150 lines
3.4 KiB
C
150 lines
3.4 KiB
C
#include <avr/io.h>
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#include <avr/wdt.h>
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#include <avr/power.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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#include <avr/eeprom.h>
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#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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#ifdef BACKLIGHT_ENABLE
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# include "backlight.h"
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#endif
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#ifdef SPLIT_HAND_PIN
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# include "pincontrol.h"
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#endif
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#if defined(USE_I2C) || defined(EH)
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# include "i2c.h"
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#endif
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volatile bool isLeftHand = true;
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volatile uint8_t setTries = 0;
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static void setup_handedness(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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pinMode(SPLIT_HAND_PIN, PinDirectionInput);
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isLeftHand = digitalRead(SPLIT_HAND_PIN);
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#else
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#ifdef EE_HANDS
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isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
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#else
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#ifdef MASTER_RIGHT
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isLeftHand = !has_usb();
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#else
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isLeftHand = has_usb();
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#endif
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#endif
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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) || defined(EH)
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i2c_master_init();
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#ifdef SSD1306OLED
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matrix_master_OLED_init ();
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#endif
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#else
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serial_master_init();
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#endif
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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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timer_init();
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#if defined(USE_I2C) || defined(EH)
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i2c_slave_init(SLAVE_I2C_ADDRESS);
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#else
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serial_slave_init();
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#endif
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}
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bool has_usb(void) {
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USBCON |= (1 << OTGPADE); //enables VBUS pad
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_delay_us(5);
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return (USBSTA & (1<<VBUS)); //checks state of VBUS
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}
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void split_keyboard_setup(void) {
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setup_handedness();
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if (has_usb()) {
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keyboard_master_setup();
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} else {
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keyboard_slave_setup();
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}
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sei();
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}
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void keyboard_slave_loop(void) {
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matrix_init();
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//Init RGB
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#ifdef RGBLIGHT_ENABLE
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rgblight_init();
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#endif
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while (1) {
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// Matrix Slave Scan
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matrix_slave_scan();
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// Read Backlight Info
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#ifdef BACKLIGHT_ENABLE
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#ifdef USE_I2C
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if (BACKLIT_DIRTY) {
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backlight_set(i2c_slave_buffer[I2C_BACKLIT_START]);
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BACKLIT_DIRTY = false;
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}
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#else // USE_SERIAL
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backlight_set(serial_m2s_buffer.backlight_level);
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#endif
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#endif
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// Read RGB Info
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#ifdef RGBLIGHT_ENABLE
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#ifdef USE_I2C
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if (RGB_DIRTY) {
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// Disable interupts (RGB data is big)
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cli();
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// Create new DWORD for RGB data
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uint32_t dword;
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// Fill the new DWORD with the data that was sent over
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uint8_t *dword_dat = (uint8_t *)(&dword);
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for (int i = 0; i < 4; i++) {
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dword_dat[i] = i2c_slave_buffer[I2C_RGB_START+i];
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}
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// Update the RGB now with the new data and set RGB_DIRTY to false
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rgblight_update_dword(dword);
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RGB_DIRTY = false;
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// Re-enable interupts now that RGB is set
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sei();
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}
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#else // USE_SERIAL
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#ifdef RGBLIGHT_SPLIT
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// Add serial implementation for RGB here
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#endif
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#endif
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#endif
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}
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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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split_keyboard_setup();
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if (!has_usb()) {
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//rgblight_init();
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keyboard_slave_loop();
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}
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}
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