From 14d1af6231b69ec186cdad5699d2b4944f785397 Mon Sep 17 00:00:00 2001 From: tmk Date: Wed, 24 Jul 2013 00:41:28 +0900 Subject: [PATCH] Add bootmagic salt key to avoid accidental configuration --- README.md | 2 ++ common/bootmagic.c | 10 +++++++++- common/bootmagic.h | 6 ++++++ 3 files changed, 17 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 8864795c..536cc753 100644 --- a/README.md +++ b/README.md @@ -124,6 +124,8 @@ Following commands can be also executed with `Magic` + key. In console mode `Mag Boot Magic are executed during boot up time. Press Magic key below then pulgin keyboard cable. Note that you must use keys of **Layer 0** as Magic keys. These settings are stored in EEPROM so that retain your configure over power cycles. +To avoid configuring accidentally additive salt key `KC_SPACE` also needs to be pressed along with the following configuration keys. The salt key is configurable in `config.h`. See [common/bootmagic.h](common/bootmagic.h). + #### General - Skip reading EEPROM to start with default configuration(`ESC`) - Clear configuration stored in EEPROM to reset configuration(`Backspace`) diff --git a/common/bootmagic.c b/common/bootmagic.c index 11eef3c3..410dc683 100644 --- a/common/bootmagic.c +++ b/common/bootmagic.c @@ -5,6 +5,7 @@ #include "bootloader.h" #include "debug.h" #include "keymap.h" +#include "action_layer.h" #include "eeconfig.h" #include "bootmagic.h" @@ -94,7 +95,7 @@ void bootmagic(void) } } -bool bootmagic_scan_keycode(uint8_t keycode) +static bool scan_keycode(uint8_t keycode) { for (uint8_t r = 0; r < MATRIX_ROWS; r++) { matrix_row_t matrix_row = matrix_get_row(r); @@ -108,3 +109,10 @@ bool bootmagic_scan_keycode(uint8_t keycode) } return false; } + +bool bootmagic_scan_keycode(uint8_t keycode) +{ + if (!scan_keycode(BOOTMAGIC_KEY_SALT)) return false; + + return scan_keycode(keycode); +} diff --git a/common/bootmagic.h b/common/bootmagic.h index 68935e97..2d14b3e7 100644 --- a/common/bootmagic.h +++ b/common/bootmagic.h @@ -2,6 +2,12 @@ #define BOOTMAGIC_H +/* bootmagic salt key */ +#ifndef BOOTMAGIC_KEY_SALT +#define BOOTMAGIC_KEY_SALT KC_SPACE +#endif + +/* skip bootmagic and eeconfig */ #ifndef BOOTMAGIC_KEY_SKIP #define BOOTMAGIC_KEY_SKIP KC_ESC #endif