From b3e11b605ad95e08b8e2b9acf05a30e8fd3b26b1 Mon Sep 17 00:00:00 2001 From: raiden00pl Date: Thu, 7 Jul 2022 19:22:04 +0200 Subject: [PATCH] boards: add initial support for stm32l0538-disco --- boards/Kconfig | 17 +- .../arm/stm32f0l0g0/stm32l0538-disco/Kconfig | 8 + .../stm32f0l0g0/stm32l0538-disco/README.txt | 15 ++ .../stm32l0538-disco/configs/nsh/defconfig | 50 +++++ .../stm32l0538-disco/include/board.h | 193 ++++++++++++++++++ .../stm32l0538-disco/scripts/Make.defs | 41 ++++ .../stm32l0538-disco/scripts/ld.script | 112 ++++++++++ .../stm32f0l0g0/stm32l0538-disco/src/Makefile | 39 ++++ .../stm32l0538-disco/src/stm32_appinit.c | 71 +++++++ .../stm32l0538-disco/src/stm32_autoleds.c | 78 +++++++ .../stm32l0538-disco/src/stm32_boot.c | 77 +++++++ .../stm32l0538-disco/src/stm32_bringup.c | 85 ++++++++ .../stm32l0538-disco/src/stm32_buttons.c | 116 +++++++++++ .../stm32l0538-disco/src/stm32l0538-disco.h | 102 +++++++++ 14 files changed, 1002 insertions(+), 2 deletions(-) create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/Kconfig create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/README.txt create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/configs/nsh/defconfig create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/include/board.h create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/scripts/Make.defs create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/scripts/ld.script create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/src/Makefile create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_appinit.c create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_autoleds.c create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_boot.c create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_bringup.c create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_buttons.c create mode 100644 boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32l0538-disco.h diff --git a/boards/Kconfig b/boards/Kconfig index 0cb6e5fed4..ce75222761 100644 --- a/boards/Kconfig +++ b/boards/Kconfig @@ -1880,6 +1880,15 @@ config ARCH_BOARD_STM3240G_EVAL microcontroller (ARM Cortex-M4 with FPU). This port uses a GNU Cortex-M4 toolchain (such as CodeSourcery). +config ARCH_BOARD_STM32L0538_DISCO + bool "STMicro STM32L0538-Disco board" + depends on ARCH_CHIP_STM32L053C8 + select ARCH_HAVE_LEDS + select ARCH_HAVE_BUTTONS + select ARCH_HAVE_IRQBUTTONS + ---help--- + STMicro STM32L0538-Disco board based on the STMicro STM32L053C8 MCU. + config ARCH_BOARD_STM32F051_DISCOVERY bool "STMicro STM32F051-Discovery board" depends on ARCH_CHIP_STM32F051R8 @@ -1887,7 +1896,7 @@ config ARCH_BOARD_STM32F051_DISCOVERY select ARCH_HAVE_BUTTONS select ARCH_HAVE_IRQBUTTONS ---help--- - STMicro STM32F051-Discovery board based on the STMicro ARCH_CHIP_STM32F051R8 MCU. + STMicro STM32F051-Discovery board based on the STMicro STM32F051R8 MCU. config ARCH_BOARD_STM32F072_DISCOVERY bool "STMicro STM32F072-Discovery board" @@ -1896,7 +1905,7 @@ config ARCH_BOARD_STM32F072_DISCOVERY select ARCH_HAVE_BUTTONS select ARCH_HAVE_IRQBUTTONS ---help--- - STMicro STM32F072-Discovery board based on the STMicro ARCH_CHIP_STM32F072RB MCU. + STMicro STM32F072-Discovery board based on the STMicro STM32F072RB MCU. config ARCH_BOARD_STM32F3_DISCOVERY bool "STMicro STM32F3-Discovery board" @@ -2654,6 +2663,7 @@ config ARCH_BOARD default "pnev5180b" if ARCH_BOARD_PNEV5180B default "stm32butterfly2" if ARCH_BOARD_STM32_BUTTERFLY2 default "stm32_tiny" if ARCH_BOARD_STM32_TINY + default "stm32l0538-disco" if ARCH_BOARD_STM32L0538_DISCO default "stm32f051-discovery" if ARCH_BOARD_STM32F051_DISCOVERY default "stm32f072-discovery" if ARCH_BOARD_STM32F072_DISCOVERY default "stm32f103-minimum" if ARCH_BOARD_STM32F103_MINIMUM @@ -3059,6 +3069,9 @@ endif if ARCH_BOARD_STM32F051_DISCOVERY source "boards/arm/stm32f0l0g0/stm32f051-discovery/Kconfig" endif +if ARCH_BOARD_STM32L0538_DISCO +source "boards/arm/stm32f0l0g0/stm32l0538-disco/Kconfig" +endif if ARCH_BOARD_STM32F072_DISCOVERY source "boards/arm/stm32f0l0g0/stm32f072-discovery/Kconfig" endif diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/Kconfig b/boards/arm/stm32f0l0g0/stm32l0538-disco/Kconfig new file mode 100644 index 0000000000..f7e10a7921 --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/Kconfig @@ -0,0 +1,8 @@ +# +# For a description of the syntax of this configuration file, +# see the file kconfig-language.txt in the NuttX tools repository. +# + +if ARCH_BOARD_STM32L0538_DISCO + +endif diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/README.txt b/boards/arm/stm32f0l0g0/stm32l0538-disco/README.txt new file mode 100644 index 0000000000..3a7c0da3b8 --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/README.txt @@ -0,0 +1,15 @@ +README +====== + + This README discusses issues unique to NuttX configurations for the + STMicro STM32L0538-DISO development board. The STM32L0538-DISO board + is based on the STM32L053C8 MCU (64Kbytes FLASH, 8Kbytes of SRAM and + 6Kbytes of EEPROM). + + The board features: + + - An ST-LINK/V2-1 embedded debug tool interface, + - 2.13" E-paper display, 122×250 pixels + - USB 2.0 FS + - One linear touch sensor or four touchkeys + - IDD current measurement diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/configs/nsh/defconfig b/boards/arm/stm32f0l0g0/stm32l0538-disco/configs/nsh/defconfig new file mode 100644 index 0000000000..a593c3b222 --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/configs/nsh/defconfig @@ -0,0 +1,50 @@ +# +# This file is autogenerated: PLEASE DO NOT EDIT IT. +# +# You can use "make menuconfig" to make any modifications to the installed .config file. +# You can then do "make savedefconfig" to generate a new defconfig file that includes your +# modifications. +# +# CONFIG_LIBC_LONG_LONG is not set +CONFIG_ARCH="arm" +CONFIG_ARCH_BOARD="stm32l0538-disco" +CONFIG_ARCH_BOARD_STM32L0538_DISCO=y +CONFIG_ARCH_CHIP="stm32f0l0g0" +CONFIG_ARCH_CHIP_STM32L053C8=y +CONFIG_ARCH_CHIP_STM32L053XX=y +CONFIG_ARCH_CHIP_STM32L0=y +CONFIG_ARCH_STACKDUMP=y +CONFIG_BOARD_LOOPSPERMSEC=2796 +CONFIG_BUILTIN=y +CONFIG_DEBUG_FULLOPT=y +CONFIG_DEBUG_SYMBOLS=y +CONFIG_DEFAULT_TASK_STACKSIZE=1024 +CONFIG_DISABLE_ENVIRON=y +CONFIG_DISABLE_MOUNTPOINT=y +CONFIG_DISABLE_MQUEUE=y +CONFIG_DISABLE_POSIX_TIMERS=y +CONFIG_DISABLE_PSEUDOFS_OPERATIONS=y +CONFIG_EXAMPLES_HELLO=y +CONFIG_EXPERIMENTAL=y +CONFIG_INIT_ENTRYPOINT="nsh_main" +CONFIG_INTELHEX_BINARY=y +CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6 +CONFIG_NSH_BUILTIN_APPS=y +CONFIG_NUNGET_CHARS=0 +CONFIG_PREALLOC_TIMERS=0 +CONFIG_PTHREAD_MUTEX_UNSAFE=y +CONFIG_RAM_SIZE=8192 +CONFIG_RAM_START=0x20000000 +CONFIG_RAW_BINARY=y +CONFIG_RR_INTERVAL=200 +CONFIG_SCHED_WAITPID=y +CONFIG_START_DAY=19 +CONFIG_START_MONTH=5 +CONFIG_START_YEAR=2013 +CONFIG_STDIO_DISABLE_BUFFERING=y +CONFIG_STM32F0L0G0_PWR=y +CONFIG_STM32F0L0G0_USART1=y +CONFIG_SYSTEM_NSH=y +CONFIG_TASK_NAME_SIZE=0 +CONFIG_TLS_NELEM=0 +CONFIG_USART1_SERIAL_CONSOLE=y diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/include/board.h b/boards/arm/stm32f0l0g0/stm32l0538-disco/include/board.h new file mode 100644 index 0000000000..c21ae58ad1 --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/include/board.h @@ -0,0 +1,193 @@ +/**************************************************************************** + * boards/arm/stm32f0l0g0/stm32l0538-disco/include/board.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +#ifndef __BOARDS_ARM_STM32F0L0G0_STM32L0538_DISCO_INCLUDE_BOARD_H +#define __BOARDS_ARM_STM32F0L0G0_STM32L0538_DISCO_INCLUDE_BOARD_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Clocking *****************************************************************/ + +/* HSI - Internal 16 MHz RC Oscillator + * LSI - 32 KHz RC + * HSE - 8 MHz from MCO output of ST-LINK + * LSE - 32.768 kHz + */ + +#define STM32_BOARD_XTAL 8000000ul + +#define STM32_HSEBYP_ENABLE +#define STM32_HSI_FREQUENCY 16000000ul +#define STM32_LSI_FREQUENCY 32000 /* Between 30kHz and 60kHz */ +#define STM32_HSE_FREQUENCY STM32_BOARD_XTAL +#define STM32_LSE_FREQUENCY 32768 /* X2 on board */ + +/* PLL source is HSE/1, PLL multipler is 8: + * PLL frequency is 8MHz (XTAL) x 8 = 64MHz + */ + +#define STM32_CFGR_PLLSRC RCC_CFGR_PLLSRC +#define STM32_CFGR_PLLXTPRE 0 +#define STM32_CFGR_PLLMUL RCC_CFGR_PLLMUL_CLKx8 +#define STM32_PLL_FREQUENCY (8*STM32_BOARD_XTAL) + +/* Use the PLL and set the SYSCLK source to be the PLL/2 (32MHz) */ + +#define STM32_SYSCLK_SW RCC_CFGR_SW_PLL +#define STM32_SYSCLK_SWS RCC_CFGR_SWS_PLL +#define STM32_CFGR_PLLDIV RCC_CFGR_PLLDIV_2 +#define STM32_SYSCLK_FREQUENCY STM32_PLL_FREQUENCY/2 + +/* AHB clock (HCLK) is SYSCLK (32MHz) */ + +#define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK +#define STM32_HCLK_FREQUENCY STM32_SYSCLK_FREQUENCY + +/* APB2 clock (PCLK2) is HCLK (32MHz) */ + +#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK +#define STM32_PCLK2_FREQUENCY STM32_HCLK_FREQUENCY +#define STM32_APB2_CLKIN (STM32_PCLK2_FREQUENCY) + +/* APB1 clock (PCLK1) is HCLK/2 (16MHz) */ + +#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd2 +#define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/2) + +/* 48MHz clock configuration */ + +#if defined(CONFIG_STM32F0L0G0_USB) || defined(CONFIG_STM32F0L0G0_RNG) +# define STM32_USE_CLK48 1 +# define STM32_CLK48_SEL RCC_CCIPR_CLK48SEL_HSI48 +# define STM32_HSI48_SYNCSRC SYNCSRC_NONE +#endif + +/* TODO: timers */ + +/* LED definitions **********************************************************/ + +/* The STM32L0538-DISCO board has three LEDs. Two of these are controlled by + * logic on the board and are not available for software control: + * + * LD1 COM: LD1 default status is red. LD1 turns to green to indicate that + * communications are in progress between the PC and the + * ST-LINK/V2-1. + * LD3 PWR: red LED indicates that the board is powered. + * + * And one can be controlled by software: + * + * User LD2: green LED is a user LED connected to the I/O PA5 of the + * STM32L053C8T6. + * + * If CONFIG_ARCH_LEDS is not defined, then the user can control the LED in + * any way. The following definition is used to access the LED. + */ + +/* LED index values for use with board_userled() */ + +#define BOARD_LED1 0 /* User LD2 */ +#define BOARD_NLEDS 1 + +/* LED bits for use with board_userled_all() */ + +#define BOARD_LED1_BIT (1 << BOARD_LED1) + +/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board + * the STM32L0538-DISCO. The following definitions describe how NuttX + * controls the LED: + * + * SYMBOL Meaning LED1 state + * ------------------ ----------------------- ---------- + * LED_STARTED NuttX has been started OFF + * LED_HEAPALLOCATE Heap has been allocated OFF + * LED_IRQSENABLED Interrupts enabled OFF + * LED_STACKCREATED Idle stack created ON + * LED_INIRQ In an interrupt No change + * LED_SIGNAL In a signal handler No change + * LED_ASSERTION An assertion failed No change + * LED_PANIC The system has crashed Blinking + * LED_IDLE STM32 is is sleep mode Not used + */ + +#define LED_STARTED 0 +#define LED_HEAPALLOCATE 0 +#define LED_IRQSENABLED 0 +#define LED_STACKCREATED 1 +#define LED_INIRQ 2 +#define LED_SIGNAL 2 +#define LED_ASSERTION 2 +#define LED_PANIC 1 + +/* Button definitions *******************************************************/ + +/* The STM32L0538-DISCO supports two buttons; only one button is controllable + * by software: + * + * B1 USER: user button connected to the I/O PA0 of the STM32L053C8T6. + * B2 RESET: push button connected to NRST is used to RESET the + * STM32L053C8T6. + */ + +#define BUTTON_USER 0 +#define NUM_BUTTONS 1 + +#define BUTTON_USER_BIT (1 << BUTTON_USER) + +/* Alternate function pin selections ****************************************/ + +/* USART */ + +/* By default the USART1 is connected to STLINK Virtual COM Port: + * USART1_RX - PA10 + * USART1_TX - PA9 + */ + +#define GPIO_USART1_RX GPIO_USART1_RX_1 /* PA10 */ +#define GPIO_USART1_TX GPIO_USART1_TX_1 /* PA9 */ + +/* SPI1 - E-papper display: + * SPI1_MISO - not used + * SPI1_MOSI - PB5 + * SPI1_SCK - PB3 + */ + +#undef GPIO_SPI1_MISO /* Not used */ +#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_3 /* PB5 */ +#define GPIO_SPI1_SCK GPIO_SPI1_SCK_2 /* PB3 */ + +/* SPI2 - NFC connector: + * SPI2_MISO - PB14 + * SPI2_MOSI - PB15 + * SPI2_SCK - PB13 + */ + +#define GPIO_SPI2_MISO GPIO_SPI2_MISO_1 /* PB14 */ +#define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1 /* PB15 */ +#define GPIO_SPI2_SCK GPIO_SPI2_SCK_3 /* PB13 */ + +#endif /* __BOARDS_ARM_STM32F0L0G0_STM32L0538_DISCO_INCLUDE_BOARD_H */ diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/scripts/Make.defs b/boards/arm/stm32f0l0g0/stm32l0538-disco/scripts/Make.defs new file mode 100644 index 0000000000..f00ff5ea9e --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/scripts/Make.defs @@ -0,0 +1,41 @@ +############################################################################ +# boards/arm/stm32f0l0g0/stm32l0538-disco/scripts/Make.defs +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance with the +# License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +# +############################################################################ + +include $(TOPDIR)/.config +include $(TOPDIR)/tools/Config.mk +include $(TOPDIR)/arch/arm/src/armv6-m/Toolchain.defs + +LDSCRIPT = ld.script +ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)$(LDSCRIPT) + +ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef +ARCHWARNINGSXX = -Wall -Wshadow -Wundef +ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10 + +CFLAGS := $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe +CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS) +CXXFLAGS := $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe +CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS) +CPPFLAGS := $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) +AFLAGS := $(CFLAGS) -D__ASSEMBLY__ + +NXFLATLDFLAGS1 = -r -d -warn-common +NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections +LDNXFLATFLAGS = -e main -s 2048 diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/scripts/ld.script b/boards/arm/stm32f0l0g0/stm32l0538-disco/scripts/ld.script new file mode 100644 index 0000000000..b0ec49a950 --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/scripts/ld.script @@ -0,0 +1,112 @@ +/**************************************************************************** + * boards/arm/stm32f0l0g0/stm32l0538-disco/scripts/ld.script + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/* The STM32L0538-DISCO has 64Kb of FLASH beginning at address 0x0800:0000. + * 8Kb of SRAM and 6Kb of EEPROM + * + * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000 + * where the code expects to begin execution by jumping to the entry point in + * the 0x0800:0000 address range. + */ + +MEMORY +{ + flash (rx) : ORIGIN = 0x08000000, LENGTH = 64K + sram (rwx) : ORIGIN = 0x20000000, LENGTH = 8K +} + +OUTPUT_ARCH(arm) +EXTERN(_vectors) +ENTRY(_stext) +SECTIONS +{ + .text : { + _stext = ABSOLUTE(.); + *(.vectors) + *(.text .text.*) + *(.fixup) + *(.gnu.warning) + *(.rodata .rodata.*) + *(.gnu.linkonce.t.*) + *(.glue_7) + *(.glue_7t) + *(.got) + *(.gcc_except_table) + *(.gnu.linkonce.r.*) + _etext = ABSOLUTE(.); + } > flash + + .init_section : ALIGN(4) { + _sinit = ABSOLUTE(.); + *(.init_array .init_array.*) + _einit = ABSOLUTE(.); + } > flash + + .ARM.extab : ALIGN(4) { + *(.ARM.extab*) + } > flash + + .ARM.exidx : ALIGN(4) { + __exidx_start = ABSOLUTE(.); + *(.ARM.exidx*) + __exidx_end = ABSOLUTE(.); + } > flash + + _eronly = ABSOLUTE(.); + + /* The RAM vector table (if present) should lie at the beginning of SRAM */ + + .ram_vectors : { + *(.ram_vectors) + } > sram + + .data : ALIGN(4) { + _sdata = ABSOLUTE(.); + *(.data .data.*) + *(.gnu.linkonce.d.*) + CONSTRUCTORS + . = ALIGN(4); + _edata = ABSOLUTE(.); + } > sram AT > flash + + .bss : ALIGN(4) { + _sbss = ABSOLUTE(.); + *(.bss .bss.*) + *(.gnu.linkonce.b.*) + *(COMMON) + . = ALIGN(4); + _ebss = ABSOLUTE(.); + } > sram + + /* Stabs debugging sections. */ + + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_info 0 : { *(.debug_info) } + .debug_line 0 : { *(.debug_line) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_aranges 0 : { *(.debug_aranges) } +} diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/src/Makefile b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/Makefile new file mode 100644 index 0000000000..4a3cbb6dc1 --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/Makefile @@ -0,0 +1,39 @@ +############################################################################ +# boards/arm/stm32f0l0g0/stm32l0538-disco/src/Makefile +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance with the +# License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +# +############################################################################ + +include $(TOPDIR)/Make.defs + +CSRCS = stm32_boot.c stm32_bringup.c + +ifeq ($(CONFIG_ARCH_LEDS),y) +CSRCS += stm32_autoleds.c +else +CSRCS += stm32_userleds.c +endif + +ifeq ($(CONFIG_ARCH_BUTTONS),y) +CSRCS += stm32_buttons.c +endif + +ifeq ($(CONFIG_BOARDCTL),y) +CSRCS += stm32_appinit.c +endif + +include $(TOPDIR)/boards/Board.mk diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_appinit.c b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_appinit.c new file mode 100644 index 0000000000..3bae36e748 --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_appinit.c @@ -0,0 +1,71 @@ +/**************************************************************************** + * boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_appinit.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include + +#include "stm32l0538-disco.h" + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_app_initialize + * + * Description: + * Perform application specific initialization. This function is never + * called directly from application code, but only indirectly via the + * (non-standard) boardctl() interface using the command BOARDIOC_INIT. + * + * Input Parameters: + * arg - The boardctl() argument is passed to the board_app_initialize() + * implementation without modification. The argument has no + * meaning to NuttX; the meaning of the argument is a contract + * between the board-specific initialization logic and the + * matching application logic. The value could be such things as a + * mode enumeration value, a set of DIP switch switch settings, a + * pointer to configuration data read from a file or serial FLASH, + * or whatever you would like to do with it. Every implementation + * should accept zero/NULL as a default configuration. + * + * Returned Value: + * Zero (OK) is returned on success; a negated errno value is returned on + * any failure to indicate the nature of the failure. + * + ****************************************************************************/ + +int board_app_initialize(uintptr_t arg) +{ +#ifdef CONFIG_BOARD_LATE_INITIALIZE + /* Board initialization already performed by board_late_initialize() */ + + return OK; +#else + /* Perform board-specific initialization */ + + return stm32_bringup(); +#endif +} diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_autoleds.c b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_autoleds.c new file mode 100644 index 0000000000..84d8e2a62d --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_autoleds.c @@ -0,0 +1,78 @@ +/**************************************************************************** + * boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_autoleds.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include + +#include "stm32_gpio.h" +#include "stm32l0538-disco.h" + +#include + +#ifdef CONFIG_ARCH_LEDS + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_autoled_initialize + ****************************************************************************/ + +void board_autoled_initialize(void) +{ + /* Configure LED1 GPIO for output */ + + stm32_configgpio(GPIO_LED1); +} + +/**************************************************************************** + * Name: board_autoled_on + ****************************************************************************/ + +void board_autoled_on(int led) +{ + if (led == BOARD_LED1) + { + stm32_gpiowrite(GPIO_LED1, true); + } +} + +/**************************************************************************** + * Name: board_autoled_off + ****************************************************************************/ + +void board_autoled_off(int led) +{ + if (led == BOARD_LED1) + { + stm32_gpiowrite(GPIO_LED1, false); + } +} + +#endif /* CONFIG_ARCH_LEDS */ diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_boot.c b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_boot.c new file mode 100644 index 0000000000..f92ae77cc8 --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_boot.c @@ -0,0 +1,77 @@ +/**************************************************************************** + * boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_boot.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include "stm32l0538-disco.h" + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: stm32_boardinitialize + * + * Description: + * All STM32 architectures must provide the following entry point. This + * entry point is called early in the initialization -- after all memory + * has been configured and mapped but before any devices have been + * initialized. + * + ****************************************************************************/ + +void stm32_boardinitialize(void) +{ +#ifdef CONFIG_ARCH_LEDS + /* Configure on-board LEDs if LED support has been selected. */ + + board_autoled_initialize(); +#endif +} + +/**************************************************************************** + * Name: board_late_initialize + * + * Description: + * If CONFIG_BOARD_LATE_INITIALIZE is selected, then an additional + * initialization call will be performed in the boot-up sequence to a + * function called board_late_initialize(). board_late_initialize() will + * be called immediately after up_initialize() is called and just before + * the initial application is started. This additional initialization + * phase may be used, for example, to initialize board-specific device + * drivers. + * + ****************************************************************************/ + +#ifdef CONFIG_BOARD_LATE_INITIALIZE +void board_late_initialize(void) +{ + /* Perform board-specific initialization */ + + stm32_bringup(); +} +#endif diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_bringup.c b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_bringup.c new file mode 100644 index 0000000000..5098c231df --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_bringup.c @@ -0,0 +1,85 @@ +/**************************************************************************** + * boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_bringup.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include "stm32l0538-disco.h" + +#ifdef CONFIG_INPUT_BUTTONS +# include +#endif + +#ifdef CONFIG_USERLED +# include +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: stm32_bringup + * + * Description: + * Perform architecture-specific initialization + * + * CONFIG_BOARD_LATE_INITIALIZE=y : + * Called from board_late_initialize(). + * + * CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_BOARDCTL=y : + * Called from the NSH library + * + ****************************************************************************/ + +int stm32_bringup(void) +{ + int ret; + +#ifdef CONFIG_INPUT_BUTTONS + /* Register the BUTTON driver */ + + ret = btn_lower_initialize("/dev/buttons"); + if (ret < 0) + { + syslog(LOG_ERR, "ERROR: btn_lower_initialize() failed: %d\n", ret); + } +#endif + +#ifdef CONFIG_USERLED + /* Register the LED driver */ + + ret = userled_lower_initialize(LED_DRIVER_PATH); + if (ret < 0) + { + syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret); + return ret; + } +#endif + + UNUSED(ret); + return OK; +} diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_buttons.c b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_buttons.c new file mode 100644 index 0000000000..3d8b6b6cac --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_buttons.c @@ -0,0 +1,116 @@ +/**************************************************************************** + * boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32_buttons.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include +#include + +#include +#include + +#include "stm32_gpio.h" +#include "stm32l0538-disco.h" + +#include + +#ifdef CONFIG_ARCH_BUTTONS + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_button_initialize + * + * Description: + * board_button_initialize() must be called to initialize button resources. + * After that, board_buttons() may be called to collect the current state + * of all buttons or board_button_irq() may be called to register button + * interrupt handlers. + * + ****************************************************************************/ + +uint32_t board_button_initialize(void) +{ + /* Configure the single button as an input. NOTE that EXTI interrupts are + * also configured for the pin. + */ + + stm32_configgpio(GPIO_BTN_USER); + return NUM_BUTTONS; +} + +/**************************************************************************** + * Name: board_buttons + ****************************************************************************/ + +uint32_t board_buttons(void) +{ + /* Check that state of each USER button. A LOW value means that the key is + * pressed. + */ + + bool released = stm32_gpioread(GPIO_BTN_USER); + return !released; +} + +/**************************************************************************** + * Button support. + * + * Description: + * board_button_initialize() must be called to initialize button resources. + * After that, board_buttons() may be called to collect the current state + * of all buttons or board_button_irq() may be called to register button + * interrupt handlers. + * + * After board_button_initialize() has been called, board_buttons() may be + * called to collect the state of all buttons. board_buttons() returns an + * 32-bit bit set with each bit associated with a button. See the + * BUTTON_*_BIT definitions in board.h for the meaning of each bit. + * + * board_button_irq() may be called to register an interrupt handler that + * will be called when a button is depressed or released. The ID value is a + * button enumeration value that uniquely identifies a button resource. See + * the BUTTON_* definitions in board.h for the meaning of enumeration + * value. + * + ****************************************************************************/ + +#ifdef CONFIG_ARCH_IRQBUTTONS +int board_button_irq(int id, xcpt_t irqhandler, void *arg) +{ + int ret = -EINVAL; + + if (id == BUTTON_USER) + { + ret = stm32_gpiosetevent(GPIO_BTN_USER, true, true, true, + irqhandler, arg); + } + + return ret; +} +#endif +#endif /* CONFIG_ARCH_BUTTONS */ diff --git a/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32l0538-disco.h b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32l0538-disco.h new file mode 100644 index 0000000000..e776f1dccf --- /dev/null +++ b/boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32l0538-disco.h @@ -0,0 +1,102 @@ +/**************************************************************************** + * boards/arm/stm32f0l0g0/stm32l0538-disco/src/stm32l0538-disco.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +#ifndef __BOARDS_ARM_STM32F0L0G0_STM32L0538_DISCO_SRC_STM32L0538_DISCO_H +#define __BOARDS_ARM_STM32F0L0G0_STM32L0538_DISCO_SRC_STM32L0538_DISCO_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* LED definitions **********************************************************/ + +/* The STM32L0538-DISCO board has three LEDs. Two of these are controlled by + * logic on the board and are not available for software control: + * + * LD1 COM: LD1 default status is red. LD1 turns to green to indicate that + * communications are in progress between the PC and the + * ST-LINK/V2-1. + * LD2 PWR: red LED indicates that the board is powered. + * + * And one can be controlled by software: + * + * User LD3: green LED is a user LED connected to the I/O PB5 of the + * STM32L053C8T6. + * User LD4: green LED is a user LED connected to the I/O PA5 of the + * STM32L053C8T6. + * + * If CONFIG_ARCH_LEDS is not defined, then the user can control the LED in + * any way. The following definition is used to access the LED. + */ + +#define GPIO_LED1 (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_HIGH | \ + GPIO_OUTPUT_CLEAR | GPIO_PORTB | GPIO_PIN5) +#define GPIO_LED2 (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_HIGH | \ + GPIO_OUTPUT_CLEAR | GPIO_PORTA | GPIO_PIN5) + +#define LED_DRIVER_PATH "/dev/userleds" + +/* Button definitions *******************************************************/ + +/* The STM32L0538-DISCO supports two buttons; only one button is controllable + * by software: + * + * B1 USER: user button connected to the I/O PA0 of the STM32L053C8T6. + * B2 RESET: push button connected to NRST is used to RESET the + * STM32L053C8T6 that EXTI interrupts are configured. + */ + +#define MIN_IRQBUTTON BUTTON_USER +#define MAX_IRQBUTTON BUTTON_USER +#define NUM_IRQBUTTONS 1 +#define GPIO_BTN_USER (GPIO_INPUT | GPIO_FLOAT | GPIO_EXTI | GPIO_PORTA | \ + GPIO_PIN0) + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Name: stm32_bringup + * + * Description: + * Perform architecture-specific initialization + * + * CONFIG_BOARD_LATE_INITIALIZE=y : + * Called from board_late_initialize(). + * + * CONFIG_BOARD_LATE_INITIALIZE=y && CONFIG_BOARDCTL=y : + * Called from the NSH library + * + ****************************************************************************/ + +int stm32_bringup(void); + +#endif /* __BOARDS_ARM_STM32F0L0G0_STM32L0538_DISCO_SRC_STM32L0538_DISCO_H */