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Split - Avoid race condition during matrix_init_quantum (#8235)

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* Avoid race condition during matrix_init_quantum

* spelling is hard
This commit is contained in:
Joel Challis 2020-02-25 14:10:04 +00:00 committed by GitHub
parent 891d28a379
commit f6111d49bb
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 19 additions and 17 deletions
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4
quantum/split_common/matrix.c
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@ -190,7 +190,7 @@ static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)
#endif
void matrix_init(void) {
keyboard_split_setup();
split_pre_init();
// Set pinout for right half if pinout for that half is defined
if (!isLeftHand) {
@ -231,6 +231,8 @@ void matrix_init(void) {
debounce_init(ROWS_PER_HAND);
matrix_init_quantum();
split_post_init();
}
void matrix_post_scan(void) {

29
quantum/split_common/split_util.c
View file

@ -81,19 +81,8 @@ __attribute__((weak)) bool is_keyboard_master(void) {
return (usbstate == MASTER);
}
static void keyboard_master_setup(void) {
#if defined(USE_I2C)
# ifdef SSD1306OLED
matrix_master_OLED_init();
# endif
#endif
transport_master_init();
}
static void keyboard_slave_setup(void) { transport_slave_init(); }
// this code runs before the keyboard is fully initialized
void keyboard_split_setup(void) {
void split_pre_init(void) {
isLeftHand = is_keyboard_left();
#if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT)
@ -106,8 +95,18 @@ void keyboard_split_setup(void) {
#endif
if (is_keyboard_master()) {
keyboard_master_setup();
} else {
keyboard_slave_setup();
#if defined(USE_I2C) && defined(SSD1306OLED)
matrix_master_OLED_init();
#endif
transport_master_init();
}
}
// this code runs after the keyboard is fully initialized
// - avoids race condition during matrix_init_quantum where slave can start
// receiving before the init process has completed
void split_post_init(void) {
if (!is_keyboard_master()) {
transport_slave_init();
}
}

3
quantum/split_common/split_util.h
View file

@ -8,4 +8,5 @@
extern volatile bool isLeftHand;
void matrix_master_OLED_init(void);
void keyboard_split_setup(void);
void split_pre_init(void);
void split_post_init(void);