diff options
Diffstat (limited to 'Demos/Host/LowLevel/GenericHIDHost')
| -rw-r--r-- | Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.c | 100 | ||||
| -rw-r--r-- | Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.h | 37 | ||||
| -rw-r--r-- | Demos/Host/LowLevel/GenericHIDHost/makefile | 3 |
3 files changed, 45 insertions, 95 deletions
diff --git a/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.c b/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.c index e731f90cf..ac764fad0 100644 --- a/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.c +++ b/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.c @@ -36,45 +36,39 @@ #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);
wdt_disable();
/* 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);
diff --git a/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.h b/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.h index 7e2f8b822..415dae023 100644 --- a/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.h +++ b/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.h @@ -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);
diff --git a/Demos/Host/LowLevel/GenericHIDHost/makefile b/Demos/Host/LowLevel/GenericHIDHost/makefile index b912b2ff8..a07acb438 100644 --- a/Demos/Host/LowLevel/GenericHIDHost/makefile +++ b/Demos/Host/LowLevel/GenericHIDHost/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 \
|