Add script reading bootloader flags
[pub/lufa.git] / Demos / Host / LowLevel / MouseHost / MouseHost.c
index bf20bca..c7e1826 100644 (file)
@@ -1,24 +1,24 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
-              
+     Copyright (C) Dean Camera, 2021.
+
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2021  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
-  Permission to use, copy, modify, distribute, and sell this 
+  Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
-  without fee, provided that the above copyright notice appear in 
+  without fee, provided that the above copyright notice appear in
   all copies and that both that the copyright notice and this
-  permission notice and warranty disclaimer appear in supporting 
-  documentation, and that the name of the author not be used in 
-  advertising or publicity pertaining to distribution of the 
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
-  The author disclaim all warranties with regard to this
+  The author disclaims all warranties with regard to this
   software, including all implied warranties of merchantability
   and fitness.  In no event shall the author be liable for any
   special, indirect or consequential damages or any damages
@@ -33,7 +33,7 @@
  *  Main source file for the MouseHost demo. This file contains the main tasks of
  *  the demo and is responsible for the initial application hardware configuration.
  */
+
 #include "MouseHost.h"
 
 /** Main program entry point. This routine configures the hardware required by the application, then
@@ -46,11 +46,12 @@ int main(void)
        puts_P(PSTR(ESC_FG_CYAN "Mouse HID Host Demo running.\r\n" ESC_FG_WHITE));
 
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-       sei();
+       GlobalInterruptEnable();
 
        for (;;)
        {
-               Mouse_HID_Task();
+               MouseHost_Task();
+
                USB_USBTask();
        }
 }
@@ -58,17 +59,22 @@ int main(void)
 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 void SetupHardware(void)
 {
+#if (ARCH == ARCH_AVR8)
        /* Disable watchdog if enabled by bootloader/fuses */
        MCUSR &= ~(1 << WDRF);
        wdt_disable();
 
        /* Disable clock division */
        clock_prescale_set(clock_div_1);
-       
+#endif
+
        /* Hardware Initialization */
-       SerialStream_Init(9600, false);
+       Serial_Init(9600, false);
        LEDs_Init();
        USB_Init();
+
+       /* Create a stdio stream for the serial port for stdin and stdout */
+       Serial_CreateStream(NULL);
 }
 
 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
@@ -94,13 +100,66 @@ void EVENT_USB_Host_DeviceUnattached(void)
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
+       puts_P(PSTR("Getting Config Data.\r\n"));
+
+       uint8_t ErrorCode;
+
+       /* Get and process the configuration descriptor data */
+       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
+       {
+               if (ErrorCode == ControlError)
+                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
+               else
+                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
+
+               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
+       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
+       {
+               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
+                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       /* HID class request to set the mouse protocol to the Boot Protocol */
+       USB_ControlRequest = (USB_Request_Header_t)
+               {
+                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+                       .bRequest      = HID_REQ_SetProtocol,
+                       .wValue        = 0,
+                       .wIndex        = 0,
+                       .wLength       = 0,
+               };
+
+       /* Select the control pipe for the request transfer */
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+       /* Send the request, display error and wait for device detach if request fails */
+       if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
+       {
+               printf_P(PSTR(ESC_FG_RED "Control Error (Set Protocol).\r\n"
+                                                                " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               USB_Host_SetDeviceConfiguration(0);
+               return;
+       }
+
+       puts_P(PSTR("Mouse Enumerated.\r\n"));
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 
 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 {
-       USB_ShutDown();
+       USB_Disable();
 
        printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
                                 " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
@@ -126,15 +185,18 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
 /** Reads in and processes the next report from the attached device, displaying the report
  *  contents on the board LEDs and via the serial port.
  */
-void ReadNextReport(void)
+void MouseHost_Task(void)
 {
+       if (USB_HostState != HOST_STATE_Configured)
+         return;
+
        USB_MouseReport_Data_t MouseReport;
        uint8_t                LEDMask = LEDS_NO_LEDS;
 
        /* Select mouse data pipe */
-       Pipe_SelectPipe(MOUSE_DATAPIPE);        
+       Pipe_SelectPipe(MOUSE_DATA_IN_PIPE);
 
-       /* Unfreeze keyboard data pipe */
+       /* Unfreeze mouse data pipe */
        Pipe_Unfreeze();
 
        /* Check to see if a packet has been received */
@@ -142,10 +204,10 @@ void ReadNextReport(void)
        {
                /* No packet received (no movement), turn off LEDs */
                LEDs_SetAllLEDs(LEDS_NO_LEDS);
-       
+
                /* Refreeze HID data IN pipe */
                Pipe_Freeze();
-                       
+
                return;
        }
 
@@ -153,14 +215,14 @@ void ReadNextReport(void)
        if (Pipe_IsReadWriteAllowed())
        {
                /* Read in mouse report data */
-               Pipe_Read_Stream_LE(&MouseReport, sizeof(MouseReport));                         
+               Pipe_Read_Stream_LE(&MouseReport, sizeof(MouseReport), NULL);
 
                /* Alter status LEDs according to mouse X movement */
                if (MouseReport.X > 0)
                  LEDMask |= LEDS_LED1;
                else if (MouseReport.X < 0)
                  LEDMask |= LEDS_LED2;
-                       
+
                /* Alter status LEDs according to mouse Y movement */
                if (MouseReport.Y > 0)
                  LEDMask |= LEDS_LED3;
@@ -170,9 +232,9 @@ void ReadNextReport(void)
                /* Alter status LEDs according to mouse button position */
                if (MouseReport.Button)
                  LEDMask  = LEDS_ALL_LEDS;
-               
+
                LEDs_SetAllLEDs(LEDMask);
-               
+
                /* Print mouse report data through the serial port */
                printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X,
                                                                                                          MouseReport.Y,
@@ -186,86 +248,3 @@ void ReadNextReport(void)
        Pipe_Freeze();
 }
 
-/** Task to set the configuration of the attached device after it has been enumerated, and to read and process
- *  HID reports from the device and display the results onto the board LEDs.
- */
-void Mouse_HID_Task(void)
-{
-       uint8_t ErrorCode;
-
-       /* Switch to determine what user-application handled host state the host state machine is in */
-       switch (USB_HostState)
-       {
-               case HOST_STATE_Addressed:
-                       puts_P(PSTR("Getting Config Data.\r\n"));
-               
-                       /* Get and process the configuration descriptor data */
-                       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
-                       {
-                               if (ErrorCode == ControlError)
-                                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
-                               else
-                                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
-
-                               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-                               
-                               /* Indicate error status */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
-                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
-                       {
-                               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
-                                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error status */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-                               
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-                       
-                       /* HID class request to set the mouse protocol to the Boot Protocol */
-                       USB_ControlRequest = (USB_Request_Header_t)
-                               {
-                                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
-                                       .bRequest      = REQ_SetProtocol,
-                                       .wValue        = 0,
-                                       .wIndex        = 0,
-                                       .wLength       = 0,
-                               };
-
-                       /* Select the control pipe for the request transfer */
-                       Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
-                       /* Send the request, display error and wait for device detach if request fails */
-                       if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
-                       {
-                               printf_P(PSTR(ESC_FG_RED "Control Error (Set Protocol).\r\n"
-                                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error status */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-                               
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       puts_P(PSTR("Mouse Enumerated.\r\n"));
-
-                       USB_HostState = HOST_STATE_Configured;
-                       break;
-               case HOST_STATE_Configured:
-                       /* If a report has been received, read and process it */
-                       ReadNextReport();
-
-                       break;
-       }
-}