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Add host mode USB Class driver stubs, add beginnings of a CDC host class driver.

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Split out common defines/types from class drivers into a seperate common class driver directory.

Make central USB Class driver dispatch headers, used for both device and host modes.
This commit is contained in:
Dean Camera 2009-06-14 15:55:13 +00:00
parent 9fdc53d765
commit afe6ae1402
97 changed files with 2694 additions and 1205 deletions
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109
Demos/Host/ClassDriver/CDCHost/CDCHost.c
View file

@ -50,7 +50,6 @@ int main(void)
for (;;)
{
CDC_Host_Task();
USB_USBTask();
}
}
@ -121,111 +120,3 @@ void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t Su
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
/** Task to set the configuration of the attached device after it has been enumerated, and to read in
* data received from the attached CDC device and print it to the serial port.
*/
void CDC_Host_Task(void)
{
uint8_t ErrorCode;
switch (USB_HostState)
{
case HOST_STATE_Addressed:
/* Standard request to set the device configuration to configuration 1 */
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),
.bRequest = REQ_SetConfiguration,
.wValue = 1,
.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)
{
puts_P(PSTR("Control Error (Set Configuration).\r\n"));
printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
/* Indicate error via status LEDs */
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
/* Wait until USB device disconnected */
while (USB_IsConnected);
break;
}
USB_HostState = HOST_STATE_Configured;
break;
case HOST_STATE_Configured:
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("Control Error (Get Configuration).\r\n"));
else
puts_P(PSTR("Invalid Device.\r\n"));
printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
/* Indicate error via status LEDs */
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
/* Wait until USB device disconnected */
while (USB_IsConnected);
break;
}
puts_P(PSTR("CDC Device Enumerated.\r\n"));
USB_HostState = HOST_STATE_Ready;
break;
case HOST_STATE_Ready:
/* Select and the data IN pipe */
Pipe_SelectPipe(CDC_DATAPIPE_IN);
/* Check to see if a packet has been received */
if (Pipe_IsINReceived())
{
/* Check if data is in the pipe */
if (Pipe_IsReadWriteAllowed())
{
/* Get the length of the pipe data, and create a new buffer to hold it */
uint16_t BufferLength = Pipe_BytesInPipe();
uint8_t Buffer[BufferLength];
/* Read in the pipe data to the temporary buffer */
Pipe_Read_Stream_LE(Buffer, BufferLength);
/* Print out the buffer contents to the USART */
for (uint16_t BufferByte = 0; BufferByte < BufferLength; BufferByte++)
putchar(Buffer[BufferByte]);
}
/* Clear the pipe after it is read, ready for the next packet */
Pipe_ClearIN();
}
/* Select and unfreeze the notification pipe */
Pipe_SelectPipe(CDC_NOTIFICATIONPIPE);
Pipe_Unfreeze();
/* Check if a packet has been received */
if (Pipe_IsINReceived())
{
/* Discard the unused event notification */
Pipe_ClearIN();
}
/* Freeze notification IN pipe after use */
Pipe_Freeze();
break;
}
}

15
Demos/Host/ClassDriver/CDCHost/CDCHost.h
View file

@ -45,22 +45,12 @@
#include <LUFA/Version.h>
#include <LUFA/Drivers/Misc/TerminalCodes.h>
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/Peripheral/SerialStream.h>
#include <LUFA/Drivers/Board/LEDs.h>
#include "ConfigDescriptor.h"
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/USB/Class/Host/CDC.h>
/* Macros: */
/** Pipe number for the CDC data IN pipe */
#define CDC_DATAPIPE_IN 1
/** Pipe number for the CDC data OUT pipe */
#define CDC_DATAPIPE_OUT 2
/** Pipe number for the CDC notification pipe */
#define CDC_NOTIFICATIONPIPE 3
/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
#define LEDMASK_USB_NOTREADY LEDS_LED1
@ -75,7 +65,6 @@
/* Function Prototypes: */
void SetupHardware(void);
void CDC_Host_Task(void);
void EVENT_USB_HostError(const uint8_t ErrorCode);
void EVENT_USB_DeviceAttached(void);

5
Demos/Host/ClassDriver/CDCHost/makefile
View file

@ -124,7 +124,6 @@ LUFA_PATH = ../../../..
# List C source files here. (C dependencies are automatically generated.)
SRC = $(TARGET).c \
ConfigDescriptor.c \
$(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c \
$(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c \
$(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c \
@ -137,7 +136,9 @@ SRC = $(TARGET).c \
$(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBInterrupt.c \
$(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c \
$(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c \
$(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/CDC.c \
$(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/CDC.c \
# List C++ source files here. (C dependencies are automatically generated.)
CPPSRC =