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authorRasmus Melchior Jacobsen <[email protected]>2023-05-24 12:45:59 +0200
committerRasmus Melchior Jacobsen <[email protected]>2023-05-25 20:07:41 +0200
commit34a2804b544206920b6e960e3443a2b2f6e41f2b (patch)
tree153723a7d2a68ce047498c70653cc745ea68b3d2 /embassy-stm32/src/flash/mod.rs
parentcdb14475696484d08d717194074c4d85cff5eb63 (diff)
Fix unused get_sector and ensure_sector_aligned
Diffstat (limited to 'embassy-stm32/src/flash/mod.rs')
-rw-r--r--embassy-stm32/src/flash/mod.rs44
1 files changed, 0 insertions, 44 deletions
diff --git a/embassy-stm32/src/flash/mod.rs b/embassy-stm32/src/flash/mod.rs
index e781f1b86..1ef04e56f 100644
--- a/embassy-stm32/src/flash/mod.rs
+++ b/embassy-stm32/src/flash/mod.rs
@@ -92,47 +92,3 @@ impl NorFlashError for Error {
92 } 92 }
93 } 93 }
94} 94}
95
96pub(crate) fn get_sector(address: u32, regions: &[&FlashRegion]) -> FlashSector {
97 let mut current_bank = FlashBank::Bank1;
98 let mut bank_offset = 0;
99 for region in regions {
100 if region.bank != current_bank {
101 current_bank = region.bank;
102 bank_offset = 0;
103 }
104
105 if address < region.end() {
106 let index_in_region = (address - region.base) / region.erase_size;
107 return FlashSector {
108 bank: region.bank,
109 index_in_bank: bank_offset + index_in_region as u8,
110 start: region.base + index_in_region * region.erase_size,
111 size: region.erase_size,
112 };
113 }
114
115 bank_offset += region.sectors();
116 }
117
118 panic!("Flash sector not found");
119}
120
121pub(crate) fn ensure_sector_aligned(
122 start_address: u32,
123 end_address: u32,
124 regions: &[&FlashRegion],
125) -> Result<(), Error> {
126 let mut address = start_address;
127 while address < end_address {
128 let sector = get_sector(address, regions);
129 if sector.start != address {
130 return Err(Error::Unaligned);
131 }
132 address += sector.size;
133 }
134 if address != end_address {
135 return Err(Error::Unaligned);
136 }
137 Ok(())
138}