Generate API docs from source code comments (#2491)
* Generate api docs from source code * Add a bunch of doxygen comments * more doxygen comments * Add the in-progress api docs * script to generate docs from travis * Add doc generation to the travis job * make travis_docs.sh commit the work it does * make sure the docs script exits cleanly
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					 41 changed files with 1892 additions and 97 deletions
				
			
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			@ -141,6 +141,10 @@ USB_ClassInfo_CDC_Device_t cdc_device =
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#ifdef RAW_ENABLE
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/** \brief Raw HID Send
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 *
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 * FIXME: Needs doc
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 */
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void raw_hid_send( uint8_t *data, uint8_t length )
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{
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	// TODO: implement variable size packet
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			@ -172,6 +176,10 @@ void raw_hid_send( uint8_t *data, uint8_t length )
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	Endpoint_SelectEndpoint(ep);
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}
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/** \brief Raw HID Receive
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 *
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 * FIXME: Needs doc
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 */
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__attribute__ ((weak))
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void raw_hid_receive( uint8_t *data, uint8_t length )
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{
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			@ -180,6 +188,10 @@ void raw_hid_receive( uint8_t *data, uint8_t length )
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	// so users can opt to not handle data coming in.
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}
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/** \brief Raw HID Task
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 *
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 * FIXME: Needs doc
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 */
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static void raw_hid_task(void)
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{
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	// Create a temporary buffer to hold the read in data from the host
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			@ -218,6 +230,10 @@ static void raw_hid_task(void)
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 * Console
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 ******************************************************************************/
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#ifdef CONSOLE_ENABLE
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/** \brief Console Task
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 *
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 * FIXME: Needs doc
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 */
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static void Console_Task(void)
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{
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    /* Device must be connected and configured for the task to run */
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			@ -282,6 +298,10 @@ static void Console_Task(void)
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 * 2) EVENT_USB_Device_Reset
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 * 3) EVENT_USB_Device_Wake
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*/
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/** \brief Event USB Device Connect
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 *
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 * FIXME: Needs doc
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 */
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void EVENT_USB_Device_Connect(void)
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{
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    print("[C]");
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			@ -293,6 +313,10 @@ void EVENT_USB_Device_Connect(void)
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    }
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}
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/** \brief Event USB Device Connect
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 *
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 * FIXME: Needs doc
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 */
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void EVENT_USB_Device_Disconnect(void)
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{
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    print("[D]");
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			@ -307,11 +331,19 @@ void EVENT_USB_Device_Disconnect(void)
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*/
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}
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/** \brief Event USB Device Connect
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 *
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 * FIXME: Needs doc
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 */
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void EVENT_USB_Device_Reset(void)
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{
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    print("[R]");
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}
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/** \brief Event USB Device Connect
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 *
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 * FIXME: Needs doc
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 */
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void EVENT_USB_Device_Suspend()
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{
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    print("[S]");
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			@ -320,6 +352,10 @@ void EVENT_USB_Device_Suspend()
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#endif
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}
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/** \brief Event USB Device Connect
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 *
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 * FIXME: Needs doc
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 */
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void EVENT_USB_Device_WakeUp()
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{
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    print("[W]");
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			@ -342,7 +378,11 @@ static bool console_flush = false;
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  } \
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} while (0)
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// called every 1ms
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/** \brief Event USB Device Start Of Frame
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 *
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 * FIXME: Needs doc
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 * called every 1ms
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 */
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void EVENT_USB_Device_StartOfFrame(void)
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{
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    static uint8_t count;
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			@ -356,11 +396,12 @@ void EVENT_USB_Device_StartOfFrame(void)
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#endif
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/** Event handler for the USB_ConfigurationChanged event.
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/** \brief Event handler for the USB_ConfigurationChanged event.
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 *
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 * This is fired when the host sets the current configuration of the USB device after enumeration.
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 *
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 * ATMega32u2 supports dual bank(ping-pong mode) only on endpoint 3 and 4,
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 * it is safe to use singl bank for all endpoints.
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 * it is safe to use single bank for all endpoints.
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 */
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void EVENT_USB_Device_ConfigurationChanged(void)
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{
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			@ -418,7 +459,7 @@ void EVENT_USB_Device_ConfigurationChanged(void)
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#endif
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}
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/*
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/* FIXME: Expose this table in the docs somehow
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Appendix G: HID Request Support Requirements
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The following table enumerates the requests that need to be supported by various types of HID class devices.
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			@ -431,7 +472,8 @@ Boot Keyboard   Required    Optional    Required    Required    Required    Requ
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Non-Boot Keybrd Required    Optional    Required    Required    Optional    Optional
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Other Device    Required    Optional    Optional    Optional    Optional    Optional
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*/
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/** Event handler for the USB_ControlRequest event.
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/** \brief Event handler for the USB_ControlRequest event.
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 *
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 *  This is fired before passing along unhandled control requests to the library for processing internally.
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 */
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void EVENT_USB_Device_ControlRequest(void)
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			@ -546,11 +588,19 @@ void EVENT_USB_Device_ControlRequest(void)
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/*******************************************************************************
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 * Host driver
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 ******************************************************************************/
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/** \brief Keyboard LEDs
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 *
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 * FIXME: Needs doc
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 */
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static uint8_t keyboard_leds(void)
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{
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    return keyboard_led_stats;
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}
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/** \brief Send Keyboard
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 *
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 * FIXME: Needs doc
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 */
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static void send_keyboard(report_keyboard_t *report)
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{
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    uint8_t timeout = 255;
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			@ -612,7 +662,11 @@ static void send_keyboard(report_keyboard_t *report)
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    keyboard_report_sent = *report;
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}
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/** \brief Send Mouse
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 *
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 * FIXME: Needs doc
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 */
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static void send_mouse(report_mouse_t *report)
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{
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#ifdef MOUSE_ENABLE
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			@ -657,6 +711,10 @@ static void send_mouse(report_mouse_t *report)
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#endif
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}
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/** \brief Send System
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 *
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 * FIXME: Needs doc
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 */
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static void send_system(uint16_t data)
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{
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    uint8_t timeout = 255;
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			@ -678,6 +736,10 @@ static void send_system(uint16_t data)
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    Endpoint_ClearIN();
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}
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/** \brief Send Consumer
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 *
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 * FIXME: Needs doc
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 */
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static void send_consumer(uint16_t data)
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{
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    uint8_t timeout = 255;
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			@ -739,6 +801,10 @@ static void send_consumer(uint16_t data)
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 ******************************************************************************/
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#ifdef CONSOLE_ENABLE
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#define SEND_TIMEOUT 5
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/** \brief Send Char
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 *
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 * FIXME: Needs doc
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 */
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int8_t sendchar(uint8_t c)
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{
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    // Not wait once timeouted.
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			@ -842,18 +908,30 @@ bool recv_midi_packet(MIDI_EventPacket_t* const event) {
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 ******************************************************************************/
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#ifdef VIRTSER_ENABLE
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/** \brief Virtual Serial Init
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 *
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 * FIXME: Needs doc
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 */
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void virtser_init(void)
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{
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  cdc_device.State.ControlLineStates.DeviceToHost = CDC_CONTROL_LINE_IN_DSR ;
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  CDC_Device_SendControlLineStateChange(&cdc_device);
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}
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/** \brief Virtual Serial Receive
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 *
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 * FIXME: Needs doc
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 */
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void virtser_recv(uint8_t c) __attribute__ ((weak));
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void virtser_recv(uint8_t c)
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{
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  // Ignore by default
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}
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/** \brief Virtual Serial Task
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 *
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 * FIXME: Needs doc
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 */
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void virtser_task(void)
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{
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  uint16_t count = CDC_Device_BytesReceived(&cdc_device);
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			@ -864,6 +942,10 @@ void virtser_task(void)
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    virtser_recv(ch);
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  }
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}
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/** \brief Virtual Serial Send
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 *
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 * FIXME: Needs doc
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 */
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void virtser_send(const uint8_t byte)
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{
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  uint8_t timeout = 255;
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			@ -896,6 +978,10 @@ void virtser_send(const uint8_t byte)
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/*******************************************************************************
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 * main
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 ******************************************************************************/
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/** \brief Setup MCU
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 *
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 * FIXME: Needs doc
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 */
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static void setup_mcu(void)
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{
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    /* Disable watchdog if enabled by bootloader/fuses */
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			@ -909,6 +995,10 @@ static void setup_mcu(void)
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    CLKPR = (0 << CLKPS3) | (0 << CLKPS2) | (0 << CLKPS1) | (0 << CLKPS0);
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}
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/** \brief Setup USB
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 *
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 * FIXME: Needs doc
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 */
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static void setup_usb(void)
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{
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    // Leonardo needs. Without this USB device is not recognized.
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			@ -921,6 +1011,10 @@ static void setup_usb(void)
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    print_set_sendchar(sendchar);
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}
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/** \brief Main
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 *
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 * FIXME: Needs doc
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 */
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int main(void)  __attribute__ ((weak));
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int main(void)
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{
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