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This commit is contained in:
commit
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3
.gitmodules
vendored
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3
.gitmodules
vendored
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|||||||
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[submodule "LUFA"]
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||||||
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path = LUFA
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||||||
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url = https://github.com/abcminiuser/lufa.git
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||||||
222
Descriptors.c
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222
Descriptors.c
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|||||||
|
/*
|
||||||
|
LUFA Library
|
||||||
|
Copyright (C) Dean Camera, 2021.
|
||||||
|
|
||||||
|
dean [at] fourwalledcubicle [dot] com
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||||||
|
www.lufa-lib.org
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
Copyright 2021 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
||||||
|
|
||||||
|
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
|
||||||
|
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
|
||||||
|
software without specific, written prior permission.
|
||||||
|
|
||||||
|
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
|
||||||
|
whatsoever resulting from loss of use, data or profits, whether
|
||||||
|
in an action of contract, negligence or other tortious action,
|
||||||
|
arising out of or in connection with the use or performance of
|
||||||
|
this software.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/** \file
|
||||||
|
*
|
||||||
|
* USB Device Descriptors, for library use when in USB device mode. Descriptors are special
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||||||
|
* computer-readable structures which the host requests upon device enumeration, to determine
|
||||||
|
* the device's capabilities and functions.
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||||||
|
*/
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||||||
|
|
||||||
|
#include "Descriptors.h"
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||||||
|
|
||||||
|
|
||||||
|
/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall
|
||||||
|
* device characteristics, including the supported USB version, control endpoint size and the
|
||||||
|
* number of device configurations. The descriptor is read out by the USB host when the enumeration
|
||||||
|
* process begins.
|
||||||
|
*/
|
||||||
|
const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
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||||||
|
{
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|
.Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
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||||||
|
.USBSpecification = VERSION_BCD(1,1,0),
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||||||
|
.Class = CDC_CSCP_CDCClass,
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||||||
|
.SubClass = CDC_CSCP_NoSpecificSubclass,
|
||||||
|
.Protocol = CDC_CSCP_NoSpecificProtocol,
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||||||
|
.Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
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|
.VendorID = 0x03EB,
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||||||
|
.ProductID = 0x2044,
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||||||
|
.ReleaseNumber = VERSION_BCD(0,0,1),
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||||||
|
.ManufacturerStrIndex = STRING_ID_Manufacturer,
|
||||||
|
.ProductStrIndex = STRING_ID_Product,
|
||||||
|
.SerialNumStrIndex = USE_INTERNAL_SERIAL,
|
||||||
|
.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
|
||||||
|
};
|
||||||
|
|
||||||
|
/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage
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|
* of the device in one of its supported configurations, including information about any device interfaces
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|
* and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
|
||||||
|
* a configuration so that the host may correctly communicate with the USB device.
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||||||
|
*/
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|
const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
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||||||
|
{
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|
.Config =
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||||||
|
{
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|
.Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
|
||||||
|
.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
|
||||||
|
.TotalInterfaces = 2,
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|
.ConfigurationNumber = 1,
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||||||
|
.ConfigurationStrIndex = NO_DESCRIPTOR,
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||||||
|
.ConfigAttributes = (USB_CONFIG_ATTR_RESERVED | USB_CONFIG_ATTR_SELFPOWERED),
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|
.MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
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|
},
|
||||||
|
|
||||||
|
.CDC_CCI_Interface =
|
||||||
|
{
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||||||
|
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
||||||
|
.InterfaceNumber = INTERFACE_ID_CDC_CCI,
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|
.AlternateSetting = 0,
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|
.TotalEndpoints = 1,
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|
.Class = CDC_CSCP_CDCClass,
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||||||
|
.SubClass = CDC_CSCP_ACMSubclass,
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|
.Protocol = CDC_CSCP_ATCommandProtocol,
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|
.InterfaceStrIndex = NO_DESCRIPTOR
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||||||
|
},
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||||||
|
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||||||
|
.CDC_Functional_Header =
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||||||
|
{
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|
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalHeader_t), .Type = CDC_DTYPE_CSInterface},
|
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|
.Subtype = CDC_DSUBTYPE_CSInterface_Header,
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|
.CDCSpecification = VERSION_BCD(1,1,0),
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|
},
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||||||
|
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||||||
|
.CDC_Functional_ACM =
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||||||
|
{
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|
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalACM_t), .Type = CDC_DTYPE_CSInterface},
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|
.Subtype = CDC_DSUBTYPE_CSInterface_ACM,
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||||||
|
.Capabilities = 0x06,
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|
},
|
||||||
|
|
||||||
|
.CDC_Functional_Union =
|
||||||
|
{
|
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|
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalUnion_t), .Type = CDC_DTYPE_CSInterface},
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|
.Subtype = CDC_DSUBTYPE_CSInterface_Union,
|
||||||
|
.MasterInterfaceNumber = INTERFACE_ID_CDC_CCI,
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|
.SlaveInterfaceNumber = INTERFACE_ID_CDC_DCI,
|
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|
},
|
||||||
|
|
||||||
|
.CDC_NotificationEndpoint =
|
||||||
|
{
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|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
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||||||
|
.EndpointAddress = CDC_NOTIFICATION_EPADDR,
|
||||||
|
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
|
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|
.EndpointSize = CDC_NOTIFICATION_EPSIZE,
|
||||||
|
.PollingIntervalMS = 0xFF
|
||||||
|
},
|
||||||
|
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||||||
|
.CDC_DCI_Interface =
|
||||||
|
{
|
||||||
|
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
||||||
|
.InterfaceNumber = INTERFACE_ID_CDC_DCI,
|
||||||
|
.AlternateSetting = 0,
|
||||||
|
.TotalEndpoints = 2,
|
||||||
|
.Class = CDC_CSCP_CDCDataClass,
|
||||||
|
.SubClass = CDC_CSCP_NoDataSubclass,
|
||||||
|
.Protocol = CDC_CSCP_NoDataProtocol,
|
||||||
|
.InterfaceStrIndex = NO_DESCRIPTOR
|
||||||
|
},
|
||||||
|
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||||||
|
.CDC_DataOutEndpoint =
|
||||||
|
{
|
||||||
|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
|
||||||
|
.EndpointAddress = CDC_RX_EPADDR,
|
||||||
|
.Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
|
||||||
|
.EndpointSize = CDC_TXRX_EPSIZE,
|
||||||
|
.PollingIntervalMS = 0x05
|
||||||
|
},
|
||||||
|
|
||||||
|
.CDC_DataInEndpoint =
|
||||||
|
{
|
||||||
|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
|
||||||
|
.EndpointAddress = CDC_TX_EPADDR,
|
||||||
|
.Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
|
||||||
|
.EndpointSize = CDC_TXRX_EPSIZE,
|
||||||
|
.PollingIntervalMS = 0x05
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests
|
||||||
|
* the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
|
||||||
|
* via the language ID table available at USB.org what languages the device supports for its string descriptors.
|
||||||
|
*/
|
||||||
|
const USB_Descriptor_String_t PROGMEM LanguageString = USB_STRING_DESCRIPTOR_ARRAY(LANGUAGE_ID_ENG);
|
||||||
|
|
||||||
|
/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable
|
||||||
|
* form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
|
||||||
|
* Descriptor.
|
||||||
|
*/
|
||||||
|
const USB_Descriptor_String_t PROGMEM ManufacturerString = USB_STRING_DESCRIPTOR(L"LUFA Library");
|
||||||
|
|
||||||
|
/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
|
||||||
|
* and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
|
||||||
|
* Descriptor.
|
||||||
|
*/
|
||||||
|
const USB_Descriptor_String_t PROGMEM ProductString = USB_STRING_DESCRIPTOR(L"LUFA CDC Demo");
|
||||||
|
|
||||||
|
/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
|
||||||
|
* documentation) by the application code so that the address and size of a requested descriptor can be given
|
||||||
|
* to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
|
||||||
|
* is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
|
||||||
|
* USB host.
|
||||||
|
*/
|
||||||
|
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
|
||||||
|
const uint16_t wIndex,
|
||||||
|
const void** const DescriptorAddress)
|
||||||
|
{
|
||||||
|
const uint8_t DescriptorType = (wValue >> 8);
|
||||||
|
const uint8_t DescriptorNumber = (wValue & 0xFF);
|
||||||
|
|
||||||
|
const void* Address = NULL;
|
||||||
|
uint16_t Size = NO_DESCRIPTOR;
|
||||||
|
|
||||||
|
switch (DescriptorType)
|
||||||
|
{
|
||||||
|
case DTYPE_Device:
|
||||||
|
Address = &DeviceDescriptor;
|
||||||
|
Size = sizeof(USB_Descriptor_Device_t);
|
||||||
|
break;
|
||||||
|
case DTYPE_Configuration:
|
||||||
|
Address = &ConfigurationDescriptor;
|
||||||
|
Size = sizeof(USB_Descriptor_Configuration_t);
|
||||||
|
break;
|
||||||
|
case DTYPE_String:
|
||||||
|
switch (DescriptorNumber)
|
||||||
|
{
|
||||||
|
case STRING_ID_Language:
|
||||||
|
Address = &LanguageString;
|
||||||
|
Size = pgm_read_byte(&LanguageString.Header.Size);
|
||||||
|
break;
|
||||||
|
case STRING_ID_Manufacturer:
|
||||||
|
Address = &ManufacturerString;
|
||||||
|
Size = pgm_read_byte(&ManufacturerString.Header.Size);
|
||||||
|
break;
|
||||||
|
case STRING_ID_Product:
|
||||||
|
Address = &ProductString;
|
||||||
|
Size = pgm_read_byte(&ProductString.Header.Size);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
*DescriptorAddress = Address;
|
||||||
|
return Size;
|
||||||
|
}
|
||||||
|
|
||||||
110
Descriptors.h
Normal file
110
Descriptors.h
Normal file
@ -0,0 +1,110 @@
|
|||||||
|
/*
|
||||||
|
LUFA Library
|
||||||
|
Copyright (C) Dean Camera, 2021.
|
||||||
|
|
||||||
|
dean [at] fourwalledcubicle [dot] com
|
||||||
|
www.lufa-lib.org
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
Copyright 2021 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
||||||
|
|
||||||
|
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
|
||||||
|
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
|
||||||
|
software without specific, written prior permission.
|
||||||
|
|
||||||
|
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
|
||||||
|
whatsoever resulting from loss of use, data or profits, whether
|
||||||
|
in an action of contract, negligence or other tortious action,
|
||||||
|
arising out of or in connection with the use or performance of
|
||||||
|
this software.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/** \file
|
||||||
|
*
|
||||||
|
* Header file for Descriptors.c.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _DESCRIPTORS_H_
|
||||||
|
#define _DESCRIPTORS_H_
|
||||||
|
|
||||||
|
/* Includes: */
|
||||||
|
#include <LUFA/Drivers/USB/USB.h>
|
||||||
|
|
||||||
|
#include <avr/pgmspace.h>
|
||||||
|
|
||||||
|
/* Macros: */
|
||||||
|
/** Endpoint address of the CDC device-to-host notification IN endpoint. */
|
||||||
|
#define CDC_NOTIFICATION_EPADDR (ENDPOINT_DIR_IN | 2)
|
||||||
|
|
||||||
|
/** Endpoint address of the CDC device-to-host data IN endpoint. */
|
||||||
|
#define CDC_TX_EPADDR (ENDPOINT_DIR_IN | 3)
|
||||||
|
|
||||||
|
/** Endpoint address of the CDC host-to-device data OUT endpoint. */
|
||||||
|
#define CDC_RX_EPADDR (ENDPOINT_DIR_OUT | 4)
|
||||||
|
|
||||||
|
/** Size in bytes of the CDC device-to-host notification IN endpoint. */
|
||||||
|
#define CDC_NOTIFICATION_EPSIZE 8
|
||||||
|
|
||||||
|
/** Size in bytes of the CDC data IN and OUT endpoints. */
|
||||||
|
#define CDC_TXRX_EPSIZE 16
|
||||||
|
|
||||||
|
/* Type Defines: */
|
||||||
|
/** Type define for the device configuration descriptor structure. This must be defined in the
|
||||||
|
* application code, as the configuration descriptor contains several sub-descriptors which
|
||||||
|
* vary between devices, and which describe the device's usage to the host.
|
||||||
|
*/
|
||||||
|
typedef struct
|
||||||
|
{
|
||||||
|
USB_Descriptor_Configuration_Header_t Config;
|
||||||
|
|
||||||
|
// CDC Control Interface
|
||||||
|
USB_Descriptor_Interface_t CDC_CCI_Interface;
|
||||||
|
USB_CDC_Descriptor_FunctionalHeader_t CDC_Functional_Header;
|
||||||
|
USB_CDC_Descriptor_FunctionalACM_t CDC_Functional_ACM;
|
||||||
|
USB_CDC_Descriptor_FunctionalUnion_t CDC_Functional_Union;
|
||||||
|
USB_Descriptor_Endpoint_t CDC_NotificationEndpoint;
|
||||||
|
|
||||||
|
// CDC Data Interface
|
||||||
|
USB_Descriptor_Interface_t CDC_DCI_Interface;
|
||||||
|
USB_Descriptor_Endpoint_t CDC_DataOutEndpoint;
|
||||||
|
USB_Descriptor_Endpoint_t CDC_DataInEndpoint;
|
||||||
|
} USB_Descriptor_Configuration_t;
|
||||||
|
|
||||||
|
/** Enum for the device interface descriptor IDs within the device. Each interface descriptor
|
||||||
|
* should have a unique ID index associated with it, which can be used to refer to the
|
||||||
|
* interface from other descriptors.
|
||||||
|
*/
|
||||||
|
enum InterfaceDescriptors_t
|
||||||
|
{
|
||||||
|
INTERFACE_ID_CDC_CCI = 0, /**< CDC CCI interface descriptor ID */
|
||||||
|
INTERFACE_ID_CDC_DCI = 1, /**< CDC DCI interface descriptor ID */
|
||||||
|
};
|
||||||
|
|
||||||
|
/** Enum for the device string descriptor IDs within the device. Each string descriptor should
|
||||||
|
* have a unique ID index associated with it, which can be used to refer to the string from
|
||||||
|
* other descriptors.
|
||||||
|
*/
|
||||||
|
enum StringDescriptors_t
|
||||||
|
{
|
||||||
|
STRING_ID_Language = 0, /**< Supported Languages string descriptor ID (must be zero) */
|
||||||
|
STRING_ID_Manufacturer = 1, /**< Manufacturer string ID */
|
||||||
|
STRING_ID_Product = 2, /**< Product string ID */
|
||||||
|
};
|
||||||
|
|
||||||
|
/* Function Prototypes: */
|
||||||
|
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
|
||||||
|
const uint16_t wIndex,
|
||||||
|
const void** const DescriptorAddress)
|
||||||
|
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
1
LUFA
Submodule
1
LUFA
Submodule
@ -0,0 +1 @@
|
|||||||
|
Subproject commit fa2cc3e1c3abab7c971506bd86ca4e28ecc7d288
|
||||||
86
LUFAConfig.h
Normal file
86
LUFAConfig.h
Normal file
@ -0,0 +1,86 @@
|
|||||||
|
/*
|
||||||
|
LUFA Library
|
||||||
|
Copyright (C) Dean Camera, 2021.
|
||||||
|
|
||||||
|
dean [at] fourwalledcubicle [dot] com
|
||||||
|
www.lufa-lib.org
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
Copyright 2021 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
||||||
|
|
||||||
|
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
|
||||||
|
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
|
||||||
|
software without specific, written prior permission.
|
||||||
|
|
||||||
|
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
|
||||||
|
whatsoever resulting from loss of use, data or profits, whether
|
||||||
|
in an action of contract, negligence or other tortious action,
|
||||||
|
arising out of or in connection with the use or performance of
|
||||||
|
this software.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/** \file
|
||||||
|
* \brief LUFA Library Configuration Header File
|
||||||
|
*
|
||||||
|
* This header file is used to configure LUFA's compile time options,
|
||||||
|
* as an alternative to the compile time constants supplied through
|
||||||
|
* a makefile.
|
||||||
|
*
|
||||||
|
* For information on what each token does, refer to the LUFA
|
||||||
|
* manual section "Summary of Compile Tokens".
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _LUFA_CONFIG_H_
|
||||||
|
#define _LUFA_CONFIG_H_
|
||||||
|
|
||||||
|
/* Non-USB Related Configuration Tokens: */
|
||||||
|
// #define DISABLE_TERMINAL_CODES
|
||||||
|
|
||||||
|
/* USB Class Driver Related Tokens: */
|
||||||
|
// #define HID_HOST_BOOT_PROTOCOL_ONLY
|
||||||
|
// #define HID_STATETABLE_STACK_DEPTH {Insert Value Here}
|
||||||
|
// #define HID_USAGE_STACK_DEPTH {Insert Value Here}
|
||||||
|
// #define HID_MAX_COLLECTIONS {Insert Value Here}
|
||||||
|
// #define HID_MAX_REPORTITEMS {Insert Value Here}
|
||||||
|
// #define HID_MAX_REPORT_IDS {Insert Value Here}
|
||||||
|
// #define NO_CLASS_DRIVER_AUTOFLUSH
|
||||||
|
|
||||||
|
/* General USB Driver Related Tokens: */
|
||||||
|
// #define ORDERED_EP_CONFIG
|
||||||
|
#define USE_STATIC_OPTIONS (USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)
|
||||||
|
#define USB_DEVICE_ONLY
|
||||||
|
// #define USB_HOST_ONLY
|
||||||
|
// #define USB_STREAM_TIMEOUT_MS {Insert Value Here}
|
||||||
|
// #define NO_LIMITED_CONTROLLER_CONNECT
|
||||||
|
// #define NO_SOF_EVENTS
|
||||||
|
|
||||||
|
/* USB Device Mode Driver Related Tokens: */
|
||||||
|
// #define USE_RAM_DESCRIPTORS
|
||||||
|
#define USE_FLASH_DESCRIPTORS
|
||||||
|
// #define USE_EEPROM_DESCRIPTORS
|
||||||
|
// #define NO_INTERNAL_SERIAL
|
||||||
|
#define FIXED_CONTROL_ENDPOINT_SIZE 8
|
||||||
|
// #define DEVICE_STATE_AS_GPIOR {Insert Value Here}
|
||||||
|
#define FIXED_NUM_CONFIGURATIONS 1
|
||||||
|
// #define CONTROL_ONLY_DEVICE
|
||||||
|
// #define INTERRUPT_CONTROL_ENDPOINT
|
||||||
|
// #define NO_DEVICE_REMOTE_WAKEUP
|
||||||
|
// #define NO_DEVICE_SELF_POWER
|
||||||
|
|
||||||
|
/* USB Host Mode Driver Related Tokens: */
|
||||||
|
// #define HOST_STATE_AS_GPIOR {Insert Value Here}
|
||||||
|
// #define USB_HOST_TIMEOUT_MS {Insert Value Here}
|
||||||
|
// #define HOST_DEVICE_SETTLE_DELAY_MS {Insert Value Here}
|
||||||
|
// #define NO_AUTO_VBUS_MANAGEMENT
|
||||||
|
// #define INVERTED_VBUS_ENABLE_LINE
|
||||||
|
|
||||||
|
#endif
|
||||||
38
Makefile
Normal file
38
Makefile
Normal file
@ -0,0 +1,38 @@
|
|||||||
|
#
|
||||||
|
# LUFA Library
|
||||||
|
# Copyright (C) Dean Camera, 2015.
|
||||||
|
#
|
||||||
|
# dean [at] fourwalledcubicle [dot] com
|
||||||
|
# www.lufa-lib.org
|
||||||
|
#
|
||||||
|
# --------------------------------------
|
||||||
|
# LUFA Project Makefile.
|
||||||
|
# --------------------------------------
|
||||||
|
|
||||||
|
# Run "make help" for target help.
|
||||||
|
|
||||||
|
MCU = atmega32u4
|
||||||
|
ARCH = AVR8
|
||||||
|
BOARD = USER
|
||||||
|
F_CPU = 16000000
|
||||||
|
F_USB = $(F_CPU)
|
||||||
|
OPTIMIZATION = s
|
||||||
|
TARGET = usbfanctrl
|
||||||
|
SRC = main.c Descriptors.c $(LUFA_SRC_USB) $(LUFA_SRC_USBCLASS) $(LUFA_SRC_PLATFORM)
|
||||||
|
LUFA_PATH = LUFA/LUFA
|
||||||
|
CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig
|
||||||
|
LD_FLAGS =
|
||||||
|
|
||||||
|
# Default target
|
||||||
|
all:
|
||||||
|
|
||||||
|
# Include LUFA build script makefiles
|
||||||
|
include $(LUFA_PATH)/Build/lufa_core.mk
|
||||||
|
include $(LUFA_PATH)/Build/lufa_sources.mk
|
||||||
|
include $(LUFA_PATH)/Build/lufa_build.mk
|
||||||
|
#include $(LUFA_PATH)/Build/lufa_cppcheck.mk
|
||||||
|
#include $(LUFA_PATH)/Build/lufa_doxygen.mk
|
||||||
|
#include $(LUFA_PATH)/Build/lufa_dfu.mk
|
||||||
|
#include $(LUFA_PATH)/Build/lufa_hid.mk
|
||||||
|
include $(LUFA_PATH)/Build/lufa_avrdude.mk
|
||||||
|
#include $(LUFA_PATH)/Build/lufa_atprogram.mk
|
||||||
181
main.c
Normal file
181
main.c
Normal file
@ -0,0 +1,181 @@
|
|||||||
|
#include <avr/io.h>
|
||||||
|
#include <avr/wdt.h>
|
||||||
|
#include <avr/power.h>
|
||||||
|
#include <avr/interrupt.h>
|
||||||
|
#include <string.h>
|
||||||
|
|
||||||
|
#include "Descriptors.h"
|
||||||
|
|
||||||
|
#include <LUFA/Drivers/USB/USB.h>
|
||||||
|
#include <LUFA/Platform/Platform.h>
|
||||||
|
|
||||||
|
void SetupHardware(void);
|
||||||
|
void CDC_Task(void);
|
||||||
|
|
||||||
|
void EVENT_USB_Device_Connect(void);
|
||||||
|
void EVENT_USB_Device_Disconnect(void);
|
||||||
|
void EVENT_USB_Device_ConfigurationChanged(void);
|
||||||
|
void EVENT_USB_Device_ControlRequest(void);
|
||||||
|
|
||||||
|
|
||||||
|
/** Contains the current baud rate and other settings of the virtual serial port. While this demo does not use
|
||||||
|
* the physical USART and thus does not use these settings, they must still be retained and returned to the host
|
||||||
|
* upon request or the host will assume the device is non-functional.
|
||||||
|
*
|
||||||
|
* These values are set by the host via a class-specific request, however they are not required to be used accurately.
|
||||||
|
* It is possible to completely ignore these value or use other settings as the host is completely unaware of the physical
|
||||||
|
* serial link characteristics and instead sends and receives data in endpoint streams.
|
||||||
|
*/
|
||||||
|
static CDC_LineEncoding_t LineEncoding = { .BaudRateBPS = 0,
|
||||||
|
.CharFormat = CDC_LINEENCODING_OneStopBit,
|
||||||
|
.ParityType = CDC_PARITY_None,
|
||||||
|
.DataBits = 8 };
|
||||||
|
|
||||||
|
|
||||||
|
/** Main program entry point. This routine contains the overall program flow, including initial
|
||||||
|
* setup of all components and the main program loop.
|
||||||
|
*/
|
||||||
|
int main(void)
|
||||||
|
{
|
||||||
|
SetupHardware();
|
||||||
|
|
||||||
|
GlobalInterruptEnable();
|
||||||
|
|
||||||
|
for (;;)
|
||||||
|
{
|
||||||
|
CDC_Task();
|
||||||
|
USB_USBTask();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Configures the board hardware and chip peripherals for the demo's functionality. */
|
||||||
|
void SetupHardware(void)
|
||||||
|
{
|
||||||
|
/* Disable watchdog if enabled by bootloader/fuses */
|
||||||
|
MCUSR &= ~(1 << WDRF);
|
||||||
|
wdt_disable();
|
||||||
|
|
||||||
|
/* Disable clock division */
|
||||||
|
clock_prescale_set(clock_div_1);
|
||||||
|
|
||||||
|
USB_Init();
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
|
||||||
|
* starts the library USB task to begin the enumeration and USB management process.
|
||||||
|
*/
|
||||||
|
void EVENT_USB_Device_Connect(void)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via
|
||||||
|
* the status LEDs and stops the USB management and CDC management tasks.
|
||||||
|
*/
|
||||||
|
void EVENT_USB_Device_Disconnect(void)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration
|
||||||
|
* of the USB device after enumeration - the device endpoints are configured and the CDC management task started.
|
||||||
|
*/
|
||||||
|
void EVENT_USB_Device_ConfigurationChanged(void)
|
||||||
|
{
|
||||||
|
/* Setup CDC Data Endpoints */
|
||||||
|
Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, CDC_NOTIFICATION_EPSIZE, 1);
|
||||||
|
Endpoint_ConfigureEndpoint(CDC_TX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
|
||||||
|
Endpoint_ConfigureEndpoint(CDC_RX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
|
||||||
|
|
||||||
|
/* Reset line encoding baud rate so that the host knows to send new values */
|
||||||
|
LineEncoding.BaudRateBPS = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
|
||||||
|
* the device from the USB host before passing along unhandled control requests to the library for processing
|
||||||
|
* internally.
|
||||||
|
*/
|
||||||
|
void EVENT_USB_Device_ControlRequest(void)
|
||||||
|
{
|
||||||
|
/* Process CDC specific control requests */
|
||||||
|
switch (USB_ControlRequest.bRequest)
|
||||||
|
{
|
||||||
|
case CDC_REQ_GetLineEncoding:
|
||||||
|
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
|
||||||
|
{
|
||||||
|
Endpoint_ClearSETUP();
|
||||||
|
|
||||||
|
/* Write the line coding data to the control endpoint */
|
||||||
|
Endpoint_Write_Control_Stream_LE(&LineEncoding, sizeof(CDC_LineEncoding_t));
|
||||||
|
Endpoint_ClearOUT();
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CDC_REQ_SetLineEncoding:
|
||||||
|
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
|
||||||
|
{
|
||||||
|
Endpoint_ClearSETUP();
|
||||||
|
|
||||||
|
/* Read the line coding data in from the host into the global struct */
|
||||||
|
Endpoint_Read_Control_Stream_LE(&LineEncoding, sizeof(CDC_LineEncoding_t));
|
||||||
|
Endpoint_ClearIN();
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case CDC_REQ_SetControlLineState:
|
||||||
|
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
|
||||||
|
{
|
||||||
|
Endpoint_ClearSETUP();
|
||||||
|
Endpoint_ClearStatusStage();
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Function to manage CDC data transmission and reception to and from the host. */
|
||||||
|
void CDC_Task(void)
|
||||||
|
{
|
||||||
|
char* ReportString = NULL;
|
||||||
|
static bool ActionSent = false;
|
||||||
|
|
||||||
|
/* Device must be connected and configured for the task to run */
|
||||||
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
||||||
|
return;
|
||||||
|
|
||||||
|
ActionSent = false;
|
||||||
|
|
||||||
|
/* Flag management - Only allow one string to be sent per action */
|
||||||
|
if ((ReportString != NULL) && (ActionSent == false) && LineEncoding.BaudRateBPS)
|
||||||
|
{
|
||||||
|
ActionSent = true;
|
||||||
|
|
||||||
|
/* Select the Serial Tx Endpoint */
|
||||||
|
Endpoint_SelectEndpoint(CDC_TX_EPADDR);
|
||||||
|
|
||||||
|
/* Write the String to the Endpoint */
|
||||||
|
Endpoint_Write_Stream_LE(ReportString, strlen(ReportString), NULL);
|
||||||
|
|
||||||
|
/* Remember if the packet to send completely fills the endpoint */
|
||||||
|
bool IsFull = (Endpoint_BytesInEndpoint() == CDC_TXRX_EPSIZE);
|
||||||
|
|
||||||
|
/* Finalize the stream transfer to send the last packet */
|
||||||
|
Endpoint_ClearIN();
|
||||||
|
|
||||||
|
/* If the last packet filled the endpoint, send an empty packet to release the buffer on
|
||||||
|
* the receiver (otherwise all data will be cached until a non-full packet is received) */
|
||||||
|
if (IsFull)
|
||||||
|
{
|
||||||
|
/* Wait until the endpoint is ready for another packet */
|
||||||
|
Endpoint_WaitUntilReady();
|
||||||
|
|
||||||
|
/* Send an empty packet to ensure that the host does not buffer data sent to it */
|
||||||
|
Endpoint_ClearIN();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Select the Serial Rx Endpoint */
|
||||||
|
Endpoint_SelectEndpoint(CDC_RX_EPADDR);
|
||||||
|
|
||||||
|
/* Throw away any received data from the host */
|
||||||
|
if (Endpoint_IsOUTReceived())
|
||||||
|
Endpoint_ClearOUT();
|
||||||
|
}
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user