/**
******************************************************************************
* @file : main.c
* @author : Auto-generated by STM32CubeIDE
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2024 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
#include <stdint.h>
#include "STM32F103IO.h"
#include "Keypad.h"
#include "LCD1602.h"
#if !defined(__SOFT_FP__) && defined(__ARM_FP)
#warning "FPU is not initialized, but the project is compiling for an FPU. Please initialize the FPU before use."
#endif
#define ROW0 PA4
#define ROW1 PA5
#define ROW2 PA6
#define ROW3 PA7
#define COL0 PA0
#define COL1 PA1
#define COL2 PA2
#define COL3 PA3
#define RS PB8
#define EN PB9
#define D4 PB4
#define D5 PB5
#define D6 PB6
#define D7 PB7
int main(void)
{
volatile char key;
keypad_row_pin(ROW0, ROW1, ROW2, ROW3);
keypad_column_pin(COL0, COL1, COL2, COL3);
LCD_Init(RS, EN, D4, D5, D6, D7);
LCD_Cursor(0, 5);
LCD_String("Keypad");
LCD_Cursor(1, 0);
while(1){
key = keypad();
if(key){
LCD_Char(key);
delay_ms(50);
}
}
}
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stm32-bluepill
stm32-bluepill