diff options
Diffstat (limited to 'Demos/Device/LowLevel/DualCDC/DualCDC.c')
| -rw-r--r-- | Demos/Device/LowLevel/DualCDC/DualCDC.c | 115 |
1 files changed, 32 insertions, 83 deletions
diff --git a/Demos/Device/LowLevel/DualCDC/DualCDC.c b/Demos/Device/LowLevel/DualCDC/DualCDC.c index 34d772ff0..839d6d98e 100644 --- a/Demos/Device/LowLevel/DualCDC/DualCDC.c +++ b/Demos/Device/LowLevel/DualCDC/DualCDC.c @@ -36,14 +36,6 @@ #include "DualCDC.h"
-/* Scheduler Task List */
-TASK_LIST
-{
- { .Task = USB_USBTask , .TaskStatus = TASK_STOP },
- { .Task = CDC1_Task , .TaskStatus = TASK_STOP },
- { .Task = CDC2_Task , .TaskStatus = TASK_STOP },
-};
-
/* Globals: */
/** Contains the current baud rate and other settings of the first 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
@@ -70,27 +62,25 @@ CDC_Line_Coding_t LineCoding2 = { .BaudRateBPS = 9600, .CharFormat = OneStopBit,
.ParityType = Parity_None,
.DataBits = 8 };
-
-/** String to print through the first virtual serial port when the joystick is pressed upwards. */
-char JoystickUpString[] = "Joystick Up\r\n";
-
-/** String to print through the first virtual serial port when the joystick is pressed downward. */
-char JoystickDownString[] = "Joystick Down\r\n";
-
-/** String to print through the first virtual serial port when the joystick is pressed left. */
-char JoystickLeftString[] = "Joystick Left\r\n";
-
-/** String to print through the first virtual serial port when the joystick is pressed right. */
-char JoystickRightString[] = "Joystick Right\r\n";
-
-/** String to print through the first 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.
*/
int main(void)
{
+ SetupHardware();
+
+ for (;;)
+ {
+ CDC1_Task();
+ CDC2_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);
wdt_disable();
@@ -101,18 +91,7 @@ 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
@@ -120,11 +99,8 @@ 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
@@ -132,13 +108,8 @@ void EVENT_USB_Connect(void) */
void EVENT_USB_Disconnect(void)
{
- /* Stop running CDC and USB management tasks */
- Scheduler_SetTaskMode(CDC1_Task, TASK_STOP);
- Scheduler_SetTaskMode(CDC2_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
@@ -173,11 +144,7 @@ void EVENT_USB_ConfigurationChanged(void) ENDPOINT_BANK_SINGLE);
/* Indicate USB connected and ready */
- UpdateStatus(Status_USBReady);
-
- /* Start CDC tasks */
- Scheduler_SetTaskMode(CDC1_Task, TASK_RUN);
- Scheduler_SetTaskMode(CDC2_Task, TASK_RUN);
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
@@ -235,53 +202,35 @@ 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 DualCDC_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 for the first CDC interface, which sends joystick
* movements to the host as ASCII strings.
*/
-TASK(CDC1_Task)
+void CDC1_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",
+ };
+
/* 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)
@@ -319,7 +268,7 @@ TASK(CDC1_Task) /** Function to manage CDC data transmission and reception to and from the host for the second CDC interface, which echoes back
* all data sent to it from the host.
*/
-TASK(CDC2_Task)
+void CDC2_Task(void)
{
/* Select the Serial Rx Endpoint */
Endpoint_SelectEndpoint(CDC2_RX_EPNUM);
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