forked from M-Labs/zynq-rs
63 lines
1.3 KiB
Rust
63 lines
1.3 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 new(src: u8) -> Self;
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}
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macro_rules! u8_register {
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($name: ident, $doc: tt, $inst_code: expr) => {
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#[derive(Clone)]
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#[doc=$doc]
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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 new(src: u8) -> Self {
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$name {
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inner: src,
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}
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}
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}
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impl $name {
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#[allow(unused)]
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pub fn is_zeroed(&self) -> bool {
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self.inner == 0
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}
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}
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};
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}
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u8_register!(CR, "Configuration Register", 0x35);
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u8_register!(SR1, "Status Register-1", 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, "Status Register-2", 0x07);
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u8_register!(BA, "Bank Address Register", 0xB9);
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