use super::super::interface;
use super::super::{Error, Mcp794xx};
impl<DI, E, IC> Mcp794xx<DI, IC>
where
DI: interface::WriteData<Error = Error<E>> + interface::ReadData<Error = Error<E>>,
{
pub fn read_sram_byte(&mut self, address: u8) -> Result<u8, Error<E>> {
if !Self::address_valid(address) {
return Err(Error::InvalidInputData);
}
self.iface.read_register(address)
}
pub fn write_sram_byte(&mut self, address: u8, data: u8) -> Result<(), Error<E>> {
if !Self::address_valid(address) {
return Err(Error::InvalidInputData);
}
self.iface.write_register(address, data)
}
pub fn read_sram_data(&mut self, address: u8, data: &mut [u8]) -> Result<(), Error<E>> {
if !Self::address_valid(address) || data.len() > 64 || (data.len() as u8 + address) > 0x60 {
return Err(Error::InvalidInputData);
}
self.iface.read_data(address, data)
}
pub fn write_sram_data(&mut self, address: u8, data: &[u8]) -> Result<(), Error<E>> {
if !Self::address_valid(address) || data.len() > 64 || (data.len() as u8 + address) > 0x60 {
return Err(Error::InvalidInputData);
}
let mut payload = [0; 65]; payload[0] = address;
payload[1..=data.len()].copy_from_slice(data);
self.iface.write_data(&payload[..=data.len()])
}
#[allow(clippy::manual_range_contains)]
fn address_valid(address: u8) -> bool {
address >= 0x20 && address <= 0x5F
}
}
impl<DI, E, IC> Mcp794xx<DI, IC>
where
DI: interface::ReadCurrent<Error = Error<E>>,
{
pub fn read_sram_current_byte(&mut self) -> Result<u8, Error<E>> {
self.iface.read()
}
}