| #![no_std] |
| |
| use libtock::adc::AdcBuffer; |
| use libtock::println; |
| use libtock::result::TockResult; |
| use libtock::syscalls; |
| |
| #[libtock::main] |
| /// Reads a 128 byte sample into a buffer and prints the first value to the console. |
| async fn main() -> TockResult<()> { |
| let mut drivers = libtock::retrieve_drivers()?; |
| |
| let adc_driver = drivers.adc.init_driver()?; |
| drivers.console.create_console(); |
| |
| let mut adc_buffer = AdcBuffer::default(); |
| let mut temp_buffer = [0; libtock::adc::BUFFER_SIZE]; |
| |
| let adc_buffer = adc_driver.init_buffer(&mut adc_buffer)?; |
| |
| let mut callback = |_, _| { |
| adc_buffer.read_bytes(&mut temp_buffer[..]); |
| println!("First sample in buffer: {}", temp_buffer[0]); |
| }; |
| |
| let _subscription = adc_driver.subscribe(&mut callback)?; |
| |
| loop { |
| adc_driver.sample_continuous_buffered(0, 128)?; |
| unsafe { syscalls::raw::yieldk() }; |
| } |
| } |