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Merge pull request #2110 from cesanta/pico-w5500

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Gen MAC from board ID, standardize
This commit is contained in:
Sergio R. Caprile 2023-03-08 17:30:54 -03:00 committed by GitHub
commit 1da134c38c
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1 changed files with 38 additions and 21 deletions
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59
examples/rp2040/pico-w5500/main.c
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@ -6,6 +6,7 @@
#include "hardware/spi.h"
#include "pico/rand.h"
#include "pico/stdlib.h"
#include "pico/unique_id.h"
#include "mongoose.h"
@ -31,41 +32,57 @@ void mg_random(void *buf, size_t len) {
}
}
static void timer_cb(void *arg) {
gpio_put(PICO_DEFAULT_LED_PIN, !gpio_get_out_level(PICO_DEFAULT_LED_PIN));
bool up = ((struct mg_tcpip_if *) arg)->state == MIP_STATE_READY;
MG_INFO(("Ethernet: %s", up ? "up" : "down")); // Show network status
static void timer_fn(void *arg) {
gpio_put(PICO_DEFAULT_LED_PIN,
!gpio_get_out_level(PICO_DEFAULT_LED_PIN)); // Blink LED
struct mg_tcpip_if *ifp = arg; // And show
const char *names[] = {"down", "up", "ready"}; // network stats
MG_INFO(("Ethernet: %s, IP: %M, rx:%u, tx:%u, dr:%u, er:%u",
names[ifp->state], mg_print_ip4, &ifp->ip, ifp->nrecv, ifp->nsent,
ifp->ndrop, ifp->nerr));
}
int main(void) {
stdio_init_all();
MG_INFO(("Starting ..."));
// Init LED
gpio_init(LED);
gpio_set_dir(LED, GPIO_OUT);
static void eth_spi_init(void) {
// Init SPI pins
spi_init(spi0, 500 * 1000);
gpio_set_function(SPI_RX, GPIO_FUNC_SPI); // MISO
gpio_set_function(SPI_TX, GPIO_FUNC_SPI); // MOSI
gpio_set_function(SPI_CLK, GPIO_FUNC_SPI); // CLK
gpio_init(SPI_CS); // CS
gpio_set_dir(SPI_CS, GPIO_OUT); // Set CS it to output
gpio_set_dir(SPI_CS, GPIO_OUT); // Set CS to output
gpio_put(SPI_CS, 1); // And drive CS high (inactive)
}
// Init Mongoose
// Helper macro for MAC generation
#define GENERATE_LOCALLY_ADMINISTERED_MAC(id) \
{ 2, id[3], id[4], id[5], id[6], id[7] }
int main(void) {
stdio_init_all();
gpio_init(LED); // Setup board LED
gpio_set_dir(LED, GPIO_OUT);
eth_spi_init(); // Initialise SPI pins
MG_INFO(("Starting ..."));
pico_unique_board_id_t board_id;
pico_get_unique_board_id(&board_id);
uint8_t *id = board_id.id;
struct mg_mgr mgr; // Initialise
mg_mgr_init(&mgr); // Mongoose event manager
mg_log_set(MG_LL_DEBUG); // Set log level
// Initialise Mongoose network stack
// Specify MAC address, and IP/mask/GW in network byte order for static
// IP configuration. If IP/mask/GW are unset, DHCP is going to be used
struct mg_tcpip_spi spi = {NULL, spi_begin, spi_end, spi_txn};
struct mg_tcpip_if mif = {.mac = {2, 0, 1, 2, 3, 5},
struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(id),
.driver = &mg_tcpip_driver_w5500,
.driver_data = &spi};
struct mg_mgr mgr; // Declare event manager
mg_mgr_init(&mgr); // Init event manager
mg_log_set(MG_LL_DEBUG); // Set DEBUG log level
mg_tcpip_init(&mgr, &mif); // Init TCP/IP stack
mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_cb, &mif);
mg_tcpip_init(&mgr, &mif);
mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mif);
MG_INFO(("Waiting until network is up..."));
MG_INFO(("MAC: %M. Waiting for IP...", mg_print_mac, mif.mac));
while (mif.state != MIP_STATE_READY) {
mg_mgr_poll(&mgr, 0);
}