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Replace startup busy-spins with bounded retries

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Pol Henarejos
2026-06-01 13:17:27 +02:00
parent 9611a81898
commit 2ed315cd81
1 changed files with 48 additions and 5 deletions
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53
src/usb/lwip/lwip.c
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@@ -232,11 +232,37 @@ void tud_network_init_cb(void) {
}
int lwip_itf_init(void) {
const uint32_t init_timeout_ms = 5000;
uint32_t start_ms = board_millis();
init_lwip();
while (!netif_is_up(&netif_data));
while (!netif_is_up(&netif_data)) {
if (board_millis() - start_ms >= init_timeout_ms) {
return -1;
}
#if defined(ESP_PLATFORM)
vTaskDelay(pdMS_TO_TICKS(1));
#else
sleep_ms(1);
#endif
}
#if !defined(ESP_PLATFORM)
while (dhserv_init(&dhcp_config) != ERR_OK);
while (dnserv_init(IP_ADDR_ANY, 53, dns_query_proc) != ERR_OK);
start_ms = board_millis();
while (dhserv_init(&dhcp_config) != ERR_OK) {
if (board_millis() - start_ms >= init_timeout_ms) {
return -1;
}
sleep_ms(1);
}
start_ms = board_millis();
while (dnserv_init(IP_ADDR_ANY, 53, dns_query_proc) != ERR_OK) {
if (board_millis() - start_ms >= init_timeout_ms) {
return -1;
}
sleep_ms(1);
}
#else
if (dhcps == NULL) {
dhcps = dhcps_new();
@@ -246,10 +272,27 @@ int lwip_itf_init(void) {
ip_addr_t dns_server;
ip_addr_copy_from_ip4(dns_server, ipaddr);
(void) dhcps_dns_setserver(dhcps, &dns_server);
while (dhcps_start(dhcps, &netif_data, ipaddr) != ERR_OK);
start_ms = board_millis();
while (dhcps_start(dhcps, &netif_data, ipaddr) != ERR_OK) {
if (board_millis() - start_ms >= init_timeout_ms) {
return -1;
}
vTaskDelay(pdMS_TO_TICKS(1));
}
}
#endif
while (rest_server_init(REST_CONN_ALL) != ERR_OK);
start_ms = board_millis();
while (rest_server_init(REST_CONN_ALL) != ERR_OK) {
if (board_millis() - start_ms >= init_timeout_ms) {
return -1;
}
#if defined(ESP_PLATFORM)
vTaskDelay(pdMS_TO_TICKS(1));
#else
sleep_ms(1);
#endif
}
return 0;
}