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-rw-r--r--Core/Inc/button.h21
-rw-r--r--Core/Inc/gpio.h49
-rw-r--r--Core/Inc/lcd_1602.h28
-rw-r--r--Core/Inc/led.h18
-rw-r--r--Core/Inc/main.h97
-rw-r--r--Core/Inc/simon.h111
-rw-r--r--Core/Inc/stm32l0xx_hal_conf.h330
-rw-r--r--Core/Inc/stm32l0xx_it.h65
-rw-r--r--Core/Inc/usart.h52
-rw-r--r--Core/Src/button.c33
-rw-r--r--Core/Src/gpio.c87
-rw-r--r--Core/Src/lcd_1602.c78
-rw-r--r--Core/Src/led.c44
-rw-r--r--Core/Src/main.c249
-rw-r--r--Core/Src/stm32l0xx_hal_msp.c84
-rw-r--r--Core/Src/stm32l0xx_it.c147
-rw-r--r--Core/Src/syscalls.c207
-rw-r--r--Core/Src/system_stm32l0xx.c275
-rw-r--r--Core/Src/usart.c108
-rw-r--r--README.ms23
-rw-r--r--ressources_projet_elec/docs_STM32/HAL_LL_Drivers.pdf (renamed from ressources_projet_elec/docs_STM32.rar)bin23523225 -> 33482696 bytes
-rw-r--r--ressources_projet_elec/docs_STM32/HAL_LL_Drivers.zipbin9182070 -> 0 bytes
-rw-r--r--ressources_projet_elec/docs_STM32/STM32L053xx_Reference.zipbin4772360 -> 0 bytes
23 files changed, 2105 insertions, 1 deletions
diff --git a/Core/Inc/button.h b/Core/Inc/button.h
new file mode 100644
index 0000000..fff10b7
--- /dev/null
+++ b/Core/Inc/button.h
@@ -0,0 +1,21 @@
+/*
+ * button.h
+ *
+ * Created on: 2 déc. 2020
+ * Author: root
+ */
+
+#ifndef INC_BUTTON_H_
+#define INC_BUTTON_H_
+
+#include "stm32l053xx.h"
+
+typedef struct
+{
+GPIO_TypeDef * gpioPort;
+uint8_t pin;
+uint8_t pull;
+
+}BUTTON_TypeDef;
+
+#endif /* INC_BUTTON_H_ */
diff --git a/Core/Inc/gpio.h b/Core/Inc/gpio.h
new file mode 100644
index 0000000..5dd191b
--- /dev/null
+++ b/Core/Inc/gpio.h
@@ -0,0 +1,49 @@
+/**
+ ******************************************************************************
+ * @file gpio.h
+ * @brief This file contains all the function prototypes for
+ * the gpio.c file
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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
+ *
+ ******************************************************************************
+ */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __GPIO_H__
+#define __GPIO_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_GPIO_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /*__ GPIO_H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Core/Inc/lcd_1602.h b/Core/Inc/lcd_1602.h
new file mode 100644
index 0000000..5df49f3
--- /dev/null
+++ b/Core/Inc/lcd_1602.h
@@ -0,0 +1,28 @@
+#ifndef __LCD_1602_H
+#define __LCD_1602_H
+#include "stm32l053xx.h"
+#include "main.h"
+
+#define rs(x) x?HAL_GPIO_WritePin(RS_GPIO_Port,RS_Pin,GPIO_PIN_SET):HAL_GPIO_WritePin(RS_GPIO_Port,RS_Pin,GPIO_PIN_RESET)
+#define rw(x) x?HAL_GPIO_WritePin(RW_GPIO_Port,RW_Pin,GPIO_PIN_SET):HAL_GPIO_WritePin(RW_GPIO_Port,RW_Pin,GPIO_PIN_RESET)
+#define en(x) x?HAL_GPIO_WritePin(E_GPIO_Port,E_Pin,GPIO_PIN_SET):HAL_GPIO_WritePin(E_GPIO_Port,E_Pin,GPIO_PIN_RESET)
+
+#define d4(x) x?HAL_GPIO_WritePin(D4_GPIO_Port,D4_Pin,GPIO_PIN_SET):HAL_GPIO_WritePin(D4_GPIO_Port,D4_Pin,GPIO_PIN_RESET)
+#define d5(x) x?HAL_GPIO_WritePin(D5_GPIO_Port,D5_Pin,GPIO_PIN_SET):HAL_GPIO_WritePin(D5_GPIO_Port,D5_Pin,GPIO_PIN_RESET)
+#define d6(x) x?HAL_GPIO_WritePin(D6_GPIO_Port,D6_Pin,GPIO_PIN_SET):HAL_GPIO_WritePin(D6_GPIO_Port,D6_Pin,GPIO_PIN_RESET)
+#define d7(x) x?HAL_GPIO_WritePin(D7_GPIO_Port,D7_Pin,GPIO_PIN_SET):HAL_GPIO_WritePin(D7_GPIO_Port,D7_Pin,GPIO_PIN_RESET)
+
+//#define bl(x) x?HAL_GPIO_WritePin(BL_GPIO_Port,BL_Pin,GPIO_PIN_SET):HAL_GPIO_WritePin(BL_GPIO_Port,BL_Pin,GPIO_PIN_RESET)
+
+static void lcd_send_4bit(uint8_t data);
+static void lcd_send(int8_t rs,uint8_t data);
+void lcd_cmd(uint8_t command);
+void lcd_data(char c);
+void lcd_init(void);
+void lcd_clr(void);
+void lcd_test(void);
+void lcd_displayOff(void);
+void lcd_gotoxy(char x, char y);
+void lcd_puts(char *text);
+
+#endif
diff --git a/Core/Inc/led.h b/Core/Inc/led.h
new file mode 100644
index 0000000..50c9084
--- /dev/null
+++ b/Core/Inc/led.h
@@ -0,0 +1,18 @@
+/*
+ * led.h
+ *
+ * Created on: 2 déc. 2020
+ * Author: root
+ */
+
+#ifndef INC_LED_H_
+#define INC_LED_H_
+
+#include "stm32l053xx.h"
+typedef struct
+{
+GPIO_TypeDef * gpioPort;
+uint16_t pin;
+}LED_TypeDef;
+
+#endif /* INC_LED_H_ */
diff --git a/Core/Inc/main.h b/Core/Inc/main.h
new file mode 100644
index 0000000..11c7476
--- /dev/null
+++ b/Core/Inc/main.h
@@ -0,0 +1,97 @@
+/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file : main.h
+ * @brief : Header for main.c file.
+ * This file contains the common defines of the application.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __MAIN_H
+#define __MAIN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l0xx_hal.h"
+
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* Exported types ------------------------------------------------------------*/
+/* USER CODE BEGIN ET */
+
+/* USER CODE END ET */
+
+/* Exported constants --------------------------------------------------------*/
+/* USER CODE BEGIN EC */
+
+/* USER CODE END EC */
+
+/* Exported macro ------------------------------------------------------------*/
+/* USER CODE BEGIN EM */
+
+/* USER CODE END EM */
+
+/* Exported functions prototypes ---------------------------------------------*/
+void Error_Handler(void);
+
+/* USER CODE BEGIN EFP */
+
+/* USER CODE END EFP */
+
+/* Private defines -----------------------------------------------------------*/
+#define B1_Pin GPIO_PIN_13
+#define B1_GPIO_Port GPIOC
+#define USART_TX_Pin GPIO_PIN_2
+#define USART_TX_GPIO_Port GPIOA
+#define USART_RX_Pin GPIO_PIN_3
+#define USART_RX_GPIO_Port GPIOA
+#define LD2_Pin GPIO_PIN_5
+#define LD2_GPIO_Port GPIOA
+#define RS_Pin GPIO_PIN_0
+#define RS_GPIO_Port GPIOB
+#define RW_Pin GPIO_PIN_1
+#define RW_GPIO_Port GPIOB
+#define E_Pin GPIO_PIN_2
+#define E_GPIO_Port GPIOB
+#define TMS_Pin GPIO_PIN_13
+#define TMS_GPIO_Port GPIOA
+#define TCK_Pin GPIO_PIN_14
+#define TCK_GPIO_Port GPIOA
+#define D4_Pin GPIO_PIN_4
+#define D4_GPIO_Port GPIOB
+#define D5_Pin GPIO_PIN_5
+#define D5_GPIO_Port GPIOB
+#define D6_Pin GPIO_PIN_6
+#define D6_GPIO_Port GPIOB
+#define D7_Pin GPIO_PIN_7
+#define D7_GPIO_Port GPIOB
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MAIN_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Core/Inc/simon.h b/Core/Inc/simon.h
new file mode 100644
index 0000000..01bcf6f
--- /dev/null
+++ b/Core/Inc/simon.h
@@ -0,0 +1,111 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+#include <string.h>
+
+void fonction_led(char* couleur, int position) { //correspondance LEDs
+ if (position==0){
+ printf("( () () () )\n"); //eteind
+ } else if (strcmp(couleur,"R")==0){ //rouge
+ printf("( (R) () () )\n"); //allume (envoie la commande sur le pin correspondant)
+ } else if (strcmp(couleur,"V")==0){ //vert
+ printf("( () (V) () )\n"); //allume (envoie la commande sur le pin correspondant)
+ } else if (strcmp(couleur,"J")==0){ //jaune
+ printf("( () () (J) )\n"); //allume (envoie la commande sur le pin correspondant)
+ }
+}
+
+void affiche_lcd(char* contenu) { //correspondance LCD
+ printf ("[LCD : %s]\n", contenu); //afichage sur l'ecran LCD
+}
+
+char* choix_aleatoire(void) {
+ char* couleur_leds[3]={"R","V","J"}; //nos couleurs de led
+ srand(time(0));
+ int aleatoire = (rand() % (2 - 0 + 1)) + 0; //choix entre 0 et 2 pour avoir 3 valeurs differentes (3 couleurs/leds)
+ char* choix = couleur_leds[aleatoire];
+ return choix;
+}
+
+
+int simon(void) {
+ affiche_lcd("SIMON_STM32");
+
+ int etat_bouton_deux_joueurs = 1; //faire une correspondance au quatrieme bouton
+
+ int score = 0; //ne pas toucher
+ int deuxieme_joueur_joue = 0; //ne pas toucher
+ int score_un=0; //ne pas toucher
+ int score_deux=0; //ne pas toucher
+ char* suite_de_leds[100]={}; //ne pas toucher
+
+ while (1) { //le programme tourne en continue
+
+ int etat_bouton_start = 1; //correspondance bouton bleu
+ int perdu = 0; //ne pas toucher
+ if (etat_bouton_start){
+ affiche_lcd("LET'S GO !");
+ if (etat_bouton_deux_joueurs && !deuxieme_joueur_joue){ //lancement du mode 2J
+ affiche_lcd("MODE 2J");
+ affiche_lcd("J1!");
+ }
+ else if (!etat_bouton_deux_joueurs && !deuxieme_joueur_joue) { //lancement du mode 1J
+ affiche_lcd("MODE 1J");
+ }
+ while (perdu!= 1) { //ici on lance un niveau, tant qu'on a pas perdu
+
+ suite_de_leds[score] = choix_aleatoire();
+ score++;
+ for (int i = 0; i<score; i++){ //allume et eteinds les leds une par une par rapport au niveau
+ fonction_led(suite_de_leds[i], 1); //on
+ fonction_led(suite_de_leds[i], 0); //off
+ sleep(1); //petite attente (1s) pour ne pas avoir toute les leds qui s'allume en meme temps
+ }
+
+ affiche_lcd("A VOUS !");
+ int iLed=0;
+ do { //le joueur appuie sur les boutons
+ char bouton[100];
+ scanf("%s", bouton); //correspondance
+ char* bouton_couleur = bouton; //boutons poussoirs
+
+ if (*bouton_couleur!=*suite_de_leds[iLed]){ //le joueur se trompe
+ affiche_lcd("GAME OVER !");
+ affiche_lcd("SCORE :");
+
+ char score_char[10];
+ sprintf(score_char, "%d", score-1); //rendre un int en char
+
+ affiche_lcd(score_char);
+ perdu = 1;
+ etat_bouton_start=0;
+ } else {
+ perdu = 0; //possiblement enlevable
+ }
+ iLed++;
+ } while (iLed<score && perdu!=1);
+ //tant qu'on a des leds a faire allume et qu'on a pas perdu
+ }
+
+ if (etat_bouton_deux_joueurs && perdu==1 && !deuxieme_joueur_joue){ //si le premier joueur perd en mode 2J
+ affiche_lcd("J2!");
+ etat_bouton_deux_joueurs = 0;
+ perdu = 0;
+ etat_bouton_start=1;
+ score_un = score;
+ deuxieme_joueur_joue = 1;
+ } else if (deuxieme_joueur_joue){ //si tout le monde a joue en mode 2 joueurs, on fait la comparaison des scores
+ score_deux = score;
+ if (score_un>score_deux){affiche_lcd("JOUEUR 1 GAGNE!");}
+ else if (score_un<score_deux){affiche_lcd("JOUEUR 2 GAGNE!");}
+ else {affiche_lcd("EGALITE...");}
+ }
+
+ }
+ score=0;
+
+ }
+
+ return 0;
+}
diff --git a/Core/Inc/stm32l0xx_hal_conf.h b/Core/Inc/stm32l0xx_hal_conf.h
new file mode 100644
index 0000000..5252f0f
--- /dev/null
+++ b/Core/Inc/stm32l0xx_hal_conf.h
@@ -0,0 +1,330 @@
+/**
+ ******************************************************************************
+ * @file stm32l0xx_hal_conf.h
+ * @author MCD Application Team
+ * @brief HAL configuration template file.
+ * This file should be copied to the application folder and renamed
+ * to stm32l0xx_hal_conf.h.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L0xx_HAL_CONF_H
+#define __STM32L0xx_HAL_CONF_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/* ########################## Module Selection ############################## */
+/**
+ * @brief This is the list of modules to be used in the HAL driver
+ */
+
+#define HAL_MODULE_ENABLED
+ /*#define HAL_ADC_MODULE_ENABLED */
+/*#define HAL_CRYP_MODULE_ENABLED */
+/*#define HAL_COMP_MODULE_ENABLED */
+/*#define HAL_CRC_MODULE_ENABLED */
+/*#define HAL_CRYP_MODULE_ENABLED */
+/*#define HAL_DAC_MODULE_ENABLED */
+/*#define HAL_FIREWALL_MODULE_ENABLED */
+/*#define HAL_I2S_MODULE_ENABLED */
+/*#define HAL_IWDG_MODULE_ENABLED */
+/*#define HAL_LCD_MODULE_ENABLED */
+/*#define HAL_LPTIM_MODULE_ENABLED */
+/*#define HAL_RNG_MODULE_ENABLED */
+/*#define HAL_RTC_MODULE_ENABLED */
+/*#define HAL_SPI_MODULE_ENABLED */
+/*#define HAL_TIM_MODULE_ENABLED */
+/*#define HAL_TSC_MODULE_ENABLED */
+#define HAL_UART_MODULE_ENABLED
+/*#define HAL_USART_MODULE_ENABLED */
+/*#define HAL_IRDA_MODULE_ENABLED */
+/*#define HAL_SMARTCARD_MODULE_ENABLED */
+/*#define HAL_SMBUS_MODULE_ENABLED */
+/*#define HAL_WWDG_MODULE_ENABLED */
+/*#define HAL_PCD_MODULE_ENABLED */
+#define HAL_GPIO_MODULE_ENABLED
+#define HAL_EXTI_MODULE_ENABLED
+#define HAL_DMA_MODULE_ENABLED
+#define HAL_I2C_MODULE_ENABLED
+#define HAL_RCC_MODULE_ENABLED
+#define HAL_FLASH_MODULE_ENABLED
+#define HAL_PWR_MODULE_ENABLED
+#define HAL_CORTEX_MODULE_ENABLED
+
+/* ########################## Oscillator Values adaptation ####################*/
+/**
+ * @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
+ * This value is used by the RCC HAL module to compute the system frequency
+ * (when HSE is used as system clock source, directly or through the PLL).
+ */
+#if !defined (HSE_VALUE)
+ #define HSE_VALUE ((uint32_t)8000000U) /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined (HSE_STARTUP_TIMEOUT)
+ #define HSE_STARTUP_TIMEOUT ((uint32_t)100U) /*!< Time out for HSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+ * @brief Internal Multiple Speed oscillator (MSI) default value.
+ * This value is the default MSI range value after Reset.
+ */
+#if !defined (MSI_VALUE)
+ #define MSI_VALUE ((uint32_t)2097000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* MSI_VALUE */
+
+/**
+ * @brief Internal High Speed oscillator (HSI) value.
+ * This value is used by the RCC HAL module to compute the system frequency
+ * (when HSI is used as system clock source, directly or through the PLL).
+ */
+#if !defined (HSI_VALUE)
+ #define HSI_VALUE ((uint32_t)16000000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+/**
+ * @brief Internal High Speed oscillator for USB (HSI48) value.
+ */
+#if !defined (HSI48_VALUE)
+#define HSI48_VALUE ((uint32_t)48000000U) /*!< Value of the Internal High Speed oscillator for USB in Hz.
+ The real value may vary depending on the variations
+ in voltage and temperature. */
+#endif /* HSI48_VALUE */
+
+/**
+ * @brief Internal Low Speed oscillator (LSI) value.
+ */
+#if !defined (LSI_VALUE)
+ #define LSI_VALUE ((uint32_t)37000U) /*!< LSI Typical Value in Hz*/
+#endif /* LSI_VALUE */ /*!< Value of the Internal Low Speed oscillator in Hz
+ The real value may vary depending on the variations
+ in voltage and temperature.*/
+/**
+ * @brief External Low Speed oscillator (LSE) value.
+ * This value is used by the UART, RTC HAL module to compute the system frequency
+ */
+#if !defined (LSE_VALUE)
+ #define LSE_VALUE ((uint32_t)32768U) /*!< Value of the External oscillator in Hz*/
+#endif /* LSE_VALUE */
+
+#if !defined (LSE_STARTUP_TIMEOUT)
+ #define LSE_STARTUP_TIMEOUT ((uint32_t)5000U) /*!< Time out for LSE start up, in ms */
+#endif /* LSE_STARTUP_TIMEOUT */
+
+/* Tip: To avoid modifying this file each time you need to use different HSE,
+ === you can define the HSE value in your toolchain compiler preprocessor. */
+
+/* ########################### System Configuration ######################### */
+/**
+ * @brief This is the HAL system configuration section
+ */
+#define VDD_VALUE ((uint32_t)3300U) /*!< Value of VDD in mv */
+#define TICK_INT_PRIORITY ((uint32_t)0U) /*!< tick interrupt priority */
+#define USE_RTOS 0U
+#define PREFETCH_ENABLE 0U
+#define PREREAD_ENABLE 1U
+#define BUFFER_CACHE_DISABLE 0U
+
+/* ########################## Assert Selection ############################## */
+/**
+ * @brief Uncomment the line below to expanse the "assert_param" macro in the
+ * HAL drivers code
+ */
+/* #define USE_FULL_ASSERT 1U */
+
+/* ################## Register callback feature configuration ############### */
+/**
+ * @brief Set below the peripheral configuration to "1U" to add the support
+ * of HAL callback registration/deregistration feature for the HAL
+ * driver(s). This allows user application to provide specific callback
+ * functions thanks to HAL_PPP_RegisterCallback() rather than overwriting
+ * the default weak callback functions (see each stm32l0xx_hal_ppp.h file
+ * for possible callback identifiers defined in HAL_PPP_CallbackIDTypeDef
+ * for each PPP peripheral).
+ */
+#define USE_HAL_ADC_REGISTER_CALLBACKS 0U
+#define USE_HAL_COMP_REGISTER_CALLBACKS 0U
+#define USE_HAL_DAC_REGISTER_CALLBACKS 0U
+#define USE_HAL_I2C_REGISTER_CALLBACKS 0U
+#define USE_HAL_I2S_REGISTER_CALLBACKS 0U
+#define USE_HAL_IRDA_REGISTER_CALLBACKS 0U
+#define USE_HAL_LPTIM_REGISTER_CALLBACKS 0U
+#define USE_HAL_PCD_REGISTER_CALLBACKS 0U
+#define USE_HAL_RNG_REGISTER_CALLBACKS 0U
+#define USE_HAL_RTC_REGISTER_CALLBACKS 0U
+#define USE_HAL_SMARTCARD_REGISTER_CALLBACKS 0U
+#define USE_HAL_SMBUS_REGISTER_CALLBACKS 0U
+#define USE_HAL_SPI_REGISTER_CALLBACKS 0U
+#define USE_HAL_TIM_REGISTER_CALLBACKS 0U
+#define USE_HAL_TSC_REGISTER_CALLBACKS 0U
+#define USE_HAL_UART_REGISTER_CALLBACKS 0U
+#define USE_HAL_USART_REGISTER_CALLBACKS 0U
+#define USE_HAL_WWDG_REGISTER_CALLBACKS 0U
+
+/* Includes ------------------------------------------------------------------*/
+/**
+ * @brief Include module's header file
+ */
+
+#ifdef HAL_RCC_MODULE_ENABLED
+ #include "stm32l0xx_hal_rcc.h"
+#endif /* HAL_RCC_MODULE_ENABLED */
+
+#ifdef HAL_EXTI_MODULE_ENABLED
+ #include "stm32l0xx_hal_exti.h"
+#endif /* HAL_EXTI_MODULE_ENABLED */
+
+#ifdef HAL_GPIO_MODULE_ENABLED
+ #include "stm32l0xx_hal_gpio.h"
+#endif /* HAL_GPIO_MODULE_ENABLED */
+
+#ifdef HAL_DMA_MODULE_ENABLED
+ #include "stm32l0xx_hal_dma.h"
+#endif /* HAL_DMA_MODULE_ENABLED */
+
+#ifdef HAL_CORTEX_MODULE_ENABLED
+ #include "stm32l0xx_hal_cortex.h"
+#endif /* HAL_CORTEX_MODULE_ENABLED */
+
+#ifdef HAL_ADC_MODULE_ENABLED
+ #include "stm32l0xx_hal_adc.h"
+#endif /* HAL_ADC_MODULE_ENABLED */
+
+#ifdef HAL_COMP_MODULE_ENABLED
+ #include "stm32l0xx_hal_comp.h"
+#endif /* HAL_COMP_MODULE_ENABLED */
+
+#ifdef HAL_CRC_MODULE_ENABLED
+ #include "stm32l0xx_hal_crc.h"
+#endif /* HAL_CRC_MODULE_ENABLED */
+
+#ifdef HAL_CRYP_MODULE_ENABLED
+ #include "stm32l0xx_hal_cryp.h"
+#endif /* HAL_CRYP_MODULE_ENABLED */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+ #include "stm32l0xx_hal_dac.h"
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+#ifdef HAL_FIREWALL_MODULE_ENABLED
+ #include "stm32l0xx_hal_firewall.h"
+#endif /* HAL_FIREWALL_MODULE_ENABLED */
+
+#ifdef HAL_FLASH_MODULE_ENABLED
+ #include "stm32l0xx_hal_flash.h"
+#endif /* HAL_FLASH_MODULE_ENABLED */
+
+#ifdef HAL_I2C_MODULE_ENABLED
+ #include "stm32l0xx_hal_i2c.h"
+#endif /* HAL_I2C_MODULE_ENABLED */
+
+#ifdef HAL_I2S_MODULE_ENABLED
+ #include "stm32l0xx_hal_i2s.h"
+#endif /* HAL_I2S_MODULE_ENABLED */
+
+#ifdef HAL_IWDG_MODULE_ENABLED
+ #include "stm32l0xx_hal_iwdg.h"
+#endif /* HAL_IWDG_MODULE_ENABLED */
+
+#ifdef HAL_LCD_MODULE_ENABLED
+ #include "stm32l0xx_hal_lcd.h"
+#endif /* HAL_LCD_MODULE_ENABLED */
+
+#ifdef HAL_LPTIM_MODULE_ENABLED
+#include "stm32l0xx_hal_lptim.h"
+#endif /* HAL_LPTIM_MODULE_ENABLED */
+
+#ifdef HAL_PWR_MODULE_ENABLED
+ #include "stm32l0xx_hal_pwr.h"
+#endif /* HAL_PWR_MODULE_ENABLED */
+
+#ifdef HAL_RNG_MODULE_ENABLED
+ #include "stm32l0xx_hal_rng.h"
+#endif /* HAL_RNG_MODULE_ENABLED */
+
+#ifdef HAL_RTC_MODULE_ENABLED
+ #include "stm32l0xx_hal_rtc.h"
+
+#endif /* HAL_RTC_MODULE_ENABLED */
+
+#ifdef HAL_SPI_MODULE_ENABLED
+ #include "stm32l0xx_hal_spi.h"
+#endif /* HAL_SPI_MODULE_ENABLED */
+
+#ifdef HAL_TIM_MODULE_ENABLED
+ #include "stm32l0xx_hal_tim.h"
+#endif /* HAL_TIM_MODULE_ENABLED */
+
+#ifdef HAL_TSC_MODULE_ENABLED
+ #include "stm32l0xx_hal_tsc.h"
+#endif /* HAL_TSC_MODULE_ENABLED */
+
+#ifdef HAL_UART_MODULE_ENABLED
+ #include "stm32l0xx_hal_uart.h"
+#endif /* HAL_UART_MODULE_ENABLED */
+
+#ifdef HAL_USART_MODULE_ENABLED
+ #include "stm32l0xx_hal_usart.h"
+#endif /* HAL_USART_MODULE_ENABLED */
+
+#ifdef HAL_IRDA_MODULE_ENABLED
+ #include "stm32l0xx_hal_irda.h"
+#endif /* HAL_IRDA_MODULE_ENABLED */
+
+#ifdef HAL_SMARTCARD_MODULE_ENABLED
+ #include "stm32l0xx_hal_smartcard.h"
+#endif /* HAL_SMARTCARD_MODULE_ENABLED */
+
+#ifdef HAL_SMBUS_MODULE_ENABLED
+ #include "stm32l0xx_hal_smbus.h"
+#endif /* HAL_SMBUS_MODULE_ENABLED */
+
+#ifdef HAL_WWDG_MODULE_ENABLED
+ #include "stm32l0xx_hal_wwdg.h"
+#endif /* HAL_WWDG_MODULE_ENABLED */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+ #include "stm32l0xx_hal_pcd.h"
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+/* Exported macro ------------------------------------------------------------*/
+#ifdef USE_FULL_ASSERT
+/**
+ * @brief The assert_param macro is used for function's parameters check.
+ * @param expr: If expr is false, it calls assert_failed function
+ * which reports the name of the source file and the source
+ * line number of the call that failed.
+ * If expr is true, it returns no value.
+ * @retval None
+ */
+ #define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
+/* Exported functions ------------------------------------------------------- */
+ void assert_failed(uint8_t* file, uint32_t line);
+#else
+ #define assert_param(expr) ((void)0U)
+#endif /* USE_FULL_ASSERT */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L0xx_HAL_CONF_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Core/Inc/stm32l0xx_it.h b/Core/Inc/stm32l0xx_it.h
new file mode 100644
index 0000000..77cb7bd
--- /dev/null
+++ b/Core/Inc/stm32l0xx_it.h
@@ -0,0 +1,65 @@
+/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file stm32l0xx_it.h
+ * @brief This file contains the headers of the interrupt handlers.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L0xx_IT_H
+#define __STM32L0xx_IT_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* Exported types ------------------------------------------------------------*/
+/* USER CODE BEGIN ET */
+
+/* USER CODE END ET */
+
+/* Exported constants --------------------------------------------------------*/
+/* USER CODE BEGIN EC */
+
+/* USER CODE END EC */
+
+/* Exported macro ------------------------------------------------------------*/
+/* USER CODE BEGIN EM */
+
+/* USER CODE END EM */
+
+/* Exported functions prototypes ---------------------------------------------*/
+void NMI_Handler(void);
+void HardFault_Handler(void);
+void SVC_Handler(void);
+void PendSV_Handler(void);
+void SysTick_Handler(void);
+/* USER CODE BEGIN EFP */
+
+/* USER CODE END EFP */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L0xx_IT_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Core/Inc/usart.h b/Core/Inc/usart.h
new file mode 100644
index 0000000..953af0e
--- /dev/null
+++ b/Core/Inc/usart.h
@@ -0,0 +1,52 @@
+/**
+ ******************************************************************************
+ * @file usart.h
+ * @brief This file contains all the function prototypes for
+ * the usart.c file
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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
+ *
+ ******************************************************************************
+ */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USART_H__
+#define __USART_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern UART_HandleTypeDef huart2;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_USART2_UART_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USART_H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Core/Src/button.c b/Core/Src/button.c
new file mode 100644
index 0000000..a9333d9
--- /dev/null
+++ b/Core/Src/button.c
@@ -0,0 +1,33 @@
+/*
+ * button.c
+ *
+ * Created on: 2 déc. 2020
+ * Author: root
+ */
+
+#include "button.h"
+
+void Button_init(BUTTON_TypeDef *button, GPIO_TypeDef * port, uint8_t pn,uint8_t pl) {
+button->gpioPort = port;
+button->pin = pn;
+button->pull = pl;
+
+//Activation de l'horloge sur le port en question
+
+//déterminer le numéro du port 0--> GPIOA, 1-->GPIOB, etc.
+uint8_t nb_port;
+nb_port = ((uint32_t) port - IOPPERIPH_BASE) / 0x400;
+//activation de l'hologe
+RCC->IOPENR |= 1 << nb_port;
+//configuration de la pin en entrée
+button->gpioPort->MODER &= ~(0b11 << 2 * pn);
+//configuration du type de pull
+button->gpioPort->PUPDR &= ~(0b11 << 2 * pn);
+button->gpioPort->PUPDR |= (pl << 2 * pn);
+}
+
+uint8_t Button_State(BUTTON_TypeDef *button) {
+if ((button->gpioPort->IDR & (1 << button->pin)) != 0)
+return 1;
+return 0;
+}
diff --git a/Core/Src/gpio.c b/Core/Src/gpio.c
new file mode 100644
index 0000000..b80c7b9
--- /dev/null
+++ b/Core/Src/gpio.c
@@ -0,0 +1,87 @@
+/**
+ ******************************************************************************
+ * @file gpio.c
+ * @brief This file provides code for the configuration
+ * of all used GPIO pins.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "gpio.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/*----------------------------------------------------------------------------*/
+/* Configure GPIO */
+/*----------------------------------------------------------------------------*/
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/** Configure pins as
+ * Analog
+ * Input
+ * Output
+ * EVENT_OUT
+ * EXTI
+*/
+void MX_GPIO_Init(void)
+{
+
+ GPIO_InitTypeDef GPIO_InitStruct = {0};
+
+ /* GPIO Ports Clock Enable */
+ __HAL_RCC_GPIOC_CLK_ENABLE();
+ __HAL_RCC_GPIOH_CLK_ENABLE();
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+ __HAL_RCC_GPIOB_CLK_ENABLE();
+
+ /*Configure GPIO pin Output Level */
+ HAL_GPIO_WritePin(LD2_GPIO_Port, LD2_Pin, GPIO_PIN_RESET);
+
+ /*Configure GPIO pin Output Level */
+ HAL_GPIO_WritePin(GPIOB, RS_Pin|RW_Pin|E_Pin|D4_Pin
+ |D5_Pin|D6_Pin|D7_Pin, GPIO_PIN_RESET);
+
+ /*Configure GPIO pin : PtPin */
+ GPIO_InitStruct.Pin = B1_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pin : PtPin */
+ GPIO_InitStruct.Pin = LD2_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
+ HAL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pins : PBPin PBPin PBPin PBPin
+ PBPin PBPin PBPin */
+ GPIO_InitStruct.Pin = RS_Pin|RW_Pin|E_Pin|D4_Pin
+ |D5_Pin|D6_Pin|D7_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+}
+
+/* USER CODE BEGIN 2 */
+
+/* USER CODE END 2 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Core/Src/lcd_1602.c b/Core/Src/lcd_1602.c
new file mode 100644
index 0000000..4dc09b9
--- /dev/null
+++ b/Core/Src/lcd_1602.c
@@ -0,0 +1,78 @@
+#include "lcd_1602.h"
+
+static void delay_us(uint32_t delay){
+ delay*=32;
+ while(delay--);
+}
+
+static void lcd_send_4bit(uint8_t data) {
+
+ if(data & 0x10) d4(1); else d4(0);
+ if(data & 0x20) d5(1); else d5(0);
+ if(data & 0x40) d6(1); else d6(0);
+ if(data & 0x80) d7(1); else d7(0);
+
+}
+
+static void lcd_send(int8_t rs,uint8_t data){
+ // rs : 1=data | 2=command
+ // rw : 0=write | 1=read
+ // en : 1=senddata | 0=donothing
+
+ rs(rs);
+ rw(0);
+ lcd_send_4bit(data); //MSB
+ en(1);
+ delay_us(100);
+ en(0);
+ lcd_send_4bit(data<<4); //LSB
+ en(1);
+ delay_us(100);
+ en(0);
+}
+
+void lcd_cmd(uint8_t command){
+ lcd_send(1,command);
+}
+
+void lcd_data(char c){
+ lcd_send(1,(uint8_t)c);
+
+}
+
+void lcd_init(void){
+ //bl(1);
+
+// lcd_send(0x22);
+
+ // 4 bit initialisation
+ lcd_send(0,0x20); // 4bit mode
+ HAL_Delay(10);
+
+ // Display initialisation
+ lcd_send(0,0x28); // Function set --> DL=0 (4 bit mode), N = 1 (2 line display) F = 0 (5x8 characters)
+ HAL_Delay(1);
+ lcd_send(0,0x08); //Display on/off control --> D=0,C=0, B=0 ---> display off
+ HAL_Delay(1);
+ lcd_send(0,0x01); // clear display
+ HAL_Delay(2);
+ lcd_send(0,0x06); //Entry mode set --> I/D = 1 (increment cursor) & S = 0 (no shift)
+ HAL_Delay(1);
+ lcd_send(0,0x0C); //Display on/off control --> D = 1, C and B = 0. (Cursor and blink, last two bits)
+ HAL_Delay(2);
+}
+
+void lcd_clr(void){
+ lcd_send(0,0x01);
+ HAL_Delay(2);
+}
+
+
+void lcd_gotoxy(char x, char y){
+ lcd_send(0,0x80+x+(y*0x40));
+ HAL_Delay(2);
+}
+
+void lcd_puts(char *text){
+ while (*text) lcd_data (*text++);
+}
diff --git a/Core/Src/led.c b/Core/Src/led.c
new file mode 100644
index 0000000..1a5c58f
--- /dev/null
+++ b/Core/Src/led.c
@@ -0,0 +1,44 @@
+/*
+ * led.c
+ *
+ * Created on: 2 déc. 2020
+ * Author: root
+ */
+
+#include "led.h"
+
+void Led_init(LED_TypeDef *led, GPIO_TypeDef * port, uint16_t pn){
+led->gpioPort=port;
+led->pin=pn;
+
+//Activation de l'horloge sur le port en question
+
+//déterminer le numéro du port 0--> GPIOA, 1-->GPIOB, etc.
+uint8_t nb_port;
+nb_port=(uint32_t)((uint32_t *)port - IOPPERIPH_BASE)/ (uint32_t)0x400;
+//activation de l'hologe
+RCC->IOPENR|=1<<nb_port;
+
+//configuration de la pin en sortie
+led->gpioPort->MODER&=~(0b11<<2*pn);
+led->gpioPort->MODER|=(0b01<<2*pn);
+}
+
+uint8_t Led_isOn(LED_TypeDef *led){
+return ((led->gpioPort->ODR&(1<<led->pin))!=0);
+}
+
+uint8_t Led_isOff(LED_TypeDef *led){
+return ((led->gpioPort->ODR&(1<<led->pin))==0);
+}
+void Led_turnOn(LED_TypeDef *led){
+led->gpioPort->ODR|=(1<<led->pin);
+}
+
+void Led_turnOff(LED_TypeDef *led){
+led->gpioPort->ODR&=~(1<<led->pin);
+}
+
+void Led_toggle(LED_TypeDef *led){
+ led->gpioPort->ODR^=(1<<led->pin);
+}
diff --git a/Core/Src/main.c b/Core/Src/main.c
new file mode 100644
index 0000000..2ec05eb
--- /dev/null
+++ b/Core/Src/main.c
@@ -0,0 +1,249 @@
+/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file : main.c
+ * @brief : Main program body
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+#include "usart.h"
+#include "gpio.h"
+
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+#include "led.h"
+#include "button.h"
+#include "simon.h"
+#include "lcd_1602.h"
+/* USER CODE END Includes */
+/* Private typedef -----------------------------------------------------------*/
+/* USER CODE BEGIN PTD */
+
+/* USER CODE END PTD */
+
+/* Private define ------------------------------------------------------------*/
+/* USER CODE BEGIN PD */
+/* USER CODE END PD */
+
+/* Private macro -------------------------------------------------------------*/
+/* USER CODE BEGIN PM */
+
+/* USER CODE END PM */
+
+/* Private variables ---------------------------------------------------------*/
+
+/* USER CODE BEGIN PV */
+
+/* USER CODE END PV */
+
+/* Private function prototypes -----------------------------------------------*/
+void SystemClock_Config(void);
+/* USER CODE BEGIN PFP */
+
+/* USER CODE END PFP */
+
+/* Private user code ---------------------------------------------------------*/
+
+/* USER CODE BEGIN 0 */
+//Declaration des leds et buttons
+LED_TypeDef led_rouge; //rouge
+LED_TypeDef led_verte; //verte
+LED_TypeDef led_jaune; //jaune
+LED_TypeDef led_system; //vert sur la carte
+
+BUTTON_TypeDef button_rouge; //rouge
+BUTTON_TypeDef button_vert; //vert
+BUTTON_TypeDef button_jaune; //jaune
+BUTTON_TypeDef button_start; //gris
+BUTTON_TypeDef button_system; //bleu sur la carte
+//
+/* USER CODE END 0 */
+
+/**
+ * @brief The application entry point.
+ * @retval int
+ */
+int main(void)
+{
+ /* USER CODE BEGIN 1 */
+
+ /* USER CODE END 1 */
+
+ /* MCU Configuration--------------------------------------------------------*/
+
+ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
+ HAL_Init();
+
+ /* USER CODE BEGIN Init */
+
+ /* USER CODE END Init */
+
+ /* Configure the system clock */
+ SystemClock_Config();
+
+ /* USER CODE BEGIN SysInit */
+
+ /* USER CODE END SysInit */
+
+ /* Initialize all configured peripherals */
+ MX_GPIO_Init();
+ MX_USART2_UART_Init();
+ /* USER CODE BEGIN 2 */
+
+//
+ //configuration de l'horloge du système en 16MHz
+ RCC->CR|=1; //activer HSI
+ RCC->CFGR&=~(0b11);
+ RCC->CFGR|=01; //selection de HSI
+ HAL_InitTick(16000000);
+//
+
+// Init de nos leds et buttons
+ Led_init(&led_rouge, GPIOA,5); //led_rouge sur PA5
+ Led_init(&led_verte, GPIOA,6); //led_verte sur PA6
+ Led_init(&led_jaune, GPIOA,7); //led_jaune sur PA7
+ Led_init(&led_system, GPIOB,6); //led_system sur PB6
+
+ Button_init(&button_rouge, GPIOC, 13); //button_jaune sur PC13
+ Button_init(&button_vert, GPIOC, 14); //button_vert sur PC13
+ Button_init(&button_jaune, GPIOC, 15); //button_jaune sur PC13
+ Button_init(&button_start, GPIOH, 0); //button_start sur PH0
+ Button_init(&button_system, GPIOH, 1); //button_system sur PH1
+//
+
+/* EXEMPLE D'UTILISATION POUR LED ET BUTTON
+ uint8_t last_button_state = 1; //button non appuyé
+ uint8_t current_button_state = 1; //button non appuyé
+
+ for (;;) {
+ //lire l’état courant
+ current_button_state = Button_State(&button_system);
+ //si front descendant (bouton appuyé)
+ if (last_button_state == 1 && (current_button_state == 0)) {
+ Led_turnOn(&led_system); //allume
+ //suppression des rebonds
+ HAL_Delay(20);
+ }
+ //si front montant (bouton relâché)
+ if (last_button_state == 0 && (current_button_state != 0)) {
+ //suppression des rebonds
+ HAL_Delay(20);
+ Led_turnOff(&led_system); //eteind
+ }
+ //mise à jour de l’état précédent du bouton
+ last_button_state = current_button_state;
+ }
+*/
+
+ /* USER CODE END 2 */
+
+ /* Infinite loop */
+
+ while (1)
+ {
+ /* USER CODE BEGIN WHILE */
+
+ lcd_init();
+ lcd_clr();
+ lcd_gotoxy(0,0);
+ lcd_puts("Hello World !");
+
+ /* USER CODE END WHILE */
+ }
+ /* USER CODE BEGIN 3 */
+
+ /* USER CODE END 3 */
+}
+
+/**
+ * @brief System Clock Configuration
+ * @retval None
+ */
+void SystemClock_Config(void)
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+ RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
+
+ /** Configure the main internal regulator output voltage
+ */
+ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+ /** Initializes the RCC Oscillators according to the specified parameters
+ * in the RCC_OscInitTypeDef structure.
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /** Initializes the CPU, AHB and APB buses clocks
+ */
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
+ |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
+ PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
+ if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+ {
+ Error_Handler();
+ }
+}
+
+/* USER CODE BEGIN 4 */
+
+/* USER CODE END 4 */
+
+/**
+ * @brief This function is executed in case of error occurrence.
+ * @retval None
+ */
+void Error_Handler(void)
+{
+ /* USER CODE BEGIN Error_Handler_Debug */
+ /* User can add his own implementation to report the HAL error return state */
+
+ /* USER CODE END Error_Handler_Debug */
+}
+
+#ifdef USE_FULL_ASSERT
+/**
+ * @brief Reports the name of the source file and the source line number
+ * where the assert_param error has occurred.
+ * @param file: pointer to the source file name
+ * @param line: assert_param error line source number
+ * @retval None
+ */
+void assert_failed(uint8_t *file, uint32_t line)
+{
+ /* USER CODE BEGIN 6 */
+ /* User can add his own implementation to report the file name and line number,
+ tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+ /* USER CODE END 6 */
+}
+#endif /* USE_FULL_ASSERT */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Core/Src/stm32l0xx_hal_msp.c b/Core/Src/stm32l0xx_hal_msp.c
new file mode 100644
index 0000000..f614d4a
--- /dev/null
+++ b/Core/Src/stm32l0xx_hal_msp.c
@@ -0,0 +1,84 @@
+/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file stm32l0xx_hal_msp.c
+ * @brief This file provides code for the MSP Initialization
+ * and de-Initialization codes.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* Private typedef -----------------------------------------------------------*/
+/* USER CODE BEGIN TD */
+
+/* USER CODE END TD */
+
+/* Private define ------------------------------------------------------------*/
+/* USER CODE BEGIN Define */
+
+/* USER CODE END Define */
+
+/* Private macro -------------------------------------------------------------*/
+/* USER CODE BEGIN Macro */
+
+/* USER CODE END Macro */
+
+/* Private variables ---------------------------------------------------------*/
+/* USER CODE BEGIN PV */
+
+/* USER CODE END PV */
+
+/* Private function prototypes -----------------------------------------------*/
+/* USER CODE BEGIN PFP */
+
+/* USER CODE END PFP */
+
+/* External functions --------------------------------------------------------*/
+/* USER CODE BEGIN ExternalFunctions */
+
+/* USER CODE END ExternalFunctions */
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+/**
+ * Initializes the Global MSP.
+ */
+void HAL_MspInit(void)
+{
+ /* USER CODE BEGIN MspInit 0 */
+
+ /* USER CODE END MspInit 0 */
+
+ __HAL_RCC_SYSCFG_CLK_ENABLE();
+ __HAL_RCC_PWR_CLK_ENABLE();
+
+ /* System interrupt init*/
+
+ /* USER CODE BEGIN MspInit 1 */
+
+ /* USER CODE END MspInit 1 */
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Core/Src/stm32l0xx_it.c b/Core/Src/stm32l0xx_it.c
new file mode 100644
index 0000000..bf098ed
--- /dev/null
+++ b/Core/Src/stm32l0xx_it.c
@@ -0,0 +1,147 @@
+/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file stm32l0xx_it.c
+ * @brief Interrupt Service Routines.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+#include "stm32l0xx_it.h"
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+/* USER CODE END Includes */
+
+/* Private typedef -----------------------------------------------------------*/
+/* USER CODE BEGIN TD */
+
+/* USER CODE END TD */
+
+/* Private define ------------------------------------------------------------*/
+/* USER CODE BEGIN PD */
+
+/* USER CODE END PD */
+
+/* Private macro -------------------------------------------------------------*/
+/* USER CODE BEGIN PM */
+
+/* USER CODE END PM */
+
+/* Private variables ---------------------------------------------------------*/
+/* USER CODE BEGIN PV */
+
+/* USER CODE END PV */
+
+/* Private function prototypes -----------------------------------------------*/
+/* USER CODE BEGIN PFP */
+
+/* USER CODE END PFP */
+
+/* Private user code ---------------------------------------------------------*/
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/* External variables --------------------------------------------------------*/
+
+/* USER CODE BEGIN EV */
+
+/* USER CODE END EV */
+
+/******************************************************************************/
+/* Cortex-M0+ Processor Interruption and Exception Handlers */
+/******************************************************************************/
+/**
+ * @brief This function handles Non maskable interrupt.
+ */
+void NMI_Handler(void)
+{
+ /* USER CODE BEGIN NonMaskableInt_IRQn 0 */
+
+ /* USER CODE END NonMaskableInt_IRQn 0 */
+ /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
+ while (1)
+ {
+ }
+ /* USER CODE END NonMaskableInt_IRQn 1 */
+}
+
+/**
+ * @brief This function handles Hard fault interrupt.
+ */
+void HardFault_Handler(void)
+{
+ /* USER CODE BEGIN HardFault_IRQn 0 */
+
+ /* USER CODE END HardFault_IRQn 0 */
+ while (1)
+ {
+ /* USER CODE BEGIN W1_HardFault_IRQn 0 */
+ /* USER CODE END W1_HardFault_IRQn 0 */
+ }
+}
+
+/**
+ * @brief This function handles System service call via SWI instruction.
+ */
+void SVC_Handler(void)
+{
+ /* USER CODE BEGIN SVC_IRQn 0 */
+
+ /* USER CODE END SVC_IRQn 0 */
+ /* USER CODE BEGIN SVC_IRQn 1 */
+
+ /* USER CODE END SVC_IRQn 1 */
+}
+
+/**
+ * @brief This function handles Pendable request for system service.
+ */
+void PendSV_Handler(void)
+{
+ /* USER CODE BEGIN PendSV_IRQn 0 */
+
+ /* USER CODE END PendSV_IRQn 0 */
+ /* USER CODE BEGIN PendSV_IRQn 1 */
+
+ /* USER CODE END PendSV_IRQn 1 */
+}
+
+/**
+ * @brief This function handles System tick timer.
+ */
+void SysTick_Handler(void)
+{
+ /* USER CODE BEGIN SysTick_IRQn 0 */
+
+ /* USER CODE END SysTick_IRQn 0 */
+ HAL_IncTick();
+ /* USER CODE BEGIN SysTick_IRQn 1 */
+
+ /* USER CODE END SysTick_IRQn 1 */
+}
+
+/******************************************************************************/
+/* STM32L0xx Peripheral Interrupt Handlers */
+/* Add here the Interrupt Handlers for the used peripherals. */
+/* For the available peripheral interrupt handler names, */
+/* please refer to the startup file (startup_stm32l0xx.s). */
+/******************************************************************************/
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Core/Src/syscalls.c b/Core/Src/syscalls.c
new file mode 100644
index 0000000..914f768
--- /dev/null
+++ b/Core/Src/syscalls.c
@@ -0,0 +1,207 @@
+/**
+*****************************************************************************
+**
+** File : syscalls.c
+**
+** Author : Auto-generated by System workbench for STM32
+**
+** Abstract : System Workbench Minimal System calls file
+**
+** For more information about which c-functions
+** need which of these lowlevel functions
+** please consult the Newlib libc-manual
+**
+** Target : STMicroelectronics STM32
+**
+** Distribution: The file is distributed “as is,” without any warranty
+** of any kind.
+**
+*****************************************************************************
+** @attention
+**
+** <h2><center>&copy; COPYRIGHT(c) 2019 STMicroelectronics</center></h2>
+**
+** Redistribution and use in source and binary forms, with or without modification,
+** are permitted provided that the following conditions are met:
+** 1. Redistributions of source code must retain the above copyright notice,
+** this list of conditions and the following disclaimer.
+** 2. Redistributions in binary form must reproduce the above copyright notice,
+** this list of conditions and the following disclaimer in the documentation
+** and/or other materials provided with the distribution.
+** 3. Neither the name of STMicroelectronics nor the names of its contributors
+** may be used to endorse or promote products derived from this software
+** without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**
+*****************************************************************************
+*/
+
+/* Includes */
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stdio.h>
+#include <signal.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/times.h>
+
+
+/* Variables */
+//#undef errno
+extern int errno;
+extern int __io_putchar(int ch) __attribute__((weak));
+extern int __io_getchar(void) __attribute__((weak));
+
+register char * stack_ptr asm("sp");
+
+char *__env[1] = { 0 };
+char **environ = __env;
+
+
+/* Functions */
+void initialise_monitor_handles()
+{
+}
+
+int _getpid(void)
+{
+ return 1;
+}
+
+int _kill(int pid, int sig)
+{
+ errno = EINVAL;
+ return -1;
+}
+
+void _exit (int status)
+{
+ _kill(status, -1);
+ while (1) {} /* Make sure we hang here */
+}
+
+__attribute__((weak)) int _read(int file, char *ptr, int len)
+{
+ int DataIdx;
+
+ for (DataIdx = 0; DataIdx < len; DataIdx++)
+ {
+ *ptr++ = __io_getchar();
+ }
+
+return len;
+}
+
+__attribute__((weak)) int _write(int file, char *ptr, int len)
+{
+ int DataIdx;
+
+ for (DataIdx = 0; DataIdx < len; DataIdx++)
+ {
+ __io_putchar(*ptr++);
+ }
+ return len;
+}
+
+caddr_t _sbrk(int incr)
+{
+ extern char end asm("end");
+ static char *heap_end;
+ char *prev_heap_end;
+
+ if (heap_end == 0)
+ heap_end = &end;
+
+ prev_heap_end = heap_end;
+ if (heap_end + incr > stack_ptr)
+ {
+// write(1, "Heap and stack collision\n", 25);
+// abort();
+ errno = ENOMEM;
+ return (caddr_t) -1;
+ }
+
+ heap_end += incr;
+
+ return (caddr_t) prev_heap_end;
+}
+
+int _close(int file)
+{
+ return -1;
+}
+
+
+int _fstat(int file, struct stat *st)
+{
+ st->st_mode = S_IFCHR;
+ return 0;
+}
+
+int _isatty(int file)
+{
+ return 1;
+}
+
+int _lseek(int file, int ptr, int dir)
+{
+ return 0;
+}
+
+int _open(char *path, int flags, ...)
+{
+ /* Pretend like we always fail */
+ return -1;
+}
+
+int _wait(int *status)
+{
+ errno = ECHILD;
+ return -1;
+}
+
+int _unlink(char *name)
+{
+ errno = ENOENT;
+ return -1;
+}
+
+int _times(struct tms *buf)
+{
+ return -1;
+}
+
+int _stat(char *file, struct stat *st)
+{
+ st->st_mode = S_IFCHR;
+ return 0;
+}
+
+int _link(char *old, char *new)
+{
+ errno = EMLINK;
+ return -1;
+}
+
+int _fork(void)
+{
+ errno = EAGAIN;
+ return -1;
+}
+
+int _execve(char *name, char **argv, char **env)
+{
+ errno = ENOMEM;
+ return -1;
+}
diff --git a/Core/Src/system_stm32l0xx.c b/Core/Src/system_stm32l0xx.c
new file mode 100644
index 0000000..9189ed8
--- /dev/null
+++ b/Core/Src/system_stm32l0xx.c
@@ -0,0 +1,275 @@
+/**
+ ******************************************************************************
+ * @file system_stm32l0xx.c
+ * @author MCD Application Team
+ * @brief CMSIS Cortex-M0+ Device Peripheral Access Layer System Source File.
+ *
+ * This file provides two functions and one global variable to be called from
+ * user application:
+ * - SystemInit(): This function is called at startup just after reset and
+ * before branch to main program. This call is made inside
+ * the "startup_stm32l0xx.s" file.
+ *
+ * - SystemCoreClock variable: Contains the core clock (HCLK), it can be used
+ * by the user application to setup the SysTick
+ * timer or configure other parameters.
+ *
+ * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
+ * be called whenever the core clock is changed
+ * during program execution.
+ *
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright(c) 2016 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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
+ *
+ ******************************************************************************
+ */
+
+/** @addtogroup CMSIS
+ * @{
+ */
+
+/** @addtogroup stm32l0xx_system
+ * @{
+ */
+
+/** @addtogroup STM32L0xx_System_Private_Includes
+ * @{
+ */
+
+#include "stm32l0xx.h"
+
+#if !defined (HSE_VALUE)
+ #define HSE_VALUE ((uint32_t)8000000U) /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined (MSI_VALUE)
+ #define MSI_VALUE ((uint32_t)2097152U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* MSI_VALUE */
+
+#if !defined (HSI_VALUE)
+ #define HSI_VALUE ((uint32_t)16000000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32L0xx_System_Private_TypesDefinitions
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32L0xx_System_Private_Defines
+ * @{
+ */
+/************************* Miscellaneous Configuration ************************/
+
+/* Note: Following vector table addresses must be defined in line with linker
+ configuration. */
+/*!< Uncomment the following line if you need to relocate the vector table
+ anywhere in Flash or Sram, else the vector table is kept at the automatic
+ remap of boot address selected */
+/* #define USER_VECT_TAB_ADDRESS */
+
+#if defined(USER_VECT_TAB_ADDRESS)
+/*!< Uncomment the following line if you need to relocate your vector Table
+ in Sram else user remap will be done in Flash. */
+/* #define VECT_TAB_SRAM */
+#if defined(VECT_TAB_SRAM)
+#define VECT_TAB_BASE_ADDRESS SRAM_BASE /*!< Vector Table base address field.
+ This value must be a multiple of 0x200. */
+#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field.
+ This value must be a multiple of 0x200. */
+#else
+#define VECT_TAB_BASE_ADDRESS FLASH_BASE /*!< Vector Table base address field.
+ This value must be a multiple of 0x200. */
+#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field.
+ This value must be a multiple of 0x200. */
+#endif /* VECT_TAB_SRAM */
+#endif /* USER_VECT_TAB_ADDRESS */
+
+/******************************************************************************/
+/**
+ * @}
+ */
+
+/** @addtogroup STM32L0xx_System_Private_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32L0xx_System_Private_Variables
+ * @{
+ */
+ /* This variable is updated in three ways:
+ 1) by calling CMSIS function SystemCoreClockUpdate()
+ 2) by calling HAL API function HAL_RCC_GetHCLKFreq()
+ 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
+ Note: If you use this function to configure the system clock; then there
+ is no need to call the 2 first functions listed above, since SystemCoreClock
+ variable is updated automatically.
+ */
+ uint32_t SystemCoreClock = 2097152U; /* 32.768 kHz * 2^6 */
+ const uint8_t AHBPrescTable[16] = {0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 1U, 2U, 3U, 4U, 6U, 7U, 8U, 9U};
+ const uint8_t APBPrescTable[8] = {0U, 0U, 0U, 0U, 1U, 2U, 3U, 4U};
+ const uint8_t PLLMulTable[9] = {3U, 4U, 6U, 8U, 12U, 16U, 24U, 32U, 48U};
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32L0xx_System_Private_FunctionPrototypes
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32L0xx_System_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief Setup the microcontroller system.
+ * @param None
+ * @retval None
+ */
+void SystemInit (void)
+{
+ /* Configure the Vector Table location add offset address ------------------*/
+#if defined (USER_VECT_TAB_ADDRESS)
+ SCB->VTOR = VECT_TAB_BASE_ADDRESS | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
+#endif /* USER_VECT_TAB_ADDRESS */
+}
+
+/**
+ * @brief Update SystemCoreClock variable according to Clock Register Values.
+ * The SystemCoreClock variable contains the core clock (HCLK), it can
+ * be used by the user application to setup the SysTick timer or configure
+ * other parameters.
+ *
+ * @note Each time the core clock (HCLK) changes, this function must be called
+ * to update SystemCoreClock variable value. Otherwise, any configuration
+ * based on this variable will be incorrect.
+ *
+ * @note - The system frequency computed by this function is not the real
+ * frequency in the chip. It is calculated based on the predefined
+ * constant and the selected clock source:
+ *
+ * - If SYSCLK source is MSI, SystemCoreClock will contain the MSI
+ * value as defined by the MSI range.
+ *
+ * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*)
+ *
+ * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**)
+ *
+ * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**)
+ * or HSI_VALUE(*) multiplied/divided by the PLL factors.
+ *
+ * (*) HSI_VALUE is a constant defined in stm32l0xx_hal.h file (default value
+ * 16 MHz) but the real value may vary depending on the variations
+ * in voltage and temperature.
+ *
+ * (**) HSE_VALUE is a constant defined in stm32l0xx_hal.h file (default value
+ * 8 MHz), user has to ensure that HSE_VALUE is same as the real
+ * frequency of the crystal used. Otherwise, this function may
+ * have wrong result.
+ *
+ * - The result of this function could be not correct when using fractional
+ * value for HSE crystal.
+ * @param None
+ * @retval None
+ */
+void SystemCoreClockUpdate (void)
+{
+ uint32_t tmp = 0U, pllmul = 0U, plldiv = 0U, pllsource = 0U, msirange = 0U;
+
+ /* Get SYSCLK source -------------------------------------------------------*/
+ tmp = RCC->CFGR & RCC_CFGR_SWS;
+
+ switch (tmp)
+ {
+ case 0x00U: /* MSI used as system clock */
+ msirange = (RCC->ICSCR & RCC_ICSCR_MSIRANGE) >> RCC_ICSCR_MSIRANGE_Pos;
+ SystemCoreClock = (32768U * (1U << (msirange + 1U)));
+ break;
+ case 0x04U: /* HSI used as system clock */
+ if ((RCC->CR & RCC_CR_HSIDIVF) != 0U)
+ {
+ SystemCoreClock = HSI_VALUE / 4U;
+ }
+ else
+ {
+ SystemCoreClock = HSI_VALUE;
+ }
+ break;
+ case 0x08U: /* HSE used as system clock */
+ SystemCoreClock = HSE_VALUE;
+ break;
+ default: /* PLL used as system clock */
+ /* Get PLL clock source and multiplication factor ----------------------*/
+ pllmul = RCC->CFGR & RCC_CFGR_PLLMUL;
+ plldiv = RCC->CFGR & RCC_CFGR_PLLDIV;
+ pllmul = PLLMulTable[(pllmul >> RCC_CFGR_PLLMUL_Pos)];
+ plldiv = (plldiv >> RCC_CFGR_PLLDIV_Pos) + 1U;
+
+ pllsource = RCC->CFGR & RCC_CFGR_PLLSRC;
+
+ if (pllsource == 0x00U)
+ {
+ /* HSI oscillator clock selected as PLL clock entry */
+ if ((RCC->CR & RCC_CR_HSIDIVF) != 0U)
+ {
+ SystemCoreClock = (((HSI_VALUE / 4U) * pllmul) / plldiv);
+ }
+ else
+ {
+ SystemCoreClock = (((HSI_VALUE) * pllmul) / plldiv);
+ }
+ }
+ else
+ {
+ /* HSE selected as PLL clock entry */
+ SystemCoreClock = (((HSE_VALUE) * pllmul) / plldiv);
+ }
+ break;
+ }
+ /* Compute HCLK clock frequency --------------------------------------------*/
+ /* Get HCLK prescaler */
+ tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> RCC_CFGR_HPRE_Pos)];
+ /* HCLK clock frequency */
+ SystemCoreClock >>= tmp;
+}
+
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Core/Src/usart.c b/Core/Src/usart.c
new file mode 100644
index 0000000..e6948fb
--- /dev/null
+++ b/Core/Src/usart.c
@@ -0,0 +1,108 @@
+/**
+ ******************************************************************************
+ * @file usart.c
+ * @brief This file provides code for the configuration
+ * of the USART instances.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usart.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+UART_HandleTypeDef huart2;
+
+/* USART2 init function */
+
+void MX_USART2_UART_Init(void)
+{
+
+ huart2.Instance = USART2;
+ huart2.Init.BaudRate = 115200;
+ huart2.Init.WordLength = UART_WORDLENGTH_8B;
+ huart2.Init.StopBits = UART_STOPBITS_1;
+ huart2.Init.Parity = UART_PARITY_NONE;
+ huart2.Init.Mode = UART_MODE_TX_RX;
+ huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
+ huart2.Init.OverSampling = UART_OVERSAMPLING_16;
+ huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
+ huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
+ if (HAL_UART_Init(&huart2) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+}
+
+void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
+{
+
+ GPIO_InitTypeDef GPIO_InitStruct = {0};
+ if(uartHandle->Instance==USART2)
+ {
+ /* USER CODE BEGIN USART2_MspInit 0 */
+
+ /* USER CODE END USART2_MspInit 0 */
+ /* USART2 clock enable */
+ __HAL_RCC_USART2_CLK_ENABLE();
+
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+ /**USART2 GPIO Configuration
+ PA2 ------> USART2_TX
+ PA3 ------> USART2_RX
+ */
+ GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF4_USART2;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ /* USER CODE BEGIN USART2_MspInit 1 */
+
+ /* USER CODE END USART2_MspInit 1 */
+ }
+}
+
+void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
+{
+
+ if(uartHandle->Instance==USART2)
+ {
+ /* USER CODE BEGIN USART2_MspDeInit 0 */
+
+ /* USER CODE END USART2_MspDeInit 0 */
+ /* Peripheral clock disable */
+ __HAL_RCC_USART2_CLK_DISABLE();
+
+ /**USART2 GPIO Configuration
+ PA2 ------> USART2_TX
+ PA3 ------> USART2_RX
+ */
+ HAL_GPIO_DeInit(GPIOA, USART_TX_Pin|USART_RX_Pin);
+
+ /* USER CODE BEGIN USART2_MspDeInit 1 */
+
+ /* USER CODE END USART2_MspDeInit 1 */
+ }
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/README.ms b/README.ms
index d818380..5667724 100644
--- a/README.ms
+++ b/README.ms
@@ -36,4 +36,25 @@ Un quatrième bouton poussoir sera utilisé comme bouton select/start/reset.
Outils logiciel
.PP
-Utilisation de STM32CubeMX et de System Workbench for STM32
+Utilisation de STM32CubeMX pour générer le code de bqse et de System Workbench for STM32 comme IDE pour le reste.
+
+.SH
+Cablage
+
+.PP
+<Mettre un schema de cablage>
+
+.SH
+Code
+
+.PP
+<Mettre ici notre main et notre simo>
+
+
+.SH
+Difficulté
+
+.PP
+Tres peu de documentation clair sont à porté de main sur internet et les cours + TP n'étaient pas suffisant pour avancer dans ce projet.
+
+
diff --git a/ressources_projet_elec/docs_STM32.rar b/ressources_projet_elec/docs_STM32/HAL_LL_Drivers.pdf
index 3cef2bf..3033aa7 100644
--- a/ressources_projet_elec/docs_STM32.rar
+++ b/ressources_projet_elec/docs_STM32/HAL_LL_Drivers.pdf
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diff --git a/ressources_projet_elec/docs_STM32/HAL_LL_Drivers.zip b/ressources_projet_elec/docs_STM32/HAL_LL_Drivers.zip
deleted file mode 100644
index 279c9ae..0000000
--- a/ressources_projet_elec/docs_STM32/HAL_LL_Drivers.zip
+++ /dev/null
Binary files differ
diff --git a/ressources_projet_elec/docs_STM32/STM32L053xx_Reference.zip b/ressources_projet_elec/docs_STM32/STM32L053xx_Reference.zip
deleted file mode 100644
index 6b2d327..0000000
--- a/ressources_projet_elec/docs_STM32/STM32L053xx_Reference.zip
+++ /dev/null
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generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 19:03:25 +0000