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stm32: expand rcc mux to g4 and h7

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This commit is contained in:
xoviat
2023-10-14 23:33:57 -05:00
parent c46e758e2c
commit 4a156df7a1
6 changed files with 72 additions and 74 deletions
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43
embassy-stm32/build.rs
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@@ -388,20 +388,21 @@ fn main() {
});
}
// ========
// Extract the rcc registers
let rcc_registers = METADATA
.peripherals
.iter()
.filter_map(|p| p.registers.as_ref())
.find(|r| r.kind == "rcc")
.unwrap();
// ========
// Generate rcc fieldset and enum maps
let rcc_enum_map: HashMap<&str, HashMap<&str, &Enum>> = {
let rcc_registers = METADATA
.peripherals
.iter()
.filter_map(|p| p.registers.as_ref())
.find(|r| r.kind == "rcc")
.unwrap()
.ir;
let rcc_blocks = rcc_registers.blocks.iter().find(|b| b.name == "Rcc").unwrap().items;
let rcc_fieldsets: HashMap<&str, &FieldSet> = rcc_registers.fieldsets.iter().map(|f| (f.name, f)).collect();
let rcc_enums: HashMap<&str, &Enum> = rcc_registers.enums.iter().map(|e| (e.name, e)).collect();
let rcc_blocks = rcc_registers.ir.blocks.iter().find(|b| b.name == "Rcc").unwrap().items;
let rcc_fieldsets: HashMap<&str, &FieldSet> = rcc_registers.ir.fieldsets.iter().map(|f| (f.name, f)).collect();
let rcc_enums: HashMap<&str, &Enum> = rcc_registers.ir.enums.iter().map(|e| (e.name, e)).collect();
rcc_blocks
.iter()
@@ -494,8 +495,10 @@ fn main() {
};
let mux_for = |mux: Option<&'static PeripheralRccRegister>| {
// temporary hack to restrict the scope of the implementation to h5
if !&chip_name.starts_with("stm32h5") {
let checked_rccs = HashSet::from(["h5", "h50", "h7", "h7ab", "h7rm0433", "g4"]);
// restrict mux implementation to supported versions
if !checked_rccs.contains(rcc_registers.version) {
return None;
}
@@ -518,11 +521,9 @@ fn main() {
.filter(|v| v.name != "DISABLE")
.map(|v| {
let variant_name = format_ident!("{}", v.name);
// temporary hack to restrict the scope of the implementation until clock names can be stabilized
let clock_name = format_ident!("{}", v.name.to_ascii_lowercase());
if v.name.starts_with("AHB") || v.name.starts_with("APB") {
if v.name.starts_with("AHB") || v.name.starts_with("APB") || v.name == "SYS" {
quote! {
#enum_name::#variant_name => unsafe { crate::rcc::get_freqs().#clock_name },
}
@@ -1013,15 +1014,7 @@ fn main() {
// ========
// Generate Div/Mul impls for RCC prescalers/dividers/multipliers.
let rcc_registers = METADATA
.peripherals
.iter()
.filter_map(|p| p.registers.as_ref())
.find(|r| r.kind == "rcc")
.unwrap()
.ir;
for e in rcc_registers.enums {
for e in rcc_registers.ir.enums {
fn is_rcc_name(e: &str) -> bool {
match e {
"Pllp" | "Pllq" | "Pllr" | "Pllm" | "Plln" => true,