Added beginnings of a new AVRISP-MKII clone project.
[pub/USBasp.git] / Demos / Device / LowLevel / DualCDC / DualCDC.c
index 862945e..efbecd6 100644 (file)
  *  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 LineCoding1 = { .BaudRateBPS = 9600,\r
-                                  .CharFormat  = OneStopBit,\r
-                                  .ParityType  = Parity_None,\r
-                                  .DataBits    = 8            };\r
+CDC_Line_Coding_t LineEncoding1 = { .BaudRateBPS = 0,\r
+                                    .CharFormat  = OneStopBit,\r
+                                    .ParityType  = Parity_None,\r
+                                    .DataBits    = 8            };\r
 \r
 /** Contains the current baud rate and other settings of the second virtual serial port. While this demo does not use\r
  *  the physical USART and thus does not use these settings, they must still be retained and returned to the host\r
@@ -58,10 +58,10 @@ CDC_Line_Coding_t LineCoding1 = { .BaudRateBPS = 9600,
  *  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 LineCoding2 = { .BaudRateBPS = 9600,\r
-                                  .CharFormat  = OneStopBit,\r
-                                  .ParityType  = Parity_None,\r
-                                  .DataBits    = 8            };\r
+CDC_Line_Coding_t LineEncoding2 = { .BaudRateBPS = 0,\r
+                                    .CharFormat  = OneStopBit,\r
+                                    .ParityType  = Parity_None,\r
+                                    .DataBits    = 8            };\r
 \r
 /** Main program entry point. This routine configures the hardware required by the application, then\r
  *  starts the scheduler to run the application tasks.\r
@@ -97,7 +97,7 @@ void SetupHardware(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
-void EVENT_USB_Connect(void)\r
+void EVENT_USB_Device_Connect(void)\r
 {\r
        /* Indicate USB enumerating */\r
        LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
@@ -106,7 +106,7 @@ 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\r
  *  the status LEDs and stops the USB management and CDC management tasks.\r
  */\r
-void EVENT_USB_Disconnect(void)\r
+void EVENT_USB_Device_Disconnect(void)\r
 {\r
        /* Indicate USB not ready */\r
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
@@ -115,7 +115,7 @@ void EVENT_USB_Disconnect(void)
 /** 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 tasks are started.\r
  */\r
-void EVENT_USB_ConfigurationChanged(void)\r
+void EVENT_USB_Device_ConfigurationChanged(void)\r
 {                                                         \r
        /* Indicate USB connected and ready */\r
        LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
@@ -163,16 +163,20 @@ void EVENT_USB_ConfigurationChanged(void)
        {\r
                LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
        }\r
+       \r
+       /* Reset line encoding baud rates so that the host knows to send new values */\r
+       LineEncoding1.BaudRateBPS = 0;\r
+       LineEncoding2.BaudRateBPS = 0;\r
 }\r
 \r
-/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific\r
+/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific\r
  *  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
-void EVENT_USB_UnhandledControlPacket(void)\r
+void EVENT_USB_Device_UnhandledControlRequest(void)\r
 {\r
        /* Determine which interface's Line Coding data is being set from the wIndex parameter */\r
-       uint8_t* LineCodingData = (USB_ControlRequest.wIndex == 0) ? (uint8_t*)&LineCoding1 : (uint8_t*)&LineCoding2;\r
+       uint8_t* LineEncodingData = (USB_ControlRequest.wIndex == 0) ? (uint8_t*)&LineEncoding1 : (uint8_t*)&LineEncoding2;\r
 \r
        /* Process CDC specific control requests */\r
        switch (USB_ControlRequest.bRequest)\r
@@ -184,7 +188,7 @@ void EVENT_USB_UnhandledControlPacket(void)
                                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
+                               Endpoint_Write_Control_Stream_LE(LineEncodingData, sizeof(CDC_Line_Coding_t));\r
                                \r
                                /* Finalize the stream transfer to send the last packet or clear the host abort */\r
                                Endpoint_ClearOUT();\r
@@ -198,7 +202,7 @@ void EVENT_USB_UnhandledControlPacket(void)
                                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
+                               Endpoint_Read_Control_Stream_LE(LineEncodingData, sizeof(CDC_Line_Coding_t));\r
 \r
                                /* Finalize the stream transfer to clear the last packet from the host */\r
                                Endpoint_ClearIN();\r
@@ -211,9 +215,7 @@ void EVENT_USB_UnhandledControlPacket(void)
                                /* Acknowledge the SETUP packet, ready for data transfer */\r
                                Endpoint_ClearSETUP();\r
                                \r
-                               /* Acknowledge status stage */\r
-                               while (!(Endpoint_IsINReady()));\r
-                               Endpoint_ClearIN();\r
+                               Endpoint_ClearStatusStage();\r
                        }\r
        \r
                        break;\r
@@ -228,38 +230,27 @@ void CDC1_Task(void)
        char*       ReportString    = NULL;\r
        uint8_t     JoyStatus_LCL   = Joystick_GetStatus();\r
        static bool ActionSent      = false;\r
-\r
+       \r
        /* Device must be connected and configured for the task to run */\r
-       if (!(USB_IsConnected) || !(USB_ConfigurationNumber))\r
+       if (USB_DeviceState != DEVICE_STATE_Configured)\r
          return;\r
 \r
-       char* JoystickStrings[] =\r
-               {\r
-                       "Joystick Up\r\n",\r
-                       "Joystick Down\r\n",\r
-                       "Joystick Left\r\n",\r
-                       "Joystick Right\r\n",\r
-                       "Joystick Pressed\r\n",\r
-               };\r
-\r
        /* Determine if a joystick action has occurred */\r
        if (JoyStatus_LCL & JOY_UP)\r
-         ReportString = JoystickStrings[0];\r
+         ReportString = "Joystick Up\r\n";\r
        else if (JoyStatus_LCL & JOY_DOWN)\r
-         ReportString = JoystickStrings[1];\r
+         ReportString = "Joystick Down\r\n";\r
        else if (JoyStatus_LCL & JOY_LEFT)\r
-         ReportString = JoystickStrings[2];\r
+         ReportString = "Joystick Left\r\n";\r
        else if (JoyStatus_LCL & JOY_RIGHT)\r
-         ReportString = JoystickStrings[3];\r
+         ReportString = "Joystick Right\r\n";\r
        else if (JoyStatus_LCL & JOY_PRESS)\r
-         ReportString = JoystickStrings[4];\r
+         ReportString = "Joystick Pressed\r\n";\r
+       else\r
+         ActionSent = false;\r
 \r
        /* Flag management - Only allow one string to be sent per action */\r
-       if (ReportString == NULL)\r
-       {\r
-               ActionSent = false;\r
-       }\r
-       else if (ActionSent == false)\r
+       if ((ReportString != NULL) && (ActionSent == false) && LineEncoding1.BaudRateBPS)\r
        {\r
                ActionSent = true;\r
                \r
@@ -273,7 +264,7 @@ void CDC1_Task(void)
                Endpoint_ClearIN();\r
 \r
                /* Wait until the endpoint is ready for another packet */\r
-               while (!(Endpoint_IsINReady()));\r
+               Endpoint_WaitUntilReady();\r
                \r
                /* Send an empty packet to ensure that the host does not buffer data sent to it */\r
                Endpoint_ClearIN();\r
@@ -293,7 +284,7 @@ void CDC1_Task(void)
 void CDC2_Task(void)\r
 {\r
        /* Device must be connected and configured for the task to run */\r
-       if (!(USB_IsConnected) || !(USB_ConfigurationNumber))\r
+       if (USB_DeviceState != DEVICE_STATE_Configured)\r
          return;\r
 \r
        /* Select the Serial Rx Endpoint */\r
@@ -324,7 +315,7 @@ void CDC2_Task(void)
                Endpoint_ClearIN();\r
 \r
                /* Wait until the endpoint is ready for the next packet */\r
-               while (!(Endpoint_IsINReady()));\r
+               Endpoint_WaitUntilReady();\r
 \r
                /* Send an empty packet to prevent host buffering */\r
                Endpoint_ClearIN();\r