(r10) MecrispCubeWB5M < MecrispCube

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The !STM32WB5MM-DK Discovery Board is not as cheep as the Nucleo Board but it 
has plenty of peripherals on board: OLED display 128x64 pixel, 128-Mbit Quad-SPI NOR Flash Memory, temperature sensor, accelerometer/gyroscope sensor, Time&#8209;of&#8209;Flight and gesture&#8209;detection sensor, digital microphone, RGB LED, infrared LED, and touch sensor. 

Instant real-time programming with Forth.

Sources on [[https://github.com/spyren/Mecrisp-Cube/tree/WB5M][GitHub]] (!WB5M branch on Mecrisp-Cube)

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   * Other !STM32WB [[MecrispCubeWB#STM32WB_Development_Boards][Development Boards]]
   * [[MecrispCubeWB#Flash_Mecrisp_Cube_to_the_Target][Flash]] Mecrisp-Cube application and Stack/FUS to the target


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---+ Features

The standard [[WebHome#Already_done][Mecrisp-Cube features]] like RTOS, Filesystem, USB, etc.

   * 63 !KiB RAM dictionary 
   * 384 !KiB Flash dictionary 
   * [[MicroSdBlocks#STM32WB5MM_Discovery_Kit_SPI_S25][On board Serial Flash]] drive 0:, 1 !MiB 
   * microSD drive 1: (needs [[MicroSdBlocks#SD_Drive][external adapter]])
   * OLED display 128x64 pixel
   * RGB LED

Not supported yet:
   * temperature sensor
   * accelerometer/gyroscope sensor
   * Time-of-Flight and gesture/detection sensor
   * digital microphone
   * infrared LED
   * touch sensor

For more BSP details see BoardSupportPackageWB5M.

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---+  Getting Started

These instructions will get you a copy of the project up and running on your local 
machine (!STM32WB5MM-DK Dscovery Kit) for development and testing purposes. 

---++ Prerequisites

   * [[https://www.st.com/en/evaluation-tools/stm32wb5mm-dk.html][STM32WB5MM-DK Dscovery Kit]] with !STM32W5MMG module, !STM32WB55 MCU (Cortex ARM M4) runs at a 32 MHz (the Bluetooth stack runs on a Cortex ARM M0+ core). ST-Link debugger/programmer is integrated on board.
   * Terminal emulator application for PC, e.g.: 
      * [[http://www.putty.org/][PuTTY]] - Windows and Linux
      * [[http://en.sourceforge.jp/projects/ttssh2/][Tera Term]] - Windows
      * [[http://realterm.sourceforge.net/][Realterm]] - Windows
      * minicom, microcom, screen - Linux
      * Use the built in Eclipse console (but no LF)
 
Flash the Mecrisp-Cube [[https://github.com/spyren/Mecrisp-Cube/raw/WB5e/Release/MecrispCubeWB5M.bin][binary]] (=MecrispCubeWB5M.bin=) or the [[https://github.com/spyren/Mecrisp-Cube/raw/WB5M/sdcard/boot/MecrispCubeWB5MUtil.bin][util-binary]] (=MecrispCubeWB5MUtil.bin=) to the Discovery Board.

   1. Connect the Discovery Board USB ST-LINK to the PC
   2. Copy the binary (=MecrispCubeWB5M.bin= or =MecrispCubeWB5MUtil.bin=) to the USB mass storage DIS_WB5MMG  

Start the terminal emulator application on the PC. 
Check for the serial communication port (e.g. for Linux =/dev/ttyACM0=).
I set the putty terminal configuration to 

   * Implicit CR in every LF 
   * Local echo: Auto
   * Local line editing: Auto
   * Keyboard Backspace: Control-H
   * Keyboard Function: Keys VT100
   * Remote character set: CP850

<pre>
Mecrisp-Stellaris RA 2.5.4 by Matthias Koch.

Mecrisp-Cube 1.4.5 for STM32WB Discovery, 63/384 KiB RAM/FLASH dictionary (C) 2022 peter@spyr.ch
  * Firmware Package STM32Cube FW_WB V1.11.0, USB-CDC, BLE Stack 5.3 (C) 2022 STMicroelectronics
  * CMSIS-RTOS V2 FreeRTOS wrapper, FreeRTOS Kernel V10.3.1 (C) 2020 Amazon.com
  * FatFs for internal flash and microSD - Generic FAT fs module  R0.12c (C) 2017 ChaN
  * tiny vi - part of BusyBox (C) 2000, 2001 Sterling Huxley

include 0:/etc/rc.local
<b>23 5 / .[CR]</b> 4  ok.
<b>: hello ." World" ;[CR]</b>  ok.
<b>hello[CR]</b> World ok.
</pre>

---++ Special Functions on Startup 
[[TerminalIO#USB_CDC_Serial_Communication_API][USB-CDC]] is the default console.
   $ *Button 1*: [[TerminalIO#BLE_Cable_Replacement_Serial_Com][CRS]] (Bluetooth Cable Replacement Service) is standard console
   $ *Button 2*: [[TerminalIO#UART_Serial_Communication_API][UART]] is standard console

---++ RGB LED as Status Indicator
The RGB LED  displays the status
   $ *dimmed Green*: USB enumeration successfull
   $ *dimmed Blue*: BLE connected
   $ *flashing Red*: "disk" (serial flash or SD) write operation
   $ *flashing Yellow*: "disk" (serial flash or SD) read operation


---++ Additional Tools and Local Filesystem
Populate a microSD with the contents of [[https://github.com/spyren/Mecrisp-Cube/tree/WB5M/sdcard][sdcard]]. Put the microSD into the uSD Card slot and reset or power cycle the board.

The directory should look like this:
<pre>
<b>ls -l 1:[CR]</b>
drw-         0 2021-04-18T18:12:38 boot
drw-         0 2021-03-21T18:47:52 etc
drw-         0 2021-03-21T18:47:54 fsr
drw-         0 2021-03-21T18:47:54 home
drw-         0 2021-03-21T18:47:56 man
-rwa      7219 2021-01-08T19:42:36 README.md
ok.
</pre>

You can use the local CLI commands like =mkfs=, =mkdir= and =cp= to create a filesystem on the serial flash and fill it with files and folders. But this is tedious job because I haven't yet implemented a recursive copy for !MecrispCube. But there is prepared disk image 
(for details see MicroSdBlocks#Serial_Flash) on microSD and the tool =dd=. You can copy the disk image to the drive 0: (this takes about 8 Minutes):
<pre>
<b>dd 1:/boot/fd-1MiB.img 0:[CR]</b>
 ok.
<b>mount 0:[CR]</b>
 ok.
<b>ls 0:[CR]</b>
man                     fsr                     README.md               boot
etc                     home
 ok.
</pre>

The Mecrisp have some tools bundled in its distribution e.g. assembler, disassembler, dump, float. I put those tools and some more into the folder =/fsr=. With the "init.fs script" I compile my favorite ones into the flash directory (if you use the [[https://github.com/spyren/Mecrisp-Cube/raw/WB5M/sdcard/boot/MecrispCubeWB5MUtil.bin][util-binary]] binary, these tools are already compiled in):
<pre>
<b>compiletoflash[CR]</b>  ok.
<b>include /etc/init.fs[CR]</b>
init.fs Loading started
RAM Dictionary: 392991 KiB
utils.fs loading ...
conditional.fs loading ...
dump.fs loading ...
disassembler-m3.fs loading ...
float.fs loading ...
threads.fs loading ...
RAM Dictionary: 392981 KiB
init.fs finished  ok.
</pre>

For example, the word disassember is available now:
<pre>
<b>see dump[CR]</b>
080405F0: B500  push { lr }
080405F2: F7C2  bl  08002A3E  --> cr
080405F4: FA24
080405F6: CF08  ldmia r7 { r3 }
080405F8: F013  ands r2 r3 #F
080405FA: 020F
080405FC: F847  str r3 [ r7 #-4 ]!
080405FE: 3D04
08040600: 2A00  cmp r2 #0
08040602: D000  beq 08040606
08040604: 3610  adds r6 #10
08040606: CF08  ldmia r7 { r3 }
08040608: F847  str r6 [ r7 #-4 ]!
</pre>

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---+ Installing Development Environment

A step by step series of examples that tell you how to get a development env running

Install the IDE [[https://www.st.com/en/development-tools/stm32cubeide.html][STM32CubeIDE]], 
it is Eclipse and GCC based. 
[[https://www.st.com/en/development-tools/stm32cubemx.html][STM32CubeMX]]
is included in the IDE, you need a stand alone installation only if 
you do not want to use the !STM32CubeIDE.  

Get the sources from github:

<pre>
psi@homer:~> <b>git clone --branch WB5M https://github.com/spyren/Mecrisp-Cube</b>
Klone nach 'Mecrisp-Cube' ...
remote: Enumerating objects: 1157, done.
remote: Counting objects: 100% (1157/1157), done.
remote: Compressing objects: 100% (620/620), done.
remote: Total 3183 (delta 720), reused 934 (delta 525), pack-reused 2026
Empfange Objekte: 100% (3183/3183), 41.60 MiB | 6.96 MiB/s, Fertig.
Löse Unterschiede auf: 100% (2100/2100), Fertig.
</pre>

Import the project into the IDE:

<pre>
File -> Import -> General -> Existing Projects into Workspace -> Select root directory
Copy project into workspace
Browse to Mecrisp-Cube directory
</pre>

Generate code from the !STM32CubeMX =MecrispCubeWB5M.ioc= file:
<pre>
Project -> Generate Code 
</pre>

Restore changed source files
<pre>
$ git status
{list of changed files}
$ git restore {files to restore} 
</pre>


Select the Build Configuration (Debug if you want to debug the project) and Build the project:
<pre>
Project -> Build Configurations -> Set Active -> Debug/Release 
Project -> Build Project
</pre>


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-- %USERSIG{PeterSchmid - 2021-07-01}%

<a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work by <a xmlns:cc="http://creativecommons.org/ns#" href="http://spyr.ch" property="cc:attributionName" rel="cc:attributionURL">Peter Schmid</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.
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Topic revision: r10 - 2022-10-10 - PeterSchmid