w1_f1C_write(9)

🌸 NAME 🌸

okay so bestie, welcome to w1_f1C_write(9) from the Kernel API Manual 💖 — this one writes to the scratchpad and reads it back for verification. Verification is the whole vibe here, no cap. ✨

🎀 SYNOPSIS 🎀

int w1_f1C_write (struct w1_slave *sl , int addr , int len , const u8
       *data );

🦋 ARGUMENTS 🦋

• sl — the slave structure. It’s giving “main character struct,” honestly. 💅
• addr — address for the write. 📍
• len — length must be <= (W1_PAGE_SIZE - (addr & W1_PAGE_MASK)). Write that down, bestie. 🫶
• data — the data to write. 🍓

✨ DESCRIPTION ✨

Then copies the scratchpad to EEPROM. The data must be on one page. The master must be locked.

⚠️ the data must be on one page. One page. Do not try to be cute with a multi-page situation. 😭 🔒 the master must be locked. Locked locked. Periodt. 💀

🔥 RETURN 🔥

0 = success 🌈, -1 = failure 💀. That’s it. That’s the whole mood.

👑 SEE ALSO 👑

• Kernel file ./drivers/w1/slaves/w1_ds28e04.c — go read it, iykyk. 🧚

mwah 💋 — this page is from ./drivers/w1/slaves, dated October 2026, and it’s all about w1_f1C_write(9). 🫶