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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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106
Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c
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@ -36,19 +36,32 @@
#include "RNDISEthernet.h"
/* Scheduler Task List */
TASK_LIST
{
{ .Task = USB_USBTask , .TaskStatus = TASK_STOP },
{ .Task = Ethernet_Task , .TaskStatus = TASK_STOP },
{ .Task = TCP_Task , .TaskStatus = TASK_STOP },
{ .Task = RNDIS_Task , .TaskStatus = TASK_STOP },
};
/** Main program entry point. This routine configures the hardware required by the application, then
* starts the scheduler to run the USB management task.
*/
int main(void)
{
SetupHardware();
/* Webserver Initialization */
TCP_Init();
Webserver_Init();
printf_P(PSTR("\r\n\r\n****** RNDIS Demo running. ******\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
for (;;)
{
Ethernet_Task();
TCP_Task();
RNDIS_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);
@ -60,24 +73,7 @@ int main(void)
/* Hardware Initialization */
LEDs_Init();
SerialStream_Init(9600, false);
/* Webserver Initialization */
TCP_Init();
Webserver_Init();
printf_P(PSTR("\r\n\r\n****** RNDIS Demo running. ******\r\n"));
/* 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
@ -85,11 +81,8 @@ 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
@ -97,14 +90,8 @@ void EVENT_USB_Connect(void)
*/
void EVENT_USB_Disconnect(void)
{
/* Stop running TCP/IP and USB management tasks */
Scheduler_SetTaskMode(RNDIS_Task, TASK_STOP);
Scheduler_SetTaskMode(Ethernet_Task, TASK_STOP);
Scheduler_SetTaskMode(TCP_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 sets the current configuration
@ -126,12 +113,7 @@ void EVENT_USB_ConfigurationChanged(void)
ENDPOINT_BANK_SINGLE);
/* Indicate USB connected and ready */
UpdateStatus(Status_USBReady);
/* Start TCP/IP tasks */
Scheduler_SetTaskMode(RNDIS_Task, TASK_RUN);
Scheduler_SetTaskMode(Ethernet_Task, TASK_RUN);
Scheduler_SetTaskMode(TCP_Task, TASK_RUN);
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
@ -188,41 +170,11 @@ 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 RNDISEthernet_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;
case Status_ProcessingEthernetFrame:
LEDMask = (LEDS_LED2 | LEDS_LED3);
break;
}
/* Set the board LEDs to the new LED mask */
LEDs_SetAllLEDs(LEDMask);
}
/** Task to manage the sending and receiving of encapsulated RNDIS data and notifications. This removes the RNDIS
* wrapper from received Ethernet frames and places them in the FrameIN global buffer, or adds the RNDIS wrapper
* to a frame in the FrameOUT global before sending the buffer contents to the host.
*/
TASK(RNDIS_Task)
void RNDIS_Task(void)
{
/* Select the notification endpoint */
Endpoint_SelectEndpoint(CDC_NOTIFICATION_EPNUM);
@ -317,7 +269,7 @@ TASK(RNDIS_Task)
/** Ethernet frame processing task. This task checks to see if a frame has been received, and if so hands off the processing
* of the frame to the Ethernet processing routines.
*/
TASK(Ethernet_Task)
void Ethernet_Task(void)
{
/* Task for Ethernet processing. Incoming ethernet frames are loaded into the FrameIN structure, and
outgoing frames should be loaded into the FrameOUT structure. Both structures can only hold a single
@ -327,12 +279,12 @@ TASK(Ethernet_Task)
if (FrameIN.FrameInBuffer)
{
/* Indicate packet processing started */
UpdateStatus(Status_ProcessingEthernetFrame);
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
/* Process the ethernet frame - replace this with your own Ethernet handler code as desired */
Ethernet_ProcessPacket();
/* Indicate packet processing complete */
UpdateStatus(Status_USBReady);
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
}