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intermediate work checkin before swapping to sigchat branch

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This commit is contained in:
bunnie 2024-01-26 22:51:13 +08:00
parent e14a7ced8f
commit c7c384bb85
1 changed files with 9 additions and 1 deletions
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10
services/graphics-server/src/backend/cramium.rs
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@ -1,5 +1,6 @@
use cram_hal_service::IframRange;
use cramium_hal::iox;
use cramium_hal::udma::PeriphId;
use utralib::generated::*;
use utralib::utra;
use xous::MemoryRange;
@ -88,7 +89,7 @@ pub fn claim_main_thread(f: impl FnOnce(MainThreadToken) -> Never + Send + 'stat
pub struct XousDisplay {
fb: MemoryRange,
hwfb: IframRange,
hwfb: cramium_hal::udma::Spim,
next_free_line: usize,
srfb: [u32; FB_SIZE],
csr: utralib::CSR<u32>,
@ -111,8 +112,15 @@ impl XousDisplay {
}
}
// TODO:
// - then convert the line below to create a Spim, instead of an IframRange...
let udma_global = cram_hal_service::UdmaGlobal::new();
// using bank SPIM_B[1]
udma_global.udma_clock_config(PeriphId::Spim1, true);
// safety: this is safe because we bind hwfb to XousDisplay which lives for the entire
// duration of the OS.
/////////////// LEFT OFF HERE
let hwfb = unsafe {
cram_hal_service::IframRange::request(4096 * 3, None)
.expect("Couldn't allocate a DMA target for graphics!")