Henry-Hiles/qmk_userspace
1
0
Fork 0
forked from mirrors/qmk_userspace
Code Pull requests Activity

Enable de-ghosting for RGB/LED matrix on all ISSI LED drivers (#14508)

Browse source 
* Initial work for de-ghost enable

* Dumb mistake with the redefine

* Added Copywrite stuff on source files

* Fixed whitespace errors

* Added support for all ISSI LED drivers

* Updated docs for support for ISSI LED driver pull-up pull-down

* Applied clang format

* Added 'boolean' flag to enable de-ghosting for the is31fl3731 IC

* Fixed some of the grammer in the docs

* Fixed comment placement and grammer of comment

* Fixed whitespace errors from lint

Co-authored-by: donicrosby <donicrosby1995@gmail.com>
This commit is contained in:
donicrosby 2021-11-01 19:40:01 -04:00 • committed by GitHub
parent 7ae0f371cf
commit 0c72501763
Failed to generate hash of commit
11 changed files with 136 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

13
drivers/led/issi/is31fl3737.c
View file

@ -1,6 +1,7 @@
/* Copyright 2017 Jason Williams
* Copyright 2018 Jack Humbert
* Copyright 2018 Yiancar
* Copyright 2021 Doni Crosby
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -56,6 +57,14 @@
# define ISSI_PERSISTENCE 0
#endif
#ifndef ISSI_SWPULLUP
# define ISSI_SWPULLUP PUR_0R
#endif
#ifndef ISSI_CSPULLUP
# define ISSI_CSPULLUP PUR_0R
#endif
// Transfer buffer for TWITransmitData()
uint8_t g_twi_transfer_buffer[20];
@ -143,6 +152,10 @@ void IS31FL3737_init(uint8_t addr) {
// Select PG3
IS31FL3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
IS31FL3737_write_register(addr, ISSI_REG_SWPULLUP, ISSI_SWPULLUP);
// Set de-ghost pull-down resistors (CSx)
IS31FL3737_write_register(addr, ISSI_REG_CSPULLUP, ISSI_CSPULLUP);
// Set global current to maximum.
IS31FL3737_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF);
// Disable software shutdown.