Initial commit
commit
52da592ec1
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[target.thumbv7m-none-eabi]
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# uncomment ONE of these three option to make `cargo run` start a GDB session
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# which option to pick depends on your system
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# runner = "arm-none-eabi-gdb -q -x openocd.gdb"
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runner = "gdb-multiarch"
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# runner = "gdb -q -x openocd.gdb"
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rustflags = [
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# LLD (shipped with the Rust toolchain) is used as the default linker
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"-C", "link-arg=-Tlink.x",
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# if you run into problems with LLD switch to the GNU linker by commenting out
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# this line
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# "-C", "linker=arm-none-eabi-ld",
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# if you need to link to pre-compiled C libraries provided by a C toolchain
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# use GCC as the linker by commenting out both lines above and then
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# uncommenting the three lines below
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# "-C", "linker=arm-none-eabi-gcc",
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# "-C", "link-arg=-Wl,-Tlink.x",
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# "-C", "link-arg=-nostartfiles",
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]
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[build]
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target = "thumbv7m-none-eabi" # Cortex-M3
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target remote :3333
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monitor arm semihosting enable
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load
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step
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/target
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[package]
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name = "blue_pill_base"
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version = "0.1.0"
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authors = ["Levi Pearson <levipearson@gmail.com>"]
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description = "Base binary crate for STM32F103 Blue Pill boards"
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categories = ["embedded", "no-std"]
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edition = "2018"
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[dependencies]
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cortex-m = "0.6.2"
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cortex-m-rt = "0.6.12"
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#cortex-m-semihosting = "0.3.5"
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# alternate panic impls, choose only one!
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panic-halt = "0.2.0"
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#panic-semihosting = "0.5.3" # requires cortex-m-semihosting
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#panic-itm = "0.4.1"
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#panic-abort = "0.3.2"
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#panic-ramdump = "0.1.1"
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#panic-persist = "0.2.1"
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embedded-hal = "0.2.3"
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nb = "0.1.2"
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[dependencies.stm32f1]
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version = "0.10.0"
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features = ["stm32f103", "rt"]
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[dependencies.stm32f1xx-hal]
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version = "0.5.3"
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features = ["rt", "stm32f103", "medium"]
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[[bin]]
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name = "blue_pill_base"
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test = false
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bench = false
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[profile.release]
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lto = true
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codegen-units = 1
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debug = true
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@ -0,0 +1,32 @@
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MEMORY
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{
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/* NOTE 1 K = 1 KiBi = 1024 bytes */
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FLASH : ORIGIN = 0x08000000, LENGTH = 64K
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RAM : ORIGIN = 0x20000000, LENGTH = 20K
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}
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/* This is where the call stack will be allocated. */
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/* The stack is of the full descending type. */
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/* You may want to use this variable to locate the call stack and static
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variables in different memory regions. Below is shown the default value */
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/* _stack_start = ORIGIN(RAM) + LENGTH(RAM); */
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/* You can use this symbol to customize the location of the .text section */
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/* If omitted the .text section will be placed right after the .vector_table
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section */
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/* This is required only on microcontrollers that store some configuration right
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after the vector table */
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/* _stext = ORIGIN(FLASH) + 0x400; */
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/* Example of putting non-initialized variables into custom RAM locations. */
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/* This assumes you have defined a region RAM2 above, and in the Rust
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sources added the attribute `#[link_section = ".ram2bss"]` to the data
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you want to place there. */
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/* Note that the section will not be zero-initialized by the runtime! */
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/* SECTIONS {
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.ram2bss (NOLOAD) : ALIGN(4) {
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*(.ram2bss);
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. = ALIGN(4);
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} > RAM2
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} INSERT AFTER .bss;
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*/
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@ -0,0 +1,12 @@
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# Sample OpenOCD configuration for the blue pill board
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# Depending on the hardware revision you got you'll have to pick ONE of these
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# interfaces. At any time only one interface should be commented out.
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# Revision C (newer revision)
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# source [find interface/stlink-v2-1.cfg]
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# Revision A and B (older revisions)
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source [find interface/stlink-v2.cfg]
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source [find target/stm32f1x.cfg]
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//! Blinks an LED
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//!
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//! This assumes that a LED is connected to pc13 as is the case on the blue pill board.
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//!
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//! Note: Without additional hardware, PC13 should not be used to drive an LED, see page 5.1.2 of
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//! the reference manual for an explanation. This is not an issue on the blue pill.
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#![deny(unsafe_code)]
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#![no_std]
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#![no_main]
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use panic_halt as _;
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use nb::block;
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use stm32f1xx_hal::{
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prelude::*,
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pac,
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timer::Timer,
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};
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use cortex_m_rt::entry;
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use embedded_hal::digital::v2::OutputPin;
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#[entry]
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fn main() -> ! {
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// Get access to the core peripherals from the cortex-m crate
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let cp = cortex_m::Peripherals::take().unwrap();
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// Get access to the device specific peripherals from the peripheral access crate
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let dp = pac::Peripherals::take().unwrap();
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// Take ownership over the raw flash and rcc devices and convert them into the corresponding
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// HAL structs
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let mut flash = dp.FLASH.constrain();
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let mut rcc = dp.RCC.constrain();
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// Freeze the configuration of all the clocks in the system and store the frozen frequencies in
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// `clocks`
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let clocks = rcc.cfgr.freeze(&mut flash.acr);
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// Acquire the GPIOC peripheral
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let mut gpioc = dp.GPIOC.split(&mut rcc.apb2);
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// Configure gpio C pin 13 as a push-pull output. The `crh` register is passed to the function
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// in order to configure the port. For pins 0-7, crl should be passed instead.
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let mut led = gpioc.pc13.into_push_pull_output(&mut gpioc.crh);
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// Configure the syst timer to trigger an update every second
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let mut timer = Timer::syst(cp.SYST, &clocks).start_count_down(1.hz());
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// Wait for the timer to trigger an update and change the state of the LED
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loop {
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block!(timer.wait()).unwrap();
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led.set_high().unwrap();
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block!(timer.wait()).unwrap();
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led.set_low().unwrap();
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}
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}
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Loading…
Reference in New Issue