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Add sendchar with Generic HID to support debug print.

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example_keyboards
tmk 13 years ago
parent dd93d2915f
commit 3969ec09b4
5 changed files with 595 additions and 419 deletions
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233
keyboard/lufa/Descriptors.c
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@ -1,3 +1,10 @@
/*
* Copyright 2012 Jun Wako <wakojun@gmail.com>
* This file is based on:
* LUFA-120219/Demos/Device/Lowlevel/KeyboardMouse
* LUFA-120219/Demos/Device/Lowlevel/GenericHID
*/
/*
LUFA Library
Copyright (C) Dean Camera, 2012.
@ -38,14 +45,46 @@
#include "Descriptors.h"
/** HID class report descriptor. This is a special descriptor constructed with values from the
* USBIF HID class specification to describe the reports and capabilities of the HID device. This
* descriptor is parsed by the host and its contents used to determine what data (and in what encoding)
* the device will send, and what it may be sent back from the host. Refer to the HID specification for
* more details on HID report descriptors.
*
* This descriptor describes the mouse HID interface's report structure.
*/
/*******************************************************************************
* HID Report Descriptors
******************************************************************************/
const USB_Descriptor_HIDReport_Datatype_t PROGMEM KeyboardReport[] =
{
HID_RI_USAGE_PAGE(8, 0x01), /* Generic Desktop */
HID_RI_USAGE(8, 0x06), /* Keyboard */
HID_RI_COLLECTION(8, 0x01), /* Application */
HID_RI_USAGE_PAGE(8, 0x07), /* Key Codes */
HID_RI_USAGE_MINIMUM(8, 0xE0), /* Keyboard Left Control */
HID_RI_USAGE_MAXIMUM(8, 0xE7), /* Keyboard Right GUI */
HID_RI_LOGICAL_MINIMUM(8, 0x00),
HID_RI_LOGICAL_MAXIMUM(8, 0x01),
HID_RI_REPORT_SIZE(8, 0x01),
HID_RI_REPORT_COUNT(8, 0x08),
HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
HID_RI_REPORT_COUNT(8, 0x01),
HID_RI_REPORT_SIZE(8, 0x08),
HID_RI_INPUT(8, HID_IOF_CONSTANT),
HID_RI_USAGE_PAGE(8, 0x08), /* LEDs */
HID_RI_USAGE_MINIMUM(8, 0x01), /* Num Lock */
HID_RI_USAGE_MAXIMUM(8, 0x05), /* Kana */
HID_RI_REPORT_COUNT(8, 0x05),
HID_RI_REPORT_SIZE(8, 0x01),
HID_RI_OUTPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE),
HID_RI_REPORT_COUNT(8, 0x01),
HID_RI_REPORT_SIZE(8, 0x03),
HID_RI_OUTPUT(8, HID_IOF_CONSTANT),
HID_RI_LOGICAL_MINIMUM(8, 0x00),
HID_RI_LOGICAL_MAXIMUM(8, 0x65),
HID_RI_USAGE_PAGE(8, 0x07), /* Keyboard */
HID_RI_USAGE_MINIMUM(8, 0x00), /* Reserved (no event indicated) */
HID_RI_USAGE_MAXIMUM(8, 0x65), /* Keyboard Application */
HID_RI_REPORT_COUNT(8, 0x06),
HID_RI_REPORT_SIZE(8, 0x08),
HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_ARRAY | HID_IOF_ABSOLUTE),
HID_RI_END_COLLECTION(0),
};
const USB_Descriptor_HIDReport_Datatype_t PROGMEM MouseReport[] =
{
HID_RI_USAGE_PAGE(8, 0x01), /* Generic Desktop */
@ -78,48 +117,30 @@ const USB_Descriptor_HIDReport_Datatype_t PROGMEM MouseReport[] =
HID_RI_END_COLLECTION(0),
};
/** Same as the MouseReport structure, but defines the keyboard HID interface's report structure. */
const USB_Descriptor_HIDReport_Datatype_t PROGMEM KeyboardReport[] =
const USB_Descriptor_HIDReport_Datatype_t PROGMEM GenericReport[] =
{
HID_RI_USAGE_PAGE(8, 0x01), /* Generic Desktop */
HID_RI_USAGE(8, 0x06), /* Keyboard */
HID_RI_COLLECTION(8, 0x01), /* Application */
HID_RI_USAGE_PAGE(8, 0x07), /* Key Codes */
HID_RI_USAGE_MINIMUM(8, 0xE0), /* Keyboard Left Control */
HID_RI_USAGE_MAXIMUM(8, 0xE7), /* Keyboard Right GUI */
HID_RI_USAGE_PAGE(16, 0xFF00), /* Vendor Page 0 */
HID_RI_USAGE(8, 0x01), /* Vendor Usage 1 */
HID_RI_COLLECTION(8, 0x01), /* Vendor Usage 1 */
HID_RI_USAGE(8, 0x02), /* Vendor Usage 2 */
HID_RI_LOGICAL_MINIMUM(8, 0x00),
HID_RI_LOGICAL_MAXIMUM(8, 0x01),
HID_RI_REPORT_SIZE(8, 0x01),
HID_RI_REPORT_COUNT(8, 0x08),
HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
HID_RI_REPORT_COUNT(8, 0x01),
HID_RI_LOGICAL_MAXIMUM(8, 0xFF),
HID_RI_REPORT_SIZE(8, 0x08),
HID_RI_INPUT(8, HID_IOF_CONSTANT),
HID_RI_USAGE_PAGE(8, 0x08), /* LEDs */
HID_RI_USAGE_MINIMUM(8, 0x01), /* Num Lock */
HID_RI_USAGE_MAXIMUM(8, 0x05), /* Kana */
HID_RI_REPORT_COUNT(8, 0x05),
HID_RI_REPORT_SIZE(8, 0x01),
HID_RI_OUTPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE),
HID_RI_REPORT_COUNT(8, 0x01),
HID_RI_REPORT_SIZE(8, 0x03),
HID_RI_OUTPUT(8, HID_IOF_CONSTANT),
HID_RI_REPORT_COUNT(8, GENERIC_REPORT_SIZE),
HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
HID_RI_USAGE(8, 0x03), /* Vendor Usage 3 */
HID_RI_LOGICAL_MINIMUM(8, 0x00),
HID_RI_LOGICAL_MAXIMUM(8, 0x65),
HID_RI_USAGE_PAGE(8, 0x07), /* Keyboard */
HID_RI_USAGE_MINIMUM(8, 0x00), /* Reserved (no event indicated) */
HID_RI_USAGE_MAXIMUM(8, 0x65), /* Keyboard Application */
HID_RI_REPORT_COUNT(8, 0x06),
HID_RI_LOGICAL_MAXIMUM(8, 0xFF),
HID_RI_REPORT_SIZE(8, 0x08),
HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_ARRAY | HID_IOF_ABSOLUTE),
HID_RI_REPORT_COUNT(8, GENERIC_REPORT_SIZE),
HID_RI_OUTPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE),
HID_RI_END_COLLECTION(0),
};
/** 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.
*/
/*******************************************************************************
* Device Descriptors
******************************************************************************/
const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
{
.Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
@ -131,9 +152,9 @@ const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
.Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
.VendorID = 0x03EB,
.VendorID = 0xFEED,
.ProductID = 0x204D,
.ReleaseNumber = VERSION_BCD(00.01),
.ReleaseNumber = VERSION_BCD(00.02),
.ManufacturerStrIndex = 0x01,
.ProductStrIndex = 0x02,
@ -142,11 +163,9 @@ const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
};
/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage
* of the device in one of its supported configurations, including information about any device interfaces
* 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.
*/
/*******************************************************************************
* Configuration Descriptors
******************************************************************************/
const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
{
.Config =
@ -154,16 +173,19 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
.TotalInterfaces = 2,
.TotalInterfaces = 3,
.ConfigurationNumber = 1,
.ConfigurationStrIndex = NO_DESCRIPTOR,
.ConfigAttributes = (USB_CONFIG_ATTR_RESERVED | USB_CONFIG_ATTR_SELFPOWERED),
.ConfigAttributes = (USB_CONFIG_ATTR_RESERVED | USB_CONFIG_ATTR_SELFPOWERED), //TODO: bus powered?
.MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
},
/*
* Keyboard
*/
.HID1_KeyboardInterface =
{
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
@ -211,6 +233,9 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.PollingIntervalMS = 0x01
},
/*
* Mouse
*/
.HID2_MouseInterface =
{
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
@ -246,13 +271,63 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
.EndpointSize = HID_EPSIZE,
.PollingIntervalMS = 0x01
},
/*
* Generic
*/
.HID3_GenericInterface =
{
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
.InterfaceNumber = 0x02,
.AlternateSetting = 0x00,
.TotalEndpoints = 2,
.Class = HID_CSCP_HIDClass,
.SubClass = HID_CSCP_NonBootSubclass,
.Protocol = HID_CSCP_NonBootProtocol,
.InterfaceStrIndex = NO_DESCRIPTOR
},
.HID3_GenericHID =
{
.Header = {.Size = sizeof(USB_HID_Descriptor_HID_t), .Type = HID_DTYPE_HID},
.HIDSpec = VERSION_BCD(01.11),
.CountryCode = 0x00,
.TotalReportDescriptors = 1,
.HIDReportType = HID_DTYPE_Report,
.HIDReportLength = sizeof(GenericReport)
},
.HID3_ReportINEndpoint =
{
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
.EndpointAddress = (ENDPOINT_DIR_IN | GENERIC_IN_EPNUM),
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
.EndpointSize = GENERIC_EPSIZE,
.PollingIntervalMS = 0x01
},
.HID3_ReportOUTEndpoint =
{
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
.EndpointAddress = (ENDPOINT_DIR_OUT | GENERIC_OUT_EPNUM),
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
.EndpointSize = GENERIC_EPSIZE,
.PollingIntervalMS = 0x01
}
};
/** 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.
*/
/*******************************************************************************
* String Descriptors
******************************************************************************/
const USB_Descriptor_String_t PROGMEM LanguageString =
{
.Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
@ -260,28 +335,21 @@ const USB_Descriptor_String_t PROGMEM LanguageString =
.UnicodeString = {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 =
{
.Header = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String},
.UnicodeString = L"Dean Camera"
.UnicodeString = L"Dean Camera" // TODO:
};
/** 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 =
{
.Header = {.Size = USB_STRING_LEN(28), .Type = DTYPE_String},
.UnicodeString = L"LUFA Mouse and Keyboard Demo"
.UnicodeString = L"LUFA Mouse and Keyboard Demo" // TODO:
};
/** 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
@ -293,7 +361,7 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
const void** const DescriptorAddress)
{
const uint8_t DescriptorType = (wValue >> 8);
const uint8_t DescriptorNumber = (wValue & 0xFF);
const uint8_t DescriptorIndex = (wValue & 0xFF);
const void* Address = NULL;
uint16_t Size = NO_DESCRIPTOR;
@ -309,7 +377,7 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
Size = sizeof(USB_Descriptor_Configuration_t);
break;
case DTYPE_String:
switch (DescriptorNumber)
switch (DescriptorIndex )
{
case 0x00:
Address = &LanguageString;
@ -324,36 +392,41 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
Size = pgm_read_byte(&ProductString.Header.Size);
break;
}
break;
case HID_DTYPE_HID:
if (!(wIndex))
{
switch (wIndex) {
case 0:
Address = &ConfigurationDescriptor.HID1_KeyboardHID;
Size = sizeof(USB_HID_Descriptor_HID_t);
}
else
{
break;
case 1:
Address = &ConfigurationDescriptor.HID2_MouseHID;
Size = sizeof(USB_HID_Descriptor_HID_t);
break;
case 2:
Address = &ConfigurationDescriptor.HID3_GenericHID;
Size = sizeof(USB_HID_Descriptor_HID_t);
break;
}
break;
case HID_DTYPE_Report:
if (!(wIndex))
{
switch (wIndex) {
case 0:
Address = &KeyboardReport;
Size = sizeof(KeyboardReport);
}
else
{
break;
case 1:
Address = &MouseReport;
Size = sizeof(MouseReport);
break;
case 2:
Address = &GenericReport;
Size = sizeof(GenericReport);
break;
}
break;
}
*DescriptorAddress = Address;
return Size;
}

45
keyboard/lufa/Descriptors.h
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@ -37,18 +37,12 @@
#ifndef _DESCRIPTORS_H_
#define _DESCRIPTORS_H_
/* Includes: */
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/USB/USB.h>
#include <avr/pgmspace.h>
#include <avr/pgmspace.h>
/* 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
{
typedef struct
{
USB_Descriptor_Configuration_Header_t Config;
// Keyboard HID Interface
@ -61,27 +55,30 @@
USB_Descriptor_Interface_t HID2_MouseInterface;
USB_HID_Descriptor_HID_t HID2_MouseHID;
USB_Descriptor_Endpoint_t HID2_ReportINEndpoint;
USB_Descriptor_Endpoint_t HID2_ReportOUTEndpoint;
} USB_Descriptor_Configuration_t;
/* Macros: */
/** Endpoint number of the Keyboard HID reporting IN endpoint. */
#define KEYBOARD_IN_EPNUM 1
// Generic HID Interface
USB_Descriptor_Interface_t HID3_GenericInterface;
USB_HID_Descriptor_HID_t HID3_GenericHID;
USB_Descriptor_Endpoint_t HID3_ReportINEndpoint;
USB_Descriptor_Endpoint_t HID3_ReportOUTEndpoint;
} USB_Descriptor_Configuration_t;
/** Endpoint number of the Keyboard HID reporting OUT endpoint. */
#define KEYBOARD_OUT_EPNUM 2
// Endopoint number/size
#define KEYBOARD_IN_EPNUM 1
#define KEYBOARD_OUT_EPNUM 2
#define MOUSE_IN_EPNUM 3
#define GENERIC_IN_EPNUM 4
#define GENERIC_OUT_EPNUM 5
/** Endpoint number of the Mouse HID reporting IN endpoint. */
#define MOUSE_IN_EPNUM 3
#define HID_EPSIZE 8
#define GENERIC_EPSIZE 8
#define GENERIC_REPORT_SIZE 8
/** Size in bytes of each of the HID reporting IN and OUT endpoints. */
#define HID_EPSIZE 8
/* Function Prototypes: */
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
const uint8_t wIndex,
const void** const DescriptorAddress)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
#endif

3
keyboard/lufa/Makefile
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@ -128,8 +128,7 @@ LSRC = $(TARGET).c \
SRC = $(subst $(LUFA_PATH)/LUFA/,,$(LSRC))
SRC += keymap.c \
matrix.c \
led.c \
sendchar_null.c
led.c
CONFIG_H = config.h

125
keyboard/lufa/lufa.c
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@ -1,6 +1,8 @@
/*
* Copyright 2012 Jun Wako <wakojun@gmail.com>
* This file is based on LUFA-120219/Demos/Device/Lowlevel/KeyboardMouse.
* This file is based on:
* LUFA-120219/Demos/Device/Lowlevel/KeyboardMouse
* LUFA-120219/Demos/Device/Lowlevel/GenericHID
*/
/*
@ -38,6 +40,8 @@
#include "host.h"
#include "host_driver.h"
#include "keyboard.h"
#include "sendchar.h"
#include "debug.h"
#include "lufa.h"
static uint8_t keyboard_led_stats = 0;
@ -64,11 +68,21 @@ int main(void)
SetupHardware();
sei();
print_enable = true;
debug_enable = true;
debug_matrix = true;
debug_keyboard = true;
debug_mouse = true;
_delay_ms(3000);
print("abcdefg\n");
keyboard_init();
host_set_driver(&lufa_driver);
while (1) {
keyboard_proc();
Keyboard_HID_Task();
Generic_HID_Task();
USB_USBTask();
}
}
@ -112,6 +126,12 @@ void EVENT_USB_Device_ConfigurationChanged(void)
/* Setup Mouse HID Report Endpoint */
ConfigSuccess &= Endpoint_ConfigureEndpoint(MOUSE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
HID_EPSIZE, ENDPOINT_BANK_SINGLE);
/* Setup Generic HID Report Endpoints */
ConfigSuccess &= Endpoint_ConfigureEndpoint(GENERIC_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
GENERIC_EPSIZE, ENDPOINT_BANK_SINGLE);
ConfigSuccess &= Endpoint_ConfigureEndpoint(GENERIC_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
GENERIC_EPSIZE, ENDPOINT_BANK_SINGLE);
}
/** Event handler for the USB_ControlRequest event.
@ -119,8 +139,8 @@ void EVENT_USB_Device_ConfigurationChanged(void)
*/
void EVENT_USB_Device_ControlRequest(void)
{
uint8_t* ReportData;
uint8_t ReportSize;
uint8_t* ReportData = NULL;
uint8_t ReportSize = 0;
/* Handle HID Class specific requests */
switch (USB_ControlRequest.bRequest)
@ -130,16 +150,18 @@ void EVENT_USB_Device_ControlRequest(void)
{
Endpoint_ClearSETUP();
/* Determine if it is the mouse or the keyboard data that is being requested */
if (!(USB_ControlRequest.wIndex))
{
// Interface
switch (USB_ControlRequest.wIndex) {
case 1: // Keyboard
ReportData = (uint8_t*)&keyboard_report_sent;
ReportSize = sizeof(keyboard_report_sent);
}
else
{
break;
case 2: // Mouse
ReportData = (uint8_t*)&mouse_report_sent;
ReportSize = sizeof(mouse_report_sent);
break;
case 3: // Generic
break;
}
/* Write the report data to the control endpoint */
@ -160,8 +182,17 @@ void EVENT_USB_Device_ControlRequest(void)
return;
}
// Interface
switch (USB_ControlRequest.wIndex) {
case 1: // Keyboard
/* Read in the LED report from the host */
keyboard_led_stats = Endpoint_Read_8();
break;
case 2: // Mouse
break;
case 3: // Generic
break;
}
Endpoint_ClearOUT();
Endpoint_ClearStatusStage();
@ -176,6 +207,10 @@ void EVENT_USB_Device_ControlRequest(void)
*/
void Keyboard_HID_Task(void)
{
/* Device must be connected and configured for the task to run */
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
/* Select the Keyboard LED Report Endpoint */
Endpoint_SelectEndpoint(KEYBOARD_OUT_EPNUM);
@ -190,6 +225,40 @@ void Keyboard_HID_Task(void)
}
}
void Generic_HID_Task(void)
{
/* Device must be connected and configured for the task to run */
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
Endpoint_SelectEndpoint(GENERIC_OUT_EPNUM);
/* Check to see if a packet has been sent from the host */
if (Endpoint_IsOUTReceived())
{
/* Check to see if the packet contains data */
if (Endpoint_IsReadWriteAllowed())
{
/* Create a temporary buffer to hold the read in report from the host */
uint8_t GenericData[GENERIC_REPORT_SIZE];
/* Read Generic Report Data */
Endpoint_Read_Stream_LE(&GenericData, sizeof(GenericData), NULL);
/* Process Generic Report Data */
//TODO: ProcessGenericHIDReport(GenericData);
}
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearOUT();
}
/* IN packet */
Endpoint_SelectEndpoint(GENERIC_IN_EPNUM);
// send IN packet
if (Endpoint_IsINReady())
Endpoint_ClearIN();
}
/*******************************************************************************
* Host driver
@ -241,3 +310,41 @@ static void send_system(uint16_t data)
static void send_consumer(uint16_t data)
{
}
/*******************************************************************************
* sendchar
******************************************************************************/
int8_t sendchar(uint8_t c)
{
if (USB_DeviceState != DEVICE_STATE_Configured)
return -1;
Endpoint_SelectEndpoint(GENERIC_IN_EPNUM);
uint8_t timeout = 10;
uint16_t prevFN = USB_Device_GetFrameNumber();
while (!Endpoint_IsINReady()) {
switch (USB_DeviceState) {
case DEVICE_STATE_Unattached:
case DEVICE_STATE_Suspended:
return -1;
}
if (Endpoint_IsStalled())
return -1;
uint16_t currFN = USB_Device_GetFrameNumber();
if (prevFN != USB_Device_GetFrameNumber()) {
if (!(timeout--))
return -1;
prevFN = USB_Device_GetFrameNumber();
}
}
Endpoint_Write_8(c);
// send when packet is full
if (!Endpoint_IsReadWriteAllowed())
Endpoint_ClearIN();
return 0;
}

2
keyboard/lufa/lufa.h
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@ -65,7 +65,7 @@
void SetupHardware(void);
void Keyboard_ProcessLEDReport(const uint8_t LEDStatus);
void Keyboard_HID_Task(void);
void Mouse_HID_Task(void);
void Generic_HID_Task(void);
void EVENT_USB_Device_Connect(void);
void EVENT_USB_Device_Disconnect(void);

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