ref: ad1df2d2a01bd064e643287ff305673dfede3ce3
parent: f7494952a2c095450e7cb0d99c16392a355eb8f8
author: Jon Sharp <[email protected]>
date: Sun Nov 5 06:26:17 EST 2023
Import of QP/C + Zephyr project
- Imported all of the assets from the initial
work to adapt QP/C Zephyr template to the
ESP32 test board
- Import of QM models from HeyMac repo
--- /dev/null
+++ b/.gitmodules
@@ -1,0 +1,3 @@
+[submodule "qpc"]
+ path = qpc
+ url = https://github.com/QuantumLeaps/qpc.git
--- /dev/null
+++ b/CMakeLists.txt
@@ -1,0 +1,37 @@
+# QPC Zephyr application template and example
+# SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-QL-commercial
+
+cmake_minimum_required(VERSION 3.20.0)
+
+# location of the QPC Zephyr module
+# NOTE: might need to adjust for your project
+#
+set(QPC ${CMAKE_CURRENT_SOURCE_DIR}/qpc)+
+# Zephyr stuff
+set(ZEPHYR_EXTRA_MODULES ${QPC})+set(BOARD_ROOT ${CMAKE_CURRENT_SOURCE_DIR})+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})+
+# project name
+# NOTE: Adjust for your project
+#
+project(qpc-zephyr-app)
+
+# sources for your project
+# NOTE: Adjust for your project
+#
+target_sources(app PRIVATE
+ src/main.c
+ src/bsp.c
+ src/philo.c
+ src/table.c
+ src/sx127x.c
+)
+
+# option to turn QSPY software tracing ON or OFF
+# NOTE: Typically specified on command-line, e.g.:
+# west build -b <board> -- -DQSPY=ON
+#
+option(QSPY "QSPY software tracing" OFF)
+
--- /dev/null
+++ b/HeymacCsmaHsm.qm
@@ -1,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model version="5.3.0" links="0">
+ <framework name="qpc"/>
+ <package name="AOs" stereotype="0x02">
+ <class name="HeymacCsmaHsm" superclass="qpc::QActive">
+ <attribute name="tmEvnt" type="QTimeEvt" visibility="0x02" properties="0x00"/>
+ <statechart properties="0x01">
+ <initial target="../1">
+ <initial_glyph conn="28,4,5,0,4,6">
+ <action box="0,-2,10,2"/>
+ </initial_glyph>
+ </initial>
+ <state name="_initializing">
+ <tran trig="_ALWAYS" target="../../2">
+ <tran_glyph conn="22,20,3,0,10,6">
+ <action box="0,-2,10,2"/>
+ </tran_glyph>
+ </tran>
+ <state_glyph node="22,10,28,12"/>
+ </state>
+ <state name="_lurking">
+ <documentation>ex_prep()</documentation>
+ <entry brief="bcn_evt.post_in(2 * _BCN_PRD)"/>
+ <exit brief="bcn_evt.disarm()"/>
+ <tran trig="_LNK_BCN_TMOUT" target="../2">
+ <action brief="[ident]"/>
+ <tran_glyph conn="22,36,3,0,26,2">
+ <action box="0,-2,22,2"/>
+ </tran_glyph>
+ </tran>
+ <tran trig="_LNK_RXD_FROM_PHY">
+ <tran_glyph conn="22,70,3,-1,26">
+ <action box="0,-2,20,2"/>
+ </tran_glyph>
+ </tran>
+ <state name="_beaconing">
+ <entry brief="bcn_evt.post_every(_BCN_PRD)">Picks beacon slot, sets timer for next Tslot</entry>
+ <exit brief="bcn_evt.disarm()"/>
+ <tran trig="_LNK_BCN_TMOUT">
+ <action brief="_tx_bcn()"/>
+ <tran_glyph conn="24,48,3,-1,24">
+ <action box="0,-2,24,2"/>
+ </tran_glyph>
+ </tran>
+ <tran trig="_LNK_RXD_FROM_PHY">
+ <choice target="../../2">
+ <guard brief="ngbr_hears_me()"/>
+ <choice_glyph conn="46,50,4,0,4">
+ <action box="1,0,15,2"/>
+ </choice_glyph>
+ </choice>
+ <choice>
+ <choice_glyph conn="46,50,5,-1,2">
+ <action box="1,0,10,2"/>
+ </choice_glyph>
+ </choice>
+ <tran_glyph conn="24,50,3,-1,22">
+ <action box="0,-2,20,2"/>
+ </tran_glyph>
+ </tran>
+ <state name="_linking">
+ <entry brief="_tm_evt.post_every(_LNK_UPDT_PRD)"/>
+ <tran trig="_LNK_TMOUT">
+ <tran_glyph conn="26,62,3,-1,22">
+ <action box="0,-2,20,2"/>
+ </tran_glyph>
+ </tran>
+ <state_glyph node="26,54,32,10">
+ <entry box="1,2,31,2"/>
+ </state_glyph>
+ </state>
+ <state_glyph node="24,38,36,28">
+ <entry box="1,2,29,2"/>
+ <exit box="1,4,29,2"/>
+ </state_glyph>
+ </state>
+ <state_glyph node="22,26,40,46">
+ <entry box="1,2,25,2"/>
+ <exit box="1,4,25,2"/>
+ </state_glyph>
+ </state>
+ <state_diagram size="84,80"/>
+ </statechart>
+ </class>
+ </package>
+ <directory name="."/>
+</model>
--- /dev/null
+++ b/LICENSES/GPL-3.0-or-later.txt
@@ -1,0 +1,674 @@
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+
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+any implied license or other defenses to infringement that may
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+
+ 12. No Surrender of Others' Freedom.
+
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+
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+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
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+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
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+
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+
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+notice like this when it starts in an interactive mode:
+
+ <program> Copyright (C) <year> <name of author>
+ This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+ The GNU General Public License does not permit incorporating your program
+into proprietary programs. If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License. But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.
--- a/README.md
+++ b/README.md
@@ -1,4 +1,16 @@
-A HeyMac implementation for common ESP32-based LoRa boards
-====
+# HeyMac on ESP32 via QP/C + Zephyr
-Or, it will be...
+This project is an attempt to implement the HeyMac protocol/stack on commonly-
+available ESP32 + LoRa (Semtech SX127x) development boards as a self-contained
+modem firmware, suitable for interfacing with any number of systems -- modern
+or retro. This is accomplished using the QP/C framework running on top of /
+alongside the Zephyr RTOS and as a result, this project is based on the template
+provided by QuantumLeaps:
+ (Dining philosophers to be pruned from repo at some point...)
+
+[QP/C](https://github.com/QuantumLeaps/qpc)
+
+## Building:
+
+west build -b ttgo_lora32 -p always
+west flash
--- /dev/null
+++ b/SX127xHsm.qm
@@ -1,0 +1,222 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model version="5.2.5" links="0">
+ <framework name="qpc"/>
+ <package name="net.frst.heymac" stereotype="0x02">
+ <class name="SX127x" superclass="qpc::QHsm">
+ <documentation>// HSM for SX127x LoRa Phy layer</documentation>
+ <attribute name="timeEvt" type="QTimeEvt" visibility="0x02" properties="0x00"/>
+ <attribute name="actionQueue" type="QEQueue" visibility="0x00" properties="0x00"/>
+ <statechart properties="0x01">
+ <initial target="../1">
+ <action>QTimeEvt_armX(&me->timeEvt, BSP_TICKS_PER_SEC/2, BSP_TICKS_PER_SEC/2);</action>
+ <initial_glyph conn="26,6,5,0,4,6">
+ <action box="0,-2,10,2"/>
+ </initial_glyph>
+ </initial>
+ <state name="_initializing">
+ <entry brief="tmout_evt.post_in(0.0)"/>
+ <tran trig="_PHY_TMOUT">
+ <choice target="../../../2">
+ <guard brief="sx127x.open()">true</guard>
+ <choice_glyph conn="36,20,4,0,8">
+ <action box="-11,4,13,2"/>
+ </choice_glyph>
+ </choice>
+ <tran_glyph conn="20,20,3,-1,16">
+ <action box="0,-2,20,2"/>
+ </tran_glyph>
+ </tran>
+ <state_glyph node="20,12,20,10">
+ <entry box="1,2,19,2"/>
+ </state_glyph>
+ </state>
+ <state name="_scheduling">
+ <entry brief="post_in(delay)"/>
+ <tran trig="_PHY_TMOUT">
+ <choice target="../../../3">
+ <guard>true</guard>
+ <choice_glyph conn="36,40,5,3,6,-8,2">
+ <action box="1,0,10,2"/>
+ </choice_glyph>
+ </choice>
+ <choice target="../../../4/2">
+ <guard>true</guard>
+ <choice_glyph conn="36,40,4,0,6,18,8">
+ <action box="1,0,10,2"/>
+ </choice_glyph>
+ </choice>
+ <choice target="../../../4/3">
+ <guard>true</guard>
+ <choice_glyph conn="36,40,5,0,-10,14">
+ <action box="1,0,10,2"/>
+ </choice_glyph>
+ </choice>
+ <tran_glyph conn="20,36,3,-1,16,4">
+ <action box="0,-2,10,2"/>
+ </tran_glyph>
+ </tran>
+ <tran trig="_PHY_RQST">
+ <tran_glyph conn="20,38,3,-1,12">
+ <action box="0,-2,10,2"/>
+ </tran_glyph>
+ </tran>
+ <state_glyph node="20,28,20,16">
+ <entry box="1,2,18,2"/>
+ </state_glyph>
+ </state>
+ <state name="_txing">
+ <entry brief="write_opmode(TX)"/>
+ <exit brief="tmout_evt.disarm()"/>
+ <tran trig="_DIO_TX_DONE" target="../../2">
+ <tran_glyph conn="44,36,3,0,24,-10,-30,2">
+ <action box="0,-2,18,2"/>
+ </tran_glyph>
+ </tran>
+ <tran trig="_PHY_TMOUT">
+ <tran_glyph conn="44,40,3,-1,14">
+ <action box="0,-2,12,2"/>
+ </tran_glyph>
+ </tran>
+ <tran trig="_PHY_RQST">
+ <tran_glyph conn="44,38,3,-1,14">
+ <action box="0,-2,12,2"/>
+ </tran_glyph>
+ </tran>
+ <tran trig="_DIO_MODE_RDY" target="../../2">
+ <tran_glyph conn="44,42,3,0,24,-16,-30,2">
+ <action box="0,-2,16,2"/>
+ </tran_glyph>
+ </tran>
+ <state_glyph node="44,28,18,16">
+ <entry box="1,2,16,2"/>
+ <exit box="1,4,16,2"/>
+ </state_glyph>
+ </state>
+ <state name="_lingering">
+ <exit brief="write_opmode(STBY)"/>
+ <tran trig="_PHY_RQST">
+ <choice target="../../../2">
+ <guard brief="_default_action">true</guard>
+ <choice_glyph conn="34,90,5,0,34,-64,-30,2">
+ <action box="1,-2,13,2"/>
+ </choice_glyph>
+ </choice>
+ <choice>
+ <guard brief="else">// not empty</guard>
+ <action>// not empty 2</action>
+ <choice_glyph conn="34,90,4,-1,2,26">
+ <action box="1,0,10,2"/>
+ </choice_glyph>
+ </choice>
+ <tran_glyph conn="20,90,3,-1,14">
+ <action box="0,-2,12,2"/>
+ </tran_glyph>
+ </tran>
+ <tran trig="_PHY_TMOUT" target="../../2">
+ <tran_glyph conn="20,94,3,0,48,-68,-30,2">
+ <action box="0,-2,12,2"/>
+ </tran_glyph>
+ </tran>
+ <state name="_sleeping">
+ <state_glyph node="50,54,10,8"/>
+ </state>
+ <state name="_listening">
+ <entry brief="prdc_evt.post_every()"/>
+ <exit brief="prdc_evt.disarm()"/>
+ <tran trig="_DIO_VALID_HDR" target="../4">
+ <tran_glyph conn="22,66,3,0,20,2">
+ <action box="0,-2,18,2"/>
+ </tran_glyph>
+ </tran>
+ <tran trig="_PHY_PRDC">
+ <action brief="updt_noise()"/>
+ <tran_glyph conn="22,64,3,-1,20">
+ <action box="0,-2,20,2"/>
+ </tran_glyph>
+ </tran>
+ <tran trig="_DIO_RX_TMOUT" target="../../../2">
+ <tran_glyph conn="22,84,3,0,46,-58,-30,2">
+ <action box="0,-2,14,2"/>
+ </tran_glyph>
+ </tran>
+ <tran trig="_DIO_RX_DONE" target="../../../2">
+ <tran_glyph conn="22,82,3,0,46,-56,-30,2">
+ <action box="0,-2,18,2"/>
+ </tran_glyph>
+ </tran>
+ <state name="_rxing">
+ <exit brief="tmout_evt.disarm()"/>
+ <tran trig="_PHY_RQST">
+ <tran_glyph conn="24,76,3,-1,18">
+ <action box="0,-2,10,2"/>
+ </tran_glyph>
+ </tran>
+ <state_glyph node="24,68,22,10">
+ <exit box="1,2,19,2"/>
+ </state_glyph>
+ </state>
+ <state_glyph node="22,54,26,32">
+ <entry box="1,2,19,2"/>
+ <exit box="1,4,17,2"/>
+ </state_glyph>
+ </state>
+ <state_glyph node="20,48,42,50">
+ <exit box="1,2,17,2"/>
+ </state_glyph>
+ </state>
+ <state_diagram size="95,117"/>
+ </statechart>
+ </class>
+ <class name="ActionEvt" superclass="qpc::QEvt"/>
+ </package>
+ <directory name="src">
+ <file name="sx127x.c">
+ <text>#include "qpc.h"
+#include "bsp.h"
+
+Q_DEFINE_THIS_FILE
+
+enum SX127x_Signals {+ _PHY_TMOUT_SIG = Q_USER_SIG,
+ _PHY_RQST_SIG,
+ _DIO_TX_DONE_SIG,
+ _DIO_MODE_RDY_SIG,
+ _DIO_VALID_HDR_SIG,
+ _PHY_PRDC_SIG,
+ _DIO_RX_TMOUT_SIG,
+ _DIO_RX_DONE_SIG
+}
+
+/* Active object class -----------------------------------------------------*/
+
+$declare${net.frst.heymac::ActionEvt}+
+$declare${net.frst.heymac::SX127x}+
+#define LINGER_TIME \
+ (QTimeEvtCtr)((BSP_random() % BSP_TICKS_PER_SEC) + BSP_TICKS_PER_SEC)
+
+$define${net.frst.heymac::SX127x}+
+$define${net.frst.heymac::ActionEvt}</text>+ </file>
+ <file name="sx127x.h">
+ <text>#ifndef SX127X_H
+#define SX127X_H
+
+enum SX127x_Signals {+ _PHY_TMOUT_SIG = Q_USER_SIG,
+ _PHY_RQST_SIG,
+ _DIO_TX_DONE_SIG,
+ _DIO_MODE_RDY_SIG,
+ _DIO_VALID_HDR_SIG,
+ _PHY_PRDC_SIG,
+ _DIO_RX_TMOUT_SIG,
+ _DIO_RX_DONE_SIG
+}
+
+#endif</text>
+ </file>
+ <file name="main.c" properties="external"/>
+ </directory>
+</model>
binary files /dev/null b/boards/xtensa/ttgo_lora32/.ttgo_lora32-pinctrl.dtsi.swo differ
binary files /dev/null b/boards/xtensa/ttgo_lora32/.ttgo_lora32-pinctrl.dtsi.swp differ
--- /dev/null
+++ b/boards/xtensa/ttgo_lora32/CMakeLists.txt
@@ -1,0 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
+
+if(CONFIG_GPIO_ESP32)
+ zephyr_library()
+ zephyr_library_sources(board_init.c)
+endif()
--- /dev/null
+++ b/boards/xtensa/ttgo_lora32/Kconfig.board
@@ -1,0 +1,7 @@
+config BOARD_TTGO_LORA32
+ bool "TTGO LoRa32 (V1.6.1) Board"
+ depends on SOC_SERIES_ESP32
+
+choice SOC_PART_NUMBER
+ default SOC_ESP32_D0WD_V3
+endchoice
--- /dev/null
+++ b/boards/xtensa/ttgo_lora32/Kconfig.defconfig
@@ -1,0 +1,15 @@
+config BOARD
+ default "ttgo_lora32"
+ depends on BOARD_TTGO_LORA32
+
+config ENTROPY_GENERATOR
+ default y
+
+config HEAP_MEM_POOL_SIZE
+ default 98304 if WIFI
+ default 40960 if BT
+ default 4096
+
+choice BT_HCI_BUS_TYPE
+ default BT_ESP32 if BT
+endchoice
--- /dev/null
+++ b/boards/xtensa/ttgo_lora32/Kconfig.sysbuild
@@ -1,0 +1,10 @@
+# Copyright (c) 2023 Espressif Systems (Shanghai) Co., Ltd.
+# SPDX-License-Identifier: Apache-2.0
+
+choice BOOTLOADER
+ default BOOTLOADER_MCUBOOT
+endchoice
+
+choice BOOT_SIGNATURE_TYPE
+ default BOOT_SIGNATURE_TYPE_NONE
+endchoice
--- /dev/null
+++ b/boards/xtensa/ttgo_lora32/board.cmake
@@ -1,0 +1,3 @@
+# SPDX-License-Identifier: Apache-2.0
+
+include(${ZEPHYR_BASE}/boards/common/esp32.board.cmake)--- /dev/null
+++ b/boards/xtensa/ttgo_lora32/board_init.c
@@ -1,0 +1,36 @@
+/*
+ * Copyright (c) 2021 Instituto de Pesquisas Eldorado (eldorado.org.br)
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/device.h>
+#include <zephyr/drivers/gpio.h>
+#include <zephyr/init.h>
+
+#define VEXT_PIN DT_GPIO_PIN(DT_NODELABEL(vext), gpios)
+//#define OLED_RST DT_GPIO_PIN(DT_NODELABEL(oledrst), gpios)
+
+static int board_ttgo_lora32_v2_init(void)
+{+ const struct device *gpio;
+
+ gpio = DEVICE_DT_GET(DT_NODELABEL(gpio0));
+ if (!device_is_ready(gpio)) {+ return -ENODEV;
+ }
+
+ /* turns external VCC on */
+ gpio_pin_configure(gpio, VEXT_PIN, GPIO_OUTPUT);
+ gpio_pin_set_raw(gpio, VEXT_PIN, 0);
+
+ /* turns OLED on */
+ /*
+ gpio_pin_configure(gpio, OLED_RST, GPIO_OUTPUT);
+ gpio_pin_set_raw(gpio, OLED_RST, 1);
+ */
+
+ return 0;
+}
+
+SYS_INIT(board_ttgo_lora32_v2_init, PRE_KERNEL_2, CONFIG_GPIO_INIT_PRIORITY);
--- /dev/null
+++ b/boards/xtensa/ttgo_lora32/doc/index.rst
@@ -1,0 +1,208 @@
+.. _heltec_wifi_lora32_v2:
+
+Heltec WiFi LoRa 32 (V2)
+########################
+
+Overview
+********
+
+Heltec WiFi LoRa 32 is a classic IoT dev-board designed & produced by Heltec Automation(TM), it's a highly
+integrated product based on ESP32 + SX127x, it has Wi-Fi, BLE, LoRa functions, also Li-Po battery management
+system, 0.96" OLED are also included. [1]_
+
+The features include the following:
+
+- Microprocessor: ESP32 (dual-core 32-bit MCU + ULP core)
+- LoRa node chip SX1276/SX1278
+- Micro USB interface with a complete voltage regulator, ESD protection, short circuit protection,
+ RF shielding, and other protection measures
+- Onboard SH1.25-2 battery interface, integrated lithium battery management system
+- Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz
+ metal 3D antenna, reserved IPEX (U.FL) interface for LoRa use
+- Onboard 0.96-inch 128*64 dot matrix OLED display
+- Integrated CP2102 USB to serial port chip
+
+System requirements
+*******************
+
+Prerequisites
+=============
+
+Espressif HAL requires WiFi and Bluetooth binary blobs in order work. Run the command
+below to retrieve those files.
+
+.. code-block:: console
+
+ west blobs fetch hal_espressif
+
+.. note::
+
+ It is recommended running the command above after :file:`west update`.
+
+Building & Flashing
+*******************
+
+ESP-IDF bootloader
+==================
+
+The board is using the ESP-IDF bootloader as the default 2nd stage bootloader.
+It is build as a subproject at each application build. No further attention
+is expected from the user.
+
+MCUboot bootloader
+==================
+
+User may choose to use MCUboot bootloader instead. In that case the bootloader
+must be build (and flash) at least once.
+
+There are two options to be used when building an application:
+
+1. Sysbuild
+2. Manual build
+
+.. note::
+
+ User can select the MCUboot bootloader by adding the following line
+ to the board default configuration file.
+ ```
+ CONFIG_BOOTLOADER_MCUBOOT=y
+ ```
+
+Sysbuild
+========
+
+The sysbuild makes possible to build and flash all necessary images needed to
+bootstrap the board with the EPS32 SoC.
+
+To build the sample application using sysbuild use the command:
+
+.. zephyr-app-commands::
+ :tool: west
+ :app: samples/hello_world
+ :board: heltec_wifi_lora32_v2
+ :goals: build
+ :west-args: --sysbuild
+ :compact:
+
+By default, the ESP32 sysbuild creates bootloader (MCUboot) and application
+images. But it can be configured to create other kind of images.
+
+Build directory structure created by sysbuild is different from traditional
+Zephyr build. Output is structured by the domain subdirectories:
+
+.. code-block::
+
+ build/
+ ├── hello_world
+ │ └── zephyr
+ │ ├── zephyr.elf
+ │ └── zephyr.bin
+ ├── mcuboot
+ │ └── zephyr
+ │ ├── zephyr.elf
+ │ └── zephyr.bin
+ └── domains.yaml
+
+.. note::
+
+ With ``--sysbuild`` option the bootloader will be re-build and re-flash
+ every time the pristine build is used.
+
+For more information about the system build please read the :ref:`sysbuild` documentation.
+
+Manual build
+============
+
+During the development cycle, it is intended to build & flash as quickly possible.
+For that reason, images can be build one at a time using traditional build.
+
+The instructions following are relevant for both manual build and sysbuild.
+The only difference is the structure of the build directory.
+
+.. note::
+
+ Remember that bootloader (MCUboot) needs to be flash at least once.
+
+Build and flash applications as usual (see :ref:`build_an_application` and
+:ref:`application_run` for more details).
+
+.. zephyr-app-commands::
+ :zephyr-app: samples/hello_world
+ :board: heltec_wifi_lora32_v2
+ :goals: build
+
+The usual ``flash`` target will work with the ``heltec_wifi_lora32_v2`` board
+configuration. Here is an example for the :ref:`hello_world`
+application.
+
+.. zephyr-app-commands::
+ :zephyr-app: samples/hello_world
+ :board: heltec_wifi_lora32_v2
+ :goals: flash
+
+Open the serial monitor using the following command:
+
+.. code-block:: shell
+
+ west espressif monitor
+
+After the board has automatically reset and booted, you should see the following
+message in the monitor:
+
+.. code-block:: console
+
+ ***** Booting Zephyr OS vx.x.x-xxx-gxxxxxxxxxxxx *****
+ Hello World! heltec_wifi_lora32_v2
+
+Debugging
+*********
+
+As with much custom hardware, the ESP32 modules require patches to
+OpenOCD that are not upstreamed yet. Espressif maintains their own fork of
+the project. The custom OpenOCD can be obtained at `OpenOCD ESP32`_
+
+The Zephyr SDK uses a bundled version of OpenOCD by default. You can overwrite that behavior by adding the
+``-DOPENOCD=<path/to/bin/openocd> -DOPENOCD_DEFAULT_PATH=<path/to/openocd/share/openocd/scripts>``
+parameter when building.
+
+Here is an example for building the :ref:`hello_world` application.
+
+.. zephyr-app-commands::
+ :zephyr-app: samples/hello_world
+ :board: heltec_wifi_lora32_v2
+ :goals: build flash
+ :gen-args: -DOPENOCD=<path/to/bin/openocd> -DOPENOCD_DEFAULT_PATH=<path/to/openocd/share/openocd/scripts>
+
+You can debug an application in the usual way. Here is an example for the :ref:`hello_world` application.
+
+.. zephyr-app-commands::
+ :zephyr-app: samples/hello_world
+ :board: heltec_wifi_lora32_v2
+ :goals: debug
+
+Utilizing Hardware Features
+***************************
+
+Onboard OLED display
+====================
+
+The onboard OLED display is of type ``ssd1306``, has 128*64 pixels and is
+connected via I2C. It can therefore be used by enabling the
+:ref:`ssd1306_128_shield` as shown in the following for the :ref:`lvgl-sample`:
+
+.. zephyr-app-commands::
+ :zephyr-app: samples/subsys/display/lvgl
+ :board: heltec_wifi_lora32_v2
+ :shield: ssd1306_128x64
+ :goals: flash
+
+References
+**********
+
+- `Heltec WiFi LoRa (v2) Pinout Diagram <https://resource.heltec.cn/download/WiFi_LoRa_32/WIFI_LoRa_32_V2.pdf>`_
+- `Heltec WiFi LoRa (v2) Schematic Diagrams <https://resource.heltec.cn/download/WiFi_LoRa_32/V2>`_
+- `ESP32 Toolchain <https://docs.espressif.com/projects/esp-idf/en/v4.2/esp32/api-guides/tools/idf-tools.html#xtensa-esp32-elf>`_
+- `esptool documentation <https://github.com/espressif/esptool/blob/master/README.md>`_
+- `OpenOCD ESP32 <https://github.com/espressif/openocd-esp32/releases>`_
+
+.. [1] https://heltec.org/project/wifi-lora-32/
--- /dev/null
+++ b/boards/xtensa/ttgo_lora32/ttgo_lora32-pinctrl.dtsi
@@ -1,0 +1,49 @@
+/*
+ * Copyright (c) 2022 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/pinctrl/esp-pinctrl-common.h>
+#include <dt-bindings/pinctrl/esp32-pinctrl.h>
+#include <zephyr/dt-bindings/pinctrl/esp32-gpio-sigmap.h>
+
+&pinctrl {+
+ uart0_default: uart0_default {+ group1 {+ pinmux = <UART0_TX_GPIO1>;
+ output-high;
+ };
+ group2 {+ pinmux = <UART0_RX_GPIO3>;
+ bias-pull-up;
+ };
+ };
+
+ spim3_default: spim3_default {+ group1 {+ pinmux = <SPIM3_MISO_GPIO19>,
+ <SPIM3_SCLK_GPIO5>;
+ };
+ group2 {+ pinmux = <SPIM3_MOSI_GPIO27>;
+ output-low;
+ };
+ };
+
+ i2c0_default: i2c0_default {+ group1 {+ /*
+ pinmux = <I2C0_SDA_GPIO22>,
+ <I2C0_SCL_GPIO21>;
+ */
+ pinmux = <I2C0_SDA_GPIO21>,
+ <I2C0_SCL_GPIO22>;
+ bias-pull-up;
+ drive-open-drain;
+ output-high;
+ };
+ };
+
+};
--- /dev/null
+++ b/boards/xtensa/ttgo_lora32/ttgo_lora32.dts
@@ -1,0 +1,183 @@
+/*
+ * Copyright (c) 2021 Instituto de Pesquisas Eldorado (eldorado.org.br)
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+/dts-v1/;
+
+#include <espressif/esp32/esp32_pico_d4.dtsi>
+#include "ttgo_lora32-pinctrl.dtsi"
+#include <zephyr/dt-bindings/input/input-event-codes.h>
+
+/ {+ model = "ttgo_lora32";
+ compatible = "espressif,esp32";
+
+ aliases {+ uart-0 = &uart0;
+ i2c-0 = &i2c0;
+ led0 = &led0;
+ //sw0 = &button0;
+ watchdog0 = &wdt0;
+ lora0 = &lora0;
+ };
+
+ leds {+ compatible = "gpio-leds";
+ led0: led {+ gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>;
+ label = "White LED";
+ };
+
+ vext: vext {+ gpios = <&gpio0 3 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+ label = "External VCC";
+ };
+
+ /*
+ oledrst: oledrst {+ gpios = <&gpio0 16 (GPIO_PULL_UP | GPIO_ACTIVE_HIGH)>;
+ label = "OLED Reset";
+ };
+ */
+ };
+
+ /*
+ buttons {+ compatible = "gpio-keys";
+ button0: button_0 {+ gpios = <&gpio0 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+ label = "PRG Button";
+ zephyr,code = <INPUT_KEY_0>;
+ };
+ };
+ */
+
+ chosen {+ zephyr,sram = &sram0;
+ zephyr,console = &uart0;
+ zephyr,shell-uart = &uart0;
+ zephyr,flash = &flash0;
+ zephyr,display = &oled_screen;
+ };
+};
+
+&cpu0 {+ clock-frequency = <ESP32_CLK_CPU_240M>;
+};
+
+&cpu1 {+ clock-frequency = <ESP32_CLK_CPU_240M>;
+};
+
+&uart0 {+ status = "okay";
+ current-speed = <115200>;
+ pinctrl-0 = <&uart0_default>;
+ pinctrl-names = "default";
+};
+
+&gpio0 {+ status = "okay";
+};
+
+&gpio1 {+ status = "okay";
+};
+
+&trng0 {+ status = "okay";
+};
+
+&i2c0 {+ status = "okay";
+ clock-frequency = <I2C_BITRATE_FAST>;
+ sda-gpios = <&gpio0 4 GPIO_OPEN_DRAIN>;
+ scl-gpios = <&gpio0 15 GPIO_OPEN_DRAIN>;
+ pinctrl-0 = <&i2c0_default>;
+ pinctrl-names = "default";
+
+ oled_screen: ssd1306@3c {+ compatible = "solomon,ssd1306fb";
+ reg = <0x3c>;
+ width = <128>;
+ height = <64>;
+ segment-offset = <0>;
+ page-offset = <0>;
+ display-offset = <0>;
+ multiplex-ratio = <63>;
+ segment-remap;
+ com-invdir;
+ prechargep = <0x22>;
+ };
+};
+
+&spi3 {+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+ pinctrl-0 = <&spim3_default>;
+ pinctrl-names = "default";
+ cs-gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
+ lora0: sx1276@0 {+ compatible = "semtech,sx1276";
+ reg = <0>;
+ reset-gpios = <&gpio0 23 GPIO_ACTIVE_LOW>;
+ dio-gpios =
+ /* SX1276 D0 -> GPIO26 */
+ <&gpio0 26 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>,
+ /* SX1276 D1 -> GPIO35 */
+ <&gpio1 1 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>,
+ /* SX1276 D1 -> GPIO34 */
+ <&gpio0 32 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>;
+ spi-max-frequency = <1000000>;
+ power-amplifier-output = "pa-boost";
+ };
+};
+
+&flash0 {+ /* the board is using plain d0wd SoC part without the flash
+ * so any additional flash size should be defined at the board level
+ */
+ reg = <0x0 DT_SIZE_M(8)>;
+
+ status = "okay";
+ partitions {+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ /* Reserve 60kB for the bootloader */
+ boot_partition: partition@1000 {+ label = "mcuboot";
+ reg = <0x00001000 0x0000F000>;
+ read-only;
+ };
+
+ /* Reserve 1024kB for the application in slot 0 */
+ slot0_partition: partition@10000 {+ label = "image-0";
+ reg = <0x00010000 0x00100000>;
+ };
+
+ /* Reserve 1024kB for the application in slot 1 */
+ slot1_partition: partition@110000 {+ label = "image-1";
+ reg = <0x00110000 0x00100000>;
+ };
+
+ /* Reserve 256kB for the scratch partition */
+ scratch_partition: partition@210000 {+ label = "image-scratch";
+ reg = <0x00210000 0x00040000>;
+ };
+
+ storage_partition: partition@250000 {+ label = "storage";
+ reg = <0x00250000 0x00006000>;
+ };
+ };
+};
+
+/* Required by the ssd1306_128x64 shield which enables the OLED display */
+arduino_i2c: &i2c0 {};--- /dev/null
+++ b/boards/xtensa/ttgo_lora32/ttgo_lora32.yaml
@@ -1,0 +1,16 @@
+identifier: ttgo_lora32
+name: TTGO LoRa32 (V1.6.1) Board
+type: mcu
+arch: xtensa
+toolchain:
+ - zephyr
+supported:
+ - gpio
+ - i2c
+ - watchdog
+ - uart
+ - nvs
+testing:
+ ignore_tags:
+ - net
+ - bluetooth
--- /dev/null
+++ b/boards/xtensa/ttgo_lora32/ttgo_lora32_defconfig
@@ -1,0 +1,10 @@
+CONFIG_BOARD_TTGO_LORA32=y
+CONFIG_SOC_SERIES_ESP32=y
+
+CONFIG_MAIN_STACK_SIZE=2048
+
+CONFIG_CONSOLE=y
+CONFIG_SERIAL=y
+CONFIG_UART_CONSOLE=y
+
+CONFIG_GPIO=y
--- /dev/null
+++ b/dpp.qm
@@ -1,0 +1,488 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model version="5.2.5" links="1">
+ <documentation>Dining Philosopher Problem example</documentation>
+ <!--${qpc}-->+ <framework name="qpc"/>
+ <!--${Events}-->+ <package name="Events" stereotype="0x01">
+ <!--${Events::TableEvt}-->+ <class name="TableEvt" superclass="qpc::QEvt">
+ <!--${Events::TableEvt::philoNum}-->+ <attribute name="philoNum" type="uint8_t" visibility="0x00" properties="0x00"/>
+ </class>
+ </package>
+ <!--${AOs}-->+ <package name="AOs" stereotype="0x02">
+ <!--${AOs::Philo}-->+ <class name="Philo" superclass="qpc::QActive">
+ <!--${AOs::Philo::inst[N_PHILO]}-->+ <attribute name="inst[N_PHILO]" type="Philo" visibility="0x00" properties="0x01">
+ <documentation>The array of static insts of the Philo class (Singleton pattern)</documentation>
+ </attribute>
+ <!--${AOs::Philo::timeEvt}-->+ <attribute name="timeEvt" type="QTimeEvt" visibility="0x02" properties="0x00"/>
+ <!--${AOs::Philo::SM}-->+ <statechart properties="0x01">
+ <!--${AOs::Philo::SM::initial}-->+ <initial target="../1">
+ <action>static uint8_t registered = (uint8_t)0; /* starts off with 0, per C-standard */
+(void)par; /* unused parameter */
+// Here's a start:
+if (registered == (uint8_t)0) {+ registered = (uint8_t)1;
+
+ QS_OBJ_DICTIONARY(&Philo_inst[0]);
+ QS_OBJ_DICTIONARY(&Philo_inst[0].timeEvt);
+ QS_OBJ_DICTIONARY(&Philo_inst[1]);
+ QS_OBJ_DICTIONARY(&Philo_inst[1].timeEvt);
+ QS_OBJ_DICTIONARY(&Philo_inst[2]);
+ QS_OBJ_DICTIONARY(&Philo_inst[2].timeEvt);
+ QS_OBJ_DICTIONARY(&Philo_inst[3]);
+ QS_OBJ_DICTIONARY(&Philo_inst[3].timeEvt);
+ QS_OBJ_DICTIONARY(&Philo_inst[4]);
+ QS_OBJ_DICTIONARY(&Philo_inst[4].timeEvt);
+
+ QS_FUN_DICTIONARY(&Philo_initial);
+ QS_FUN_DICTIONARY(&Philo_thinking);
+ QS_FUN_DICTIONARY(&Philo_hungry);
+ QS_FUN_DICTIONARY(&Philo_eating);
+}
+QS_SIG_DICTIONARY(HUNGRY_SIG, me); /* signal for each Philos */
+QS_SIG_DICTIONARY(TIMEOUT_SIG, me); /* signal for each Philos */
+
+QActive_subscribe(&me->super, EAT_SIG);
+QActive_subscribe(&me->super, TEST_SIG);</action>
+ <initial_glyph conn="2,3,5,1,20,5,-3">
+ <action box="0,-2,6,2"/>
+ </initial_glyph>
+ </initial>
+ <!--${AOs::Philo::SM::thinking}-->+ <state name="thinking">
+ <entry>QTimeEvt_armX(&me->timeEvt, THINK_TIME, 0U);</entry>
+ <exit>QTimeEvt_disarm(&me->timeEvt);</exit>
+ <!--${AOs::Philo::SM::thinking::TIMEOUT}-->+ <tran trig="TIMEOUT" target="../../2">
+ <tran_glyph conn="2,13,3,1,20,12,-3">
+ <action box="0,-2,6,2"/>
+ </tran_glyph>
+ </tran>
+ <!--${AOs::Philo::SM::thinking::EAT, DONE}-->+ <tran trig="EAT, DONE">
+ <action>/* EAT or DONE must be for other Philos than this one */
+Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(me));</action>
+ <tran_glyph conn="2,17,3,-1,13">
+ <action box="0,-2,14,2"/>
+ </tran_glyph>
+ </tran>
+ <!--${AOs::Philo::SM::thinking::TEST}-->+ <tran trig="TEST">
+ <tran_glyph conn="2,20,3,-1,13">
+ <action box="0,-2,11,4"/>
+ </tran_glyph>
+ </tran>
+ <state_glyph node="2,5,17,16">
+ <entry box="1,2,5,2"/>
+ <exit box="1,4,6,2"/>
+ </state_glyph>
+ </state>
+ <!--${AOs::Philo::SM::hungry}-->+ <state name="hungry">
+ <entry>TableEvt *pe = Q_NEW(TableEvt, HUNGRY_SIG);
+pe->philoNum = PHILO_ID(me);
+QACTIVE_POST(AO_Table, &pe->super, me);</entry>
+ <!--${AOs::Philo::SM::hungry::EAT}-->+ <tran trig="EAT">
+ <!--${AOs::Philo::SM::hungry::EAT::[Q_EVT_CAST(TableEvt)->philoNum=~}-->+ <choice target="../../../3">
+ <guard>Q_EVT_CAST(TableEvt)->philoNum == PHILO_ID(me)</guard>
+ <choice_glyph conn="15,30,5,1,7,13,-3">
+ <action box="1,0,19,4"/>
+ </choice_glyph>
+ </choice>
+ <tran_glyph conn="2,30,3,-1,13">
+ <action box="0,-2,14,2"/>
+ </tran_glyph>
+ </tran>
+ <!--${AOs::Philo::SM::hungry::DONE}-->+ <tran trig="DONE">
+ <action>/* DONE must be for other Philos than this one */
+Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(me));</action>
+ <tran_glyph conn="2,36,3,-1,14">
+ <action box="0,-2,14,2"/>
+ </tran_glyph>
+ </tran>
+ <state_glyph node="2,23,17,16">
+ <entry box="1,2,5,2"/>
+ </state_glyph>
+ </state>
+ <!--${AOs::Philo::SM::eating}-->+ <state name="eating">
+ <entry>QTimeEvt_armX(&me->timeEvt, EAT_TIME, 0U);</entry>
+ <exit>TableEvt *pe = Q_NEW(TableEvt, DONE_SIG);
+pe->philoNum = PHILO_ID(me);
+QACTIVE_PUBLISH(&pe->super, &me->super);</exit>
+ <!--${AOs::Philo::SM::eating::TIMEOUT}-->+ <tran trig="TIMEOUT" target="../../1">
+ <tran_glyph conn="2,51,3,1,22,-41,-5">
+ <action box="0,-2,6,2"/>
+ </tran_glyph>
+ </tran>
+ <!--${AOs::Philo::SM::eating::EAT, DONE}-->+ <tran trig="EAT, DONE">
+ <action>/* EAT or DONE must be for other Philos than this one */
+Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(me));</action>
+ <tran_glyph conn="2,55,3,-1,13">
+ <action box="0,-2,14,2"/>
+ </tran_glyph>
+ </tran>
+ <state_glyph node="2,41,17,18">
+ <entry box="1,2,5,2"/>
+ <exit box="1,4,5,2"/>
+ </state_glyph>
+ </state>
+ <state_diagram size="37,61"/>
+ </statechart>
+ </class>
+ <!--${AOs::Table}-->+ <class name="Table" superclass="qpc::QActive">
+ <!--${AOs::Table::inst}-->+ <attribute name="inst" type="Table" visibility="0x00" properties="0x01">
+ <documentation>The only static inst of the Table class (Singleton pattern)</documentation>
+ </attribute>
+ <!--${AOs::Table::fork[N_PHILO]}-->+ <attribute name="fork[N_PHILO]" type="uint8_t" visibility="0x02" properties="0x00"/>
+ <!--${AOs::Table::isHungry[N_PHILO]}-->+ <attribute name="isHungry[N_PHILO]" type="uint8_t" visibility="0x02" properties="0x00"/>
+ <!--${AOs::Table::SM}-->+ <statechart properties="0x03">
+ <!--${AOs::Table::SM::initial}-->+ <initial target="../1/2">
+ <action>uint8_t n;
+(void)par; /* unused parameter */
+
+QS_OBJ_DICTIONARY(&Table_inst);
+
+QS_SIG_DICTIONARY(DONE_SIG, (void *)0); /* global signals */
+QS_SIG_DICTIONARY(EAT_SIG, (void *)0);
+QS_SIG_DICTIONARY(PAUSE_SIG, (void *)0);
+QS_SIG_DICTIONARY(SERVE_SIG, (void *)0);
+QS_SIG_DICTIONARY(TEST_SIG, (void *)0);
+
+QS_SIG_DICTIONARY(HUNGRY_SIG, me); /* signal just for Table */
+
+QActive_subscribe(&me->super, DONE_SIG);
+QActive_subscribe(&me->super, PAUSE_SIG);
+QActive_subscribe(&me->super, SERVE_SIG);
+QActive_subscribe(&me->super, TEST_SIG);
+
+for (n = 0U; n < N_PHILO; ++n) {+ me->fork[n] = FREE;
+ me->isHungry[n] = 0U;
+ BSP_displayPhilStat(n, "thinking");
+}</action>
+ <initial_glyph conn="3,3,5,1,44,18,-9">
+ <action box="0,-2,6,2"/>
+ </initial_glyph>
+ </initial>
+ <!--${AOs::Table::SM::active}-->+ <state name="active">
+ <!--${AOs::Table::SM::active::TEST}-->+ <tran trig="TEST">
+ <tran_glyph conn="2,11,3,-1,14">
+ <action box="0,-2,11,4"/>
+ </tran_glyph>
+ </tran>
+ <!--${AOs::Table::SM::active::EAT}-->+ <tran trig="EAT">
+ <action>Q_ERROR();</action>
+ <tran_glyph conn="2,15,3,-1,14">
+ <action box="0,-2,10,4"/>
+ </tran_glyph>
+ </tran>
+ <!--${AOs::Table::SM::active::serving}-->+ <state name="serving">
+ <entry brief="give pending permissions to eat">uint8_t n;
+for (n = 0U; n < N_PHILO; ++n) { /* give permissions to eat... */+ if ((me->isHungry[n] != 0U)
+ && (me->fork[LEFT(n)] == FREE)
+ && (me->fork[n] == FREE))
+ {+ TableEvt *te;
+
+ me->fork[LEFT(n)] = USED;
+ me->fork[n] = USED;
+ te = Q_NEW(TableEvt, EAT_SIG);
+ te->philoNum = n;
+ QACTIVE_PUBLISH(&te->super, &me->super);
+ me->isHungry[n] = 0U;
+ BSP_displayPhilStat(n, "eating ");
+ }
+}</entry>
+ <!--${AOs::Table::SM::active::serving::HUNGRY}-->+ <tran trig="HUNGRY">
+ <action>uint8_t n, m;
+
+n = Q_EVT_CAST(TableEvt)->philoNum;
+/* phil ID must be in range and he must be not hungry */
+Q_ASSERT((n < N_PHILO) && (me->isHungry[n] == 0U));
+
+BSP_displayPhilStat(n, "hungry ");
+m = LEFT(n);</action>
+ <!--${AOs::Table::SM::active::serving::HUNGRY::[bothfree]}-->+ <choice>
+ <guard brief="both free">(me->fork[m] == FREE) && (me->fork[n] == FREE)</guard>
+ <action>TableEvt *pe;
+me->fork[m] = USED;
+me->fork[n] = USED;
+pe = Q_NEW(TableEvt, EAT_SIG);
+pe->philoNum = n;
+QACTIVE_PUBLISH(&pe->super, &me->super);
+BSP_displayPhilStat(n, "eating ");</action>
+ <choice_glyph conn="19,26,5,-1,10">
+ <action box="1,0,10,2"/>
+ </choice_glyph>
+ </choice>
+ <!--${AOs::Table::SM::active::serving::HUNGRY::[else]}-->+ <choice>
+ <guard>else</guard>
+ <action>me->isHungry[n] = 1U;</action>
+ <choice_glyph conn="19,26,4,-1,5,10">
+ <action box="1,5,6,2"/>
+ </choice_glyph>
+ </choice>
+ <tran_glyph conn="4,26,3,-1,15">
+ <action box="0,-2,8,2"/>
+ </tran_glyph>
+ </tran>
+ <!--${AOs::Table::SM::active::serving::DONE}-->+ <tran trig="DONE">
+ <action>uint8_t n, m;
+TableEvt *pe;
+
+n = Q_EVT_CAST(TableEvt)->philoNum;
+/* phil ID must be in range and he must be not hungry */
+Q_ASSERT((n < N_PHILO) && (me->isHungry[n] == 0U));
+
+BSP_displayPhilStat(n, "thinking");
+m = LEFT(n);
+/* both forks of Phil[n] must be used */
+Q_ASSERT((me->fork[n] == USED) && (me->fork[m] == USED));
+
+me->fork[m] = FREE;
+me->fork[n] = FREE;
+m = RIGHT(n); /* check the right neighbor */
+
+if ((me->isHungry[m] != 0U) && (me->fork[m] == FREE)) {+ me->fork[n] = USED;
+ me->fork[m] = USED;
+ me->isHungry[m] = 0U;
+ pe = Q_NEW(TableEvt, EAT_SIG);
+ pe->philoNum = m;
+ QACTIVE_PUBLISH(&pe->super, &me->super);
+ BSP_displayPhilStat(m, "eating ");
+}
+m = LEFT(n); /* check the left neighbor */
+n = LEFT(m); /* left fork of the left neighbor */
+if ((me->isHungry[m] != 0U) && (me->fork[n] == FREE)) {+ me->fork[m] = USED;
+ me->fork[n] = USED;
+ me->isHungry[m] = 0U;
+ pe = Q_NEW(TableEvt, EAT_SIG);
+ pe->philoNum = m;
+ QACTIVE_PUBLISH(&pe->super, &me->super);
+ BSP_displayPhilStat(m, "eating ");
+}</action>
+ <tran_glyph conn="4,34,3,-1,15">
+ <action box="0,-2,6,2"/>
+ </tran_glyph>
+ </tran>
+ <!--${AOs::Table::SM::active::serving::EAT}-->+ <tran trig="EAT">
+ <action>Q_ERROR();</action>
+ <tran_glyph conn="4,37,3,-1,15">
+ <action box="0,-2,12,4"/>
+ </tran_glyph>
+ </tran>
+ <!--${AOs::Table::SM::active::serving::PAUSE}-->+ <tran trig="PAUSE" target="../../3">
+ <tran_glyph conn="4,41,3,1,37,6,-3">
+ <action box="0,-2,7,2"/>
+ </tran_glyph>
+ </tran>
+ <state_glyph node="4,19,34,24">
+ <entry box="1,2,27,2"/>
+ </state_glyph>
+ </state>
+ <!--${AOs::Table::SM::active::paused}-->+ <state name="paused">
+ <entry>BSP_displayPaused(1U);</entry>
+ <exit>BSP_displayPaused(0U);</exit>
+ <!--${AOs::Table::SM::active::paused::SERVE}-->+ <tran trig="SERVE" target="../../2">
+ <tran_glyph conn="4,57,3,1,39,-20,-5">
+ <action box="0,-2,7,2"/>
+ </tran_glyph>
+ </tran>
+ <!--${AOs::Table::SM::active::paused::HUNGRY}-->+ <tran trig="HUNGRY">
+ <action>uint8_t n = Q_EVT_CAST(TableEvt)->philoNum;
+/* philo ID must be in range and he must be not hungry */
+Q_ASSERT((n < N_PHILO) && (me->isHungry[n] == 0U));
+me->isHungry[n] = 1U;
+BSP_displayPhilStat(n, "hungry ");</action>
+ <tran_glyph conn="4,60,3,-1,15">
+ <action box="0,-2,6,2"/>
+ </tran_glyph>
+ </tran>
+ <!--${AOs::Table::SM::active::paused::DONE}-->+ <tran trig="DONE">
+ <action>uint8_t n, m;
+
+n = Q_EVT_CAST(TableEvt)->philoNum;
+/* phil ID must be in range and he must be not hungry */
+Q_ASSERT((n < N_PHILO) && (me->isHungry[n] == 0U));
+
+BSP_displayPhilStat(n, "thinking");
+m = LEFT(n);
+/* both forks of Phil[n] must be used */
+Q_ASSERT((me->fork[n] == USED) && (me->fork[m] == USED));
+
+me->fork[m] = FREE;
+me->fork[n] = FREE;</action>
+ <tran_glyph conn="4,63,3,-1,15">
+ <action box="0,-2,6,2"/>
+ </tran_glyph>
+ </tran>
+ <state_glyph node="4,45,34,20">
+ <entry box="1,2,18,4"/>
+ <exit box="1,6,18,4"/>
+ </state_glyph>
+ </state>
+ <state_glyph node="2,5,43,62"/>
+ </state>
+ <state_diagram size="49,69"/>
+ </statechart>
+ </class>
+ <!--${AOs::AO_Philo[N_PHILO]}-->+ <attribute name="AO_Philo[N_PHILO]" type="QActive * const" visibility="0x00" properties="0x00">
+ <code>= { /* "opaque" pointers to Philo AO */+ &Philo_inst[0].super,
+ &Philo_inst[1].super,
+ &Philo_inst[2].super,
+ &Philo_inst[3].super,
+ &Philo_inst[4].super
+};</code>
+ </attribute>
+ <!--${AOs::AO_Table}-->+ <attribute name="AO_Table" type="QActive * const" visibility="0x00" properties="0x00">
+ <code>= &Table_inst.super; /* "opaque" pointer to Table AO */</code>
+ </attribute>
+ <!--${AOs::Philo_ctor}-->+ <operation name="Philo_ctor" type="void" visibility="0x00" properties="0x00">
+ <code>uint8_t n;
+Philo *me;
+for (n = 0U; n < N_PHILO; ++n) {+ me = &Philo_inst[n];
+ QActive_ctor(&me->super, Q_STATE_CAST(&Philo_initial));
+ QTimeEvt_ctorX(&me->timeEvt, &me->super, TIMEOUT_SIG, 0U);
+}</code>
+ </operation>
+ <!--${AOs::Table_ctor}-->+ <operation name="Table_ctor" type="void" visibility="0x00" properties="0x00">
+ <code>Table *me = &Table_inst;
+uint8_t n;
+
+QActive_ctor(&me->super, Q_STATE_CAST(&Table_initial));
+
+for (n = 0U; n < N_PHILO; ++n) {+ me->fork[n] = FREE;
+ me->isHungry[n] = 0U;
+}</code>
+ </operation>
+ </package>
+ <!--${src}-->+ <directory name="src">
+ <!--${src::dpp.h}-->+ <file name="dpp.h">
+ <text>#ifndef DPP_H
+#define DPP_H
+
+enum DPPSignals {+ EAT_SIG = Q_USER_SIG, /* published by Table to let a philosopher eat */
+ DONE_SIG, /* published by Philosopher when done eating */
+ PAUSE_SIG, /* published by BSP to pause serving forks */
+ SERVE_SIG, /* published by BSP to serve re-start serving forks */
+ TEST_SIG, /* published by BSP to test the application */
+ MAX_PUB_SIG, /* the last published signal */
+
+ HUNGRY_SIG, /* posted direclty to Table from hungry Philo */
+ TIMEOUT_SIG, /* used by Philosophers for time events */
+ MAX_SIG /* the last signal */
+};
+
+$declare(Events::TableEvt)
+
+/* number of philosophers */
+#define N_PHILO ((uint8_t)5)
+
+$declare(AOs::Philo_ctor)
+$declare(AOs::AO_Philo[N_PHILO])
+
+$declare(AOs::Table_ctor)
+$declare(AOs::AO_Table)
+
+#ifdef QXK_H
+ void Test1_ctor(void);
+ extern QXThread * const XT_Test1;
+ void Test2_ctor(void);
+ extern QXThread * const XT_Test2;
+#endif /* QXK_H */
+
+#endif /* DPP_H */
+</text>
+ </file>
+ <!--${src::philo.c}-->+ <file name="philo.c">
+ <text>#include "qpc.h"
+#include "dpp.h"
+#include "bsp.h"
+
+Q_DEFINE_THIS_FILE
+
+/* Active object class -----------------------------------------------------*/
+$declare${AOs::Philo}+
+#define THINK_TIME \
+ (QTimeEvtCtr)((BSP_random() % BSP_TICKS_PER_SEC) + (BSP_TICKS_PER_SEC/2U))
+#define EAT_TIME \
+ (QTimeEvtCtr)((BSP_random() % BSP_TICKS_PER_SEC) + BSP_TICKS_PER_SEC)
+
+/* helper macro to provide the ID of Philo "me_" */
+#define PHILO_ID(me_) ((uint8_t)((me_) - &Philo_inst[0]))
+
+$define${AOs::AO_Philo[N_PHILO]}+$define${AOs::Philo_ctor}+$define${AOs::Philo}</text>+ </file>
+ <!--${src::table.c}-->+ <file name="table.c">
+ <text>#include "qpc.h"
+#include "dpp.h"
+#include "bsp.h"
+
+Q_DEFINE_THIS_FILE
+
+/* Active object class -----------------------------------------------------*/
+$declare${AOs::Table}+
+#define RIGHT(n_) ((uint8_t)(((n_) + (N_PHILO - 1U)) % N_PHILO))
+#define LEFT(n_) ((uint8_t)(((n_) + 1U) % N_PHILO))
+#define FREE ((uint8_t)0)
+#define USED ((uint8_t)1)
+
+$define${AOs::AO_Table}+$define${AOs::Table_ctor}+$define${AOs::Table}</text>+ </file>
+ </directory>
+</model>
binary files /dev/null b/img/qp-zephyr.jpg differ
--- /dev/null
+++ b/prj.conf
@@ -1,0 +1,32 @@
+# QPC Zephyr application
+# SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-QL-commercial
+
+# need the QPC Zephyr module
+CONFIG_QPC=y
+
+CONFIG_NUM_COOP_PRIORITIES=29
+CONFIG_NUM_PREEMPT_PRIORITIES=40
+CONFIG_THREAD_NAME=y
+CONFIG_REBOOT=y
+
+# for QSPY...
+CONFIG_SERIAL=y
+CONFIG_UART_INTERRUPT_DRIVEN=y
+
+# for the OLED, etc...
+CONFIG_I2C=y
+CONFIG_DISPLAY=y
+CONFIG_SSD1306=y
+CONFIG_SSD1306_DEFAULT=y
+CONFIG_SSD1306_DEFAULT_CONTRAST=128
+CONFIG_LOG=y
+
+CONFIG_CHARACTER_FRAMEBUFFER=y
+
+CONFIG_SSD1306_REVERSE_MODE=y
+
+# LoRa:
+
+CONFIG_SPI=y
+CONFIG_LORA=y
+CONFIG_LORA_SX127X=y