Co-Authored-By: Ryan <fauxpark@gmail.com> Co-Authored-By: James Young <18669334+noroadsleft@users.noreply.github.com> Co-Authored-By: Drashna Jaelre <drashna@live.com> Co-authored-by: Drashna Jaelre <drashna@live.com> Co-authored-by: Joel Challis <git@zvecr.com> Co-authored-by: Ryan <fauxpark@gmail.com> Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com>
		
			
				
	
	
		
			124 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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Copyright 2019 MechMerlin <mechmerlin@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program.  If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <avr/interrupt.h>
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#include <avr/io.h>
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#include <stdbool.h>
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#include <util/delay.h>
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#include "indicator_leds.h"
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#define LED_T1H  900
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#define LED_T1L  600
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#define LED_T0H  400
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#define LED_T0L  900
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void send_bit_d4(bool bitVal) {
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  if(bitVal) {
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    asm volatile (
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        "sbi %[port], %[bit] \n\t"
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        ".rept %[onCycles] \n\t"
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        "nop \n\t"
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        ".endr \n\t"
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        "cbi %[port], %[bit] \n\t"
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        ".rept %[offCycles] \n\t"
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        "nop \n\t"
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        ".endr \n\t"
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        ::
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        [port]      "I" (_SFR_IO_ADDR(PORTD)),
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        [bit]       "I" (4),
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        [onCycles]  "I" (NS_TO_CYCLES(LED_T1H) - 2),
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        [offCycles] "I" (NS_TO_CYCLES(LED_T1L) - 2));
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  } else {
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    asm volatile (
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        "sbi %[port], %[bit] \n\t"
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        ".rept %[onCycles] \n\t"
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        "nop \n\t"
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        ".endr \n\t"
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        "cbi %[port], %[bit] \n\t"
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        ".rept %[offCycles] \n\t"
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        "nop \n\t"
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        ".endr \n\t"
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        ::
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        [port]      "I" (_SFR_IO_ADDR(PORTD)),
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        [bit]       "I" (4),
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        [onCycles]  "I" (NS_TO_CYCLES(LED_T0H) - 2),
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        [offCycles] "I" (NS_TO_CYCLES(LED_T0L) - 2));
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  }
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}
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void send_bit_d6(bool bitVal)
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{
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  if(bitVal) {
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    asm volatile (
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        "sbi %[port], %[bit] \n\t"
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        ".rept %[onCycles] \n\t"
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        "nop \n\t"
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        ".endr \n\t"
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        "cbi %[port], %[bit] \n\t"
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        ".rept %[offCycles] \n\t"
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        "nop \n\t"
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        ".endr \n\t"
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        ::
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        [port]      "I" (_SFR_IO_ADDR(PORTD)),
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        [bit]       "I" (6),
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        [onCycles]  "I" (NS_TO_CYCLES(LED_T1H) - 2),
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        [offCycles] "I" (NS_TO_CYCLES(LED_T1L) - 2));
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  } else {
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    asm volatile (
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        "sbi %[port], %[bit] \n\t"
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        ".rept %[onCycles] \n\t"
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        "nop \n\t"
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        ".endr \n\t"
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        "cbi %[port], %[bit] \n\t"
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        ".rept %[offCycles] \n\t"
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        "nop \n\t"
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        ".endr \n\t"
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        ::
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        [port]      "I" (_SFR_IO_ADDR(PORTD)),
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        [bit]       "I" (6),
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        [onCycles]  "I" (NS_TO_CYCLES(LED_T0H) - 2),
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        [offCycles] "I" (NS_TO_CYCLES(LED_T0L) - 2));
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  }
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}
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void send_value(uint8_t byte, enum Device device) {
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  for(uint8_t b = 0; b < 8; b++) {
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    if(device == Device_STATUSLED) {
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      send_bit_d4(byte & 0b10000000);
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    }
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    if(device == Device_PCBRGB) {
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      send_bit_d6(byte & 0b10000000);
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    }
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    byte <<= 1;
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  }
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}
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void send_color(uint8_t r, uint8_t g, uint8_t b, enum Device device) {
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  send_value(r, device);
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  send_value(g, device);
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  send_value(b, device);
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}
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// Port from backlight_set_state
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void indicator_leds_set(bool leds[8]) {
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  cli();
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  send_color(leds[1] ? 255 : 0, leds[2] ? 255 : 0, leds[0] ? 255 : 0, Device_STATUSLED);
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  send_color(leds[4] ? 255 : 0, leds[3] ? 255 : 0, leds[5] ? 255 : 0, Device_STATUSLED);
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  leds[6] ? (PORTD &= ~0b10000000) : (PORTD |= 0b10000000);
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  sei();
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  show();
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}
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