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Converted device mode low-level demos to schedulerless.

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This commit is contained in:
Dean Camera 2009-06-07 07:20:33 +00:00
parent 2793c88fc6
commit 33a0184749
44 changed files with 590 additions and 1134 deletions
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115
Demos/Device/LowLevel/CDC/CDC.c
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@ -36,13 +36,6 @@
#include "CDC.h"
/* Scheduler Task List */
TASK_LIST
{
{ .Task = USB_USBTask , .TaskStatus = TASK_STOP },
{ .Task = CDC_Task , .TaskStatus = TASK_STOP },
};
/* Globals: */
/** Contains the current baud rate and other settings of the virtual serial port. While this demo does not use
* the physical USART and thus does not use these settings, they must still be retained and returned to the host
@ -57,25 +50,24 @@ CDC_Line_Coding_t LineCoding = { .BaudRateBPS = 9600,
.ParityType = Parity_None,
.DataBits = 8 };
/** String to print through the virtual serial port when the joystick is pressed upwards. */
char JoystickUpString[] = "Joystick Up\r\n";
/** String to print through the virtual serial port when the joystick is pressed downward. */
char JoystickDownString[] = "Joystick Down\r\n";
/** String to print through the virtual serial port when the joystick is pressed left. */
char JoystickLeftString[] = "Joystick Left\r\n";
/** String to print through the virtual serial port when the joystick is pressed right. */
char JoystickRightString[] = "Joystick Right\r\n";
/** String to print through the virtual serial port when the joystick is pressed inwards. */
char JoystickPressedString[] = "Joystick Pressed\r\n";
/** Main program entry point. This routine configures the hardware required by the application, then
* starts the scheduler to run the application tasks.
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
for (;;)
{
CDC_Task();
USB_USBTask();
}
}
/** Configures the board hardware and chip peripherals for the demo's functionality. */
void SetupHardware(void)
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
@ -87,18 +79,7 @@ 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();
}
/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
@ -106,11 +87,8 @@ int main(void)
*/
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
@ -118,12 +96,8 @@ void EVENT_USB_Connect(void)
*/
void EVENT_USB_Disconnect(void)
{
/* Stop running CDC and USB management tasks */
Scheduler_SetTaskMode(CDC_Task, TASK_STOP);
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 set the current configuration
@ -145,10 +119,7 @@ void EVENT_USB_ConfigurationChanged(void)
ENDPOINT_BANK_SINGLE);
/* Indicate USB connected and ready */
UpdateStatus(Status_USBReady);
/* Start CDC task */
Scheduler_SetTaskMode(CDC_Task, TASK_RUN);
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
@ -210,39 +181,21 @@ void EVENT_USB_UnhandledControlPacket(void)
}
}
/** 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 CDC_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);
}
/** Function to manage CDC data transmission and reception to and from the host. */
TASK(CDC_Task)
void CDC_Task(void)
{
char* ReportString = NULL;
uint8_t JoyStatus_LCL = Joystick_GetStatus();
static bool ActionSent = false;
char* JoystickStrings[] =
{
"Joystick Up\r\n",
"Joystick Down\r\n",
"Joystick Left\r\n",
"Joystick Right\r\n",
"Joystick Pressed\r\n",
};
#if 0
/* NOTE: Here you can use the notification endpoint to send back line state changes to the host, for the special RS-232
@ -269,15 +222,15 @@ TASK(CDC_Task)
/* Determine if a joystick action has occurred */
if (JoyStatus_LCL & JOY_UP)
ReportString = JoystickUpString;
ReportString = JoystickStrings[0];
else if (JoyStatus_LCL & JOY_DOWN)
ReportString = JoystickDownString;
ReportString = JoystickStrings[1];
else if (JoyStatus_LCL & JOY_LEFT)
ReportString = JoystickLeftString;
ReportString = JoystickStrings[2];
else if (JoyStatus_LCL & JOY_RIGHT)
ReportString = JoystickRightString;
ReportString = JoystickStrings[3];
else if (JoyStatus_LCL & JOY_PRESS)
ReportString = JoystickPressedString;
ReportString = JoystickStrings[4];
/* Flag management - Only allow one string to be sent per action */
if (ReportString == NULL)