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Adding option LINK_CABLE_MULTIBOOT_ASYNC_DISABLE_NESTED_IRQ

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This commit is contained in:
Rodrigo Alfonso
2025-01-22 08:39:40 -03:00
parent 80bb0741c4
commit 331032998b
1 changed files with 23 additions and 1 deletions
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24
lib/LinkCableMultiboot.hpp
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@@ -58,6 +58,16 @@
#define LINK_CABLE_MULTIBOOT_PALETTE_DATA 0b10010011
#endif
#ifndef LINK_CABLE_MULTIBOOT_ASYNC_DISABLE_NESTED_IRQ
/**
* @brief Disable nested IRQs (uncomment to enable).
* In the async version, SERIAL IRQs can be interrupted (once they clear their
* time-critical needs) by default, which helps prevent issues with audio
* engines. However, if something goes wrong, you can disable this behavior.
*/
// #define LINK_CABLE_MULTIBOOT_ASYNC_DISABLE_NESTED_IRQ
#endif
LINK_VERSION_TAG LINK_CABLE_MULTIBOOT_VERSION = "vLinkCableMultiboot/v8.0.0";
#define LINK_CABLE_MULTIBOOT_TRY(CALL) \
@@ -83,7 +93,7 @@ class LinkCableMultiboot {
static constexpr int MAX_ROM_SIZE = 256 * 1024;
static constexpr int FRAME_LINES = 228;
static constexpr int INITIAL_WAIT_MIN_FRAMES = 4;
static constexpr int INITIAL_WAIT_MAX_RANDOM_FRAMES = 30;
static constexpr int INITIAL_WAIT_MAX_RANDOM_FRAMES = 10;
static constexpr int INITIAL_WAIT_MIN_LINES =
FRAME_LINES * INITIAL_WAIT_MIN_FRAMES;
static constexpr int DETECTION_TRIES = 16;
@@ -580,11 +590,17 @@ class LinkCableMultiboot {
if (state == STOPPED || interrupt)
return;
#ifndef LINK_CABLE_MULTIBOOT_ASYNC_DISABLE_NESTED_IRQ
interrupt = true;
#endif
Response response = getAsyncResponse();
#ifndef LINK_CABLE_MULTIBOOT_ASYNC_DISABLE_NESTED_IRQ
Link::_REG_IME = 1;
#endif
processResponse(response);
#ifndef LINK_CABLE_MULTIBOOT_ASYNC_DISABLE_NESTED_IRQ
interrupt = false;
#endif
}
private:
@@ -619,12 +635,16 @@ class LinkCableMultiboot {
MultibootDynamicData dynamicData;
volatile State state = STOPPED;
volatile Result result = NONE;
#ifndef LINK_CABLE_MULTIBOOT_ASYNC_DISABLE_NESTED_IRQ
volatile bool interrupt = false;
#endif
void processNewFrame() {
dynamicData.irqTimeout++;
if (dynamicData.irqTimeout >= MAX_IRQ_TIMEOUT_FRAMES) {
#ifndef LINK_CABLE_MULTIBOOT_ASYNC_DISABLE_NESTED_IRQ
if (!interrupt)
#endif
startMultibootSend();
return;
}
@@ -969,7 +989,9 @@ class LinkCableMultiboot {
}
void transferAsync(u32 data) {
#ifndef LINK_CABLE_MULTIBOOT_ASYNC_DISABLE_NESTED_IRQ
Link::_REG_IME = 0;
#endif
if (fixedData.transferMode == TransferMode::MULTI_PLAY)
linkRawCable.transferAsync(data);
else