[feat][examples/cxx] add cxx basic demo
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examples/cxx/CMakeLists.txt
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7
examples/cxx/CMakeLists.txt
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set(BSP_COMMON_DIR ${CMAKE_SOURCE_DIR}/bsp/bsp_common)
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set(TARGET_REQUIRED_SRCS ${BSP_COMMON_DIR}/platform/cpp_new.cpp)
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set(mains main.cc)
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generate_bin()
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136
examples/cxx/main.cc
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examples/cxx/main.cc
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/**
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* @file main.c
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* @brief
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*
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* Copyright (c) 2021 Bouffalolab team
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "hal_uart.h"
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#include "hal_mtimer.h"
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#include <iostream>
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class Shape {
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protected:
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int width, height;
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public:
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Shape(int a = 0, int b = 0)
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{
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width = a;
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height = b;
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}
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virtual int area()
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{
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bflb_platform_printf((char*)"this is Shape class area\r\n");
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return 0;
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}
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};
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class Rectangle : public Shape {
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public:
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Rectangle(int a = 0, int b = 0)
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: Shape(a, b)
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{
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}
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int area()
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{
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bflb_platform_printf((char*)"this is Rectangle class area\r\n");
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return (width * height);
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}
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};
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class Triangle : public Shape {
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public:
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Triangle(int a = 0, int b = 0)
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: Shape(a, b)
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{
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}
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int area()
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{
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bflb_platform_printf((char*)"this is Triangle class area\r\n");
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return (width * height / 2);
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}
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};
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class Box {
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public:
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Box()
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{
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bflb_platform_printf((char*)"Calling the constructor func\r\n");
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}
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~Box()
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{
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bflb_platform_printf((char*)"Calling the destructor func\r\n");
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}
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};
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int main(void)
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{
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uint32_t a=0;
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bflb_platform_init(0);
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a = mtimer_get_time_us();
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/*polymorphic test*/
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Shape *shape;
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Rectangle rec(10, 7);
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Triangle tri(10, 5);
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shape = &rec;
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shape->area();
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shape = &tri;
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shape->area();
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/*new and delete test*/
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int **p;
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int i, j; //p[4][8]
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p = new int *[4];
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for (i = 0; i < 4; i++) {
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p[i] = new int[8];
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}
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for (i = 0; i < 4; i++) {
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for (j = 0; j < 8; j++) {
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p[i][j] = j * i;
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}
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}
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for (i = 0; i < 4; i++) {
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for (j = 0; j < 8; j++) {
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if (j == 0)
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bflb_platform_printf((char*)"\r\n");
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bflb_platform_printf("%d ", p[i][j]);
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}
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}
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bflb_platform_printf((char*)"\r\n");
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for (i = 0; i < 4; i++) {
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delete[] p[i];
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}
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delete[] p;
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Box *myBoxArray = new Box[4];
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delete[] myBoxArray;
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bflb_platform_printf((char*)"box address %d\r\n",myBoxArray);
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BL_CASE_SUCCESS;
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while (1) {
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bflb_platform_delay_ms(100);
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}
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}
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