add new
commit
ca8c0baf24
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@ -0,0 +1,5 @@
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.pio
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.vscode/.browse.c_cpp.db*
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.vscode/c_cpp_properties.json
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.vscode/launch.json
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.vscode/ipch
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{
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// See http://go.microsoft.com/fwlink/?LinkId=827846
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// for the documentation about the extensions.json format
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"recommendations": [
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"platformio.platformio-ide"
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],
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"unwantedRecommendations": [
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"ms-vscode.cpptools-extension-pack"
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]
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}
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This directory is intended for project header files.
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A header file is a file containing C declarations and macro definitions
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to be shared between several project source files. You request the use of a
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header file in your project source file (C, C++, etc) located in `src` folder
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by including it, with the C preprocessing directive `#include'.
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```src/main.c
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#include "header.h"
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int main (void)
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{
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...
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}
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```
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Including a header file produces the same results as copying the header file
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into each source file that needs it. Such copying would be time-consuming
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and error-prone. With a header file, the related declarations appear
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in only one place. If they need to be changed, they can be changed in one
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place, and programs that include the header file will automatically use the
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new version when next recompiled. The header file eliminates the labor of
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finding and changing all the copies as well as the risk that a failure to
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find one copy will result in inconsistencies within a program.
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In C, the usual convention is to give header files names that end with `.h'.
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It is most portable to use only letters, digits, dashes, and underscores in
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header file names, and at most one dot.
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Read more about using header files in official GCC documentation:
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* Include Syntax
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* Include Operation
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* Once-Only Headers
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* Computed Includes
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https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html
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This directory is intended for project specific (private) libraries.
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PlatformIO will compile them to static libraries and link into executable file.
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The source code of each library should be placed in an own separate directory
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("lib/your_library_name/[here are source files]").
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For example, see a structure of the following two libraries `Foo` and `Bar`:
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|--lib
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| |
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| |--Bar
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| | |--docs
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| | |--examples
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| | |--src
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| | |- Bar.c
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| | |- Bar.h
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| | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
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| |
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| |--Foo
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| | |- Foo.c
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| | |- Foo.h
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| |
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| |- README --> THIS FILE
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|
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|- platformio.ini
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|--src
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|- main.c
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and a contents of `src/main.c`:
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```
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#include <Foo.h>
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#include <Bar.h>
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int main (void)
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{
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...
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}
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```
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PlatformIO Library Dependency Finder will find automatically dependent
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libraries scanning project source files.
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More information about PlatformIO Library Dependency Finder
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- https://docs.platformio.org/page/librarymanager/ldf.html
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; PlatformIO Project Configuration File
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;
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; Build options: build flags, source filter
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; Upload options: custom upload port, speed and extra flags
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; Library options: dependencies, extra library storages
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; Advanced options: extra scripting
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;
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; Please visit documentation for the other options and examples
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; https://docs.platformio.org/page/projectconf.html
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[env:nodemcu-32s]
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platform = espressif32
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board = nodemcu-32s
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board_build.mcu = esp32
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framework = arduino
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monitor_speed = 115200
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#include <HardwareSerial.h>
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const int bufferSize = 1024; // Kích thước bộ đệm tùy chỉnh
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uint8_t buffer[bufferSize];
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int bufferIndex = 0;
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int numRows = 0;
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int numCols = 0;
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const int floatSize = sizeof(float);
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void setup() {
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Serial.begin(115200); // Đảm bảo baud rate khớp với baud rate của Python
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}
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void loop() {
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while (Serial.available() > 0) {
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uint8_t byteReceived = Serial.read();
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if (bufferIndex < bufferSize) {
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buffer[bufferIndex++] = byteReceived;
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} else {
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// Xử lý tình huống quá tải
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Serial.println("Buffer overflow");
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bufferIndex = 0; // Reset buffer index in case of overflow
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}
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}
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// if (bufferIndex > 0) {
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// // Đã nhận dữ liệu
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// Serial.println("Data received:");
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// for (int i = 0; i < bufferIndex; ++i) {
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// Serial.print(buffer[i]);
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// Serial.print(" ");
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// }
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// Serial.println();
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// // Reset chỉ số chỉ mục sau khi xử lý
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// bufferIndex = 0;
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// }
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// if (bufferIndex > 0) {
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// Đã nhận dữ liệu
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// Serial.println("Data received:");
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// int numFloats = bufferIndex / sizeof(float);
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// for (int i = 0; i < numFloats; ++i) {
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// float value;
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// memcpy(&value, &buffer[i * sizeof(float)], sizeof(float));
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// Serial.print(value, 4); // In với 4 chữ số thập phân
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// Serial.print(" ");
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// }
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// Serial.println();
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// Reset chỉ số chỉ mục sau khi xử lý
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// bufferIndex = 0;
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// }
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if (bufferIndex >= 2 * sizeof(int)) {
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// Đã nhận đủ kích thước dữ liệu
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memcpy(&numRows, buffer, sizeof(int));
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memcpy(&numCols, buffer + sizeof(int), sizeof(int));
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int expectedSize = numRows * numCols * floatSize;
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if (bufferIndex >= (2 * sizeof(int) + expectedSize)) {
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Serial.println("Data received:");
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float data[numRows][numCols];
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for (int row = 0; row < numRows; ++row) {
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for (int col = 0; col < numCols; ++col) {
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int index = (2 * sizeof(int)) + (row * numCols + col) * floatSize;
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float value;
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memcpy(&value, &buffer[index], floatSize);
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data[row][col] = value;
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Serial.print(value, 4); // In với 4 chữ số thập phân
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Serial.print(" ");
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}
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Serial.println();
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}
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|
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// Reset chỉ số chỉ mục sau khi xử lý
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bufferIndex = 0;
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}
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}
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}
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@ -0,0 +1,11 @@
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|
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This directory is intended for PlatformIO Test Runner and project tests.
|
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|
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Unit Testing is a software testing method by which individual units of
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source code, sets of one or more MCU program modules together with associated
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control data, usage procedures, and operating procedures, are tested to
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determine whether they are fit for use. Unit testing finds problems early
|
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in the development cycle.
|
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|
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More information about PlatformIO Unit Testing:
|
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- https://docs.platformio.org/en/latest/advanced/unit-testing/index.html
|
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Reference in New Issue