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cleanup, fix pushing to pins_table

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JuliDi 2023-09-27 20:58:00 +02:00
parent f116ca83e0
commit 49608714aa
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1 changed files with 62 additions and 60 deletions
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122
embassy-stm32/build.rs
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@ -88,26 +88,48 @@ fn main() {
}
}
struct SplitFeature {
feature_name: String,
pin_name_with_c: String,
pin_name_without_c: String,
}
// Extra analog switch pins available on most H7 chips
let split_features = [
#[cfg(feature = "split-pa0")]
("split-pa0", "PA0_C"),
SplitFeature {
feature_name: "split-pa0".to_string(),
pin_name_with_c: "PA0_C".to_string(),
pin_name_without_c: "PA0".to_string(),
},
#[cfg(feature = "split-pa1")]
("split-pa1", "PA1_C"),
SplitFeature {
feature_name: "split-pa1".to_string(),
pin_name_with_c: "PA1_C".to_string(),
pin_name_without_c: "PA1".to_string(),
},
#[cfg(feature = "split-pc2")]
("split-pc2", "PC2_C"),
SplitFeature {
feature_name: "split-pc2".to_string(),
pin_name_with_c: "PC2_C".to_string(),
pin_name_without_c: "PC2".to_string(),
},
#[cfg(feature = "split-pc3")]
("split-pc3", "PC3_C"),
SplitFeature {
feature_name: "split-pc3".to_string(),
pin_name_with_c: "PC3_C".to_string(),
pin_name_without_c: "PC3".to_string(),
},
];
for (feature_name, pin_name) in split_features {
if pin_set.contains(pin_name) {
singletons.push(pin_name.into());
for split_feature in &split_features {
if pin_set.contains(split_feature.pin_name_with_c.as_str()) {
singletons.push(split_feature.pin_name_with_c.clone());
} else {
panic!(
"'{}' feature invalid for this chip! No pin '{}' found.\n
Found pins: {:#?}",
feature_name, pin_name, pin_set
split_feature.feature_name, split_feature.pin_name_with_c, pin_set
)
}
}
@ -711,25 +733,13 @@ fn main() {
if let Some(tr) = signals.get(&key) {
let mut peri = format_ident!("{}", p.name);
let pin_name = {
#[allow(unused_mut)]
let mut pin_name = pin.pin;
#[cfg(not(feature = "split-pa0"))]
if pin.pin == "PA0_C" {
pin_name = "PA0";
}
#[cfg(not(feature = "split-pa1"))]
if pin.pin == "PA1_C" {
pin_name = "PA1";
}
#[cfg(not(feature = "split-pc2"))]
if pin.pin == "PC2_C" {
pin_name = "PC2";
}
#[cfg(not(feature = "split-pc3"))]
if pin.pin == "PC3_C" {
pin_name = "PC3";
// If we encounter a "_C" pin, we remove the suffix
let mut pin_name = pin.pin.strip_suffix("_C").unwrap_or(pin.pin).to_string();
// However, if the corresponding split_feature is enabled, we actually do want the pin name including "_C"
for split_feature in &split_features {
if pin.pin == split_feature.pin_name_with_c {
pin_name = split_feature.pin_name_with_c.clone();
}
}
format_ident!("{}", pin_name)
@ -772,25 +782,13 @@ fn main() {
let peri = format_ident!("{}", p.name);
let pin_name = {
#[allow(unused_mut)]
let mut pin_name = pin.pin;
#[cfg(not(feature = "split-pa0"))]
if pin.pin == "PA0_C" {
pin_name = "PA0";
}
#[cfg(not(feature = "split-pa1"))]
if pin.pin == "PA1_C" {
pin_name = "PA1";
}
#[cfg(not(feature = "split-pc2"))]
if pin.pin == "PC2_C" {
pin_name = "PC2";
}
#[cfg(not(feature = "split-pc3"))]
if pin.pin == "PC3_C" {
pin_name = "PC3";
// If we encounter a "_C" pin, we remove the suffix
let mut pin_name = pin.pin.strip_suffix("_C").unwrap_or(pin.pin).to_string();
// However, if the corresponding split_feature is enabled, we actually do want the pin name including "_C"
for split_feature in &split_features {
if pin.pin == split_feature.pin_name_with_c {
pin_name = split_feature.pin_name_with_c.clone();
}
}
format_ident!("{}", pin_name)
@ -945,26 +943,30 @@ fn main() {
for pin_num in 0u32..16 {
let pin_name = format!("P{}{}", port_letter, pin_num);
// TODO: Here we need to take care of the _C pins properly.
// Maybe it would be better to not iterate over 0..16 but the
// Pin names directly. However, this might have side-effects... :(
if pin_name == "PC2" {
pins_table.push(vec![
"PC2_C".to_string(),
p.name.to_string(),
port_num.to_string(),
"2".to_string(),
format!("EXTI{}", 2),
]);
}
pins_table.push(vec![
pin_name,
pin_name.clone(),
p.name.to_string(),
port_num.to_string(),
pin_num.to_string(),
format!("EXTI{}", pin_num),
]);
// If we have the split pins, we need to do a little extra work:
// Add the "_C" variant to the table. The solution is not optimal, though.
// Adding them only when the corresponding GPIOx also appears.
// This should avoid unintended side-effects as much as possible.
#[cfg(feature = "_split-pins-enabled")]
for split_feature in &split_features {
if split_feature.pin_name_without_c == pin_name {
pins_table.push(vec![
split_feature.pin_name_with_c.to_string(),
p.name.to_string(),
port_num.to_string(),
pin_num.to_string(),
format!("EXTI{}", pin_num),
]);
}
}
}
}