作者：陈广
日期：2022-1-24
#include "usart.h"
/* USER CODE BEGIN 0 */
#include "tim.h"
/* USER CODE END 0 */
/* USART1 init function */
void MX_USART1_UART_Init(void)
{
/* USER CODE BEGIN USART1_Init 0 */
/* USER CODE END USART1_Init 0 */
LL_USART_InitTypeDef USART_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
/* Peripheral clock enable */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
/**USART1 GPIO Configuration
PA9 ------> USART1_TX
PA10 ------> USART1_RX
*/
GPIO_InitStruct.Pin = LL_GPIO_PIN_9;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = LL_GPIO_PIN_10;
GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USART1 interrupt Init */
NVIC_SetPriority(USART1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
NVIC_EnableIRQ(USART1_IRQn);
USART_InitStruct.BaudRate = 115200;
USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
USART_InitStruct.Parity = LL_USART_PARITY_NONE;
USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
LL_USART_Init(USART1, &USART_InitStruct);
LL_USART_ConfigAsyncMode(USART1);
LL_USART_Enable(USART1);
/* USER CODE BEGIN USART1_Init 2 */
LL_USART_EnableIT_RXNE(USART1);
/* USER CODE END USART1_Init 2 */
}
volatile uint8_t buff[4];
volatile int cnt = 0;
/* USER CODE BEGIN 1 */
void USART1_IRQHandler(void)
{
if(LL_USART_IsEnabledIT_RXNE(USART1))
{
uint8_t ch = LL_USART_ReceiveData8(USART1);
if(cnt == 0 && ch != 0x81) return;
buff[cnt++] = ch;
if(cnt == 4)
{
Set_Color(buff[1], buff[2], buff[3]);
cnt = 0;
}
}
}
/* USER CODE END 1 */
<Window x:Class="RGB.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:RGB"
mc:Ignorable="d"
Title="MainWindow" Height="246" Width="594" Loaded="Window_Loaded">
<Grid Margin="5,5,5,2">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="80"/>
<ColumnDefinition Width="35"/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="95"/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition Height="20"/>
</Grid.RowDefinitions>
<StackPanel Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2" Margin="5">
<Label Content="请选择一个串口：" />
<ComboBox x:Name="cbSerialPort" Margin="0,5,0,0"/>
<Button x:Name="btnOpenCom" Content="打开串口" Margin="0,5,0,0" Click="btnOpenCom_Click"/>
</StackPanel>
<Label x:Name="lblMix" Grid.Row="0" Grid.Column="2" Margin="5" Background="Black"/>
<Label x:Name="lblRed" Grid.Row="1" Grid.Column="0" Margin="5" Background="Red"/>
<Label x:Name="lblGreen" Grid.Row="2" Grid.Column="0" Margin="5" Background="Green"/>
<Label x:Name="lblBlue" Grid.Row="3" Grid.Column="0" Margin="5" Background="Blue"/>
<Label x:Name="lblRedVal" Grid.Row="1" Grid.Column="1" Content="255" VerticalAlignment="Center"/>
<Label x:Name="lblGreenVal" Grid.Row="2" Grid.Column="1" Content="255" VerticalAlignment="Center"/>
<Label x:Name="lblBlueVal" Grid.Row="3" Grid.Column="1" Content="255" VerticalAlignment="Center"/>
<Slider x:Name="sliderRed" Grid.Row="1" Grid.Column="2" Margin="5" Maximum="255"
Value="255" VerticalAlignment="Center" ValueChanged="sliderRed_ValueChanged"/>
<Slider x:Name="sliderGreen" Grid.Row="2" Grid.Column="2" Margin="5" Maximum="255"
Value="255" VerticalAlignment="Center" ValueChanged="sliderGreen_ValueChanged"/>
<Slider x:Name="sliderBlue" Grid.Row="3" Grid.Column="2" Margin="5" Maximum="255"
Value="255" VerticalAlignment="Center" ValueChanged="sliderBlue_ValueChanged"/>
<StatusBar Grid.Row="4" Grid.Column="0" Grid.ColumnSpan="3">
<TextBlock x:Name="tbMsg"/>
</StatusBar>
</Grid>
</Window>
using System;
using System.IO.Ports;
using System.Windows;
using System.Windows.Media;
namespace RGB
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
SerialPort com = new SerialPort();
private void Window_Loaded(object sender, RoutedEventArgs e)
{
foreach (string port in SerialPort.GetPortNames())
{
cbSerialPort.Items.Add(port);
}
if (cbSerialPort.Items.Count > 1 && cbSerialPort.Items[0].ToString() == "COM1")
{
cbSerialPort.SelectedIndex = 1;
}
}
private void btnOpenCom_Click(object sender, RoutedEventArgs e)
{
com.PortName = cbSerialPort.Text;
com.BaudRate = 115200;
try
{
com.Open();
}
catch (Exception ex)
{
tbMsg.Text = ex.Message;
}
tbMsg.Text = "串口：" + cbSerialPort.Text + "打开成功！";
}
private void sliderRed_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
{
lblRed.Background = new SolidColorBrush(Color.FromRgb((byte)sliderRed.Value, 0, 0));
lblRedVal.Content = (byte)sliderRed.Value;
SendColor();
}
private void sliderGreen_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
{
lblGreen.Background = new SolidColorBrush(Color.FromRgb(0, (byte)sliderGreen.Value, 0));
lblGreenVal.Content = (byte)sliderGreen.Value;
SendColor();
}
private void sliderBlue_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
{
lblBlue.Background = new SolidColorBrush(Color.FromRgb(0, 0, (byte)sliderBlue.Value));
lblBlueVal.Content = (byte)sliderBlue.Value;
SendColor();
}
private void SendColor()
{
if (sliderRed != null && sliderGreen != null && sliderBlue != null)
{
lblMix.Background = new SolidColorBrush(Color.FromRgb((byte)sliderRed.Value,
(byte)sliderGreen.Value, (byte)sliderBlue.Value));
}
if(com.IsOpen)
{
byte[] buff = { 0x81, 0, 0, 0 };
buff[1]=(byte)sliderRed.Value;
buff[2]=(byte)sliderGreen.Value;
buff[3]=(byte)sliderBlue.Value;
com.Write(buff,0, buff.Length);
}
}
}
}