Add documentation to the USB Class Drivers module on how to use the Host mode class...

[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / DevChapter9.h

diff --git a/LUFA/Drivers/USB/LowLevel/DevChapter9.h b/LUFA/Drivers/USB/LowLevel/DevChapter9.h
index 65fa041..3d49062 100644 (file)
--- a/LUFA/Drivers/USB/LowLevel/DevChapter9.h
+++ b/LUFA/Drivers/USB/LowLevel/DevChapter9.h
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
 /*\r
              LUFA Library\r

-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r

               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r

-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r

 \r
 \r

-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
+  Permission to use, copy, modify, distribute, and sell this \r
+  software and its documentation for any purpose is hereby granted\r
+  without fee, provided that the above copyright notice appear in \r
+  all copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting \r
+  documentation, and that the name of the author not be used in \r
+  advertising or publicity pertaining to distribution of the \r

   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r


@@ -36,8 +36,6 @@
                #include <avr/pgmspace.h>\r
                #include <avr/eeprom.h>\r
                #include <avr/boot.h>\r
                #include <avr/pgmspace.h>\r
                #include <avr/eeprom.h>\r
                #include <avr/boot.h>\r

-               #include <stdlib.h>\r
-               #include <ctype.h>\r

                \r
                #include "../HighLevel/StdDescriptors.h"\r
                #include "../HighLevel/Events.h"\r
                \r
                #include "../HighLevel/StdDescriptors.h"\r
                #include "../HighLevel/Events.h"\r


@@ -45,30 +43,38 @@
                #include "../HighLevel/USBTask.h"\r
                #include "LowLevel.h"\r
 \r
                #include "../HighLevel/USBTask.h"\r
                #include "LowLevel.h"\r
 \r

-       /* Preprocessor Checks: */\r
-               #if defined(USE_INTERNAL_SERIAL) && !(defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))\r
-                       #error USE_INTERNAL_SERIAL invalid, the selected AVR model does not contain unique serial bytes.\r
-               #endif\r
-               \r
-               #if defined(USE_INTERNAL_SERIAL) && (USE_INTERNAL_SERIAL <= 1)\r
-                       #error USE_INTERNAL_SERIAL must be defined to the string descriptor index chosen for the serial number descriptor.\r
-               #endif\r
-\r

        /* Enable C linkage for C++ Compilers: */\r
                #if defined(__cplusplus)\r
                        extern "C" {\r
                #endif\r
 \r
        /* Public Interface - May be used in end-application: */\r
        /* Enable C linkage for C++ Compilers: */\r
                #if defined(__cplusplus)\r
                        extern "C" {\r
                #endif\r
 \r
        /* Public Interface - May be used in end-application: */\r

+               /* Macros: */\r
+                       #if defined(USE_SINGLE_DEVICE_CONFIGURATION)\r
+                               #define FIXED_NUM_CONFIGURATIONS           1\r
+                       #endif\r
+       \r
+               /* Enums: */\r
+                       #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)\r
+                               /** Enum for the possible descriptor memory spaces, for the MemoryAddressSpace of the\r
+                                *  \ref CALLBACK_USB_GetDescriptor() function. This can be used when none of the USE_*_DESCRIPTORS\r
+                                *  compile time options are used, to indicate in which memory space the descriptor is stored.\r
+                                *\r
+                                *  \ingroup Group_Device\r
+                                */\r
+                               enum USB_DescriptorMemorySpaces_t\r
+                               {\r
+                                       MEMSPACE_FLASH    = 0, /**< Indicates the requested descriptor is located in FLASH memory */\r
+                                       MEMSPACE_EEPROM   = 1, /**< Indicates the requested descriptor is located in EEPROM memory */\r
+                                       MEMSPACE_RAM      = 2, /**< Indicates the requested descriptor is located in RAM memory */\r
+                               };\r
+                       #endif\r
+       \r

                /* Global Variables: */\r
                        /** Indicates the currently set configuration number of the device. USB devices may have several\r
                         *  different configurations which the host can select between; this indicates the currently selected\r
                         *  value, or 0 if no configuration has been selected.\r
                         *\r
                /* Global Variables: */\r
                        /** Indicates the currently set configuration number of the device. USB devices may have several\r
                         *  different configurations which the host can select between; this indicates the currently selected\r
                         *  value, or 0 if no configuration has been selected.\r
                         *\r

-                        *  If a device has only one single configuration, the token USE_SINGLE_DEVICE_CONFIGURATION may be\r
-                        *  defined in the project makefile and passed to the compiler using the -D switch. This optimize for\r
-                        *  a single configuration, saving a small amount of space in the resulting compiled binary.\r
-                        *\r

                         *  \note This variable should be treated as read-only in the user application, and never manually\r
                         *        changed in value.\r
                         *\r
                         *  \note This variable should be treated as read-only in the user application, and never manually\r
                         *        changed in value.\r
                         *\r


@@ -76,32 +82,47 @@
                         */\r
                        extern uint8_t USB_ConfigurationNumber;\r
                        \r
                         */\r
                        extern uint8_t USB_ConfigurationNumber;\r
                        \r

-                       /** Indicates if the host is currently allowing the device to issue remote wakeup events. If this\r
-                        *  flag is cleared, the device should not issue remote wakeup events to the host.\r
-                        *\r
-                        *  \note This variable should be treated as read-only in the user application, and never manually\r
-                        *        changed in value.\r
-                        *\r
-                        *  \ingroup Group_Device\r
-                        */\r
-                       extern bool USB_RemoteWakeupEnabled;\r
+                       #if !defined(NO_DEVICE_REMOTE_WAKEUP)\r
+                               /** Indicates if the host is currently allowing the device to issue remote wakeup events. If this\r
+                                *  flag is cleared, the device should not issue remote wakeup events to the host.\r
+                                *\r
+                                *  \note This variable should be treated as read-only in the user application, and never manually\r
+                                *        changed in value.\r
+                                *\r
+                                *  \note To reduce FLASH usage of the compiled applications where Remote Wakeup is not supported,\r
+                                *        this global and the underlying management code can be disabled by defining the \r
+                                *        NO_DEVICE_REMOTE_WAKEUP token in the project makefile and passing it to the compiler via\r
+                                *        the -D switch.\r
+                                *\r
+                                *  \ingroup Group_Device\r
+                                */\r
+                               extern bool USB_RemoteWakeupEnabled;\r
+                       #endif\r

                        \r
                        \r

-                       /** Indicates if the device is currently being powered by its own power supply, rather than being\r
-                        *  powered by the host's USB supply. This flag should remain cleared if the device does not\r
-                        *  support self powered mode, as indicated in the device descriptors.\r
-                        *\r
-                        *  \ingroup Group_Device\r
-                        */\r
-                       extern bool USB_CurrentlySelfPowered;\r
+                       #if !defined(NO_DEVICE_SELF_POWER)\r
+                               /** Indicates if the device is currently being powered by its own power supply, rather than being\r
+                                *  powered by the host's USB supply. This flag should remain cleared if the device does not\r
+                                *  support self powered mode, as indicated in the device descriptors.\r
+                                *\r
+                                *  \ingroup Group_Device\r
+                                */\r
+                               extern bool USB_CurrentlySelfPowered;\r
+                       #endif\r

        \r
        /* Private Interface - For use in library only: */\r
        #if !defined(__DOXYGEN__)\r
                #if defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS)\r
                        #error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.\r
        \r
        /* Private Interface - For use in library only: */\r
        #if !defined(__DOXYGEN__)\r
                #if defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS)\r
                        #error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.\r

+               #elif defined(USE_RAM_DESCRIPTORS) && defined(USE_FLASH_DESCRIPTORS)\r
+                       #error USE_RAM_DESCRIPTORS and USE_FLASH_DESCRIPTORS are mutually exclusive.\r
+               #elif defined(USE_FLASH_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS)\r
+                       #error USE_FLASH_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.\r
+               #elif defined(USE_FLASH_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS) && defined(USE_RAM_DESCRIPTORS)\r
+                       #error Only one of the USE_*_DESCRIPTORS modes should be selected.\r

                #endif\r
        \r
                /* Function Prototypes: */\r
                #endif\r
        \r
                /* Function Prototypes: */\r

-                       void USB_Device_ProcessControlPacket(void);\r
+                       void USB_Device_ProcessControlRequest(void);\r

                        \r
                        #if defined(INCLUDE_FROM_DEVCHAPTER9_C)\r
                                static void USB_Device_SetAddress(void);\r
                        \r
                        #if defined(INCLUDE_FROM_DEVCHAPTER9_C)\r
                                static void USB_Device_SetAddress(void);\r


@@ -110,6 +131,11 @@
                                static void USB_Device_GetDescriptor(void);\r
                                static void USB_Device_GetStatus(void);\r
                                static void USB_Device_ClearSetFeature(void);\r
                                static void USB_Device_GetDescriptor(void);\r
                                static void USB_Device_GetStatus(void);\r
                                static void USB_Device_ClearSetFeature(void);\r

+                               \r
+                               #if !defined(NO_INTERNAL_SERIAL) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))\r
+                                       static char USB_Device_NibbleToASCII(uint8_t Nibble) ATTR_ALWAYS_INLINE;\r
+                                       static void USB_Device_GetInternalSerialDescriptor(void);\r
+                               #endif                          \r

                        #endif\r
        #endif\r
 \r
                        #endif\r
        #endif\r
 \r