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refactoring

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This commit is contained in:
Bernd Herzog 2023-04-01 18:36:57 +02:00
parent bb90fdc5fc
commit 893df7272f
15 changed files with 40 additions and 1062 deletions
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30
firmware/application/apps/ui_sd_over_usb.cpp
View File

@ -26,34 +26,24 @@
namespace ui { namespace ui {
SdOverUsbView::SdOverUsbView(NavigationView& nav) : nav_ (nav) { SdOverUsbView::SdOverUsbView(NavigationView& nav) : nav_ (nav) {
sdcDisconnect(&SDCD1);
sdcStop(&SDCD1);
portapack::shutdown();
m4_init(portapack::spi_flash::image_tag_usb_sd, portapack::memory::map::m4_code, false);
//m4_init(portapack::spi_flash::image_tag_hackrf, portapack::memory::map::m4_code_hackrf, true);
m0_halt(); /* will not return*/
//baseband::run_image();
add_children({ add_children({
&labels, &labels,
&button_close &button_run
}); });
button_close.on_select = [this](Button&) { button_run.on_select = [this](Button&) {
nav_.pop(); sdcDisconnect(&SDCD1);
sdcStop(&SDCD1);
portapack::shutdown(true);
m4_init(portapack::spi_flash::image_tag_usb_sd, portapack::memory::map::m4_code, false);
m0_halt();
/* will not return*/
}; };
}
SdOverUsbView::~SdOverUsbView() {
baseband::shutdown();
} }
void SdOverUsbView::focus() { void SdOverUsbView::focus() {
button_close.focus(); button_run.focus();
} }
} /* namespace ui */ } /* namespace ui */

9
firmware/application/apps/ui_sd_over_usb.hpp
View File

@ -37,7 +37,6 @@ namespace ui {
class SdOverUsbView : public View { class SdOverUsbView : public View {
public: public:
SdOverUsbView(NavigationView& nav); SdOverUsbView(NavigationView& nav);
~SdOverUsbView();
void focus() override; void focus() override;
@ -47,15 +46,13 @@ private:
NavigationView& nav_; NavigationView& nav_;
Labels labels { Labels labels {
{ { 4, 4 }, "Use USB", Color::white() } { { 40, 4 }, "This will provide access\nto the SD card over USB.", Color::white() }
}; };
Button button_close { Button button_run {
{ 2 * 8, 15 * 16, 12 * 8, 3 * 16 }, { 2 * 8, 15 * 16, 12 * 8, 3 * 16 },
"Close" "Run"
}; };
}; };
} /* namespace ui */ } /* namespace ui */

8
firmware/application/portapack.cpp
View File

@ -515,11 +515,13 @@ bool init() {
return true; return true;
} }
void shutdown() { void shutdown(const bool leave_screen_on) {
gpdma::controller.disable(); gpdma::controller.disable();
backlight()->off(); if (leave_screen_on) {
display.shutdown(); backlight()->off();
display.shutdown();
}
radio::disable(); radio::disable();
audio::shutdown(); audio::shutdown();

2
firmware/application/portapack.hpp
View File

@ -63,7 +63,7 @@ void set_antenna_bias(const bool v);
bool get_antenna_bias(); bool get_antenna_bias();
bool init(); bool init();
void shutdown(); void shutdown(const bool leave_screen_on = false);
Backlight* backlight(); Backlight* backlight();

6
firmware/baseband/CMakeLists.txt
View File

@ -529,12 +529,12 @@ set(MODE_CPPSRC
sd_over_usb/diskio.c sd_over_usb/diskio.c
sd_over_usb/sd_over_usb.c sd_over_usb/sd_over_usb.c
sd_over_usb/usb_descriptor.c sd_over_usb/usb_descriptor.c
sd_over_usb/usb_device.c
sd_over_usb/usb_endpoint.c
sd_over_usb/usb.c
sd_over_usb/hackrf_core.c sd_over_usb/hackrf_core.c
${HACKRF_PATH}/firmware/common/usb.c
${HACKRF_PATH}/firmware/common/usb_queue.c ${HACKRF_PATH}/firmware/common/usb_queue.c
${HACKRF_PATH}/firmware/hackrf_usb/usb_device.c
${HACKRF_PATH}/firmware/hackrf_usb/usb_endpoint.c
${HACKRF_PATH}/firmware/common/usb_request.c ${HACKRF_PATH}/firmware/common/usb_request.c
${HACKRF_PATH}/firmware/common/usb_standard_request.c ${HACKRF_PATH}/firmware/common/usb_standard_request.c
${HACKRF_PATH}/firmware/common/platform_detect.c ${HACKRF_PATH}/firmware/common/platform_detect.c

6
firmware/baseband/sd_over_usb/proc_sd_over_usb.cpp
View File

@ -24,13 +24,10 @@
#include "hal.h" #include "hal.h"
#include "proc_sd_over_usb.hpp" #include "proc_sd_over_usb.hpp"
#include "debug.hpp"
#include "portapack_shared_memory.hpp" #include "portapack_shared_memory.hpp"
extern "C" { extern "C" {
void start_usb(void); void start_usb(void);
void stop_usb(void);
void irq_usb(void); void irq_usb(void);
void usb_transfer(void); void usb_transfer(void);
@ -40,7 +37,6 @@ CH_IRQ_HANDLER(Vector60) {
} }
int main() { int main() {
sdcStart(&SDCD1, nullptr); sdcStart(&SDCD1, nullptr);
if (sdcConnect(&SDCD1) == CH_FAILED) chDbgPanic("no sd card #1"); if (sdcConnect(&SDCD1) == CH_FAILED) chDbgPanic("no sd card #1");
@ -50,7 +46,5 @@ int main() {
usb_transfer(); usb_transfer();
} }
stop_usb();
return 0; return 0;
} }

11
firmware/baseband/sd_over_usb/scsi.c
View File

@ -1,11 +1,6 @@
#include "scsi.h" #include "scsi.h"
#include "diskio.h" #include "diskio.h"
#define HALT_UNTIL_DEBUGGING() \
while (!((*(volatile uint32_t *)0xE000EDF0) & (1 << 0))) {} \
__asm__ __volatile__("bkpt 1")
volatile bool usb_bulk_block_done = false; volatile bool usb_bulk_block_done = false;
void usb_bulk_block_cb(void* user_data, unsigned int bytes_transferred) { void usb_bulk_block_cb(void* user_data, unsigned int bytes_transferred) {
@ -104,8 +99,6 @@ uint8_t read_format_capacities(msd_cbw_t *msd_cbw_data) {
.header = {0, 0, 0, 1 * 8 /* num_entries * 8 */}, .header = {0, 0, 0, 1 * 8 /* num_entries * 8 */},
.blocknum = {((num_blocks) >> 24)& 0xff, ((num_blocks) >> 16)& 0xff, ((num_blocks) >> 8)& 0xff, num_blocks & 0xff}, .blocknum = {((num_blocks) >> 24)& 0xff, ((num_blocks) >> 16)& 0xff, ((num_blocks) >> 8)& 0xff, num_blocks & 0xff},
.blocklen = {0b10 /* formated */, 0, (512) >> 8, 0}, .blocklen = {0b10 /* formated */, 0, (512) >> 8, 0},
// .blocknum2 = {((num_blocks) >> 24)& 0xff, ((num_blocks) >> 16)& 0xff, ((num_blocks) >> 8)& 0xff, num_blocks & 0xff},
// .blocklen2 = {0 /* formated */, 0, (512) >> 8, 0}
}; };
memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_read_format_capacities_response_t)); memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_read_format_capacities_response_t));
@ -155,7 +148,7 @@ uint8_t mode_sense6(msd_cbw_t *msd_cbw_data) {
.byte = { .byte = {
sizeof(scsi_mode_sense6_response_t) - 1, sizeof(scsi_mode_sense6_response_t) - 1,
0, 0,
0, // 0x01 << 7, // 0 for not write protected 0,
0 } 0 }
}; };
@ -166,7 +159,6 @@ uint8_t mode_sense6(msd_cbw_t *msd_cbw_data) {
} }
static data_request_t decode_data_request(const uint8_t *cmd) { static data_request_t decode_data_request(const uint8_t *cmd) {
data_request_t req; data_request_t req;
uint32_t lba; uint32_t lba;
uint16_t blk; uint16_t blk;
@ -207,7 +199,6 @@ void scsi_command(msd_cbw_t *msd_cbw_data) {
switch (msd_cbw_data->cmd_data[0]) { switch (msd_cbw_data->cmd_data[0]) {
case SCSI_CMD_INQUIRY: case SCSI_CMD_INQUIRY:
//status = handle_inquiry(msd_cbw_data);
if ((msd_cbw_data->cmd_data[1] & 0b1) && msd_cbw_data->cmd_data[2] == 0x80) { if ((msd_cbw_data->cmd_data[1] & 0b1) && msd_cbw_data->cmd_data[2] == 0x80) {
status = handle_inquiry_serial_number(msd_cbw_data); status = handle_inquiry_serial_number(msd_cbw_data);
} }

12
firmware/baseband/sd_over_usb/scsi.h
View File

@ -5,8 +5,8 @@
#include <common/usb.h> #include <common/usb.h>
#include <common/usb_request.h> #include <common/usb_request.h>
#include <common/usb_standard_request.h> #include <common/usb_standard_request.h>
#include "usb_device.h" #include <hackrf_usb/usb_device.h>
#include "usb_endpoint.h" #include <hackrf_usb/usb_endpoint.h>
#include <libopencm3/lpc43xx/m4/nvic.h> #include <libopencm3/lpc43xx/m4/nvic.h>
#include <libopencm3/lpc43xx/cgu.h> #include <libopencm3/lpc43xx/cgu.h>
#include "platform_detect.h" #include "platform_detect.h"
@ -101,14 +101,6 @@ typedef struct {
uint8_t blocklen[4]; uint8_t blocklen[4];
} scsi_read_format_capacities_response_t; } scsi_read_format_capacities_response_t;
typedef struct {
uint8_t header[4];
uint8_t blocknum[4];
uint8_t blocklen[4];
uint8_t blocknum2[4];
uint8_t blocklen2[4];
} scsi_read_format_capacities_double_response_t;
typedef struct { typedef struct {
uint32_t last_block_addr; uint32_t last_block_addr;
uint32_t block_size; uint32_t block_size;

139
firmware/baseband/sd_over_usb/sd_over_usb.c
View File

@ -1,14 +1,6 @@
#include "sd_over_usb.h" #include "sd_over_usb.h"
#include "scsi.h" #include "scsi.h"
//extern usb_request_handlers_t usb_request_handlers;
#define HALT_UNTIL_DEBUGGING() \
while (!((*(volatile uint32_t *)0xE000EDF0) & (1 << 0))) {} \
__asm__ __volatile__("bkpt 1")
// uint8_t usb_buffer[USB_TRANSFER_SIZE];
bool scsi_running = false; bool scsi_running = false;
usb_request_status_t report_max_lun( usb_request_status_t report_max_lun(
@ -26,140 +18,33 @@ usb_request_status_t report_max_lun(
usb_transfer_schedule_ack(endpoint->out); usb_transfer_schedule_ack(endpoint->out);
/* start loop here?*/
scsi_running = true; scsi_running = true;
// Host to Device. receive inquiry LUN
return USB_REQUEST_STATUS_OK;
} }
else if (stage == USB_TRANSFER_STAGE_DATA) {
return USB_REQUEST_STATUS_OK;
}
else if (stage == USB_TRANSFER_STAGE_STATUS) {
// response here?
return USB_REQUEST_STATUS_OK;
}
}
usb_request_status_t report_magic_scsi(
usb_endpoint_t* const endpoint,
const usb_transfer_stage_t stage)
{
// return USB_REQUEST_STATUS_OK;
// if (endpoint->address != 0x02) {
// HALT_UNTIL_DEBUGGING();
// return USB_REQUEST_STATUS_OK;
// }
if (stage == USB_TRANSFER_STAGE_SETUP) {
return USB_REQUEST_STATUS_OK;
// usb_bulk_buffer[0] = 0x55;
// usb_bulk_buffer[1] = 0x55;
// usb_bulk_buffer[2] = 0x55;
// usb_bulk_buffer[3] = 0x55;
// usb_bulk_buffer[4] = 0;
// usb_transfer_schedule_block(
// &usb_endpoint_bulk_out,
// &usb_bulk_buffer[0x0000],
// 5,
// NULL,
// NULL);
// usb_transfer_schedule_ack(endpoint->out);
}
else if (stage == USB_TRANSFER_STAGE_DATA) {
HALT_UNTIL_DEBUGGING();
}
else if (stage == USB_TRANSFER_STAGE_STATUS) {
HALT_UNTIL_DEBUGGING();
}
return USB_REQUEST_STATUS_OK;
(void)(endpoint);
(void)(stage);
return USB_REQUEST_STATUS_OK; return USB_REQUEST_STATUS_OK;
} }
usb_request_status_t usb_vendor_request( usb_request_status_t usb_class_request(usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage) {
usb_endpoint_t* const endpoint,
const usb_transfer_stage_t stage)
{
usb_request_status_t status = USB_REQUEST_STATUS_STALL;
// volatile uint_fast8_t address = endpoint->address;
volatile uint8_t request = endpoint->setup.request;
// volatile uint32_t b = 0;
if (request == 25) { // unknown code
return report_magic_scsi(endpoint, stage);
}
// b = request + (address << 16);
// HALT_UNTIL_DEBUGGING();
return status;
}
usb_request_status_t usb_class_request(
usb_endpoint_t* const endpoint,
const usb_transfer_stage_t stage)
{
usb_request_status_t status = USB_REQUEST_STATUS_STALL; usb_request_status_t status = USB_REQUEST_STATUS_STALL;
volatile uint8_t request = endpoint->setup.request; volatile uint8_t request = endpoint->setup.request;
// volatile uint32_t b = 0;
if (request == 0xFE) { if (request == 0xFE)
return report_max_lun(endpoint, stage); return report_max_lun(endpoint, stage);
}
// b = request + (address << 16);
// HALT_UNTIL_DEBUGGING();
// if (address == 0x80) {
// HALT_UNTIL_DEBUGGING();
// return USB_REQUEST_STATUS_OK;
// }
// else if (address == 0x00) {
// if (request == 0xFE) {
// return USB_REQUEST_STATUS_OK; // ???????????????????
// }
// b = request + (address << 16);
// HALT_UNTIL_DEBUGGING();
// }
// else if (address == 0x02) {
// if (request == 0xFE) {
// return USB_REQUEST_STATUS_OK; // ???????????????????
// }
// //return USB_REQUEST_STATUS_OK;
// }
// HALT_UNTIL_DEBUGGING();
return status; return status;
} }
const usb_request_handlers_t usb_request_handlers = { const usb_request_handlers_t usb_request_handlers = {
.standard = usb_standard_request, .standard = usb_standard_request,
.class = usb_class_request, .class = usb_class_request,
.vendor = usb_vendor_request, .vendor = 0,
.reserved = 0 .reserved = 0
}; };
void usb_configuration_changed(usb_device_t* const device) void usb_configuration_changed(usb_device_t* const device) {
{ (void)device;
usb_endpoint_init(&usb_endpoint_bulk_in); usb_endpoint_init(&usb_endpoint_bulk_in);
usb_endpoint_init(&usb_endpoint_bulk_out); usb_endpoint_init(&usb_endpoint_bulk_out);
} }
@ -167,7 +52,7 @@ void usb_configuration_changed(usb_device_t* const device)
void start_usb(void) { void start_usb(void) {
detect_hardware_platform(); detect_hardware_platform();
pin_setup(); pin_setup();
cpu_clock_init(); // required cpu_clock_init();
usb_set_configuration_changed_cb(usb_configuration_changed); usb_set_configuration_changed_cb(usb_configuration_changed);
usb_peripheral_reset(); usb_peripheral_reset();
@ -198,6 +83,9 @@ void irq_usb(void) {
volatile bool transfer_complete = false; volatile bool transfer_complete = false;
void scsi_bulk_transfer_complete(void* user_data, unsigned int bytes_transferred) void scsi_bulk_transfer_complete(void* user_data, unsigned int bytes_transferred)
{ {
(void)user_data;
(void)bytes_transferred;
transfer_complete = true; transfer_complete = true;
} }
@ -206,18 +94,17 @@ void usb_transfer(void) {
transfer_complete = false; transfer_complete = false;
usb_transfer_schedule_block( usb_transfer_schedule_block(
&usb_endpoint_bulk_out, &usb_endpoint_bulk_out,
&usb_bulk_buffer[0], &usb_bulk_buffer[0x4000],
USB_TRANSFER_SIZE, USB_TRANSFER_SIZE,
scsi_bulk_transfer_complete, scsi_bulk_transfer_complete,
NULL); NULL);
while (!transfer_complete); while (!transfer_complete);
msd_cbw_t *msd_cbw_data = (msd_cbw_t *) &usb_bulk_buffer[0]; msd_cbw_t *msd_cbw_data = (msd_cbw_t *) &usb_bulk_buffer[0x4000];
if (msd_cbw_data->signature == MSD_CBW_SIGNATURE){ if (msd_cbw_data->signature == MSD_CBW_SIGNATURE){
scsi_command(msd_cbw_data); scsi_command(msd_cbw_data);
} }
} }
} }

4
firmware/baseband/sd_over_usb/sd_over_usb.h
View File

@ -27,8 +27,8 @@
#include <common/usb.h> #include <common/usb.h>
#include <common/usb_request.h> #include <common/usb_request.h>
#include <common/usb_standard_request.h> #include <common/usb_standard_request.h>
#include "usb_device.h" #include <hackrf_usb/usb_device.h>
#include "usb_endpoint.h" #include <hackrf_usb/usb_endpoint.h>
#include <libopencm3/lpc43xx/m4/nvic.h> #include <libopencm3/lpc43xx/m4/nvic.h>
#include <libopencm3/lpc43xx/cgu.h> #include <libopencm3/lpc43xx/cgu.h>
#include "platform_detect.h" #include "platform_detect.h"

676
firmware/baseband/sd_over_usb/usb.c
View File

@ -1,676 +0,0 @@
/*
* Copyright 2012-2022 Great Scott Gadgets <info@greatscottgadgets.com>
* Copyright 2012 Jared Boone
*
* This file is part of HackRF.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include <stdint.h>
#include <stdbool.h>
#include <common/usb.h>
#include "usb_type.h"
#include "usb_queue.h"
#include "usb_standard_request.h"
#include <libopencm3/lpc43xx/creg.h>
#include <libopencm3/lpc43xx/m4/nvic.h>
#include <libopencm3/lpc43xx/rgu.h>
#include <libopencm3/lpc43xx/usb.h>
#define HALT_UNTIL_DEBUGGING() \
while (!((*(volatile uint32_t *)0xE000EDF0) & (1 << 0))) {} \
__asm__ __volatile__("bkpt 1")
usb_device_t* usb_device_usb0 = 0;
usb_queue_head_t usb_qh[12] ATTR_ALIGNED(2048);
#define USB_QH_INDEX(endpoint_address) \
(((endpoint_address & 0xF) * 2) + ((endpoint_address >> 7) & 1))
usb_queue_head_t* usb_queue_head(const uint_fast8_t endpoint_address)
{
return &usb_qh[USB_QH_INDEX(endpoint_address)];
}
usb_endpoint_t* usb_endpoint_from_address(const uint_fast8_t endpoint_address)
{
return (usb_endpoint_t*) usb_queue_head(endpoint_address)->_reserved_0;
}
static uint_fast8_t usb_endpoint_address(
const usb_transfer_direction_t direction,
const uint_fast8_t number)
{
return ((direction == USB_TRANSFER_DIRECTION_IN) ? 0x80 : 0x00) + number;
}
static bool usb_endpoint_is_in(const uint_fast8_t endpoint_address)
{
return (endpoint_address & 0x80) ? true : false;
}
static uint_fast8_t usb_endpoint_number(const uint_fast8_t endpoint_address)
{
return (endpoint_address & 0xF);
}
void usb_peripheral_reset()
{
RESET_CTRL0 = RESET_CTRL0_USB0_RST;
RESET_CTRL0 = 0;
while ((RESET_ACTIVE_STATUS0 & RESET_CTRL0_USB0_RST) == 0) {}
}
void usb_phy_enable()
{
CREG_CREG0 &= ~CREG_CREG0_USB0PHY;
}
static void usb_clear_pending_interrupts(const uint32_t mask)
{
USB0_ENDPTNAK = mask;
USB0_ENDPTNAKEN = mask;
USB0_USBSTS_D = mask;
USB0_ENDPTSETUPSTAT = USB0_ENDPTSETUPSTAT & mask;
USB0_ENDPTCOMPLETE = USB0_ENDPTCOMPLETE & mask;
}
static void usb_clear_all_pending_interrupts()
{
usb_clear_pending_interrupts(0xFFFFFFFF);
}
static void usb_wait_for_endpoint_priming_to_finish(const uint32_t mask)
{
// Wait until controller has parsed new transfer descriptors and prepared
// receive buffers.
while (USB0_ENDPTPRIME & mask) {}
}
static void usb_flush_endpoints(const uint32_t mask)
{
// Clear any primed buffers. If a packet is in progress, that transfer
// will continue until completion.
USB0_ENDPTFLUSH = mask;
}
static void usb_wait_for_endpoint_flushing_to_finish(const uint32_t mask)
{
// Wait until controller has flushed all endpoints / cleared any primed
// buffers.
while (USB0_ENDPTFLUSH & mask) {}
}
static void usb_flush_primed_endpoints(const uint32_t mask)
{
usb_wait_for_endpoint_priming_to_finish(mask);
usb_flush_endpoints(mask);
usb_wait_for_endpoint_flushing_to_finish(mask);
}
static void usb_flush_all_primed_endpoints()
{
usb_flush_primed_endpoints(0xFFFFFFFF);
}
static void usb_endpoint_set_type(
const usb_endpoint_t* const endpoint,
const usb_transfer_type_t transfer_type)
{
// NOTE: UM10503 section 23.6.24 "Endpoint 1 to 5 control registers" says
// that the disabled side of an endpoint must be set to a non-control type
// (e.g. bulk, interrupt, or iso).
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
USB0_ENDPTCTRL(endpoint_number) =
(USB0_ENDPTCTRL(endpoint_number) &
~(USB0_ENDPTCTRL_TXT1_0_MASK | USB0_ENDPTCTRL_RXT_MASK)) |
(USB0_ENDPTCTRL_TXT1_0(transfer_type) |
USB0_ENDPTCTRL_RXT(transfer_type));
}
static void usb_endpoint_enable(const usb_endpoint_t* const endpoint)
{
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
if (usb_endpoint_is_in(endpoint->address)) {
USB0_ENDPTCTRL(endpoint_number) |=
(USB0_ENDPTCTRL_TXE | USB0_ENDPTCTRL_TXR);
} else {
USB0_ENDPTCTRL(endpoint_number) |=
(USB0_ENDPTCTRL_RXE | USB0_ENDPTCTRL_RXR);
}
}
static void usb_endpoint_clear_pending_interrupts(const usb_endpoint_t* const endpoint)
{
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
if (usb_endpoint_is_in(endpoint->address)) {
usb_clear_pending_interrupts(
USB0_ENDPTCOMPLETE_ETCE(1 << endpoint_number));
} else {
usb_clear_pending_interrupts(
USB0_ENDPTCOMPLETE_ERCE(1 << endpoint_number));
}
}
void usb_endpoint_disable(const usb_endpoint_t* const endpoint)
{
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
if (usb_endpoint_is_in(endpoint->address)) {
USB0_ENDPTCTRL(endpoint_number) &= ~(USB0_ENDPTCTRL_TXE);
} else {
USB0_ENDPTCTRL(endpoint_number) &= ~(USB0_ENDPTCTRL_RXE);
}
usb_queue_flush_endpoint(endpoint);
usb_endpoint_clear_pending_interrupts(endpoint);
usb_endpoint_flush(endpoint);
}
void usb_endpoint_prime(
const usb_endpoint_t* const endpoint,
usb_transfer_descriptor_t* const first_td)
{
usb_queue_head_t* const qh = usb_queue_head(endpoint->address);
qh->next_dtd_pointer = first_td;
qh->total_bytes &=
~(USB_TD_DTD_TOKEN_STATUS_ACTIVE | USB_TD_DTD_TOKEN_STATUS_HALTED);
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
if (usb_endpoint_is_in(endpoint->address)) {
USB0_ENDPTPRIME = USB0_ENDPTPRIME_PETB(1 << endpoint_number);
} else {
USB0_ENDPTPRIME = USB0_ENDPTPRIME_PERB(1 << endpoint_number);
}
}
static bool usb_endpoint_is_priming(const usb_endpoint_t* const endpoint)
{
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
if (usb_endpoint_is_in(endpoint->address)) {
return USB0_ENDPTPRIME & USB0_ENDPTPRIME_PETB(1 << endpoint_number);
} else {
return USB0_ENDPTPRIME & USB0_ENDPTPRIME_PERB(1 << endpoint_number);
}
}
// Schedule an already filled-in transfer descriptor for execution on
// the given endpoint, waiting until the endpoint has finished.
void usb_endpoint_schedule_wait(
const usb_endpoint_t* const endpoint,
usb_transfer_descriptor_t* const td)
{
// Ensure that endpoint is ready to be primed.
// It may have been flushed due to an aborted transaction.
// TODO: This should be preceded by a flush?
while (usb_endpoint_is_ready(endpoint)) {}
td->next_dtd_pointer = USB_TD_NEXT_DTD_POINTER_TERMINATE;
usb_endpoint_prime(endpoint, td);
}
// Schedule an already filled-in transfer descriptor for execution on
// the given endpoint, appending to the end of the endpoint's queue if
// there are pending TDs. Note that this requires that one knows the
// tail of the endpoint's TD queue. Moreover, the user is responsible
// for setting the TERMINATE bit of next_dtd_pointer if needed.
void usb_endpoint_schedule_append(
const usb_endpoint_t* const endpoint,
usb_transfer_descriptor_t* const tail_td,
usb_transfer_descriptor_t* const new_td)
{
bool done;
tail_td->next_dtd_pointer = new_td;
if (usb_endpoint_is_priming(endpoint)) {
return;
}
do {
USB0_USBCMD_D |= USB0_USBCMD_D_ATDTW;
done = usb_endpoint_is_ready(endpoint);
} while (!(USB0_USBCMD_D & USB0_USBCMD_D_ATDTW));
USB0_USBCMD_D &= ~USB0_USBCMD_D_ATDTW;
if (!done) {
usb_endpoint_prime(endpoint, new_td);
}
}
void usb_endpoint_flush(const usb_endpoint_t* const endpoint)
{
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
usb_queue_flush_endpoint(endpoint);
if (usb_endpoint_is_in(endpoint->address)) {
usb_flush_primed_endpoints(USB0_ENDPTFLUSH_FETB(1 << endpoint_number));
} else {
usb_flush_primed_endpoints(USB0_ENDPTFLUSH_FERB(1 << endpoint_number));
}
}
/*
static bool usb_endpoint_is_flushing(
const usb_endpoint_t* const endpoint
) {
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
if( usb_endpoint_is_in(endpoint->address) ) {
return USB0_ENDPTFLUSH & USB0_ENDPTFLUSH_FETB(1 << endpoint_number);
} else {
return USB0_ENDPTFLUSH & USB0_ENDPTFLUSH_FERB(1 << endpoint_number);
}
}
*/
bool usb_endpoint_is_ready(const usb_endpoint_t* const endpoint)
{
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
if (usb_endpoint_is_in(endpoint->address)) {
return USB0_ENDPTSTAT & USB0_ENDPTSTAT_ETBR(1 << endpoint_number);
} else {
return USB0_ENDPTSTAT & USB0_ENDPTSTAT_ERBR(1 << endpoint_number);
}
}
bool usb_endpoint_is_complete(const usb_endpoint_t* const endpoint)
{
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
if (usb_endpoint_is_in(endpoint->address)) {
return USB0_ENDPTCOMPLETE & USB0_ENDPTCOMPLETE_ETCE(1 << endpoint_number);
} else {
return USB0_ENDPTCOMPLETE & USB0_ENDPTCOMPLETE_ERCE(1 << endpoint_number);
}
}
void usb_endpoint_stall(const usb_endpoint_t* const endpoint)
{
// Endpoint is to be stalled as a pair -- both OUT and IN.
// See UM10503 section 23.10.5.2 "Stalling"
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
USB0_ENDPTCTRL(endpoint_number) |= (USB0_ENDPTCTRL_RXS | USB0_ENDPTCTRL_TXS);
// TODO: Also need to reset data toggle in both directions?
}
void usb_endpoint_reset_data_toggle(const usb_endpoint_t* const endpoint)
{
const uint_fast8_t endpoint_number = usb_endpoint_number(endpoint->address);
if (usb_endpoint_is_in(endpoint->address)) {
USB0_ENDPTCTRL(endpoint_number) |= USB0_ENDPTCTRL_TXR;
} else {
USB0_ENDPTCTRL(endpoint_number) |= USB0_ENDPTCTRL_RXR;
}
}
static void usb_controller_run()
{
USB0_USBCMD_D |= USB0_USBCMD_D_RS;
}
static void usb_controller_stop()
{
USB0_USBCMD_D &= ~USB0_USBCMD_D_RS;
}
static uint_fast8_t usb_controller_is_resetting()
{
return (USB0_USBCMD_D & USB0_USBCMD_D_RST) != 0;
}
static void usb_controller_set_device_mode()
{
// Set USB0 peripheral mode
USB0_USBMODE_D = USB0_USBMODE_D_CM1_0(2);
// Set device-related OTG flags
// OTG termination: controls pull-down on USB_DM
USB0_OTGSC = USB0_OTGSC_OT;
}
usb_speed_t usb_speed(const usb_device_t* const device)
{
if (device == usb_device_usb0) {
switch (USB0_PORTSC1_D & USB0_PORTSC1_D_PSPD_MASK) {
case USB0_PORTSC1_D_PSPD(0):
return USB_SPEED_FULL;
case USB0_PORTSC1_D_PSPD(2):
return USB_SPEED_HIGH;
default:
// TODO: What to do/return here? Is this even possible?
return USB_SPEED_FULL;
}
} else {
// TODO: This should not be possible with a more class-like
// implementation.
return USB_SPEED_FULL;
}
}
static void usb_clear_status(const uint32_t status)
{
USB0_USBSTS_D = status;
}
static uint32_t usb_get_status()
{
// Mask status flags with enabled flag interrupts.
const uint32_t status = USB0_USBSTS_D & USB0_USBINTR_D;
// Clear flags that were just read, leaving alone any flags that
// were just set (after the read). It's important to read and
// reset flags atomically! :-)
usb_clear_status(status);
return status;
}
static void usb_clear_endpoint_setup_status(const uint32_t endpoint_setup_status)
{
USB0_ENDPTSETUPSTAT = endpoint_setup_status;
}
static uint32_t usb_get_endpoint_setup_status()
{
return USB0_ENDPTSETUPSTAT;
}
static void usb_clear_endpoint_complete(const uint32_t endpoint_complete)
{
USB0_ENDPTCOMPLETE = endpoint_complete;
}
static uint32_t usb_get_endpoint_complete()
{
return USB0_ENDPTCOMPLETE;
}
static void usb_disable_all_endpoints()
{
// Endpoint 0 is always enabled. TODO: So why set ENDPTCTRL0?
USB0_ENDPTCTRL0 &= ~(USB0_ENDPTCTRL0_RXE | USB0_ENDPTCTRL0_TXE);
USB0_ENDPTCTRL1 &= ~(USB0_ENDPTCTRL1_RXE | USB0_ENDPTCTRL1_TXE);
USB0_ENDPTCTRL2 &= ~(USB0_ENDPTCTRL2_RXE | USB0_ENDPTCTRL2_TXE);
USB0_ENDPTCTRL3 &= ~(USB0_ENDPTCTRL3_RXE | USB0_ENDPTCTRL3_TXE);
USB0_ENDPTCTRL4 &= ~(USB0_ENDPTCTRL4_RXE | USB0_ENDPTCTRL4_TXE);
USB0_ENDPTCTRL5 &= ~(USB0_ENDPTCTRL5_RXE | USB0_ENDPTCTRL5_TXE);
}
void usb_set_address_immediate(
const usb_device_t* const device,
const uint_fast8_t address)
{
if (device == usb_device_usb0) {
USB0_DEVICEADDR = USB0_DEVICEADDR_USBADR(address);
}
}
void usb_set_address_deferred(const usb_device_t* const device, const uint_fast8_t address)
{
if (device == usb_device_usb0) {
USB0_DEVICEADDR =
USB0_DEVICEADDR_USBADR(address) | USB0_DEVICEADDR_USBADRA;
}
}
static void usb_reset_all_endpoints()
{
usb_disable_all_endpoints();
usb_clear_all_pending_interrupts();
usb_flush_all_primed_endpoints();
}
static void usb_controller_reset()
{
// TODO: Good to disable some USB interrupts to avoid priming new
// new endpoints before the controller is reset?
usb_reset_all_endpoints();
usb_controller_stop();
// Reset controller. Resets internal pipelines, timers, counters, state
// machines to initial values. Not recommended when device is in attached
// state -- effect on attached host is undefined. Detach first by flushing
// all primed endpoints and stopping controller.
USB0_USBCMD_D = USB0_USBCMD_D_RST;
while (usb_controller_is_resetting()) {}
}
static void usb_bus_reset(usb_device_t* const device)
{
// According to UM10503 v1.4 section 23.10.3 "Bus reset":
usb_reset_all_endpoints();
usb_set_address_immediate(device, 0);
usb_set_configuration(device, 0);
// TODO: Enable endpoint 0, which might not actually be necessary,
// as the datasheet claims it can't be disabled.
//wait_ms(3);
//
//if( USB0_PORTSC1 & USB0_PORTSC1_PR ) {
// // Port still is in the reset state.
//} else {
// usb_hardware_reset();
//}
}
static void usb_interrupt_enable(usb_device_t* const device)
{
if (device == usb_device_usb0) {
nvic_enable_irq(NVIC_USB0_IRQ);
}
}
void usb_device_init(const uint_fast8_t device_ordinal, usb_device_t* const device)
{
if (device_ordinal == 0) {
usb_device_usb0 = device;
usb_phy_enable();
usb_controller_reset();
usb_controller_set_device_mode();
// Set interrupt threshold interval to 0
USB0_USBCMD_D &= ~USB0_USBCMD_D_ITC_MASK;
// Configure endpoint list address
USB0_ENDPOINTLISTADDR = (uint32_t) usb_qh;
// Enable interrupts
USB0_USBINTR_D = USB0_USBINTR_D_UE | USB0_USBINTR_D_UEE |
USB0_USBINTR_D_PCE |
USB0_USBINTR_D_URE
//| USB0_USBINTR_D_SRE
| USB0_USBINTR_D_SLE
//| USB0_USBINTR_D_NAKE
;
}
}
void usb_run(usb_device_t* const device)
{
usb_interrupt_enable(device);
usb_controller_run(device);
}
static void copy_setup(usb_setup_t* const dst, const volatile uint8_t* const src)
{
dst->request_type = src[0];
dst->request = src[1];
dst->value_l = src[2];
dst->value_h = src[3];
dst->index_l = src[4];
dst->index_h = src[5];
dst->length_l = src[6];
dst->length_h = src[7];
}
void usb_endpoint_init(const usb_endpoint_t* const endpoint)
{
usb_endpoint_flush(endpoint);
uint_fast16_t max_packet_size = endpoint->device->descriptor[7];
usb_transfer_type_t transfer_type = USB_TRANSFER_TYPE_CONTROL;
const uint8_t* const endpoint_descriptor = usb_endpoint_descriptor(endpoint);
if (endpoint_descriptor) {
max_packet_size =
usb_endpoint_descriptor_max_packet_size(endpoint_descriptor);
transfer_type =
usb_endpoint_descriptor_transfer_type(endpoint_descriptor);
}
// TODO: There are more capabilities to adjust based on the endpoint
// descriptor.
usb_queue_head_t* const qh = usb_queue_head(endpoint->address);
qh->capabilities = USB_QH_CAPABILITIES_MULT(0) | USB_QH_CAPABILITIES_ZLT |
USB_QH_CAPABILITIES_MPL(max_packet_size) |
((transfer_type == USB_TRANSFER_TYPE_CONTROL) ? USB_QH_CAPABILITIES_IOS :
0);
qh->current_dtd_pointer = 0;
qh->next_dtd_pointer = USB_TD_NEXT_DTD_POINTER_TERMINATE;
qh->total_bytes = USB_TD_DTD_TOKEN_TOTAL_BYTES(0) | USB_TD_DTD_TOKEN_MULTO(0);
qh->buffer_pointer_page[0] = 0;
qh->buffer_pointer_page[1] = 0;
qh->buffer_pointer_page[2] = 0;
qh->buffer_pointer_page[3] = 0;
qh->buffer_pointer_page[4] = 0;
// This is how we look up an endpoint structure from an endpoint address:
qh->_reserved_0 = (uint32_t) endpoint;
// TODO: Should NAK be enabled? I'm kinda squishy on this...
//USB0_ENDPTNAKEN |=
// USB0_ENDPTNAKEN_EPRNE(1 << endpoint_out->number);
usb_endpoint_set_type(endpoint, transfer_type);
usb_endpoint_enable(endpoint);
}
static void usb_check_for_setup_events() {
const uint32_t endptsetupstat = usb_get_endpoint_setup_status();
if (endptsetupstat) {
for (uint_fast8_t i = 0; i < 6; i++) {
const uint32_t endptsetupstat_bit = USB0_ENDPTSETUPSTAT_ENDPTSETUPSTAT(1 << i);
if (endptsetupstat & endptsetupstat_bit) {
usb_endpoint_t* const endpoint = usb_endpoint_from_address(usb_endpoint_address(USB_TRANSFER_DIRECTION_OUT, i));
if (endpoint && endpoint->setup_complete) {
usb_queue_head_t *head = usb_queue_head(endpoint->address);
//HALT_UNTIL_DEBUGGING();
copy_setup(&endpoint->setup, head->setup);
// TODO: Clean up this duplicated effort by providing
// a cleaner way to get the SETUP data.
copy_setup(&endpoint->in->setup, head->setup);
usb_clear_endpoint_setup_status(endptsetupstat_bit);
endpoint->setup_complete(endpoint);
} else {
usb_clear_endpoint_setup_status(endptsetupstat_bit);
}
}
}
}
}
static void usb_check_for_transfer_events() {
const uint32_t endptcomplete = usb_get_endpoint_complete();
if (endptcomplete) {
for (uint_fast8_t i = 0; i < 6; i++) {
const uint32_t endptcomplete_out_bit = USB0_ENDPTCOMPLETE_ERCE(1 << i);
if (endptcomplete & endptcomplete_out_bit) {
usb_clear_endpoint_complete(endptcomplete_out_bit);
usb_endpoint_t* const endpoint = usb_endpoint_from_address(usb_endpoint_address(USB_TRANSFER_DIRECTION_OUT, i));
if (endpoint && endpoint->transfer_complete) {
endpoint->transfer_complete(endpoint);
}
}
const uint32_t endptcomplete_in_bit = USB0_ENDPTCOMPLETE_ETCE(1 << i);
if (endptcomplete & endptcomplete_in_bit) {
usb_clear_endpoint_complete(endptcomplete_in_bit);
usb_endpoint_t* const endpoint = usb_endpoint_from_address(usb_endpoint_address(USB_TRANSFER_DIRECTION_IN, i));
if (endpoint && endpoint->transfer_complete) {
endpoint->transfer_complete(endpoint);
}
}
}
}
}
void usb0_isr()
{
const uint32_t status = usb_get_status();
if (status == 0) {
// Nothing to do.
return;
}
if (status & USB0_USBSTS_D_UI) {
// USB:
// - Completed transaction transfer descriptor has IOC set.
// - Short packet detected.
// - SETUP packet received.
usb_check_for_setup_events();
usb_check_for_transfer_events();
// TODO: Reset ignored ENDPTSETUPSTAT and ENDPTCOMPLETE flags?
}
if (status & USB0_USBSTS_D_SRI) {
// Start Of Frame received.
}
if (status & USB0_USBSTS_D_PCI) {
// Port change detect:
// Port controller entered full- or high-speed operational state.
}
if (status & USB0_USBSTS_D_SLI) {
// Device controller suspend.
}
if (status & USB0_USBSTS_D_URI) {
// USB reset received.
usb_bus_reset(usb_device_usb0);
}
if (status & USB0_USBSTS_D_UEI) {
// USB error:
// Completion of a USB transaction resulted in an error condition.
// Set along with USBINT if the TD on which the error interrupt
// occurred also had its interrupt on complete (IOC) bit set.
// The device controller detects resume signalling only.
}
if (status & USB0_USBSTS_D_NAKI) {
// Both the TX/RX endpoint NAK bit and corresponding TX/RX endpoint
// NAK enable bit are set.
}
}

56
firmware/baseband/sd_over_usb/usb_device.c
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@ -1,56 +0,0 @@
/*
* Copyright 2012-2022 Great Scott Gadgets <info@greatscottgadgets.com>
* Copyright 2012 Jared Boone
* Copyright 2013 Benjamin Vernoux
*
* This file is part of HackRF.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "usb_device.h"
#include <usb_type.h>
#include "usb_descriptor.h"
usb_configuration_t usb_configuration_high_speed = {
.number = 1,
.speed = USB_SPEED_HIGH,
.descriptor = usb_descriptor_configuration_high_speed,
};
usb_configuration_t usb_configuration_full_speed = {
.number = 1,
.speed = USB_SPEED_FULL,
.descriptor = usb_descriptor_configuration_full_speed,
};
usb_configuration_t* usb_configurations[] = {
&usb_configuration_high_speed,
&usb_configuration_full_speed,
0,
};
usb_device_t usb_device = {
.descriptor = usb_descriptor_device,
.descriptor_strings = usb_descriptor_strings,
.qualifier_descriptor = usb_descriptor_device_qualifier,
.configurations = &usb_configurations,
.configuration = 0,
.wcid_string_descriptor = wcid_string_descriptor,
.wcid_feature_descriptor = wcid_feature_descriptor,
};

31
firmware/baseband/sd_over_usb/usb_device.h
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@ -1,31 +0,0 @@
/*
* Copyright 2012-2013 Great Scott Gadgets <info@greatscottgadgets.com>
* Copyright 2012 Jared Boone
* Copyright 2013 Benjamin Vernoux
*
* This file is part of HackRF.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __USB_DEVICE_H__
#define __USB_DEVICE_H__
#include <usb_type.h>
extern usb_device_t usb_device;
#endif /* end of include guard: __USB_DEVICE_H__ */

70
firmware/baseband/sd_over_usb/usb_endpoint.c
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@ -1,70 +0,0 @@
/*
* Copyright 2012-2022 Great Scott Gadgets <info@greatscottgadgets.com>
* Copyright 2012 Jared Boone
* Copyright 2013 Benjamin Vernoux
*
* This file is part of HackRF.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "usb_endpoint.h"
#include <usb_request.h>
#include "usb_device.h"
usb_endpoint_t usb_endpoint_control_out = {
.address = 0x00,
.device = &usb_device,
.in = &usb_endpoint_control_in,
.out = &usb_endpoint_control_out,
.setup_complete = usb_setup_complete,
.transfer_complete = usb_control_out_complete,
};
USB_DEFINE_QUEUE(usb_endpoint_control_out, 4);
usb_endpoint_t usb_endpoint_control_in = {
.address = 0x80,
.device = &usb_device,
.in = &usb_endpoint_control_in,
.out = &usb_endpoint_control_out,
.setup_complete = 0,
.transfer_complete = usb_control_in_complete,
};
static USB_DEFINE_QUEUE(usb_endpoint_control_in, 4);
// NOTE: Endpoint number for IN and OUT are different. I wish I had some
// evidence that having BULK IN and OUT on separate endpoint numbers was
// actually a good idea. Seems like everybody does it that way, but why?
usb_endpoint_t usb_endpoint_bulk_in = {
.address = 0x81,
.device = &usb_device,
.in = &usb_endpoint_bulk_in,
.out = 0,
.setup_complete = 0,
.transfer_complete = usb_queue_transfer_complete};
static USB_DEFINE_QUEUE(usb_endpoint_bulk_in, 1);
usb_endpoint_t usb_endpoint_bulk_out = {
.address = 0x02,
.device = &usb_device,
.in = 0,
.out = &usb_endpoint_bulk_out,
.setup_complete = 0,
.transfer_complete = usb_queue_transfer_complete};
static USB_DEFINE_QUEUE(usb_endpoint_bulk_out, 1);

42
firmware/baseband/sd_over_usb/usb_endpoint.h
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@ -1,42 +0,0 @@
/*
* Copyright 2012-2013 Great Scott Gadgets <info@greatscottgadgets.com>
* Copyright 2012 Jared Boone
* Copyright 2013 Benjamin Vernoux
*
* This file is part of HackRF.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __USB_ENDPOINT_H__
#define __USB_ENDPOINT_H__
#include <usb_type.h>
#include <usb_queue.h>
extern usb_endpoint_t usb_endpoint_control_out;
extern USB_DECLARE_QUEUE(usb_endpoint_control_out);
extern usb_endpoint_t usb_endpoint_control_in;
extern USB_DECLARE_QUEUE(usb_endpoint_control_in);
extern usb_endpoint_t usb_endpoint_bulk_in;
extern USB_DECLARE_QUEUE(usb_endpoint_bulk_in);
extern usb_endpoint_t usb_endpoint_bulk_out;
extern USB_DECLARE_QUEUE(usb_endpoint_bulk_out);
#endif /* end of include guard: __USB_ENDPOINT_H__ */