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commit 30a74203490b51069daf2c0967d408c168eff4d6 Author: Alan Carvalho de Assis <[email protected]> AuthorDate: Sat Dec 20 17:59:05 2025 -0300 boards/esp32: Add initial support to heltec_wifi_lora32 This commit adds basic/initial support to Heltec WiFi LoRa32 board. Signed-off-by: Alan C. Assis <[email protected]> --- arch/xtensa/src/esp32/Kconfig | 2 +- boards/Kconfig | 13 +++ boards/xtensa/esp32/heltec_wifi_lora32/Kconfig | 8 ++ .../esp32/heltec_wifi_lora32/configs/nsh/defconfig | 47 ++++++++ .../esp32/heltec_wifi_lora32/include/board.h | 58 +++++++++ .../heltec_wifi_lora32/include/board_memorymap.h | 130 +++++++++++++++++++++ .../esp32/heltec_wifi_lora32/scripts/Make.defs | 51 ++++++++ .../xtensa/esp32/heltec_wifi_lora32/src/Make.defs | 32 +++++ .../esp32/heltec_wifi_lora32/src/esp32_appinit.c | 82 +++++++++++++ .../esp32/heltec_wifi_lora32/src/esp32_boot.c | 98 ++++++++++++++++ .../esp32/heltec_wifi_lora32/src/esp32_bringup.c | 91 +++++++++++++++ .../heltec_wifi_lora32/src/heltec_wifi_lora32.h | 115 ++++++++++++++++++ 12 files changed, 726 insertions(+), 1 deletion(-) diff --git a/arch/xtensa/src/esp32/Kconfig b/arch/xtensa/src/esp32/Kconfig index 3594aa5d27a..ca8626ab5c2 100644 --- a/arch/xtensa/src/esp32/Kconfig +++ b/arch/xtensa/src/esp32/Kconfig @@ -218,7 +218,7 @@ config ESP32_IGNORE_CHIP_REVISION_CHECK old boards are still available in the market or in some users' hand and in this case it is necessary to enable this bypass to use this boards. - WARNING: Use it only for your own board, not in a product. + WARNING: Use it only for your own board, not in a product. menu "ESP32 Peripheral Selection" diff --git a/boards/Kconfig b/boards/Kconfig index b9c76f80693..342e33160ae 100644 --- a/boards/Kconfig +++ b/boards/Kconfig @@ -272,6 +272,15 @@ config ARCH_BOARD_ESP32_DEVKITC of two CPUs is symmetric, meaning they use the same addresses to access the same memory. +config ARCH_BOARD_HELTEC_WIFI_LORA32 + bool "Heltec WiFi LoRa32" + depends on ARCH_CHIP_ESP32WROOM32 || ARCH_CHIP_ESP32WROOM32_8MB || ARCH_CHIP_ESP32WROOM32_16MB || ARCH_CHIP_ESP32WROVER || ARCH_CHIP_ESP32SOLO1 + select ARCH_HAVE_LEDS + select ARCH_HAVE_BUTTONS + select ARCH_HAVE_IRQBUTTONS if ESP32_GPIO_IRQ + ---help--- + This is a Heltec board with ESP32 and a SX1276 LoRa transceiver. + config ARCH_BOARD_TLSR8278ADK80D bool "Telink tlsr8278adk80d board" depends on ARCH_CHIP_TLSR82 @@ -3535,6 +3544,7 @@ config ARCH_BOARD default "quickfeather" if ARCH_BOARD_QUICKFEATHER default "esp32-audio-kit" if ARCH_BOARD_ESP32_AUDIO_KIT default "esp32-devkitc" if ARCH_BOARD_ESP32_DEVKITC + default "heltec_wifi_lora32" if ARCH_BOARD_HELTEC_WIFI_LORA32 default "ttgo_eink5_v2" if ARCH_BOARD_TTGO_T5V2_ESP32 default "esp32-ethernet-kit" if ARCH_BOARD_ESP32_ETHERNETKIT default "esp32-lyrat" if ARCH_BOARD_ESP32_LYRAT @@ -4884,6 +4894,9 @@ endif if ARCH_BOARD_ESP32_DEVKITC source "boards/xtensa/esp32/esp32-devkitc/Kconfig" endif +if ARCH_BOARD_HELTEC_WIFI_LORA32 +source "boards/xtensa/esp32/heltec_wifi_lora32/Kconfig" +endif if ARCH_BOARD_TTGO_T5V2_ESP32 source "boards/xtensa/esp32/ttgo_eink5_v2/Kconfig" endif diff --git a/boards/xtensa/esp32/heltec_wifi_lora32/Kconfig b/boards/xtensa/esp32/heltec_wifi_lora32/Kconfig new file mode 100644 index 00000000000..d68588dde78 --- /dev/null +++ b/boards/xtensa/esp32/heltec_wifi_lora32/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_HELTEC_WIFI_LORA32 + +endif # ARCH_BOARD_HELTEC_WIFI_LORA32 diff --git a/boards/xtensa/esp32/heltec_wifi_lora32/configs/nsh/defconfig b/boards/xtensa/esp32/heltec_wifi_lora32/configs/nsh/defconfig new file mode 100644 index 00000000000..9f1109ed0e2 --- /dev/null +++ b/boards/xtensa/esp32/heltec_wifi_lora32/configs/nsh/defconfig @@ -0,0 +1,47 @@ +# +# 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_ARCH_LEDS is not set +# CONFIG_NSH_ARGCAT is not set +# CONFIG_NSH_CMDOPT_HEXDUMP is not set +CONFIG_ARCH="xtensa" +CONFIG_ARCH_BOARD="heltec_wifi_lora32" +CONFIG_ARCH_BOARD_COMMON=y +CONFIG_ARCH_BOARD_HELTEC_WIFI_LORA32=y +CONFIG_ARCH_CHIP="esp32" +CONFIG_ARCH_CHIP_ESP32=y +CONFIG_ARCH_CHIP_ESP32WROVER=y +CONFIG_ARCH_STACKDUMP=y +CONFIG_ARCH_XTENSA=y +CONFIG_BOARD_LOOPSPERMSEC=16717 +CONFIG_BUILTIN=y +CONFIG_ESP32_IGNORE_CHIP_REVISION_CHECK=y +CONFIG_ESP32_UART0=y +CONFIG_FS_PROCFS=y +CONFIG_HAVE_CXX=y +CONFIG_HAVE_CXXINITIALIZE=y +CONFIG_IDLETHREAD_STACKSIZE=3072 +CONFIG_INIT_ENTRYPOINT="nsh_main" +CONFIG_INIT_STACKSIZE=3072 +CONFIG_INTELHEX_BINARY=y +CONFIG_LINE_MAX=64 +CONFIG_MM_REGIONS=3 +CONFIG_NSH_ARCHINIT=y +CONFIG_NSH_BUILTIN_APPS=y +CONFIG_NSH_FILEIOSIZE=512 +CONFIG_NSH_READLINE=y +CONFIG_PREALLOC_TIMERS=4 +CONFIG_RAM_SIZE=114688 +CONFIG_RAM_START=0x20000000 +CONFIG_RR_INTERVAL=200 +CONFIG_SCHED_WAITPID=y +CONFIG_START_DAY=6 +CONFIG_START_MONTH=12 +CONFIG_START_YEAR=2011 +CONFIG_SYSLOG_BUFFER=y +CONFIG_SYSTEM_NSH=y +CONFIG_UART0_SERIAL_CONSOLE=y diff --git a/boards/xtensa/esp32/heltec_wifi_lora32/include/board.h b/boards/xtensa/esp32/heltec_wifi_lora32/include/board.h new file mode 100644 index 00000000000..a1621b7f1bf --- /dev/null +++ b/boards/xtensa/esp32/heltec_wifi_lora32/include/board.h @@ -0,0 +1,58 @@ +/**************************************************************************** + * boards/xtensa/esp32/heltec_wifi_lora32/include/board.h + * + * SPDX-License-Identifier: Apache-2.0 + * + * 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_XTENSA_ESP32_HELTEC_WIFI_LORA32_INCLUDE_BOARD_H +#define __BOARDS_XTENSA_ESP32_HELTEC_WIFI_LORA32_INCLUDE_BOARD_H + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Clocking *****************************************************************/ + +/* The ESP32 Devkit board is fitted with either a 26 a 40MHz crystal */ + +#ifdef CONFIG_ESP32_XTAL_26MHz +# define BOARD_XTAL_FREQUENCY 26000000 +#else +# define BOARD_XTAL_FREQUENCY 40000000 +#endif + +#ifdef CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ +# define BOARD_CLOCK_FREQUENCY (CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ * 1000000) +#else +# define BOARD_CLOCK_FREQUENCY 80000000 +#endif + +/* LED definitions **********************************************************/ + +/* Define how many LEDs this board has (needed by userleds) */ + +#define BOARD_NLEDS 1 + +/* GPIO pins used by the GPIO Subsystem */ + +#define BOARD_NGPIOOUT 1 /* Amount of GPIO Output pins */ +#define BOARD_NGPIOIN 1 /* Amount of GPIO Input without Interruption */ +#define BOARD_NGPIOINT 1 /* Amount of GPIO Input w/ Interruption pins */ + +#endif /* __BOARDS_XTENSA_ESP32_HELTEC_WIFI_LORA32_INCLUDE_BOARD_H */ diff --git a/boards/xtensa/esp32/heltec_wifi_lora32/include/board_memorymap.h b/boards/xtensa/esp32/heltec_wifi_lora32/include/board_memorymap.h new file mode 100644 index 00000000000..e15101d8bae --- /dev/null +++ b/boards/xtensa/esp32/heltec_wifi_lora32/include/board_memorymap.h @@ -0,0 +1,130 @@ +/**************************************************************************** + * boards/xtensa/esp32/heltec_wifi_lora32/include/board_memorymap.h + * + * SPDX-License-Identifier: Apache-2.0 + * + * 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_XTENSA_ESP32_HELTEC_WIFI_LORA32_INCLUDE_BOARD_MEMORYMAP_H +#define __BOARDS_XTENSA_ESP32_HELTEC_WIFI_LORA32_INCLUDE_BOARD_MEMORYMAP_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <stdint.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Kernel ROM */ + +#define KIROM_START (uintptr_t)__kirom_start +#define KIROM_SIZE (uintptr_t)__kirom_size +#define KDROM_START (uintptr_t)__kdrom_start +#define KDROM_SIZE (uintptr_t)__kdrom_size + +/* Kernel RAM */ + +#define KIRAM_0_START (uintptr_t)__kiram_0_start +#define KIRAM_0_SIZE (uintptr_t)__kiram_0_size +#define KIRAM_0_END (uintptr_t)__kiram_0_end +#define KIRAM_1_START (uintptr_t)__kiram_1_start +#define KIRAM_1_SIZE (uintptr_t)__kiram_1_size +#define KIRAM_1_END (uintptr_t)__kiram_1_end +#define KDRAM_0_START (uintptr_t)__kdram_0_start +#define KDRAM_0_SIZE (uintptr_t)__kdram_0_size +#define KDRAM_0_END (uintptr_t)__kdram_0_end +#define KDRAM_1_START (uintptr_t)__kdram_1_start +#define KDRAM_1_SIZE (uintptr_t)__kdram_1_size +#define KDRAM_1_END (uintptr_t)__kdram_1_end + +/* Exception vectors */ + +#define VECTORS_START (uintptr_t)__vectors_start +#define VECTORS_END (uintptr_t)__vectors_end + +/* User ROM */ + +#define UIROM_START (uintptr_t)__uirom_start +#define UIROM_SIZE (uintptr_t)__uirom_size +#define UIROM_END (uintptr_t)__uirom_end +#define UDROM_START (uintptr_t)__udrom_start +#define UDROM_SIZE (uintptr_t)__udrom_size +#define UDROM_END (uintptr_t)__udrom_end + +/* User RAM */ + +#define UIRAM_START (uintptr_t)__uiram_start +#define UIRAM_SIZE (uintptr_t)__uiram_size +#define UIRAM_END (uintptr_t)__uiram_end +#define UDRAM_START (uintptr_t)__udram_start +#define UDRAM_SIZE (uintptr_t)__udram_size +#define UDRAM_END (uintptr_t)__udram_end + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/* Kernel ROM (RX) */ + +extern uint8_t __kirom_start[]; +extern uint8_t __kirom_size[]; +extern uint8_t __kdrom_start[]; +extern uint8_t __kdrom_size[]; + +/* Kernel RAM (RW) */ + +extern uint8_t __kiram_0_start[]; +extern uint8_t __kiram_0_size[]; +extern uint8_t __kiram_0_end[]; +extern uint8_t __kiram_1_start[]; +extern uint8_t __kiram_1_size[]; +extern uint8_t __kiram_1_end[]; +extern uint8_t __kdram_0_start[]; +extern uint8_t __kdram_0_size[]; +extern uint8_t __kdram_0_end[]; +extern uint8_t __kdram_1_start[]; +extern uint8_t __kdram_1_size[]; +extern uint8_t __kdram_1_end[]; + +/* Exception vectors */ + +extern uint8_t __vectors_start[]; +extern uint8_t __vectors_end[]; + +/* User ROM (RX) */ + +extern uint8_t __uirom_start[]; +extern uint8_t __uirom_size[]; +extern uint8_t __uirom_end[]; +extern uint8_t __udrom_start[]; +extern uint8_t __udrom_size[]; +extern uint8_t __udrom_end[]; + +/* User RAM (RW) */ + +extern uint8_t __uiram_start[]; +extern uint8_t __uiram_size[]; +extern uint8_t __uiram_end[]; +extern uint8_t __udram_start[]; +extern uint8_t __udram_size[]; +extern uint8_t __udram_end[]; + +#endif /* __BOARDS_XTENSA_ESP32_HELTEC_WIFI_LORA32_INCLUDE_BOARD_MEMORYMAP_H */ diff --git a/boards/xtensa/esp32/heltec_wifi_lora32/scripts/Make.defs b/boards/xtensa/esp32/heltec_wifi_lora32/scripts/Make.defs new file mode 100644 index 00000000000..e4e3a185828 --- /dev/null +++ b/boards/xtensa/esp32/heltec_wifi_lora32/scripts/Make.defs @@ -0,0 +1,51 @@ +############################################################################ +# boards/xtensa/esp32/heltec_wifi_lora32/scripts/Make.defs +# +# SPDX-License-Identifier: Apache-2.0 +# +# 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)/tools/esp32/Config.mk +include $(TOPDIR)/arch/xtensa/src/lx6/Toolchain.defs + +# Pick the linker scripts from the board level if they exist, if not +# pick the common linker scripts. + +ifeq ($(CONFIG_BUILD_PROTECTED),y) + ARCHSCRIPT += $(call FINDSCRIPT,protected_memory.ld) + ARCHSCRIPT += $(call FINDSCRIPT,kernel-space.ld) +else + ARCHSCRIPT += $(call FINDSCRIPT,flat_memory.ld) + + ifeq ($(CONFIG_ESP32_APP_FORMAT_LEGACY),y) + ARCHSCRIPT += $(call FINDSCRIPT,legacy_sections.ld) + else + ARCHSCRIPT += $(call FINDSCRIPT,esp32_sections.ld) + endif +endif + +ARCHPICFLAGS = -fpic + +CFLAGS := $(ARCHCFLAGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) +CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS) +CXXFLAGS := $(ARCHCXXFLAGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) +CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS) +CPPFLAGS := $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) +AFLAGS := $(CFLAGS) -D__ASSEMBLY__ diff --git a/boards/xtensa/esp32/heltec_wifi_lora32/src/Make.defs b/boards/xtensa/esp32/heltec_wifi_lora32/src/Make.defs new file mode 100644 index 00000000000..414b3abd72c --- /dev/null +++ b/boards/xtensa/esp32/heltec_wifi_lora32/src/Make.defs @@ -0,0 +1,32 @@ +############################################################################ +# boards/xtensa/esp32/heltec_wifi_lora32/src/Make.defs +# +# SPDX-License-Identifier: Apache-2.0 +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance with the +# License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +# +############################################################################ + +CSRCS = esp32_boot.c esp32_bringup.c + +ifeq ($(CONFIG_BOARDCTL),y) +CSRCS += esp32_appinit.c +endif + +DEPPATH += --dep-path board +VPATH += :board +CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board$(DELIM)board + diff --git a/boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_appinit.c b/boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_appinit.c new file mode 100644 index 00000000000..60deced58ef --- /dev/null +++ b/boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_appinit.c @@ -0,0 +1,82 @@ +/**************************************************************************** + * boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_appinit.c + * + * SPDX-License-Identifier: Apache-2.0 + * + * 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 <nuttx/config.h> + +#include <sys/types.h> +#include <nuttx/board.h> + +#include "heltec_wifi_lora32.h" + +#ifdef CONFIG_BOARDCTL + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * 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 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 esp32_bringup(); +#endif +} + +#endif /* CONFIG_BOARDCTL */ diff --git a/boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_boot.c b/boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_boot.c new file mode 100644 index 00000000000..7c0a6ec8163 --- /dev/null +++ b/boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_boot.c @@ -0,0 +1,98 @@ +/**************************************************************************** + * boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_boot.c + * + * SPDX-License-Identifier: Apache-2.0 + * + * 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 <nuttx/config.h> + +#include <debug.h> + +#include <nuttx/board.h> +#include <nuttx/mm/mm.h> +#include <arch/board/board.h> +#include <arch/esp32/memory_layout.h> + +#include "heltec_wifi_lora32.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: esp32_board_initialize + * + * Description: + * All ESP32 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 esp32_board_initialize(void) +{ +} + +/**************************************************************************** + * 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 */ + + esp32_bringup(); + +#ifdef CONFIG_SMP + /* To avoid corrupting the heap, this region of memory (~3KB) is not + * included until the APP CPU has started. + * So we can't add it with the rest of the regions at xtensa_add_region(), + * that function is called early from up_initialize(). We wait until the + * SMP bringup is complete. + */ + + umm_addregion((void *)HEAP_REGION_ROMAPP_START, + (size_t)(HEAP_REGION_ROMAPP_END - HEAP_REGION_ROMAPP_START)); +#endif +} +#endif diff --git a/boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_bringup.c b/boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_bringup.c new file mode 100644 index 00000000000..a8d4210ab04 --- /dev/null +++ b/boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_bringup.c @@ -0,0 +1,91 @@ +/**************************************************************************** + * boards/xtensa/esp32/heltec_wifi_lora32/src/esp32_bringup.c + * + * SPDX-License-Identifier: Apache-2.0 + * + * 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 <nuttx/config.h> + +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <sys/types.h> +#include <debug.h> +#include <errno.h> +#include <nuttx/board.h> + +#include "heltec_wifi_lora32.h" + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: esp32_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 esp32_bringup(void) +{ + int ret; + +#ifdef CONFIG_FS_PROCFS + /* Mount the procfs file system */ + + ret = nx_mount(NULL, "/proc", "procfs", 0, NULL); + if (ret < 0) + { + syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret); + } +#endif + +#ifdef CONFIG_FS_TMPFS + /* Mount the tmpfs file system */ + + ret = nx_mount(NULL, CONFIG_LIBC_TMPDIR, "tmpfs", 0, NULL); + if (ret < 0) + { + syslog(LOG_ERR, "ERROR: Failed to mount tmpfs at %s: %d\n", + CONFIG_LIBC_TMPDIR, ret); + } +#endif + + /* If we got here then perhaps not all initialization was successful, but + * at least enough succeeded to bring-up NSH with perhaps reduced + * capabilities. + */ + + UNUSED(ret); + return OK; +} diff --git a/boards/xtensa/esp32/heltec_wifi_lora32/src/heltec_wifi_lora32.h b/boards/xtensa/esp32/heltec_wifi_lora32/src/heltec_wifi_lora32.h new file mode 100644 index 00000000000..471c809d81a --- /dev/null +++ b/boards/xtensa/esp32/heltec_wifi_lora32/src/heltec_wifi_lora32.h @@ -0,0 +1,115 @@ +/**************************************************************************** + * boards/xtensa/esp32/heltec_wifi_lora32/src/heltec_wifi_lora32.h + * + * SPDX-License-Identifier: Apache-2.0 + * + * 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_XTENSA_ESP32_HELTEC_WIFI_LORA32_SRC_HELTEC_WIFI_LORA32_H +#define __BOARDS_XTENSA_ESP32_HELTEC_WIFI_LORA32_SRC_HELTEC_WIFI_LORA32_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/compiler.h> +#include <stdint.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Heltec WiFi LoRa32 GPIOs *************************************************/ + +/* BOOT Button */ + +#define BUTTON_BOOT 0 + +/* LED + * + * This is an externally connected LED used for testing. + */ + +#define GPIO_LED1 2 + +/* PCNT Quadrature Encoder IDs */ + +#define PCNT_QE0_ID 0 + +/* MCP2515 Interrupt pin */ + +#define GPIO_MCP2515_IRQ 22 + +/* TIMERS */ + +#define TIMER0 0 +#define TIMER1 1 +#define TIMER2 2 +#define TIMER3 3 + +/* ONESHOT */ + +#define ONESHOT_TIMER 1 +#define ONESHOT_RESOLUTION_US 1 + +/* RMT gpio */ + +#define RMT_RXCHANNEL 1 +#define RMT_TXCHANNEL 0 + +#ifdef CONFIG_RMT_LOOP_TEST_MODE +# define RMT_INPUT_PIN 0 +# define RMT_OUTPUT_PIN 0 +#else +# define RMT_INPUT_PIN 2 +# define RMT_OUTPUT_PIN 4 +#endif + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Name: esp32_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 via board_app_initialize() + * + ****************************************************************************/ + +int esp32_bringup(void); + +#endif /* __ASSEMBLY__ */ +#endif /* __BOARDS_XTENSA_ESP32_HELTEC_WIFI_LORA32_SRC_HELTEC_WIFI_LORA32_H */
