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Combined Keyboad and Mouse normal and interrupt driven host demos into unified Keyboard and Mouse host demos.

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This commit is contained in:
Dean Camera 2009-03-20 05:39:15 +00:00
parent ee7bd5685e
commit ecf7538430
29 changed files with 200 additions and 5930 deletions
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118
Demos/KeyboardHost/KeyboardHost.c
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@ -176,6 +176,56 @@ void UpdateStatus(uint8_t CurrentStatus)
LEDs_SetAllLEDs(LEDMask);
}
/** Reads in and processes the next report from the attached device, displaying the report
* contents on the board LEDs and via the serial port.
*/
void ReadNextReport(void)
{
USB_KeyboardReport_Data_t KeyboardReport;
/* Select the keyboard report data in pipe */
Pipe_SelectPipe(KEYBOARD_DATAPIPE);
/* Ensure pipe contains data and is ready to be read before continuing */
if (!(Pipe_ReadWriteAllowed()))
return;
/* Read in keyboard report data */
Pipe_Read_Stream_LE(&KeyboardReport, sizeof(KeyboardReport));
/* Clear the IN endpoint, ready for next data packet */
Pipe_ClearCurrentBank();
/* Indicate if the modifier byte is non-zero (special key such as shift is being pressed) */
LEDs_ChangeLEDs(LEDS_LED1, (KeyboardReport.Modifier) ? LEDS_LED1 : 0);
/* Check if a key has been pressed */
if (KeyboardReport.KeyCode)
{
/* Toggle status LED to indicate keypress */
if (LEDs_GetLEDs() & LEDS_LED2)
LEDs_TurnOffLEDs(LEDS_LED2);
else
LEDs_TurnOnLEDs(LEDS_LED2);
char PressedKey = 0;
/* Retrieve pressed key character if alphanumeric */
if ((KeyboardReport.KeyCode >= 0x04) && (KeyboardReport.KeyCode <= 0x1D))
PressedKey = (KeyboardReport.KeyCode - 0x04) + 'A';
else if ((KeyboardReport.KeyCode >= 0x1E) && (KeyboardReport.KeyCode <= 0x27))
PressedKey = (KeyboardReport.KeyCode - 0x1E) + '0';
else if (KeyboardReport.KeyCode == 0x2C)
PressedKey = ' ';
else if (KeyboardReport.KeyCode == 0x28)
PressedKey = '\n';
/* Print the pressed key character out through the serial port if valid */
if (PressedKey)
putchar(PressedKey);
}
}
/** Task to set the configuration of the attached device after it has been enumerated, and to read and process
* HID reports from the device and display the results onto the board LEDs.
*/
@ -261,54 +311,44 @@ TASK(USB_Keyboard_Host)
USB_HostState = HOST_STATE_Ready;
break;
#if !defined(INTERRUPT_DATA_PIPE)
case HOST_STATE_Ready:
/* Select and unfreeze keyboard data pipe */
Pipe_SelectPipe(KEYBOARD_DATAPIPE);
Pipe_Unfreeze();
/* Check if data has been received from the attached keyboard */
/* If a report has been received, read and process it */
if (Pipe_ReadWriteAllowed())
{
USB_KeyboardReport_Data_t KeyboardReport;
/* Read in keyboard report data */
Pipe_Read_Stream_LE(&KeyboardReport, sizeof(KeyboardReport));
/* Clear the IN endpoint, ready for next data packet */
Pipe_ClearCurrentBank();
/* Indicate if the modifier byte is non-zero */
LEDs_ChangeLEDs(LEDS_LED1, (KeyboardReport.Modifier) ? LEDS_LED1 : 0);
/* Check if a key has been pressed */
if (KeyboardReport.KeyCode)
{
/* Toggle status LED to indicate keypress */
if (LEDs_GetLEDs() & LEDS_LED2)
LEDs_TurnOffLEDs(LEDS_LED2);
else
LEDs_TurnOnLEDs(LEDS_LED2);
char PressedKey = 0;
/* Retrieve pressed key character if alphanumeric */
if ((KeyboardReport.KeyCode >= 0x04) && (KeyboardReport.KeyCode <= 0x1D))
PressedKey = (KeyboardReport.KeyCode - 0x04) + 'A';
else if ((KeyboardReport.KeyCode >= 0x1E) && (KeyboardReport.KeyCode <= 0x27))
PressedKey = (KeyboardReport.KeyCode - 0x1E) + '0';
else if (KeyboardReport.KeyCode == 0x2C)
PressedKey = ' ';
else if (KeyboardReport.KeyCode == 0x28)
PressedKey = '\n';
/* Print the pressed key character out through the serial port if valid */
if (PressedKey)
putchar(PressedKey);
}
}
ReadNextReport();
/* Freeze keyboard data pipe */
Pipe_Freeze();
break;
#endif
}
}
#if defined(INTERRUPT_DATA_PIPE)
/** Interrupt handler for the Endpoint/Pipe interrupt vector. This interrupt fires each time an enabled
* pipe interrupt occurs on a pipe which has had that interrupt enabled.
*/
ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)
{
/* Check to see if the keyboard data pipe has caused the interrupt */
if (Pipe_HasPipeInterrupted(KEYBOARD_DATAPIPE))
{
/* Clear the pipe interrupt, and select the keyboard pipe */
Pipe_ClearPipeInterrupt(KEYBOARD_DATAPIPE);
Pipe_SelectPipe(KEYBOARD_DATAPIPE);
/* Check to see if the pipe IN interrupt has fired */
if (USB_INT_HasOccurred(PIPE_INT_IN) && USB_INT_IsEnabled(PIPE_INT_IN))
{
/* Clear interrupt flag */
USB_INT_Clear(PIPE_INT_IN);
/* Read and process the next report from the device */
ReadNextReport();
}
}
#endif