mirror of
https://github.com/firewalkwithm3/qmk_firmware.git
synced 2024-11-23 03:50:28 +08:00
bf962821b3
Its use in lets_split_eh was factored out in https://github.com/qmk/qmk_firmware/pull/6411
88 lines
1.7 KiB
C
88 lines
1.7 KiB
C
#include "split_util.h"
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#include "matrix.h"
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#include "keyboard.h"
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#include "config.h"
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#include "timer.h"
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#include "split_flags.h"
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#include "transport.h"
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#include "quantum.h"
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#ifdef EE_HANDS
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# include "tmk_core/common/eeprom.h"
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# include "eeconfig.h"
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#endif
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volatile bool isLeftHand = true;
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__attribute__((weak))
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bool is_keyboard_left(void) {
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#ifdef SPLIT_HAND_PIN
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// Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand
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setPinInput(SPLIT_HAND_PIN);
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return readPin(SPLIT_HAND_PIN);
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#else
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#ifdef EE_HANDS
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return eeprom_read_byte(EECONFIG_HANDEDNESS);
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#else
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#ifdef MASTER_RIGHT
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return !is_keyboard_master();
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#else
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return is_keyboard_master();
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#endif
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#endif
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#endif
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}
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bool is_keyboard_master(void)
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{
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#ifdef __AVR__
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static enum { UNKNOWN, MASTER, SLAVE } usbstate = UNKNOWN;
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// only check once, as this is called often
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if (usbstate == UNKNOWN)
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{
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USBCON |= (1 << OTGPADE); // enables VBUS pad
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wait_us(5);
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usbstate = (USBSTA & (1 << VBUS)) ? MASTER : SLAVE; // checks state of VBUS
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}
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return (usbstate == MASTER);
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#else
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return true;
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#endif
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}
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static void keyboard_master_setup(void) {
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#if defined(USE_I2C)
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#ifdef SSD1306OLED
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matrix_master_OLED_init ();
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#endif
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#endif
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transport_master_init();
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// For master the Backlight info needs to be sent on startup
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// Otherwise the salve won't start with the proper info until an update
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BACKLIT_DIRTY = true;
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}
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static void keyboard_slave_setup(void)
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{
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transport_slave_init();
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}
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// this code runs before the usb and keyboard is initialized
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void matrix_setup(void)
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{
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isLeftHand = is_keyboard_left();
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if (is_keyboard_master())
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{
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keyboard_master_setup();
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}
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else
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{
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keyboard_slave_setup();
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}
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}
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