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Merge pull request #864 from bernd-herzog/ssd_to_usb

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Ssd to usb
This commit is contained in:
gullradriel 2023-04-01 19:58:02 +02:00 committed by GitHub
commit ecbb232d9c
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GPG Key ID: 4AEE18F83AFDEB23
21 changed files with 2439 additions and 8 deletions
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1
firmware/application/CMakeLists.txt
View File

@ -235,6 +235,7 @@ set(CPPSRC
apps/ui_encoders.cpp
apps/ui_fileman.cpp
apps/ui_flash_utility.cpp
apps/ui_sd_over_usb.cpp
apps/ui_freqman.cpp
apps/ui_jammer.cpp
apps/ui_keyfob.cpp

62
firmware/application/apps/ui_sd_over_usb.cpp Normal file
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@ -0,0 +1,62 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2023 Bernd Herzog
*
* This file is part of PortaPack.
*
* 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 "ui_sd_over_usb.hpp"
#include "portapack_shared_memory.hpp"
namespace ui {
SdOverUsbView::SdOverUsbView(NavigationView& nav) : nav_ (nav) {
add_children({
&labels,
&button_run
});
button_run.on_select = [this](Button&) {
ui::Painter painter;
painter.fill_rectangle(
{ 0, 0, portapack::display.width(), portapack::display.height() },
ui::Color::black()
);
painter.draw_bitmap(
{ portapack::display.width()/2-8, portapack::display.height()/2-8 },
bitmap_icon_hackrf,
ui::Color::yellow(),
ui::Color::black()
);
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*/
};
}
void SdOverUsbView::focus() {
button_run.focus();
}
} /* namespace ui */

64
firmware/application/apps/ui_sd_over_usb.hpp Normal file
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@ -0,0 +1,64 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2023 Bernd Herzog
*
* This file is part of PortaPack.
*
* 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 __UI_SD_OVER_USB_H__
#define __UI_SD_OVER_USB_H__
#include "ui_widget.hpp"
#include "ui_navigation.hpp"
#include "string_format.hpp"
#include "ff.h"
#include "baseband_api.hpp"
#include "core_control.hpp"
#include <cstdint>
namespace ui {
class SdOverUsbView : public View {
public:
SdOverUsbView(NavigationView& nav);
void focus() override;
std::string title() const override { return "Flash Utility"; };
private:
NavigationView& nav_;
Labels labels {
{ { 3 * 8, 2 * 16 }, "Click Run to start the", Color::white() },
{ { 3 * 8, 3 * 16 }, "USB Mass Storage Mode.", Color::white() },
{ { 3 * 8, 5 * 16 }, "It can take up to 20s", Color::white() },
{ { 3 * 8, 6 * 16 }, "for the drive to be", Color::white() },
{ { 3 * 8, 7 * 16 }, "available.", Color::white() },
};
Button button_run {
{ 9 * 8, 15 * 16, 12 * 8, 3 * 16 },
"Run"
};
};
} /* namespace ui */
#endif /*__UI_SD_OVER_USB_H__*/

4
firmware/application/portapack.cpp
View File

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

3
firmware/application/ui_navigation.cpp
View File

@ -71,6 +71,7 @@
#include "ui_view_wav.hpp"
#include "ui_whipcalc.hpp"
#include "ui_flash_utility.hpp"
#include "ui_sd_over_usb.hpp"
//#include "acars_app.hpp"
#include "ais_app.hpp"
@ -615,7 +616,7 @@ UtilitiesMenuView::UtilitiesMenuView(NavigationView& nav) {
{ "Wipe SD card", ui::Color::red(), &bitmap_icon_tools_wipesd, [&nav](){ nav.push<WipeSDView>(); } },
{ "Flash Utility", ui::Color::red(), &bitmap_icon_temperature, [&nav](){ nav.push<FlashUtilityView>(); } },
{ "SD over USB", ui::Color::yellow(), &bitmap_icon_hackrf, [&nav](){ nav.push<SdOverUsbView>(); } },
});
set_max_rows(2); // allow wider buttons
}

49
firmware/baseband/CMakeLists.txt
View File

@ -187,7 +187,7 @@ set(AOPT)
set(TOPT "-mthumb -DTHUMB")
# Define C warning options here
set(CWARN "-Wall -Wextra -Wstrict-prototypes")
set(CWARN "-Wall -Wextra")
# Define C++ warning options here
set(CPPWARN "-Wall -Wextra")
@ -515,6 +515,53 @@ set(MODE_CPPSRC
)
DeclareTargets(PFUT flash_utility)
### SD over USB
set(MODE_INCDIR
${HACKRF_PATH}/firmware
${HACKRF_PATH}/firmware/common
${HACKRF_PATH}/firmware/libopencm3/include
)
set(MODE_CPPSRC
sd_over_usb/proc_sd_over_usb.cpp
sd_over_usb/scsi.c
sd_over_usb/diskio.c
sd_over_usb/sd_over_usb.c
sd_over_usb/usb_descriptor.c
sd_over_usb/hackrf_core.c
${HACKRF_PATH}/firmware/common/usb.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_standard_request.c
${HACKRF_PATH}/firmware/common/platform_detect.c
${HACKRF_PATH}/firmware/common/gpio_lpc.c
${HACKRF_PATH}/firmware/common/firmware_info.c
${HACKRF_PATH}/firmware/common/si5351c.c
${HACKRF_PATH}/firmware/common/i2c_bus.c
${HACKRF_PATH}/firmware/common/mixer.c
${HACKRF_PATH}/firmware/common/clkin.c
${HACKRF_PATH}/firmware/common/spi_bus.c
${HACKRF_PATH}/firmware/common/sgpio.c
${HACKRF_PATH}/firmware/common/rf_path.c
${HACKRF_PATH}/firmware/common/i2c_lpc.c
${HACKRF_PATH}/firmware/common/spi_ssp.c
${HACKRF_PATH}/firmware/common/rffc5071_spi.c
${HACKRF_PATH}/firmware/common/rffc5071.c
${HACKRF_PATH}/firmware/common/clkin.c
${HACKRF_PATH}/firmware/common/gpdma.c
${HACKRF_PATH}/firmware/libopencm3/lib/cm3/nvic.c
${HACKRF_PATH}/firmware/libopencm3/lib/cm3/sync.c
${HACKRF_PATH}/firmware/libopencm3/lib/lpc43xx/scu.c
${HACKRF_PATH}/firmware/libopencm3/lib/lpc43xx/timer.c
${HACKRF_PATH}/firmware/libopencm3/lib/lpc43xx/i2c.c
)
DeclareTargets(PUSB sd_over_usb)
### HackRF "factory" firmware
add_custom_command(

2
firmware/baseband/halconf.h
View File

@ -119,7 +119,7 @@
* @brief Enables the SDC subsystem.
*/
#if !defined(HAL_USE_SDC) || defined(__DOXYGEN__)
#ifdef BASEBAND_flash_utility
#if defined(BASEBAND_flash_utility) || defined(BASEBAND_sd_over_usb)
#define HAL_USE_SDC TRUE
#else
#define HAL_USE_SDC FALSE

38
firmware/baseband/sd_over_usb/diskio.c Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2023 Bernd Herzog
*
* This file is part of PortaPack.
*
* 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 "diskio.h"
#include "ch.h"
#include "hal.h"
uint32_t get_capacity(void) {
return mmcsdGetCardCapacity(&SDCD1);
}
bool_t read_block(uint32_t startblk, uint8_t *buf, uint32_t n) {
return sdcRead(&SDCD1, startblk, buf, n);
}
bool_t write_block(uint32_t startblk, uint8_t *buf, uint32_t n) {
return sdcWrite(&SDCD1, startblk, buf, n);
}

33
firmware/baseband/sd_over_usb/diskio.h Normal file
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@ -0,0 +1,33 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2023 Bernd Herzog
*
* This file is part of PortaPack.
*
* 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 __DISKIO_H__
#define __DISKIO_H__
#include <stdint.h>
#include <chtypes.h>
uint32_t get_capacity(void);
bool_t read_block(uint32_t startblk, uint8_t *buf, uint32_t n);
bool_t write_block(uint32_t startblk, uint8_t *buf, uint32_t n);
#endif /* __DISKIO_H__ */

1084
firmware/baseband/sd_over_usb/hackrf_core.c Normal file
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File diff suppressed because it is too large Load Diff

47
firmware/baseband/sd_over_usb/proc_sd_over_usb.cpp Normal file
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@ -0,0 +1,47 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2023 Bernd Herzog
*
* This file is part of PortaPack.
*
* 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 "ch.h"
#include "hal.h"
extern "C" {
void start_usb(void);
void irq_usb(void);
void usb_transfer(void);
CH_IRQ_HANDLER(Vector60) {
irq_usb();
}
}
int main() {
sdcStart(&SDCD1, nullptr);
if (sdcConnect(&SDCD1) == CH_FAILED) chDbgPanic("no sd card #1");
start_usb();
while (true) {
usb_transfer();
}
return 0;
}

274
firmware/baseband/sd_over_usb/scsi.c Normal file
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@ -0,0 +1,274 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2023 Bernd Herzog
*
* This file is part of PortaPack.
*
* 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 "scsi.h"
#include "diskio.h"
volatile bool usb_bulk_block_done = false;
void usb_bulk_block_cb(void* user_data, unsigned int bytes_transferred) {
usb_bulk_block_done = true;
(void)user_data;
(void)bytes_transferred;
}
void usb_send_bulk(void* const data, const uint32_t maximum_length) {
usb_bulk_block_done = false;
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
data,
maximum_length,
usb_bulk_block_cb,
NULL);
while (!usb_bulk_block_done);
}
void usb_receive_bulk(void* const data, const uint32_t maximum_length) {
usb_bulk_block_done = false;
usb_transfer_schedule_block(
&usb_endpoint_bulk_out,
data,
maximum_length,
usb_bulk_block_cb,
NULL);
while (!usb_bulk_block_done);
}
void usb_send_csw(msd_cbw_t *msd_cbw_data, uint8_t status) {
msd_csw_t csw = {
.signature = MSD_CSW_SIGNATURE,
.tag = msd_cbw_data->tag,
.data_residue = 0,
.status = status
};
memcpy(&usb_bulk_buffer[0], &csw, sizeof(msd_csw_t));
usb_send_bulk(&usb_bulk_buffer[0], sizeof(msd_csw_t));
}
uint8_t handle_inquiry(msd_cbw_t *msd_cbw_data) {
(void)msd_cbw_data;
scsi_inquiry_response_t ret = {
0x00, /* direct access block device */
0x80, /* removable */
0x00, //0x04, /* SPC-2 */
0x00, //0x02, /* response data format */
0x20, /* response has 0x20 + 4 bytes */
0x00,
0x00,
0x00,
"Mayhem",
"Portapack MSD",
{'v','1','.','6'}
};
memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_inquiry_response_t));
usb_send_bulk(&usb_bulk_buffer[0], sizeof(scsi_inquiry_response_t));
return 0;
}
uint8_t handle_inquiry_serial_number(msd_cbw_t *msd_cbw_data) {
(void)msd_cbw_data;
scsi_unit_serial_number_inquiry_response_t ret = {
.peripheral = 0x00,
.page_code = 0x80,
.reserved = 0,
.page_length = 0x08,
.serialNumber = "Mayhem"
};
memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_unit_serial_number_inquiry_response_t));
usb_send_bulk(&usb_bulk_buffer[0], sizeof(scsi_unit_serial_number_inquiry_response_t));
return 0;
}
uint8_t read_format_capacities(msd_cbw_t *msd_cbw_data) {
uint16_t len = msd_cbw_data->cmd_data[7] << 8 | msd_cbw_data->cmd_data[8];
if (len != 0) {
size_t num_blocks = get_capacity();
scsi_read_format_capacities_response_t ret = {
.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},
.blocklen = {0b10 /* formated */, 0, (512) >> 8, 0},
};
memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_read_format_capacities_response_t));
usb_send_bulk(&usb_bulk_buffer[0], sizeof(scsi_read_format_capacities_response_t));
}
return 0;
}
uint8_t read_capacity10(msd_cbw_t *msd_cbw_data) {
(void)msd_cbw_data;
size_t num_blocks = get_capacity();
scsi_read_capacity10_response_t ret = {
.last_block_addr = cpu_to_be32(num_blocks - 1),
.block_size = cpu_to_be32(512)
};
memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_read_capacity10_response_t));
usb_send_bulk(&usb_bulk_buffer[0], sizeof(scsi_read_capacity10_response_t));
return 0;
}
uint8_t request_sense(msd_cbw_t *msd_cbw_data) {
(void)msd_cbw_data;
scsi_sense_response_t ret = {
.byte = { 0x70, 0, SCSI_SENSE_KEY_GOOD, 0,
0, 0, 0, 8,
0, 0 ,0 ,0,
SCSI_ASENSE_NO_ADDITIONAL_INFORMATION, SCSI_ASENSEQ_NO_QUALIFIER, 0, 0,
0, 0 }
};
memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_sense_response_t));
usb_send_bulk(&usb_bulk_buffer[0], sizeof(scsi_sense_response_t));
return 0;
}
uint8_t mode_sense6(msd_cbw_t *msd_cbw_data) {
(void)msd_cbw_data;
scsi_mode_sense6_response_t ret = {
.byte = {
sizeof(scsi_mode_sense6_response_t) - 1,
0,
0,
0 }
};
memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_mode_sense6_response_t));
usb_send_bulk(&usb_bulk_buffer[0], sizeof(scsi_mode_sense6_response_t));
return 0;
}
static data_request_t decode_data_request(const uint8_t *cmd) {
data_request_t req;
uint32_t lba;
uint16_t blk;
memcpy(&lba, &cmd[2], sizeof(lba));
memcpy(&blk, &cmd[7], sizeof(blk));
req.first_lba = be32_to_cpu(lba);
req.blk_cnt = be16_to_cpu(blk);
return req;
}
uint8_t data_read10(msd_cbw_t *msd_cbw_data) {
data_request_t req = decode_data_request(msd_cbw_data->cmd_data);
for (size_t block_index = 0; block_index < req.blk_cnt; block_index++) {
read_block(req.first_lba + block_index, &usb_bulk_buffer[0], 1 /* n blocks */);
usb_send_bulk(&usb_bulk_buffer[0], 512);
}
return 0;
}
uint8_t data_write10(msd_cbw_t *msd_cbw_data) {
data_request_t req = decode_data_request(msd_cbw_data->cmd_data);
for (size_t block_index = 0; block_index < req.blk_cnt; block_index++) {
usb_receive_bulk(&usb_bulk_buffer[0], 512);
write_block(req.first_lba + block_index, &usb_bulk_buffer[0], 1 /* n blocks */);
}
return 0;
}
void scsi_command(msd_cbw_t *msd_cbw_data) {
uint8_t status = 1;
switch (msd_cbw_data->cmd_data[0]) {
case SCSI_CMD_INQUIRY:
if ((msd_cbw_data->cmd_data[1] & 0b1) && msd_cbw_data->cmd_data[2] == 0x80) {
status = handle_inquiry_serial_number(msd_cbw_data);
}
else if ((msd_cbw_data->cmd_data[1] & 0b11) || msd_cbw_data->cmd_data[2] != 0) {
status = 1;
}
else {
status = handle_inquiry(msd_cbw_data);
}
break;
case SCSI_CMD_REQUEST_SENSE:
status = request_sense(msd_cbw_data);
break;
case SCSI_CMD_READ_CAPACITY_10:
status = read_capacity10(msd_cbw_data);
break;
case SCSI_CMD_READ_10:
status = data_read10(msd_cbw_data);
break;
case SCSI_CMD_WRITE_10:
status = data_write10(msd_cbw_data);
break;
case SCSI_CMD_TEST_UNIT_READY:
status = 0;
break;
case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
status = 0;
break;
case SCSI_CMD_MODE_SENSE_6:
status = mode_sense6(msd_cbw_data);
break;
case SCSI_CMD_READ_FORMAT_CAPACITIES:
status = read_format_capacities(msd_cbw_data);
break;
case SCSI_CMD_VERIFY_10:
status = 0;
break;
}
usb_send_csw(msd_cbw_data, status);
}

197
firmware/baseband/sd_over_usb/scsi.h Normal file
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@ -0,0 +1,197 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2023 Bernd Herzog
*
* This file is part of PortaPack.
*
* 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 __SCSI_H__
#define __SCSI_H__
#include <stddef.h>
#include <common/usb.h>
#include <common/usb_request.h>
#include <common/usb_standard_request.h>
#include <hackrf_usb/usb_device.h>
#include <hackrf_usb/usb_endpoint.h>
#include <libopencm3/lpc43xx/m4/nvic.h>
#include <libopencm3/lpc43xx/cgu.h>
#include "platform_detect.h"
#include "hackrf_core.h"
#include "usb_bulk_buffer.h"
#define MSD_CBW_SIGNATURE 0x43425355
#define MSD_CSW_SIGNATURE 0x53425355
#define SCSI_CMD_TEST_UNIT_READY 0x00
#define SCSI_CMD_REQUEST_SENSE 0x03
#define SCSI_CMD_INQUIRY 0x12
#define SCSI_CMD_MODE_SENSE_6 0x1A
#define SCSI_CMD_START_STOP_UNIT 0x1B
#define SCSI_CMD_SEND_DIAGNOSTIC 0x1D
#define SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1E
#define SCSI_CMD_READ_CAPACITY_10 0x25
#define SCSI_CMD_READ_FORMAT_CAPACITIES 0x23
#define SCSI_CMD_READ_10 0x28
#define SCSI_CMD_WRITE_10 0x2A
#define SCSI_CMD_VERIFY_10 0x2F
#define SCSI_SENSE_KEY_GOOD 0x00
#define SCSI_SENSE_KEY_RECOVERED_ERROR 0x01
#define SCSI_SENSE_KEY_NOT_READY 0x02
#define SCSI_SENSE_KEY_MEDIUM_ERROR 0x03
#define SCSI_SENSE_KEY_HARDWARE_ERROR 0x04
#define SCSI_SENSE_KEY_ILLEGAL_REQUEST 0x05
#define SCSI_SENSE_KEY_UNIT_ATTENTION 0x06
#define SCSI_SENSE_KEY_DATA_PROTECT 0x07
#define SCSI_SENSE_KEY_BLANK_CHECK 0x08
#define SCSI_SENSE_KEY_VENDOR_SPECIFIC 0x09
#define SCSI_SENSE_KEY_COPY_ABORTED 0x0A
#define SCSI_SENSE_KEY_ABORTED_COMMAND 0x0B
#define SCSI_SENSE_KEY_VOLUME_OVERFLOW 0x0D
#define SCSI_SENSE_KEY_MISCOMPARE 0x0E
#define SCSI_ASENSE_NO_ADDITIONAL_INFORMATION 0x00
#define SCSI_ASENSE_LOGICAL_UNIT_NOT_READY 0x04
#define SCSI_ASENSE_INVALID_FIELD_IN_CDB 0x24
#define SCSI_ASENSE_NOT_READY_TO_READY_CHANGE 0x28
#define SCSI_ASENSE_WRITE_PROTECTED 0x27
#define SCSI_ASENSE_FORMAT_ERROR 0x31
#define SCSI_ASENSE_INVALID_COMMAND 0x20
#define SCSI_ASENSE_LBA_OUT_OF_RANGE 0x21
#define SCSI_ASENSE_MEDIUM_NOT_PRESENT 0x3A
#define SCSI_ASENSEQ_NO_QUALIFIER 0x00
#define SCSI_ASENSEQ_FORMAT_COMMAND_FAILED 0x01
#define SCSI_ASENSEQ_INIT_COMMAND_REQUIRED 0x02
#define SCSI_ASENSEQ_OPERATION_IN_PROGRESS 0x07
#define MSD_CBW_SIGNATURE 0x43425355
#define MSD_CSW_SIGNATURE 0x53425355
#define USB_TRANSFER_SIZE 0x2000
typedef struct {
uint32_t signature;
uint32_t tag;
uint32_t data_len;
uint8_t flags;
uint8_t lun;
uint8_t cmd_len;
uint8_t cmd_data[16];
} __attribute__((packed)) msd_cbw_t;
typedef struct {
uint8_t peripheral;
uint8_t removable;
uint8_t version;
uint8_t response_data_format;
uint8_t additional_length;
uint8_t sccstp;
uint8_t bqueetc;
uint8_t cmdque;
uint8_t vendorID[8];
uint8_t productID[16];
uint8_t productRev[4];
} scsi_inquiry_response_t;
typedef struct {
uint32_t signature;
uint32_t tag;
uint32_t data_residue;
uint8_t status;
} __attribute__((packed)) msd_csw_t;
typedef struct {
uint8_t header[4];
uint8_t blocknum[4];
uint8_t blocklen[4];
} scsi_read_format_capacities_response_t;
typedef struct {
uint32_t last_block_addr;
uint32_t block_size;
} scsi_read_capacity10_response_t;
typedef struct {
uint8_t byte[18];
} scsi_sense_response_t;
typedef struct {
uint8_t byte[4];
} scsi_mode_sense6_response_t;
typedef struct {
uint32_t first_lba;
uint16_t blk_cnt;
} data_request_t;
typedef struct {
uint8_t peripheral;
uint8_t page_code;
uint8_t reserved;
uint8_t page_length;
uint8_t serialNumber[8];
} scsi_unit_serial_number_inquiry_response_t;
static inline uint16_t bswap_16(const uint16_t x)
__attribute__ ((warn_unused_result))
__attribute__ ((const))
__attribute__ ((always_inline));
static inline uint16_t bswap_16(const uint16_t x) {
uint8_t tmp;
union { uint16_t x; uint8_t b[2]; } data;
data.x = x;
tmp = data.b[0];
data.b[0] = data.b[1];
data.b[1] = tmp;
return data.x;
}
static inline uint32_t bswap_32(const uint32_t x)
__attribute__ ((warn_unused_result))
__attribute__ ((const))
__attribute__ ((always_inline));
static inline uint32_t bswap_32(const uint32_t x) {
uint8_t tmp;
union { uint32_t x; uint8_t b[4]; } data;
data.x = x;
tmp = data.b[0];
data.b[0] = data.b[3];
data.b[3] = tmp;
tmp = data.b[1];
data.b[1] = data.b[2];
data.b[2] = tmp;
return data.x;
}
#define be16_to_cpu(x) bswap_16(x)
#define be32_to_cpu(x) bswap_32(x)
#define cpu_to_be16(x) bswap_16(x)
#define cpu_to_be32(x) bswap_32(x)
void scsi_command(msd_cbw_t *msd_cbw_data);
#endif /* __SCSI_H__ */

132
firmware/baseband/sd_over_usb/sd_over_usb.c Normal file
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@ -0,0 +1,132 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2023 Bernd Herzog
*
* This file is part of PortaPack.
*
* 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 "sd_over_usb.h"
#include "scsi.h"
bool scsi_running = false;
usb_request_status_t report_max_lun(
usb_endpoint_t* const endpoint,
const usb_transfer_stage_t stage)
{
if (stage == USB_TRANSFER_STAGE_SETUP) {
endpoint->buffer[0] = 0;
usb_transfer_schedule_block(
endpoint->in,
&endpoint->buffer,
1,
NULL,
NULL);
usb_transfer_schedule_ack(endpoint->out);
scsi_running = true;
}
return USB_REQUEST_STATUS_OK;
}
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;
volatile uint8_t request = endpoint->setup.request;
if (request == 0xFE)
return report_max_lun(endpoint, stage);
return status;
}
const usb_request_handlers_t usb_request_handlers = {
.standard = usb_standard_request,
.class = usb_class_request,
.vendor = 0,
.reserved = 0
};
void usb_configuration_changed(usb_device_t* const device) {
(void)device;
usb_endpoint_init(&usb_endpoint_bulk_in);
usb_endpoint_init(&usb_endpoint_bulk_out);
}
void start_usb(void) {
detect_hardware_platform();
pin_setup();
cpu_clock_init();
usb_set_configuration_changed_cb(usb_configuration_changed);
usb_peripheral_reset();
usb_device_init(0, &usb_device);
usb_queue_init(&usb_endpoint_control_out_queue);
usb_queue_init(&usb_endpoint_control_in_queue);
usb_queue_init(&usb_endpoint_bulk_out_queue);
usb_queue_init(&usb_endpoint_bulk_in_queue);
usb_endpoint_init(&usb_endpoint_control_out);
usb_endpoint_init(&usb_endpoint_control_in);
nvic_set_priority(NVIC_USB0_IRQ, 255);
usb_run(&usb_device);
}
void stop_usb(void) {
usb_peripheral_reset();
}
void irq_usb(void) {
usb0_isr();
}
volatile bool transfer_complete = false;
void scsi_bulk_transfer_complete(void* user_data, unsigned int bytes_transferred)
{
(void)user_data;
(void)bytes_transferred;
transfer_complete = true;
}
void usb_transfer(void) {
if (scsi_running) {
transfer_complete = false;
usb_transfer_schedule_block(
&usb_endpoint_bulk_out,
&usb_bulk_buffer[0x4000],
USB_TRANSFER_SIZE,
scsi_bulk_transfer_complete,
NULL);
while (!transfer_complete);
msd_cbw_t *msd_cbw_data = (msd_cbw_t *) &usb_bulk_buffer[0x4000];
if (msd_cbw_data->signature == MSD_CBW_SIGNATURE){
scsi_command(msd_cbw_data);
}
}
}

43
firmware/baseband/sd_over_usb/sd_over_usb.h Normal file
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@ -0,0 +1,43 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2023 Bernd Herzog
*
* This file is part of PortaPack.
*
* 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_SD_OVER_USB_H__
#define __USB_SD_OVER_USB_H__
#include <stddef.h>
#include <common/usb.h>
#include <common/usb_request.h>
#include <common/usb_standard_request.h>
#include <hackrf_usb/usb_device.h>
#include <hackrf_usb/usb_endpoint.h>
#include <libopencm3/lpc43xx/m4/nvic.h>
#include <libopencm3/lpc43xx/cgu.h>
#include "platform_detect.h"
#include "hackrf_core.h"
#include "usb_bulk_buffer.h"
void start_usb(void);
void stop_usb(void);
void irq_usb(void);
void usb_transfer(void);
#endif /* __USB_SD_OVER_USB_H__ */

39
firmware/baseband/sd_over_usb/usb_bulk_buffer.h Normal file
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@ -0,0 +1,39 @@
/*
* 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.
*/
#ifndef __USB_BULK_BUFFER_H__
#define __USB_BULK_BUFFER_H__
#include <stdbool.h>
#include <stdint.h>
#define USB_BULK_BUFFER_SIZE 0x8000
#define USB_BULK_BUFFER_MASK 0x7FFF
/* Address of usb_bulk_buffer is set in ldscripts. If you change the name of this
* variable, it won't be where it needs to be in the processor's address space,
* unless you also adjust the ldscripts.
*/
extern uint8_t usb_bulk_buffer[USB_BULK_BUFFER_SIZE];
#endif /*__USB_BULK_BUFFER_H__*/

322
firmware/baseband/sd_over_usb/usb_descriptor.c Normal file
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@ -0,0 +1,322 @@
/*
* 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 "usb_type.h"
#include "usb_descriptor.h"
#define USB_VENDOR_ID (0x1D50)
#ifdef HACKRF_ONE
#define USB_PRODUCT_ID (0x6089)
#elif JAWBREAKER
#define USB_PRODUCT_ID (0x604B)
#elif RAD1O
#define USB_PRODUCT_ID (0xCC15)
#else
#define USB_PRODUCT_ID (0xFFFF)
#endif
#define USB_API_VERSION (0x0107)
#define USB_WORD(x) (x & 0xFF), ((x >> 8) & 0xFF)
#define USB_MAX_PACKET0 (64)
#define USB_MAX_PACKET_BULK_FS (64)
#define USB_MAX_PACKET_BULK_HS (512)
#define USB_BULK_IN_EP_ADDR (0x81)
#define USB_BULK_OUT_EP_ADDR (0x02)
#define USB_STRING_LANGID (0x0409)
uint8_t usb_descriptor_device[] = {
18, // bLength
USB_DESCRIPTOR_TYPE_DEVICE, // bDescriptorType
USB_WORD(0x0200), // bcdUSB
0x00, // bDeviceClass
0x00, // bDeviceSubClass
0x00, // bDeviceProtocol
USB_MAX_PACKET0, // bMaxPacketSize0
USB_WORD(USB_VENDOR_ID), // idVendor
USB_WORD(USB_PRODUCT_ID), // idProduct
USB_WORD(USB_API_VERSION), // bcdDevice
0x01, // iManufacturer
0x02, // iProduct
0x04, // iSerialNumber
0x01 // bNumConfigurations
};
uint8_t usb_descriptor_device_qualifier[] = {
10, // bLength
USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER, // bDescriptorType
USB_WORD(0x0200), // bcdUSB
0x00, // bDeviceClass
0x00, // bDeviceSubClass
0x00, // bDeviceProtocol
64, // bMaxPacketSize0
0x01, // bNumOtherSpeedConfigurations
0x00 // bReserved
};
uint8_t usb_descriptor_configuration_full_speed[] = {
9, // bLength
USB_DESCRIPTOR_TYPE_CONFIGURATION, // bDescriptorType
USB_WORD(32), // wTotalLength
0x01, // bNumInterfaces
0x01, // bConfigurationValue
0x00, // iConfiguration
0x80, // bmAttributes: USB-powered
250, // bMaxPower: 500mA
9, // bLength
USB_DESCRIPTOR_TYPE_INTERFACE, // bDescriptorType
0x00, // bInterfaceNumber
0x00, // bAlternateSetting
0x02, // bNumEndpoints
0x08, // bInterfaceClass: vendor-specific
0x06, // bInterfaceSubClass
0x50, // bInterfaceProtocol: vendor-specific
0x00, // iInterface
7, // bLength
USB_DESCRIPTOR_TYPE_ENDPOINT, // bDescriptorType
USB_BULK_IN_EP_ADDR, // bEndpointAddress
0x02, // bmAttributes: BULK
USB_WORD(USB_MAX_PACKET_BULK_FS), // wMaxPacketSize
0x00, // bInterval: no NAK
7, // bLength
USB_DESCRIPTOR_TYPE_ENDPOINT, // bDescriptorType
USB_BULK_OUT_EP_ADDR, // bEndpointAddress
0x02, // bmAttributes: BULK
USB_WORD(USB_MAX_PACKET_BULK_FS), // wMaxPacketSize
0x00, // bInterval: no NAK
0, // TERMINATOR
};
uint8_t usb_descriptor_configuration_high_speed[] = {
9, // bLength
USB_DESCRIPTOR_TYPE_CONFIGURATION, // bDescriptorType
USB_WORD(32), // wTotalLength
0x01, // bNumInterfaces
0x01, // bConfigurationValue
0x00, // iConfiguration
0x80, // bmAttributes: USB-powered
250, // bMaxPower: 500mA
9, // bLength
USB_DESCRIPTOR_TYPE_INTERFACE, // bDescriptorType
0x00, // bInterfaceNumber
0x00, // bAlternateSetting
0x02, // bNumEndpoints
0x08, // bInterfaceClass: vendor-specific
0x06, // bInterfaceSubClass
0x50, // bInterfaceProtocol: vendor-specific
0x00, // iInterface
7, // bLength
USB_DESCRIPTOR_TYPE_ENDPOINT, // bDescriptorType
USB_BULK_IN_EP_ADDR, // bEndpointAddress
0x02, // bmAttributes: BULK
USB_WORD(USB_MAX_PACKET_BULK_HS), // wMaxPacketSize
0x00, // bInterval: no NAK
7, // bLength
USB_DESCRIPTOR_TYPE_ENDPOINT, // bDescriptorType
USB_BULK_OUT_EP_ADDR, // bEndpointAddress
0x02, // bmAttributes: BULK
USB_WORD(USB_MAX_PACKET_BULK_HS), // wMaxPacketSize
0x00, // bInterval: no NAK
0, // TERMINATOR
};
uint8_t usb_descriptor_string_languages[] = {
0x04, // bLength
USB_DESCRIPTOR_TYPE_STRING, // bDescriptorType
USB_WORD(USB_STRING_LANGID), // wLANGID
};
// clang-format off
uint8_t usb_descriptor_string_manufacturer[] = {
40, // bLength
USB_DESCRIPTOR_TYPE_STRING, // bDescriptorType
'G', 0x00,
'r', 0x00,
'e', 0x00,
'a', 0x00,
't', 0x00,
' ', 0x00,
'S', 0x00,
'c', 0x00,
'o', 0x00,
't', 0x00,
't', 0x00,
' ', 0x00,
'G', 0x00,
'a', 0x00,
'd', 0x00,
'g', 0x00,
'e', 0x00,
't', 0x00,
's', 0x00,
};
uint8_t usb_descriptor_string_product[] = {
#ifdef HACKRF_ONE
43, // bLength
USB_DESCRIPTOR_TYPE_STRING, // bDescriptorType
'P', 0x00,
'o', 0x00,
'r', 0x00,
't', 0x00,
'a', 0x00,
'P', 0x00,
'a', 0x00,
'c', 0x00,
'k', 0x00,
' ', 0x00,
'M', 0x00,
'a', 0x00,
'y', 0x00,
'h', 0x00,
'e', 0x00,
'm', 0x00,
#elif JAWBREAKER
36, // bLength
USB_DESCRIPTOR_TYPE_STRING, // bDescriptorType
'H', 0x00,
'a', 0x00,
'c', 0x00,
'k', 0x00,
'R', 0x00,
'F', 0x00,
' ', 0x00,
'J', 0x00,
'a', 0x00,
'w', 0x00,
'b', 0x00,
'r', 0x00,
'e', 0x00,
'a', 0x00,
'k', 0x00,
'e', 0x00,
'r', 0x00,
#elif RAD1O
12, // bLength
USB_DESCRIPTOR_TYPE_STRING, // bDescriptorType
'r', 0x00,
'a', 0x00,
'd', 0x00,
'1', 0x00,
'o', 0x00,
#else
14, // bLength
USB_DESCRIPTOR_TYPE_STRING, // bDescriptorType
'H', 0x00,
'a', 0x00,
'c', 0x00,
'k', 0x00,
'R', 0x00,
'F', 0x00,
#endif
};
uint8_t usb_descriptor_string_config_description[] = {
24, // bLength
USB_DESCRIPTOR_TYPE_STRING, // bDescriptorType
'T', 0x00,
'r', 0x00,
'a', 0x00,
'n', 0x00,
's', 0x00,
'c', 0x00,
'e', 0x00,
'i', 0x00,
'v', 0x00,
'e', 0x00,
'r', 0x00,
};
#ifdef DFU_MODE
uint8_t usb_descriptor_string_serial_number[] = {
30, // bLength
USB_DESCRIPTOR_TYPE_STRING, // bDescriptorType
'R', 0x00,
'u', 0x00,
'n', 0x00,
'n', 0x00,
'i', 0x00,
'n', 0x00,
'g', 0x00,
'F', 0x00,
'r', 0x00,
'o', 0x00,
'm', 0x00,
'R', 0x00,
'A', 0x00,
'M', 0x00,
};
#else
uint8_t usb_descriptor_string_serial_number[USB_DESCRIPTOR_STRING_SERIAL_BUF_LEN];
#endif
uint8_t* usb_descriptor_strings[] = {
usb_descriptor_string_languages,
usb_descriptor_string_manufacturer,
usb_descriptor_string_product,
usb_descriptor_string_config_description,
usb_descriptor_string_serial_number,
0, // TERMINATOR
};
uint8_t wcid_string_descriptor[] = {
18, // bLength
USB_DESCRIPTOR_TYPE_STRING, // bDescriptorType
'M', 0x00,
'S', 0x00,
'F', 0x00,
'T', 0x00,
'1', 0x00,
'0', 0x00,
'0', 0x00,
USB_WCID_VENDOR_REQ, // vendor request code for further descriptor
0x00
};
uint8_t wcid_feature_descriptor[] = {
0x28, 0x00, 0x00, 0x00, // bLength
USB_WORD(0x0100), // WCID version
USB_WORD(0x0004), // WICD descriptor index
0x01, // bNumSections
0x00,0x00,0x00,0x00,0x00,0x00,0x00, // Reserved
0x00, // bInterfaceNumber
0x01, // Reserved
'W', 'I', 'N', 'U', 'S', 'B', 0x00,0x00, // Compatible ID, padded with zeros
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // Sub-compatible ID
0x00,0x00,0x00,0x00,0x00,0x00 // Reserved
};

42
firmware/baseband/sd_over_usb/usb_descriptor.h Normal file
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@ -0,0 +1,42 @@
/*
* 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>
extern uint8_t usb_descriptor_device[];
extern uint8_t usb_descriptor_device_qualifier[];
extern uint8_t usb_descriptor_configuration_full_speed[];
extern uint8_t usb_descriptor_configuration_high_speed[];
extern uint8_t usb_descriptor_string_languages[];
extern uint8_t usb_descriptor_string_manufacturer[];
extern uint8_t usb_descriptor_string_product[];
#define USB_DESCRIPTOR_STRING_SERIAL_LEN 32
#define USB_DESCRIPTOR_STRING_SERIAL_BUF_LEN \
(USB_DESCRIPTOR_STRING_SERIAL_LEN * 2 + 2) /* UTF-16LE */
extern uint8_t usb_descriptor_string_serial_number[];
extern uint8_t* usb_descriptor_strings[];
#define USB_WCID_VENDOR_REQ 0x19
extern uint8_t wcid_string_descriptor[];
extern uint8_t wcid_feature_descriptor[];

2
firmware/chibios-portapack/os/ports/GCC/ARMCMx/LPC43xx_M4/ld/LPC43xx_M4.ld
View File

@ -25,8 +25,10 @@ MEMORY
{
flash (rx) : org = 0x00000000, len = 32752 /* Local SRAM @ 0x10080000 */
ram (rwx) : org = 0x10000000, len = 96k /* Local SRAM @ 0x10000000 */
ram_usb (rwx) : org = 0x20008000, len = 32K
}
usb_bulk_buffer = ORIGIN(ram_usb);
__ram_start__ = ORIGIN(ram);
__ram_size__ = LENGTH(ram);
__ram_end__ = __ram_start__ + __ram_size__;

1
firmware/common/spi_image.hpp
View File

@ -107,6 +107,7 @@ constexpr image_tag_t image_tag_siggen { 'P', 'S', 'I', 'G' };
constexpr image_tag_t image_tag_sstv_tx { 'P', 'S', 'T', 'X' };
constexpr image_tag_t image_tag_tones { 'P', 'T', 'O', 'N' };
constexpr image_tag_t image_tag_flash_utility { 'P', 'F', 'U', 'T' };
constexpr image_tag_t image_tag_usb_sd { 'P', 'U', 'S', 'B' };
constexpr image_tag_t image_tag_noop { 'P', 'N', 'O', 'P' };