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3 Commits

Author SHA1 Message Date
occheung 736d63dcad lib: derive debug for error for unwrapping 2021-01-18 14:13:54 +08:00
occheung d7ba11611b lib: reduce stack usage 2021-01-18 14:13:39 +08:00
occheung 61182a8ef0 spi: add CS delay to accomodate booster 2021-01-18 14:13:05 +08:00
2 changed files with 6 additions and 1 deletions

View File

@ -16,7 +16,7 @@ pub mod tx;
pub mod smoltcp_phy;
/// Max raw frame array size
pub const RAW_FRAME_LENGTH_MAX: usize = 0x1000;
pub const RAW_FRAME_LENGTH_MAX: usize = 1518;
pub trait EthController {
fn init_dev(&mut self, delay: &mut impl DelayUs<u16>) -> Result<(), EthControllerError>;
@ -29,6 +29,7 @@ pub trait EthController {
}
/// TODO: Improve these error types
#[derive(Debug)]
pub enum EthControllerError {
SpiPortError,
GeneralError,

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@ -131,13 +131,17 @@ impl <SPI: Transfer<u8>,
match self.spi.transfer(&mut buf) {
Ok(_) => {
// Disable chip select
cortex_m::asm::delay(10_u32);
self.nss.set_high();
cortex_m::asm::delay(4_u32);
Ok(buf[2])
},
// TODO: Maybe too naive?
Err(_) => {
// Disable chip select
cortex_m::asm::delay(10_u32);
self.nss.set_high();
cortex_m::asm::delay(4_u32);
Err(SpiPortError::TransferError)
}
}