Keuronde/RP2040_Teleplot_C
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Initialisation du dêpôt - envoi UDP fonctionnel

Browse Source
This commit is contained in:
Samuel 2024-07-18 17:49:06 +02:00
commit f5d7957b57
9 changed files with 317 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
.gitignore vendored Normal file
View File

@ -0,0 +1,2 @@
wifi_settings.h
build/*

8
.vscode/settings.json vendored Normal file
View File

@ -0,0 +1,8 @@
{
"files.associations": {
"cyw43_arch.h": "c",
"stdlib.h": "c",
"cyw43.h": "c",
"wifi_settings.h.default": "c"
}
}

25
.vscode/tasks.json vendored Normal file
View File

@ -0,0 +1,25 @@
{
"tasks": [
{
"type": "shell",
"command": "cd build; cmake ../ -DPICO_BOARD=pico_w; make",
"label": "CMake in build/",
"problemMatcher": [],
"group": {
"kind": "build",
"isDefault": false
}
},
{
"type": "shell",
"command": "cd build; cmake ../ -DPICO_BOARD=pico_w; make Flash",
"label": "CMake & Make & Flash",
"problemMatcher": [],
"group": {
"kind": "build",
"isDefault": true
}
}
],
"version": "2.0.0"
}

25
CMakeLists.txt Normal file
View File

@ -0,0 +1,25 @@
cmake_minimum_required(VERSION 3.13)
include(pico_sdk_import.cmake)
project(test_project C CXX ASM)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)
pico_sdk_init()
add_executable(test
picow_udp_beacon.c
)
pico_enable_stdio_usb(test 1)
pico_enable_stdio_uart(test 1)
pico_add_extra_outputs(test)
target_include_directories(test PRIVATE ${CMAKE_CURRENT_LIST_DIR} )
target_link_libraries(test pico_cyw43_arch_lwip_threadsafe_background pico_stdlib)
target_compile_definitions(test PRIVATE
WIFI_SSID=\"${WIFI_SSID}\"
WIFI_PASSWORD=\"${WIFI_PASSWORD}\"
)
add_custom_target(Flash
DEPENDS test
COMMAND sudo picotool load -f ${PROJECT_BINARY_DIR}/test.uf2
)

10
lwipopts.h Normal file
View File

@ -0,0 +1,10 @@
#ifndef _LWIPOPTS_H
#define _LWIPOPTS_H
// Generally you would define your own explicit list of lwIP options
// (see https://www.nongnu.org/lwip/2_1_x/group__lwip__opts.html)
//
// This example uses a common include to avoid repetition
#include "lwipopts_examples_common.h"
#endif

90
lwipopts_examples_common.h Normal file
View File

@ -0,0 +1,90 @@
#ifndef _LWIPOPTS_EXAMPLE_COMMONH_H
#define _LWIPOPTS_EXAMPLE_COMMONH_H
// Common settings used in most of the pico_w examples
// (see https://www.nongnu.org/lwip/2_1_x/group__lwip__opts.html for details)
// allow override in some examples
#ifndef NO_SYS
#define NO_SYS 1
#endif
// allow override in some examples
#ifndef LWIP_SOCKET
#define LWIP_SOCKET 0
#endif
#if PICO_CYW43_ARCH_POLL
#define MEM_LIBC_MALLOC 1
#else
// MEM_LIBC_MALLOC is incompatible with non polling versions
#define MEM_LIBC_MALLOC 0
#endif
#define MEM_ALIGNMENT 4
#define MEM_SIZE 4000
#define MEMP_NUM_TCP_SEG 32
#define MEMP_NUM_ARP_QUEUE 10
#define PBUF_POOL_SIZE 24
#define LWIP_ARP 1
#define LWIP_ETHERNET 1
#define LWIP_ICMP 1
#define LWIP_RAW 1
#define TCP_WND (8 * TCP_MSS)
#define TCP_MSS 1460
#define TCP_SND_BUF (8 * TCP_MSS)
#define TCP_SND_QUEUELEN ((4 * (TCP_SND_BUF) + (TCP_MSS - 1)) / (TCP_MSS))
#define LWIP_NETIF_STATUS_CALLBACK 1
#define LWIP_NETIF_LINK_CALLBACK 1
#define LWIP_NETIF_HOSTNAME 1
#define LWIP_NETCONN 0
#define MEM_STATS 0
#define SYS_STATS 0
#define MEMP_STATS 0
#define LINK_STATS 0
// #define ETH_PAD_SIZE 2
#define LWIP_CHKSUM_ALGORITHM 3
#define LWIP_DHCP 1
#define LWIP_IPV4 1
#define LWIP_TCP 1
#define LWIP_UDP 1
#define LWIP_DNS 1
#define LWIP_TCP_KEEPALIVE 1
#define LWIP_NETIF_TX_SINGLE_PBUF 1
#define DHCP_DOES_ARP_CHECK 0
#define LWIP_DHCP_DOES_ACD_CHECK 0
#ifndef NDEBUG
#define LWIP_DEBUG 1
#define LWIP_STATS 1
#define LWIP_STATS_DISPLAY 1
#endif
#define ETHARP_DEBUG LWIP_DBG_OFF
#define NETIF_DEBUG LWIP_DBG_OFF
#define PBUF_DEBUG LWIP_DBG_OFF
#define API_LIB_DEBUG LWIP_DBG_OFF
#define API_MSG_DEBUG LWIP_DBG_OFF
#define SOCKETS_DEBUG LWIP_DBG_OFF
#define ICMP_DEBUG LWIP_DBG_OFF
#define INET_DEBUG LWIP_DBG_OFF
#define IP_DEBUG LWIP_DBG_OFF
#define IP_REASS_DEBUG LWIP_DBG_OFF
#define RAW_DEBUG LWIP_DBG_OFF
#define MEM_DEBUG LWIP_DBG_OFF
#define MEMP_DEBUG LWIP_DBG_OFF
#define SYS_DEBUG LWIP_DBG_OFF
#define TCP_DEBUG LWIP_DBG_OFF
#define TCP_INPUT_DEBUG LWIP_DBG_OFF
#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
#define TCP_RTO_DEBUG LWIP_DBG_OFF
#define TCP_CWND_DEBUG LWIP_DBG_OFF
#define TCP_WND_DEBUG LWIP_DBG_OFF
#define TCP_FR_DEBUG LWIP_DBG_OFF
#define TCP_QLEN_DEBUG LWIP_DBG_OFF
#define TCP_RST_DEBUG LWIP_DBG_OFF
#define UDP_DEBUG LWIP_DBG_OFF
#define TCPIP_DEBUG LWIP_DBG_OFF
#define PPP_DEBUG LWIP_DBG_OFF
#define SLIP_DEBUG LWIP_DBG_OFF
#define DHCP_DEBUG LWIP_DBG_OFF
#endif /* __LWIPOPTS_H__ */

62
pico_sdk_import.cmake Normal file
View File

@ -0,0 +1,62 @@
# 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 ()
FetchContent_Declare(
pico_sdk
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG master
)
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})

91
picow_udp_beacon.c Normal file
View File

@ -0,0 +1,91 @@
/**
* Copyright (c) 2022 Andrew McDonnell
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include "pico/stdlib.h"
#include "pico/cyw43_arch.h"
#include "lwip/pbuf.h"
#include "lwip/udp.h"
// Si le fichier n'existe pas, créez-le à partir du modèle "wifi_settings.h.default"
#include "wifi_settings.h"
#define UDP_PORT 47269
#define BEACON_MSG_LEN_MAX 127
#define BEACON_TARGET "192.168.1.58"
#define BEACON_INTERVAL_MS 25
void run_udp_beacon() {
struct udp_pcb* pcb = udp_new();
ip_addr_t addr;
ipaddr_aton(BEACON_TARGET, &addr);
int counter = 0;
while (true) {
struct pbuf *p = pbuf_alloc(PBUF_TRANSPORT, BEACON_MSG_LEN_MAX+1, PBUF_RAM);
char *req = (char *)p->payload;
memset(req, 0, BEACON_MSG_LEN_MAX+1);
snprintf(req, BEACON_MSG_LEN_MAX, "t:%d\nsin:%.2f\n", counter, sinf(counter/10.));
err_t er = udp_sendto(pcb, p, &addr, UDP_PORT);
pbuf_free(p);
if (er != ERR_OK) {
printf("Failed to send UDP packet! error=%d", er);
} else {
printf("Sent packet %d\n", counter);
counter++;
}
// Note in practice for this simple UDP transmitter,
// the end result for both background and poll is the same
#if PICO_CYW43_ARCH_POLL
// if you are using pico_cyw43_arch_poll, then you must poll periodically from your
// main loop (not from a timer) to check for Wi-Fi driver or lwIP work that needs to be done.
cyw43_arch_poll();
sleep_ms(BEACON_INTERVAL_MS);
#else
// if you are not using pico_cyw43_arch_poll, then WiFI driver and lwIP work
// is done via interrupt in the background. This sleep is just an example of some (blocking)
// work you might be doing.
sleep_ms(BEACON_INTERVAL_MS);
#endif
}
}
int init_wifi(void){
if (cyw43_arch_init()) {
printf("failed to initialise\n");
return 1;
}
cyw43_arch_enable_sta_mode();
printf("Connecting to Wi-Fi...\n");
if (cyw43_arch_wifi_connect_timeout_ms(WIFI_SSID, WIFI_PASSWORD, CYW43_AUTH_WPA2_AES_PSK, 30000)) {
printf("failed to connect.\n");
return 1;
} else {
printf("Connected.\n");
}
return 0;
}
int main() {
int erreur;
stdio_init_all();
erreur = init_wifi();
if(!erreur){
run_udp_beacon();
}
cyw43_arch_deinit();
return 0;
}

4
wifi_settings.h.default Normal file
View File

@ -0,0 +1,4 @@
// Copier ce fichier en "wifi_settings.h" et renseignez vos identifiants WiFi.
#define WIFI_SSID "My_SSID"
#define WIFI_PASSWORD "My_WiFi_Password"