wip: enc28j60 driver.

embassy-net-enc28j60/src/bank2.rs

@@ -0,0 +1,86 @@
+#[allow(dead_code)]
+#[derive(Clone, Copy)]
+pub enum Register {
+    MACON1 = 0x00,
+    MACON3 = 0x02,
+    MACON4 = 0x03,
+    MABBIPG = 0x04,
+    MAIPGL = 0x06,
+    MAIPGH = 0x07,
+    MACLCON1 = 0x08,
+    MACLCON2 = 0x09,
+    MAMXFLL = 0x0a,
+    MAMXFLH = 0x0b,
+    MICMD = 0x12,
+    MIREGADR = 0x14,
+    MIWRL = 0x16,
+    MIWRH = 0x17,
+    MIRDL = 0x18,
+    MIRDH = 0x19,
+}
+
+impl Register {
+    pub(crate) fn addr(&self) -> u8 {
+        *self as u8
+    }
+
+    pub(crate) fn is_eth_register(&self) -> bool {
+        match *self {
+            Register::MACON1 => false,
+            Register::MACON3 => false,
+            Register::MACON4 => false,
+            Register::MABBIPG => false,
+            Register::MAIPGL => false,
+            Register::MAIPGH => false,
+            Register::MACLCON1 => false,
+            Register::MACLCON2 => false,
+            Register::MAMXFLL => false,
+            Register::MAMXFLH => false,
+            Register::MICMD => false,
+            Register::MIREGADR => false,
+            Register::MIWRL => false,
+            Register::MIWRH => false,
+            Register::MIRDL => false,
+            Register::MIRDH => false,
+        }
+    }
+}
+
+impl Into<super::Register> for Register {
+    fn into(self) -> super::Register {
+        super::Register::Bank2(self)
+    }
+}
+
+register!(MACON1, 0, u8, {
+    #[doc = "Enable packets to be received by the MAC"]
+    marxen @ 0,
+    #[doc = "Control frames will be discarded after being processed by the MAC"]
+    passall @ 1,
+    #[doc = "Inhibit transmissions when pause control frames are received"]
+    rxpaus @ 2,
+    #[doc = "Allow the MAC to transmit pause control frames"]
+    txpaus @ 3,
+});
+
+register!(MACON3, 0, u8, {
+    #[doc = "MAC will operate in Full-Duplex mode"]
+    fuldpx @ 0,
+    #[doc = "The type/length field of transmitted and received frames will be checked"]
+    frmlnen @ 1,
+    #[doc = "Frames bigger than MAMXFL will be aborted when transmitted or received"]
+    hfrmen @ 2,
+    #[doc = "No proprietary header is present"]
+    phdren @ 3,
+    #[doc = "MAC will append a valid CRC to all frames transmitted regardless of PADCFG bit"]
+    txcrcen @ 4,
+    #[doc = "All short frames will be zero-padded to 64 bytes and a valid CRC will then be appended"]
+    padcfg @ 5..7,
+});
+
+register!(MICMD, 0, u8, {
+    #[doc = "MII Read Enable bit"]
+    miird @ 0,
+    #[doc = "MII Scan Enable bit"]
+    miiscan @ 1,
+});