mirror of
https://github.com/switchbrew/switch-examples.git
synced 2025-06-21 21:32:40 +02:00
Added usbds example.
This commit is contained in:
yellows8
parent
09b9bbdc0c
commit
db05ce3060
138
usb/usbds/Makefile
Normal file
138
usb/usbds/Makefile
Normal file
@ -0,0 +1,138 @@
|
|||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
.SUFFIXES:
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
ifeq ($(strip $(DEVKITA64)),)
|
||||||
|
$(error "Please set DEVKITA64 in your environment. export DEVKITA64=<path to>DEVKITA64")
|
||||||
|
endif
|
||||||
|
|
||||||
|
TOPDIR ?= $(CURDIR)
|
||||||
|
include $(DEVKITA64)/switch_rules
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# TARGET is the name of the output
|
||||||
|
# BUILD is the directory where object files & intermediate files will be placed
|
||||||
|
# SOURCES is a list of directories containing source code
|
||||||
|
# DATA is a list of directories containing data files
|
||||||
|
# INCLUDES is a list of directories containing header files
|
||||||
|
# EXEFS_SRC is the input directory containing data copied into exefs, normally should only contain "main.npdm".
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
TARGET := $(notdir $(CURDIR))
|
||||||
|
BUILD := build
|
||||||
|
SOURCES := source
|
||||||
|
DATA := data
|
||||||
|
INCLUDES := include
|
||||||
|
EXEFS_SRC := exefs_src
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# options for code generation
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
ARCH := -march=armv8-a -fPIE
|
||||||
|
|
||||||
|
CFLAGS := -g -Wall -O2 \
|
||||||
|
-ffast-math \
|
||||||
|
$(ARCH) $(DEFINES)
|
||||||
|
|
||||||
|
CFLAGS += $(INCLUDE)
|
||||||
|
|
||||||
|
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
|
||||||
|
|
||||||
|
ASFLAGS := -g $(ARCH)
|
||||||
|
LDFLAGS = -specs=switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
|
||||||
|
|
||||||
|
LIBS := -lnx
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# list of directories containing libraries, this must be the top level containing
|
||||||
|
# include and lib
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
LIBDIRS := $(PORTLIBS) $(LIBNX)
|
||||||
|
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# no real need to edit anything past this point unless you need to add additional
|
||||||
|
# rules for different file extensions
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
ifneq ($(BUILD),$(notdir $(CURDIR)))
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
export OUTPUT := $(CURDIR)/$(TARGET)
|
||||||
|
export TOPDIR := $(CURDIR)
|
||||||
|
|
||||||
|
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
|
||||||
|
$(foreach dir,$(DATA),$(CURDIR)/$(dir))
|
||||||
|
|
||||||
|
export DEPSDIR := $(CURDIR)/$(BUILD)
|
||||||
|
|
||||||
|
CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
|
||||||
|
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
|
||||||
|
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
|
||||||
|
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# use CXX for linking C++ projects, CC for standard C
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
ifeq ($(strip $(CPPFILES)),)
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
export LD := $(CC)
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
else
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
export LD := $(CXX)
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
endif
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
export OFILES := $(addsuffix .o,$(BINFILES)) \
|
||||||
|
$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
|
||||||
|
|
||||||
|
export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
|
||||||
|
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
|
||||||
|
-I$(CURDIR)/$(BUILD)
|
||||||
|
|
||||||
|
export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
|
||||||
|
|
||||||
|
export BUILD_EXEFS_SRC := $(TOPDIR)/$(EXEFS_SRC)
|
||||||
|
|
||||||
|
.PHONY: $(BUILD) clean all
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
all: $(BUILD)
|
||||||
|
|
||||||
|
$(BUILD):
|
||||||
|
@[ -d $@ ] || mkdir -p $@
|
||||||
|
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
clean:
|
||||||
|
@echo clean ...
|
||||||
|
@rm -fr $(BUILD) $(TARGET).pfs0 $(TARGET).nso $(TARGET).elf
|
||||||
|
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
else
|
||||||
|
|
||||||
|
DEPENDS := $(OFILES:.o=.d)
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# main targets
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
$(OUTPUT).pfs0 : $(OUTPUT).nso
|
||||||
|
|
||||||
|
$(OUTPUT).nso : $(OUTPUT).elf
|
||||||
|
|
||||||
|
$(OUTPUT).elf : $(OFILES)
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# you need a rule like this for each extension you use as binary data
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
%.bin.o : %.bin
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
@echo $(notdir $<)
|
||||||
|
@$(bin2o)
|
||||||
|
|
||||||
|
-include $(DEPENDS)
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------------
|
||||||
|
endif
|
||||||
|
#---------------------------------------------------------------------------------------
|
||||||
133
usb/usbds/source/main.c
Normal file
133
usb/usbds/source/main.c
Normal file
@ -0,0 +1,133 @@
|
|||||||
|
#include <string.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <malloc.h>
|
||||||
|
|
||||||
|
#include <switch.h>
|
||||||
|
|
||||||
|
//Example for usbds, see libnx usb.h. Switch-as-device<>host USB comms.
|
||||||
|
//Linux detects this as a serial device.
|
||||||
|
//Data transfer over USB works fine with this, however data isn't returned by "/dev/{device}" (depending on what is used for reading it) due to the header(?) from the device->host transfer not being valid.
|
||||||
|
|
||||||
|
Result usbds_test(u8 *tmpbuf)
|
||||||
|
{
|
||||||
|
Result ret=0;
|
||||||
|
s32 tmpindex=0;
|
||||||
|
Handle usb_state_event;
|
||||||
|
UsbDsInterface* interface = NULL;
|
||||||
|
UsbDsEndpoint *endpoint_in = NULL, *endpoint_out = NULL;
|
||||||
|
|
||||||
|
struct usb_interface_descriptor interface_descriptor = {
|
||||||
|
.bLength = USB_DT_INTERFACE_SIZE,
|
||||||
|
.bDescriptorType = USB_DT_INTERFACE,
|
||||||
|
.bInterfaceNumber = USBDS_DEFAULT_InterfaceNumber,
|
||||||
|
.bInterfaceClass = USB_CLASS_VENDOR_SPEC,
|
||||||
|
.bInterfaceSubClass = USB_CLASS_VENDOR_SPEC,
|
||||||
|
.bInterfaceProtocol = USB_CLASS_VENDOR_SPEC,
|
||||||
|
};
|
||||||
|
|
||||||
|
struct usb_endpoint_descriptor endpoint_descriptor_in = {
|
||||||
|
.bLength = USB_DT_ENDPOINT_SIZE,
|
||||||
|
.bDescriptorType = USB_DT_ENDPOINT,
|
||||||
|
.bEndpointAddress = USB_ENDPOINT_IN,
|
||||||
|
.bmAttributes = USB_TRANSFER_TYPE_BULK,
|
||||||
|
.wMaxPacketSize = 0x40,
|
||||||
|
};
|
||||||
|
|
||||||
|
struct usb_endpoint_descriptor endpoint_descriptor_out = {
|
||||||
|
.bLength = USB_DT_ENDPOINT_SIZE,
|
||||||
|
.bDescriptorType = USB_DT_ENDPOINT,
|
||||||
|
.bEndpointAddress = USB_ENDPOINT_OUT,
|
||||||
|
.bmAttributes = USB_TRANSFER_TYPE_BULK,
|
||||||
|
.wMaxPacketSize = 0x40,
|
||||||
|
};
|
||||||
|
|
||||||
|
usb_state_event = usbDsGetStateChangeEvent();
|
||||||
|
|
||||||
|
//Setup interface.
|
||||||
|
ret = usbDsGetDsInterface(&interface, &interface_descriptor, "usb");
|
||||||
|
if(R_FAILED(ret))return ret;
|
||||||
|
|
||||||
|
//Setup endpoints.
|
||||||
|
ret = usbDsInterface_GetDsEndpoint(interface, &endpoint_in, &endpoint_descriptor_in);//device->host
|
||||||
|
if(R_FAILED(ret))return ret;
|
||||||
|
|
||||||
|
ret = usbDsInterface_GetDsEndpoint(interface, &endpoint_out, &endpoint_descriptor_out);//host->device
|
||||||
|
if(R_FAILED(ret))return ret;
|
||||||
|
|
||||||
|
ret = usbDsInterface_EnableInterface(interface);
|
||||||
|
if(R_FAILED(ret))return ret;
|
||||||
|
|
||||||
|
//Wait for usb comms init to start, which includes waiting for the usb cable to be inserted if it's not already.
|
||||||
|
svcWaitSynchronization(&tmpindex, &usb_state_event, 1, U64_MAX);
|
||||||
|
svcClearEvent(usb_state_event);
|
||||||
|
|
||||||
|
svcSleepThread(5000000000);//The above will be signalled before the endpoints are ready for use, so just delay 5s (there's currently no known way to properly wait for endpoints-ready).
|
||||||
|
|
||||||
|
memset(tmpbuf, 0, 0x1000);
|
||||||
|
tmpbuf[0] = 0x11;
|
||||||
|
tmpbuf[1] = 0x1;
|
||||||
|
char *strptr = "Hello World!\n";
|
||||||
|
strncpy((char*)&tmpbuf[2], strptr, 0x1000-2);
|
||||||
|
|
||||||
|
//Start a device->host transfer.
|
||||||
|
ret = usbDsEndpoint_PostBufferAsync(endpoint_in, tmpbuf, 2+strlen(strptr), NULL);
|
||||||
|
if(R_FAILED(ret))return ret;
|
||||||
|
//Wait for the transfer to finish.
|
||||||
|
svcWaitSynchronization(&tmpindex, &endpoint_in->CompletionEvent, 1, U64_MAX);
|
||||||
|
svcClearEvent(endpoint_in->CompletionEvent);
|
||||||
|
|
||||||
|
//Start a host->device transfer.
|
||||||
|
ret = usbDsEndpoint_PostBufferAsync(endpoint_out, tmpbuf, 0x200, NULL);
|
||||||
|
if(R_FAILED(ret))return ret;
|
||||||
|
|
||||||
|
//Wait for the transfer to finish.
|
||||||
|
svcWaitSynchronization(&tmpindex, &endpoint_out->CompletionEvent, 1, U64_MAX);
|
||||||
|
svcClearEvent(endpoint_out->CompletionEvent);
|
||||||
|
|
||||||
|
memcpy(&tmpbuf[0x400], tmpbuf, 0x200-2);
|
||||||
|
tmpbuf[0] = 0x11;
|
||||||
|
tmpbuf[1] = 0x1;
|
||||||
|
memcpy(&tmpbuf[2], &tmpbuf[0x400], 0x200-2);
|
||||||
|
|
||||||
|
//Start a device->host transfer.
|
||||||
|
ret = usbDsEndpoint_PostBufferAsync(endpoint_in, tmpbuf, 0x200, NULL);
|
||||||
|
if(R_FAILED(ret))return ret;
|
||||||
|
|
||||||
|
//Wait for the transfer to finish.
|
||||||
|
svcWaitSynchronization(&tmpindex, &endpoint_in->CompletionEvent, 1, U64_MAX);
|
||||||
|
svcClearEvent(endpoint_in->CompletionEvent);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(int argc, char **argv)
|
||||||
|
{
|
||||||
|
Result ret;
|
||||||
|
|
||||||
|
usbDsDeviceInfo deviceinfo = {
|
||||||
|
.idVendor = 0x0403, // "Future Technology Devices International, Ltd"
|
||||||
|
.idProduct = 0x6001, // "FT232 USB-Serial (UART) IC"
|
||||||
|
.bcdDevice = 0x0200,
|
||||||
|
.Manufacturer = "libnx",
|
||||||
|
.Product = "usbds-example",
|
||||||
|
.SerialNumber = "1337",
|
||||||
|
};
|
||||||
|
|
||||||
|
ret = usbDsInitialize(USBCOMPLEXID_Default, &deviceinfo);
|
||||||
|
|
||||||
|
if (R_SUCCEEDED(ret)) {
|
||||||
|
u8 *tmpbuf = memalign(0x1000, 0x1000);//The buffer for PostBufferAsync commands must be 0x1000-byte aligned.
|
||||||
|
if(tmpbuf==NULL)ret = -4;
|
||||||
|
|
||||||
|
if (R_SUCCEEDED(ret)) ret = usbds_test(tmpbuf);
|
||||||
|
|
||||||
|
usbDsExit();
|
||||||
|
}
|
||||||
|
|
||||||
|
if(R_FAILED(ret))fatalSimple(ret);
|
||||||
|
|
||||||
|
svcSleepThread(5000000000);//Delay 5s
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user