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Enhance the HotmailNotifier project so that the LEDs' individual brightness can be controlled individually via software PWM.

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This commit is contained in:
Dean Camera 2009-12-18 04:40:15 +00:00
parent 2cab8f0725
commit 3d6508c9b9
6 changed files with 125 additions and 26 deletions
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64
Projects/HotmailNotifier/HotmailNotifier.c
View file

@ -60,6 +60,39 @@ USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
},
};
/** Counter for the software PWM */
static volatile uint8_t SoftPWM_Count;
/** Duty cycle for the first software PWM channel */
static volatile uint8_t SoftPWM_Channel1_Duty;
/** Duty cycle for the second software PWM channel */
static volatile uint8_t SoftPWM_Channel2_Duty;
/** Duty cycle for the third software PWM channel */
static volatile uint8_t SoftPWM_Channel3_Duty;
/** Interrupt handler for managing the software PWM channels for the LEDs */
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
{
uint8_t LEDMask = LEDS_ALL_LEDS;
if (++SoftPWM_Count == 0x1F)
SoftPWM_Count = 0;
if (SoftPWM_Count >= SoftPWM_Channel1_Duty)
LEDMask &= ~LEDS_LED1;
if (SoftPWM_Count >= SoftPWM_Channel2_Duty)
LEDMask &= ~LEDS_LED2;
if (SoftPWM_Count >= SoftPWM_Channel3_Duty)
LEDMask &= ~LEDS_LED3;
LEDs_SetAllLEDs(LEDMask);
}
/** Standard file stream for the CDC interface when set up, so that the virtual CDC COM port can be
* used like any regular character stream in the C APIs
*/
@ -77,11 +110,21 @@ int main(void)
for (;;)
{
/* Read next character - if a '1' turn on red led, if a '0' turn on green LED */
if (fgetc(&USBSerialStream) == '1')
LEDs_SetAllLEDs(LEDS_LED3);
else
LEDs_SetAllLEDs(LEDS_LED2);
/* Read in next LED colour command from the host */
uint8_t ColorUpdate = fgetc(&USBSerialStream);
/* Top 3 bits select the LED, bottom three control the brightness */
uint8_t Channel = (ColorUpdate & 0b11100000);
uint8_t Duty = (ColorUpdate & 0b00011111);
if (Channel & (1 << 5))
SoftPWM_Channel1_Duty = Duty;
if (Channel & (1 << 6))
SoftPWM_Channel2_Duty = Duty;
if (Channel & (1 << 7))
SoftPWM_Channel3_Duty = Duty;
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
@ -101,15 +144,18 @@ void SetupHardware(void)
/* Hardware Initialization */
LEDs_Init();
USB_Init();
/* Timer Initialization */
OCR0A = 100;
TCCR0A = (1 << WGM01);
TCCR0B = (1 << CS00);
TIMSK0 = (1 << OCIE0A);
}
/** Event handler for the library USB Configuration Changed event. */
void EVENT_USB_Device_ConfigurationChanged(void)
{
LEDs_SetAllLEDs(LEDS_ALL_LEDS);
if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface)))
LEDs_SetAllLEDs(LEDS_LED1 | LEDS_LED3);
CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
}
/** Event handler for the library USB Unhandled Control Request event. */

44
Projects/HotmailNotifier/WindowsApp/MailNotifier.cs
View file

@ -12,18 +12,20 @@ namespace TestWinForms
public partial class MailNotifier : Form
{
private MessengerAPI.Messenger Messenger;
private RegistryKey AppRegKey;
private RegistryKey AppRegKey;
private const int LIGHT_MAX = 0x1F;
public MailNotifier()
{
InitializeComponent();
Messenger = new MessengerAPI.Messenger();
AppRegKey = Registry.CurrentUser.CreateSubKey("Software\\MailNotifier");
AppRegKey = Registry.CurrentUser.CreateSubKey("Software\\MailNotifier");
for (int i = 1; i < 99; i++)
cmbComPort.Items.Add("COM" + i.ToString());
cmbComPort.SelectedIndex = System.Convert.ToInt32(AppRegKey.GetValue("Port", "1")) - 1;
serSerialPort.PortName = cmbComPort.Text;
@ -34,7 +36,9 @@ namespace TestWinForms
private void MailNotifier_Load(object sender, EventArgs e)
{
Messenger.OnUnreadEmailChange += new MessengerAPI.DMessengerEvents_OnUnreadEmailChangeEventHandler(NewEmail);
NotifyLight(Messenger.get_UnreadEmailCount(MessengerAPI.MUAFOLDER.MUAFOLDER_INBOX) > 0);
bool UnreadMail = (Messenger.get_UnreadEmailCount(MessengerAPI.MUAFOLDER.MUAFOLDER_INBOX) > 0);
NotifyLight((!UnreadMail ? LIGHT_MAX : 0), (UnreadMail ? LIGHT_MAX : 0), 0);
Hide();
}
@ -48,18 +52,23 @@ namespace TestWinForms
private void NewEmail(MessengerAPI.MUAFOLDER folder, int amount, ref bool enableDefault)
{
if (folder == MessengerAPI.MUAFOLDER.MUAFOLDER_INBOX)
NotifyLight(amount > 0);
{
bool UnreadMail = (Messenger.get_UnreadEmailCount(MessengerAPI.MUAFOLDER.MUAFOLDER_INBOX) > 0);
NotifyLight((!UnreadMail ? LIGHT_MAX : 0), (UnreadMail ? LIGHT_MAX : 0), 0);
}
}
private void NotifyLight(bool ShowGreen)
private void NotifyLight(int Red, int Green, int Blue)
{
char[] buffer = new char[1];
buffer[0] = ShowGreen ? '0' : '1';
byte[] buffer = new byte[3];
buffer[0] = (byte)(0x80 | (Red & LIGHT_MAX));
buffer[1] = (byte)(0x40 | (Green & LIGHT_MAX));
buffer[2] = (byte)(0x20 | (Blue & LIGHT_MAX));
try
{
serSerialPort.Open();
serSerialPort.Write(buffer, 0, 1);
serSerialPort.Write(buffer, 0, buffer.Length);
serSerialPort.Close();
}
catch (Exception e)
@ -78,15 +87,20 @@ namespace TestWinForms
AppRegKey.SetValue("Port", cmbComPort.SelectedIndex + 1);
serSerialPort.PortName = cmbComPort.Text;
for (int i = 0; i < 5; i++)
for (int i = 1; i < 10; i++)
{
NotifyLight(true);
System.Threading.Thread.Sleep(20);
NotifyLight(false);
System.Threading.Thread.Sleep(20);
NotifyLight((LIGHT_MAX / i), (LIGHT_MAX / (i * 10)), 0);
System.Threading.Thread.Sleep(10);
}
NotifyLight(Messenger.get_UnreadEmailCount(MessengerAPI.MUAFOLDER.MUAFOLDER_INBOX) > 0);
for (int i = 10; i > 0; i--)
{
NotifyLight((LIGHT_MAX / i), (LIGHT_MAX / (i * 10)), 0);
System.Threading.Thread.Sleep(10);
}
bool UnreadMail = (Messenger.get_UnreadEmailCount(MessengerAPI.MUAFOLDER.MUAFOLDER_INBOX) > 0);
NotifyLight((!UnreadMail ? LIGHT_MAX : 0), (UnreadMail ? LIGHT_MAX : 0), 0);
}
private void btnMinimize_Click(object sender, EventArgs e)