w1_read_block(9)

💅 w1_read_block(9) — from the Kernel API Manual 🎀

okay bestie, welcome to the group chat ✨ this one is called w1_read_block, and it is literally the “gimme a bunch of bytes” girlie of the 1-Wire world 🦋

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🌸 NAME 🌸

w1_read_block — reads a series of bytes. that’s it, that’s the vibe 💖

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✨ SYNOPSIS ✨

u8 w1_read_block (struct w1_master *dev , u8 *buf , int len );

like… look at her. iconic signature. no notes 👑

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🫶 ARGUMENTS 🫶

• dev — the master device, aka the main character holding the whole operation together 💅
• buf — pointer to the buffer to fill, so this is where the bytes are gonna live after the reading situation happens 🎀
• len — the number of bytes to read, aka how many little guys we’re collecting 🔥

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⭐ RETURN ⭐

the number of bytes read, periodt ✨

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🦋 SEE ALSO 🦋

Kernel file ./drivers/w1/w1_io.c — and literally the whole 1-Wire friend group, no cap:

• w1_touch_bit(9)
• w1_write_bit(9)
• w1_pre_write(9)
• w1_post_write(9)
• w1_write_8(9)
• w1_read_bit(9)
• w1_triplet(9)
• w1_read_8(9)
• w1_write_block(9)
• w1_touch_block(9)
• w1_reset_bus(9)
• w1_reset_select_slave(9)
• w1_reset_resume_command(9)
• w1_next_pullup(9)

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lowkey a whole squad 😭 go read the related pages if you wanna understand the full lore, iykyk 💜

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and that’s the page, bestie 🫶 sign-off time: this lil beauty lives under ./drivers/w1, and the date on it is October 2026 ⭐ keep slaying, and remember: bytes are temporary, but reading the docs is forever 💖✨