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Commit of new class abstraction APIs for all device demos other than the MIDI demo - not documented yet.

Browse source 
Removed scheduler and memory allocation libraries.

Added new EVENT_USB_StartOfFrame event in the library to indicate the start of each USB frame (when generated).

Removed Tx interrupt from the USBtoSerial demo; now sends characters via polling to ensure more time for the Rx interrupt.
This commit is contained in:
Dean Camera 2009-06-01 11:03:39 +00:00
parent 2440ca268a
commit d1e5266036
106 changed files with 3072 additions and 5760 deletions
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371
Demos/Device/KeyboardMouse/KeyboardMouse.c
View file

@ -28,34 +28,52 @@
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Main source file for the KeyboardMouse demo. This file contains the main tasks of the demo and
* is responsible for the initial application hardware configuration.
*/
#include "KeyboardMouse.h"
/* Scheduler Task List */
TASK_LIST
{
{ .Task = USB_USBTask , .TaskStatus = TASK_STOP },
{ .Task = USB_Mouse , .TaskStatus = TASK_RUN },
{ .Task = USB_Keyboard , .TaskStatus = TASK_RUN },
};
USB_ClassInfo_HID_t Keyboard_HID_Interface =
{
.InterfaceNumber = 0,
/* Global Variables */
/** Global structure to hold the current keyboard interface HID report, for transmission to the host */
USB_KeyboardReport_Data_t KeyboardReportData;
.ReportINEndpointNumber = KEYBOARD_IN_EPNUM,
.ReportINEndpointSize = HID_EPSIZE,
/** Global structure to hold the current mouse interface HID report, for transmission to the host */
USB_MouseReport_Data_t MouseReportData;
.ReportOUTEndpointNumber = KEYBOARD_OUT_EPNUM,
.ReportOUTEndpointSize = HID_EPSIZE,
.ReportBufferSize = sizeof(USB_KeyboardReport_Data_t),
/** Main program entry point. This routine configures the hardware required by the application, then
* starts the scheduler to run the USB management task.
*/
.IdleCount = 500,
};
USB_ClassInfo_HID_t Mouse_HID_Interface =
{
.InterfaceNumber = 0,
.ReportINEndpointNumber = MOUSE_IN_EPNUM,
.ReportINEndpointSize = HID_EPSIZE,
.ReportBufferSize = sizeof(USB_MouseReport_Data_t),
.ReportOUTEndpointNumber = 0,
.ReportOUTEndpointSize = 0,
};
int main(void)
{
SetupHardware();
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
for (;;)
{
USB_HID_USBTask(&Keyboard_HID_Interface);
USB_HID_USBTask(&Mouse_HID_Interface);
USB_USBTask();
}
}
void SetupHardware()
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
@ -67,284 +85,111 @@ int main(void)
/* Hardware Initialization */
Joystick_Init();
LEDs_Init();
/* Indicate USB not ready */
UpdateStatus(Status_USBNotReady);
/* Initialize Scheduler so that it can be used */
Scheduler_Init();
/* Initialize USB Subsystem */
USB_Init();
/* Scheduling - routine never returns, so put this last in the main function */
Scheduler_Start();
USB_Init();
}
/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
* starts the library USB task to begin the enumeration and USB management process.
*/
void EVENT_USB_Connect(void)
{
/* Start USB management task */
Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);
/* Indicate USB enumerating */
UpdateStatus(Status_USBEnumerating);
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
}
/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via
* the status LEDs and stops the USB management task.
*/
void EVENT_USB_Disconnect(void)
{
/* Stop running HID reporting and USB management tasks */
Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);
/* Indicate USB not ready */
UpdateStatus(Status_USBNotReady);
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
}
/** Event handler for the USB_ConfigurationChanged event. This is fired when the host sets the current configuration
* of the USB device after enumeration, and configures the keyboard and mouse device endpoints.
*/
void EVENT_USB_ConfigurationChanged(void)
{
/* Setup Keyboard Report Endpoint */
Endpoint_ConfigureEndpoint(KEYBOARD_IN_EPNUM, EP_TYPE_INTERRUPT,
ENDPOINT_DIR_IN, HID_EPSIZE,
ENDPOINT_BANK_SINGLE);
LEDs_SetAllLEDs(LEDMASK_USB_READY);
/* Setup Keyboard LED Report Endpoint */
Endpoint_ConfigureEndpoint(KEYBOARD_OUT_EPNUM, EP_TYPE_INTERRUPT,
ENDPOINT_DIR_OUT, HID_EPSIZE,
ENDPOINT_BANK_SINGLE);
/* Setup Mouse Report Endpoint */
Endpoint_ConfigureEndpoint(MOUSE_IN_EPNUM, EP_TYPE_INTERRUPT,
ENDPOINT_DIR_IN, HID_EPSIZE,
ENDPOINT_BANK_SINGLE);
/* Indicate USB connected and ready */
UpdateStatus(Status_USBReady);
if (!(USB_HID_ConfigureEndpoints(&Keyboard_HID_Interface)))
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
if (!(USB_HID_ConfigureEndpoints(&Mouse_HID_Interface)))
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
* control requests that are not handled internally by the USB library (including the HID commands, which are
* all issued via the control endpoint), so that they can be handled appropriately for the application.
*/
void EVENT_USB_UnhandledControlPacket(void)
{
uint8_t* ReportData;
uint8_t ReportSize;
USB_HID_ProcessControlPacket(&Keyboard_HID_Interface);
USB_HID_ProcessControlPacket(&Mouse_HID_Interface);
}
/* Handle HID Class specific requests */
switch (USB_ControlRequest.bRequest)
void EVENT_USB_StartOfFrame(void)
{
USB_HID_RegisterStartOfFrame(&Keyboard_HID_Interface);
USB_HID_RegisterStartOfFrame(&Mouse_HID_Interface);
}
uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData)
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
if (HIDInterfaceInfo == &Keyboard_HID_Interface)
{
case REQ_GetReport:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
/* Determine if it is the mouse or the keyboard data that is being requested */
if (!(USB_ControlRequest.wIndex))
{
ReportData = (uint8_t*)&KeyboardReportData;
ReportSize = sizeof(KeyboardReportData);
}
else
{
ReportData = (uint8_t*)&MouseReportData;
ReportSize = sizeof(MouseReportData);
}
/* Write the report data to the control endpoint */
Endpoint_Write_Control_Stream_LE(ReportData, ReportSize);
/* Clear the report data afterwards */
memset(ReportData, 0, ReportSize);
/* Finalize the stream transfer to send the last packet or clear the host abort */
Endpoint_ClearOUT();
}
USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
/* If first board button not being held down, no keyboard report */
if (!(ButtonStatus_LCL & BUTTONS_BUTTON1))
return 0;
break;
case REQ_SetReport:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
/* Wait until the LED report has been sent by the host */
while (!(Endpoint_IsOUTReceived()));
/* Read in the LED report from the host */
uint8_t LEDStatus = Endpoint_Read_Byte();
uint8_t LEDMask = LEDS_LED2;
if (LEDStatus & 0x01) // NUM Lock
LEDMask |= LEDS_LED1;
if (LEDStatus & 0x02) // CAPS Lock
LEDMask |= LEDS_LED3;
if (LEDStatus & 0x04) // SCROLL Lock
LEDMask |= LEDS_LED4;
/* Set the status LEDs to the current HID LED status */
LEDs_SetAllLEDs(LEDMask);
/* Clear the endpoint data */
Endpoint_ClearOUT();
/* Acknowledge status stage */
while (!(Endpoint_IsINReady()));
Endpoint_ClearIN();
}
break;
}
}
/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to
* log to a serial port, or anything else that is suitable for status updates.
*
* \param CurrentStatus Current status of the system, from the KeyboardMouse_StatusCodes_t enum
*/
void UpdateStatus(uint8_t CurrentStatus)
{
uint8_t LEDMask = LEDS_NO_LEDS;
/* Set the LED mask to the appropriate LED mask based on the given status code */
switch (CurrentStatus)
{
case Status_USBNotReady:
LEDMask = (LEDS_LED1);
break;
case Status_USBEnumerating:
LEDMask = (LEDS_LED1 | LEDS_LED2);
break;
case Status_USBReady:
LEDMask = (LEDS_LED2 | LEDS_LED4);
break;
}
/* Set the board LEDs to the new LED mask */
LEDs_SetAllLEDs(LEDMask);
}
/** Keyboard task. This generates the next keyboard HID report for the host, and transmits it via the
* keyboard IN endpoint when the host is ready for more data. Additionally, it processes host LED status
* reports sent to the device via the keyboard OUT reporting endpoint.
*/
TASK(USB_Keyboard)
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
/* Check if board button is not pressed, if so mouse mode enabled */
if (!(Buttons_GetStatus() & BUTTONS_BUTTON1))
{
if (JoyStatus_LCL & JOY_UP)
KeyboardReportData.KeyCode[0] = 0x04; // A
KeyboardReport->KeyCode[0] = 0x04; // A
else if (JoyStatus_LCL & JOY_DOWN)
KeyboardReportData.KeyCode[0] = 0x05; // B
KeyboardReport->KeyCode[0] = 0x05; // B
if (JoyStatus_LCL & JOY_LEFT)
KeyboardReportData.KeyCode[0] = 0x06; // C
KeyboardReport->KeyCode[0] = 0x06; // C
else if (JoyStatus_LCL & JOY_RIGHT)
KeyboardReportData.KeyCode[0] = 0x07; // D
KeyboardReport->KeyCode[0] = 0x07; // D
if (JoyStatus_LCL & JOY_PRESS)
KeyboardReportData.KeyCode[0] = 0x08; // E
KeyboardReport->KeyCode[0] = 0x08; // E
return sizeof(USB_KeyboardReport_Data_t);
}
/* Check if the USB system is connected to a host and report protocol mode is enabled */
if (USB_IsConnected)
else
{
/* Select the Keyboard Report Endpoint */
Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);
USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData;
/* Check if Keyboard Endpoint Ready for Read/Write */
if (Endpoint_IsReadWriteAllowed())
{
/* Write Keyboard Report Data */
Endpoint_Write_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
/* Clear the report data afterwards */
memset(&KeyboardReportData, 0, sizeof(KeyboardReportData));
}
/* Select the Keyboard LED Report Endpoint */
Endpoint_SelectEndpoint(KEYBOARD_OUT_EPNUM);
/* Check if Keyboard LED Endpoint Ready for Read/Write */
if (Endpoint_IsReadWriteAllowed())
{
/* Read in the LED report from the host */
uint8_t LEDStatus = Endpoint_Read_Byte();
uint8_t LEDMask = LEDS_LED2;
if (LEDStatus & 0x01) // NUM Lock
LEDMask |= LEDS_LED1;
if (LEDStatus & 0x02) // CAPS Lock
LEDMask |= LEDS_LED3;
if (LEDStatus & 0x04) // SCROLL Lock
LEDMask |= LEDS_LED4;
/* Set the status LEDs to the current Keyboard LED status */
LEDs_SetAllLEDs(LEDMask);
/* Handshake the OUT Endpoint - clear endpoint and ready for next report */
Endpoint_ClearOUT();
}
}
}
/** Mouse task. This generates the next mouse HID report for the host, and transmits it via the
* mouse IN endpoint when the host is ready for more data.
*/
TASK(USB_Mouse)
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
/* Check if board button is pressed, if so mouse mode enabled */
if (Buttons_GetStatus() & BUTTONS_BUTTON1)
{
/* If first board button being held down, no mouse report */
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
return 0;
if (JoyStatus_LCL & JOY_UP)
MouseReportData.Y = 1;
MouseReport->Y = -1;
else if (JoyStatus_LCL & JOY_DOWN)
MouseReportData.Y = -1;
MouseReport->Y = 1;
if (JoyStatus_LCL & JOY_RIGHT)
MouseReportData.X = 1;
MouseReport->X = 1;
else if (JoyStatus_LCL & JOY_LEFT)
MouseReportData.X = -1;
MouseReport->X = -1;
if (JoyStatus_LCL & JOY_PRESS)
MouseReportData.Button = (1 << 0);
}
/* Check if the USB system is connected to a host and report protocol mode is enabled */
if (USB_IsConnected)
{
/* Select the Mouse Report Endpoint */
Endpoint_SelectEndpoint(MOUSE_IN_EPNUM);
/* Check if Mouse Endpoint Ready for Read/Write */
if (Endpoint_IsReadWriteAllowed())
{
/* Write Mouse Report Data */
Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData));
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
/* Clear the report data afterwards */
memset(&MouseReportData, 0, sizeof(MouseReportData));
}
MouseReport->Button = (1 << 0);
return sizeof(USB_MouseReport_Data_t);
}
}
void CALLBACK_USB_HID_ProcessReceivedHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData, uint16_t ReportSize)
{
if (HIDInterfaceInfo == &Keyboard_HID_Interface)
{
uint8_t LEDMask = LEDS_NO_LEDS;
uint8_t* LEDReport = (uint8_t*)ReportData;
if (*LEDReport & 0x01) // NUM Lock
LEDMask |= LEDS_LED1;
if (*LEDReport & 0x02) // CAPS Lock
LEDMask |= LEDS_LED3;
if (*LEDReport & 0x04) // SCROLL Lock
LEDMask |= LEDS_LED4;
LEDs_SetAllLEDs(LEDMask);
}
}