forked from renet/ENC424J600
Add tx_stm32f407 example
This commit is contained in:
parent
82f4bef09f
commit
6b9f58a98f
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@ -0,0 +1,12 @@
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[target.thumbv7em-none-eabihf]
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runner = "gdb -q -x openocd.gdb"
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rustflags = [
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"-C", "link-arg=-Tlink.x",
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]
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[build]
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# Pick ONE of these compilation targets
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# target = "thumbv6m-none-eabi" # Cortex-M0 and Cortex-M0+
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# target = "thumbv7m-none-eabi" # Cortex-M3
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# target = "thumbv7em-none-eabi" # Cortex-M4 and Cortex-M7 (no FPU)
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target = "thumbv7em-none-eabihf" # Cortex-M4F and Cortex-M7F (with FPU)
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@ -1,5 +1,11 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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[[package]]
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name = "aligned"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d39da9b88ae1a81c03c9c082b8db83f1d0e93914126041962af61034ab44c4a5"
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[[package]]
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name = "aligned"
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version = "0.3.2"
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@ -56,13 +62,25 @@ version = "0.1.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
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[[package]]
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name = "cortex-m"
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version = "0.5.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3c0b159a1e8306949579de3698c841dba58058197b65c60807194e4fa1e7a554"
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dependencies = [
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"aligned 0.2.0",
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"bare-metal",
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"cortex-m 0.6.2",
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"volatile-register",
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]
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[[package]]
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name = "cortex-m"
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version = "0.6.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2954942fbbdd49996704e6f048ce57567c3e1a4e2dc59b41ae9fde06a01fc763"
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dependencies = [
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"aligned",
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"aligned 0.3.2",
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"bare-metal",
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"volatile-register",
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]
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@ -102,8 +120,12 @@ dependencies = [
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name = "enc424j600"
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version = "0.1.0"
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dependencies = [
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"aligned",
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"aligned 0.3.2",
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"cortex-m 0.5.10",
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"cortex-m-rt",
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"embedded-hal",
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"log",
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"panic-itm",
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"smoltcp",
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"stm32f4xx-hal",
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"volatile-register",
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@ -148,6 +170,15 @@ version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b1411551beb3c11dedfb0a90a0fa256b47d28b9ec2cdff34c25a2fa59e45dbdc"
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[[package]]
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name = "panic-itm"
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version = "0.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "98830d17a95587207e41edaa3009b143d326ce134b0e3538ac98246a67d66cc3"
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dependencies = [
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"cortex-m 0.6.2",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.18"
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@ -227,7 +258,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "11460b4de3a84f072e2cf6e76306c64d27f405a0e83bace0a726f555ddf4bf33"
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dependencies = [
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"bare-metal",
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"cortex-m",
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"cortex-m 0.6.2",
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"vcell",
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]
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@ -239,7 +270,7 @@ checksum = "b3a2f044469d1e3aff2cd02bee8b2724f3d5d91f3175e5d1ec99770320d16192"
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dependencies = [
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"bare-metal",
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"cast",
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"cortex-m",
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"cortex-m 0.6.2",
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"cortex-m-rt",
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"embedded-hal",
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"nb",
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10
Cargo.toml
10
Cargo.toml
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@ -20,6 +20,16 @@ smoltcp-phy = ["smoltcp"]
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stm32f407 = ["stm32f4xx-hal/stm32f407"]
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default = []
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[dev-dependencies]
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cortex-m = "0.5"
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cortex-m-rt = "0.6"
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embedded-hal = "0.2"
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panic-itm = "0.4"
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[[example]]
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name = "tx_stm32f407"
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required-features = ["stm32f407"]
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[profile.release]
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codegen-units = 1
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incremental = false
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39
README.md
39
README.md
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@ -1 +1,40 @@
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# ENC424J600 Driver
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## Examples
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### Endless Pinging - `tx_stm32f407`
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This program demonstrates the Ethernet TX capability on an STM32F407 board connected to an ENC424J600 module via SPI. Once loaded and initialised, a specific ping packet is sent (broadcasted) every 100ms. Such a packet has the following properties:
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* Destination MAC Address: ff-ff-ff-ff-ff-ff
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* Source MAC Address: 08-60-6e-44-42-95
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* Destination IP Address: 192.168.1.231
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* Source IP Address: 192.168.1.100
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* Frame Length in Bytes: 64
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Note that this program uses ITM for logging output.
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#### How-to
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1. Prepare the Rust and Cargo environment for building and running the program on STM32F4xx Cortex-M platforms.
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2. Install [`itm`](https://docs.rs/itm/) on Cargo:
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```
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cargo install itm
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```
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If necessary, add your installation location (`~/.cargo/bin` by default) to `$PATH`.
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3. Connect your STM32F407 device to the computer. Without changing any code, you may use an STLink V2 debugger.
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4. Run OpenOCD with the appropriate configuration files (e.g. `interface/stlink-v2.cfg`, `target/stm32f4x.cfg`).
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5. With OpenOCD running, build and run this program:
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```
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cargo run --release --example=tx_stm32f407 --features=stm32f407
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```
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Use appropriate GDB commands such as `c` for continuing.
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6. On a separate console window, monitor and observe the ITM output, which is located at the same directory as you started OpenOCD:
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```
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itmdump -f itm.log -F
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```
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#![no_std]
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#![no_main]
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extern crate panic_itm;
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use cortex_m::{iprint, iprintln};
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use cortex_m_rt::entry;
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use embedded_hal::watchdog::{WatchdogEnable, Watchdog};
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use embedded_hal::digital::v2::OutputPin;
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use embedded_hal::blocking::delay::DelayMs;
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use stm32f4xx_hal::{
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rcc::RccExt,
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gpio::GpioExt,
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watchdog::IndependentWatchdog,
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time::U32Ext,
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stm32::{CorePeripherals, Peripherals},
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delay::Delay,
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spi::Spi
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};
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use enc424j600;
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use enc424j600::EthController;
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#[entry]
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fn main() -> ! {
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let mut cp = CorePeripherals::take().unwrap();
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cp.SCB.enable_icache();
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cp.SCB.enable_dcache(&mut cp.CPUID);
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let dp = Peripherals::take().unwrap();
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let clocks = dp.RCC.constrain()
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.cfgr
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.sysclk(168.mhz())
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.hclk(168.mhz())
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.pclk1(32.mhz())
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.pclk2(64.mhz())
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.freeze();
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let mut delay = Delay::new(cp.SYST, clocks);
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let mut itm = cp.ITM;
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let stim0 = &mut itm.stim[0];
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iprintln!(stim0,
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"Eth TX Pinging on STM32-H407 via NIC100/ENC424J600");
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// NIC100 / ENC424J600 Set-up
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let spi1 = dp.SPI1;
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let gpioa = dp.GPIOA.split();
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// Mapping: see Table 9, STM32F407ZG Manual
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let spi1_sck = gpioa.pa5.into_alternate_af5();
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let spi1_miso = gpioa.pa6.into_alternate_af5();
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let spi1_mosi = gpioa.pa7.into_alternate_af5();
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let spi1_nss = gpioa.pa4.into_push_pull_output();
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// Map SPISEL: see Table 1, NIC100 Manual
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let mut spisel = gpioa.pa1.into_push_pull_output();
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spisel.set_high().unwrap();
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delay.delay_ms(1_u32);
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spisel.set_low().unwrap();
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// Create SPI1 for HAL
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let spi_eth_port = Spi::spi1(
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spi1, (spi1_sck, spi1_miso, spi1_mosi),
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enc424j600::spi::SPI_MODE, enc424j600::spi::SPI_CLOCK.into(),
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clocks);
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let mut spi_eth = enc424j600::SpiEth::new(spi_eth_port, spi1_nss);
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// Init
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match spi_eth.init_dev() {
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Ok(_) => {
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iprintln!(stim0, "Ethernet initialised.")
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}
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Err(_) => {
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panic!("Ethernet initialisation Failed!")
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}
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}
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delay.delay_ms(1_u32);
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iprintln!(stim0,
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"- Delayed 1000us (>=256us), PHY regs are now available");
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// Read MAC
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let mut eth_mac_addr: [u8; 6] = [0; 6];
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spi_eth.read_from_mac(&mut eth_mac_addr);
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iprintln!(stim0,
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"MAC Address = {:02x}-{:02x}-{:02x}-{:02x}-{:02x}-{:02x}",
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eth_mac_addr[5], eth_mac_addr[4],
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eth_mac_addr[3], eth_mac_addr[2],
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eth_mac_addr[1], eth_mac_addr[0]);
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// Set to promiscuous mode
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spi_eth.set_promiscuous();
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iprintln!(stim0,
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"Promiscuous Mode ON");
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// Init Rx/Tx buffers
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spi_eth.init_rxbuf();
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spi_eth.init_txbuf();
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// Testing Eth TX
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let eth_tx_dat: [u8; 64] = [
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x08, 0x60,
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0x6e, 0x44, 0x42, 0x95, 0x08, 0x06, 0x00, 0x01,
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0x08, 0x00, 0x06, 0x04, 0x00, 0x01, 0x08, 0x60,
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0x6e, 0x44, 0x42, 0x95, 0xc0, 0xa8, 0x01, 0x64,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8,
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0x01, 0xe7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x69, 0xd0, 0x85, 0x9f
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];
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loop {
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let mut eth_tx_packet = enc424j600::tx::TxPacket::new();
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eth_tx_packet.update_frame(ð_tx_dat, 64);
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iprintln!(stim0,
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"Sending packet (len={:}): \
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dest={:02x}-{:02x}-{:02x}-{:02x}-{:02x}-{:02x} \
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src={:02x}-{:02x}-{:02x}-{:02x}-{:02x}-{:02x} \
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data={:02x}{:02x}{:02x}{:02x} {:02x}{:02x}{:02x}{:02x} ...",
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eth_tx_packet.get_frame_length(),
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eth_tx_packet.get_frame_byte(0), eth_tx_packet.get_frame_byte(1), eth_tx_packet.get_frame_byte(2),
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eth_tx_packet.get_frame_byte(3), eth_tx_packet.get_frame_byte(4), eth_tx_packet.get_frame_byte(5),
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eth_tx_packet.get_frame_byte(6), eth_tx_packet.get_frame_byte(7), eth_tx_packet.get_frame_byte(8),
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eth_tx_packet.get_frame_byte(9), eth_tx_packet.get_frame_byte(10), eth_tx_packet.get_frame_byte(11),
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eth_tx_packet.get_frame_byte(12), eth_tx_packet.get_frame_byte(13),
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eth_tx_packet.get_frame_byte(14), eth_tx_packet.get_frame_byte(15),
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eth_tx_packet.get_frame_byte(16), eth_tx_packet.get_frame_byte(17),
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eth_tx_packet.get_frame_byte(18), eth_tx_packet.get_frame_byte(19)
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);
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spi_eth.send_raw_packet(eth_tx_packet);
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iprintln!(stim0,
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"Packet sent");
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delay.delay_ms(100_u32);
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}
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unreachable!()
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}
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@ -0,0 +1,10 @@
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 2048K
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 112K
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RAM2 (xrw) : ORIGIN = 0x2001C000, LENGTH = 16K
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RAM3 (xrw) : ORIGIN = 0x20020000, LENGTH = 64K
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CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 64K
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}
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_stack_start = ORIGIN(CCMRAM) + LENGTH(CCMRAM);
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target remote :3333
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# print demangled symbols by default
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set print asm-demangle on
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monitor tpiu config internal itm.log uart off 168000000
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monitor itm port 0 on
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load
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step
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