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minor irq.h comment tweaks

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graham sanderson 2025-02-12 09:34:48 -06:00
parent 24c4480b82
commit 564aa64904
1 changed files with 3 additions and 3 deletions
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6
src/rp2_common/hardware_irq/include/hardware/irq.h
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@ -286,7 +286,7 @@ void irq_set_mask_n_enabled(uint n, uint32_t mask, bool enabled);
* This method will assert if there is already any sort of interrupt handler installed
* for the specified irq number.
*
* NOTE: By default, the SDK uses a single shared vector table per core, and the current installed
* NOTE: By default, the SDK uses a single shared vector table for both cores, and the currently installed
* IRQ handlers are effectively a linked list starting a vector table entry for a particular IRQ number.
* Therefore, this method (when using the same vector table for both cores) sets the same interrupt handler
* for both cores.
@ -309,7 +309,7 @@ void irq_set_mask_n_enabled(uint n, uint32_t mask, bool enabled);
* NOTE: It is not thread safe to add/remove/handle IRQs for the same irq number in the same vector table
* from both cores concurrently.
*
* NOTE: The SDK defines a PICO_VTABLE_PER_CORE variable indicating whether the two vector tables are separate,
* NOTE: The SDK has a PICO_VTABLE_PER_CORE define indicating whether the two vector tables are separate,
* however as of version 2.1.1 the user cannot set this value, and expect the vector table duplication to be handled
* for them. This functionality will be added in a future SDK version
*
@ -343,7 +343,7 @@ irq_handler_t irq_get_exclusive_handler(uint num);
* the (total across all IRQs on both cores) maximum (configurable via PICO_MAX_SHARED_IRQ_HANDLERS) number of shared handlers
* would be exceeded.
*
* NOTE: By default, the SDK uses a single shared vector table per core, and the current installed
* NOTE: By default, the SDK uses a single shared vector table for both core, and the currently installed
* IRQ handlers are effectively a linked list starting a vector table entry for a particular IRQ number.
* Therefore, this method (when using the same vector table for both cores) add the same interrupt handler
* for both cores.