X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/2793c88fc601dcc7ec4961326dd9748a20f3ec83..33a018474913701fa9ef8e962acf58accd1184d2:/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c diff --git a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c index 7cef56560..ee4208f19 100644 --- a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c +++ b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c @@ -30,13 +30,6 @@ #include "USBtoSerial.h" -/* Scheduler Task List */ -TASK_LIST -{ - { .Task = USB_USBTask , .TaskStatus = TASK_STOP }, - { .Task = CDC_Task , .TaskStatus = TASK_STOP }, -}; - /* Globals: */ /** Contains the current baud rate and other settings of the virtual serial port. * @@ -62,6 +55,24 @@ volatile bool Transmitting = false; */ int main(void) { + SetupHardware(); + + /* Ring buffer Initialization */ + Buffer_Initialize(&Rx_Buffer); + Buffer_Initialize(&Tx_Buffer); + + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); + + for (;;) + { + CDC_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(); @@ -72,22 +83,7 @@ int main(void) /* Hardware Initialization */ LEDs_Init(); ReconfigureUSART(); - - /* Ring buffer Initialization */ - Buffer_Initialize(&Rx_Buffer); - Buffer_Initialize(&Tx_Buffer); - - /* 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(); + USB_Init(); } /** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and @@ -95,28 +91,21 @@ 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 * the status LEDs and stops the USB management and CDC management tasks. */ void EVENT_USB_Disconnect(void) -{ - /* Stop running CDC and USB management tasks */ - Scheduler_SetTaskMode(CDC_Task, TASK_STOP); - Scheduler_SetTaskMode(USB_USBTask, TASK_STOP); - +{ /* Reset Tx and Rx buffers, device disconnected */ Buffer_Initialize(&Rx_Buffer); Buffer_Initialize(&Tx_Buffer); /* 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 set the current configuration @@ -138,10 +127,7 @@ void EVENT_USB_ConfigurationChanged(void) ENDPOINT_BANK_SINGLE); /* Indicate USB connected and ready */ - UpdateStatus(Status_USBReady); - - /* Start CDC task */ - Scheduler_SetTaskMode(CDC_Task, TASK_RUN); + LEDs_SetAllLEDs(LEDMASK_USB_READY); } /** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific @@ -207,7 +193,7 @@ void EVENT_USB_UnhandledControlPacket(void) } /** Task to manage CDC data transmission and reception to and from the host, from and to the physical USART. */ -TASK(CDC_Task) +void CDC_Task(void) { if (USB_IsConnected) { @@ -309,33 +295,6 @@ ISR(USART1_RX_vect, ISR_BLOCK) } } -/** 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 USBtoSerial_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; - } - - /* Set the board LEDs to the new LED mask */ - LEDs_SetAllLEDs(LEDMask); -} - /** Reconfigures the USART to match the current serial port settings issued by the host as closely as possible. */ void ReconfigureUSART(void) {