IBRPP(3)

✨ ibrpp — bestie edition ✨

okay so real talk: ibrpp is the Traditional API function that does a parallel poll. Board or device, whatever, it's giving flexibility 💅

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🎀 NAME 🎀

ibrpp — perform a parallel poll (board or device). that's it, that's the whole vibe 🦋

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🌸 SYNOPSIS 🌸

#include <gpib/ib.h>

int ibrpp(int ud, char *ppoll_result);

two args, one int, one pointer. no cap, that's the whole thing 💖

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💅 DESCRIPTION 💅

so like. ibrpp() makes the interface board go do a parallel poll, and then it stashes the resulting parallel poll byte into the spot your ppoll_result pointer is pointing at. periodt. 👑

now the details, because the details are, as always, iconic:

• Bits 0 to 7 of that parallel poll byte map to dio lines 1 to 8 — so basically bit 0 → dio line 1, bit 1 → dio line 2, all the way up to bit 7 → dio line 8, iykyk 🧚
• a 1 in a bit means that corresponding dio line is asserted. asserted = it's up, it's doing its thing, main character energy ⭐

okay so before you even call this — the devices on the bus you wanna poll need to be set up beforehand with ibppc(). don't skip that step bestie, that's like showing up to the group chat with no context 😭

and listen, the board doing the parallel poll has to be controller-in-charge. you tell it which board by passing its descriptor as ud. but plot twist — if ud is a device descriptor instead of a board descriptor, then it's the device's access board that performs the parallel poll. either way it happens, just depends who's driving 💜

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🌈 RETURN VALUE 🌈

the value of ibsta gets returned. that's the whole return value, no surprises, no drama, we love a lowkey return 🫶

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🍓 COPYRIGHT 🍓

Copyright © 2003-2006, 2008 Frank Mori Hess

shoutout to Frank, absolute legend for this one 🙈💖

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okay that's the page!! this was linux-gpib 4.3.7, dated 07/06/2026, and no I will not be normal about parallel polls. go configure your devices with ibppc() first, mwah 💋🌈✨