Converted Host mode demos to schedulerless. Fixed host mode broken due to earlier Start-of-frame event experiments.

3 files changed, 44 insertions, 96 deletions

diff --git a/Demos/Host/LowLevel/CDCHost/CDCHost.c b/Demos/Host/LowLevel/CDCHost/CDCHost.c
index b83473106..9a5e81ae4 100644
--- a/Demos/Host/LowLevel/CDCHost/CDCHost.c
+++ b/Demos/Host/LowLevel/CDCHost/CDCHost.c
@@ -36,19 +36,28 @@
  

 #include "CDCHost.h"

 

-/* Scheduler Task List */

-TASK_LIST

-{

-	{ .Task = USB_USBTask          , .TaskStatus = TASK_STOP },

-	{ .Task = USB_CDC_Host         , .TaskStatus = TASK_STOP },

-};

-

-

 /** 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();

+

+	puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY

+	       "CDC Host Demo running.\r\n" ESC_INVERSE_OFF));

+

+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);

+

+	for (;;)

+	{

+		CDC_Host_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();

@@ -59,22 +68,7 @@ int main(void)
 	/* Hardware Initialization */

 	SerialStream_Init(9600, false);

 	LEDs_Init();

-	

-	/* Indicate USB not ready */

-	UpdateStatus(Status_USBNotReady);

-	

-	/* Initialize Scheduler so that it can be used */

-	Scheduler_Init();

-

-	/* Initialize USB Subsystem */

 	USB_Init();

-

-	/* Start-up message */

-	puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY

-	       "CDC Host Demo running.\r\n" ESC_INVERSE_OFF));

-		   

-	/* Scheduling - routine never returns, so put this last in the main function */

-	Scheduler_Start();

 }

 

 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and

@@ -83,10 +77,7 @@ int main(void)
 void EVENT_USB_DeviceAttached(void)

 {

 	puts_P(PSTR("Device Attached.\r\n"));

-	UpdateStatus(Status_USBEnumerating);

-

-	/* Start USB management task to enumerate the device */

-	Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);

+	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);

 }

 

 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and

@@ -94,12 +85,8 @@ void EVENT_USB_DeviceAttached(void)
  */

 void EVENT_USB_DeviceUnattached(void)

 {

-	/* Stop keyboard and USB management task */

-	Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);

-	Scheduler_SetTaskMode(USB_CDC_Host, TASK_STOP);

-

 	puts_P(PSTR("\r\nDevice Unattached.\r\n"));

-	UpdateStatus(Status_USBNotReady);

+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);

 }

 

 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully

@@ -107,11 +94,7 @@ void EVENT_USB_DeviceUnattached(void)
  */

 void EVENT_USB_DeviceEnumerationComplete(void)

 {

-	/* Start CDC Host task */

-	Scheduler_SetTaskMode(USB_CDC_Host, TASK_RUN);

-

-	/* Indicate device enumeration complete */

-	UpdateStatus(Status_USBReady);

+	LEDs_SetAllLEDs(LEDMASK_USB_READY);

 }

 

 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */

@@ -122,7 +105,7 @@ void EVENT_USB_HostError(const uint8_t ErrorCode)
 	puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));

 	printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);

 

-	UpdateStatus(Status_HardwareError);

+	LEDs_SetAllLEDs(LEDMASK_USB_ERROR);

 	for(;;);

 }

 

@@ -136,44 +119,13 @@ void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t Su
 	printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);

 	printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);

 	

-	UpdateStatus(Status_EnumerationError);

-}

-

-/** 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 CDCHost_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);

-			break;

-		case Status_EnumerationError:

-		case Status_HardwareError:

-			LEDMask = (LEDS_LED1 | LEDS_LED3);

-			break;

-	}

-	

-	/* Set the board LEDs to the new LED mask */

-	LEDs_SetAllLEDs(LEDMask);

+	LEDs_SetAllLEDs(LEDMASK_USB_ERROR);

 }

 

 /** Task to set the configuration of the attached device after it has been enumerated, and to read in

  *  data received from the attached CDC device and print it to the serial port.

  */

-TASK(USB_CDC_Host)

+void CDC_Host_Task(void)

 {

 	uint8_t ErrorCode;

 

@@ -200,7 +152,7 @@ TASK(USB_CDC_Host)
 				printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);

 

 				/* Indicate error via status LEDs */

-				UpdateStatus(Status_EnumerationError);

+				LEDs_SetAllLEDs(LEDMASK_USB_ERROR);

 

 				/* Wait until USB device disconnected */

 				while (USB_IsConnected);

@@ -223,7 +175,7 @@ TASK(USB_CDC_Host)
 				printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);

 				

 				/* Indicate error via status LEDs */

-				UpdateStatus(Status_EnumerationError);

+				LEDs_SetAllLEDs(LEDMASK_USB_ERROR);

 

 				/* Wait until USB device disconnected */

 				while (USB_IsConnected);

diff --git a/Demos/Host/LowLevel/CDCHost/CDCHost.h b/Demos/Host/LowLevel/CDCHost/CDCHost.h
index afec780e7..5dcbc8e8e 100644
--- a/Demos/Host/LowLevel/CDCHost/CDCHost.h
+++ b/Demos/Host/LowLevel/CDCHost/CDCHost.h
@@ -43,12 +43,11 @@
 		#include <avr/power.h>

 		#include <stdio.h>

 

-		#include <LUFA/Version.h>                                // Library Version Information

-		#include <LUFA/Drivers/Misc/TerminalCodes.h>             // ANSI Terminal Escape Codes

-		#include <LUFA/Drivers/USB/USB.h>                        // USB Functionality

-		#include <LUFA/Drivers/Peripheral/SerialStream.h>        // Serial stream driver

-		#include <LUFA/Drivers/Board/LEDs.h>                     // LEDs driver

-		#include <LUFA/Scheduler/Scheduler.h>                    // Simple scheduler for task management

+		#include <LUFA/Version.h>

+		#include <LUFA/Drivers/Misc/TerminalCodes.h>

+		#include <LUFA/Drivers/USB/USB.h>

+		#include <LUFA/Drivers/Peripheral/SerialStream.h>

+		#include <LUFA/Drivers/Board/LEDs.h>

 		

 		#include "ConfigDescriptor.h"

 		

@@ -62,27 +61,26 @@
 		/** Pipe number for the CDC notification pipe */

 		#define CDC_NOTIFICATIONPIPE           3

 

-	/* Enums: */

-		/** Enum for the possible status codes for passing to the UpdateStatus() function. */

-		enum CDCHost_StatusCodes_t

-		{

-			Status_USBNotReady      = 0, /**< USB is not ready (disconnected from a USB device) */

-			Status_USBEnumerating   = 1, /**< USB interface is enumerating */

-			Status_USBReady         = 2, /**< USB interface is connected and ready */

-			Status_EnumerationError = 3, /**< Software error while enumerating the attached USB device */

-			Status_HardwareError    = 4, /**< Hardware error while enumerating the attached USB device */

-		};

+		/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */

+		#define LEDMASK_USB_NOTREADY      LEDS_LED1

 

-	/* Task Definitions: */

-		TASK(USB_CDC_Host);

+		/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */

+		#define LEDMASK_USB_ENUMERATING  (LEDS_LED2 | LEDS_LED3)

 

+		/** LED mask for the library LED driver, to indicate that the USB interface is ready. */

+		#define LEDMASK_USB_READY        (LEDS_LED2 | LEDS_LED4)

+

+		/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */

+		#define LEDMASK_USB_ERROR        (LEDS_LED1 | LEDS_LED3)

+		

 	/* Function Prototypes: */

+		void SetupHardware(void);

+		void CDC_Host_Task(void);

+	

 		void EVENT_USB_HostError(const uint8_t ErrorCode);

 		void EVENT_USB_DeviceAttached(void);

 		void EVENT_USB_DeviceUnattached(void);

 		void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode);

 		void EVENT_USB_DeviceEnumerationComplete(void);

-

-		void UpdateStatus(uint8_t CurrentStatus);

 		

 #endif

diff --git a/Demos/Host/LowLevel/CDCHost/makefile b/Demos/Host/LowLevel/CDCHost/makefile
index f1255aad2..dfbefbb80 100644
--- a/Demos/Host/LowLevel/CDCHost/makefile
+++ b/Demos/Host/LowLevel/CDCHost/makefile
@@ -119,13 +119,12 @@ OBJDIR = .
 

 

 # Path to the LUFA library

-LUFA_PATH = ../../..

+LUFA_PATH = ../../../..

 

 

 # List C source files here. (C dependencies are automatically generated.)

 SRC = $(TARGET).c                                                 \

 	  ConfigDescriptor.c                                          \

-	  $(LUFA_PATH)/LUFA/Scheduler/Scheduler.c                     \

 	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \

 	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \

 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \

@@ -138,7 +137,6 @@ SRC = $(TARGET).c                                                 \
 	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBInterrupt.c      \

 	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \

 	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \

-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/HIDParser.c             \

 

 

 # List C++ source files here. (C dependencies are automatically generated.)