diff options
| author | Brian Schwind <[email protected]> | 2025-10-04 13:13:16 +0900 |
|---|---|---|
| committer | Brian Schwind <[email protected]> | 2025-10-04 16:52:20 +0900 |
| commit | 5220a76e5f71c4e44c1e2f023df5ea7feb4d4370 (patch) | |
| tree | 0d2cdd56da94ca8906964c985042057238c73769 /embassy-stm32/src | |
| parent | 5e89631367c88e636899ddc3b3d333c92d0a983e (diff) | |
ospi: properly respect the max DMA transfer size when writing
Diffstat (limited to 'embassy-stm32/src')
| -rw-r--r-- | embassy-stm32/src/ospi/mod.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/embassy-stm32/src/ospi/mod.rs b/embassy-stm32/src/ospi/mod.rs index a1f3c8b03..2e4943a1b 100644 --- a/embassy-stm32/src/ospi/mod.rs +++ b/embassy-stm32/src/ospi/mod.rs | |||
| @@ -1203,7 +1203,7 @@ impl<'d, T: Instance> Ospi<'d, T, Async> { | |||
| 1203 | .modify(|v| v.set_fmode(vals::FunctionalMode::INDIRECT_WRITE)); | 1203 | .modify(|v| v.set_fmode(vals::FunctionalMode::INDIRECT_WRITE)); |
| 1204 | 1204 | ||
| 1205 | // TODO: implement this using a LinkedList DMA to offload the whole transfer off the CPU. | 1205 | // TODO: implement this using a LinkedList DMA to offload the whole transfer off the CPU. |
| 1206 | for chunk in buf.chunks(0xFFFF) { | 1206 | for chunk in buf.chunks(0xFFFF / W::size().bytes()) { |
| 1207 | let transfer = unsafe { | 1207 | let transfer = unsafe { |
| 1208 | self.dma | 1208 | self.dma |
| 1209 | .as_mut() | 1209 | .as_mut() |
| @@ -1278,7 +1278,7 @@ impl<'d, T: Instance> Ospi<'d, T, Async> { | |||
| 1278 | .modify(|v| v.set_fmode(vals::FunctionalMode::INDIRECT_WRITE)); | 1278 | .modify(|v| v.set_fmode(vals::FunctionalMode::INDIRECT_WRITE)); |
| 1279 | 1279 | ||
| 1280 | // TODO: implement this using a LinkedList DMA to offload the whole transfer off the CPU. | 1280 | // TODO: implement this using a LinkedList DMA to offload the whole transfer off the CPU. |
| 1281 | for chunk in buf.chunks(0xFFFF) { | 1281 | for chunk in buf.chunks(0xFFFF / W::size().bytes()) { |
| 1282 | let transfer = unsafe { | 1282 | let transfer = unsafe { |
| 1283 | self.dma | 1283 | self.dma |
| 1284 | .as_mut() | 1284 | .as_mut() |