59 lines
1.2 KiB
Rust
59 lines
1.2 KiB
Rust
use bit_field::BitField;
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pub trait SpiFlashRegister {
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fn inst_code() -> u8;
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fn transfer_len() -> usize;
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fn new<I: Iterator<Item=u8>>(src: I) -> Self;
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}
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macro_rules! u8_register {
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($name: ident, $inst_code: expr) => {
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#[derive(Clone)]
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pub struct $name {
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pub inner: u8,
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}
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impl SpiFlashRegister for $name {
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fn inst_code() -> u8 {
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$inst_code
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}
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fn transfer_len() -> usize {
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2
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}
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fn new<I: Iterator<Item=u8>>(mut src: I) -> Self {
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$name {
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inner: src.next().unwrap(),
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}
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}
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}
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};
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}
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u8_register!(CR, 0x35);
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u8_register!(SR1, 0x05);
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impl SR1 {
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/// Write In Progress
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pub fn wip(&self) -> bool {
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self.inner.get_bit(0)
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}
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/// Write Enable Latch
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pub fn wel(&self) -> bool {
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self.inner.get_bit(1)
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}
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/// Erase Error Occurred
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pub fn e_err(&self) -> bool {
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self.inner.get_bit(5)
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}
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/// Programming Error Occurred
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pub fn p_err(&self) -> bool {
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self.inner.get_bit(6)
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}
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}
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u8_register!(SR2, 0x07);
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