100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/**
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* Copyright (c) 2022 Raspberry Pi (Trading) Ltd.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include "pico/cyw43_arch.h"
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#include "pico/stdlib.h"
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#include "lwip/netif.h"
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#include "lwip/ip4_addr.h"
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#include "lwip/apps/lwiperf.h"
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#ifndef USE_LED
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#define USE_LED 1
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#endif
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#if CLIENT_TEST && !defined(IPERF_SERVER_IP)
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#error IPERF_SERVER_IP not defined
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#endif
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// Report IP results and exit
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static void iperf_report(void *arg, enum lwiperf_report_type report_type,
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const ip_addr_t *local_addr, u16_t local_port, const ip_addr_t *remote_addr, u16_t remote_port,
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u32_t bytes_transferred, u32_t ms_duration, u32_t bandwidth_kbitpsec) {
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static uint32_t total_iperf_megabytes = 0;
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uint32_t mbytes = bytes_transferred / 1024 / 1024;
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float mbits = bandwidth_kbitpsec / 1000.0;
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total_iperf_megabytes += mbytes;
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printf("Completed iperf transfer of %d MBytes @ %.1f Mbits/sec\n", mbytes, mbits);
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printf("Total iperf megabytes since start %d Mbytes\n", total_iperf_megabytes);
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#if CYW43_USE_STATS
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printf("packets in %u packets out %u\n", CYW43_STAT_GET(PACKET_IN_COUNT), CYW43_STAT_GET(PACKET_OUT_COUNT));
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#endif
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}
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int main() {
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stdio_init_all();
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if (cyw43_arch_init()) {
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printf("failed to initialise\n");
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return 1;
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}
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cyw43_arch_enable_sta_mode();
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printf("Connecting to WiFi...\n");
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if (cyw43_arch_wifi_connect_timeout_ms(WIFI_SSID, WIFI_PASSWORD, CYW43_AUTH_WPA2_AES_PSK, 30000)) {
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printf("failed to connect.\n");
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return 1;
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} else {
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printf("Connected.\n");
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}
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#if CLIENT_TEST
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printf("\nReady, running iperf client\n");
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ip_addr_t clientaddr;
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ip4_addr_set_u32(&clientaddr, ipaddr_addr(xstr(IPERF_SERVER_IP)));
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assert(lwiperf_start_tcp_client_default(&clientaddr, &iperf_report, NULL) != NULL);
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#else
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printf("\nReady, running iperf server at %s\n", ip4addr_ntoa(netif_ip4_addr(netif_list)));
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lwiperf_start_tcp_server_default(&iperf_report, NULL);
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#endif
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while(true) {
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#if USE_LED
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static absolute_time_t led_time;
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static int led_on = true;
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// Invert the led
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if (absolute_time_diff_us(get_absolute_time(), led_time) < 0) {
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led_on = !led_on;
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cyw43_gpio_set(&cyw43_state, 0, led_on);
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led_time = make_timeout_time_ms(1000);
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// Check we can read back the led value
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bool actual_led_val = !led_on;
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cyw43_gpio_get(&cyw43_state, 0, &actual_led_val);
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assert(led_on == actual_led_val);
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}
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#endif
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// the following #ifdef is only here so this same example can be used in multiple modes;
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// you do not need it in your code
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#if PICO_CYW43_ARCH_POLL
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// if you are using pico_cyw43_arch_poll, then you must poll periodically from your
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// main loop (not from a timer) to check for WiFi driver or lwIP work that needs to be done.
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cyw43_arch_poll();
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sleep_ms(1);
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#else
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// if you are not using pico_cyw43_arch_poll, then WiFI driver and lwIP work
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// is done via interrupt in the background. This sleep is just an example of some (blocking)
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// work you might be doing.
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sleep_ms(1000);
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#endif
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}
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cyw43_arch_deinit();
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return 0;
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}
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