stm32f4_i2c_handle_rx_done(9)

💜 stm32f4_i2c_handle_rx_done — like, the read-side byte-done interrupt handler

okay bestie, welcome to the Kernel API Manual ✨ this one's a lil function from I2C land and it's genuinely so specific that it's giving main character energy. let's go 🎀

---

🌸 NAME

stm32f4_i2c_handle_rx_done — handles the byte-transfer-finished interrupt when we're doing a read 👑 like, this is the "ooh a byte landed" handler, but only for the read direction. iykyk.

---

✨ SYNOPSIS

void stm32f4_i2c_handle_rx_done (struct stm32f4_i2c_dev *i2c_dev );

that's it. that's the whole vibe. no return value, it just does the thing 💅

---

🦋 ARGUMENTS

• i2c_dev — the controller's private data 🫶 like, the controller's whole lil personal diary of state. you hand it over and the function knows who it's working with.

---

🔥 DESCRIPTION

so here's the tea ☕ — this function gets called when a new data arrives in the shift register, but the data register hasn't been read yet. 😭

read that again, because that's the whole bit: byte showed up in the shift register, data register is still sitting there unread, and this is the function that handles that exact moment. no cap, that's literally it. it's a very "right place, right time" kinda function ✨

---

🌈 SEE ALSO

the whole friend group 🫶 — go check these out:

• Kernel file ./drivers/i2c/busses/i2c-stm32f4.c
• struct stm32f4_i2c_msg(9)
• struct stm32f4_i2c_dev(9)
• stm32f4_i2c_hw_config(9)
• stm32f4_i2c_write_byte(9)
• stm32f4_i2c_write_msg(9)
• stm32f4_i2c_handle_write(9)
• stm32f4_i2c_handle_read(9)
• stm32f4_i2c_handle_rx_addr(9)
• stm32f4_i2c_isr_event(9)
• stm32f4_i2c_isr_error(9)
• stm32f4_i2c_xfer_msg(9)
• stm32f4_i2c_xfer(9)

---

💖 tiny sign-off from your girl: this page lives under ./drivers/i2c/busses and it's dated October 2026 — slay, see you in the group chat 🌸💅