X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/357ccc577bc6f8710ff942019e16cfa6a08466b7..abc7dce10c03bcbc9659e1a9643cec30c465867d:/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c?ds=inline diff --git a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c index 2765064f7..141a45276 100644 --- a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c +++ b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c @@ -81,15 +81,15 @@ void SetupHardware(void) clock_prescale_set(clock_div_1); /* Hardware Initialization */ + Serial_Init(9600, false); LEDs_Init(); - ReconfigureUSART(); - USB_Init(); + USB_Init(); } /** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and * starts the library USB task to begin the enumeration and USB management process. */ -void EVENT_USB_Connect(void) +void EVENT_USB_Device_Connect(void) { /* Indicate USB enumerating */ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); @@ -98,7 +98,7 @@ void EVENT_USB_Connect(void) /** 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) +void EVENT_USB_Device_Disconnect(void) { /* Reset Tx and Rx buffers, device disconnected */ Buffer_Initialize(&Rx_Buffer); @@ -111,7 +111,7 @@ void EVENT_USB_Disconnect(void) /** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration * of the USB device after enumeration - the device endpoints are configured and the CDC management task started. */ -void EVENT_USB_ConfigurationChanged(void) +void EVENT_USB_Device_ConfigurationChanged(void) { /* Indicate USB connected and ready */ LEDs_SetAllLEDs(LEDMASK_USB_READY); @@ -137,13 +137,16 @@ void EVENT_USB_ConfigurationChanged(void) { LEDs_SetAllLEDs(LEDMASK_USB_ERROR); } + + /* Reset line encoding baud rate so that the host knows to send new values */ + LineEncoding.BaudRateBPS = 0; } -/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific +/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific * control requests that are not handled internally by the USB library (including the CDC control commands, * which are all issued via the control endpoint), so that they can be handled appropriately for the application. */ -void EVENT_USB_UnhandledControlPacket(void) +void EVENT_USB_Device_UnhandledControlRequest(void) { /* Process CDC specific control requests */ switch (USB_ControlRequest.bRequest) @@ -260,11 +263,7 @@ void CDC_Task(void) if ((Tx_Buffer.Elements) && LineEncoding.BaudRateBPS) { /* Wait until Serial Tx Endpoint Ready for Read/Write */ - while (!(Endpoint_IsReadWriteAllowed())) - { - if (USB_DeviceState == DEVICE_STATE_Unattached) - return; - } + Endpoint_WaitUntilReady(); /* Write the bytes from the buffer to the endpoint while space is available */ while (Tx_Buffer.Elements && Endpoint_IsReadWriteAllowed()) @@ -284,11 +283,7 @@ void CDC_Task(void) if (IsFull && !(Tx_Buffer.Elements)) { /* Wait until Serial Tx Endpoint Ready for Read/Write */ - while (!(Endpoint_IsReadWriteAllowed())) - { - if (USB_DeviceState == DEVICE_STATE_Unattached) - return; - } + Endpoint_WaitUntilReady(); /* Send an empty packet to terminate the transfer */ Endpoint_ClearIN();