X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/9798440ca4f694e7cd8312a51b82e59589f1ebeb..ecd82778cf9a53e34f13d9ce6dcd7e1a4cf76b70:/Demos/Device/ClassDriver/CDC/CDC.c diff --git a/Demos/Device/ClassDriver/CDC/CDC.c b/Demos/Device/ClassDriver/CDC/CDC.c index 86d5c36c1..f09d3f136 100644 --- a/Demos/Device/ClassDriver/CDC/CDC.c +++ b/Demos/Device/ClassDriver/CDC/CDC.c @@ -40,20 +40,45 @@ * passed to all CDC Class driver functions, so that multiple instances of the same class * within a device can be differentiated from one another. */ -USB_ClassInfo_CDC_t VirtualSerial_CDC_Interface = +USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface = { - .ControlInterfaceNumber = 0, + .Config = + { + .ControlInterfaceNumber = 0, - .DataINEndpointNumber = CDC_TX_EPNUM, - .DataINEndpointSize = CDC_TXRX_EPSIZE, + .DataINEndpointNumber = CDC_TX_EPNUM, + .DataINEndpointSize = CDC_TXRX_EPSIZE, - .DataOUTEndpointNumber = CDC_RX_EPNUM, - .DataOUTEndpointSize = CDC_TXRX_EPSIZE, + .DataOUTEndpointNumber = CDC_RX_EPNUM, + .DataOUTEndpointSize = CDC_TXRX_EPSIZE, - .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM, - .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE, + .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM, + .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE, + }, }; +#if 0 +/* NOTE: Here you can set up a standard stream using the created virtual serial port, so that the standard stream functions in + * can be used on the virtual serial port (e.g. fprintf(&USBSerial, "Test"); to print a string). + */ + +static int CDC_putchar(char c, FILE *stream) +{ + CDC_Device_SendByte(&VirtualSerial_CDC_Interface, c); + return 0; +} + +static int CDC_getchar(FILE *stream) +{ + if (!(CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface))) + return -1; + + return CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface); +} + +static FILE USBSerial = FDEV_SETUP_STREAM(CDC_putchar, CDC_getchar, _FDEV_SETUP_RW); +#endif + /** Main program entry point. This routine contains the overall program flow, including initial * setup of all components and the main program loop. */ @@ -66,9 +91,9 @@ int main(void) for (;;) { CheckJoystickMovement(); - - uint16_t BytesToDiscard = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface); - while (BytesToDiscard--) + + /* Must throw away unused bytes from the host, or it will lock up while waiting for the device */ + while (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface)) CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface); CDC_Device_USBTask(&VirtualSerial_CDC_Interface); @@ -99,25 +124,16 @@ void CheckJoystickMovement(void) char* ReportString = NULL; static bool ActionSent = false; - char* JoystickStrings[] = - { - "Joystick Up\r\n", - "Joystick Down\r\n", - "Joystick Left\r\n", - "Joystick Right\r\n", - "Joystick Pressed\r\n", - }; - if (JoyStatus_LCL & JOY_UP) - ReportString = JoystickStrings[0]; + ReportString = "Joystick Up\r\n"; else if (JoyStatus_LCL & JOY_DOWN) - ReportString = JoystickStrings[1]; + ReportString = "Joystick Down\r\n"; else if (JoyStatus_LCL & JOY_LEFT) - ReportString = JoystickStrings[2]; + ReportString = "Joystick Left\r\n"; else if (JoyStatus_LCL & JOY_RIGHT) - ReportString = JoystickStrings[3]; + ReportString = "Joystick Right\r\n"; else if (JoyStatus_LCL & JOY_PRESS) - ReportString = JoystickStrings[4]; + ReportString = "Joystick Pressed\r\n"; else ActionSent = false; @@ -130,19 +146,19 @@ void CheckJoystickMovement(void) } /** Event handler for the library USB Connection event. */ -void EVENT_USB_Connect(void) +void EVENT_USB_Device_Connect(void) { LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); } /** Event handler for the library USB Disconnection event. */ -void EVENT_USB_Disconnect(void) +void EVENT_USB_Device_Disconnect(void) { LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); } /** Event handler for the library USB Configuration Changed event. */ -void EVENT_USB_ConfigurationChanged(void) +void EVENT_USB_Device_ConfigurationChanged(void) { LEDs_SetAllLEDs(LEDMASK_USB_READY); @@ -150,8 +166,8 @@ void EVENT_USB_ConfigurationChanged(void) LEDs_SetAllLEDs(LEDMASK_USB_ERROR); } -/** Event handler for the library USB Unhandled Control Packet event. */ -void EVENT_USB_UnhandledControlPacket(void) +/** Event handler for the library USB Unhandled Control Request event. */ +void EVENT_USB_Device_UnhandledControlRequest(void) { - CDC_Device_ProcessControlPacket(&VirtualSerial_CDC_Interface); + CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface); }