============= Génération de ce projet, T.Rocacher =========================================== Le projet est basé sur CubeF1/STM32Cube_FW_F1_V1.8.0/Projects/STM32F103RB-Nucleo/Templates_LL La seconde partie de ce readme est l'original qu'on peut trouver dans /Templates_LL

NB: curieusement ds le main, la fonction void SystemClock_Config(void) est différente des exemples LL. Elle est donc modifiée pour coller à tout les exemples LL, en particulier, elle utilise la lib utils.

Cette partie du readme explique les modifications apportées à Templates_LL

*********************** LES MODIFICATIONS ************************************************

############# Structuration du projet, du répertoire (modif par rapport au template ########

La philosophie générale est de partir du template et de sortir du projet tout ce qui n'est pas utile en terme de lib LL. On a tout de même besoin de RCC et de utils (les deux pour la clock conf) Chaque projet est donc "self contained" et contient les lib LL dont il a besoin.

Structure physique des répertoire /Inc (h "systeme") /src (main et system_stm32f1xx.c = systeminit au boot startup) /LLDrivers : src et inc des drivers LL utiles, ici rcc et utils /MDK-ARM : le projet KEIL /Services: vide pour l'instant...

Structure de groupes de KEIL en deux grandes parties : Partie sources user /User Applications /User Services /MyDriver les drivers à faire à la main ... /Drivers/STM32f1xx_LL_Driver /Doc

Partie système /Drivers/CMSIS (l'init system depuis boot) /Example/MDK-ARM contient le startup

La récupération des IT

La philosophie LL est de récupérer les IT dans un fichier spécifique stm32f1xx_it.c. Il est supprimé de manière à ce que les handlers soient placés dans les divers modules que les étudiants construiront.

Divers main

main.h enlevé Remarque ligne 72 LL_RCC_HSE_EnableBypass();, si on devait travailler sur MCBSTM32, il faudrait commenter la ligne Ligne 108 commentée, il s'agit de l'activation systick inutile mais qui active les IT non récupérée ... donc otée

/** @page Templates_LL Description of the Templates_LL example

@verbatim ******************** (C) COPYRIGHT 2017 STMicroelectronics *******************

• @file Templates_LL/readme.txt
• @author MCD Application Team
• @brief Description of the Templates_LL example.

---

• @attention

• © Copyright (c) 2017 STMicroelectronics.

• All rights reserved.
• This software component is licensed by ST under BSD 3-Clause license,
• the "License"; You may not use this file except in compliance with the
• License. You may obtain a copy of the License at:

•                    opensource.org/licenses/BSD-3-Clause
  

---

@endverbatim

@par Example Description

This projects provides a reference template through the LL API that can be used to build any firmware application.

This project LL template provides:

• Inclusion of all LL drivers (include files in "main.h" and LL sources files in IDE environment, with option "USE_FULL_LL_DRIVER" in IDE environment) Note: If optimization is needed afterwards, user can perform a cleanup by removing unused drivers.
• Definition of LEDs and user button (file: main.h) Note: User button name printed on board may differ from naming "user button" in code: "key button", ...
• Clock configuration (file: main.c)

This project LL template does not provide:

• Functions to initialize and control LED and user button
• Functions to manage IRQ handler of user button

To port a LL example to the targeted board:

1. Select the LL example to port. To find the board on which LL examples are deployed, refer to LL examples list in "STM32CubeProjectsList.html", table section "Examples_LL" or AN4724: STM32Cube firmware examples for STM32F1 Series

2. Replace source files of the LL template by the ones of the LL example, except code specific to board. Note: Code specific to board is specified between tags: /* ============== BOARD SPECIFIC CONFIGURATION CODE BEGIN ============== / / ============== BOARD SPECIFIC CONFIGURATION CODE END ============== */

   • Replace file main.h, with updates:

     • Keep LED and user button definition of the LL template under tags

   • Replace file main.c, with updates:

     • Keep clock configuration of the LL template: function "SystemClock_Config()"
     • Depending of LED availability, replace LEDx_PIN by another LEDx (number) available in file main.h

   • Replace file stm32f1xx_it.h

   • Replace file stm32f1xx_it.c

@par Keywords

Reference, Templates_LL

@par Directory contents

• Templates_LL/Inc/stm32f1xx_it.h Interrupt handlers header file
• Templates_LL/Inc/main.h Header for main.c module
• Templates_LL/Inc/stm32_assert.h Template file to include assert_failed function
• Templates_LL/Src/stm32f1xx_it.c Interrupt handlers
• Templates_LL/Src/main.c Main program
• Templates_LL/Src/system_stm32f1xx.c STM32f1x system source file

@par Hardware and Software environment

• This template runs on STM32F103xB devices.

• This template has been tested with STM32F103RB-Nucleo RevC board and can be easily tailored to any other supported device and development board.

@par How to use it ?

In order to make the program work, you must do the following :

• Open your preferred toolchain
• Rebuild all files and load your image into target memory
• Run the example

• © COPYRIGHT STMicroelectronics

*/