_iwdg_sources,
+		libstm32_i2c_v2_sources,
+		libstm32_pwr_v1_sources,
+		libstm32_rcc_sources,
+		libstm32_rtc_l1f024_sources,
+		libstm32_spi_v2_sources,
+		libstm32_timer_f0234_sources,
+		libstm32_usart_v2_sources,
+		libstm32_can_sources,
+	],
+	c_args: libstm32f0_compile_args,
+	include_directories: common_includes,
+	implicit_include_directories: false,
+	dependencies: [
+		stm32f0_cm3,
+		usb_common,
+		libstm32_usb_fs_v2,
+	],
+	pic: false,
+)
+
+# Make the dependency available to use
+opencm3_stm32f0 = declare_dependency(
+	compile_args: libstm32f0_compile_args,
+	include_directories: common_includes,
+	link_with: libstm32f0,
+	link_args: [
+		f'-L@locm3_ld_script_path@',
+	],
+)
+
+meson.override_dependency('opencm3_stm32f0', opencm3_stm32f0)

lib/stm32/meson.build

@@ -48,6 +48,7 @@ libstm32_usb_fs_v2 = declare_dependency(
 
 # Mapping of target platform names to subdirs
 subdirs = {
+	'stm32f0': 'f0',
 	'stm32f1': 'f1',
 }
 

meson_options.txt

@@ -3,7 +3,8 @@ option(
 	type: 'combo',
 	choices: [
 		'all',
-		'stm32f1'
+		'stm32f0',
+		'stm32f1',
 	],
 	value: 'all',
 	description: 'The hardware platform you wish to target'