Robin Mueller
acb8b67ae7
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Rust/va108xx-rs/pipeline/pr-main This commit looks good
- Add embassy example - improve timer API - restructure examples - restructure and improve SPI - Add REB1 M95M01 NVM module
65 lines
2.0 KiB
Rust
65 lines
2.0 KiB
Rust
//! Example application which interfaces with the boot EEPROM.
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#![no_main]
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#![no_std]
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use cortex_m_rt::entry;
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use embedded_hal::delay::DelayNs;
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use panic_rtt_target as _;
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use rtt_target::{rprintln, rtt_init_print};
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use va108xx_hal::{pac, pwm::CountDownTimer, time::Hertz};
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use vorago_reb1::m95m01::M95M01;
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const CLOCK_FREQ: Hertz = Hertz::from_raw(50_000_000);
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#[entry]
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fn main() -> ! {
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rtt_init_print!();
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rprintln!("-- VA108XX REB1 NVM example --");
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let mut dp = pac::Peripherals::take().unwrap();
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let mut timer = CountDownTimer::new(&mut dp.sysconfig, CLOCK_FREQ, dp.tim0);
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let mut nvm = M95M01::new(&mut dp.sysconfig, CLOCK_FREQ, dp.spic);
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let status_reg = nvm.read_status_reg().expect("reading status reg failed");
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if status_reg.zero_segment() == 0b111 {
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panic!("status register unexpected values");
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}
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let mut orig_content: [u8; 16] = [0; 16];
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let mut read_buf: [u8; 16] = [0; 16];
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let write_buf: [u8; 16] = [0; 16];
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for (idx, val) in read_buf.iter_mut().enumerate() {
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*val = idx as u8;
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}
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nvm.read(0x4000, &mut orig_content).unwrap();
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// One byte write and read.
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nvm.write(0x4000, &write_buf[0..1]).unwrap();
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nvm.read(0x4000, &mut read_buf[0..1]).unwrap();
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assert_eq!(write_buf[0], read_buf[0]);
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read_buf.fill(0);
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// Four bytes write and read.
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nvm.write(0x4000, &write_buf[0..4]).unwrap();
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nvm.read(0x4000, &mut read_buf[0..4]).unwrap();
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assert_eq!(&read_buf[0..4], &write_buf[0..4]);
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read_buf.fill(0);
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// Full sixteen bytes
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nvm.write(0x4000, &write_buf).unwrap();
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nvm.read(0x4000, &mut read_buf).unwrap();
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assert_eq!(&read_buf, &write_buf);
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read_buf.fill(0);
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// 3 bytes
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nvm.write(0x4000, &write_buf[0..3]).unwrap();
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nvm.read(0x4000, &mut read_buf[0..3]).unwrap();
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assert_eq!(&read_buf[0..3], &write_buf[0..3]);
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// Write back original content.
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nvm.write(0x4000, &orig_content).unwrap();
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loop {
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timer.delay_ms(500);
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}
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}
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