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Kompletter OTA Flash-Prozess mit Server (hab zwischencommits vergessen ups)

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irrlicht
2026-05-15 23:33:10 +02:00
parent 5d9d3e205b
commit ad05cef1bf
16 changed files with 1797 additions and 0 deletions
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flashwrite/CMakeLists.txt
+23
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cmake_minimum_required(VERSION 3.13)
include(pico_sdk_import.cmake)
project(flashwrite C CXX ASM)
pico_sdk_init()
add_executable(flashwrite
flashwrite.c
)
target_link_libraries(flashwrite
pico_stdlib
pico_cyw43_arch_none
hardware_flash
hardware_sync
)
pico_enable_stdio_usb(flashwrite 1)
pico_enable_stdio_uart(flashwrite 0)
pico_add_extra_outputs(flashwrite)
flashwrite/flashwrite.c
+96
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#include <stdio.h>
#include <string.h>
#include "pico/stdlib.h"
#include "pico/cyw43_arch.h"
#include "hardware/flash.h"
#include "hardware/sync.h"
// Test-Sektor: weit weg von allem anderen. Pico 2W hat 4 MB Flash.
// 0xE0000 = 896 KB Offset. Wuerde im OTA-Layout knapp hinter der App liegen,
// hier aber unbenutzt.
#define TEST_FLASH_OFFSET 0xE0000u
#define TEST_FLASH_ADDR (XIP_BASE + TEST_FLASH_OFFSET)
static void blink_forever(uint32_t on_ms, uint32_t off_ms) {
while (true) {
cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, true);
sleep_ms(on_ms);
cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, false);
sleep_ms(off_ms);
}
}
static void hexdump16(const uint8_t *p) {
for (int i = 0; i < 16; i++) {
printf("%02x ", p[i]);
}
printf("\n");
}
int main(void) {
stdio_init_all();
sleep_ms(3000); // Host-Terminal Zeit zum Verbinden
if (cyw43_arch_init()) {
while (true) {
tight_loop_contents();
}
}
printf("\n=== flashwrite sanity test ===\n");
printf("Test-Sektor: XIP-Adresse 0x%08x (Flash-Offset 0x%05x)\n",
(unsigned)TEST_FLASH_ADDR, (unsigned)TEST_FLASH_OFFSET);
printf("FLASH_SECTOR_SIZE=%u FLASH_PAGE_SIZE=%u\n",
(unsigned)FLASH_SECTOR_SIZE, (unsigned)FLASH_PAGE_SIZE);
const uint8_t *flash = (const uint8_t *)TEST_FLASH_ADDR;
printf("Vor erase: ");
hexdump16(flash);
printf("Erase 4 KB...\n");
uint32_t irq = save_and_disable_interrupts();
flash_range_erase(TEST_FLASH_OFFSET, FLASH_SECTOR_SIZE);
restore_interrupts(irq);
printf("Nach erase: ");
hexdump16(flash);
for (uint32_t i = 0; i < FLASH_SECTOR_SIZE; i++) {
if (flash[i] != 0xFF) {
printf("FEHLER: Erase unvollstaendig bei +%lu: 0x%02x\n", i, flash[i]);
blink_forever(50, 50);
}
}
printf("Erase verifiziert (alle 4096 Byte = 0xFF).\n");
uint8_t pattern[FLASH_PAGE_SIZE];
for (uint32_t i = 0; i < FLASH_PAGE_SIZE; i++) {
pattern[i] = (uint8_t)(i ^ 0x5A);
}
printf("Program 256 Byte...\n");
irq = save_and_disable_interrupts();
flash_range_program(TEST_FLASH_OFFSET, pattern, FLASH_PAGE_SIZE);
restore_interrupts(irq);
printf("Nach program: ");
hexdump16(flash);
if (memcmp(flash, pattern, FLASH_PAGE_SIZE) == 0) {
printf("ERFOLG: Pattern korrekt im Flash.\n");
printf("LED: schnelles Blinky 200/200.\n");
blink_forever(200, 200);
} else {
printf("FEHLER: Pattern-Mismatch.\n");
for (uint32_t i = 0; i < FLASH_PAGE_SIZE; i++) {
if (flash[i] != pattern[i]) {
printf(" Diff bei +%lu: got 0x%02x, expected 0x%02x\n",
i, flash[i], pattern[i]);
break;
}
}
blink_forever(50, 50);
}
}
flashwrite/pico_sdk_import.cmake
+73
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# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake
# This can be dropped into an external project to help locate this SDK
# It should be include()ed prior to project()
if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
endif ()
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT))
set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT})
message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')")
endif ()
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH))
set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH})
message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
endif ()
set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
if (NOT PICO_SDK_PATH)
if (PICO_SDK_FETCH_FROM_GIT)
include(FetchContent)
set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
if (PICO_SDK_FETCH_FROM_GIT_PATH)
get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
endif ()
# GIT_SUBMODULES_RECURSE was added in 3.17
if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
FetchContent_Declare(
pico_sdk
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG master
GIT_SUBMODULES_RECURSE FALSE
)
else ()
FetchContent_Declare(
pico_sdk
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG master
)
endif ()
if (NOT pico_sdk)
message("Downloading Raspberry Pi Pico SDK")
FetchContent_Populate(pico_sdk)
set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
endif ()
set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
else ()
message(FATAL_ERROR
"SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
)
endif ()
endif ()
get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
if (NOT EXISTS ${PICO_SDK_PATH})
message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found")
endif ()
set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK")
endif ()
set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
include(${PICO_SDK_INIT_CMAKE_FILE})