From ac70ddd0a1c412bb54def48e53caaebd0b5c9c61 Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Mon, 8 Jun 2009 07:34:16 +0000 Subject: Converted Host mode demos to schedulerless. Fixed host mode broken due to earlier Start-of-frame event experiments. --- .../MouseHostWithParser/MouseHostWithParser.c | 111 +++++---------------- 1 file changed, 27 insertions(+), 84 deletions(-) (limited to 'Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c') diff --git a/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c index f26e9e2a6..3ef5503b3 100644 --- a/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c +++ b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c @@ -36,18 +36,27 @@ #include "MouseHostWithParser.h" -/* Scheduler Task List */ -TASK_LIST -{ - { .Task = USB_USBTask , .TaskStatus = TASK_STOP }, - { .Task = USB_Mouse_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 + "Mouse HID Parser Host Demo running.\r\n" ESC_INVERSE_OFF)); + + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); + + for (;;) + { + Mouse_HID_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); @@ -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 - "Mouse 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 mouse and USB management task */ - Scheduler_SetTaskMode(USB_USBTask, TASK_STOP); - Scheduler_SetTaskMode(USB_Mouse_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 Mouse Host task */ - Scheduler_SetTaskMode(USB_Mouse_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(;;); } @@ -136,47 +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 MouseHostWithParser_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; - case Status_Busy: - LEDMask = (LEDS_LED1 | LEDS_LED4); - 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 and process * the HID report descriptor and HID reports from the device and display the results onto the board LEDs. */ -TASK(USB_Mouse_Host) +void Mouse_HID_Task(void) { uint8_t ErrorCode; @@ -204,8 +153,8 @@ TASK(USB_Mouse_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); break; @@ -227,7 +176,7 @@ TASK(USB_Mouse_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); @@ -236,9 +185,6 @@ TASK(USB_Mouse_Host) puts_P(PSTR("Processing HID Report.\r\n")); - /* LEDs one and two on to indicate busy processing */ - UpdateStatus(Status_Busy); - /* Get and process the device's first HID report descriptor */ if ((ErrorCode = GetHIDReportData()) != ParseSuccessful) { @@ -246,15 +192,12 @@ TASK(USB_Mouse_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); break; } - - /* All LEDs off - ready to indicate key presses */ - UpdateStatus(Status_USBReady); puts_P(PSTR("Mouse Enumerated.\r\n")); -- cgit v1.2.3