Rewritten event system to remove all macros, to make user code clearer.
[pub/USBasp.git] / Demos / Device / CDC / CDC.c
index 29bc003..d7ebb9e 100644 (file)
@@ -39,8 +39,8 @@
 /* Scheduler Task List */\r
 TASK_LIST\r
 {\r
-       { Task: USB_USBTask          , TaskStatus: TASK_STOP },\r
-       { Task: CDC_Task             , TaskStatus: TASK_STOP },\r
+       { .Task = USB_USBTask          , .TaskStatus = TASK_STOP },\r
+       { .Task = CDC_Task             , .TaskStatus = TASK_STOP },\r
 };\r
 \r
 /* Globals: */\r
@@ -52,10 +52,10 @@ TASK_LIST
  *  It is possible to completely ignore these value or use other settings as the host is completely unaware of the physical\r
  *  serial link characteristics and instead sends and receives data in endpoint streams.\r
  */\r
-CDC_Line_Coding_t LineCoding = { BaudRateBPS: 9600,\r
-                                 CharFormat:  OneStopBit,\r
-                                 ParityType:  Parity_None,\r
-                                 DataBits:    8            };\r
+CDC_Line_Coding_t LineCoding = { .BaudRateBPS = 9600,\r
+                                 .CharFormat  = OneStopBit,\r
+                                 .ParityType  = Parity_None,\r
+                                 .DataBits    = 8            };\r
 \r
 /** String to print through the virtual serial port when the joystick is pressed upwards. */\r
 char JoystickUpString[]      = "Joystick Up\r\n";\r
@@ -104,7 +104,7 @@ int main(void)
 /** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and\r
  *  starts the library USB task to begin the enumeration and USB management process.\r
  */\r
-EVENT_HANDLER(USB_Connect)\r
+void EVENT_USB_Connect(void)\r
 {\r
        /* Start USB management task */\r
        Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);\r
@@ -116,7 +116,7 @@ EVENT_HANDLER(USB_Connect)
 /** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via\r
  *  the status LEDs and stops the USB management and CDC management tasks.\r
  */\r
-EVENT_HANDLER(USB_Disconnect)\r
+void EVENT_USB_Disconnect(void)\r
 {\r
        /* Stop running CDC and USB management tasks */\r
        Scheduler_SetTaskMode(CDC_Task, TASK_STOP);\r
@@ -129,7 +129,7 @@ EVENT_HANDLER(USB_Disconnect)
 /** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration\r
  *  of the USB device after enumeration - the device endpoints are configured and the CDC management task started.\r
  */\r
-EVENT_HANDLER(USB_ConfigurationChanged)\r
+void EVENT_USB_ConfigurationChanged(void)\r
 {\r
        /* Setup CDC Notification, Rx and Tx Endpoints */\r
        Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPNUM, EP_TYPE_INTERRUPT,\r
@@ -155,61 +155,55 @@ EVENT_HANDLER(USB_ConfigurationChanged)
  *  control requests that are not handled internally by the USB library (including the CDC control commands,\r
  *  which are all issued via the control endpoint), so that they can be handled appropriately for the application.\r
  */\r
-EVENT_HANDLER(USB_UnhandledControlPacket)\r
+void EVENT_USB_UnhandledControlPacket(void)\r
 {\r
        uint8_t* LineCodingData = (uint8_t*)&LineCoding;\r
 \r
        /* Process CDC specific control requests */\r
-       switch (bRequest)\r
+       switch (USB_ControlRequest.bRequest)\r
        {\r
                case REQ_GetLineEncoding:\r
-                       if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
+                       if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
                        {       \r
                                /* Acknowledge the SETUP packet, ready for data transfer */\r
-                               Endpoint_ClearControlSETUP();\r
+                               Endpoint_ClearSETUP();\r
 \r
                                /* Write the line coding data to the control endpoint */\r
                                Endpoint_Write_Control_Stream_LE(LineCodingData, sizeof(CDC_Line_Coding_t));\r
                                \r
                                /* Finalize the stream transfer to send the last packet or clear the host abort */\r
-                               Endpoint_ClearControlOUT();\r
+                               Endpoint_ClearOUT();\r
                        }\r
                        \r
                        break;\r
                case REQ_SetLineEncoding:\r
-                       if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
+                       if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
                        {\r
                                /* Acknowledge the SETUP packet, ready for data transfer */\r
-                               Endpoint_ClearControlSETUP();\r
+                               Endpoint_ClearSETUP();\r
 \r
                                /* Read the line coding data in from the host into the global struct */\r
                                Endpoint_Read_Control_Stream_LE(LineCodingData, sizeof(CDC_Line_Coding_t));\r
 \r
                                /* Finalize the stream transfer to clear the last packet from the host */\r
-                               Endpoint_ClearControlIN();\r
+                               Endpoint_ClearIN();\r
                        }\r
        \r
                        break;\r
                case REQ_SetControlLineState:\r
-                       if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
+                       if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
                        {\r
-#if 0\r
+                               /* Acknowledge the SETUP packet, ready for data transfer */\r
+                               Endpoint_ClearSETUP();\r
+                               \r
                                /* NOTE: Here you can read in the line state mask from the host, to get the current state of the output handshake\r
-                                        lines. The mask is read in from the wValue parameter, and can be masked against the CONTROL_LINE_OUT_* masks\r
-                                        to determine the RTS and DTR line states using the following code:\r
+                                        lines. The mask is read in from the wValue parameter in USB_ControlRequest, and can be masked against the\r
+                                                CONTROL_LINE_OUT_* masks to determine the RTS and DTR line states using the following code:\r
                                */\r
-\r
-                               uint16_t wIndex = Endpoint_Read_Word_LE();\r
-                                       \r
-                               // Do something with the given line states in wIndex\r
-#endif\r
-                               \r
-                               /* Acknowledge the SETUP packet, ready for data transfer */\r
-                               Endpoint_ClearControlSETUP();\r
                                \r
                                /* Acknowledge status stage */\r
                                while (!(Endpoint_IsINReady()));\r
-                               Endpoint_ClearControlIN();\r
+                               Endpoint_ClearIN();\r
                        }\r
        \r
                        break;\r
@@ -256,11 +250,11 @@ TASK(CDC_Task)
        */\r
        USB_Notification_Header_t Notification = (USB_Notification_Header_t)\r
                {\r
-                       NotificationType: (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),\r
-                       Notification:     NOTIF_SerialState,\r
-                       wValue:           0,\r
-                       wIndex:           0,\r
-                       wLength:          sizeof(uint16_t),\r
+                       .NotificationType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),\r
+                       .Notification     = NOTIF_SerialState,\r
+                       .wValue           = 0,\r
+                       .wIndex           = 0,\r
+                       .wLength          = sizeof(uint16_t),\r
                };\r
                \r
        uint16_t LineStateMask;\r