joybus_target_n64_pak_api Struct Reference

API for implementing an N64 pak. More...

#include <n64_pak.h>

Data Fields
void(*	read_block )(struct joybus_target_n64_pak *pak, uint16_t addr, uint8_t buf[JOYBUS_PAK_BLOCK_SIZE])
	Called when a host requests to read a 32-byte block from the pak.
void(*	write_block )(struct joybus_target_n64_pak *pak, uint16_t addr, const uint8_t buf[JOYBUS_PAK_BLOCK_SIZE])
	Called when a host requests to write a 32-byte block to the pak.

Detailed Description

API for implementing an N64 pak.

Field Documentation

read_block

void(* joybus_target_n64_pak_api::read_block) (struct joybus_target_n64_pak *pak, uint16_t addr, uint8_t buf[JOYBUS_PAK_BLOCK_SIZE])

Called when a host requests to read a 32-byte block from the pak.

Runs in interrupt context, on the response critical path, so it must return quickly.

Parameters

pak	the pak being read from
addr	block-aligned address (low 5 bits are zero)
buf	destination buffer, exactly 32 bytes

write_block

void(* joybus_target_n64_pak_api::write_block) (struct joybus_target_n64_pak *pak, uint16_t addr, const uint8_t buf[JOYBUS_PAK_BLOCK_SIZE])

Called when a host requests to write a 32-byte block to the pak.

Runs in interrupt context, AFTER the CRC response has been sent, but still on the command handling path, so must return before the next command byte is received.

Parameters

pak	the pak being written to
addr	block-aligned address (low 5 bits are zero)
buf	source buffer, exactly 32 bytes

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The documentation for this struct was generated from the following file:

• include/joybus/target/n64_pak.h