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Add static IP and socket listening example #95
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,223 @@ | ||
| #![no_std] | ||
| #![no_main] | ||
| #![feature(c_variadic)] | ||
| #![feature(const_mut_refs)] | ||
|
|
||
| #[cfg(feature = "esp32")] | ||
| use esp32_hal as hal; | ||
| #[cfg(feature = "esp32c3")] | ||
| use esp32c3_hal as hal; | ||
| #[cfg(feature = "esp32s2")] | ||
| use esp32s2_hal as hal; | ||
| #[cfg(feature = "esp32s3")] | ||
| use esp32s3_hal as hal; | ||
|
|
||
| use embedded_io::blocking::*; | ||
| use embedded_svc::ipv4::Interface; | ||
| use embedded_svc::wifi::{AccessPointInfo, ClientConfiguration, Configuration, Wifi}; | ||
|
|
||
| use esp_backtrace as _; | ||
| use esp_println::logger::init_logger; | ||
| use esp_println::{print, println}; | ||
| use esp_wifi::wifi::utils::create_network_interface; | ||
| use esp_wifi::wifi_interface::{Network, WifiError}; | ||
| use esp_wifi::{create_network_stack_storage, network_stack_storage}; | ||
| use esp_wifi::{current_millis, initialize}; | ||
| use hal::clock::{ClockControl, CpuClock}; | ||
| use hal::{pac::Peripherals, prelude::*, Rtc}; | ||
|
|
||
| #[cfg(any(feature = "esp32c3"))] | ||
| use hal::system::SystemExt; | ||
|
|
||
| #[cfg(feature = "esp32c3")] | ||
| use riscv_rt::entry; | ||
| #[cfg(any(feature = "esp32", feature = "esp32s3", feature = "esp32s2"))] | ||
| use xtensa_lx_rt::entry; | ||
|
|
||
| const SSID: &str = env!("SSID"); | ||
| const PASSWORD: &str = env!("PASSWORD"); | ||
| const STATIC_IP: &str = env!("STATIC_IP"); | ||
| const GATEWAY_IP: &str = env!("GATEWAY_IP"); | ||
|
|
||
| #[entry] | ||
| fn main() -> ! { | ||
| init_logger(log::LevelFilter::Info); | ||
| esp_wifi::init_heap(); | ||
|
|
||
| let peripherals = Peripherals::take().unwrap(); | ||
|
|
||
| #[cfg(not(feature = "esp32"))] | ||
| let system = peripherals.SYSTEM.split(); | ||
| #[cfg(feature = "esp32")] | ||
| let system = peripherals.DPORT.split(); | ||
|
|
||
| #[cfg(feature = "esp32c3")] | ||
| let clocks = ClockControl::configure(system.clock_control, CpuClock::Clock160MHz).freeze(); | ||
| #[cfg(any(feature = "esp32", feature = "esp32s3", feature = "esp32s2"))] | ||
| let clocks = ClockControl::configure(system.clock_control, CpuClock::Clock240MHz).freeze(); | ||
|
|
||
| let mut rtc = Rtc::new(peripherals.RTC_CNTL); | ||
|
|
||
| // Disable watchdog timers | ||
| #[cfg(not(any(feature = "esp32", feature = "esp32s2")))] | ||
| rtc.swd.disable(); | ||
|
|
||
| rtc.rwdt.disable(); | ||
|
|
||
| let mut storage = create_network_stack_storage!(3, 8, 1, 1); | ||
| let ethernet = create_network_interface(network_stack_storage!(storage)); | ||
| let mut wifi_interface = esp_wifi::wifi_interface::Wifi::new(ethernet); | ||
|
|
||
| #[cfg(feature = "esp32c3")] | ||
| { | ||
| use hal::systimer::SystemTimer; | ||
| let syst = SystemTimer::new(peripherals.SYSTIMER); | ||
| initialize(syst.alarm0, peripherals.RNG, &clocks).unwrap(); | ||
| } | ||
| #[cfg(any(feature = "esp32", feature = "esp32s3", feature = "esp32s2"))] | ||
| { | ||
| use hal::timer::TimerGroup; | ||
| let timg1 = TimerGroup::new(peripherals.TIMG1, &clocks); | ||
| initialize(timg1.timer0, peripherals.RNG, &clocks).unwrap(); | ||
| } | ||
|
|
||
| println!("is wifi started: {:?}", wifi_interface.is_started()); | ||
|
|
||
| println!("Start Wifi Scan"); | ||
| let res: Result<(heapless::Vec<AccessPointInfo, 10>, usize), WifiError> = | ||
| wifi_interface.scan_n(); | ||
| if let Ok((res, _count)) = res { | ||
| for ap in res { | ||
| println!("{:?}", ap); | ||
| } | ||
| } | ||
|
|
||
| println!("Call wifi_connect"); | ||
| let client_config = Configuration::Client(ClientConfiguration { | ||
| ssid: SSID.into(), | ||
| password: PASSWORD.into(), | ||
| ..Default::default() | ||
| }); | ||
| let res = wifi_interface.set_configuration(&client_config); | ||
| println!("wifi_set_configuration returned {:?}", res); | ||
|
|
||
| println!("{:?}", wifi_interface.get_capabilities()); | ||
| println!("wifi_connect {:?}", wifi_interface.connect()); | ||
|
|
||
| // wait to get connected | ||
| println!("Wait to get connected"); | ||
| loop { | ||
| let res = wifi_interface.is_connected(); | ||
| match res { | ||
| Ok(connected) => { | ||
| if connected { | ||
| break; | ||
| } | ||
| } | ||
| Err(err) => { | ||
| println!("{:?}", err); | ||
| loop {} | ||
| } | ||
| } | ||
| } | ||
| println!("{:?}", wifi_interface.is_connected()); | ||
|
|
||
| println!("Setting static IP {}", STATIC_IP); | ||
| let mut network = Network::new(wifi_interface, current_millis); | ||
| network | ||
| .set_iface_configuration(&embedded_svc::ipv4::Configuration::Client( | ||
| embedded_svc::ipv4::ClientConfiguration::Fixed(embedded_svc::ipv4::ClientSettings { | ||
| ip: embedded_svc::ipv4::Ipv4Addr::from(parse_ip(STATIC_IP)), | ||
| subnet: embedded_svc::ipv4::Subnet { | ||
| gateway: embedded_svc::ipv4::Ipv4Addr::from(parse_ip(GATEWAY_IP)), | ||
| mask: embedded_svc::ipv4::Mask(24), | ||
| }, | ||
| dns: None, | ||
| secondary_dns: None, | ||
| }), | ||
| )) | ||
| .unwrap(); | ||
|
|
||
| println!( | ||
| "Start busy loop on main. Point your browser to http://{}:8080/", | ||
| STATIC_IP | ||
| ); | ||
|
|
||
| let mut rx_buffer = [0u8; 1536]; | ||
| let mut tx_buffer = [0u8; 1536]; | ||
| let mut socket = network.get_socket(&mut rx_buffer, &mut tx_buffer); | ||
|
|
||
| socket.listen(8080).unwrap(); | ||
|
|
||
| loop { | ||
| socket.work(); | ||
|
|
||
| if !socket.is_open() { | ||
| socket.listen(8080).unwrap(); | ||
| } | ||
|
|
||
| if socket.is_connected() { | ||
| println!("Connected"); | ||
|
|
||
| let mut time_out = false; | ||
| let wait_end = current_millis() + 2 * 1000; | ||
| let mut buffer = [0u8; 1024]; | ||
| let mut pos = 0; | ||
| loop { | ||
| if let Ok(len) = socket.read(&mut buffer[pos..]) { | ||
| let to_print = | ||
| unsafe { core::str::from_utf8_unchecked(&buffer[..(pos + len)]) }; | ||
|
|
||
| if to_print.contains("\r\n\r\n") { | ||
| print!("{}", to_print); | ||
| println!(); | ||
| break; | ||
| } | ||
|
|
||
| pos += len; | ||
| } else { | ||
| break; | ||
| } | ||
|
|
||
| if current_millis() > wait_end { | ||
| println!("Timeout"); | ||
| time_out = true; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| if !time_out { | ||
| socket.write_all( | ||
| b"HTTP/1.0 200 OK\r\n\r\n\ | ||
| <html>\ | ||
| <body>\ | ||
| <h1>Hello Rust! Hello esp-wifi!</h1>\ | ||
| <img src=\"https://rustacean.net/more-crabby-things/dancing-ferris.gif\"/> | ||
| </body>\ | ||
| </html>\r\n\ | ||
| " | ||
| ).unwrap(); | ||
|
|
||
| socket.flush().unwrap(); | ||
| } | ||
|
|
||
| socket.close(); | ||
|
|
||
| println!("Done\n"); | ||
| println!(); | ||
| } | ||
|
|
||
| let wait_end = current_millis() + 5 * 1000; | ||
| while current_millis() < wait_end { | ||
| socket.work(); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fn parse_ip(ip: &str) -> [u8; 4] { | ||
| let mut result = [0u8; 4]; | ||
| for (idx, octet) in ip.split(".").into_iter().enumerate() { | ||
| result[idx] = u8::from_str_radix(octet, 10).unwrap(); | ||
| } | ||
| result | ||
| } | ||
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Nice touch :D