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

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This commit is contained in:
Dean Camera 2009-06-08 07:34:16 +00:00
parent 33a0184749
commit ac70ddd0a1
39 changed files with 405 additions and 838 deletions
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100
Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.c
View file

@ -36,18 +36,27 @@
#include "GenericHIDHost.h"
/* Scheduler Task List */
TASK_LIST
{
{ .Task = USB_USBTask , .TaskStatus = TASK_STOP },
{ .Task = USB_HID_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
"Generic HID Host Demo running.\r\n" ESC_INVERSE_OFF));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
for (;;)
{
HID_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);
@ -55,26 +64,11 @@ int main(void)
/* Disable clock division */
clock_prescale_set(clock_div_1);
/* 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
"Generic HID 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 HID and USB management task */
Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);
Scheduler_SetTaskMode(USB_HID_Host, TASK_STOP);
puts_P(PSTR("Device 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 HID Host task */
Scheduler_SetTaskMode(USB_HID_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(;;);
}
@ -136,38 +119,7 @@ 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 GenericHIDHost_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);
}
/** Reads in and processes the next report from the attached device, displaying the report
@ -273,7 +225,7 @@ void WriteNextReport(uint8_t* ReportOUTData, uint8_t ReportIndex, uint8_t Report
/** Task to set the configuration of the attached device after it has been enumerated, and to read and process
* HID reports from the device and to send reports if desired.
*/
TASK(USB_HID_Host)
void HID_Host_Task(void)
{
uint8_t ErrorCode;
@ -301,7 +253,7 @@ TASK(USB_HID_Host)
printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
/* Indicate error status */
UpdateStatus(Status_EnumerationError);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
/* Wait until USB device disconnected */
while (USB_IsConnected);
@ -324,7 +276,7 @@ TASK(USB_HID_Host)
printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
/* Indicate error status */
UpdateStatus(Status_EnumerationError);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
/* Wait until USB device disconnected */
while (USB_IsConnected);

37
Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.h
View file

@ -44,12 +44,11 @@
#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"
@ -69,28 +68,28 @@
/** HID Report type specifier, for feature reports to a device */
#define HID_REPORTTYPE_FEATURE 0x03
/* Task Definitions: */
TASK(USB_HID_Host);
/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
#define LEDMASK_USB_NOTREADY LEDS_LED1
/* Enums: */
/** Enum for the possible status codes for passing to the UpdateStatus() function. */
enum GenricHIDHost_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 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 HID_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);
void ReadNextReport(void);
void WriteNextReport(uint8_t* ReportOUTData, uint8_t ReportIndex, uint8_t ReportType, uint16_t ReportLength);

3
Demos/Host/LowLevel/GenericHIDHost/makefile
View file

@ -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 \