125 lines
3.9 KiB
Rust
125 lines
3.9 KiB
Rust
#![no_std]
|
|
#![no_main]
|
|
|
|
extern crate panic_itm;
|
|
use cortex_m::{iprintln, iprint};
|
|
|
|
use cortex_m_rt::entry;
|
|
use embedded_hal::digital::v2::OutputPin;
|
|
use embedded_hal::blocking::delay::DelayMs;
|
|
use stm32f4xx_hal::{
|
|
rcc::RccExt,
|
|
gpio::GpioExt,
|
|
time::U32Ext,
|
|
stm32::{CorePeripherals, Peripherals},
|
|
delay::Delay,
|
|
spi::Spi,
|
|
time::Hertz
|
|
};
|
|
use enc424j600;
|
|
use enc424j600::EthController;
|
|
|
|
#[entry]
|
|
fn main() -> ! {
|
|
let mut cp = CorePeripherals::take().unwrap();
|
|
cp.SCB.enable_icache();
|
|
cp.SCB.enable_dcache(&mut cp.CPUID);
|
|
|
|
let dp = Peripherals::take().unwrap();
|
|
let clocks = dp.RCC.constrain()
|
|
.cfgr
|
|
.sysclk(168.mhz())
|
|
.hclk(168.mhz())
|
|
.pclk1(32.mhz())
|
|
.pclk2(64.mhz())
|
|
.freeze();
|
|
let mut delay = Delay::new(cp.SYST, clocks);
|
|
|
|
// Init ITM & use Stimulus Port 0
|
|
let mut itm = cp.ITM;
|
|
let stim0 = &mut itm.stim[0];
|
|
|
|
iprintln!(stim0,
|
|
"Eth TX Pinging on STM32-F407 via NIC100/ENC424J600");
|
|
|
|
// NIC100 / ENC424J600 Set-up
|
|
let spi1 = dp.SPI1;
|
|
let gpioa = dp.GPIOA.split();
|
|
// Mapping: see Table 9, STM32F407ZG Manual
|
|
let spi1_sck = gpioa.pa5.into_alternate_af5();
|
|
let spi1_miso = gpioa.pa6.into_alternate_af5();
|
|
let spi1_mosi = gpioa.pa7.into_alternate_af5();
|
|
let spi1_nss = gpioa.pa4.into_push_pull_output();
|
|
// Map SPISEL: see Table 1, NIC100 Manual
|
|
let mut spisel = gpioa.pa1.into_push_pull_output();
|
|
spisel.set_high().unwrap();
|
|
delay.delay_ms(1_u32);
|
|
spisel.set_low().unwrap();
|
|
// Create SPI1 for HAL
|
|
let spi_eth_port = Spi::spi1(
|
|
spi1, (spi1_sck, spi1_miso, spi1_mosi),
|
|
enc424j600::spi::interfaces::SPI_MODE,
|
|
Hertz(enc424j600::spi::interfaces::SPI_CLOCK_FREQ),
|
|
clocks);
|
|
let mut spi_eth = enc424j600::SpiEth::new(spi_eth_port, spi1_nss);
|
|
// Init
|
|
match spi_eth.init_dev(&mut delay) {
|
|
Ok(_) => {
|
|
iprintln!(stim0, "Ethernet initialized")
|
|
}
|
|
Err(_) => {
|
|
panic!("Ethernet initialization failed!")
|
|
}
|
|
}
|
|
|
|
// Read MAC
|
|
let mut eth_mac_addr: [u8; 6] = [0; 6];
|
|
spi_eth.read_from_mac(&mut eth_mac_addr);
|
|
for i in 0..6 {
|
|
let byte = eth_mac_addr[i];
|
|
match i {
|
|
0 => iprint!(stim0, "MAC Address = {:02x}-", byte),
|
|
1..=4 => iprint!(stim0, "{:02x}-", byte),
|
|
5 => iprint!(stim0, "{:02x}\n", byte),
|
|
_ => ()
|
|
};
|
|
}
|
|
|
|
// Init Rx/Tx buffers
|
|
spi_eth.init_rxbuf();
|
|
spi_eth.init_txbuf();
|
|
// Testing Eth TX
|
|
let eth_tx_dat: [u8; 64] = [
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x08, 0x60,
|
|
0x6e, 0x44, 0x42, 0x95, 0x08, 0x06, 0x00, 0x01,
|
|
0x08, 0x00, 0x06, 0x04, 0x00, 0x01, 0x08, 0x60,
|
|
0x6e, 0x44, 0x42, 0x95, 0xc0, 0xa8, 0x01, 0x64,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8,
|
|
0x01, 0xe7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x69, 0xd0, 0x85, 0x9f
|
|
];
|
|
loop {
|
|
let mut eth_tx_packet = enc424j600::tx::TxPacket::new();
|
|
eth_tx_packet.update_frame(ð_tx_dat, 64);
|
|
iprint!(stim0,
|
|
"Sending packet (len={:}): ", eth_tx_packet.get_frame_length());
|
|
for i in 0..20 {
|
|
let byte = eth_tx_packet.get_frame_byte(i);
|
|
match i {
|
|
0 => iprint!(stim0, "dest={:02x}-", byte),
|
|
6 => iprint!(stim0, "src={:02x}-", byte),
|
|
12 => iprint!(stim0, "data={:02x}", byte),
|
|
1..=4 | 7..=10 => iprint!(stim0, "{:02x}-", byte),
|
|
13..=14 | 16..=18 => iprint!(stim0, "{:02x}", byte),
|
|
5 | 11 | 15 => iprint!(stim0, "{:02x} ", byte),
|
|
19 => iprint!(stim0, "{:02x} ...\n", byte),
|
|
_ => ()
|
|
};
|
|
}
|
|
spi_eth.send_raw_packet(ð_tx_packet);
|
|
iprintln!(stim0, "Packet sent");
|
|
delay.delay_ms(100_u32);
|
|
}
|
|
}
|