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#![no_main]
#![no_std]
extern crate cortex_m;
extern crate cortex_m_rt;
extern crate embedded_hal;
extern crate panic_halt;
extern crate stm32f0xx_hal as hal;
extern crate ina260;
extern crate numtoa;
use hal::i2c::*;
use hal::prelude::*;
use hal::serial::*;
use hal::stm32;
use numtoa::NumToA;
use ina260::*;
use core::fmt::Write;
use cortex_m_rt::entry;
#[entry]
fn main() -> ! {
if let Some(p) = stm32::Peripherals::take() {
let gpiof = p.GPIOF.split();
let gpioa = p.GPIOA.split();
let mut clocks = p.RCC.constrain().cfgr.freeze();
/* Initialise serial pins */
let tx = gpioa.pa9.into_alternate_af1();
let rx = gpioa.pa10.into_alternate_af1();
/* Setup serial port */
let serial = Serial::usart1(p.USART1, (tx, rx), 115_200.bps(), clocks);
let (mut tx, mut _rx) = serial.split();
/* Initialise I2C pins */
let scl = gpiof
.pf1
.into_alternate_af1()
.internal_pull_up(true)
.set_open_drain();
let sda = gpiof
.pf0
.into_alternate_af1()
.internal_pull_up(true)
.set_open_drain();
/* Setup I2C1 */
let mut i2c = I2c::i2c1(p.I2C1, (scl, sda), 1.khz());
let mut ina260 = INA260::new(i2c, 0x40).unwrap();
/* Endless loop */
loop {
let mut buffer = [0u8; 10];
/* Read and print voltage */
let voltage = ina260.voltage().unwrap();
let _ = tx.write_str(unsafe {
core::str::from_utf8_unchecked(voltage.numtoa(10, &mut buffer))
});
let _ = tx.write_str("uV\n\r");
/* Read and print current */
let current = ina260.current().unwrap();
let _ = tx.write_str(unsafe {
core::str::from_utf8_unchecked(current.numtoa(10, &mut buffer))
});
let _ = tx.write_str("uA\n\r");
}
}
loop {
continue;
}
}