[Keyboard] Refactor jj4x4 to current standards (#5567)

* Refactor 4x4 in line with current ps2avrgb template

* Add backlight pwm bodge till #4324 lands

* Disable bootmagic lite as it seems to not work on atmega32a/bootloadHID

1 files changed, 0 insertions, 213 deletions

diff --git a/keyboards/jj4x4/backlight.c b/keyboards/jj4x4/backlight.c
deleted file mode 100644
index fbd241fa9d..0000000000
--- a/keyboards/jj4x4/backlight.c
+++ /dev/null
@@ -1,213 +0,0 @@
-/**
- * Backlighting code for PS2AVRGB boards (ATMEGA32A)
- * Kenneth A. (github.com/krusli | krusli.me)
- */
-
-#include "backlight.h"
-#include "quantum.h"
-
-#include <avr/pgmspace.h>
-#include <avr/interrupt.h>
-
-#include "backlight_custom.h"
-#include "breathing_custom.h"
-
-// DEBUG
-#include <stdlib.h>
-#include <stdio.h>
-
-// Port D: digital pins of the AVR chipset
-#define NUMLOCK_PORT    (1 << 0)  // D0
-#define CAPSLOCK_PORT   (1 << 1)  // D1
-#define BACKLIGHT_PORT  (1 << 4)  // D4
-#define SCROLLLOCK_PORT (1 << 6)  // D6
-
-#define TIMER_CLK_DIV64			  0x03	///< Timer clocked at F_CPU/64
-#define TIMER1PRESCALE	TIMER_CLK_DIV64 ///< timer 1 prescaler default
-
-#define TIMER_PRESCALE_MASK		0x07	///< Timer Prescaler Bit-Mask
-
-#define PWM_MAX 0xFF
-#define TIMER_TOP 255 // 8 bit PWM
-
-extern backlight_config_t backlight_config;
-
-/**
- * References
- * Port Registers: https://www.arduino.cc/en/Reference/PortManipulation
- * TCCR1A: https://electronics.stackexchange.com/questions/92350/what-is-the-difference-between-tccr1a-and-tccr1b
- * Timers: http://www.avrbeginners.net/architecture/timers/timers.html
- * 16-bit timer setup: http://sculland.com/ATmega168/Interrupts-And-Timers/16-Bit-Timer-Setup/
- * PS2AVRGB firmware: https://github.com/showjean/ps2avrU/tree/master/firmware
- */
-
-// @Override
-// turn LEDs on and off depending on USB caps/num/scroll lock states.
-__attribute__ ((weak))
-void led_set_user(uint8_t usb_led) {
-    if (usb_led & (1 << USB_LED_NUM_LOCK)) {
-      // turn on
-      DDRD  |= NUMLOCK_PORT;
-      PORTD |= NUMLOCK_PORT;
-    } else {
-      // turn off
-      DDRD  &= ~NUMLOCK_PORT;
-      PORTD &= ~NUMLOCK_PORT;
-    }
-
-    if (usb_led & (1 << USB_LED_CAPS_LOCK)) {
-      DDRD  |= CAPSLOCK_PORT;
-      PORTD |= CAPSLOCK_PORT;
-    } else {
-      DDRD  &= ~CAPSLOCK_PORT;
-      PORTD &= ~CAPSLOCK_PORT;
-    }
-
-    if (usb_led & (1 << USB_LED_SCROLL_LOCK)) {
-      DDRD  |= SCROLLLOCK_PORT;
-      PORTD |= SCROLLLOCK_PORT;
-    } else {
-      DDRD  &= ~SCROLLLOCK_PORT;
-      PORTD &= ~SCROLLLOCK_PORT;
-    }
-}
-
-#ifdef BACKLIGHT_ENABLE
-
-// sets up Timer 1 for 8-bit PWM
-void timer1PWMSetup(void) { // NOTE ONLY CALL THIS ONCE
-  // default 8 bit mode
-  TCCR1A &= ~(1 << 1); // cbi(TCCR1A,PWM11); <- set PWM11 bit to HIGH
-  TCCR1A |= (1 << 0);  // sbi(TCCR1A,PWM10); <- set PWM10 bit to LOW
-
-  // clear output compare value A
-  // outb(OCR1AH, 0);
-  // outb(OCR1AL, 0);
-
-  // clear output comparator registers for B
-	OCR1BH = 0; // outb(OCR1BH, 0);
-	OCR1BL = 0; // outb(OCR1BL, 0);
-}
-
-bool is_init = false;
-void timer1Init(void) {
-  // timer1SetPrescaler(TIMER1PRESCALE)
-  // set to DIV/64
-  (TCCR1B) = ((TCCR1B) & ~TIMER_PRESCALE_MASK) | TIMER1PRESCALE;
-
-  // reset TCNT1
-  TCNT1H = 0;  // outb(TCNT1H, 0);
-	TCNT1L = 0;  // outb(TCNT1L, 0);
-
-  // TOIE1: Timer Overflow Interrupt Enable (Timer 1);
-	TIMSK |= _BV(TOIE1); // sbi(TIMSK, TOIE1);
-
-  is_init = true;
-}
-
-void timer1UnInit(void) {
-  // set prescaler back to NONE
-  (TCCR1B) = ((TCCR1B) & ~TIMER_PRESCALE_MASK) | 0x00;  // TIMERRTC_CLK_STOP
-
-  // disable timer overflow interrupt
-  TIMSK &= ~_BV(TOIE1); // overflow bit?
-
-  setPWM(0);
-
-  is_init = false;
-}
-
-
-// handle TCNT1 overflow
-//! Interrupt handler for tcnt1 overflow interrupt
-ISR(TIMER1_OVF_vect, ISR_NOBLOCK)
-{
-	// sei();
-  // handle breathing here
-  #ifdef BACKLIGHT_BREATHING
-  if (is_breathing()) {
-    custom_breathing_handler();
-  }
-  #endif
-
-  // TODO call user defined function
-}
-
-// enable timer 1 PWM
-// timer1PWMBOn()
-void timer1PWMBEnable(void) {
-  // turn on channel B (OC1B) PWM output
-  // set OC1B as non-inverted PWM
-  TCCR1A |= _BV(COM1B1);
-  TCCR1A &= ~_BV(COM1B0);
-}
-
-// disable timer 1 PWM
-// timer1PWMBOff()
-void timer1PWMBDisable(void) {
-  TCCR1A &= ~_BV(COM1B1);
-  TCCR1A &= ~_BV(COM1B0);
-}
-
-void enableBacklight(void) {
-  DDRD  |= BACKLIGHT_PORT;  // set digital pin 4 as output
-  PORTD |= BACKLIGHT_PORT;  // set digital pin 4 to high
-}
-
-void disableBacklight(void) {
-  // DDRD  &= ~BACKLIGHT_PORT;  // set digital pin 4 as input
-  PORTD &= ~BACKLIGHT_PORT;  // set digital pin 4 to low
-}
-
-void startPWM(void) {
-  timer1Init();
-  timer1PWMBEnable();
-  enableBacklight();
-}
-
-void stopPWM(void) {
-  timer1UnInit();
-  disableBacklight();
-  timer1PWMBDisable();
-}
-
-void b_led_init_ports(void) {
-  /* turn backlight on/off depending on user preference */
-  #if BACKLIGHT_ON_STATE == 0
-    // DDRx register: sets the direction of Port D
-    // DDRD  &= ~BACKLIGHT_PORT;  // set digital pin 4 as input
-    PORTD &= ~BACKLIGHT_PORT;  // set digital pin 4 to low
-  #else
-    DDRD  |= BACKLIGHT_PORT;  // set digital pin 4 as output
-    PORTD |= BACKLIGHT_PORT;  // set digital pin 4 to high
-  #endif
-
-  timer1PWMSetup();
-  startPWM();
-
-  #ifdef BACKLIGHT_BREATHING
-  breathing_enable();
-  #endif
-}
-
-void b_led_set(uint8_t level) {
-  if (level > BACKLIGHT_LEVELS) {
-    level = BACKLIGHT_LEVELS;
-  }
-
-  setPWM((int)(TIMER_TOP * (float) level / BACKLIGHT_LEVELS));
-}
-
-// called every matrix scan
-void b_led_task(void) {
-  // do nothing for now
-}
-
-void setPWM(uint16_t xValue) {
-  if (xValue > TIMER_TOP) {
-    xValue = TIMER_TOP;
-  }
-  OCR1B = xValue; // timer1PWMBSet(xValue);
-}
-
-#endif  // BACKLIGHT_ENABLE