colin/piezo-ddr-controller
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Read values from the ADC and pipe them to the terminal

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These values look realistic!
This commit is contained in:
Colin
2019-09-28 20:46:13 -07:00
parent b9ff4e8bb4
commit 1b2a368ae0
2 changed files with 8 additions and 3 deletions
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7
src/bsp.rs
View File

@@ -3,7 +3,7 @@
pub use f3::hal::stm32f30x::{adc1, gpioa, gpioc, rcc}; pub use f3::hal::stm32f30x::{adc1, gpioa, gpioc, rcc};
use f3::hal::stm32f30x::{self, ADC1, ADC1_2, GPIOA, GPIOD, GPIOE, RCC}; use f3::hal::stm32f30x::{self, ADC1, ADC1_2, ITM, GPIOA, GPIOD, GPIOE, RCC};
pub struct Peripherals { pub struct Peripherals {
pub gpioa: GPIOA, pub gpioa: GPIOA,
@@ -11,12 +11,14 @@ pub struct Peripherals {
pub gpioe: GPIOE, pub gpioe: GPIOE,
pub rcc: RCC, pub rcc: RCC,
pub adc1: ADC1, pub adc1: ADC1,
pub adc1_2: ADC1_2 pub adc1_2: ADC1_2,
pub itm: ITM,
} }
pub fn init() -> Peripherals { pub fn init() -> Peripherals {
// restrict access to the other peripherals // restrict access to the other peripherals
let per = stm32f30x::Peripherals::take().unwrap(); let per = stm32f30x::Peripherals::take().unwrap();
let core_per = stm32f30x::CorePeripherals::take().unwrap();
Peripherals { Peripherals {
gpioa: per.GPIOA, gpioa: per.GPIOA,
@@ -25,5 +27,6 @@ pub fn init() -> Peripherals {
rcc: per.RCC, rcc: per.RCC,
adc1: per.ADC1, adc1: per.ADC1,
adc1_2: per.ADC1_2, adc1_2: per.ADC1_2,
itm: core_per.ITM,
} }
} }

4
src/main.rs
View File

@@ -112,12 +112,13 @@ extern crate panic_itm; // panic handler
mod bsp; mod bsp;
use cortex_m::iprintln;
use cortex_m::asm::{bkpt, delay}; use cortex_m::asm::{bkpt, delay};
use cortex_m_rt::entry; use cortex_m_rt::entry;
#[entry] #[entry]
fn main() -> ! { fn main() -> ! {
let per = bsp::init(); let mut per = bsp::init();
// Configure clock gates // Configure clock gates
per.rcc.ahbenr.modify(|_, w| { per.rcc.ahbenr.modify(|_, w| {
@@ -235,6 +236,7 @@ fn main() -> ! {
per.gpioe.odr.modify(|_, w| { per.gpioe.odr.modify(|_, w| {
w.odr8().bit(push_button) w.odr8().bit(push_button)
}); });
iprintln!(&mut per.itm.stim[0], "ADC: {:x}", per.adc1.dr.read().bits());
} }
} }