stm32f4_i2c_xfer(9)

💅 stm32f4_i2c_xfer(9) — like, the Kernel API Manual page you actually wanna read

okay so bestie, welcome to stm32f4_i2c_xfer(9) — yes that's the function name and the manual section, we love a consistent queen 👑. This is a page straight out of the Kernel API Manual, and it's all about yeeting a combined I2C message. Combined. As in multiple messages, one transfer, one glow-up. ✨

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🌸 NAME

stm32f4_i2c_xfer — transfer a combined I2C message. That's it, that's the whole vibe. 🎀

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🦋 SYNOPSIS

int stm32f4_i2c_xfer (struct i2c_adapter *i2c_adap , struct i2c_msg
msgs[] , int num );

literally right there. int in, int out, I2C messages in the middle. slay. 💅

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✨ ARGUMENTS

• i2c_adap — the adapter pointer to the controller. like, which controller are we talking to? this one. 👈
• msgs — pointer to the data to be written. the actual payload, the main character, the whole reason we're here. 🫶
• num — number of messages to be executed. how many of them. count 'em. 🔢

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🔥 SEE ALSO

bestie you are not ready for this friend group, it's giving crossover episode:

• Kernel file ./drivers/i2c/busses/i2c-stm32f4.c — go read the source, iykyk 📖
• 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_done(9)
• stm32f4_i2c_handle_rx_addr(9)
• stm32f4_i2c_isr_event(9)
• stm32f4_i2c_isr_error(9)
• stm32f4_i2c_xfer_msg(9)

all of them. every single one. no skips, no notes, we stan a complete reference list. 🌈

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ngl there aren't any OPTIONS, ENVIRONMENT, EXIT STATUS, or BUGS sections on this one — it's a short page and honestly? iconic for that. don't go looking for drama where there isn't any. 💀

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and that's the page!! 🎀 it lives in ./drivers/i2c/busses, it's dated October 2026, and it's filed under stm32f4_i2c_xfer(9) — mwah, sending you off with a kiss, go forth and transfer your messages. 💖🦋✨