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Initial: add SFU for rp2040
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10 files changed

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10 files changed

+4934
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lines changed

‎libraries/SFU/extra/main.cpp

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#include "mbed.h"
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#include "FlashIAPBlockDevice.h"
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#include "FATFileSystem.h"
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#define SD_MOUNT_PATH "ota"
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#define FULL_UPDATE_FILE_PATH "/" SD_MOUNT_PATH "/" MBED_CONF_APP_UPDATE_FILE
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#define POST_APPLICATION_ADDR 0x10000
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#if !defined(POST_APPLICATION_ADDR)
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#error "target.restrict_size must be set for your target in mbed_app.json"
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#endif
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//Pin order: MOSI, MISO, SCK, CS
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//FlashIAPBlockDevice sd(XIP_BASE + 0xF00000, 0x100000);
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FlashIAPBlockDevice sd(XIP_BASE + 0x100000, 0x100000);
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FATFileSystem fs(SD_MOUNT_PATH);
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FlashIAP flash;
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void apply_update(FILE *file, uint32_t address);
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int main()
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{
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FILE *file;
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sd.init();
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int err = fs.mount(&sd);
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if (err != 0) {
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printf("No partition found\r\n");
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goto boot;
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}
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file = fopen(FULL_UPDATE_FILE_PATH, "rb");
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if (file != NULL) {
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printf("Firmware update found\r\n");
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apply_update(file, XIP_BASE + POST_APPLICATION_ADDR);
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fclose(file);
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remove(FULL_UPDATE_FILE_PATH);
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} else {
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printf("No update found to apply\r\n");
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}
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fs.unmount();
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boot:
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sd.deinit();
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printf("Starting application\r\n");
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mbed_start_application(XIP_BASE + POST_APPLICATION_ADDR + 0x100);
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}
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void apply_update(FILE *file, uint32_t address)
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{
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fseek(file, 0, SEEK_END);
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// Skip the first POST_APPLICATION_ADDR bytes
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long len = ftell(file) - POST_APPLICATION_ADDR;
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printf("Firmware size is %ld bytes\r\n", len);
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fseek(file, POST_APPLICATION_ADDR, SEEK_SET);
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flash.init();
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const uint32_t page_size = flash.get_page_size();
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char *page_buffer = new char[page_size];
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uint32_t addr = address;
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uint32_t next_sector = addr + flash.get_sector_size(addr);
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bool sector_erased = false;
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size_t pages_flashed = 0;
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uint32_t percent_done = 0;
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while (true) {
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// Read data for this page
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memset(page_buffer, 0, sizeof(char) * page_size);
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int size_read = fread(page_buffer, 1, page_size, file);
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if (size_read <= 0) {
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break;
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}
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// Erase this page if it hasn't been erased
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if (!sector_erased) {
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flash.erase(addr, flash.get_sector_size(addr));
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sector_erased = true;
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}
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// Program page
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flash.program(page_buffer, addr, page_size);
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addr += page_size;
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if (addr >= next_sector) {
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next_sector = addr + flash.get_sector_size(addr);
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sector_erased = false;
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}
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if (++pages_flashed % 3 == 0) {
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uint32_t percent_done_new = ftell(file) * 100 / len;
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if (percent_done != percent_done_new) {
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percent_done = percent_done_new;
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printf("Flashed %3ld%%\r", percent_done);
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}
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}
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}
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printf("Flashed 100%%\r\n");
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delete[] page_buffer;
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flash.deinit();
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}

‎libraries/SFU/extra/mbed-os.lib

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https://github.com/arduino/mbed-os/#1820aade78cbc3e3231def2c3ffd0b363bf1778c

‎libraries/SFU/extra/mbed_app.json

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{
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"config": {
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"update_file": {
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"help": "Path to the application update binary on the SD card",
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"value": "\"UPDATE.BIN\""
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}
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},
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"target_overrides": {
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"NANO_RP2040_CONNECT": {
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"platform.stdio-baud-rate": 115200,
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"target.c_lib": "small",
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"target.restrict_size": "0x10000"
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}
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}
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}

‎libraries/SFU/library.properties

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name=SFU
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version=1.0.0
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author=Arduino
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maintainer=Arduino <[email protected]>
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sentence=Update the sketch on your board from a Arduino MKRMEM Shield.
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paragraph=Requires a Arduino MKRMEM Shield.
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category=Other
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url=https://www.arduino.cc/en/Reference/SFU
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architectures=mbed

‎libraries/SFU/src/SFU.cpp

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#include "SFU.h"
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#include "FlashIAPBlockDevice.h"
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#include "FATFileSystem.h"
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#include "PluggableUSBMSD.h"
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const unsigned char SFU[0x10000] __attribute__ ((section(".second_stage_ota"), used)) = {
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#include "rp2040.h"
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};
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FlashIAPBlockDevice bd(XIP_BASE + 0x100000, 0x100000);
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void USBMSD::begin()
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{
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int err = getFileSystem().mount(&bd);
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if (err) {
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err = getFileSystem().reformat(&bd);
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}
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}
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mbed::FATFileSystem& USBMSD::getFileSystem()
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{
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static mbed::FATFileSystem fs("ota");
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return fs;
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}
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USBMSD MassStorage(&bd);
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int SFU::begin() {
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MassStorage.begin();
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}
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int SFU::download(const char* url) {
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// No download at the moment, allow the user to upload a file via mass storage
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}
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int SFU::apply() {
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// No autoreboot
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}

‎libraries/SFU/src/SFU.h

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#include "WiFiNINA.h"
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class SFU {
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public:
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static int begin();
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static int download(const char* url);
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static int apply();
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};

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