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-rw-r--r--quantum/split_common/split_util.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/quantum/split_common/split_util.c b/quantum/split_common/split_util.c
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index 0000000000..340a631375
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+++ b/quantum/split_common/split_util.c
@@ -0,0 +1,145 @@
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/power.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <avr/eeprom.h>
+#include "split_util.h"
+#include "matrix.h"
+#include "keyboard.h"
+#include "config.h"
+#include "timer.h"
+#include "split_flags.h"
+
+#ifdef RGBLIGHT_ENABLE
+# include "rgblight.h"
+#endif
+#ifdef BACKLIGHT_ENABLE
+# include "backlight.h"
+#endif
+
+#ifdef SPLIT_HAND_PIN
+# include "pincontrol.h"
+#endif
+
+#if defined(USE_I2C) || defined(EH)
+# include "i2c.h"
+#else
+# include "serial.h"
+#endif
+
+volatile bool isLeftHand = true;
+
+volatile uint8_t setTries = 0;
+
+static void setup_handedness(void) {
+ #ifdef SPLIT_HAND_PIN
+ // Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand
+ pinMode(SPLIT_HAND_PIN, PinDirectionInput);
+ isLeftHand = digitalRead(SPLIT_HAND_PIN);
+ #else
+ #ifdef EE_HANDS
+ isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
+ #else
+ // I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c
+ #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
+ isLeftHand = !has_usb();
+ #else
+ isLeftHand = has_usb();
+ #endif
+ #endif
+ #endif
+}
+
+static void keyboard_master_setup(void) {
+#if defined(USE_I2C) || defined(EH)
+ i2c_master_init();
+ #ifdef SSD1306OLED
+ matrix_master_OLED_init ();
+ #endif
+#else
+ serial_master_init();
+#endif
+
+ // For master the Backlight info needs to be sent on startup
+ // Otherwise the salve won't start with the proper info until an update
+ BACKLIT_DIRTY = true;
+}
+
+static void keyboard_slave_setup(void) {
+ timer_init();
+#if defined(USE_I2C) || defined(EH)
+ i2c_slave_init(SLAVE_I2C_ADDRESS);
+#else
+ serial_slave_init();
+#endif
+}
+
+bool has_usb(void) {
+ USBCON |= (1 << OTGPADE); //enables VBUS pad
+ _delay_us(5);
+ return (USBSTA & (1<<VBUS)); //checks state of VBUS
+}
+
+void split_keyboard_setup(void) {
+ setup_handedness();
+
+ if (has_usb()) {
+ keyboard_master_setup();
+ } else {
+ keyboard_slave_setup();
+ }
+ sei();
+}
+
+void keyboard_slave_loop(void) {
+ matrix_init();
+
+ //Init RGB
+ #ifdef RGBLIGHT_ENABLE
+ rgblight_init();
+ #endif
+
+ while (1) {
+ matrix_slave_scan();
+
+ // read backlight info
+ #ifdef BACKLIGHT_ENABLE
+ if (BACKLIT_DIRTY) {
+ backlight_set(i2c_slave_buffer[I2C_BACKLIT_START]);
+ BACKLIT_DIRTY = false;
+ }
+ #endif
+ #ifdef RGBLIGHT_ENABLE
+ if (RGB_DIRTY) {
+ cli();
+ uint32_t dword;
+
+ /*dword = i2c_slave_buffer[I2C_RGB_START + 3];
+ dword = (dword << 8) + i2c_slave_buffer[I2C_RGB_START + 2];
+ dword = (dword << 8) + i2c_slave_buffer[I2C_RGB_START + 1];
+ dword = (dword << 8) + i2c_slave_buffer[I2C_RGB_START];*/
+
+
+ uint8_t *dword_dat = (uint8_t *)(&dword);
+ for (int i = 0; i < 4; i++) {
+ dword_dat[i] = i2c_slave_buffer[I2C_RGB_START+i];
+ }
+
+ rgblight_update_dword(dword);
+ RGB_DIRTY = false;
+ sei();
+ }
+ #endif
+ }
+}
+
+// this code runs before the usb and keyboard is initialized
+void matrix_setup(void) {
+ split_keyboard_setup();
+
+ if (!has_usb()) {
+ //rgblight_init();
+ keyboard_slave_loop();
+ }
+}