rust/zynq7000-rs
11
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 18 Wiki Activity

this should do the job
ci / Check Documentation Build (push) Waiting to run
Details
ci / Check build (push) Has been cancelled
Details
ci / Check formatting (push) Has been cancelled
Details
ci / Check build (pull_request) Has been cancelled
Details
ci / Check formatting (pull_request) Has been cancelled
Details
ci / Check Documentation Build (pull_request) Has been cancelled
Details
ci / Clippy (pull_request) Has been cancelled
Details
ci / Clippy (push) Has been cancelled
Details

Browse Source
This commit is contained in:
Robin Müller
2026-02-25 17:33:34 +01:00
parent 0a7dfc48e6
commit b0f86da1f8
1 changed files with 0 additions and 86 deletions
Download Patch File Download Diff File Expand all files Collapse all files
firmware/zedboard-bsp/src/qspi_spansion.rs
-86
View File
@@ -534,92 +534,6 @@ impl QspiSpansionS25Fl256SIoMode {
}
fn generic_read_page(&self, addr: u32, buf: &mut [u8], dummy_byte: bool, fast_read: bool) {
/*
let mut qspi = self.0.borrow_mut();
let mut transfer = qspi.transfer_guard();
let reg_id = if fast_read {
RegisterId::FastRead
} else {
RegisterId::Read
};
let raw_word: [u8; 4] = [
reg_id as u8,
((addr >> 16) & 0xff) as u8,
((addr >> 8) & 0xff) as u8,
(addr & 0xff) as u8,
];
transfer.write_word_txd_00(u32::from_ne_bytes(raw_word));
let mut read_index = 0;
let mut written_words = 0;
let mut bytes_to_write = buf.len();
if dummy_byte {
bytes_to_write += 1;
}
let fifo_writes = bytes_to_write.div_ceil(4);
// Fill the FIFO until it is full or all 0 bytes have been written.
for _ in 0..core::cmp::min(fifo_writes, FIFO_DEPTH - 1) {
transfer.write_word_txd_00(0);
written_words += 1;
}
transfer.start();
let mut reply_word_index = 0;
while read_index < buf.len() {
let rx_is_above_threshold = transfer.read_status().rx_above_threshold();
// See p.374 of the TRM: Do a double read to ensure this is correct information.
if rx_is_above_threshold && transfer.read_status().rx_above_threshold() {
let reply = transfer.read_rx_data();
if reply_word_index == 0 {
reply_word_index += 1;
continue;
}
let reply_as_bytes = reply.to_ne_bytes();
let reply_size = core::cmp::min(buf.len() - read_index, 4);
read_index += match (reply_size, reply_word_index == 1 && dummy_byte) {
(1, false) => {
buf[read_index] = reply_as_bytes[0];
1
}
(1, true) => {
buf[read_index] = reply_as_bytes[1];
1
}
(2, false) => {
buf[read_index..read_index + 2].copy_from_slice(&reply_as_bytes[0..2]);
2
}
(2, true) => {
buf[read_index..read_index + 2].copy_from_slice(&reply_as_bytes[1..3]);
2
}
(3, false) => {
buf[read_index..read_index + 3].copy_from_slice(&reply_as_bytes[0..3]);
3
}
(3, true) => {
buf[read_index..read_index + 3].copy_from_slice(&reply_as_bytes[1..4]);
3
}
(4, false) => {
buf[read_index..read_index + 4].copy_from_slice(&reply_as_bytes[0..4]);
4
}
(4, true) => {
buf[read_index..read_index + 3].copy_from_slice(&reply_as_bytes[1..4]);
3
}
_ => unreachable!(),
};
reply_word_index += 1;
}
if written_words < fifo_writes && !transfer.read_status().tx_full() {
transfer.write_word_txd_00(0);
written_words += 1;
}
}
*/
let mut offset = 0;
let reg_id = if fast_read {
RegisterId::FastRead