/*############################################################################
# ** Proyecto : 0 - Hola Led con Programacion Orientada a Objetos (POO)
# ** Herramienta : https://www.wokwi.com
# ** Compilador : wokwi Simulador online
# ** Version : 1.0
# ** Fecha/Hora : 20-10-2024, 6:45 am,
# **
# ** Descripción del programa :
# ** Este programa prende y apaga un led, con tajeta STM32
# ** utilizando programacion Orientada a Objetos (POO)
# ** lenguaje de programacion C++
# **
# ** Versión : 1
# ** Revisión : A
# ** Release : 0
# ** Bugs & Fixes :
# ** Date : 20/10/2024
# **
# ** By : Jorge Anzaldo
# ** contact : [email protected]
# ** twitter x : @janzaldob
#############################################################################*/
/* ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
# : Librerias / Bibliotecas / Modulos | :
# ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::*/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stm32l0xx_hal.h>
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# | Definición variable globlares y estructuras |
# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
#define LED_PORT GPIOB
//#define LED_PIN GPIO_PIN_3
#define LED_PORT_CLK_ENABLE __HAL_RCC_GPIOB_CLK_ENABLE
#define VCP_TX_Pin GPIO_PIN_2
#define VCP_RX_Pin GPIO_PIN_15
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
UART_HandleTypeDef huart2; //struct
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# | Definición Funciones |
# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
void Error_Handler(void);
void SystemClock_Config(void);
static void MX_USART2_UART_Init(void);
void osSystickHandler(void);
void initGPIO();
int _write(int file, uint8_t *ptr, int len);
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# | Definición y Desarrollo de Clases |
# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
class Led{
private:
int pin;
public:
//constructor
Led(int pinNumero){
pin = pinNumero;
HAL_Init();
SystemClock_Config();
GPIO_InitTypeDef GPIO_Config;
GPIO_Config.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_Config.Pull = GPIO_NOPULL;
GPIO_Config.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_Config.Pin = pin;
LED_PORT_CLK_ENABLE();
HAL_GPIO_Init(LED_PORT, &GPIO_Config);
__HAL_RCC_GPIOB_CLK_ENABLE();
}
// metodos (funciones)
void mensaje(const char *texto){
printf("%s \n",texto);
}
void prender(int tiempo){
HAL_GPIO_WritePin(GPIOB,pin,GPIO_PIN_SET);
HAL_Delay(tiempo*1000);
}
void apagar(int tiempo=1){
HAL_GPIO_WritePin(GPIOB,pin,GPIO_PIN_RESET);
HAL_Delay(tiempo*1000);
}
void parpadear(int iteraciones){
for(int i=0 ; i<=iteraciones ; i++){
HAL_GPIO_TogglePin(LED_PORT,pin);
HAL_Delay(200);
}
}
//destructor
~Led(){}
};
/* ===============================================================================
# || ||
# || P R O G R A M A / F U N C I O N P R I N C I P A L ||
# || ||
# ==============================================================================*/
int main() {
Led led(GPIO_PIN_3);
Led ledRojo(GPIO_PIN_4);
Led ledAmarillo(GPIO_PIN_5);
Led ledVerde(GPIO_PIN_6);
led.mensaje("Hola Led con POO desde ESIME Zacatenco !");
while (1){
led.mensaje("LED INTERNO PARPADEANDO 10 ITERACIONE");
led.parpadear(10);
led.apagar();
led.mensaje("LED ROJO PRENDIDO 3 SEGUNDOS ");
ledRojo.prender(3);
ledRojo.apagar(1);
led.mensaje("LED AMARILLO PRENDIDO 1 SEGUNDOS");
ledAmarillo.prender(1);
ledAmarillo.apagar(1);
led.mensaje("LED VERDE PRENDIDO 3 SEGUNDOS");
ledVerde.prender(3);
ledVerde.apagar(1);
}
return 0;
}
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# | Desarrollo de funciones |
# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
void Error_Handler(void)
{
/* User can add his own implementation to report the HAL error return state */
}
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_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_4;
RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2;
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_PLLCLK;
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_1) != HAL_OK)
{
Error_Handler();
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
Error_Handler();
}
}
/**
@brief USART2 Initialization Function
@param None
@retval None
*/
static void MX_USART2_UART_Init(void)
{
__HAL_RCC_GPIOA_CLK_ENABLE();
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA15 ------> USART2_RX
*/
GPIO_InitTypeDef GPIO_InitStruct = {0};
GPIO_InitStruct.Pin = VCP_TX_Pin | VCP_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);
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();
}
__HAL_RCC_USART2_CLK_ENABLE();
}
// The following makes printf() write to USART2:
int _write(int file, uint8_t *ptr, int len){
switch (file){
case STDOUT_FILENO:
HAL_UART_Transmit(&huart2, ptr, len, HAL_MAX_DELAY);
break;
case STDERR_FILENO:
HAL_UART_Transmit(&huart2, ptr, len, HAL_MAX_DELAY);
break;
default:
return -1;
}
return len;
}
/*# ********************************************************************************
#
# R E F E R E N C I A S / C O M E N T A R I O S
#
# Simulation: https://wokwi.com/projects/367244067477216257
#
# *********************************************************************************/
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